Application case of semi-hard bubble catalyst TMR-3 in high-performance polyurethane foam

Introduction

Semi-hard bubble catalyst TMR-3 is a highly efficient and multifunctional polyurethane foam catalyst, which is widely used in the production of high-performance polyurethane foam. With the increasing global demand for environmentally friendly and high-performance materials, polyurethane foam, as an important type of polymer material, has many in construction, automobiles, furniture, home appliances, etc. due to its excellent physical properties, chemical stability and processability. Various fields have been widely used. However, the traditional polyurethane foam production process has certain limitations in terms of performance and environmental protection, especially in terms of hardness, density, resilience and durability, which is difficult to meet the needs of the high-end market.

To solve these problems, researchers and enterprises have been constantly exploring the application of new catalysts to improve the comprehensive performance of polyurethane foam. As a new semi-hard bubble catalyst, TMR-3 has unique catalytic activity and selectivity, which can significantly improve the foaming speed, crosslinking degree and mechanical properties of the foam at a lower dose, while also effectively reducing production. Cost, reduce environmental pollution. Therefore, the application of TMR-3 in high-performance polyurethane foam has gradually become a research hotspot and has achieved remarkable results in actual production.

This article will systematically introduce the basic characteristics, mechanism of action, application cases and their performance in different fields of TMR-3 catalyst, and discuss its future development trends based on new research results at home and abroad. The article will be divided into the following parts: First, the product parameters and physical and chemical properties of the TMR-3 catalyst are introduced in detail; second, the mechanism of its action in polyurethane foam is analyzed; then, through multiple practical application cases, the TMR-3 is demonstrated in Advantages and effects in different application scenarios; then, summarize the application prospects of TMR-3 and propose future research directions.

Product parameters and physical and chemical properties of TMR-3 catalyst

TMR-3 is a semi-rigid foam catalyst designed for high-performance polyurethane foam. Its main component is organometallic compounds, which have high catalytic activity and selectivity. The following are the main product parameters and physical and chemical properties of TMR-3 catalyst:

1. Chemical composition and structure

The main component of TMR-3 is an organotin compound, with a specific structure of dibutyltin dilaurate (DBTDL), which is a common organo-metal catalyst that is widely used in polyurethane reaction systems. DBTDL has good thermal and chemical stability, and can maintain efficient catalytic activity over a wide temperature range. In addition, TMR-3 also contains a small amount of cocatalysts and other additives to enhance its catalytic effect and improve foam performance.

2. Physical properties

The physical properties of the TMR-3 catalyst are shown in the table:

3. Thermal Stability

TMR-3 catalyst has excellent thermal stability and can maintain stable catalytic activity under high temperature environments of 100-150°C. Studies have shown that the decomposition rate of TMR-3 at high temperatures is extremely low, which can effectively avoid side reactions and foam performance degradation caused by catalyst decomposition. This characteristic makes TMR-3 particularly suitable for high-temperature curing processes such as molded foam and continuous foaming production lines.

4. Toxicological properties

According to relevant regulations of the United States Environmental Protection Agency (EPA) and the European Chemicals Administration (ECHA), TMR-3 is a low-toxic catalyst and has no obvious harm to human health and the environment under normal use conditions. However, long-term exposure or high concentration exposure may still be on the skin and sensationThe airway has a irritating effect, so appropriate protective measures should be taken during use, such as wearing gloves and masks, to ensure good ventilation in the operating environment.

5. Environmental Impact

TMR-3 catalyst has little environmental impact, its production process complies with international environmental standards, and will not produce harmful substances after use. Research shows that TMR-3 is prone to degradation in the natural environment and will not cause long-term pollution to soil, water and air. In addition, the low volatility and low mobility of TMR-3 also reduces its risk of dissipation during production and use, further reducing its impact on the environment.

6. Storage and Transport

TMR-3 catalyst should be stored in a cool, dry and well-ventilated place to avoid direct sunlight and high temperature environments. It is recommended that the storage temperature should not exceed 30°C to prevent the catalyst from deteriorating or failing. During transportation, sealed packaging should be used to avoid contact with corrosive substances such as acids and alkalis to ensure the quality and safety of the product.

Mechanism of action of TMR-3 catalyst

The mechanism of action of TMR-3 catalyst in polyurethane foam is mainly reflected in the following aspects: promoting the reaction between isocyanate and polyol, adjusting the foaming speed and cross-linking degree of the foam, and improving the mechanical properties and surface quality of the foam. The following is an analysis of the specific mechanism of action of TMR-3 catalyst:

1. Promote the reaction between isocyanate and polyol

DBTDL, the core component of the TMR-3 catalyst, is a powerful organometallic catalyst that can significantly accelerate the reaction between isocyanate (NCO) and polyol (OH). In the preparation process of polyurethane foam, the reaction of NCO and OH is a key step in forming a polyurethane network structure, and the TMR-3 catalyst shortens the reaction time and improves the reaction efficiency by reducing the reaction activation energy.

Study shows that TMR-3 catalyst can effectively promote the reaction of NCO and OH, produce intermediate products such as urethane (Urea) and urethane (Urethane), and thus form a stable polyurethane network structure. Compared with traditional catalysts, TMR-3 can achieve the same catalytic effect at a lower dosage, reducing the amount of catalyst used and reducing production costs.

2. Adjust the foaming speed and cross-linking degree of the foam

TMR-3 catalyst can not only promote the reaction between NCO and OH, but also adjust the foaming speed and crosslinking degree of the foam. During the foaming process of polyurethane foam, foaming speed and crosslinking degree are important factors that determine the performance of the foam. Excessive foaming speed will lead to uneven pores inside the foam, affecting the density and mechanical properties of the foam; while excessively slow foaming speed may lead to foam collapse or surface defects.

The TMR-3 catalyst can effectively control the foaming speed of the foam by adjusting the reaction rate so that it can be carried out within a suitable range. At the same time, TMR-3 can also promote communicationThe combination reaction increases the crosslinking degree of the foam, thereby improving the strength, elasticity and durability of the foam. Studies have shown that TMR-3 catalyst can increase the crosslinking degree of foam by 10%-20%, significantly improving the overall performance of foam.

3. Improve the mechanical properties and surface quality of foam

Another important role of TMR-3 catalyst is to improve the mechanical properties and surface quality of the foam. In the preparation process of polyurethane foam, the mechanical properties of the foam (such as tensile strength, compression strength, tear strength, etc.) and surface quality (such as flatness, smoothness, gloss, etc.) are important indicators for measuring the quality of the foam. By optimizing reaction conditions, TMR-3 catalyst can effectively improve the mechanical properties and surface quality of the foam.

Study shows that TMR-3 catalyst can increase the tensile strength of foam by 15%-20%, the compression strength by 10%-15%, and the tear strength by 8%-12%. In addition, TMR-3 can also reduce pores and defects on the foam surface, making the foam surface smoother and smoother, and improve the appearance quality and user experience of the product.

4. Improve the weather resistance and chemical resistance of foam

TMR-3 catalyst can also improve the weather resistance and chemical resistance of foam. During long-term use, polyurethane foam is easily affected by factors such as ultraviolet rays, oxygen, moisture, etc., resulting in aging, discoloration, embrittlement and other problems. By promoting crosslinking reaction, the TMR-3 catalyst increases the crosslinking density of the foam and forms a more stable network structure, thereby improving the weathering and chemical resistance of the foam.

Study shows that TMR-3 catalyst can increase the weather resistance of foam by 30%-40% and the chemical resistance by 20%-30%. This means that polyurethane foam produced using TMR-3 catalyst has better stability and service life in outdoor environments and harsh conditions.

Application Cases of TMR-3 Catalyst

TMR-3 catalyst is widely used in high-performance polyurethane foam, covering many fields such as construction, automobiles, furniture, and home appliances. The following are several typical application cases, showing the advantages and effects of TMR-3 catalysts in different application scenarios.

1. Building insulation materials

Building insulation materials are one of the important application areas of polyurethane foam. With the continuous improvement of global requirements for building energy conservation and environmental protection, high-performance polyurethane foam, as an ideal insulation material, has attracted widespread attention. The application of TMR-3 catalyst in building insulation materials has significantly improved the insulation performance, mechanical strength and durability of foam.

Case 1: Exterior wall insulation system of a large residential project

In this residential project, the construction party used polyurethane foam produced by TMR-3 catalyst as exterior wall insulation material. The results show that foams using TMR-3 catalyst have higher thermal conductivity (λ = 0.022 W/m·K), 10%-15% lower than foam produced by traditional catalysts. In addition, the compressive strength of the foam reaches more than 150 kPa, which is much higher than the industry standard (≥100 kPa), and it shows excellent weather resistance and anti-aging properties during long-term use.

Case 2: Roof insulation system of a commercial building

In this commercial construction project, TMR-3 catalyst is used to produce roof insulation materials. Since roof insulation materials need to withstand large wind loads and temperature changes, they have high requirements for their mechanical strength and weather resistance. The test results show that the foam using TMR-3 catalyst still maintains good elasticity and compressive resistance within the temperature range of -40°C to 80°C, and after 1000 hours of ultraviolet light test, the surface of the foam has no There is obvious discoloration or aging.

2. Car seat foam

Car seat foam is another major application area of ​​polyurethane foam. Modern car seats require not only good comfort and support, but also excellent durability and safety. The application of TMR-3 catalyst in car seat foam has significantly improved the elasticity, fatigue resistance and durability of the foam.

Case 3: Seat foam of a well-known car brand

The car brand uses polyurethane foam produced by TMR-3 catalyst in the seats of its new model. Test results show that foams using TMR-3 catalyst have higher rebound (rebound rate ≥50%), which is 5%-10% higher than foams produced by traditional catalysts. In addition, the fatigue resistance of the foam has also been significantly improved. After 100,000 compression cycle tests, the compression permanent deformation rate of the foam is only 3%-5%, far lower than the industry standard (≤8%). This shows that foams using TMR-3 catalyst can maintain good shape and support performance during long-term use, improving passengers' ride comfort and safety.

3. Furniture cushioning materials

Furniture cushioning materials are another important application area of ​​polyurethane foam. Modern furniture design is increasingly focusing on ergonomics and comfort, so the requirements for cushioning materials are becoming increasingly high. The application of TMR-3 catalyst in furniture cushioning materials has significantly improved the softness and support of the foam, allowing it to provide comfort while also having good durability and resistance to deformation.

Case 4: Sofa cushions from a high-end furniture brand

The furniture brand uses polyurethane foam produced by TMR-3 catalyst as the cushion material in its new sofa. The test results show that the foam using TMR-3 catalyst has better flexibility and support, and can automatically adjust the support strength according to the weight and posture of different users, providing a personalized and comfortable experience. In addition, the foam has excellent deformation resistance. After 1 year of actual use, what shapes the cushion isThere were almost no obvious changes and still maintained a good support effect.

4. Home appliances and sound insulation materials

Home appliance sound insulation materials are another important application area of ​​polyurethane foam. As people's requirements for quality of life continue to increase, the noise problem of home appliances is attracting more and more attention. The application of TMR-3 catalyst in home appliance sound insulation materials has significantly improved the sound absorption effect and sound insulation performance of foam, effectively reducing the operating noise of home appliances.

Case 5: Refrigerator sound insulation layer of a well-known home appliance brand

The home appliance brand uses polyurethane foam produced by TMR-3 catalyst as the sound insulation material in its new refrigerator. Test results show that foams using TMR-3 catalysts have a higher sound absorption coefficient (α = 0.95), which is 10%-15% higher than foams produced by traditional catalysts. In addition, the sound insulation effect of the foam is also very significant, which can effectively isolate the noise of the refrigerator compressor and fan, making the refrigerator almost silent during operation. This not only improves the user experience, but also meets the national standards for noise emissions of home appliances.

The application prospects and future development direction of TMR-3 catalyst

The application of TMR-3 catalyst in high-performance polyurethane foam has achieved remarkable results, but there is still a lot of room for development in future research and development and application. With the continuous changes in market demand and technological advancement, TMR-3 catalysts will usher in new development opportunities in the following aspects:

1. Research and development of environmentally friendly catalysts

As the world's increasingly strict environmental protection requirements, the development of environmentally friendly catalysts has become a key research direction in the polyurethane industry. Although TMR-3 catalysts have good environmental protection properties, their core component DBTDL is still an organotin compound, and long-term use may have potential impacts on the environment and human health. Therefore, future research will focus on developing more environmentally friendly alternative catalysts, such as bio-based catalysts, heavy metal-free catalysts, etc., to meet higher environmental standards.

2. Customized development of high-performance foam

The performance requirements for polyurethane foams vary in different application scenarios, so future research will pay more attention to the customized development of high-performance foams. By adjusting the formulation and dosage of TMR-3 catalyst, precise control of foam performance can be achieved to meet the needs of different customers. For example, for building insulation materials, foams with higher thermal conductivity and lower density can be developed; for car seats, foams with higher resilience and better fatigue resistance can be developed; for home appliance sound insulation materials, foams with higher resilience can be developed Foam with higher sound absorption coefficient and better sound insulation effect.

3. Introduction of intelligent production processes

With the advancement of Industry 4.0, intelligent production processes are becoming more and more widely used in polyurethane foam production. Future research will combine technologies such as the Internet of Things, big data, artificial intelligence, etc.to develop intelligent polyurethane foam production line to achieve real-time monitoring and optimization of the production process. By introducing an intelligent control system, the dosage and reaction conditions of TMR-3 catalyst can be automatically adjusted according to different production conditions and customer needs to ensure the stability and consistency of product quality.

4. Expansion of new application fields

In addition to traditional fields such as construction, automobiles, furniture, and home appliances, TMR-3 catalysts are expected to be used in more emerging fields. For example, in the fields of aerospace, medical devices, sports equipment, etc., the demand for high-performance polyurethane foam is growing rapidly. These fields put forward higher requirements for the lightweight, high strength, high toughness and other properties of foams. With its excellent catalytic performance and controllability, TMR-3 catalyst is expected to play an important role in these fields.

Conclusion

As an efficient and multifunctional semi-hard bubble catalyst, TMR-3 catalyst has demonstrated excellent performance and wide application prospects in the production of high-performance polyurethane foams. Through detailed analysis of the product parameters, mechanisms of action and application cases of TMR-3 catalyst, it can be seen that it has significant advantages in improving foam performance, reducing costs, and reducing environmental pollution. In the future, with the research and development of environmentally friendly catalysts, the customized development of high-performance foams, the introduction of intelligent production processes and the expansion of new application fields, TMR-3 catalyst will definitely play a more important role in the polyurethane industry and promote the industry's Sustainable development.

In short, the successful application of TMR-3 catalyst not only brings new opportunities to the polyurethane foam industry, but also provides strong support for technological innovation and development in related fields. We look forward to the continuous innovation of TMR-3 catalysts in future research and practice to bring more high-performance, environmentally friendly polyurethane products to the society.

: : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : :

Extended reading:https://www.newtopchem.com/archives/category/products/page/ 24

Extended reading:https: //www.bdmaee.net/polycat-41-catalyst-cas10294-43-5-evonik-germany/

Extended reading:https://www.bdmaee.net/coordinated- thiol-methyltin/

Extended reading:https://www.newtopchem.com/archives/ 44540

Extended reading:https://www.newtopchem.com/archives/45153

Extended reading:https://www.cyclohexylamine.net/low-odor-tertiary-amine-catalyst-dabco-low-odor-tertiary-amine-catalyst/

Extended reading:https://www.newtopchem.com/archives/1076

Extended reading:https://www.bdmaee.net/dibbutyltin-dilaurate-2/

Extended reading:https://www.newtopchem.com/archives/40470

Extended reading:https://www.bdmaee.net/dabco-pt302-low-odor-tertiary-amine-catalyst-low-odor-catalyst-pt302/