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[Chemical Knowledge]：What are the upstream raw materials for 1.3-butanediol? What are the downstream products?

Read： 344 Time：12months ago Source：Transform the World with Simplicity

1.3-Butanediol (BDO) is an important organic chemical raw material, which is widely used in plastics, fibers, pharmaceuticals, pesticides and other fields. In the field of raw materials for chemical production, the upstream and downstream related products of 1.3-butanediol mainly include the following aspects:

upstream products:

1. Ethylene: Ethylene is one of the main raw materials of 1.3-butanediol. Acetaldehyde is produced by ethylene oxidation method, and 1.3-butanediol is further synthesized.
2. Acetic acid: Acetic acid is also one of the important raw materials of 1.3-butanediol, and 1.3-butanediol is prepared by acetic acid hydrogenation reduction method.

downstream products:

1. Polybutylene terephthalate (PBT):1.3-butylene glycol reacts with terephthalic acid to form PBT. It is a high-performance engineering plastic with excellent mechanical properties, heat resistance, Chemical resistance and other characteristics, widely used in automobiles, electronic appliances, aerospace and other fields.
2. Polyurethane (PU):1.3-butanediol reacts with diisocyanate to form PU. It is a polymer material with excellent elasticity, wear resistance, impact resistance and other characteristics. It is widely used in furniture, construction, automobiles and other fields.
3. γ-butyrolactone (GBL):1.3-butanediol is dehydrated and cyclized under acidic conditions to form GBL, which is an important solvent and chemical intermediate, and is widely used in medicine, pesticide, battery and other fields.
4. Tetrahydrofuran (THF):1.3-butanediol is an important organic solvent and chemical intermediate, which is widely used in medicine, pesticide, synthetic fiber and other fields.

In short, 1.3-butanediol is an important organic chemical raw material, and its upstream and downstream related products are extensive, involving many fields, which is of great significance to promote the development of the chemical industry.

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