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[Chemical Knowledge]：What are the upstream raw materials of nylon fiber? What do the downstream products contain?

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The upstream and downstream associated product
of nylon fiber
nylon fiber, also known as nylon or polyamide (PA), is a synthetic polymer. In the field of chemical production raw materials, nylon fiber has a wide range of applications, so its upstream and downstream related products are also quite rich. Some of the main upstream and downstream related products of nylon fiber will be described in detail below.

upstream products

1. Adipic acid: Adipic acid is one of the main raw materials for the production of nylon 66 fiber. It is prepared by the reaction of phenol, nitric acid and hydrogen.
2. Caprolactam: Caprolactam is the main raw material for the production of nylon 6 fiber. It can be prepared by Beckmann rearrangement of cyclohexanone oxime.
3. Phenol: Phenol is a raw material for the production of adipic acid and therefore an indirect raw material for nylon fibers.

Downstream Products

1. Textiles: Nylon fiber is widely used in textile production, such as sportswear, outdoor clothing, swimwear, socks, etc. Because of its high strength, good wear resistance, good elasticity and other characteristics, nylon fiber has an important position in the field of textiles.
2. Industrial yarn: Nylon industrial yarn has the advantages of high strength, high modulus, heat resistance, corrosion resistance, etc., and is widely used in tire cord, transmission belt, rope, filter screen and other fields.
3. Engineering plastics: nylon fiber can be added to engineering plastics as a reinforcing material to improve the mechanical properties, heat resistance, dimensional stability and so on.
4. Composite materials: nylon fiber can be combined with other materials to form composite materials with special properties, such as nylon and carbon fiber composite materials, which have the advantages of high strength, high modulus and light weight.

summary

nylon fiber upstream and downstream related products are quite rich, involving chemical, textile, plastics and other fields. With the continuous development of science and technology, the application range of nylon fiber and its related products will continue to expand.

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