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

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Dioctyl ester (Dioctyl Phthalate, referred to as DOP) is a widely used plasticizer, mainly used in polyvinyl chloride (PVC) and other plastics processing. In the field of chemical production raw materials, there are many upstream and downstream related products of dioctyl ester, and some of the main products will be described in detail below.

1. Upstream product

(1) Phthalic anhydride: Phthalic anhydride (Phthalic Anhydride, referred to as PA) is one of the main raw materials for the production of dioctyl ester. Phthalic anhydride is esterified with n-octanol to form dioctyl ester.

(2) n-Octanol: n-Octanol (n-Octanol) is another major raw material for the production of dioctyl esters. n-Octanol reacts with phthalic anhydride to form dioctyl ester and water.

2. Downstream products

(1) Polyvinyl chloride (PVC): Dioctyl ester is widely used as a plasticizer in PVC products to increase its flexibility, ductility and processability. PVC is widely used in construction, wire and cable, packaging, automotive and other fields.

(2) Synthetic rubber: Dioctyl ester can be used in synthetic rubber to improve its low-temperature elasticity and flex resistance. Synthetic rubber is widely used in tires, hoses, tapes and other products.

(3) coating: dioctyl ester can be used as an additive to improve the leveling and construction performance of the coating. Coatings are widely used in construction, furniture, automobiles and other fields.

(4) ink: dioctyl ester can be used as an additive of ink to improve the fluidity and printing performance of ink. Inks are used for printing packaging, publications, etc.

In short, dioctyl ester has a wide range of upstream and downstream related products in the field of chemical production raw materials, and plays an important role in promoting the development of plastics, rubber, coatings, inks and other industries.

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