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[Chemical Knowledge]：What are the upstream raw materials of DOTP? What are the downstream products?

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DOTP (dioctyl terephthalate) plays an important role in the field of raw materials for chemical production, and its upstream and downstream related products are extensive. The following describes in detail the upstream and downstream associated products of DOTP.

Upstream Associated Products:

1. Terephthalic acid (PTA):PTA is one of the main raw materials of DOTP and is used to produce DOTP. The production process of PTA involves oxidation, hydrogenation and other reactions, and its raw material is mainly p-xylene (PX).
2. Octanol: Octanol is another important raw material for DOTP, which is esterified with terephthalic acid to generate DOTP. Octanol is produced primarily from ethylene by the aldol process.

downstream related products:

1. PVC plasticizer: DOTP, as an important plasticizer, is widely used in PVC products, which can make PVC materials have better flexibility, processability and low temperature performance. Therefore, PVC products are the main downstream related products of DOTP, including wire and cable, pipe, profile, film, etc.
2. Rubber processing aid: DOTP can be used as a rubber processing aid to improve the processing performance and use performance of rubber. Therefore, rubber products are also downstream associated products of DOTP, including tires, hoses, tapes, etc.
3. Other plastics and resins: DOTP can also be used as a plasticizer for other plastics and resins, such as polyvinyl acetate, acrylic resin, etc. Therefore, these plastics and resins are also downstream associated products of DOTP.

In summary, DOTP has a wide range of upstream and downstream related products, involving multiple fields, such as petrochemicals, plastics, and rubber. With the continuous development and progress of science and technology, the application field of DOTP will continue to expand, and its upstream and downstream related products will also continue to increase.

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