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[Chemical Knowledge]：What are the upstream raw materials of thermoplastic polyurethane elastomer rubber? What do the downstream products contain?

Read： 273 Time：19months ago Source：Transform the World with Simplicity

Thermoplastic polyurethane elastomer rubber (TPU) has a wide range of applications in the field of chemical production raw materials. Its upstream and downstream related products mainly include raw materials, auxiliary materials and finished products.

1. upstream associated products

1. Polyol: Polyol is one of the main raw materials of TPU, commonly used polyol polyester and polyol polyether. The choice of polyol will affect the hardness, elasticity, hydrolysis resistance and other properties of TPU.
2. Diisocyanate: Diisocyanate is another main raw material of TPU, commonly used are diphenylmethane diisocyanate (MDI), toluene diisocyanate (TDI) and so on. The choice of diisocyanate will affect the yellowing resistance, weather resistance and other properties of TPU.
3. Chain extender: Chain extender is an important raw material used to adjust the molecular weight and performance of TPU, commonly used ethylene glycol, glycerol and so on.

2. downstream related products

1. Hose: TPU can be used to produce various hoses, such as oil pipes, air pipes, water pipes, etc., with good wear resistance, bending resistance and chemical resistance.
2. Seals: TPU can be used to make various seals, such as sealing strips, sealing rings, etc., with good sealing performance and aging resistance.
3. Sole: TPU can be used to make soles, with good wear resistance, impact resistance and comfort.
4. Film: TPU can be used to make various films, such as packaging film, waterproof film, etc., with good tensile properties and waterproof properties.

In short, the upstream and downstream related products of thermoplastic polyurethane elastomer rubber (TPU) are very extensive, involving chemical, automotive, construction, electronics and other fields.

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