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[Chemical Knowledge]：What are the upstream raw materials for m-isobutylphenol? What do the downstream products contain?

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M-isobutylphenol (MIBP) is an important chemical raw material, widely used in plastics, rubber, resin, preservatives and other fields. The upstream and downstream related products of MIBP mainly include the following aspects:

upstream products:

1. Isobutylene: Isobutylene is one of the main raw materials of MIBP, which is used to produce isobutylphenol. Isobutene can be obtained by petroleum cracking or natural gas conversion.
2. Phenol: Phenol is also one of the important raw materials of MIBP. It reacts with isobutylene to produce isobutyl phenol. Phenol can be obtained by coal tar, petroleum cracking, etc.

Downstream Products:

1. Antioxidant: MIBP can be used as an antioxidant in plastics, rubber and other polymer materials to improve its heat resistance, oxidation resistance and weather resistance. Common antioxidants include hindered phenolic antioxidants and phosphite antioxidants.
2. Heat stabilizer: MIBP can also be used as a heat stabilizer in polyvinyl chloride and other resins to improve its processing stability and long-term performance. Common heat stabilizers include lead salts, metal soaps, organic tin, etc.
3. Preservative: MIBP has certain antibacterial and antiseptic effect, and can be used as a preservative in coatings, inks and other products to extend its service life.

In short, as an important chemical raw material, MIBP has a wide range of upstream and downstream related products, which is of great significance to promote the development of the chemical industry.

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