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[Chemical Knowledge]：What are the upstream raw materials of BDO and what are the downstream products?

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BDO(1,4-butanediol) is an important organic chemical raw material, which is widely used in plastics, fiber, rubber, medicine and other fields. In the field of raw materials for chemical production, there are many upstream and downstream related products of BDO, and some of the main upstream and downstream products will be described in detail below.

upstream products:

1. Acetylene: Acetylene is one of the important raw materials for BDO production. BDO can be produced through acetylene method and acetylenic aldehyde method.

2. Formaldehyde: Formaldehyde is also one of the important raw materials for BDO production. In the acetylene aldehyde process, formaldehyde and acetylene are used to react to generate 1,4-butynediol, which is then hydrogenated to generate BDO.

3. Acetic acid: Acetic acid is also used as a feedstock in some BDO production processes.

downstream products:

1. PBT (polybutylene terephthalate):BDO is one of the important raw materials for PBT production. PBT is a high-performance engineering plastic with excellent heat resistance, chemical resistance and electrical Insulation, widely used in automobiles, electronic appliances, aerospace and other fields.

2. γ-butyrolactone (GBL):GBL is an important solvent and chemical intermediate, which can be used to produce N-methyl pyrrolidone (NMP), vinyl pyrrolidone (NVP) and other compounds, widely used in lithium batteries, medicine, pesticides and other fields.

3. Tetrahydrofuran (THF):THF is an important organic solvent and chemical intermediate. It can be used to produce PTMEG (polytetramethylene ether glycol), polyurethane and other compounds, and is widely used in resins, coatings, pharmaceuticals and other fields.

4. Degradable plastics: BDO can be used to produce degradable plastics, such as PBS (polybutylene succinate), PBAT (polybutylene adipate/terephthalate), etc. These degradable plastics have excellent biodegradability and environmental protection, and are widely used in packaging, agricultural plastic film and other fields.

In short, as an important organic chemical raw material, BDO has a wide range of upstream and downstream related products, involving many fields, such as plastics, fibers, rubber, medicine, degradable materials, etc.

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