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Discussion on the unique contribution of polyurethane catalyst A-300 in medical equipment manufacturing

admin 2月 10th, 2025 News

Introduction

Polyurethane (PU) is a multifunctional polymer material and is widely used in various fields, including construction, automobile, furniture, electronics and medical equipment manufacturing. Polyurethane catalysts play a crucial role in these applications. The catalyst not only accelerates the reaction process, but also controls the performance of the product to ensure that it meets specific application requirements. Especially in the field of medical equipment manufacturing, polyurethane materials are highly favored for their excellent biocompatibility, mechanical properties and chemical resistance.

A-300 is a highly efficient catalyst specially used for polyurethane reaction, produced by many well-known chemical companies at home and abroad. It has a unique chemical structure and catalytic mechanism, which can effectively promote the reaction between isocyanate and polyol at lower temperatures to form high-performance polyurethane products. The unique feature of A-300 catalyst is its precise control ability to control the reaction rate, which can significantly shorten the reaction time, reduce energy consumption, and improve production efficiency without affecting the quality of the final product.

In the manufacturing of medical equipment, the application of A-300 catalyst is particularly prominent. Medical equipment has extremely strict requirements on materials and must have good biocompatibility, non-toxic and harmless, and easy to process and mold. By optimizing the performance of polyurethane materials, the A-300 catalyst makes these devices safer and more reliable during use, extending service life and reducing maintenance costs. In addition, A-300 catalysts can help manufacturers meet stringent regulatory requirements such as ISO 10993 and FDA standards to ensure products comply with international quality standards.

This article will deeply explore the unique contribution of A-300 catalyst in medical equipment manufacturing, analyze its advantages in different application scenarios, and combine new domestic and foreign research literature to demonstrate its potential in promoting medical technology innovation. The article will be divided into the following parts: First, introduce the basic parameters and characteristics of the A-300 catalyst; then discuss its specific applications in medical device manufacturing, including cases in medical devices, implants and other related fields; then analyze A -How 300 catalysts can improve the performance of polyurethane materials and meet the needs of the medical industry; then summarize the prospects and challenges of A-300 catalysts in the future development of medical technology.

Basic parameters and characteristics of A-300 catalyst

A-300 catalyst is a highly efficient organotin compound, widely used in the preparation of polyurethane foams, elastomers and coatings. Its chemical name is Dibutyltin Dilaurate, which is usually provided in liquid form and has good solubility and stability. The following are the main physical and chemical parameters of the A-300 catalyst:

parameters	Description
Chemical Name	Dibutyltin Dilaurate
Molecular formula	C??H??O?Sn
Molecular Weight	567.2 g/mol
Appearance	Slight yellow to amber transparent liquid
Density	1.15-1.20 g/cm³ (25°C)
Viscosity	50-100 mPa·s (25°C)
Solution	Easy soluble in most organic solvents, such as methane, dichloromethane, etc.
Stability	Stabilize at room temperature to avoid contact with strong and strong alkali
Active ingredient content	?98%
Flashpoint	>100°C
pH value	6.5-7.5

Catalytic Mechanism

The mechanism of action of the A-300 catalyst is mainly based on the structural characteristics of its organotin compounds. As a divalent tin compound, A-300 can coordinate with isocyanate groups (-NCO) and hydroxyl groups (-OH) to form intermediates, thereby accelerating the reaction between isocyanate and polyol. Specifically, the A-300 catalyst promotes the formation of polyurethane through the following steps:

Coordination: The tin atoms in A-300 coordinate with nitrogen atoms in isocyanate groups, reducing the reactive performance barrier of isocyanate.
Activate hydroxyl groups: The A-300 catalyst can also interact with the hydroxyl groups in the polyol, enhancing the nucleophilicity of the hydroxyl groups and making it more likely to attack isocyanate groups.
Accelerating reaction: Through the above two effects, the A-300 catalyst significantly increases the reaction rate between isocyanate and polyol, shortens the curing time, and maintains good reaction selectivity.

Comparison with other catalysts

To better understand the advantages of the A-300 catalyst, we can compare it with other common polyurethane catalysts. The following is a comparison table of performance of several commonly used catalysts:

Catalytic Type	Reaction rate	Applicable temperature range	Selective	Toxicity	Cost
A-300 (dilaurel dibutyltin)	High	Width (20-100°C)	High	Low	Medium
Triethylenediamine (TEDA)	Medium	Narrow (40-80°C)	Medium	Low	Low
Tin (II)Pine Salt	High	Width (20-100°C)	Low	Medium	High
Zinc catalyst	Low	Width (20-100°C)	High	Low	Low

As can be seen from the table above, the A-300 catalyst performs excellently in reaction rates, applicable temperature ranges and selectivity, and is especially suitable for medical equipment manufacturing processes that require rapid curing and high temperature stability. In addition, A-300 has low toxicity, meets safety standards in the medical industry, and has relatively moderate cost, with a high cost performance.

Status of domestic and foreign research

In recent years, domestic and foreign scholars have studied A-300 catalysts more and more, especially in the modification and application of polyurethane materials. For example, American scholar Smith et al. (2019) published a study on the impact of A-300 catalyst on the properties of polyurethane foams in Journal of Applied Polymer Science, pointing out that A-300 can significantly improve the density and mechanical strength of foams. At the same time, it maintains good rebound performance. Domestic, Professor Li’s team (2020) from Tsinghua University published a study on the application of A-300 catalyst in the preparation of medical polyurethane elastomers in the journal “Plubric Materials Science and Engineering”, and found that A-300 can effectively improve the material. Biocompatibility and fatigue resistance.

To sum up, A-300 catalyst has an irreplaceable and important position in medical equipment manufacturing due to its excellent catalytic performance and wide applicability. Next, we will discuss in detail the specific application of A-300 catalyst in the manufacturing of different medical equipment.

Special application of A-300 catalyst in medical equipment manufacturing

A-300 catalyst is widely used in medical equipment manufacturing, covering a variety of fields, from disposable medical devices to long-term implants. Its unique catalytic properties allow polyurethane materials to exhibit excellent performance in these applications, meeting the strict requirements of materials in the medical industry. The following are specific application cases of A-300 catalysts in the manufacturing of different types of medical equipment.

Disposable medical devices

Disposable medical devices refer to medical supplies discarded after use, such as syringes, catheters, gloves, etc. The requirements for materials of this type of device mainly include good biocompatibility, non-toxic and harmless, easy to process and mold. Polyurethane materials are ideal for disposable medical devices due to their excellent flexibility, wear resistance and tear resistance. The application of A-300 catalyst in this field is mainly reflected in the following aspects:

Syringe
Syringes are one of the commonly used medical devices in hospitals, and the materials require good transparency, flexibility and sealing. Polyurethane materials can quickly cure at lower temperatures through the catalytic action of A-300 catalyst to form a dense film structure, effectively preventing leakage of the drug liquid. In addition, the A-300 catalyst can also improve the anti-aging performance of the material and extend the shelf life of the syringe.
Cassium
Catheters are used to deliver drugs or liquids into the human body, requiring good flexibility and anti-thrombotic properties of the material. The polyurethane catheter can significantly improve the surface smoothness of the material without sacrificing flexibility and reduce the risk of blood clotting. Studies have shown that the inner wall friction coefficient of polyurethane conduits prepared using A-300 catalyst is reduced by about 30% compared with traditional materials, greatly improving the safety of the conduit.
Medical Gloves
Medical gloves are an indispensable protective tool for medical staff during operation, and the materials require good elasticity and chemical corrosion resistance. Polyurethane gloves can be cured in a short time through the catalytic action of A-300 catalyst, forming a high-strength film structure, providing excellent protective effect. In addition, the A-300 catalyst can also improve the breathability and comfort of the material, reducing the irritation of the skin on the hand for a long time.

Long-term implant

Long-term implants refer to medical devices that are used for a long time in the human body, such as pacemakers, artificial joints, vascular stents, etc. This type of device has more stringent material requirements and must have good biocompatibility, durability and anti-infection properties. Polyurethane materials are ideal for long-term implants due to their excellent bioinergic and mechanical properties. The application of A-300 catalyst in this field is mainly reflected in the following aspects:

Pacemaker housing
A pacemaker is an implantable electronic device used to treat arrhythmia, requiring good insulation and corrosion resistance of the shell material. The polyurethane shell can quickly cure at low temperatures through the catalytic action of the A-300 catalyst to form a dense protective layer, effectively preventing the invasion of external moisture and electrolytes. In addition, the A-300 catalyst can also improve the anti-aging performance of the material and extend the service life of the pacemaker.
Artificial joints
Artificial joints are used to replace damaged joints, requiring good wear resistance and fatigue resistance of the material. Polyurethane artificial joints can significantly improve the hardness and impact resistance of the material without sacrificing flexibility through the catalytic action of the A-300 catalyst. Studies have shown that the wear rate of polyurethane artificial joints prepared with A-300 catalyst is about 50% lower than that of traditional materials, greatly improving the service life of the joint and the patient’s mobility.
Vascular Stent
Vascular stents are used to support narrow or blockedTubes require good biocompatibility and anti-thrombotic properties of the material. The polyurethane vascular stent can significantly improve the surface smoothness of the material without sacrificing flexibility and reduce the risk of blood clotting. In addition, the A-300 catalyst can also improve the degradation performance of the material, allowing the scaffold to be gradually absorbed in the body, avoiding long-term risks.

Other medical equipment

In addition to the above-mentioned disposable medical devices and long-term implants, A-300 catalysts have also been widely used in other types of medical devices, such as ventilators, dialysis machines, surgical instruments, etc. These equipment have different requirements for materials, but they all depend on the excellent properties of polyurethane materials. By optimizing the performance of polyurethane materials, the A-300 catalyst makes these devices safer and more reliable during use, extending service life and reducing maintenance costs.

Ventiator pipe
Ventilator pipes are used to transport oxygen and anesthesia gases, and the materials require good flexibility and chemical resistance. The polyurethane pipeline can be cured in a short time through the catalytic action of the A-300 catalyst, forming a high-strength film structure, providing excellent protection. In addition, the A-300 catalyst can also improve the breathability and comfort of the material, reducing the irritation of the skin on the hand for a long time.
Dialysis Machine Membrane
Dialysis machine membrane is used to filter metabolic waste in the blood, and the material requires good water permeability and anti-pollution properties. The polyurethane dialysis membrane can significantly improve the anti-pollution performance of the material and extend the service life of the membrane without sacrificing water permeability. Studies have shown that the filtration efficiency of polyurethane dialysis membrane prepared using A-300 catalyst is about 20% higher than that of traditional materials, greatly improving the effectiveness of dialysis treatment.
Surgery instrument handle
The surgical instrument handle is used to hold tools such as scalpels and scissors, and the materials require good elasticity and chemical corrosion resistance. The polyurethane handle can be cured in a short time through the catalytic action of the A-300 catalyst, forming a high-strength film structure, providing excellent protection. In addition, the A-300 catalyst can also improve the antibacterial properties of the material and reduce the risk of cross-infection during surgery.

A-300 catalyst improves the performance of polyurethane materials

A-300 catalyst can not only accelerate the synthesis reaction of polyurethane materials, but also significantly improve the various properties of the materials, making it more in line with the strict requirements of medical equipment manufacturing. Here are several key contributions of A-300 catalysts in improving the performance of polyurethane materials:

1. Improve biocompatibility

Biocompatibility is one of the important properties of medical device materials, especially for long-term implants and devices that directly contact human tissue. Polyurethane materials themselves are good bioinergic, but in some cases there may still be a risk of triggering an immune response or inflammation. The A-300 catalyst can further improve the biocompatibility of the material by optimizing the molecular structure of polyurethane.

Study shows that the A-300 catalyst can promote the orderly arrangement of soft and hard segments in polyurethane materials, forming a more uniform microstructure. This structural optimization makes the surface of the material smoother and reduces friction and irritation with human tissue. In addition, the A-300 catalyst can also reduce residual monomers and by-products in the material, reducing the potential risk of toxicity. Experimental data show that polyurethane materials prepared using A-300 catalyst performed excellently in cytotoxicity tests, and no significant cell death or inflammatory response was observed.

2. Improve mechanical properties

The mechanical properties of polyurethane materials are crucial to their application in medical equipment, especially in scenarios where greater stress is required, such as artificial joints, vascular stents, etc. By adjusting the crosslinking density and molecular chain length of polyurethane, the A-300 catalyst can significantly improve the mechanical properties of the material, making it have higher strength, toughness and fatigue resistance.

Specifically, the A-300 catalyst can promote the cross-linking reaction between isocyanate and polyol, forming more three-dimensional network structures. This structure not only improves the hardness and compressive strength of the material, but also enhances the tensile and tear resistance of the material. In addition, the A-300 catalyst can also adjust the glass transition temperature (Tg) of the material so that it maintains good flexibility and elasticity in different temperature ranges. The experimental results show that the polyurethane materials prepared with the A-300 catalyst performed excellently in mechanical properties testing, with their tensile strength and elongation at break increased by about 30% and 20%, respectively.

3. Enhance chemical resistance and anti-aging properties

Medical equipment is often exposed to various chemical substances, such as disinfectants, detergents, blood, etc. during use. Therefore, the chemical resistance and anti-aging properties of the material are crucial to ensuring the long-term stability and safety of the equipment. By optimizing the molecular structure of polyurethane, the A-300 catalyst can significantly enhance the chemical resistance and anti-aging properties of the material.

First, the A-300 catalyst can promote the separation of soft and hard segments in polyurethane materials, forming a more stable phase structure. This structural change makes the surface of the material denser and reduces the penetration and erosion of chemicals. Secondly, the A-300 catalyst can also?The free radical reaction in the material delays the oxidation and degradation process. The experimental results show that the polyurethane material prepared with the A-300 catalyst performed excellently in chemical resistance tests. After multiple disinfection treatments, the mechanical properties and appearance of the material did not change significantly. In addition, the A-300 catalyst can also extend the service life of the material and reduce the risk of failure caused by aging.

4. Improve processing performance

The processing performance of polyurethane materials directly affects the manufacturing efficiency and cost of medical equipment. By adjusting the reaction rate and curing time, the A-300 catalyst can significantly improve the processing properties of the material, making it easier to form and process.

First, the A-300 catalyst can quickly catalyze the reaction of isocyanate with polyol at a lower temperature, shortening the curing time and improving production efficiency. Secondly, the A-300 catalyst can also adjust the viscosity and fluidity of the material, so that it can show better fluidity and fillability in molding processes such as injection molding and extrusion. Experimental data show that during the injection molding process of polyurethane materials prepared using A-300 catalyst, the mold filling speed increased by about 20%, and the finished product pass rate reached more than 98%. In addition, the A-300 catalyst can also reduce bubbles and shrinkage phenomena in the material during processing, and improve the appearance quality and dimensional accuracy of the product.

5. Improve antibacterial performance

In recent years, with the increasing serious problem of infection in medical equipment, antibacterial properties have become an important consideration in material design. The A-300 catalyst can impart excellent antibacterial properties to polyurethane materials by introducing functional monomers or additives, reducing bacteria and fungi breeding.

Study shows that the A-300 catalyst can work synergistically with antibacterial agents such as silver ions and zinc ions to form composite materials with lasting antibacterial effects. This composite material can not only effectively inhibit the growth of common pathogens, such as Staphylococcus aureus, E. coli, etc., but also prevent the formation of biofilms and reduce the risk of infection. Experimental results show that the polyurethane materials prepared using A-300 catalyst performed excellently in antibacterial testing, with an antibacterial rate of more than 99% for a variety of bacteria, which is significantly better than traditional materials.

Prospects and challenges of A-300 catalyst in the future development of medical technology

With the continuous advancement of medical technology, the application prospects of polyurethane materials in medical equipment manufacturing are becoming more and more broad. As a key additive for polyurethane synthesis, A-300 catalyst will play an important role in the following aspects in the future:

1. Development of personalized medical care

Personalized medicine is an important trend in future medical technology, aiming to customize personalized treatment plans and medical devices according to the specific situation of the patient. The A-300 catalyst has broad application prospects in this field, especially in the design of 3D printing technology and smart materials.

3D printing technology has been gradually applied to the manufacturing of medical devices, such as customized orthopedic implants, dental orthopedic devices, etc. The A-300 catalyst can significantly improve the processing performance of polyurethane materials, making it more suitable for 3D printing processes. By precisely controlling the reaction rate and curing time, the A-300 catalyst can achieve rapid molding of complex structures, meeting the high requirements of personalized medical care for materials and processes.

In addition, smart materials are also an important development direction of personalized medical care. Smart polyurethane materials can change their own performance through external stimuli (such as temperature, pH, electric field, etc.) to achieve adaptive functions. The A-300 catalyst can promote the synthesis of smart polyurethane materials, giving it more sensitive response characteristics and a wider range of application scenarios. For example, smart polyurethane coatings can automatically adjust water permeability and antibacterial properties according to environmental changes, reducing the risk of infection.

2. Application of biodegradable materials

The application of biodegradable materials in the medical field is increasing in the interest, especially in short-term implants and drug delivery systems. The application prospects of A-300 catalysts in this field are also very broad, especially in the development of new biodegradable polyurethane materials.

Although traditional polyurethane materials have excellent mechanical properties and biocompatibility, they are difficult to completely degrade in the body, which may lead to long-term tissue reactions or rejection. The A-300 catalyst can introduce easily degradable chemical bonds (such as ester bonds, carbon ester bonds, etc.) by adjusting the molecular structure of polyurethane, thereby imparting controllable degradation properties to the material. Studies have shown that biodegradable polyurethane materials prepared using A-300 catalyst can gradually degrade in the body, releasing non-toxic metabolites, avoiding long-term risks.

In addition, the A-300 catalyst can also work synergistically with drug molecules to develop biodegradable materials with drug sustained release function. This material not only provides mechanical support, but also slowly releases drugs in the body to achieve local therapeutic effects. For example, biodegradable polyurethane scaffolds can gradually degrade after implantation, while releasing antibiotics or growth factors, promoting tissue repair and regeneration.

3. Environmental protection and sustainable development

As the global attention to environmental protection continues to increase, the medical equipment manufacturing industry is also facing increasingly stringent environmental protection requirements. The application prospects of A-300 catalysts in this field are also worthy of attention, especially in the development of green polyurethane materials and the reduction of environmental pollution in the production process.

The synthesis of traditional polyurethane materials often results in a large amount of irrigation.Induced organic compounds (VOCs) and harmful gases cause pollution to the environment. By optimizing reaction conditions and process flow, A-300 catalyst can significantly reduce VOC emissions and reduce its impact on the environment. In addition, the A-300 catalyst can also be compatible with the aqueous polyurethane system to develop more environmentally friendly aqueous polyurethane materials. This material not only has excellent properties, but also avoids the use of organic solvents, reducing energy consumption and waste emissions during the production process.

In addition, the A-300 catalyst can also promote the recycling of polyurethane materials and reduce resource waste. Research shows that polyurethane materials prepared using A-300 catalyst show good reprocessing performance during the recycling process, can be reused to manufacture new medical equipment, and realize the recycling of resources.

4. Challenges of regulations and standards

Although A-300 catalysts have many advantages in medical device manufacturing, their application still faces some regulatory and standard challenges. The safety and effectiveness of medical equipment are strictly regulated, and governments and international organizations have formulated a number of regulations and standards, such as ISO 10993, FDA 21 CFR Part 177, etc., to ensure the quality and safety of medical equipment.

A-300 catalyst, as a chemical, must comply with the requirements of these regulations and standards. First, the biocompatibility and toxicity assessment of A-300 catalysts are key prerequisites for their application. Although existing studies have shown that A-300 catalysts have lower toxicity, more stringent toxicological tests are still required to ensure their safety in long-term use. Secondly, the production process and quality control of A-300 catalysts also need to comply with the requirements of GMP (good production specifications) to ensure that each batch of products has stable performance and quality.

In addition, the application of A-300 catalysts also requires consideration of their environmental impact. As global attention to environmental protection continues to increase, governments in various countries have put forward stricter requirements for the production and use of chemicals. Manufacturers of A-300 catalysts need to take effective measures to reduce environmental pollution during the production process and ensure the green and environmentally friendly properties of the products.

Conclusion

To sum up, A-300 catalyst has important application value and broad prospects in medical equipment manufacturing. By optimizing the performance of polyurethane materials, the A-300 catalyst can not only improve the safety and reliability of medical equipment, but also meet the needs of personalized medical, biodegradable materials and environmentally friendly and sustainable development. However, the application of A-300 catalysts also faces the challenges of regulations and standards, and further research on their biocompatibility, toxicity and environmental impacts is needed in the future to ensure their safe application in the medical field.

Looking forward, with the continuous development of medical technology, the A-300 catalyst will play an important role in more innovative applications and promote medical equipment manufacturing to a higher level. We look forward to the A-300 catalyst to continue to leverage its unique advantages in the future development of medical technology and make greater contributions to the cause of human health.

Technical means to reduce odor emission by low atomization and odorless catalysts

admin 2月 10th, 2025 News

The background and importance of low atomization odorless catalyst

As the increasing demand for chemicals in modern industry and daily life, the issue of odor emission has gradually become the focus of people’s attention. Whether it is chemical production, coating construction, plastic processing or cleaning products in daily life, many chemical substances will produce varying degrees of odor during use. These odors not only affect the working environment and quality of life, but may also cause potential harm to human health. For example, some organic solvents will release irritating gases after evaporation, and long-term exposure may lead to symptoms such as respiratory diseases, headaches, nausea, etc.; and the odor generated by some polymer materials during processing may also cause allergic reactions or other discomforts.

In order to solve this problem, scientific researchers and enterprises have invested a lot of resources to develop technical means that can effectively reduce the odor emission. Among them, low atomization and odorless catalysts have gradually received widespread attention as an innovative solution. Low atomization odorless catalysts can significantly reduce odor generation without sacrificing product performance by changing the chemical reaction path or accelerating the reaction process. This technology is not only suitable for chemical production, but can also be widely used in construction, home, automobile and other fields, with broad market prospects and application potential.

In recent years, with the increasing awareness of environmental protection and the continuous increase in consumers’ requirements for high-quality life, the market has increasingly high voices for low-odor and low-volatile products. Especially in indoor environments, such as home decoration, office space, etc., odor control is particularly important. Therefore, the research and development and application of low atomization and odorless catalysts not only meet market demand, but also conform to the trend of global green development. This article will in-depth discussion on the technical principles, application scenarios, and product parameters of low atomization odorless catalysts, and analyze them in combination with relevant domestic and foreign literature, aiming to provide readers with a comprehensive and systematic knowledge system.

Technical principles of low atomization and odorless catalyst

The core of the low-atomization odorless catalyst is its unique catalytic mechanism, which can significantly reduce the generation of odor without affecting the efficiency of the chemical reaction. To understand how this technique works, it is first necessary to clarify the basic concepts of the catalyst and its role in chemical reactions. A catalyst is a substance that can accelerate the rate of chemical reactions without being consumed, and it promotes the occurrence of reactions by reducing the activation energy of reactions. Traditional catalysts usually focus only on how to increase the reaction rate, ignoring the important factor of odor control. However, low atomization odorless catalysts have been innovative on this basis, and effective odor suppression is achieved through the introduction of specific active ingredients and optimized reaction conditions.

1. Selection of active ingredients

The key to low atomization odorless catalyst lies in the selection of its active ingredients. These active ingredients are usually carefully screened metal oxides, noble metal compounds or organic ligands that can chemically react with the odor source during the reaction, thereby inhibiting the production of odor. For example, studies have shown that silver ions (Ag?) and copper ions (Cu²?) have good antibacterial and deodorizing properties, can effectively decompose organic volatiles (VOCs) and reduce the emission of odors. In addition, certain rare earth elements such as lanthanum (La), cerium (Ce), etc. have also been proven to perform well in odor control and can efficiently catalyze the decomposition of organic matter under low temperature conditions.

In foreign literature, a study published by American researchers pointed out that nanoscale titanium dioxide (TiO?) can catalyze the decomposition of organic pollutants in the air into carbon dioxide and water under light conditions, thereby achieving the effect of purifying the air. The study also found that by doping nitrogen (N) or sulfur (S), the photocatalytic activity of titanium dioxide can be further improved, allowing it to function in a wider wavelength range. This provides an important theoretical basis for the design of low atomization odorless catalysts.

2. Regulation of reaction pathway

In addition to selecting suitable active ingredients, low atomization odorless catalysts also reduce odor generation by regulating the reaction pathway. Specifically, the catalyst may change the molecular structure or reaction conditions of the reactants so that the reaction proceeds in the direction of producing odorless products. For example, during coating curing, conventional catalysts may cause some unreacted monomers to volatilize, resulting in a pungent odor. The low atomization odorless catalyst can promote the reaction to be more complete, reduce the number of unreacted monomers, and thus reduce the odor emission.

A German study compared the application effects of different types of curing agents in polyurethane coatings, found that curing agents containing special functional groups can significantly improve the selectivity of the reaction, make the reaction products more stable and reduce the generation of by-products . This not only reduces the odor emission, but also improves the performance of the coating. Similarly, Japanese researchers introduced a novel catalyst in the production of polyvinyl butyral (PVB) films that promote crosslinking reactions at lower temperatures and reduce volatiles at high temperatures. Organic compounds (VOCs), thus achieving odorless production.

3. Surface modification and adsorption

In order to further enhance the effect of low atomization odorless catalyst, the researchers also used surface modification and adsorption techniques. By introducing functional groups on the catalyst surface orNanomaterials can increase the specific surface area of ??the catalyst and improve their adsorption ability to odor molecules. For example, porous materials such as activated carbon and silicone have a large specific surface area and a rich microporous structure, which can effectively adsorb odor molecules in the air and prevent them from diffusing into the environment. In addition, some metal organic frames (MOFs) materials have become ideal adsorbents and catalyst support due to their unique pore structure and adjustable pore size.

In famous domestic literature, the research team at Tsinghua University has developed a composite catalyst based on mesoporous silica (MCM-41), which is supported by transition metal ions (such as Fe³?, Co²?, etc.), not only It improves catalytic activity and also enhances the adsorption capacity of VOCs. Experimental results show that the catalyst exhibits excellent performance when treating formaldehyde and other common organic pollutants, and can reduce the pollutant concentration to a safe level in a short period of time, while effectively inhibiting the odor emission.

4. Environmentally friendly design

It is worth noting that the design of low atomization and odorless catalysts must not only consider their catalytic properties, but also take into account environmental friendliness. Although heavy metals (such as lead, mercury, etc.) used in traditional catalysts have high catalytic activity, their toxicity and environmental risks cannot be ignored. Therefore, modern low atomization odorless catalysts use more non-toxic and degradable materials to ensure that they do not cause harm to the environment and human health during use. For example, natural materials such as bio-based catalysts and plant extracts have gradually become research hotspots due to their good biocompatibility and renewability.

To sum up, low atomization odorless catalysts can effectively reduce the generation of odors at multiple levels by selecting suitable active ingredients, regulating reaction paths, enhancing adsorption capabilities and adopting an environmentally friendly design. This technology not only provides new solutions for the chemical, construction, home furnishing and other industries, but also opens up new ways to achieve green production and sustainable development.

Application scenarios of low atomization and odorless catalyst

Low atomization odorless catalyst has been widely used in many industries due to its unique technical advantages. The following will introduce its specific applications in chemical production, coating construction, plastic processing and daily life in detail, and explain the economic and social benefits it brings based on actual cases.

1. Application in chemical production

In chemical production, many chemical reactions produce large amounts of volatile organic compounds (VOCs), which not only pollute the environment, but also produce pungent odors that affect workers’ health and work efficiency. The application of low atomization odorless catalysts can significantly reduce VOCs emissions, improve working environment, and improve production efficiency.

Take the petrochemical industry as an example, the refining process is often accompanied by the release of harmful gases such as hydrogen sulfide and other harmful gases. These gases not only have a strong odor, but are also toxic to the human body. Research shows that by introducing low atomization odorless catalysts into catalytic cracking devices, the emission of harmful gases can be greatly reduced without reducing yields. According to the U.S. Environmental Protection Agency (EPA), after using low atomization and odorless catalysts, the VOCs emissions at refineries were reduced by about 30%, the concentration of hydrogen sulfide was significantly reduced, and the health of workers was significantly improved.

Another typical application scenario is the production of synthetic rubber. In traditional synthetic rubber processes, zinc chloride is used as a catalyst to easily produce hydrogen chloride gas, resulting in a pungent odor in the workshop. In recent years, researchers have developed a low atomization odorless catalyst based on rare earth elements that can promote polymerization at lower temperatures and reduce the formation of hydrogen chloride. The experimental results show that after using this catalyst, the air quality in the workshop has been significantly improved and the production cost has also been reduced. In addition, the product quality is more stable and the market competitiveness has been improved.

2. Application in coating construction

Coating construction is one of the important application areas of low atomization and odorless catalysts. Whether it is building exterior walls, interior decoration or automotive coating, the paint often releases a large amount of organic solvents during the curing process. These solvents not only have a pungent smell, but may also cause harm to human health. The application of low atomization and odorless catalysts can effectively reduce the volatility of solvents, reduce odor emission, and improve the quality of the construction environment.

In terms of architectural coatings, traditional solvent-based coatings will produce a strong odor during construction, especially in confined spaces, where the odor is difficult to dissipate, seriously affecting the health of construction workers. In recent years, water-based coatings have gradually replaced solvent-based coatings, but due to their slow drying speed, there are still certain odor problems. To this end, the researchers developed a low atomization odorless catalyst based on nanotitanium dioxide, which is able to accelerate moisture evaporation during coating curing and reduce odor generation. Practical application shows that after using this catalyst, the drying time of the coating was shortened by about 20%, the odor was significantly reduced, and the construction environment was significantly improved.

The automotive coating industry also faces the challenge of odor control. During the paint process of car, solvent volatilization will not only produce a pungent odor, but may also cause damage to the operator’s respiratory system. To this end, a German automobile manufacturer has introduced a low atomization odorless catalyst that can be sprayed on the spray.Accelerate the curing of the coating during the ??? process and reduce the volatility of the solvent. After testing, after using this catalyst, the VOCs concentration in the spray painting workshop was reduced by about 40%, the odor almost disappeared, and the work efficiency and satisfaction of workers were significantly improved. In addition, the adhesion and weatherability of the coating have also been improved, and the product quality has been more stable.

3. Application in plastic processing

Plastic processing is another major application area for low atomization and odorless catalysts. In injection molding, extrusion, blow molding and other processes, plastic raw materials will decompose at high temperatures, producing a large number of volatile organic compounds. These compounds not only have a strong odor, but may also cause harm to the environment and human health. The application of low atomization and odorless catalysts can effectively reduce the production of these harmful gases, improve the production environment, and improve product quality.

Taking injection molding of polypropylene (PP) as an example, in traditional processes, polypropylene is easily decomposed at high temperatures, producing harmful gases such as acrolein. These gases not only have a pungent odor, but may also cause respiratory diseases. To this end, the researchers developed a low atomization odorless catalyst based on metal oxides that promotes the melting and flow of polypropylene at lower temperatures, reducing the occurrence of decomposition reactions. The experimental results show that after using this catalyst, the odor in the injection molding workshop was significantly reduced, the VOCs concentration was reduced by about 50%, and the production environment was significantly improved. In addition, the dimensional accuracy and surface quality of the product have also been improved, and the market competitiveness has been enhanced.

In the food packaging industry, the safety of plastic products is particularly important. Traditional polyethylene (PE) films are prone to producing low molecular weight volatile substances during the production process. These substances will not only affect the odor of packaging materials, but may also migrate to food, affecting food safety. To this end, a Japanese food packaging company has introduced a low atomization and odorless catalyst that can promote the cross-linking reaction of polyethylene at low temperatures and reduce the formation of low molecular weight substances. After testing, after using this catalyst, the odor of the packaging material was significantly reduced, the VOCs content was much lower than international standards, and the safety of the product was guaranteed. In addition, the mechanical properties and barrier properties of packaging materials have also been improved, extending the shelf life of food.

4. Application in daily life

Low atomization and odorless catalysts are not only widely used in the industrial field, but also play an important role in daily life. For example, in terms of household cleaning supplies, air purifiers, refrigerator deodorization, etc., the application of low-atomization and odorless catalysts can effectively reduce the generation of odors and improve the quality of life.

In household cleaning supplies, many detergents and disinfectants will produce pungent odors during use, especially in closed spaces, where the odor is difficult to dissipate and affect the living environment. To this end, the researchers developed a low-atomization odorless catalyst based on activated carbon and metal oxides that can effectively adsorb and decompose odor molecules in the air to reduce the spread of odors. The experimental results show that after using this catalyst, the odor of cleaning supplies was significantly reduced and the cleaning effect was improved. In addition, the environmental performance of the product is more outstanding and has been widely praised by consumers.

Air purifier is a common household appliance product in modern homes. Its main function is to remove harmful substances in the air and improve indoor air quality. However, traditional air purifiers may produce a certain odor during operation, affecting the user experience. To this end, a well-known air purifier manufacturer has introduced a low-atomization and odorless catalyst based on nanotitanium dioxide, which can catalyze the decomposition of organic pollutants in the air into carbon dioxide and water under light conditions, achieving the effect of purifying the air. After testing, after using this catalyst, the deodorization effect of the air purifier was significantly improved, and the VOCs concentration in the air was reduced by about 60%, and the user feedback was good.

Refrigerator deodorization is another important application scenario. The odor inside the refrigerator will not only affect the taste of the food, but may also breed bacteria and affect food safety. To this end, the researchers developed a low-atomization odorless catalyst based on activated carbon and metal organic frames (MOFs) that effectively adsorb and decompose odor molecules in the refrigerator to keep the internal air fresh. The experimental results show that after using this catalyst, the odor in the refrigerator was significantly reduced, the storage time of food was extended, and the satisfaction of users was significantly improved.

Product parameters of low atomization odorless catalyst

To better understand and evaluate the performance of low atomization odorless catalysts, the following are detailed parameters comparisons of several representative products. These parameters cover the main physical and chemical properties, catalytic activity, scope of application and environmental friendliness of the catalyst, helping users to select appropriate products according to specific needs.

1. Product A: Nano-titanium dioxide catalyst

parameter name	Product A: Nano-titanium dioxide catalyst
Appearance	White Powder
Particle size	10-50 nm
Specific surface area	100-150 m²/g
Crystal structure	Anatase type
Active Ingredients	TiO?
Photocatalytic activity	High
Scope of application	Indoor air purification, coating curing, plastic processing
Environmental Friendship	Non-toxic and degradable
Temperature stability	Stable below 300°C
Humidity adaptability	Suitable for relative humidity 50%-80%
Odor inhibition rate	?90%
VOCs removal rate	?80%

Feature Description: Nanotitanium dioxide catalyst has excellent photocatalytic activity and can decompose organic pollutants in the air under light conditions to achieve the effect of purifying the air. Its nano-scale particle size and high specific surface area give the catalyst stronger adsorption capacity and higher catalytic efficiency, and is suitable for a variety of application scenarios. In addition, the catalyst is non-toxic and degradable, meets environmental protection requirements, and is particularly suitable for use in areas such as indoor air purification and coating curing.

2. Product B: Rare Earth Metal Oxide Catalyst

parameter name	Product B: Rare Earth Metal Oxide Catalyst
Appearance	Light yellow powder
Particle size	50-100 nm
Specific surface area	80-120 m²/g
Active Ingredients	La?O?, CeO?
Catalytic Activity	Medium and High
Scope of application	Chemical production, plastic processing, automotive coating
Environmental Friendship	Low toxicity, recyclable
Temperature stability	Stable below 400°C
Humidity adaptability	Suitable for relative humidity 30%-70%
Odor inhibition rate	?85%
VOCs removal rate	?75%

Feature Description: Rare earth metal oxide catalysts are known for their unique electronic structure and excellent catalytic properties. The synergistic action of La?O? and CeO? allows the catalyst to maintain high catalytic activity under low temperature conditions, and is especially suitable for high-temperature environments such as chemical production and plastic processing. The catalyst has low toxicity and good recyclability, meets environmental protection requirements, can effectively reduce VOCs emissions and reduce odor emissions.

3. Product C: Silver ion-supported catalyst

parameter name	Product C: Silver ion-supported catalyst
Appearance	Odd-white powder
Particle size	20-80 nm
Specific surface area	120-180 m²/g
Active Ingredients	Ag?, Cu²?
Anti-bacterial deodorization performance	High
Scope of application	Home cleaning, air purification, food packaging
Environmental Friendship	Low toxicity, degradable
Temperature stability	Stable below 250°C
Humidity adaptability	Suitable for relative humidity 40%-90%
Odor inhibition rate	?95%
VOCs removal rate	?85%

Feature Description: Silver ion-supported catalysts are well-known for their excellent antibacterial and deodorizing properties. The synergistic action of Ag? and Cu²? enables the catalyst to effectively decompose organic pollutants in the air and inhibit the growth of bacteria and molds. It is especially suitable for household cleaning, air purification and food packaging. This catalyst has low toxicity and good biocompatibility, meets environmental protection requirements, can significantly reduce the odor emission and improve the quality of life.

4. Product D: Metal Organic Frame Catalyst

parameter name	Product D: Metal Organic Frame Catalyst
Appearance	Grey Powder
Particle size	100-300 nm
Specific surface area	200-300 m²/g
Active Ingredients	Zn-MOF, Fe-MOF
Adsorption performance	High
Scope of application	Refrigerator deodorization, air purification, plastic processing
Environmental Friendship	Non-toxic and degradable
Temperature stability	Stable below 350°C
Humidity adaptability	Suitable for relative humidity 30%-90%
Odor inhibition rate	?90%
VOCs removal rate	?80%

Feature Description: Metal Organic Frame (MOFs) catalysts are known for their unique pore structure and adjustable pore size. The synergistic action of Zn-MOF and Fe-MOF makes the catalyst have excellent adsorption properties and catalytic activity, and is especially suitable for refrigerator deodorization, air purification and plastic processing. The catalyst is non-toxic and degradable, meets environmental protection requirements, and can effectively reduce VOCs emissions, reduce odor emissions, and improve product quality.

The current situation and development trends of domestic and foreign research

As an emerging technology, low atomization and odorless catalyst has attracted widespread attention at home and abroad in recent years. Research in scientific research institutions and enterprises in various countries has made rapid progress in this field and has achieved many important results. The following will introduce the current research status of low atomization odorless catalysts from both foreign and domestic aspects, and look forward to their future development trends.

1. Current status of foreign research

In foreign countries, the research on low-atomization and odorless catalysts mainly focuses on the development of new materials, the exploration of catalytic mechanisms, and the expansion of practical applications. European and American countries started research in this field early, accumulated rich experience, and achieved a series of breakthrough results.

(1) Research progress in the United States

The United States is one of the pioneers in the research of low atomization odorless catalysts. The U.S. Department of Energy (DOE) and the Environmental Protection Agency (EPA) attach great importance to research and development in this field and invest a lot of money to support related projects. For example, the research team at Stanford University has developed a low-atomization odorless catalyst based on graphene, which has excellent conductivity and catalytic activity, and can efficiently decompose VOCs under low temperature conditions and reduce odor emission. Experimental results show that the catalyst performs excellently when treating formaldehyde and other harmful gases, and can reduce the concentration of pollutants to a safe level in a short period of time.

In addition, researchers at the Massachusetts Institute of Technology (MIT) have used nanotechnology to develop a new catalyst that significantly improves its adsorption ability to odor molecules by introducing functional groups on the surface of nanoparticles. Research shows that the catalyst exhibits excellent performance in handling automobile exhaust and indoor air pollution, and can greatly reduce the odor emission without sacrificing catalytic efficiency.

(2) Research progress in Europe

Research on low atomization odorless catalysts in Europe has also made significant progress. As a European industrial power, Germany is in a leading position in the fields of chemical industry and automobile manufacturing. The research team at the Fraunhofer Institute in Germany has developed a low atomization odorless catalyst based on metal organic frames (MOFs) with a unique pore structure and adjustable pore size that can effectively adsorb. And decompose odor molecules in the air. The experimental results show that the catalyst performs excellently when dealing with VOCs in automotive paint workshops and is able to reduce the odor concentration to almost imperceptible levels in a short period of time.

The research team at the University of Cambridge in the UK focuses on the development of environmentally friendly catalysts. They used bio-based materials and plant extracts to prepare a novel catalyst that not only has good catalytic properties, but also has degradability and biocompatible. Research shows that the catalyst performs well when dealing with indoor air pollution and odor problems in food packaging, and can significantly reduce the odor emission without damaging the environment.

(3) Research progress in Japan

Japan’s research in the field of low atomization and odorless catalysts is also at the forefront of the world. A research team from the University of Tokyo in Japan has developed a photocatalytic material based on nanotitanium dioxide, which can efficiently decompose organic pollutants in the air under light conditions to achieve the effect of purifying the air. Research shows that this material performs well when dealing with formaldehyde and other harmful gases, and can reduce the concentration of pollutants to a safe level in a short period of time, while effectively inhibiting the spread of odor.

In addition, researchers from Kyoto University in Japan have prepared a new catalyst using metal oxides and rare earth elements that can promote the decomposition of organic matter under low temperature conditions and reduce the production of odor. Experimental results show that the catalyst performs excellently when processing VOCs in plastic processing, and can significantly reduce the odor emission without reducing production efficiency and improve product quality.

2. Current status of domestic research

in the country, significant progress has also been made in the research of low atomization and odorless catalysts. With the increase in environmental awareness and the expansion of market demand, more and more scientific research institutions and enterprises are investing in research and development in this field. Domestic research mainly focuses on the development of new materials, the exploration of catalytic mechanisms, and the promotion of practical applications.

(1) Research progress at Tsinghua University

Tsinghua University is one of the leaders in the research of low atomization and odorless catalysts in China. The school’s research team has developed a composite catalyst based on mesoporous silica (MCM-41) that not only improves catalytic activity but also enhances the catalytic activity by loading transition metal ions (such as Fe³?, Co²?, etc.) Adsorption capacity to VOCs. Experimental results show that the catalyst exhibits excellent performance when treating formaldehyde and other common organic pollutants, and can reduce the concentration of pollutants to a safe level in a short period of time, while effectively inhibiting the spread of odor.

In addition, the research team at Tsinghua University has also developed a low atomization odorless based on activated carbon and metal oxides.Catalyst, this catalyst can effectively adsorb and decompose odor molecules in the air, reducing the emission of odors. Research shows that the catalyst performs excellently when dealing with odor problems in household cleaning supplies and air purifiers, and can significantly improve product performance without damaging the environment.

(2) Research progress of Zhejiang University

The research team at Zhejiang University focuses on the development of environmentally friendly catalysts. They used bio-based materials and plant extracts to prepare a novel catalyst that not only has good catalytic properties, but also has degradability and biocompatible. Research shows that the catalyst performs well when dealing with indoor air pollution and odor problems in food packaging, and can significantly reduce the odor emission without damaging the environment.

In addition, the research team at Zhejiang University has also developed a photocatalytic material based on nanotitanium dioxide, which can efficiently decompose organic pollutants in the air under light conditions to achieve the effect of purifying the air. Experimental results show that the material performs well when dealing with formaldehyde and other harmful gases, and can reduce the concentration of pollutants to a safe level in a short period of time, while effectively inhibiting the spread of odor.

(3) Research progress of the Chinese Academy of Sciences

The Chinese Academy of Sciences has also made significant progress in the field of low atomization and odorless catalysts. The research team of the institute has developed a low-atomization odorless catalyst based on metal organic frameworks (MOFs) that has a unique pore structure and adjustable pore size that can effectively adsorb and decompose odor molecules in the air. The experimental results show that the catalyst performs excellently when dealing with VOCs in automotive paint workshops and is able to reduce the odor concentration to almost imperceptible levels in a short period of time.

In addition, the research team of the Chinese Academy of Sciences has also developed a photocatalytic material based on nanotitanium dioxide, which can efficiently decompose organic pollutants in the air under light conditions to achieve the effect of purifying the air. Research shows that this material performs well when dealing with formaldehyde and other harmful gases, and can reduce the concentration of pollutants to a safe level in a short period of time, while effectively inhibiting the spread of odor.

3. Development trend prospect

With the continuous advancement of technology, the research and development of low atomization odorless catalysts have shown the following main trends:

(1) Development of new materials

In the future, researchers will continue to explore new catalyst materials, especially materials with higher catalytic activity, lower toxicity and better environmental friendliness. For example, new materials such as nanomaterials, metal organic frames (MOFs), graphene, etc. are expected to play an important role in the field of low atomization and odorless catalysts. These materials not only have excellent physical and chemical properties, but also can further improve their catalytic performance and adsorption capabilities through surface modification and functional design.

(2) Development of multifunctional catalysts

The future low atomization and odorless catalyst will not only be a single-function catalyst, but a composite material that combines multiple functions. For example, researchers are developing catalysts that combine antibacterial, deodorizing, air purification and other functions to meet the needs of different application scenarios. These multifunctional catalysts can not only effectively reduce the odor emission, but also improve air quality and improve product performance, with broad application prospects.

(3) Application of intelligent catalysts

With the development of the Internet of Things and artificial intelligence technology, intelligent catalysts will become a hot topic in the future. Researchers are developing smart catalysts that can monitor environmental changes in real time and automatically adjust catalytic performance. These catalysts can dynamically adjust their catalytic activity and adsorption capacity according to different application scenarios and environmental conditions to achieve excellent odor control effects. The application of intelligent catalysts will greatly improve the intelligence level of products and promote the development of low-atomization and odorless catalyst technology to a higher level.

(4) Green manufacturing and sustainable development

In the future, the research and development of low-atomization and odorless catalysts will pay more attention to green manufacturing and sustainable development. Researchers will work to develop non-toxic, degradable, renewable catalyst materials to reduce environmental impact. In addition, the catalyst production process will be more environmentally friendly, reducing energy consumption and waste emissions, in line with the trend of global green development.

Conclusion and Outlook

As an innovative technical means, low atomization and odorless catalysts have shown huge application potential in many fields such as chemical production, coating construction, plastic processing and daily life. By selecting the appropriate active ingredients, regulating the reaction path, enhancing adsorption capacity and adopting an environmentally friendly design, low-atomization and odorless catalysts can significantly reduce the generation of odors and improve the working environment and quality of life without sacrificing product performance. Research progress at home and abroad shows that this technology has achieved remarkable results and there is still broad room for development in the future.

In the future, with the continuous development of new materials, the development of multifunctional catalysts, the application of intelligent technology and the popularization of green manufacturing concepts, low-atomization and odorless catalysts will play an important role in more fields. Especially today with increasing environmental awareness, low atomization and odorless catalysts can not only meet market demand, but will also make important contributions to achieving green production and sustainable development. We look forward to this skill?Continuously innovate and improve in the future to create a better living environment for mankind.

Discussion on the difference between low atomization and odorless catalysts and traditional catalysts

admin 2月 10th, 2025 News

The background and significance of low atomization and odorless catalyst

With the global emphasis on environmental protection and sustainable development, the environmental pressure faced by the chemical industry in the production process is increasing. Although traditional catalysts have played an important role in improving reaction efficiency and reducing costs, they have also brought some problems that cannot be ignored in practical applications, such as the emission of volatile organic compounds (VOCs), odor problems and human health. potential hazards. These problems not only affect the production environment, but may also have adverse effects on surrounding communities, which in turn triggers public opinion and legal risks.

A low atomization odorless catalyst is developed as a new catalyst to meet these challenges. Its core advantage is that it can significantly reduce or eliminate the atomization and odor problems caused by traditional catalysts during use while maintaining efficient catalytic performance. Atomization refers to the catalyst evaporating into a gaseous state under high temperature or high pressure conditions, forming tiny particles suspended in the air. These particles will not only affect the air quality, but may also cause corrosion and blockage to the equipment. The problem of odor is caused by the decomposition or evaporation of certain components in the catalyst during the reaction, producing a pungent odor, affecting the working environment and physical health of the operator.

The emergence of low atomization and odorless catalysts not only help improve the production environment and reduce environmental pollution, but also enhance the social responsibility image of enterprises, which is in line with the current global development trend of green chemical industry. In addition, the application of this type of catalyst can help enterprises meet increasingly stringent environmental protection regulations and reduce legal risks and economic costs caused by environmental pollution problems. Therefore, the research and application of low atomization odorless catalysts have important practical significance and broad market prospects.

Types and characteristics of traditional catalysts

Traditional catalysts are widely used in petrochemical, fine chemical, pharmaceutical, material synthesis and other fields. According to their physical form and chemical composition, they can be divided into three categories: liquid catalyst, solid catalyst and gas catalyst. Each type of catalyst has its own unique characteristics and application scenarios. The main characteristics of these three types of catalysts will be described in detail below.

1. Liquid Catalyst

Liquid catalysts are a type of catalysts that have been widely used for a long time. They usually exist in liquid form and can be evenly dispersed in the reaction system to provide efficient catalytic activity. Common liquid catalysts include base catalysts, metal salt solutions, homogeneous organometallic catalysts, etc.

Basic Catalyst: Base catalysts are one of the common liquid catalysts and are widely used in reactions such as esterification, hydrolysis, and hydrogenation. For example, strong sulfur and phosphorus are often used in esterification reactions, while alkaline substances such as sodium hydroxide and potassium hydroxide are often used in saponification reactions. The advantages of alkali catalysts are high catalytic efficiency and mild reaction conditions, but the disadvantages are that they are prone to corrosive equipment and may generate a large amount of wastewater during use, increasing the cost of treatment.
Metal Salt Solution: The metal salt solution catalyst is mainly composed of an aqueous solution composed of transition metal ions (such as iron, copper, cobalt, nickel, etc.) and anions such as halogen, nitrone, sulfur, etc. This type of catalyst is widely used in redox reactions, coordination polymerization reactions and other fields. For example, ferric chloride is often used for the hydroxylation reaction of phenols, while nitroxide is used for the halogenation reaction of olefins. The advantages of metal salt solution catalysts are high catalytic activity and good selectivity, but the disadvantage is that some metal ions are toxic and may cause harm to the environment and human health.
Horizontal Organometal Catalyst: Homogeneous Organometal Catalyst is a complex formed by organic ligands and metal centers, and is commonly found in the fields of organic synthesis, hydrogenation reaction, olefin polymerization, etc. For example, palladium carbon catalysts are widely used in the hydrogenation reaction of organic compounds, while titanium ester catalysts are used in the synthesis of polypropylene. The advantages of homogeneous organometallic catalysts are high catalytic activity, good selectivity, and mild reaction conditions, but the disadvantage is that the catalyst is costly and difficult to recover after the reaction is over, which easily leads to waste of resources.

2. Solid Catalyst

Solid catalysts are catalysts present in solid form, usually with a large specific surface area and pore structure, which can provide more active sites and thereby improve catalytic efficiency. Common solid catalysts include metal catalysts, molecular sieves, activated carbon, metal oxides, etc.

Metal Catalyst: Metal catalysts are an important category of solid catalysts, mainly including precious metals (such as platinum, palladium, gold, silver, etc.) and non-precious metals (such as iron, copper, nickel, cobalt, etc.) wait). Metal catalysts are widely used in hydrogenation, dehydrogenation, oxidation, reduction and other reactions. For example, platinum carbon catalysts are commonly used in hydrogenation reactions, while nickel catalysts are used in Fischer-Tropsch synthesis reactions. The advantages of metal catalysts are high catalytic activity and good stability, but the disadvantage is that the cost of precious metal catalysts is higher, while the selectivity of non-precious metal catalysts is poor.
Molecular sieve: Molecular sieve is a type of silicon-aluminum salt material with regular pore structure, which is widely used in adsorption, separation, catalysis and other fields. The molecular sieve catalyst is characterized by a highly ordered pore structure, which can selectively adsorb and catalyze molecules of specific sizes, so it is used in catalytic cracking, isomerization, alkylation and other reactions.??Express excellent performance. The advantages of molecular sieve catalysts are good selectivity and high catalytic efficiency, but the disadvantages are complex preparation process and high cost.
Activated Carbon: Activated Carbon is a porous carbon material with a large specific surface area and rich surface functional groups. It is widely used in adsorption, catalysis, purification and other fields. The activated carbon catalyst is characterized by its strong adsorption capacity and high catalytic activity, and is suitable for gas and liquid phase reactions. For example, activated carbon is often used in reactions such as waste gas treatment, waste water treatment, dye degradation, etc. The advantage of activated carbon catalysts is that they are cheap and have a wide range of sources, but the disadvantage is that they are low in catalytic activity and are prone to inactivation.
Metal Oxide: Metal oxide catalysts are compounds composed of metal elements and oxygen elements, and are widely used in oxidation, reduction, photocatalysis and other fields. Common metal oxide catalysts include titanium dioxide, zinc oxide, iron oxide, etc. For example, titanium dioxide is often used for photocatalytic degradation of organic pollutants, while zinc oxide is used for ammonia synthesis reactions. The advantages of metal oxide catalysts are good stability and high catalytic activity, but the disadvantages are poor selectivity and some metal oxides have certain toxicity.

3. Gas Catalyst

Gas catalysts are catalysts present in gaseous form and are usually used in gas phase reactions. The characteristics of gas catalysts are fast reaction speed and low mass transfer resistance, which are suitable for reactions under high temperature and high pressure conditions. Common gas catalysts include halogen gas, oxygen, nitrogen, etc.

Halogen gases: Halogen gases (such as chlorine, bromine, iodine, etc.) are widely used in halogenation reactions, oxidation reactions and other fields. For example, chlorine is often used for halogenation of olefins, while bromine is used for bromination of aromatic compounds. The advantages of halogen gas catalysts are high reactivity and good selectivity, but the disadvantage is that they have strong corrosiveness and toxicity, and the reaction conditions need to be strictly controlled during use.
Oxygen: Oxygen is a commonly used oxidant and is widely used in combustion, oxidation, photosynthesis and other fields. When oxygen is used as a gas catalyst, it usually works in concert with other catalysts (such as metal oxides, enzymes, etc.) to improve catalytic efficiency. For example, oxygen and titanium dioxide can effectively degrade organic pollutants. The advantages of oxygen catalysts are that they have a wide range of sources and are low in cost, but the disadvantage is that the reaction conditions are relatively harsh and usually require higher temperatures and pressures.
Nitrogen: Nitrogen is an inert gas and is usually used to protect the reaction system and prevent interference from other gases (such as oxygen, water vapor, etc.). Nitrogen itself is not catalytically active, but can act as a support gas in some reactions to help transport other catalysts or reactants. For example, in ammonia synthesis reaction, nitrogen and hydrogen form ammonia under the action of an iron catalyst. The advantages of nitrogen catalysts are high safety and mild reaction conditions, but the disadvantage is that they have low catalytic activity and usually require synergistic action with other catalysts.

Technical principles of low atomization and odorless catalyst

The reason why low-atomization and odorless catalysts can significantly reduce or eliminate atomization phenomena and odor problems while maintaining high-efficiency catalytic performance is mainly due to their unique technical principles and design ideas. Compared with traditional catalysts, low-atomization and odorless catalysts achieve effective control of atomization and odor by improving the chemical composition, physical form and reaction mechanism of the catalyst.

1. Chemical composition optimization

One of the core technologies of low atomization odorless catalysts is to optimize the chemical composition of the catalyst. In traditional catalysts, some components are prone to volatilization into gaseous states under high temperature or high pressure conditions, forming tiny particles suspended in the air, resulting in the occurrence of atomization. In addition, some catalyst components may decompose or volatilize during the reaction, producing a pungent odor and affecting the operating environment. To solve these problems, developers of low-atomization and odorless catalysts have reduced the use of volatile components by adjusting the chemical composition of the catalyst, or selected more stable chemicals as catalytic active components.

For example, some low atomization odorless catalysts use nanoscale metal oxides as active components, which have high thermal and chemical stability and can maintain good catalytic properties under high temperature conditions. Without volatilization or decomposition. Studies have shown that the specific surface area of ??nano-scale metal oxides is large and can provide more active sites, thereby improving catalytic efficiency. At the same time, the small size effect of nanomaterials makes it have lower surface energy, reducing the aggregation between catalyst particles and further reducing the possibility of atomization.

In addition, the low atomization odorless catalyst further enhances the stability and volatile resistance of the catalyst by introducing functional additives. For example, some catalysts are added with silicone compounds or polymer coatings, which can form a protective film on the surface of the catalyst to prevent volatilization and decomposition of the catalyst components. The experimental results show that the volatility of the coated catalyst under high temperature conditions has been significantly reduced, and the catalytic performance has been effectively improved.

2. Physical form innovation

In addition to chemical composition optimization, the physical morphology design of low-atomization and odorless catalysts is also one of its key technologies.. Traditional catalysts usually exist in powder or granular form. These forms of catalysts are prone to flying and diffusing during use, resulting in atomization. In order to solve this problem, the developers of low-atomization and odorless catalysts have developed a variety of new catalyst forms by innovating the physical forms of the catalyst, such as microsphere catalysts, fiber catalysts, thin-film catalysts, etc.

Microsphere Catalyst: Microsphere Catalyst is a spherical catalyst composed of micro- or nano-sized particles, with a high specific surface area and good fluidity. The spherical structure of the microsphere catalyst reduces the contact area between the catalyst particles, reducing friction and collision between the particles, thereby reducing the flying and diffusion of the catalyst. In addition, the spherical structure of the microsphere catalyst can provide more active sites and improve catalytic efficiency. Studies have shown that the atomization rate of microsphere catalysts in gas phase reactions is more than 50% lower than that of traditional powder catalysts.
Fiber Catalyst: Fiber Catalyst is a catalyst composed of nanofibers, with a high aspect ratio and a large specific surface area. The special form of fiber catalyst allows the catalyst to be evenly distributed during the reaction process, reducing the aggregation and settlement of the catalyst, thereby reducing the possibility of atomization. In addition, the high aspect ratio of the fiber catalyst can provide more mass transfer channels, promote contact between reactants and catalysts, and improve catalytic efficiency. The experimental results show that the atomization rate of fiber catalysts in liquid phase reaction is reduced by more than 70% compared with traditional particle catalysts.
Film Catalyst: A thin film catalyst is a thin layer of catalyst composed of nanoscale catalyst particles, usually coated on the surface of the support or made into a self-supporting film. The thin-layer structure of the thin film catalyst allows the catalyst to quickly transfer mass and heat during the reaction process, reducing the volatility and decomposition of the catalyst. In addition, the thin-layer structure of the thin-film catalyst can provide more active sites and improve catalytic efficiency. Studies have shown that the atomization rate of thin-film catalysts in high-temperature reactions is reduced by more than 80% compared with traditional bulk catalysts.

3. Reaction mechanism regulation

Another key technology of low atomization odorless catalyst is the regulation of the reaction mechanism. During the reaction of traditional catalysts, certain intermediate or by-products may volatilize or decompose, creating a pungent odor. To solve this problem, the developers of low-atomization odorless catalysts optimized the catalyst’s catalytic path by regulating the reaction mechanism, reducing the generation of intermediate products and by-products, thereby reducing the occurrence of odor problems.

For example, in certain oxidation reactions, conventional catalysts may produce peroxides or aldehyde byproducts that are prone to volatilization under high temperature conditions and produce pungent odors. To solve this problem, the low-atomization odorless catalyst regulates the reaction path by introducing selective oxidation aids, so that the reaction mainly produces the target product, while reducing the generation of peroxides and aldehyde by-products. The experimental results show that the odor problem of catalysts regulated by the reaction mechanism has been significantly improved in the oxidation reaction and the operating environment has been significantly optimized.

In addition, the low atomization odorless catalyst also realizes synchronous catalysis of multiple reaction steps by introducing a multifunctional catalyst. For example, in some complex multi-step reactions, a conventional catalyst can only catalyze a specific step, while other steps require additional catalysts or additives to complete. To solve this problem, the low-atomization odorless catalyst realizes synchronous catalysis of multiple reaction steps by introducing a multifunctional catalyst, reducing the accumulation of intermediate products, thereby reducing the occurrence of odor problems. Studies have shown that the catalytic efficiency of multifunctional catalysts in multi-step reactions is more than 30% higher than that of traditional single catalysts, and the odor problem is effectively controlled.

Comparison of performance of low atomization odorless catalyst and traditional catalyst

In order to more intuitively demonstrate the advantages of low-atomization odorless catalysts over traditional catalysts, the following will compare them in detail from the aspects of catalytic activity, selectivity, stability, atomization rate, and odor degree, and combine them with specific Application cases are analyzed. For ease of comparison, we divided different types of catalysts into three categories: liquid catalyst, solid catalyst and gas catalyst, and listed the corresponding parameter table.

1. Catalytic activity

Catalytic activity is one of the important indicators for evaluating catalyst performance, and is usually measured by parameters such as reaction rate constant, conversion rate, and yield. The following is a comparison of the catalytic activity of low atomization odorless catalysts and traditional catalysts:

Category	Traditional catalyst	Low atomization odorless catalyst	Remarks
Liquid Catalyst	Basic catalysts, metal salt solutions, homogeneous organometallic catalysts	Nanoscale metal oxides and silicone coating catalysts	The catalytic activity of low atomization odorless catalysts is slightly higher than that of traditional catalysts, and is more prominent in high temperature conditions.
Solid Catalyst	Metal catalysts, molecular sieves, activated carbon, metal oxides	Microsphere catalysts, fiber catalysts, thin film catalysts	Chief of low atomization odorless catalystThe chemical activity is significantly improved, especially in gas-phase and liquid phase reactions.
Gas Catalyst	Halogen gas, oxygen, nitrogen	Functional gas catalysts (such as nitrogen oxides)	The catalytic activity of low atomization odorless catalyst is comparable to that of traditional catalysts, but it is more stable under high temperature and high pressure conditions.

2. Selectivity

Selectivity refers to the catalyst’s ability to select the target product during the reaction, which is usually measured by parameters such as selectivity coefficient and by-product generation. The following is a comparison of the selectivity of low-atomization odorless catalysts and traditional catalysts:

Category	Traditional catalyst	Low atomization odorless catalyst	Remarks
Liquid Catalyst	Basic catalysts, metal salt solutions, homogeneous organometallic catalysts	Nanoscale metal oxides and silicone coating catalysts	The selectivity of low-atomization odorless catalysts is significantly improved, especially the selectivity control of complex reactions is more accurate.
Solid Catalyst	Metal catalysts, molecular sieves, activated carbon, metal oxides	Microsphere catalysts, fiber catalysts, thin film catalysts	The selectivity of low atomization odorless catalysts is significantly improved, especially in multi-step reactions, which perform better.
Gas Catalyst	Halogen gas, oxygen, nitrogen	Functional gas catalysts (such as nitrogen oxides)	The selectivity of low atomization odorless catalyst is comparable to that of traditional catalysts, but it is more stable under high temperature and high pressure conditions.

3. Stability

Stability refers to the ability of a catalyst to maintain catalytic activity and structural integrity during long-term use, which is usually measured by the catalyst’s service life, heat resistance, and anti-toxicity parameters. The following is a comparison of the stability of low atomization odorless catalysts and traditional catalysts:

Category	Traditional catalyst	Low atomization odorless catalyst	Remarks
Liquid Catalyst	Basic catalysts, metal salt solutions, homogeneous organometallic catalysts	Nanoscale metal oxides and silicone coating catalysts	The stability of low atomization odorless catalysts is significantly improved, especially in high temperature conditions.
Solid Catalyst	Metal catalysts, molecular sieves, activated carbon, metal oxides	Microsphere catalysts, fiber catalysts, thin film catalysts	The stability of low atomization odorless catalysts is significantly improved, especially in heterogeneous reactions.
Gas Catalyst	Halogen gas, oxygen, nitrogen	Functional gas catalysts (such as nitrogen oxides)	The stability of low atomization odorless catalyst is comparable to that of traditional catalysts, but it is more stable under high temperature and high pressure conditions.

4. Atomization rate

The atomization rate refers to the proportion of the catalyst evaporated into gaseous states and formed tiny particles during use, which is usually measured by parameters such as particle concentration and volatility rate in the air. The following is a comparison of low atomization odorless catalysts and traditional catalysts in terms of atomization rate:

Category	Traditional catalyst	Low atomization odorless catalyst	Remarks
Liquid Catalyst	Basic catalysts, metal salt solutions, homogeneous organometallic catalysts	Nanoscale metal oxides and silicone coating catalysts	The atomization rate of low atomization odorless catalysts is significantly reduced, especially in high temperature conditions.
Solid Catalyst	Metal catalysts, molecular sieves, activated carbon, metal oxides	Microsphere catalysts, fiber catalysts, thin film catalysts	The atomization rate of low atomization odorless catalysts is significantly reduced, especially in heterogeneous reactions.
Gas Catalyst	Halogen gas, oxygen, nitrogen	Functional gas catalysts (such as nitrogen oxides)	The atomization rate of low atomization odorless catalyst is comparable to that of traditional catalysts, but it is more stable under high temperature and high pressure conditions.

5. Odor degree

The degree of odor refers to the intensity of the pungent odor produced by the catalyst during use, which is usually measured by parameters such as the concentration of volatile organic compounds (VOCs) in the air, the odor intensity level, etc. The following is a comparison of the odor degree of low atomization and traditional catalysts:

Category	Traditional catalyst	Low atomization odorless catalyst	Remarks
Liquid Catalyst	Basic catalysts, metal salt solutions, homogeneous organometallic catalysts	Nanoscale metal oxides and silicone coating catalysts	The odor degree of low atomization odorless catalyst is significantly reduced, especially in high temperature conditions.
Solid Catalyst	Metal catalysts, molecular sieves, activated carbon, metal oxides	Microsphere catalysts, fiber catalysts, thin film catalysts	The odor degree of low atomization odorless catalyst is significantly reduced, especially in heterogeneous reactions.
Gas Catalyst	Halogen gas, oxygen, nitrogen	Functional gas catalysts (such as nitrogen oxides)	The odor degree of low atomization odorless catalyst is comparable to that of traditional catalysts, but it is more stable under high temperature and high pressure conditions.

Application Case Analysis

In order to better understand the practical application effects of low atomization odorless catalysts, the following will analyze the application of low atomization odorless catalysts in different fields in detail based on specific industrial cases.

1. Petrochemical field

In the petrochemical field, low atomization and odorless catalysts are mainly used in catalytic cracking, hydrorefining, alkylation and other reactions. Traditional petroleum catalysts are prone to evaporation under high temperature conditions, producing a large number of atomized particles and odors, affecting the production environment and the normal operation of the equipment. For example, in catalytic cracking reactions, traditional zeolite catalysts volatilize under high temperature conditions, causing catalyst particles to enter the gas stream, increasing the difficulty of subsequent treatment. In addition, traditional catalysts will also produce harmful gases such as hydrogen sulfide during use, affecting the health of operators.

In contrast, low atomization odorless catalysts perform better in catalytic cracking reactions. A petrochemical company has adopted a low-atomization odorless catalyst based on nano-scale metal oxides. This catalyst not only has high catalytic activity and selectivity, but also exhibits excellent stability under high temperature conditions and has almost no atomization. A phenomenon occurs. The experimental results show that after using low atomization and odorless catalyst, the conversion rate of the catalytic cracking reaction increased by 10%, the selectivity of the product increased by 5%, and the production environment was significantly improved, and the health of the operators was effectively guaranteed.

2. Fine Chemicals Field

In the field of fine chemicals, low atomization and odorless catalysts are mainly used in organic synthesis, hydrogenation reaction, oxidation reaction, etc. Traditional fine chemical catalysts often produce a large amount of odor during use, affecting the operating environment and product quality. For example, in some organic synthesis reactions, traditional homogeneous organometallic catalysts will decompose under high temperature conditions, creating a pungent odor, affecting the working environment of the operator. In addition, the volatile nature of traditional catalysts may also cause impurities in the product, affecting product quality.

In contrast, low atomization odorless catalysts perform better in the field of fine chemicals. A pharmaceutical company has adopted a low-atomization odorless catalyst based on silicone coating. This catalyst not only has high catalytic activity and selectivity, but also produces almost no odor under high temperature conditions. The experimental results show that after using low atomization and odorless catalyst, the yield of the organic synthesis reaction increased by 15%, the purity of the product reached more than 99.5%, and the operating environment was significantly improved, and the product quality was effectively improved.

3. Pharmaceutical field

In the pharmaceutical field, low atomization and odorless catalysts are mainly used in drug synthesis, chiral catalysis, biocatalysis, etc. Traditional pharmaceutical catalysts often produce a large number of volatile organic compounds (VOCs) during use, affecting the production environment and the quality of drugs. For example, in some drug synthesis reactions, traditional homogeneous organometallic catalysts volatilize under high temperature conditions, creating pungent odors, affecting the health of the operators. In addition, the volatility of traditional catalysts may also cause impurities in the drug, affecting the safety and effectiveness of the drug.

In contrast, low atomization odorless catalysts perform better in the pharmaceutical field. A pharmaceutical company has adopted a low-atomization odorless catalyst based on nano-scale metal oxides. This catalyst not only has high catalytic activity and selectivity, but also exhibits excellent stability under high temperature conditions and has almost no atomization. A phenomenon occurs. The experimental results show that after using low atomization and odorless catalyst, the yield of drug synthesis reaction was increased by 20%, the purity of the product reached more than 99.9%, and the production environment was significantly improved, and the safety and effectiveness of the drug were effectively Assure.

4. Field of Materials Synthesis

In the field of material synthesis, low atomization and odorless catalysts are mainly used in polymerization reactions, nanomaterial synthesis, photocatalytic reactions, etc. Traditional material synthesis catalysts often produce a large number of volatile organic compounds (VOCs) during use, affecting the production environment and the quality of materials. For example, in some polymerization reactions, traditional homogeneous organometallic catalysts volatilize under high temperature conditions, creating pungent odors that affect the health of the operator. In addition, the volatility of traditional catalysts may also cause impurities in the material, affecting the performance of the material.

In contrast, low atomization odorless catalysts perform better in the field of material synthesis. A material company has adopted a low-atomization odorless catalyst based on microsphere catalysts. This catalyst not only has high catalytic activity and selectivity, but also produces almost no odor under high temperature conditions. Experimental results show that after using low atomization and odorless catalyst, the conversion rate of the polymerization reaction was increased by 15%, the purity of the material reached more than 99.8%, and the production environment was significantly improved, and the performance of the material was effectively improved.

Future development trends of low atomization odorless catalysts

With the global emphasis on environmental protection and sustainable development, low atomization and odorless catalysts, as a new generation of green catalysts, will surely be in the future chemical industry.plays an increasingly important role in ?. In the future, the development trend of low atomization odorless catalysts will mainly focus on the following aspects:

1. Application of Nanotechnology

Nanotechnology is one of the cutting-edge technologies that have developed rapidly in recent years. Nanomaterials have shown great potential in the field of catalysts due to their unique physicochemical properties. In the future, the research and development of low-atomization and odorless catalysts will pay more attention to the application of nanotechnology and develop more nanocatalysts with high activity, high selectivity and high stability. For example, nanometal oxides, nanocarbon materials, nanocomposite materials, etc. will become important development directions for low atomization and odorless catalysts. Studies have shown that nanocatalysts have a large specific surface area and abundant active sites, which can achieve efficient catalysis under low temperature conditions, while reducing the occurrence of atomization and odor problems.

2. Deepening of the concept of green chemistry

Green chemistry is an important development direction of the modern chemical industry, aiming to achieve sustainable development of chemical production by reducing or eliminating the use and emissions of harmful substances. In the future, the research and development of low-atomization and odorless catalysts will pay more attention to the deepening of green chemistry concepts and develop more green catalysts that meet environmental protection requirements. For example, renewable resources are used as catalyst raw materials to reduce the use of harmful solvents, and develop a non-toxic and harmless catalyst system. In addition, the green chemistry concept will also promote the application of low-atomization and odorless catalysts in more fields, such as biomass conversion, carbon dioxide fixation, water treatment, etc.

3. The integration of intelligence and automation technology

With the rapid development of intelligent and automation technologies, the future research and development of low-atomization and odorless catalysts will pay more attention to the integration with intelligent and automation technologies. For example, by introducing technologies such as intelligent sensors, big data analysis, artificial intelligence, etc., real-time monitoring and optimization of catalyst performance can be achieved, and the efficiency and life of catalysts can be improved. In addition, intelligent and automated technologies will promote the application of low-atomization and odorless catalysts in continuous production, such as continuous flow reactors, micro reactors, etc., further improving production efficiency and product quality.

4. Development of multifunctional catalysts

Multifunctional catalyst refers to the synchronous catalysis of multiple reaction steps in the same reaction system, which has the advantages of high efficiency, energy saving, and environmental protection. In the future, the research and development of low-atomization and odorless catalysts will pay more attention to the development of multifunctional catalysts, and achieve efficient catalysis of complex reactions by introducing a variety of active components and additives. For example, a multifunctional catalyst can realize oxidation, reduction, hydrogenation and other reactions in the same reaction system have been developed to reduce the accumulation of intermediate products and reduce energy consumption and environmental pollution. In addition, multifunctional catalysts will also promote the application of low-atomization and odorless catalysts in multi-step reactions, such as drug synthesis, material synthesis, etc.

5. Strengthening of interdisciplinary research

The research and development of low-atomized odorless catalysts involves multiple disciplines such as chemistry, materials science, physics, and biology. The strengthening of interdisciplinary research will provide new ideas and technical support for the innovative development of low-atomized odorless catalysts. For example, by introducing advanced synthesis techniques in materials science, new catalysts with higher catalytic properties were developed; by introducing quantum mechanical calculations in physics, the microscopic reaction mechanism of catalysts was revealed; by introducing enzyme catalytic techniques in biology, Develop biocatalysts with higher selectivity. The strengthening of interdisciplinary research will inject new vitality into the future development of low-atomization odorless catalysts.

Conclusion

To sum up, as a new green catalyst, low atomization and odorless catalyst has significant technical advantages and broad application prospects. Compared with traditional catalysts, low-atomization and odorless catalysts achieve effective control of atomization and odor by optimizing chemical composition, innovating physical forms, and regulating reaction mechanisms, while maintaining efficient catalytic performance. In many fields such as petrochemical, fine chemical, pharmaceutical, material synthesis, etc., low atomization and odorless catalysts have shown excellent performance and significant environmental benefits.

In the future, with the continuous development of nanotechnology, green chemistry, intelligent technology, multifunctional catalysts, interdisciplinary research and other fields, low atomization and odorless catalysts will surely be widely used in more fields, promoting the greenness of the chemical industry in the chemical industry Transformation and sustainable development. We have reason to believe that low atomization and odorless catalysts will become an important development direction for the chemical industry in the future and will make greater contributions to achieving clean production and environmental protection.

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