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[Chemical Knowledge]：What are the upstream raw materials for acrylonitrile? What do the downstream products contain?

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Upstream and downstream related products
of acrylonitrile
Acrylonitrile is an important organic chemical raw material, mainly used in the production of acrylic fiber, but also used in the production of sodium glutamate, pharmaceutical intermediates, polymer and so on. Therefore, the upstream and downstream associated products of acrylonitrile are very rich, and the following are some of the main upstream and downstream associated products.

1. Upstream product

(1) Propylene: Propylene is the main raw material of acrylonitrile, and acrylonitrile can be produced by propylene ammoxidation.

(2) Ammonia: Ammonia is also an important raw material for the production of acrylonitrile, which reacts with propylene to form acrylonitrile under the action of a catalyst.

(3) Air: Oxygen in the air is used as an oxidant to participate in the ammoxidation of propylene to generate acrylonitrile and by-products.

2. Downstream product

(1) Acrylic fiber: Acrylic fiber is the main raw material for the production of acrylic fiber. Acrylic fiber has excellent weather resistance, corrosion resistance, heat resistance and other properties, and is widely used in textiles, Clothing and other fields.

(2)ABS resin: ABS resin can be produced by copolymerization of acrylonitrile, butadiene, styrene and other monomers. It has excellent impact resistance, heat resistance, chemical resistance and other properties. It is used in home appliances, automobiles, Construction and other fields.

(3) Acrylamide: Acrylonitrile can be hydrolyzed to produce acrylamide, which is used in the production of water treatment agents, paper strengthening agents, etc.

(4) Acrylic acid: Acrylic acid can be produced by oxidation of acrylonitrile, which is used in the production of acrylic resins, coatings, adhesives, etc.

In summary, the upstream and downstream related products of acrylonitrile are very extensive, involving many fields, such as textiles, chemicals, building materials, etc. With the continuous development of science and technology, the application field of acrylonitrile will continue to expand.

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