The key position of PU soft foam amine catalysts in thermal insulation material manufacturing: improving thermal insulation performance and reducing costs

Introduction

Polyurethane (PU) soft foam materials occupy an important position in the manufacturing of thermal insulation materials due to their excellent thermal insulation properties, lightweight and easy workability. As a key additive in the production process, PU soft foam amine catalyst can not only significantly improve the insulation performance of the material, but also effectively reduce production costs. This article will discuss in detail the key role of PU soft foam amine catalyst in thermal insulation material manufacturing, and analyze how it can improve thermal insulation performance and reduce costs by optimizing the reaction process and improving the material structure.

1. Basic concepts of PU soft foam amine catalyst

1.1 What is PU soft foam amine catalyst?

PU soft foam amine catalyst is a chemical additive used in polyurethane foaming reaction. Its main function is to accelerate the reaction between isocyanate and polyol, and promote the formation and stability of bubbles. Common PU soft amine catalysts include tertiary amine compounds, metal organic compounds, etc.

1.2 Classification of PU soft foam amine catalysts

According to chemical structure and mechanism of action, PU soft foam amine catalysts can be divided into the following categories:

Category	Representative compounds	Main Function
Term amine catalysts	Triethylamine, dimethylcyclohexylamine	Promote the reaction of isocyanate with polyols
Metal Organocatalyst	Stannous octanoate, dibutyltin dilaurate	Promote bubble formation and stability
Composite Catalyst	Mixture of tertiary amine and metal organic compounds	Comprehensive Performance Optimization

2. The role of PU soft foam amine catalyst in the manufacturing of thermal insulation materials

2.1 Improve thermal insulation performance

PU soft foam amine catalyst can significantly improve the thermal insulation performance of the insulation material by optimizing the foaming reaction. Specifically manifested in the following aspects:

2.1.1 Promote uniform distribution of bubbles

The catalyst can accelerate the reaction between isocyanate and polyol, so that the bubbles are evenly distributed in the material, forming a fine bubble structure. This structure can effectively block the transfer of heat and improve the insulation performance of the material.

2.1.2 Improve the closed porosity rate

Closed porosity is an important indicator for measuring the thermal insulation performance of thermal insulation materials. PU soft foam amine catalyst energyIt can promote the formation of closed pores and reduce the number of open pores, thereby improving the closed pore rate of the material and enhancing the thermal insulation effect.

2.2 Reduce production costs

PU soft foam amine catalyst can effectively reduce production costs while improving thermal insulation performance. Specifically manifested in the following aspects:

2.2.1 Shorten the reaction time

Catalytics can significantly accelerate foaming reactions, shorten production cycles, improve production efficiency, and thus reduce production costs per unit product.

2.2.2 Reduce raw material usage

By optimizing the reaction process, the catalyst can reduce the amount of isocyanate and polyols and reduce the cost of raw materials. At the same time, the use of catalysts can also reduce waste rate and further reduce production costs.

3. Selection and optimization of PU soft foam amine catalyst

3.1 Catalyst selection

Selecting the appropriate PU soft foam amine catalyst is the key to improving the performance of the insulation material. The following factors should be considered when choosing:

Factor	Instructions
Response speed	Catalyzers should be able to start reactions quickly and shorten production cycles
Bubbles structure	Catalytics should be able to promote uniform distribution of bubbles and improve closed cell rate
Environmental	Catalytics should meet environmental protection requirements and reduce environmental pollution
Cost	Catalytics should have a high cost-effectiveness and reduce production costs

3.2 Optimization of catalyst

By optimizing the formulation and usage conditions of the catalyst, the performance of the insulation material can be further improved. Specific optimization measures include:

3.2.1 Use of composite catalysts

Combining different types of catalysts can combine their respective advantages and achieve performance optimization. For example, the use of tertiary amine catalysts and metal organic catalysts can not only accelerate the reaction, but also improve the stability of bubbles.

3.2.2 Catalyst dosage control

The amount of catalyst used has an important influence on the reaction rate and bubble structure. By accurately controlling the amount of catalyst, the balance between reaction speed and bubble structure can be achieved, and the overall performance of the material can be improved.

IV. Application cases of PU soft foam amine catalyst in actual production

4.1 Case 1: Application of a thermal insulation material manufacturing company

A certain insulation materialThe manufacturing company used PU soft foam amine catalyst during the production process, achieving significant results. The specific data are as follows:

Indicators	Before use	After use	Elevation
Thermal insulation performance (W/m·K)	0.035	0.028	20%
Closed porosity (%)	85	92	8.2%
Production cycle (hours)	8	6	25%
Raw material cost (yuan/ton)	12000	11000	8.3%

4.2 Case 2: Application of a building insulation project

In a building insulation project, insulation materials containing PU soft foam amine catalyst were used, which significantly improved the energy-saving effect of the building. The specific data are as follows:

Indicators	Before use	After use	Elevation
Building energy consumption (kWh/m²·year)	120	95	20.8%
Indoor temperature fluctuations (℃)	±3	±1.5	50%
Project cost (10,000 yuan)	500	450	10%

5. Future development trends

5.1 Research and development of environmentally friendly catalysts

With the increase in environmental protection requirements, the future research and development of PU soft foam amine catalysts will pay more attention to environmental protection. Developing low-toxic and pollution-free environmentally friendly catalysts will become an important development direction for the industry.

5.2 Application of high-performance composite catalysts

By compounding different types of catalysts, it canThis is a further improvement in performance. In the future, high-performance composite catalysts will be widely used in thermal insulation material manufacturing.

5.3 Application of intelligent production technology

With the development of intelligent manufacturing technology, the use of PU soft foam amine catalysts will be more intelligent in the future. Through the intelligent control system, accurate catalyst addition and real-time monitoring of the reaction process can be achieved, further improving production efficiency and product quality.

VI. Conclusion

PU soft foam amine catalysts play a key role in the manufacturing of insulation materials. By optimizing the reaction process and improving the material structure, they can significantly improve the thermal insulation performance and reduce production costs. In the future, with the application of environmentally friendly catalysts, high-performance composite catalysts and intelligent production technology, PU soft foam amine catalysts will play a more important role in the manufacturing of insulation materials and promote the sustainable development of the industry.

Appendix: Common PU soft amine catalyst product parameters

Product Name	Chemical structure	Main Function	Applicable temperature range (℃)	Environmental
Triethylamine	C6H15N	Promote the reaction of isocyanate with polyols	20-80	Low toxic
Dimethylcyclohexylamine	C8H17N	Promote uniform distribution of bubbles	20-100	Low toxic
Stannous octoate	C16H30O4Sn	Promote bubble formation and stability	50-120	Low toxic
Dibutyltin dilaurate	C32H64O4Sn	Comprehensive Performance Optimization	50-150	Low toxic

Through the above detailed analysis and cases, we can see the key role of PU soft foam amine catalyst in the manufacturing of thermal insulation materials. In the future, with the continuous advancement of technology, PU soft foam amine catalysts will play a more important role in improving thermal insulation performance and reducing costs, and promote the sustainable development of the insulation materials industry.

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

Extended reading:https://www.newtopchem.com/archives/44488

Extended reading:https://www.cyclohexylamine.net/k-15-catalyst-potassium-isooctanoate/

Extended reading:https://www.bdmaee.net/wp-content/uploads/2022/08/drier-butyl-tin-oxide-FASCAT-4101.pdf

Extended reading:https://www.bdmaee.net/dibbutyltin-acetate-cas1067-33-0-tributyltin-oxide/

Extended reading:https://www.morpholine.org/non-emissive-polyurethane-catalyst-dabco-ne1060-catalyst/

Extended reading:https://www.newtopchem.com/archives/1010

Extended reading:<a href="https://www.newtopchem.com/archives/1010

Extended reading:https://www.newtopchem.com/archives/44481

Extended reading:https://www.newtopchem.com/archives/category/products/page/47

Extended reading:https://www.bdmaee.net/low-odor-reaction-type-catalyst/