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

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Diphenyl isooctyl phosphite (DDP) is an important chemical raw material, which is widely used in plastics, rubber, paint, ink and other fields. Its upstream and downstream related products mainly include the following aspects:

Upstream products:

1. Phenol: Phenol is one of the main raw materials of DDP and is used to synthesize the phenyl part of DDP. Phenol is mainly obtained as a by-product of the petrochemical industry and can also be obtained by coal tar separation.
2. Isooctanol: Isooctanol is another important raw material in DDP for the synthesis of the isooctyl ester moiety in DDP. Isooctanol is mainly produced by the olefin hydration process of the petrochemical industry.
3. Phosphoric acid: Phosphoric acid is a catalyst and raw material in the DDP synthesis process and is used to provide phosphoric acid groups.

downstream products:

1. Plastic additives: DDP can be used as a plastic additive to improve the oxidation resistance, thermal stability and light stability of plastics. Common plastic additives include flame retardants, antioxidants, light stabilizers, etc.
2. Rubber additives: DDP can also be used as a rubber additive to improve the oxidation resistance, ozone resistance and heat resistance of rubber. Common rubber additives include antioxidants, accelerators, etc.
3. Coating and ink additives: DDP can be used as additives for coatings and inks to improve the weather resistance, UV resistance and oxidation resistance of coatings and inks. Common coating and ink additives include leveling agents, dispersants, and the like.

In short, diphenyl isooctyl phosphite, as an important raw material for the production of chemical products, has a wide range of upstream and downstream related products, which is of great significance to the development of plastics, rubber, coatings, inks and other fields.

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