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"Polycarbonate (PC) is a thermoplastic. It is a polymer that has functional groups linked by carbonate groups in a long molecular chain. It is manufactured with bisphenol A and phosgene. It is easy to work, thermoform and mold, it is widely used in manufacturing. It is resistant to impacts and moderate chemistry and has good electrical properties. It is a colorless material due to its low crystallinity and its amorphous nature. It has a density of 1.20 g / cm³ and its melting point is around 250 ° C. Polycarbonates can be classified into 2 groups: polyaromatic carbonates and polyaliphatic carbonates Polyaliphatic are created with the reaction of carbon dioxide with epoxides and need to use catalysts.
Polycarbonate is used to make various products: household appliances, automotive parts, CDs ...
To obtain the different polycarbonate products, the methods that are most used are injection, extrusion or blowing. Injection is used to produce parts that have complicated geometries or materials with high transparency, blowing is used to make bottles or polycarbonate film, and extrusion is used in the manufacture of cellular and compact polycarbonate sheets.
It is one of the plastics that pollutes the most, it has great resistance and that causes its decomposition in the environment to last for many years. For this reason, recycling is very important. By natural means, its degradation is slow, although seawater would decompose it quickly. This would mean high pollution of the sea, so recycling is the best alternative. This material can be reused in industry, so its recycling is very important to be done in specialized plants. In this way it can be reintroduced into the production of other materials and thus reduce contamination. The most commonly used recycling processes for this material are mechanical recycling and chemical recycling. Its recycling is quite difficult. "