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[Chemical Knowledge]：What are the upstream raw materials for regenerated PA? What are the downstream products?

Read： 246 Time：13months ago Source：Transform the World with Simplicity

Recycled PA (polyamide) plays an important role in the field of raw materials for chemical production, and its upstream and downstream related products are extensive. The following are some upstream and downstream associated products related to regenerated PA:

1. Upstream products:

(1) Monomers and raw materials: The production of regenerated PA mainly depends on monomers and raw materials, such as caprolactam (CAP), adipic acid (AA) and hexamethylene diamine (HDA). These raw materials are mainly produced by chemical synthesis and biological fermentation.

(2) Catalyst: A catalyst is used in the production process of regenerated PA to promote the polymerization reaction. Commonly used catalysts include tetrabutyl titanate, zinc acetate, etc.

(3) Additives: In order to improve the performance and processability of regenerated PA, it is necessary to add some additives, such as antioxidants, anti-ultraviolet agents, flame retardants, etc.

2. Downstream products:

(1) fibers and textiles: recycled PA can be processed into fibers and textiles, such as nylon yarn, nylon cloth, etc., used to make clothing, bags, ropes and other products.

(2) Engineering plastics: Recycled PA can also be processed into engineering plastics for the manufacture of mechanical parts, auto parts, electrical products, etc.

(3) Film and packaging materials: Regenerated PA can be made into film and packaging materials for food packaging, medical equipment and other fields.

In short, the upstream and downstream related products of recycled PA are very extensive, involving many fields, such as chemical fiber, engineering plastics, film packaging, auto parts, etc. With the continuous advancement of technology and the expansion of application fields, the upstream and downstream related products of regenerative PA will also continue to increase.

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