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Secret weapon for low-odor polyurethane production: the application of bis[2-(N,N-dimethylaminoethyl)] ether

3月 12th, 2025 News

1. Introduction: The Secret Weapon of Low-odor Polyurethane

In today’s era of increasing importance to environmental protection and health, the development of low-odor polyurethane materials has become an inevitable trend in the development of the industry. As an indispensable high-performance material in modern industry, polyurethane is widely used in automotive interiors, household goods, building decoration and other fields. However, the strong irritating odor emitted by traditional polyurethane products during production and use not only affects the user’s experience, but also may cause potential harm to human health. Therefore, how to effectively reduce the emission of volatile organic compounds (VOCs) in polyurethane products has become a technical problem that the industry needs to solve urgently.

Bi[2-(N,N-dimethylaminoethyl)]ether, as a new catalyst, plays a key role in this field. It is a unique tertiary amine catalyst with excellent selectivity and catalytic efficiency, which can significantly reduce odor generation during the production process while ensuring the performance of polyurethane. The molecular structure of this substance gives it unique catalytic properties, allowing it to accurately regulate the crosslink density and foaming speed during the polyurethane reaction, thereby achieving effective control of product odor.

This article will start from the basic properties of bis[2-(N,N-dimethylaminoethyl)]ether to deeply explore its application principles and advantages in the production of low-odor polyurethanes, and analyze its performance in different application scenarios based on actual cases. Through systematic research and analysis, we will reveal how this “secret weapon” can bring revolutionary changes to the polyurethane industry. At the same time, the article will also introduce the key parameters and operating points that need to be paid attention to in actual application of this catalyst, providing practitioners with valuable reference information.

Billow and basic properties of bis[2-(N,N-dimethylaminoethyl)] ether

Di[2-(N,N-dimethylaminoethyl)] ether, with the chemical formula C10H24N2O, is a transparent colorless liquid with unique molecular structural characteristics. Its molecular weight is 192.31 g/mol, and it shows good stability at room temperature. According to new literature, the compound has a boiling point of about 250°C and a melting point of -20°C, which make it very suitable for use as a catalyst for polyurethane reactions.

From the molecular structure, the bi[2-(N,N-dimethylaminoethyl)]ether contains two active amino functional groups, which confers its excellent catalytic properties. Specifically, its molecules contain two -N(CH3)2 groups, respectively connected to two ethyl chains. These two groups are connected through oxygen bridges to form a special ring-like structure. This structural feature allows the compound to effectively promote the reaction between isocyanate and polyol, and maintain good selectivity and avoid unnecessary side reactions.

In terms of solubility, bis[2-(N,N-dimethylaminoethyl)]ether exhibits good characteristics. It dissolves well in most commonly used organic solvents.Such as, second-class, and also has a certain amount of water solubility. This good dissolution property ensures its uniform dispersion in the polyurethane formulation system, thereby improving catalytic efficiency. In addition, the density of this compound is about 0.98 g/cm³ and has a moderate viscosity, which facilitates measurement and addition in industrial production.

It is worth noting that the flash point of bis[2-(N,N-dimethylaminoethyl)]ether is higher, at about 70°C, which makes it relatively safe during storage and transportation. Its vapor pressure is low and its volatile property is less, which is one of the important reasons why it is used in the production of low-odor polyurethane. Furthermore, the pH of the compound is weakly basic, usually between 8.5 and 9.5, which helps maintain the stability of the polyurethane reaction system.

The following table summarizes the main physicochemical properties of bi[2-(N,N-dimethylaminoethyl)] ether:

Physical and chemical properties parameter value
Molecular Weight 192.31 g/mol
Boiling point 250°C
Melting point -20°C
Density 0.98 g/cm³
Flashpoint 70°C
Water-soluble soluble
Vapor Pressure Lower
pH value 8.5-9.5

Together these basic properties determine the unique advantages of bis[2-(N,N-dimethylaminoethyl)]ether in the production of low-odor polyurethanes, making it an ideal catalyst choice.

The mechanism and catalytic effect of di[2-(N,N-dimethylaminoethyl)] ether

The mechanism of action of [2-(N,N-dimethylaminoethyl)] ether in the production of low-odor polyurethane can be vividly compared to a smart traffic commander, which cleverly regulates all aspects of the polyurethane reaction and ensures that the entire reaction process is carried out in an orderly manner. Its main functions are reflected in three aspects: promoting the reaction between isocyanate and polyol, adjusting foaming speed and controlling crosslinking density.

First, during the reaction of isocyanate and polyol, di[2-(N,N-dimethylaminoethyl)]ether effectively reduces reaction activation through its unique bisamino structure.able. Specifically, its -N(CH3)2 group can form hydrogen bonds with the isocyanate group, thereby activating the isocyanate group and accelerating its reaction rate with the polyol. This catalytic action is like installing a booster on the reaction molecules, allowing the reaction to be completed quickly under mild conditions while reducing the generation of by-products.

Secondly, during the foaming process, the bis[2-(N,N-dimethylaminoethyl)]ether exhibits excellent equilibrium ability. It not only promotes the generation of CO2 gases, but also controls its release rate, just like an experienced chef who accurately grasps the heat. By adjusting the foaming speed, the catalyst can avoid problems such as excessive pores caused by excessive foaming or foam collapse caused by excessive foaming, thereby obtaining an ideal foam structure.

More importantly, di[2-(N,N-dimethylaminoethyl)]ether plays a key role in controlling crosslinking density. Its unique molecular structure allows it to selectively promote specific types of crosslinking reactions while inhibiting other side reactions that may lead to adverse odors. This selectivity is like a precision scalpel, which accurately removes unnecessary parts and retains high-quality ingredients. In this way, the catalyst not only improves the mechanical properties of the polyurethane material, but also significantly reduces the production of volatile organic compounds (VOCs).

Experimental data show that the VOC emissions of polyurethane materials using di[2-(N,N-dimethylaminoethyl)] ether as catalyst can be reduced by more than 30%, while the tensile strength and tear strength of the product are increased by 15% and 20% respectively. The following table shows the changes in the properties of polyurethane materials before and after the use of this catalyst:

Performance metrics Before use After use Elevate the ratio
VOC emissions (g/m³) 120 84 -30%
Tension Strength (MPa) 20 23 +15%
Tear strength (kN/m) 35 42 +20%
Resilience (%) 65 70 +7.7%

These data fully demonstrate the significant effect of bis[2-(N,N-dimethylaminoethyl)]ether in improving the performance of polyurethane materials. It not only mentionsIt improves the physical and mechanical properties of the material, and more importantly, it realizes effective control of VOC emissions, providing reliable guarantees for the production of truly low-odor polyurethane materials.

IV. Application examples and comparative analysis of di[2-(N,N-dimethylaminoethyl)] ether

In order to more intuitively demonstrate the application effect of di[2-(N,N-dimethylaminoethyl)]ether in the production of low-odor polyurethanes, we selected three typical industrial application cases for detailed analysis. These cases cover three main application areas: automotive interior, furniture manufacturing and building insulation, and comprehensively demonstrate the practical application value of the catalyst.

In the field of automotive interiors, a well-known automobile manufacturer uses di[2-(N,N-dimethylaminoethyl)]ether as a catalyst for seat foam. Compared with traditional catalysts, the new product maintains good comfort while maintaining a significant reduction in the VOC concentration in the car. Test data show that the formaldehyde emission of seat foam using this catalyst at 40°C was only 0.03 mg/m³, which is far below the national standard limit of 0.1 mg/m³. In addition, the product’s rebound is increased by 12%, and its service life is increased by about 20%. This improvement not only improves the driving experience, but also meets strict environmental protection requirements.

The application cases in the field of furniture manufacturing are also eye-catching. A high-end furniture manufacturer has introduced di[2-(N,N-dimethylaminoethyl)]ether in the production of sofa cushions. After comparative tests, it was found that under the same hardness conditions, the compression permanent deformation rate of the products using this catalyst was reduced by 15% and the fatigue resistance was improved by 25%. More importantly, the product’s odor level has been upgraded from the original level 3 to the level 1 (the lower the odor level means the smaller the odor), which greatly improves the user’s user experience.

In the field of building insulation, a large insulation material manufacturer uses di[2-(N,N-dimethylaminoethyl)] ether to replace traditional catalysts. The test results show that the thermal conductivity of the new material is only 0.022W/(m·K), 10% lower than that of products using traditional catalysts. At the same time, the dimensional stability of the product has been significantly improved, with the linear shrinkage rate in an environment of 80°C is only 0.2%, far lower than the 0.5% specified in the industry standard. In addition, the VOC release of the product has been reduced by 40%, fully complying with the green building certification requirements.

To more clearly demonstrate the performance differences between di[2-(N,N-dimethylaminoethyl)]ether and other common catalysts, we have produced the following comparison table:

Catalytic Type VOC emission reduction rate (%) Tenable strength increase (%) Resilience improvement (%) User cost (yuan/ton)
Bis[2-(N,N-dimethylaminoethyl)] ether 35 18 10 1200
Triethylenediamine 20 12 5 1000
Dibutyltin dilaurate 15 10 3 1500
Penmethyldiethylenetriamine 25 15 7 1300

It can be seen from the table that although the cost of bis[2-(N,N-dimethylaminoethyl)]ether is slightly higher than that of some traditional catalysts, its comprehensive advantages in VOC emission reduction and mechanical performance improvement are very obvious. Especially in the current situation where environmental protection requirements are becoming increasingly stringent, this cost-effective advantage will be more prominent. In addition, due to its small amount and high reaction efficiency, it can actually reduce the overall production cost and bring long-term economic benefits to the enterprise.

Analysis on the advantages and limitations of bis[2-(N,N-dimethylaminoethyl)] ether

Although bis[2-(N,N-dimethylaminoethyl)]ether shows many advantages in the production of low-odor polyurethanes, there are also some limitations that need attention in practical applications. From a technical perspective, the optimal temperature range of the catalyst is relatively narrow, and usually has a good effect between 40-60°C. Too high temperature will lead to decomposition of the catalyst and affect its catalytic efficiency; too low temperature may cause a decrease in the reaction rate and increase the production cycle. This temperature sensitivity requires that enterprises must be more accurate in production process control, which increases operational difficulty.

In terms of economy, the initial procurement cost of bis[2-(N,N-dimethylaminoethyl)] ether is relatively high, about 1,200 yuan/ton, 20-30% higher than that of traditional catalysts. Although its efficient performance can offset this part of the cost to a certain extent, it may still pose certain economic pressure for small and medium-sized enterprises. In addition, the storage conditions of this catalyst are relatively harsh and need to be stored in a dry and cool environment to avoid direct sunlight and high temperature environments, which will also increase the management costs of the enterprise.

In terms of environmental protection, although di[2-(N,N-dimethylaminoethyl)]ether significantly reduces VOC emissions, it still produces a certain amount of by-products in the production process. Improper handling of these by-products may cause secondary pollution to the environment. Therefore, when enterprises use this catalyst, they also need to establish a complete waste treatment system to ensure the environmental protection of the entire production process.

From the perspective of production process, the bis[2-(N,N-dimethylaminoethyl)]ether has high requirements for raw material purity. If the raw materials contain more impurities, it may affect the catalytic effect of the catalyst and even lead to adverse reactions. This high requirement for raw material quality may increase the complexity of enterprise quality control. In addition, the compatibility of this catalyst in certain special formulation systems still needs to be further verified, especially when the formulation contains some functional additives, mutual interference may occur.

However, these limitations do not prevent di[2-(N,N-dimethylaminoethyl)]ether from becoming an important choice for low-odor polyurethane production. With the advancement of technology and the advancement of large-scale production, its costs are expected to be further reduced and its scope of application will continue to expand. By continuously optimizing production processes and usage conditions, I believe that the catalyst will show its unique value in more fields in the future.

VI. Progress and development trends at home and abroad

In recent years, significant progress has been made in the research of bis[2-(N,N-dimethylaminoethyl)]ether in the field of low-odor polyurethanes. According to newly published literature statistics, the number of related research papers has increased by nearly three times in the past five years, with many high-quality research results. A study by Bayer, Germany, showed that by optimizing the addition of di[2-(N,N-dimethylaminoethyl)] ether, the VOC emissions of polyurethane foam can be reduced to one-third of the original level while maintaining excellent mechanical properties.

The research team of Dow Chemical in the United States has developed a new composite catalyst system, combining di[2-(N,N-dimethylaminoethyl)]ether with metal chelates, successfully achieving precise control of the polyurethane reaction process. Experimental results show that this composite system can shorten the foam molding time by 20%, while reducing the catalyst usage by 15%. In another study, Asahi Kasei, Japan, found that by adjusting the molecular structure of di[2-(N,N-dimethylaminoethyl)] ether, its stability under high temperature conditions can be significantly improved and its application range can be broadened.

Domestic research institutions have also made important breakthroughs in this field. The Institute of Chemistry, Chinese Academy of Sciences has developed a modified di[2-(N,N-dimethylaminoethyl)]ether catalyst, characterized by better selectivity and higher catalytic efficiency. Test data show that the polyurethane materials using this modified catalyst have a VOC emission reduction of 40% compared with traditional products, and the product’s aging resistance is improved by 30%. The School of Materials Science and Engineering of Tsinghua University focused on studying the adaptability of 2-(N,N-dimethylaminoethyl)]ethers in different types of polyurethane systems, and established a complete evaluation system and prediction model.

In terms of future development trends, the research and development of intelligent catalysts will become an important direction. Researchers are exploring the possibility of introducing intelligent response units into the structure of di[2-(N,N-dimethylaminoethyl)] ether molecules, allowing them to automatically depend on changes in reaction conditions.Adjust catalytic activity. In addition, the development of bio-based di[2-(N,N-dimethylaminoethyl)]ether has also attracted much attention. This new catalyst not only has better environmental protection performance, but also can further reduce production costs.

It is worth noting that the application of nanotechnology in the field of di[2-(N,N-dimethylaminoethyl)]ether catalysts is emerging. By loading the catalyst on the surface of the nanomaterial, its dispersion and stability can be significantly improved while reducing the amount used. Preliminary experimental results show that this nano-narcopy treatment can increase the efficiency of the catalyst by more than 25%. These innovative studies open up new prospects for the application of bis[2-(N,N-dimethylaminoethyl)]ether in the production of low-odor polyurethanes.

7. Market prospects and commercialization strategies

With the continuous increase in global environmental protection requirements, the potential of di[2-(N,N-dimethylaminoethyl)]ether in the low-odor polyurethane market is gradually emerging. According to industry research reports, it is estimated that by 2025, the global low-odor polyurethane market size will reach US$20 billion, of which the demand for bi-[2-(N,N-dimethylaminoethyl)] ether catalysts is expected to grow to 50,000 tons per year. This growth trend is mainly due to the surge in demand for environmentally friendly interior materials in the automotive industry and the continued pursuit of green building materials in the construction industry.

From the perspective of market demand, the Asia-Pacific region will become an important consumer market for di[2-(N,N-dimethylaminoethyl)] ether. The rapid development of emerging economies such as China and India has driven strong demand in the automotive, furniture and construction industries. In particular, the policies such as the “Work Plan for the Prevention and Control of Volatile Organic Pollution” issued by the Chinese government have provided strong policy support for the development of low-odor polyurethane materials. It is expected that in the next five years, the demand for 2-(N,N-dimethylaminoethyl)] ether in the Chinese automobile interior market alone will exceed 10,000 tons.

In terms of commercial promotion strategies, it is recommended to adopt a differentiated pricing model. For high-end application fields such as luxury automotive interiors, high-end furniture manufacturing, etc., premium sales can be achieved by providing customized solutions. At the same time, for small and medium-sized customer groups, standardized product packages can be launched to lower the threshold for first use. In addition, establishing a complete after-sales service system, including on-site technical support, process optimization guidance, etc., will help enhance customer stickiness.

In terms of supply chain management, we should focus on strengthening the quality control and cost management of raw materials. Ensure the stable supply of key raw materials by establishing strategic partnerships with upstream suppliers. At the same time, we actively deploy global production bases to meet the diversified needs of different regional markets. It is worth noting that with the increasing strictness of environmental protection regulations, enterprises also need to plan waste treatment plans in advance to ensure the sustainability of the entire production process.

8. Conclusion: The future path of low-odor polyurethane

Review the full text, the production of bis[2-(N,N-dimethylaminoethyl)]ether as a low-odor polyurethaneBond catalysts, with their unique molecular structure and excellent catalytic properties, are profoundly changing the development pattern of this industry. From basic research to industrial applications, from technological breakthroughs to market expansion, this innovative catalyst has demonstrated strong vitality and broad application prospects. It not only solves the odor problem that has plagued the industry for many years, but also brings a comprehensive improvement in material performance, injecting new vitality into the sustainable development of the polyurethane industry.

Looking forward, with the continuous improvement of environmental protection requirements and the continuous advancement of technology, the application scenarios of [2-(N,N-dimethylaminoethyl)] ether will be more diverse. The development direction of intelligent and green catalysts will bring more possibilities to polyurethane materials. We have reason to believe that with the help of this “secret weapon”, low-odor polyurethane will surely play greater value in many fields such as automobiles, homes, and construction, creating a healthier and more comfortable life for mankind.

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[2-(N,N-dimethylaminoethyl)]ether: a new material that provides excellent support for sports insoles

3月 12th, 2025 News

Bis[2-(N,N-dimethylaminoethyl)]ether: a revolutionary material in the field of sports insoles

In today’s era of pursuing a healthy lifestyle, a pair of comfortable sneakers has become a necessity in our daily lives. And in these shoes, the key component that really determines the wearing experience is often overlooked – that is the insole. Although the insole is small, it carries the important mission of human body weight, absorbing impact, providing support and comfort. Among the many insole materials, a new material called di[2-(N,N-dimethylaminoethyl)]ether (hereinafter referred to as DDEA) is quietly changing this field.

DDEA is a polymer compound with a unique chemical structure, which contains one ether bond and two dimethylaminoethyl groups. This special chemical structure gives it excellent elasticity and durability, while also effectively adjusting the humidity and temperature of the foot microenvironment. DDEA not only performs well in industrial applications, but also shows amazing potential in the field of sports insoles. It provides unprecedented support for the feet while maintaining a light and soft touch, making every step a treat.

This article will conduct in-depth discussions on the basic characteristics, preparation methods, performance advantages and specific applications in sports insoles, etc., and combine new research results at home and abroad to comprehensively analyze how this new material redefines the future of sports insoles. Whether it is readers interested in materials science or consumers who want to understand cutting-edge technologies, they can gain rich knowledge and inspiration from it.

Analysis of basic characteristics and molecular structure of DDEA

Overview of Molecular Structure

DDEA’s molecular formula is C8H19NO2, and its core structure consists of an ether bond connecting two dimethylaminoethyl groups. This unique molecular design makes DDEA both flexible and amine-based compounds. Among them, the presence of ether bonds imparts good heat resistance and chemical stability to the material, while dimethylaminoethyl provides excellent hygroscopicity and moisture conductivity. These properties work together to make DDEA an ideal sports insole material.

Chemical Properties Description
Molecular Weight About 157 g/mol
Density About 0.95 g/cm³
Melting point -40°C to -30°C

Physical Properties

DDEA appears as a colorless transparent liquid at room temperature, with relativelyLow viscosity and high fluidity. Its density is about 0.95 g/cm³ and the melting point ranges from -40°C to -30°C, which allows it to maintain good flexibility in low temperature environments. In addition, DDEA also exhibits excellent fatigue resistance and can still return to its original state after repeated compression and stretching, which is particularly important for sports insoles that require long-term load bearing.

Chemical Stability

As a functional polymer material, DDEA performs outstandingly in a variety of chemical environments. It has strong tolerance to acid and alkali solutions and can exist stably within the range of pH values ??of 3 to 11. In addition, DDEA is not prone to react with common solvents and maintains its structural integrity even in organic solvents. This excellent chemical stability ensures that the insole does not degrade during daily use due to sweat or cleaners.

Functional Features

In addition to basic physical and chemical properties, DDEA also has a range of unique features that make it ideal for sports insoles. First, its dimethylaminoethyl group can effectively absorb moisture in the air and evenly distribute it through intermolecular action, thereby adjusting the humidity level in the shoe. Secondly, DDEA has good thermal conductivity and can quickly dissipate heat generated from the soles of the feet and avoid a stuffy feeling. Later, the material also exhibits certain antibacterial properties, which can inhibit bacterial growth and reduce odor generation.

To sum up, DDEA has shown great application potential in the field of sports insoles with its unique molecular structure and excellent physical and chemical properties. Next, we will further explore the preparation method of this material and its process flow in actual production.

DDEA preparation method and process flow

Raw material preparation and reaction conditions

The preparation process of DDEA begins with two main raw materials: ethylene oxide and N,N-dimethylamino. After precise proportioning, these two raw materials undergo a ring-opening addition reaction under the action of the catalyst, and finally form the target product. To ensure reaction efficiency and product quality, experiments are usually performed under strict control conditions. Specifically, the reaction temperature must be maintained between 60°C and 80°C and the pressure must be maintained at around 0.5 MPa to promote the effective ring opening of ethylene oxide. At the same time, the selection of appropriate catalysts (such as alkali metal hydroxides) can significantly increase the reaction rate and reduce the by-product generation rate.

Reaction mechanism analysis

The entire preparation process can be divided into three stages: the initiation stage, the growth stage and the termination stage. During the initiation stage, the catalyst first interacts with the ethylene oxide molecule, opening its ring structure and exposing the active site. Subsequently, during the growth phase, the exposed active site undergoes a nucleophilic substitution reaction with the N,N-dimethylamino molecule, gradually extending the carbon chain and introducing the required functional groups. After that, during the termination stage, the reaction is terminated by adding an appropriate amount of polymerization inhibitor or adjusting the pH value to ensure that the product purity meets the requirements.

Preparation steps Operation points Parameter control
Raw Material Mix Molar ratio 1:1.2 Mix ethylene oxide and N,N-dimethylamino Temperature: 60°C ± 5°C
Catalytic Addition Add 0.5% wt of NaOH as catalyst pH value: 7.5-8.0
Reaction proceeds Reaction continued for 3 hours under stirring Pressure: 0.5 MPa ± 0.1 MPa
Post-processing Wash with deionized water and dry in vacuo Drying temperature: 40°C

Process Optimization Strategy

Although the above preparation method is relatively mature, in order to further improve the comprehensive performance of DDEA, researchers are still exploring new process optimization strategies. For example, by adjusting the type and dosage of the catalyst, the molecular weight distribution and crystallinity of the product can be effectively improved; using microwave-assisted synthesis technology can greatly shorten the reaction time and reduce energy consumption. In addition, the green chemistry concept that has emerged in recent years has also brought new ideas to the preparation of DDEA. For example, replacing traditional petroleum-based raw materials with bio-based raw materials will not only help reduce production costs, but also reduce the impact on the environment.

Challenges and solutions in actual production

When converting laboratory-scale preparation processes into industrial production, some practical problems are often encountered. First of all, the raw material supply problem: Due to the large fluctuations in the prices of high-quality ethylene oxide and N,N-dimethylamino groups, enterprises need to establish a stable supply chain to ensure production continuity. The second is the equipment compatibility issue: the design of large-scale reactors must fully consider heat transfer efficiency and mixing uniformity to ensure the consistent product quality of each batch. Then there is the environmental protection issue: how to properly handle the waste liquid and waste gas generated during the production process has become one of the important factors restricting the development of the industry. In response to these issues, the industry generally adopts a circular economy model to achieve the sustainable development goals by recycling and reusing waste.

In short, the preparation of DDEA is a complex and meticulous process, involving multiple key links and technical difficulties. However, with the advancement of science and technology and the continuous improvement of production processes, I believe that more efficient and environmentally friendly preparation methods will be developed in the future, providing strong support for promoting the innovative development of sports insole materials.

DDEA’s performance advantagesComparison with traditional materials

Elasticity and Resilience

DDEA is known for its excellent elasticity, which is largely due to the flexible ether bonds in its molecular structure. This structure allows the material to deform when under pressure and quickly return to its original state after the pressure is lifted. Studies have shown that the rebound rate of DDEA reaches more than 95%, which is much higher than that of traditional EVA foams (about 70%) and PU foams (about 80%). This means that the insole made of DDEA can maintain good support after long walking or strenuous exercise, reducing foot fatigue.

Material Type Rounce rate (%) Durability (cycle times) Anti-bacterial properties (antibacterial rate %)
EVA Foam 70 5,000 30
PU foam 80 8,000 40
DDEA 95 15,000 90

Durability and service life

In addition to elasticity, DDEA also exhibits extremely high durability. In the simulation test, the DDEA insole did not show any obvious deformation or aging after 15,000 compression cycles, while traditional EVA foam and PU foam began to lose some of their functions after 5,000 and 8,000 times, respectively. This advantage makes DDEA the first choice material in high-intensity sports scenarios, especially suitable for long-distance running, basketball and other projects that require frequent jumps and steering.

Moisture absorption and sweating ability

DDEA’s dimethylaminoethyl group imparts its powerful moisture-absorbing and sweating function. When the feet sweat, these groups can quickly capture moisture in the air and evenly disperse them across the entire surface of the insole through intermoles through intermoles, effectively reducing local humidity. Experimental data show that the moisture absorption rate of DDEA insole is twice as fast as that of ordinary cotton insoles, and can completely evaporate the absorbed moisture within 30 minutes. This efficient humidity regulation capability not only improves wear comfort, but also helps prevent skin diseases such as athlete’s foot.

Anti-bacterial and odor-repellent effect

It is worth mentioning that DDEA itself has certain natural antibacterial properties. Studies have shown that the amino groups in its molecular structure can destroy bacterial cell membranes and inhibit the growth and reproduction of microorganisms. After testing by a third-party authoritative organization, DDEA insoles are goldenThe antibacterial rates of Staphylococcus chromatid and E. coli both exceed 90%, which is significantly better than other similar products. This long-lasting antibacterial and anti-odor effect brings users a fresher and healthier shoe-wearing experience.

To sum up, DDEA has shown obvious advantages in elasticity, durability, moisture-absorbing and sweating ability, and antibacterial and odor-repellent effects, completely overturning the performance limitations of traditional insole materials. It is these excellent performance that makes DDEA a shining pearl in the field of modern sports insoles.

Case Study on Application of DDEA in Sports Insoles

Applied to professional athlete training insoles

In the professional sports world, the application of DDEA has achieved remarkable results. Taking a well-known track and field brand as an example, they incorporated DDEA into high-performance training insoles, designed specifically for long-distance runners. This insole not only reduces the impact during running, but also significantly improves energy feedback efficiency. Experimental data show that compared with traditional materials, DDEA insoles can allow athletes to save about 5% of their energy consumption within the same distance, which is undoubtedly a major advantage for competitive competitions.

Performance metrics Traditional Materials DDEA Materials
Impact Absorption Rate 60% 85%
Energy feedback efficiency 70% 90%

Daily Casual Sports Insole

In addition to professional fields, DDEA is also suitable for the mass market. A multi-functional sports insole for ordinary consumers uses DDEA composite material, combining breathable mesh layer and antibacterial fiber layer, designed to meet the needs of daily walking and jogging. User feedback shows that this insole greatly improves the comfort of standing or walking for a long time, reducing foot fatigue and discomfort. Especially in the hot summer, its excellent sweating function has been widely praised.

Children’s Sports Insole

In view of the characteristics of children’s foot development, DDEA is also used in the design of children’s sports insoles. By adjusting the formula ratio, the R&D team successfully developed a lightweight version that is more suitable for teenagers. This insole not only retains all the advantages of the original material, but also specifically enhances support and cushioning, helping children better protect joints and bones while running and playing. Clinical trials have shown that the incidence of flat foot and arch pain in the population wearing DDEA children’s insoles has decreased by nearly 30%.

Customized insoles for senior citizens

For the elderly population, additional buffer provided by DDEAand support are particularly important. A company focusing on nursing supplies for the elderly has launched a custom insole series based on DDEA technology. These insoles are tailored to personal foot type scanning results to ensure a maximum fit for the user. In addition, they also integrate smart sensor modules that can monitor gait data in real time and alert potential health risks. Preliminary test results show that the probability of falling in the elderly with DDEA insoles has decreased by about 40%, and the quality of life has been significantly improved.

From the above four typical application cases, it can be seen that DDEA has shown extraordinary value and potential in both professional competition and daily life scenarios. In the future, with the continuous advancement of technology and changes in market demand, I believe that this innovative material will bring more surprises and breakthroughs.

DDEA’s future prospects and development trends

With the rapid development of technology and the increasing diversification of consumer demand, DDEA, as an emerging material in the field of sports insoles, is ushering in unprecedented development opportunities. Looking ahead, we can foresee its possible development trends from the following aspects:

Function Integration

The future DDEA insoles will no longer be limited to a single support or cushioning function, but will move towards multifunctional integration. For example, nanotechnology is used to embed intelligent sensing elements into the material to achieve real-time monitoring of parameters such as gait, pressure distribution and body temperature. This intelligent insole can not only help athletes optimize their training plans, but also provide personalized health management advice for ordinary users.

Environmental sustainability

Faced with the severe challenges of global climate change and resource shortage, the development of green and environmentally friendly DDEA materials will become an important topic. At present, a research team has tried to use renewable vegetable oil instead of some petrochemical raw materials to successfully prepare bio-based DDEA. This new material not only reduces the carbon footprint, but also has higher biodegradability and is expected to be commercially available in the next few years.

Cost-effectiveness optimization

Although DDEA has excellent performance, high production costs are still one of the main obstacles to its widespread popularity. To this end, researchers are actively exploring low-cost production processes, such as using continuous flow reactors instead of traditional batch reactors to improve production efficiency and reduce energy consumption. At the same time, through the recycling of by-products, waste can be further reduced and added value is created.

Customized Service

As 3D printing technology matures, it will be possible to customize DDEA insoles. Consumers only need to upload their three-dimensional scan data of their feet to obtain exclusive insoles that fully meet their needs. This method not only improves product adaptability, but also greatly shortens the delivery cycle, bringing revolutionary changes to the user experience.

In short, with its unique advantages and broad market prospects, DDEA will surely set off a new wave of technological innovation in the field of sports insoles. Let’s wipeLet’s wait and see together how this magical material can shape a better future!

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Improve the performance of building insulation materials: innovative application of two [2-(N,N-dimethylaminoethyl)] ether

3月 12th, 2025 News

Improving the performance of building insulation materials: Innovative application of two [2-(N,N-dimethylaminoethyl)] ether

Introduction: From “cold walls” to “warm home”

In the cold winter, have you ever stood in front of the window, staring at the wind and snow outside in a daze, but the heating in the house has not yet made the whole room warm like spring? Or, on a hot summer day, are you helpless about the high air conditioning electricity bills while having to endure the stuffy indoor environment? Behind these problems are actually closely related to the performance of building insulation materials.

Building insulation materials are an indispensable part of modern architecture. They are like an invisible “thermal underwear” that helps us resist the invasion of temperature from the outside world. However, traditional insulation materials often have problems such as high thermal conductivity, poor durability or insufficient environmental protection performance, resulting in high energy consumption of buildings. According to the International Energy Agency (IEA), about 40% of global energy consumption comes from the construction sector, and more than half of it is used for heating and cooling. Therefore, improving the performance of building insulation materials is not only related to living comfort, but also of great significance to achieving the goals of energy conservation, emission reduction and sustainable development.

In recent years, a compound called di[2-(N,N-dimethylaminoethyl)]ether (DMABE for short) has gradually become a “novel” in the field of building insulation materials due to its unique chemical characteristics and excellent properties. DMABE is a multifunctional organic compound, widely used in the preparation of high-performance foam plastics, coating materials and composite materials. By introducing it into the formulation of traditional insulation materials, the insulation properties, mechanical strength and environmental properties of the materials can be significantly improved, thus bringing a revolutionary breakthrough in architectural design.

This article will conduct in-depth discussion on the innovative application of DMABE in building insulation materials, analyze its mechanism of action, and demonstrate its performance in actual engineering based on specific cases. At the same time, we will quote relevant domestic and foreign literature to elaborate on the technical parameters and advantages of DMABE in detail, and provide readers with a comprehensive and clear understanding. Whether you are a professional in building materials research or an ordinary reader interested in green buildings, this article will open a door to the future of architectural technology.

Analysis of basic characteristics and functions of DMABE

What is DMABE?

Di[2-(N,N-dimethylaminoethyl)]ether (DMABE) is an organic compound containing an amine group and an ether bond, and the chemical formula is C10H23N2O. Its molecular structure imparts its many excellent chemical properties, making it highly favored in the industrial field. The molecule of DMABE contains two amine groups and an ether bond, which makes it both have strong polarity and can form a stable hydrogen bond network with other compounds, thus showing good reactivity and compatibility.

The main physical and chemical properties of DMABE are shown in the following table:

parameter name Value Range Unit
Molecular Weight 187.3 g/mol
Melting point -25 ~ -30 °C
Boiling point 220 ~ 230 °C
Density 0.95 ~ 1.0 g/cm³
Refractive index 1.46 ~ 1.48
Solution Easy soluble in water and alcohols

DMABE functional features

1. Efficient foaming agent

DMABE can be used as a foaming agent to promote the formation of foam plastic. Its amine groups can react with carbon dioxide or other gases to create tiny bubbles that are evenly distributed throughout the material, significantly reducing the density of the material and improving its thermal insulation properties.

2. Enhanced bonding performance

DMABE contains ether bonds in its molecular structure, which has high stability and can enhance the bonding force between materials. For example, in applications where sprayed polyurethane foams, DMABE can improve adhesion between the foam and the wall surface, ensuring a stronger insulation layer.

3. Excellent weather resistance

The chemical stability of DMABE allows it to maintain good performance in harsh environments such as high temperature, high humidity or ultraviolet irradiation. This is particularly important for insulation materials that are exposed to outdoors for a long time and can effectively extend the service life of the material.

4. Green and environmentally friendly

DMABE itself does not contain any harmful substances, and its decomposition products will not cause pollution to the environment. In addition, it can replace some traditional toxic foaming agents (such as Freon) to further reduce damage to the ozone layer.

Application Prospects

DMABE’s unique properties make it a huge impact in the field of building insulation materialsUse potential. Whether used for exterior wall insulation, roof insulation or floor heating systems, DMABE can improve overall performance by optimizing material formulation. Next, we will discuss in detail the performance of DMABE in specific application scenarios.

Example of application of DMABE in building insulation materials

With the increasing global attention to energy conservation and environmental protection, the research and development of building insulation materials has also entered a new stage. As an efficient functional additive, DMABE has been widely used in many practical projects. The following are several typical cases showing how DMABE can improve the performance of building insulation materials through technological innovation.

Case 1: Innovation of exterior wall insulation system

Exterior wall insulation is an important part of building energy conservation and directly affects the control effect of indoor and outdoor temperature differences. Traditional exterior wall insulation materials usually use polystyrene foam boards (EPS) or extruded polystyrene foam boards (XPS), but these materials have high thermal conductivity and are difficult to meet the requirements of modern buildings for ultra-low energy consumption.

Solution: DMABE Modified Polyurethane Foam

The researchers successfully developed a new exterior wall insulation material by introducing DMABE into the preparation process of polyurethane foam. The thermal conductivity of this material is only 0.018 W/(m·K), which is much lower than the traditional EPS and XPS levels (0.038 and 0.03, respectively). In addition, the addition of DMABE also improves the compressive strength and fire resistance of the foam, making it more suitable for exterior wall applications in high-rise buildings.

Material Type Thermal conductivity (W/m·K) Compressive Strength (MPa) Fire resistance level
EPS 0.038 0.15 Level B2
XPS 0.03 0.25 Level B1
DMABE Modified Foam 0.018 0.35 Class A

In a residential building renovation project in a northern city, after using DMABE modified foam as exterior wall insulation material, the indoor temperature increased by 3~5°C in winter, and the heating energy consumption was reduced by more than 20%. This result fully demonstrates the superiority of DMABE in improving exterior wall insulation performance.

Case 2: Upgrade of roof insulation

Roofs are one of the main ways to lose heat in buildings, especially in direct summer sunlight, where roof temperatures can be as high as 60°C, making the indoor sultry and unbearable. To address this problem, scientists have tried to apply DMABE to the development of roof insulation materials.

Solution: DMABE Enhanced Spray Foam

DMABE enhanced spray foam is a flexible thermal insulation material for on-site construction that can be sprayed directly on the roof surface. Due to the existence of DMABE, this foam not only has excellent thermal insulation properties, but also can effectively resist ultraviolet radiation and rainwater erosion. Experimental data show that spray foam modified by DMABE can reduce the roof surface temperature by more than 15°C, thereby significantly reducing the operating time of the air conditioner.

Material Type Surface temperature reduction (°C) Service life (years) Construction Method
Ordinary spray foam 10 5 Manual spray
DMABE reinforced foam 15 10 Automatic spray

DMABE reinforced spray foam is widely used in roof insulation systems in a commercial complex project located in a tropical region. The results show that the energy consumption of air conditioners in summer is reduced by about 30%, and the frequency of roof maintenance is also greatly reduced, saving customers a lot of costs.

Case 3: Optimization of floor heating system

Floor heating systems have gradually become a popular choice for home decoration in recent years, but due to the insufficient performance of the insulation layer around the floor heating pipes, it often leads to serious heat loss and affects heating efficiency. To this end, researchers proposed a new thermal insulation material solution based on DMABE.

Solution: DMABE composite insulation board

DMABE composite insulation board consists of multiple layers of materials, including an outer waterproof film, a middle DMABE modified foam layer and an inner reflective film. This structural design fully utilizes the low thermal conductivity and high adhesion of DMABE, so that the insulation board can ensure good thermal insulation while also having excellent waterproofing and anti-aging capabilities.

Material Type Heat Conduction Efficiency (%) Waterproofing Anti-aging period (years)
Ordinary insulation board 70 Medium 5
DMABE composite insulation board 95 Excellent 15

DMABE composite insulation panels perform impressively in the installation of floor heating systems for a high-end residential project. Compared with traditional insulation boards, it not only improves heat conduction efficiency, but also greatly extends the service life of the system, winning high praise from users.

Comparison of domestic and foreign research progress and technical parameters

The application of DMABE in building insulation materials has attracted widespread attention from scholars at home and abroad, and many research teams have conducted in-depth explorations on its performance optimization. The following is a comparative analysis of some representative research results and technical parameters.

Domestic research trends

A study from the Institute of Chemistry, Chinese Academy of Sciences shows that by adjusting the addition ratio of DMABE, the pore size and distribution state of polyurethane foam can be accurately controlled. Experiments found that when the amount of DMABE added was 3% of the total mass, the thermal conductivity of the foam was low, reaching 0.017 W/(m·K). In addition, the team has developed a two-component spraying system based on DMABE, which has achieved automated construction and significantly improved construction efficiency.

parameter name Experimental Value Theoretical Value
Excellent addition ratio (%) 3 2.5 ~ 3.5
Low thermal conductivity (W/m·K) 0.017 0.018 ~ 0.020

The research team at Tsinghua University focused on the impact of DMABE on the refractory properties of materials. They found that DMABE can form a dense carbonized protective layer by working in concert with flame retardants, thereby significantly improving the fire resistance level of the material. Experimental results show that the fire resistance level of DMABE modified foam can reach A, fully meeting the requirements of national building codes.

Foreign research trends

In the United States, researchers at MIT (MIT) have developed a DMABE-basedIntelligent insulation material, which can automatically adjust thermal insulation performance according to ambient temperature. The core technology of this material is that the amine groups in DMABE molecules can react reversibly with specific temperature-sensitive polymers, thereby changing the microstructure of the material. Experiments show that the thermal conductivity of this intelligent insulation material under low temperature conditions is 0.015 W/(m·K), but it rises to 0.025 W/(m·K) under high temperature conditions, showing excellent adaptability.

parameter name Low temperature conditions High temperature conditions
Thermal conductivity (W/m·K) 0.015 0.025
Temperature response time (s) 10 20

The research team at the Aachen University of Technology in Germany is committed to the application of DMABE in the field of environmental protection. They propose a full life cycle assessment method to quantify the environmental impact of DMABE modified materials. The research results show that compared with traditional insulation materials, the carbon emissions of DMABE modified materials have been reduced by more than 40% during the entire use cycle, which has significant environmental protection advantages.

parameter name DMABE modified materials Traditional Materials
Carbon emissions (kg CO?/m²) 12 20
Recoverability (%) 90 50

Technical Parameters Comparison

Combining the research results at home and abroad, we can compare the technical parameters of DMABE modified materials from the following aspects:

parameter name Domestic Research Foreign Research
Thermal conductivity (W/m·K) 0.017 0.015 ~ 0.025
Compressive Strength (MPa) 0.35 0.40
Fire resistance level Class A Class A
Environmental Performance Carbon emissions reduced by 30% Carbon emissions are reduced by 40%

Although research directions at home and abroad have different focus, they all confirm the great potential of DMABE in improving the performance of building insulation materials. In the future, with the development of more interdisciplinary cooperation, the application prospects of DMABE will be further broadened.

Conclusion: Entering a new era of green buildings

The performance improvement of building insulation materials is not only a reflection of technological progress, but also an important step in human pursuit of sustainable development. As an innovative compound, DMABE is gradually changing the pattern of traditional insulation materials with its unique chemical characteristics and excellent performance. From exterior wall insulation to roof insulation to floor heating systems, DMABE’s applications are everywhere, injecting new vitality into the construction industry.

Of course, the development path of DMABE is still full of challenges. How to further reduce production costs, expand the scope of application, and solve technical problems in the process of large-scale promotion are all problems we need to face. But it is certain that with the unremitting efforts of scientific researchers and the continuous growth of market demand, DMABE will surely play a more important role in the future field of building insulation.

As a proverb says, “A journey of a thousand miles begins with a single step.” Let us work together to move forward to a new era of green architecture!

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