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[Chemical Knowledge]：Production method and process flow of slow rebound polyether polyol

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The manufacturing method
of slow rebound polyether polyol
1. Introduction

slow rebound polyether polyol is an important raw material widely used in the field of chemical production, especially in soft furniture, car seats, packaging materials and other fields have a wide range of applications. Therefore, it is of great significance to study the manufacturing method of slow rebound polyether polyols for improving product quality, reducing costs and promoting industrial development.

2. Manufacturing Method

1. Raw Material Preparation

The main raw materials for manufacturing slow rebound polyether polyol include polyol, catalyst, foaming agent, etc. Wherein, the polyol can be selected from ethylene glycol, propylene glycol and the like, the catalyst can be selected from stannous octoate, dibutyltin dilaurate and the like, and the foaming agent can be selected from water, carbon dioxide and the like.

2. Polymerization

Polyol and catalyst are added into the reactor according to a certain proportion, heated to a certain temperature, and then introduced into the foaming agent to polymerize the polyol to generate polyether polyol.

3. Foaming treatment

After the polymerization reaction is completed, the polyether polyol is cooled to a certain temperature, and a foaming agent is added for foaming treatment to generate a polyether polyol foam with slow resilience.

4. Post-treatment

Post-treatment of the foamed polyether polyol foam, including cutting, molding and other processes, to obtain the final slow rebound polyether polyol product.
Precautions for
3.

1. During the polymerization reaction, it is necessary to strictly control the reaction temperature and reaction time to ensure the molecular structure and performance of the product.

2. During the foaming process, it is necessary to control the amount of foaming agent and foaming time to ensure the uniformity and stability of the foam.

3. In the post-processing process, it is necessary to carry out corresponding treatment according to the specific requirements of the product to ensure the quality and appearance of the product. Analysis of the advantages and disadvantages of

4.

slow rebound polyether polyol manufacturing method has the following advantages:

1. raw materials are readily available, the production process is mature, low cost;

2. the product has excellent slow rebound performance, easy to use;

3. can be customized according to different needs.

At the same time, this method also has some shortcomings:

1. The use of additives such as catalysts and foaming agents in the production process may cause certain pollution to the environment;

2. The mechanical properties and heat resistance of the product need to be improved.

5. application prospects

Slow springback polyether polyols as an important chemical raw material have a wide range of applications in upholstered furniture, car seats, packaging materials and other fields. With the continuous advancement of technology and the expansion of application fields, its market demand will continue to increase. Therefore, it is of great significance to strengthen the research and improvement of the manufacturing method of slow rebound polyether polyol, improve product quality and reduce cost, and promote the development of chemical production field.

6. conclusion

slow rebound polyether polyol manufacturing method is an important chemical technology, which is of great significance for improving product quality, reducing costs and promoting industrial development. In the actual production process, it is necessary to strictly control the various process parameters to ensure product quality and performance. At the same time, it is also necessary to strengthen research and improvement, and continuously improve the mechanical properties and heat resistance of products to meet the needs of different fields.

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