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

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Isohexanediol is an important organic chemical raw material, which is widely used in polyurethane, plastics, fibers, coatings and other fields. The following are the upstream and downstream related products of isohexanediol:

Upstream products:

1. Phthalic anhydride: Phthalic anhydride is one of the main raw materials for the production of isohexanediol. Isohexanediol can be generated through the reaction of phthalic anhydride and ethylene glycol.

2. Ethylene glycol: Ethylene glycol is also an important raw material for the production of isohexanediol. After reacting with phthalic anhydride, isohexanediol can be generated.

downstream products:

1. Polyurethane: Isohexanediol is one of the important raw materials of polyurethane. After reacting with diisocyanate, polyurethane foam can be generated, which is widely used in heat preservation, sound insulation, shock absorption and other fields.

2. Polyester: Isohexanediol can react with dibasic acid to generate polyester, which can be used to produce fibers, films, containers and other products.

3. Coating: Isohexanediol can be used as a solvent and additive in the coating to improve the performance and stability of the coating.

4. Plastics: Isohexanediol can be used to produce some special plastics, such as polyether ether ketone, polyphenylene sulfide, etc.

In short, as an important organic chemical raw material, isohexanediol has a wide range of applications in the field of chemical production raw materials, and its upstream and downstream related products are also very rich.

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