Post-ripening catalyst TAP: The path to realize low-odor polyurethane products
Introduction
Polyurethane (PU) materials have become one of the indispensable materials in modern industry due to their excellent physical properties and wide application fields. However, traditional polyurethane products are often accompanied by strong odors during production and use, which not only affects the user experience, but also can cause potential harm to the environment and human health. To solve this problem, the post-matured catalyst TAP (Triazine-based Amine Polyol) came into being. By optimizing the maturation process of polyurethane, the TAP catalyst significantly reduces the volatile organic compounds (VOCs) content in the product, thereby achieving the production of low-odor polyurethane products.
This article will introduce in detail the working principle, product parameters, application fields of post-curing catalyst TAP and its specific path in realizing low-odor polyurethane products. Through rich forms and easy-to-understand language, readers can fully understand the technical advantages and application prospects of TAP catalysts.
1. Working principle of post-ripening catalyst TAP
1.1 Overview of the polyurethane maturation process
The process of maturation of polyurethane refers to the process in which the polyurethane prepolymer undergoes chemical reaction with polyols, isocyanates and other raw materials under the action of a catalyst to form the final product. The quality of the maturation process directly affects the physical properties, chemical stability and odor characteristics of polyurethane products.
1.2 Mechanism of action of TAP catalyst
TAP catalyst is an amine polyol catalyst based on triazine structure. Its main mechanisms of action include:
- Accelerating the reaction rate: TAP catalyst can significantly increase the reaction rate of polyurethane prepolymers with polyols and isocyanates, and shorten the maturation time.
- Reduce the reaction temperature: TAP catalyst can play a catalytic role at a lower temperature, reducing the volatile organic compounds generated during high-temperature maturation.
- Optimize molecular structure: TAP catalyst optimizes the cross-linking structure of polyurethane molecules by regulating the reaction path, reducing the occurrence of side reactions, thereby reducing the odorous substances in the product.
1.3 Advantages of TAP catalysts
Compared with traditional catalysts, TAP catalysts have the following significant advantages:
- Low Odor: TAP catalyst significantly reduces the volatile organic compound content in polyurethane products by optimizing the maturation process, realizing the production of low-odor products.
- Efficiency: TAP catalyst can play an efficient catalytic role at lower temperatures, shortening maturation time and improving production efficiency.
- Environmentality: TAP catalyst itself is non-toxic and harmless, meets environmental protection requirements, and reduces environmental pollution during production.
2. Product parameters of post-ripening catalyst TAP
2.1 Physical Properties
| parameter name | Value Range | Unit |
|---|---|---|
| Appearance | Colorless to light yellow liquid | – |
| Density (20?) | 1.05-1.15 | g/cm³ |
| Viscosity (25?) | 100-200 | mPa·s |
| Flashpoint | >100 | ? |
| Solution | Easy soluble in water and alcohols | – |
2.2 Chemical Properties
| parameter name | Value Range | Unit |
|---|---|---|
| pH value (1% aqueous solution) | 8.5-9.5 | – |
| Active ingredient content | ?95% | % |
| Volatile organic compounds content | <1% | % |
2.3 Catalytic properties
| parameter name | Value Range | Unit |
|---|---|---|
| Catalytic Efficiency | 90-95% | % |
| Mature Time | 30-60 | min |
| Mature temperature | 50-80 | ? |
3. Application fields of post-mature catalyst TAP
3.1 Car interior
The odor requirements for automobile interior materials are extremely strict. TAP catalysts significantly improve the odor characteristics of automobile interior by reducing the content of volatile organic compounds in polyurethane products and enhance the user’s driving experience.
3.2 Furniture Manufacturing
The polyurethane foam materials used in furniture manufacturing are often accompanied by strong odors. The application of TAP catalysts effectively reduces the odor in furniture products and improves the environmental protection and comfort of the products.
3.3 Building Materials
In building insulation materials, the widespread use of polyurethane foam has brought odor problems. By optimizing the maturation process, TAP catalyst reduces the volatile organic compounds content in building materials and improves the air quality of the building environment.
3.4 Shoe material manufacturing
The polyurethane materials used in shoe material manufacturing have high requirements for odor and comfort. The application of TAP catalysts has significantly reduced the odor in shoe material products and improved the market competitiveness of the products.
IV. Specific path of post-ripening catalyst TAP in realizing low-odor polyurethane products
4.1 Raw material selection and pretreatment
In the production process of polyurethane products, the selection and pretreatment of raw materials are important factors affecting the odor of the product. The application of TAP catalyst requires that the raw materials have a low volatile organic compound content and further reduce the odor substances in the raw materials through the pretreatment process.
4.2 Optimization of maturation process
TAP catalysts significantly reduce the volatile organic compound content in polyurethane products by optimizing the maturation process parameters such as temperature, time and catalyst dosage. Specific optimization paths include:
- Temperature Control: Control the maturation temperature within the range of 50-80? to reduce the volatile organic compounds generated during high-temperature maturation.
- Time Control: Control the maturation time to 30-60 minutes to ensure that the reaction is fully carried out while avoiding the occurrence of side reactions caused by excessive maturation time.
- Catalytic Dosage: According to specific product requirements, the amount of TAP catalyst should be adjusted reasonably to ensure catalytic efficiency while avoiding odor problems caused by excessive use.
4.3 Post-treatment process
After the maturation of the polyurethane product is completed, the volatile organic compound content in the product is further reduced through the post-treatment process. Specific post-treatment processes include:
- Vacuum degassing: Through the vacuum degassing process, the residual volatile organic compounds in the product are removed.
- Heat Treatment: Through the heat treatment process, the content of odor substances in the product can be further reduced.
- Surface treatment: Reduce the release of volatile organic compounds on the product surface through surface treatment processes such as spraying, coating, etc.
4.4 Quality Control and Inspection
In the production process of polyurethane products, quality control and testing are the key links to ensure the low odor characteristics of the product. The application of TAP catalysts requires the establishment of a strict quality control system and the content of volatile organic compounds in the product meets relevant standards through advanced testing methods.
5. Market prospects of post-ripening catalyst TAP
5.1 Market demand analysis
With the increase in environmental awareness and the increase in consumer requirements for product odor, the market demand for low-odor polyurethane products is growing. As an efficient and environmentally friendly catalyst, TAP catalyst has broad market prospects.
5.2 Technology development trends
In the future, the technological development trend of TAP catalysts will mainly focus on the following aspects:
- Efficiency Improvement: By optimizing the catalyst structure and formulation, the catalytic efficiency of TAP catalysts can be further improved and the maturation time will be shortened.
- Environmental protection enhancement: By developing new environmentally friendly raw materials, reduce environmental pollution in the production process of TAP catalysts.
- Application Field Expansion: Through technological improvement and innovation, expand the application of TAP catalysts in more fields, such as medical devices, electronic materials, etc.
5.3 Analysis of competitive landscape
At present, the TAP catalyst market is still in its development stage, and many domestic and foreign companies have begun to deploy related technologies and products. In the future, with the continuous advancement of technology and the growth of market demand, the competition in the TAP catalyst market will become increasingly fierce.
VI. Conclusion
The post-curing catalyst TAP significantly reduces the volatile organic compound content in the product by optimizing the maturation process of polyurethane, realizing the production of low-odor polyurethane products. TAP catalysts have significant advantages such as high efficiency, environmental protection, and low odor., widely used in automotive interior, furniture manufacturing, building materials and shoe material manufacturing. In the future, with the continuous advancement of technology and the growth of market demand, TAP catalysts will play an increasingly important role in the field of polyurethane materials, promoting the widespread application of low-odor polyurethane products.
Through the detailed introduction of this article, I believe that readers have a comprehensive understanding of the working principle, product parameters, application fields of post-mature catalyst TAP and its specific path in realizing low-odor polyurethane products. I hope this article can provide valuable reference for technicians and decision makers in relevant industries and promote the technological progress and market development of low-odor polyurethane products.
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