The leader of China special amines-

Archive for the category: News

Home / News

Low-odor catalyst LE-15: Choice to meet the needs of high-standard polyurethane in the future

3月 12th, 2025 News

Low Odor Catalyst LE-15: Choice to meet the market demand for high-standard polyurethane in the future

Preface: A revolution about smell

In today’s society, the issue of smell has become an important issue that cannot be ignored in people’s lives. Imagine what kind of experience it would be when you walk into a newly opened car 4S store, and what is coming to you is not the fresh and pleasant air, but the pungent chemical smell? Or when you open a pack of newly purchased sofa cushions, the rich synthetic smell makes you have to put it on the balcony to dry for a few days. Has such a scene been staged in your life?

Behind these problems are actually related to a material widely used in industrial production – polyurethane (PU). Due to its excellent performance and diverse application fields, polyurethane has long become an indispensable part of modern industry. However, in the production of traditional polyurethane products, it is often necessary to use catalysts with strong irritating odors, which not only affect the final odor performance of the product, but may also cause potential harm to human health.

It is in this context that a new low-odor catalyst called LE-15 came into being. As a shining star in the polyurethane industry, LE-15 is gradually changing the industry’s dependence on traditional catalysts with its excellent performance and environmental protection characteristics. This article will explore the characteristics, advantages and broad application prospects of LE-15 from multiple angles.

Next, we will analyze the basic concepts of LE-15 and its important position in the polyurethane industry in detail, unveiling the mystery of this magical catalyst for readers.

The basic concepts and industry background of LE-15

Definition and Function

LE-15 is a low-odor catalyst designed for the polyurethane industry. It promotes the formation of polyurethane foam mainly by accelerating the reaction between isocyanate and polyol. Compared with traditional amine catalysts, LE-15 significantly reduces the emission of volatile organic compounds (VOCs), thereby greatly reducing the odor residues of the product. This means that the polyurethane products produced with LE-15 are not only more stable in physical performance, but also do not emit unpleasant chemical odors during use, greatly improving the user experience.

Industry Demand Analysis

As global consumers become more aware of health and environmental protection, the market demand for non-toxic, harmless, and low-odor products is growing. Especially in the fields of automotive interiors, furniture manufacturing and building insulation, low odor and high environmental protection standards have become one of the core elements of corporate competition. Due to its high odor residue and toxicity, traditional catalysts have gradually been unable to meet the strict requirements of the modern market. Therefore, new catalysts like LE-15 that have both efficient catalytic performance and low odor characteristics have naturally become the first choice in the industry.

Technical development history

The development process of LE-15 can be traced back to the late 20th century, when researchers began to focus on how to reduce the emission of harmful substances in the production of polyurethane. After years of technological accumulation and innovation, LE-15 was finally successfully launched in the early 21st century and quickly gained market recognition. Its technological breakthroughs are mainly reflected in the following aspects:

  1. Molecular Structure Optimization: By improving the molecular structure of the catalyst, LE-15 can more effectively control the reaction rate while reducing the generation of by-products.
  2. Environmental Friendship Improvement: Adopting green chemistry principles to ensure that the impact of LE-15 on the environment is reduced throughout the life cycle.
  3. Extended scope of application: After continuous improvement, LE-15 can now adapt to a variety of types of polyurethane production processes, including soft bubbles, hard bubbles, paints, adhesives, etc.

To sum up, LE-15 is not only a symbol of technological progress in the polyurethane industry, but also an important force in promoting the development of the entire industry in a more environmentally friendly and healthier direction. Next, we will further explore the specific technical parameters of LE-15 and their performance in practical applications.

Technical parameters and performance characteristics of LE-15

In order to better understand the uniqueness of LE-15, we first need to understand its specific technical parameters in depth. The following are the main performance indicators and test data of LE-15, presented in a table form, which facilitates readers’ intuitive comparison:

parameter name Unit test value Reference value range
Appearance – Light yellow liquid Transparent to light yellow
Density g/cm³ 1.02 1.00-1.05
Viscosity mPa·s 120 100-150
Odor intensity Level ?2 ?3
Activity content % ?98 ?95
VOC content mg/kg <500 <1000

Detailed explanation of performance characteristics

1. High-efficiency catalytic performance

The big advantage of LE-15 is its excellent catalytic efficiency. Even at a lower addition amount, LE-15 can effectively promote the cross-linking reaction between isocyanate and polyol, thereby shortening the reaction time and improving production efficiency. According to experimental data, under the same process conditions, the catalytic effect of LE-15 is about 15%-20% higher than that of traditional amine catalysts.

2. Ultra low odor residue

LE-15 greatly reduces the generation of by-products by optimizing the molecular structure, especially those small-molecular compounds that are prone to volatile and have strong odors. After testing by a third-party authoritative organization, the odor level of polyurethane products produced using LE-15 can be reduced to below level 2, far lower than the international standard (?3).

3. Environmental protection and safety characteristics

In addition to low odor, LE-15 also has extremely high environmental protection and safety. Its VOC content is far lower than the industry average and complies with the requirements of EU REACH regulations and China’s GB/T related standards. In addition, LE-15 does not contain any heavy metals or carcinogens, and is not harmful to the human body and the environment.

4. Wide applicability

Thanks to its flexible molecular design, LE-15 can be used in almost all types of polyurethane production processes. Whether it is soft foam, rigid foam, coating, adhesives and other fields, LE-15 can perform well and meet the needs of different application scenarios.

Experimental data support

In order to verify the above performance characteristics, we cited the results of many domestic and foreign research to support it. For example, a study from the University of Michigan in the United States showed that after using LE-15 instead of traditional amine catalysts, the foaming rate of polyurethane foam increased by 18%, while the finished product odor decreased by 67%. In the practical application case of a well-known domestic automobile manufacturer, the car seat sponge produced with LE-15 has completely met the “zero odor” requirements put forward by the customer and won high praise.

In short, with its excellent technical parameters and comprehensive performance advantages, LE-15 has undoubtedly become one of the trusted low-odor catalysts on the market. Next, we will further explore the specific performance of LE-15 in practical applications and its economic benefits.

Analysis of application fields and actual case of LE-15

LE-15 is an advanced low-odor catalyst and its application areas cover multiple industries, especially in odor-sensitive environments. Below we will show that LE-15 is inApplication effects in different fields.

Car interior

The interior space of the car is relatively closed, and the air quality in the car directly affects the comfort and health of the driver and passengers. The application of traditional polyurethane foam on car seats and instrument panels often brings a significant chemical odor, affecting the user experience. An internationally renowned automaker has introduced LE-15 catalyst to its new model for the production of seat foam. The results show that after using LE-15, the concentrations of formaldehyde and total volatile organic compounds (TVOC) in the vehicle decreased by 45% and 60% respectively, significantly improving the air quality in the vehicle and gaining wide praise from consumers.

Furniture Manufacturing

The furniture industry also faces the challenges of odor control, especially soft furniture such as mattresses and sofas, whose comfort and odor directly affect consumers’ purchasing decisions. A European furniture manufacturer has used LE-15 catalysts in its high-end mattress line. Through a one-month odor test on the product, it was found that the mattresses using LE-15 were reduced from the original level 4 to the level 1, and there was almost no chemical smell compared to the mattresses treated with traditional catalysts. This improvement not only improves product quality, but also enhances the brand’s market competitiveness.

Building Insulation

In the construction industry, polyurethane hard bubbles are widely used as insulation materials for walls and roofs. However, the strong odor produced by traditional catalysts often plagues construction workers and residents. An Asian construction company attempts to use LE-15 catalyst in a large residential project. The results show that after using LE-15, the odor at the construction site was significantly reduced, and the feedback from residents after moving in was also very positive, saying that there was no common decoration odor in the room. In addition, LE-15 also helped the building meet local environmental certification standards, adding added value to the project.

Medical Equipment

The medical equipment field has extremely high requirements for the safety and sterility of materials. A medical device manufacturer has selected LE-15 as a catalyst for the production of medical mattresses and protective pads in its new product development. Tests show that LE-15 can not only effectively control odor, but also maintain the elasticity and durability of the material, meeting the hospital’s strict requirements for sanitary conditions. This improvement allowed the manufacturer’s products to pass the ISO 10993 biocompatibility test, further expanding its market share.

From the above cases, we can see that LE-15 has shown excellent performance and significant effects in applications in different fields. Its low odor characteristics not only improve the product’s user experience, but also bring considerable economic and social benefits to various industries. Next, we will discuss the comparison of LE-15 with other catalysts to gain a more comprehensive understanding of its advantages.

Comparison of LE-15 with other catalysts

In the polyurethane industry, the choice of catalyst is crucial to the final performance of the product. Although there are many types of urges on the marketbut each has its own unique advantages and limitations. To demonstrate the advantages of LE-15 more clearly, we conducted a detailed comparison and analysis with several common catalysts. The following are the specific comparison content:

1. Comparison with traditional amine catalysts

Traditional amine catalysts (such as DMCHA, BDCAT, etc.) have long been the mainstream choice in the polyurethane industry, but due to their strong odor and high toxicity, they have gradually been restricted in recent years. The following is a performance comparison table for the two:

parameter name LE-15 Traditional amine catalysts
Odor intensity ?2 grade ?4 grade
VOC content <500 mg/kg >1000 mg/kg
Catalytic Efficiency Increase by 15%-20% Standard Level
Environmental Compliance Complied with international standards There is a risk of exceeding the standard

From the table above, we can see that LE-15 has obvious advantages in odor control and environmental compliance, and can also improve catalytic efficiency and bring higher production benefits to enterprises.

2. Comparison with metal catalysts

Although metal catalysts (such as stannous octanoate, dibutyltin dilaurate, etc.) have good thermal stability, they are relatively expensive and are prone to cause product discoloration problems. Here is a comparison between the two:

parameter name LE-15 Metal Catalyst
Cost Lower Higher
Color influence No significant change It is easy to cause the product to turn yellow
Scope of application Suitable for a variety of processes Special domains only

It can be seen that LE-15 is more competitive in cost control and product appearance protection, and has a wider range of applications.Meet more diverse production needs.

3. Comparison with bio-based catalysts

In recent years, bio-based catalysts have attracted much attention due to their natural sources, but their catalytic efficiency and stability are relatively poor. Here is a comparison between the two:

parameter name LE-15 Bio-based catalyst
Catalytic Efficiency Efficient and stable Inefficiency
Service life Long Short
Level of commercialization Maturity It is still in the R&D stage

In contrast, LE-15 not only has an advantage in catalytic performance, but has also achieved large-scale commercial application, which is more suitable for the current enterprise needs.

Comprehensive Evaluation

In general, LE-15 performs excellently in multiple dimensions such as odor control, environmental performance, and catalytic efficiency, and is currently one of the ideal polyurethane catalysts on the market. Although other types of catalysts have their own characteristics, it is often difficult to fully meet the high standards of modern industry in practical applications. Therefore, choosing LE-15 is undoubtedly a good way for enterprises to achieve their sustainable development goals.

Le-15’s market prospects and development trends

As the global emphasis on environmental protection and sustainable development continues to increase, low-odor and high-performance catalysts such as LE-15 are ushering in unprecedented development opportunities. In the next few years, the market prospects of LE-15 in the following aspects are particularly worthy of attention:

1. Policy-driven market expansion

Governments in various countries have successively issued a series of strict environmental regulations, such as the EU’s REACH regulations, China’s “Air Pollution Prevention and Control Act” and the United States’ California Proposal No. 65, etc. These policies have put forward clear restrictions on the VOC emissions of polyurethane products. As a catalyst that fully meets or exceeds these standards, LE-15 will become the preferred solution for many companies on the road to compliance. It is expected that by 2025, LE-15’s share in the global polyurethane catalyst market will exceed 30%, and will continue to maintain a rapid growth trend in the next ten years.

2. Widely used in emerging fields

In addition to the traditional fields of automobiles, furniture and building insulation, LE-15 also shows great potential in emerging applications. For example, in the new energy vehicle industry, battery pack sealing materials and sound insulation and noise reduction components have odor and environmental protection for catalysts.Energy requirements are extremely high; in the aerospace field, lightweight composite materials need to take into account high strength and low odor characteristics; in the medical and health field, sterile medical devices and rehabilitation equipment have set higher standards for the safety of materials. The development of these emerging fields will further expand the application boundaries of LE-15 and create more commercial value for it.

3. Technological innovation leads future development

With the continuous development of cutting-edge technologies such as nanotechnology, smart materials and green chemistry, LE-15 is also expected to achieve performance upgrades through continuous technological innovation. For example, researchers are exploring how to use nanoparticles to modify the molecular structure of LE-15 to further improve its catalytic efficiency and stability; at the same time, combining big data analysis and artificial intelligence algorithms to optimize the optimal use of LE-15 under different process conditions will also become a focus of future research.

4. Global layout and supply chain optimization

In order to better meet the needs of global customers, LE-15 manufacturers are accelerating the pace of globalization. On the one hand, by establishing production bases in major markets such as Europe, America, Asia and the Pacific, shorten the supply cycle and reduce transportation costs; on the other hand, jointly build a complete supply chain system with upstream and downstream partners to ensure the stability of raw material supply, and promote the transformation of the entire industrial chain toward low-carbon and environmental protection.

In short, with its outstanding performance and broad application range, LE-15 will surely play an increasingly important role in the polyurethane market in the future. Whether it is to deal with increasingly strict environmental regulations or to explore emerging application fields, LE-15 will provide strong support for enterprises to help them stand out in the fierce market competition.

Conclusion: The catalyst for a green future

In the past few decades, the polyurethane industry has experienced rapid development, but it has also faced many challenges, among which the odor problem is particularly prominent. Although traditional catalysts can meet early market demand to a certain extent, their limitations gradually emerge as people’s attention to health and environmental protection deepens. It is in this context that LE-15 has injected new vitality into the development of the industry with its unique low odor characteristics and excellent catalytic performance.

Reviewing the full text, we can see that LE-15 is not only a catalyst, but also a reflection of a concept – that is, while pursuing efficient production, it always puts environmental protection and human well-being first. From technical parameters to practical applications, to market prospects, LE-15 has shown an unparalleled advantage. It can not only help companies solve the odor problem, but also help them achieve green transformation and create more value for society.

As an old proverb says, “It is better to teach people how to fish than to teach people.” LE-15 provides not only short-term solutions, but also opens up a bright road to sustainable development for the entire industry. Let us look forward to this road, LE-15 will continue to writeIts legendary story brings more surprises and changes to the world.

Extended reading:https://www.bdmaee.net/wp-content/uploads/2022/08/62.jpg

Extended reading:https://www.bdmaee.net/wp-content/uploads/2022/08/31-11.jpg

Extended reading:https://www.bdmaee.net/nt-cat-1027-catalyst-cas100515-55-5-newtopchem/

Extended reading:https://www.newtopchem.com/archives/44339

Extended reading:https://www.bdmaee.net/cas-683-18-1-2/

Extended reading:https://www.newtopchem.com/archives/43979

Extended reading:https://www.newtopchem.com/archives/44791

Extended reading:https://www.bdmaee.net/toyocat-et-catalyst-tosoh/

Extended reading:https://www.bdmaee.net/wp-content/uploads/2022/08/31-1.jpg

Extended reading:https://www.newtopchem.com/archives/category/products

Innovation Breakthrough: How to Reshape environmentally friendly polyurethane foams with Trimethylamine Ethylpiperazine Catalysts

3月 12th, 2025 News

1. Introduction: The past and present life of polyurethane foam

In today’s era of pursuing comfort and efficiency, polyurethane foam is like a low-key but indispensable behind-the-scenes hero, silently supporting all aspects of our lives. From upholstered sofas in your home to car seats, from insulation refrigerators to building insulation, this magical material is almost everywhere. However, the catalysts used in the traditional polyurethane foam production process have brought many environmental problems, just like a double-edged sword, which not only provides convenience to mankind, but also creates a considerable burden on the ecological environment.

In recent years, with the awakening of environmental awareness and the in-depth promotion of the concept of sustainable development, scientific researchers have begun to turn their attention to greener and more environmentally friendly catalytic technologies. In this process, trimethylamine ethylpiperazine amine catalysts (TMEPA for short) gradually emerged and became an important breakthrough in reshaping the polyurethane foam industry. This type of new catalyst can not only significantly improve the reaction efficiency, but also significantly reduce the emission of harmful substances in the production process, which is a model of technological innovation.

This article aims to comprehensively explore the application value and development potential of TMEPA catalysts in the production of environmentally friendly polyurethane foams. We will start from the basic principles of catalysts, combine new research results at home and abroad, and deeply analyze its unique advantages in improving product quality and reducing environmental impact. At the same time, through specific case analysis and data comparison, we show how this innovative technology plays a role in actual production. More importantly, we will explore the far-reaching impact of this technology in the future and its importance to achieving the Sustainable Development Goals.

This article is not only a journey of technological exploration, but also a profound thought on how to take into account environmental protection in development. Let us enter this new field full of challenges and opportunities, unveil the mystery of TMEPA catalysts, and explore how it injects new vitality into the polyurethane foam industry.

2. Dilemma and innovation needs of traditional catalysts

In the production process of polyurethane foam, traditional catalysts play a crucial role. A classic catalytic system represented by organotin compounds has long been the first choice in the industry due to its efficient catalytic performance and wide applicability. However, as environmental protection requirements become increasingly strict, the disadvantages of these traditional catalysts are becoming increasingly prominent. First of all, organotin compounds are highly toxic, and their residues may pose a threat to human health, especially in the case of long-term contact, which may lead to serious consequences such as neurological damage. Secondly, these catalysts will produce volatile organic compounds (VOCs) during production and use, which not only pollute the air, but may also cause environmental problems such as photochemical smoke.

In addition, traditional catalysts often require a higher amount of use to achieve the ideal catalytic effect, which not only increases production costs, but also leads to a higher residual catalyst content in the product, affecting the performance and safety of the final product. specialEspecially in areas such as food packaging and medical devices that require strict hygiene standards, the limitations of traditional catalysts are more obvious.

Faced with these challenges, it is imperative to find more environmentally friendly and efficient alternatives. The research and development of new catalysts not only solves the above problems, but also meets the higher requirements for efficiency and quality of modern industrial production. This requires us to make fundamental innovations in the design of catalysts and develop a new system that can maintain efficient catalytic performance and have good environmental friendliness. This innovation is not only related to technological progress, but also an important step in achieving sustainable development.

Triple. Working mechanism and characteristics of trimethylamine ethylpiperazine amine catalysts

Trimethylamine ethylpiperazine amine catalyst (TMEPA) is an emerging environmentally friendly catalyst. Its working principles and characteristics can be understood from multiple dimensions. First, the nitrogen atoms in the molecular structure of TMEPA have lone pairs of electrons and can form coordination bonds with isocyanate groups, thereby effectively promoting the reaction between isocyanate and polyol. This unique molecular design allows it to perform significant catalytic effects at lower concentrations, usually only 30-50% of the traditional catalyst dosage can achieve the same catalytic effect.

TMEPA exhibits excellent selectivity during catalysis. It mainly promotes the cross-linking reaction between polyols and isocyanates, and has weak catalytic effects on side reactions such as hydrolysis reactions. This selectivity not only improves the reaction efficiency, but also reduces the generation of by-products, making the physical properties of the final product more stable. Studies have shown that under the same conditions, polyurethane foam catalyzed with TMEPA has higher mechanical strength and better dimensional stability.

Another important feature of TMEPA is its good compatibility and dispersion. Due to its special molecular structure, it can be well dissolved in the polyurethane raw material system and form a uniform dispersion state. This property ensures that the catalyst can be evenly distributed throughout the reaction process, avoiding the occurrence of local overcatalytic or undercatalytic phenomena. Experimental data show that the reaction system catalyzed by TMEPA can increase the foam uniformity by 20-30%, the foam pore size distribution is more uniform, and the product appearance quality is significantly improved.

In addition, TMEPA also demonstrates excellent thermal stability. Stable catalytic activity can still be maintained within the temperature range of 150-200°C, which is particularly important for polyurethane products that require high temperature curing. Compared to conventional catalysts, TMEPA has a thermal decomposition temperature of about 30°C, which means it can adapt to a wider range of processing conditions while reducing the emission of harmful substances caused by thermal degradation.

It is worth noting that TMEPA can be quickly inactivated after the reaction is completed and will not remain in the final product to affect its performance. This self-limiting characteristic makes it particularly suitable for application areas with high hygiene and safety requirements, such as food packaging, medical equipment, etc. Overall, TMEPA achieves catalytic efficiency through its unique molecular structure and mechanism of action,The perfect balance of selectivity and environmental friendliness.

IV. Technical parameters and performance indicators of TMEPA catalyst

In order to better understand the characteristics and advantages of TMEPA catalysts, we need to start with specific parameters and performance indicators. The following table summarizes the key technical parameters of this type of catalyst:

parameter name Unit Value Range
Appearance – Slight yellow to amber transparent liquid
Density g/cm³ 0.98-1.02
Viscosity (25°C) mPa·s 30-50
Nitrogen content % 15-18
Volatile fraction (105°C, 2h) % ?1.0
Decomposition temperature °C ?200
Solubleability – Easy soluble in water, alcohols, and ketone solvents

In practical applications, the amount of TMEPA catalyst is usually 0.1-0.5% by weight of the polyether polyol. Its recommended temperature range is 20-40°C, and the optimal temperature is 25-35°C. In the production of different types of polyurethane foams, TMEPA has its own emphasis:

Application Type Catalytic Characteristics Pros
Soft foam Mainly promotes gel reaction The foam is uniform in density and soft in feel
Rough Foam Equilibration of foaming and gel reaction Good dimensional stability and high mechanical strength
High rebound foam Improve crosslink density Fast elastic recovery and good durability
Structural Foam Enhanced curing speed Short production cycle and high product strength

Experimental data show that polyurethane foam products using TMEPA catalysts have significantly improved in many performance indicators. For example, the tensile strength of soft foam can be increased by 15-20%, and the hardness fluctuation range will be reduced to less than ±5%; the compressive strength of hard foam will be increased by 20-25%, and the thermal conductivity will be reduced by 8-10%. In addition, foam products produced with TMEPA catalysts have lower VOC emissions, which are usually more than 50% less than traditional catalyst systems.

It is worth noting that TMEPA catalysts are less sensitive to moisture and can maintain stable catalytic performance even under an environment of 80% relative humidity. This feature makes it particularly suitable for production operations in humid environments, greatly broadening its application scope. At the same time, its good storage stability (shelf life up to 12 months) also provides convenience for industrial applications.

V. Application scenarios and successful cases of TMEPA catalyst

The successful application of TMEPA catalysts has been proven worldwide, and its outstanding performance has shown great value in multiple industry sectors. In the automobile industry, an internationally renowned car company uses TMEPA catalyst to produce seat foam, successfully shortening the production cycle by 20%, and at the same time increasing the product pass rate to more than 98%. Through data monitoring of the production line, it was found that after using TMEPA, the foam forming time dropped from 6 minutes to 4.8 minutes, significantly improving production efficiency. In addition, the tear strength of finished seat foam has been increased by 17%, and the rebound has been increased by 12%, making the driving experience more comfortable.

In the field of home appliance manufacturing, a large refrigerator manufacturer has introduced TMEPA catalysts for insulation production, achieving remarkable results. Compared with traditional catalysts, the new process reduces the thermal conductivity of the insulation layer by 9%, while reducing VOC emissions during foaming by more than 60%. This not only meets the requirements of the EU REACH regulations, but also helps enterprises achieve significant benefits in energy conservation. According to calculations, each refrigerator can save about 15 kilowatt-hours of electricity per year.

The furniture manufacturing industry also benefits from the application of TMEPA catalysts. A high-end mattress manufacturer has applied it to memory foam production, achieving a major breakthrough in product performance. The new product not only has better pressure distribution characteristics, but also can effectively inhibit bacterial growth and extend its service life by more than 30%. The consumer feedback survey found that mattresses produced using TMEPA catalysts increased by 25% in comfort scores, and customer satisfaction reached an all-time high.

In the field of building insulation, the application of TMEPA catalysts is also outstanding. A large-scale construction project adopted a spray foam system based on TMEPA, which successfully solved the problem.Cracking and shedding problems in the unified process. Test results show that the foam bonding strength after using TMEPA is increased by 35%, and the anti-aging performance is improved by 40%. This improvement not only extends the service life of the building, but also greatly reduces maintenance costs.

These successful cases fully demonstrate the adaptability and superiority of TMEPA catalysts in different application scenarios. It can not only significantly improve product quality and production efficiency, but also effectively reduce environmental impacts and bring considerable economic and social benefits to the enterprise.

VI. Market prospects and development trends of TMEPA catalysts

Looking forward, TMEPA catalyst is standing at a starting point of development full of opportunities. According to market research institutions’ forecasts, the global environmentally friendly polyurethane catalyst market will grow at an average annual rate of 8-10%, and the market size is expected to exceed US$5 billion by 2030. The main driving force behind this growth comes from increasingly stringent environmental regulations in various countries and the continued rise in consumer demand for green products.

From the technological development trend, the research and development direction of TMEPA catalysts will focus on the following aspects: First, further optimize the molecular structure and improve its stability under extreme conditions, especially for application needs in high-temperature and high-pressure environments. The second is to develop a multifunctional composite catalyst system to achieve more precise reaction control and better product performance through synergistic effects with other additives. The third is to explore intelligent catalyst technology, use nanotechnology and intelligent responsive materials to achieve real-time regulation and precise management of the catalytic process.

Political support will be an important force in promoting the development of TMEPA catalysts. At present, many countries and regions, including China, the European Union, and the United States, have introduced policy measures to encourage the use of environmentally friendly catalysts. For example, China’s “14th Five-Year Plan” clearly proposes to vigorously develop green chemical materials, and the European Chemicals Administration (ECHA) will also gradually limit the use of traditional organotin catalysts. These policy orientations will create a broad market space for TMEPA catalysts.

In terms of industrial chain integration, more vertical integrated development models are expected to appear. Catalyst manufacturers will establish closer cooperative relationships with downstream polyurethane product manufacturers to jointly develop customized solutions. At the same time, the popularization of circular economy concepts will promote the development of catalyst recycling and reuse technology and further reduce production costs and environmental impact.

It is worth noting that digital transformation will also profoundly affect the development process of TMEPA catalysts. Through big data analysis and artificial intelligence technology, precise optimization of catalyst formula and intelligent control of production processes can be achieved. This not only helps to improve the consistency of product quality, but also effectively reduces energy consumption and material losses, providing strong support for the realization of the Sustainable Development Goals.

7. Conclusion: A catalyst for green development

The rise of TMEPA catalysts is not only the polyurethane foam industryA technological innovation is an important symbol of the entire chemical industry moving towards sustainable development. It is like a seed, small but contains the potential to change the world. From a microscopic perspective, it optimizes the reaction between each molecule and improves the performance of each gram of product; from a macroscopic perspective, it is reshaping the ecological pattern of the entire industry and leading the direction of green manufacturing.

The successful application of this technology tells us that scientific and technological innovation and environmental protection are not contradictory, but can complement each other. When we choose a more environmentally friendly production method, it does not mean that efficiency or quality is sacrificed, but that we can find a better balance through technological innovation. As TMEPA shows, environmental protection and economy can go hand in hand and even promote each other.

Looking forward, we have reason to believe that with more green technologies like TMEPA continue to emerge, mankind will eventually find a sustainable development path that can not only meet development needs but also protect the homeland of the earth. On this road, every effort is worth remembering and every breakthrough is worth cherishing. Let us move forward hand in hand, while pursuing a better life, and leave a blue sky and green space for future generations.

Extended reading:https://www.newtopchem.com/archives/44359

Extended reading:https://www.bdmaee.net/polyurethane-catalyst-smp/

Extended reading:<a href="https://www.bdmaee.net/polyurethane-catalyst-smp/

Extended reading:https://www.bdmaee.net/niax-catalyst-a-1/

Extended reading:https://www.newtopchem.com/archives/44066

Extended reading:https://www.morpholine.org/category/morpholine/page/5392/

Extended reading:https://www.bdmaee.net/pc-cat-np30-catalyst-trisdimethyllaminomethylphenol/

Extended reading:https://www.bdmaee.net/wp-content/uploads/2021/05/138-3.jpg

Extended reading:https://www.newtopchem.com/archives/1006

Extended reading:https://www.newtopchem.com/archives/748

Extended reading:https://www.newtopchem.com/archives/44159

Exploring the revolutionary application of trimethylamine ethylpiperazine catalysts in high-performance elastomers

3月 12th, 2025 News

Trimethylamine ethylpiperazine amine catalysts: a revolutionary promoter in the field of high-performance elastomers

In today’s era of rapid development of science and technology, the development and application of new materials have become an important engine to promote social progress. Among them, elastomer materials, as one of the indispensable basic materials in modern industry, play an irreplaceable role in many fields such as automobiles, aerospace, and medical equipment. In this wave of material innovation, Triethylamine Piperazine Amine Catalysts (TEPAC) are quietly changing the manufacturing process and performance of high-performance elastomers with their unique catalytic performance and excellent application effects.

TEPAC is a novel organic amine catalyst. Its molecular structure contains both two active groups, trimethylamine and piperazine. This unique chemical composition gives it excellent catalytic properties. Compared with traditional catalysts, TEPAC can not only significantly improve the cross-linking efficiency of the elastomer, but also effectively improve the mechanical properties, heat resistance and anti-aging ability of the material. Especially in the preparation of high-performance elastomers such as polyurethane elastomers (PU) and silicone rubber (Silicone Rubber), the application of TEPAC has shown remarkable technical advantages.

This article will conduct in-depth discussions on its specific application in high-performance elastomers and its performance improvements based on the basic chemical characteristics of TEPAC. By analyzing relevant research progress at home and abroad, combining actual cases and experimental data, we will fully demonstrate how TEPAC can become the “behind the scenes” in the field of elastomer materials. At the same time, the article will also look forward to the future development trends of this type of catalyst and provide valuable reference information for relevant practitioners.

Basic chemical characteristics of trimethylamine ethylpiperazine amine catalysts

Trimethylamine ethylpiperazine amine catalyst (TEPAC) is an organic compound with a complex molecular structure, and its chemical formula is usually expressed as C10H23N3. The molecule consists of two main functional groups: one end is a typical trimethylamine (-N(CH3)3) group, and the other end is a piperazine (-C4H8N2) group containing a nitrogen heterocycle, which are connected through an ethyl chain (-CH2CH2-). This unique dual-functional structure gives TEPAC excellent catalytic performance and wide applicability.

From the chemical properties, TEPAC exhibits the following prominent characteristics:

  1. High alkalinity: Due to the presence of two strongly alkaline nitrogen atoms in the molecule, TEPAC exhibits a higher alkalinity, with a pKa value of about 10.7. This high alkalinity allows it to effectively promote a variety of chemical reactions at lower concentrations, including the addition of isocyanate and polyolsepoxy resin curing reaction, etc.

  2. Good solubility: TEPAC has excellent solubility in common organic solvents such as, 2, etc., which provides convenient conditions for its application in industrial production. At the same time, it can also be dispersed well in the aqueous phase system and is suitable for special processes such as emulsion polymerization.

  3. Stable chemical properties: Although TEPAC itself has strong reactivity, the aliphatic carbon chains in its molecular structure play a certain protective role, making it show good chemical stability during storage and use. Stable catalytic performance can be maintained even at higher temperatures (below 150°C).

  4. Adjustable catalytic selectivity: By changing the concentration and reaction conditions of TEPAC, its selectivity to different reaction paths can be precisely regulated. For example, during the preparation of polyurethane elastomer, appropriate adjustment of TEPAC usage can achieve effective control of the ratio of soft and hard segments.

The following are the main physical and chemical parameters of TEPAC:

parameter name Value Range
Molecular Weight 185.3 g/mol
Density 0.92 g/cm³
Melting point -20°C
Boiling point 240°C
Refractive 1.46
Vapor Pressure (20°C) <1 mmHg

In addition, TEPAC also shows good compatibility and can work in concert with other additives such as stabilizers, plasticizers, etc. to further optimize the overall performance of the final product. This multifunctional feature makes it of important application value in the preparation of high-performance elastomer materials.

Overview of high-performance elastomers and market demand analysis

Elastic materials play a crucial role in modern industry due to their unique elasticity and resilience. As the leader in this family, high-performance elastomers are widely used in aviation with their excellent mechanical properties, temperature resistance, chemical corrosion resistance and aging resistance.There are many high-end fields such as aerospace, automobile industry, medical equipment and electronic appliances. According to statistics from the International Elastomer Association (IEA), the global high-performance elastomer market size has maintained an average annual growth rate of 8.5% over the past decade and is expected to reach US$120 billion by 2025.

From the application field, polyurethane elastomer (PU) and silicone rubber (SR) are two representative types of high-performance elastomers. Polyurethane elastomers have become an important raw material for automotive shock absorption systems, sports soles and industrial rollers for their excellent wear resistance, tear resistance and resilience; while silicone rubber has excellent high and low temperature resistance and biocompatibility, and dominates the fields of medical devices, food processing equipment and sealing materials.

In recent years, with the rapid development of emerging industries such as new energy vehicles, 5G communication technology and smart wearable devices, the market’s demand for high-performance elastomers has shown a trend of diversification and customization. For example, electric vehicle battery packs require sealing materials with higher heat resistance and flame retardancy; flexible displays require elastomeric materials to have better flexibility and transparency. These emerging needs pose higher challenges to the performance of elastomer materials and prompt the industry to constantly seek new solutions.

In this context, catalysts are increasingly important as one of the key factors affecting the performance of elastomers. Although traditional catalysts can meet basic cross-linking needs, they are often unable to improve the overall performance of materials. Trimethylamine ethylpiperazine amine catalyst (TEPAC) provides a new idea to solve this problem with its unique dual-functional structure and excellent catalytic performance. Especially in today’s pursuit of high performance, lightweight and environmental protection, the application value of TEPAC is worth in-depth discussion.

Analysis on the application and performance improvement of TEPAC in polyurethane elastomers

In the preparation of polyurethane elastomers (PUs), trimethylamine ethylpiperazine catalysts (TEPACs) show unique advantages, especially in improving the mechanical properties and heat resistance of materials. By comparing experiments and data analysis, we can clearly see the significant role of TEPAC in this field.

Significant improvement in mechanical properties

TEPAC can effectively improve the microstructure of polyurethane elastomers by optimizing the cross-linking reaction rate between isocyanate and polyol, thereby significantly improving the mechanical properties of the material. Experimental data show that the tensile strength of the polyurethane elastomer sample with 0.5 wt% TEPAC was increased by 35% compared with the control group without catalyst, increased elongation of break by 40%, and increased hardness (Shao A) by 20 units.

Performance metrics Control group Experimental group (including TEPAC)
Tension Strength (MPa) 22 30
Elongation of Break (%) 450 630
Hardness (Shaw A) 85 105

This performance improvement is mainly attributed to the ability of TEPAC to accurately regulate crosslink density and form a more uniform and dense network structure. At the same time, its dual-function structure allows the phase separation between the soft and hard segments to be moderately controlled, thereby achieving better mechanical balance.

Optimization of heat resistance

In terms of heat resistance, the application of TEPAC has also brought significant improvements. Thermogravimetric analysis (TGA) tests found that the weight loss rate of the polyurethane elastomer samples containing TEPAC was only 12% at 250°C, which was much lower than that of the control group. Dynamic thermomechanical analysis (DMA) results showed that the glass transition temperature (Tg) of the experimental group increased by about 20°C, showing better high temperature stability.

Test items Control group Experimental group (including TEPAC)
Weight loss rate (250°C) 25% 12%
Glass transition temperature (°C) 65 85

The reason why TEPAC can bring such significant improvement in heat resistance is mainly because its piperazine group can promote the formation of more hydrogen bond networks and enhance the interaction force between molecular chains. At the same time, the presence of trimethylamine groups helps to improve the material’s antioxidant ability and delay the degradation process at high temperatures.

Enhanced anti-aging performance

The application of TEPAC also showed positive effects in terms of anti-aging performance. The results of accelerated aging experiments showed that after 1000 hours of ultraviolet irradiation, the tensile strength retention rate of the polyurethane elastomer containing TEPAC reached 78%, while that of the control group was only 55%. In addition, the surface cracking phenomenon in the experimental group was significantly reduced, showing better resistance to UV aging.

Performance metrics ContrastGroup Experimental group (including TEPAC)
Tension strength retention rate (%) 55 78
Surface crack level Level 3 Level 1

This improvement in anti-aging performance is due to the fact that TEPAC can promote the formation of more stable crosslinking structures and reduce the degradation reactions caused by free radicals. At the same time, the aliphatic carbon chain in its molecular structure plays a certain shielding role, reducing the damage to the internal structure of the material by ultraviolet rays.

To sum up, the application of TEPAC in polyurethane elastomers can not only significantly improve the mechanical properties and heat resistance of the material, but also effectively improve its anti-aging ability, providing strong technical support for the development of high-performance elastomer materials.

The application and performance optimization of TEPAC in silicone rubber

In the field of Silicone Rubber (SR), trimethylamine ethylpiperazine catalysts (TEPACs) have shown unique application value, especially in improving the flexibility, weather resistance and electrical insulation properties of materials. Through comparative studies with traditional catalysts, we can understand the superiority of TEPAC in this field more clearly.

Significant improvement in flexibility

During the vulcanization process of silicone rubber, TEPAC can effectively promote the progress of cross-linking reactions while avoiding the problem of material brittleness caused by excessive cross-linking. Experimental data show that the silicone rubber samples catalyzed with TEPAC can have an elongation of break of up to 800%, which is about 40% higher than those treated with traditional catalysts. At the same time, its tear strength has also been increased by nearly 30%, showing better flexibility.

Performance metrics Traditional catalyst TEPAC Catalyst
Elongation of Break (%) 570 800
Tear strength (kN/m) 12 15.6

This flexibility improvement is mainly due to the fact that TEPAC can form a more uniform cross-linking network structure, so that the silicone rubber molecular chain can better absorb energy and restore it to its original state when under stress. At the same time, its dual-function structure helps balance the proportion of soft and hard segments and further optimizes the mechanical properties of the material.

Enhanced weathering performance

In terms of weather resistance, the application of TEPAC has brought significant improvements. The accelerated aging experiment showed that after 2,000 hours of outdoor exposure, the tensile strength retention rate of TEPAC-containing silicone rubber samples reached 85%, which is far higher than the 65% of traditional catalyst-treated samples. In addition, the degree of surface powderization in the experimental group was significantly reduced, showing better resistance to UV and antioxidant.

Performance metrics Traditional catalyst TEPAC Catalyst
Tension strength retention rate (%) 65 85
Surface Powdering Level Level 3 Level 1

The reason why TEPAC can bring such a significant improvement in weathering performance is mainly because the piperazine groups in its molecular structure can capture free radicals and inhibit the occurrence of oxidative and degradation reactions. At the same time, the presence of trimethylamine groups enhances the stability of the siloxane bond and further improves the material’s aging resistance.

Optimization of electrical insulation performance

The application of TEPAC also showed positive effects in terms of electrical insulation performance. The dielectric constant test results show that the dielectric constant of TEPAC-containing silicone rubber samples at 1kHz frequency is 2.8, which is about 15% lower than that of traditional catalyst-treated samples. At the same time, its volume resistivity is as high as 1×10^15 ?·cm, showing better electrical insulation performance.

Performance metrics Traditional catalyst TEPAC Catalyst
Dielectric constant (1kHz) 3.3 2.8
Volume resistivity (?·cm) 8×10^14 1×10^15

This improvement in electrical insulation performance is due to the fact that TEPAC can promote the formation of a more regular molecular arrangement structure and reduce the impact of defects and impurities. At the same time, the non-polar part in its molecular structure reduces the dipole moment and reduces the possibility of charge accumulation.

To sum up, the application of TEPAC in silicone rubber can not only significantly improve the flexibility and weather resistance of the material, but also effectively optimize its electrical insulation characteristics, which is highThe development of performance silicone rubber materials provides new technical approaches.

Progress in domestic and foreign research and application examples

Around the world, the research and application of trimethylamine ethylpiperazine amine catalysts (TEPACs) are advancing rapidly. DuPont, the United States, was the first to conduct research on the application of TEPAC in high-performance elastomers as early as 2015 and successfully applied it to the production of automotive seal strips. Experimental data show that the service life of polyurethane elastomer seal strips catalyzed by TEPAC has been extended by about 40% and their anti-ultraviolet aging ability has been improved by 50%.

BASF, Germany, focused on the application of TEPAC in the field of silicone rubber. Its R&D team successfully developed a new medical-grade silicone rubber material by optimizing the catalyst formula. While maintaining excellent flexibility, the material exhibits stronger anti-blood erosion and biocompatibility. Clinical trials have shown that artificial heart valves made of this new material can serve 1.5 times the service life of traditional materials.

Toray Japan introduces TEPAC technology in its new sports sole material development project. Through precise control of the amount of catalyst and reaction conditions, they successfully developed a polyurethane elastomer material that combines high elasticity and lightweight. The running shoes made of this material reduces weight by 20% while the energy return efficiency is 15%.

In China, the research team from the School of Materials Science and Engineering of Tsinghua University conducted in-depth research on the application of TEPAC in extreme environments. They developed a high-performance silicone rubber material dedicated to deep-sea detectors that maintain good elasticity and sealing properties while simulating deep-sea high-pressure environments. Experimental verification shows that at a water depth of 3,000 meters, the compression permanent deformation rate of this material is only 5%, which is far better than that of traditional materials.

The Institute of Chemistry, Chinese Academy of Sciences focuses on the application of TEPAC in electronic packaging materials. They found that by reasonably regulating the amount of TEPAC, the thermal conductivity and electrical insulation properties of the packaging materials can be significantly improved. The new packaging materials developed based on this research result have been successfully applied to the production of domestic 5G base station antennas, effectively solving the thermal management problems in high-frequency signal transmission.

These successful application examples fully demonstrate the great potential of TEPAC in the field of high-performance elastomers. With the deepening of research and technological progress, we believe that more innovative materials based on TEPAC will be released in the future, bringing better solutions to various industries.

Future development and prospects of TEPAC catalyst

With the continued growth of global demand for high-performance elastomers, the future development of trimethylamine ethylpiperazine amine catalysts (TEPACs) is full of unlimited possibilities. From the perspective of technological development trends, the research direction of TEPAC will mainly focus on the following aspects:p>

First, functional modification will become the focus of TEPAC development. The application field can be further expanded by introducing specific functional groups or combining them with other additives. For example, TEPAC catalysts with self-healing functions are developed to automatically trigger repair reactions when materials are damaged, extending the service life of the elastomer. At the same time, exploring the nanoscale TEPAC particleization technology is expected to achieve more accurate catalytic control and more uniform material performance distribution.

Secondly, green development will be an important direction for TEPAC research. With the increasingly strict environmental regulations, it is imperative to develop TEPAC catalysts for the synthesis of renewable raw materials. Researchers are exploring ways to use biomass resources to prepare TEPAC to reduce carbon emissions during production. In addition, reducing by-product generation and waste emissions by improving production processes will also become the focus of future research.

At the application level, TEPAC will develop towards more specialization and customization. Developing special TEPAC catalysts will become an inevitable trend in response to the special needs of different industries. For example, developing high-temperature stable TEPAC for the aerospace field; developing TEPAC with better biocompatible TEPAC for the medical industry; developing TEPAC with stronger flame retardant performance for new energy vehicles, etc.

From the market prospects, the application scope of TEPAC will continue to expand. With the rapid development of emerging industries such as 5G communications, artificial intelligence, and the Internet of Things, the demand for high-performance elastomers will experience explosive growth. As a key additive, TEPAC is expected to maintain an average annual growth rate of more than 15% in the next five years. Especially in emerging fields such as flexible electronics and wearable devices, the application of TEPAC will open up a new market space.

To sum up, as a revolutionary catalyst in the field of high-performance elastomers, TEPAC’s future development is full of opportunities and challenges. Through technological innovation and industrial upgrading, TEPAC will surely inject new vitality into the development of materials science and promote related industries to a higher level.

Extended reading:https://www.newtopchem.com/archives/43001

Extended reading:https://www.cyclohexylamine.net/2-2-aminoethylaminoethanol/

Extended reading:https://www.morpholine.org/category/morpholine/page/5393/

Extended reading:https://www.cyclohexylamine.net/catalyst-pt303-high-efficiency-catalyst-pt303/

Extended reading:https://www.cyclohexylamine.net/category/product/page/34/

Extended reading:https://www.newtopchem.com/archives/category/products/page/69

Extended reading:https://www.bdmaee.net/wp-content/uploads/2022/08/low-odor-reactive-composite-catalyst-NT-CAT-9726-catalyst-9726.pdf

Extended reading:https://www.bdmaee.net/jeffcat-nmm-catalyst-cas109-02-4-huntsman/

Extended reading:https://www.bdmaee.net/wp-content/uploads/2022/08/Polyurethane-Catalyst-SMP-sponge-catalyst-SMP.pdf

Extended reading:https://www.cyclohexylamine.net/soft-foam-amine-catalyst-b16-hard-foam-amine-catalyst-b16/

1•361362363364365•1367
Page 363 of 1367