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

Read： 348 Time：13months ago Source：Transform the World with Simplicity

Polycarbonate (Polycarbonate, referred to as PC) is a high-performance engineering plastic, with excellent mechanical properties, optical properties, electrical properties and thermal properties, widely used in automotive, electrical and electronic, construction, packaging, medical equipment and other fields. In the field of raw materials for chemical production, the upstream and downstream related products of polycarbonate mainly include the following aspects:

upstream raw materials:

1. bisphenol A(BPA): bisphenol A is the main raw material for the production of polycarbonate, accounting for about 60%-70% of the production cost. Bisphenol A is formed by condensation of phenol and acetone, and its price fluctuation has a great influence on the production cost of polycarbonate.
2. Phosgene: Phosgene is another important raw material for the production of polycarbonate. It reacts with bisphenol A to produce diphenyl carbonate, which is further polymerized to produce polycarbonate.

downstream related products:

1. modified polycarbonate: in order to improve the performance of polycarbonate and expand its scope of application, polycarbonate can be modified, such as adding glass fiber, minerals and other reinforcing materials to improve its mechanical properties and thermal stability.
2. Polycarbonate alloy: Polycarbonate can be blended with other engineering plastics such as ABS, PA, PBT, etc. to form a polycarbonate alloy to improve its processing performance, mechanical properties or reduce costs.
3. Polycarbonate plates, pipes, profiles, etc.: Polycarbonate can be processed into various shapes of plates, pipes, profiles, etc., for construction, automotive, electrical and electronic fields.

In short, as an important engineering plastic, polycarbonate has a wide range of upstream and downstream related products, which is of great significance to the development of chemical production raw materials.

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