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Polyurethane

Polyurethane (PU), full name of polyurethane, is a kind of macromolecular compound. It was made by Otto Bayer in 1937. Polyurethane is divided into polyester type and polyether type. They can be made into polyurethane plastic (mainly foam plastic), polyurethane fiber (called spandex in China), polyurethane rubber and elastomer.

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2022

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What is Polycarbon

Polycarbonate (PC for short) is a polymer containing carbonate group in the molecular chain. According to the structure of the ester group, it can be divided into aliphatic, aromatic, aliphatic aromatic and other types. The application of aliphatic and aliphatic aromatic polycarbonate in engineering plastics is limited due to their low mechanical properties.

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2021

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Classification of chemical industry

We divide the chemical industry into three categories: petrochemical industry, basic chemical industry and chemical fiber industry.The basic chemical industry is divided into nine categories: chemical fertilizer, organic products, inorganic products, chlor alkali, special chemicals, pesticides, daily chemicals, plastic products and rubber products.

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2021

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Definition of chemical industry

The chemical industry includes industries engaged in engineering design, daily chemical industry, energy and power, technology development, production technology management and scientific research in chemical industry, oil refining, metallurgy, energy, light industry, petrochemical industry, environment, medicine, environmental protection and military industry.

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