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[Chemical Knowledge]：What are the upstream raw materials for tetrahydrofuran (THF) and what are the downstream products?

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Tetrahydrofuran (THF) is an important organic chemical raw material, which is widely used in medicine, pesticide, plastic, rubber, resin, solvent and other fields. The following are the upstream and downstream related products of THF:

Upstream products:

1. Butadiene: Butadiene is one of the main raw materials for the production of THF, which is made by cyclization reaction.

2. Propylene: Propylene can also be converted to butadiene through some chemical reaction, and then further made into THF.

downstream products:

1. Polytetrahydrofuran (PTHF):THF can be polymerized to produce polytetrahydrofuran, a high-performance engineering plastic with excellent chemical resistance, heat resistance, low temperature resistance, electrical insulation and mechanical properties.

2. γ-butyrolactone (GBL):THF can be further reacted to produce γ-butyrolactone, which is also an important solvent and chemical intermediate.

3. butyrolactone (BL):THF can also be converted into butyrolactone, which is widely used in medicine, pesticide, fragrance and other fields.

4. Methyl methacrylate (MMA):THF can be used as one of the monomers for the production of methyl methacrylate and is used to manufacture polymer materials such as organic glass.

In short, as an important organic chemical raw material, tetrahydrofuran has a wide range of upstream and downstream related products, involving many fields, and has high economic value and application prospects.

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