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[Chemical Knowledge]：What are the upstream raw materials for p-tert-butylphenol o-cresol? What do the downstream products contain?

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p-tert-butylphenol o-cresol (PTBC) is an important chemical raw material, widely used in plastics, rubber, resin, paint, medicine and other fields. The upstream and downstream associated products of PTBC are very rich, and some of the main products will be described in detail below.

upstream products:

1. Phenol: Phenol is one of the main raw materials of PTBC and is used to produce p-tert-butylphenol. Phenol is usually produced from the petroleum cracking product propylene by the phenol process or the acetone process.
2. Tert-butyl alcohol: Tert-butyl alcohol is another major raw material of PTBC, which reacts with phenol to produce p-tert-butyl phenol. Tert-butanol can be prepared by isobutylene hydrolysis.

downstream products:

1. p-tert-butylphenol (PTBP):PTBC can be used as a raw material to produce p-tert-butylphenol, which is an important antioxidant and stabilizer, widely used in plastics, Rubber, grease and other fields to prevent oxidative deterioration.
2. o-cresol (OC):PTBC can undergo a cleavage reaction to generate o-cresol. O-cresol is an important organic chemical raw material, which can be used in the production of pesticides, dyes, pharmaceutical intermediates and so on.
3. Antioxidant: PTBC can be used as a raw material for antioxidants, for the production of hindered phenolic antioxidants, such as BHT (di-tert-butyl-p-cresol). Such antioxidants are widely used in food, plastics, rubber and other fields to extend the service life of products.
4. Polymer Additives: PTBC can be used to produce polymer additives, such as antioxidants, heat stabilizers, etc. These additives can improve the processability and service life of the polymer.

In short, the upstream and downstream related products of p-tert-butylphenol o-cresol are very extensive, involving many fields, such as plastics, rubber, resins, coatings, medicine, etc. During the production and use of these products, it is necessary to pay full attention to the nature, quality and safety of the products to ensure the quality and reliability of the products.

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