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[Chemical Knowledge]：What are the upstream raw materials of spandex? What do the downstream products contain?

Read： 535 Time：19months ago Source：Transform the World with Simplicity

Spandex is a synthetic fiber with excellent elastic recovery performance, which is widely used in textiles, clothing, medical equipment and other fields. In the field of raw materials for chemical production, the upstream and downstream related products of spandex mainly include the following aspects:

upstream products:

1. Petrochemical raw materials: the production of spandex needs to be based on petrochemical raw materials, mainly including oil, natural gas and so on. After these raw materials are processed by cracking, polymerization and other processes, the basic monomers required for spandex are obtained.

2. basic monomer: the basic monomer of spandex is mainly dimethylol propane (DMPA), adipic acid (AA) and ethylene glycol (EG). These monomers are polymerized to form polymers of spandex.

downstream products:

1. Textiles: Spandex, as an elastic fiber, is widely used in the textile field. It can be blended with other fibers to improve the elasticity, comfort and durability of the fabric. Common spandex textiles are elastic cloth, swimwear, sportswear and so on.

2. clothing: spandex is widely used in the field of clothing, mainly used in the production of tights, stretch pants, sportswear and other clothing needs better elasticity.

3. Medical devices: Spandex has good biocompatibility and elasticity, so it is also used to make medical devices, such as bandages, wrist guards, knee pads, etc.

4. Other fields: In addition to the above fields, spandex can also be used to make industrial rubber products, auto parts, building materials, etc.

In short, spandex, as an important chemical raw material, is widely used in textiles, clothing, medical devices and other fields, and its upstream and downstream related products are also very rich.

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