Q
structure of polyvinyl chloride
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Polyvinyl chloride, commonly known as PVC, is a synthetic thermoplastic polymer widely used for various applications, from construction materials to everyday goods. Its structure consists of a carbon backbone with alternating carbon atoms bonded to chlorine atoms, making it a chlorinated hydrocarbon. The repeat unit in its structure comes from the monomer vinyl chloride (CH2=CHCl), and during the polymerization process, these monomers undergo chain-growth polymerization to form PVC. The presence of chlorine in its structure gives PVC its characteristic properties such as durability, resistance to environmental degradation, fire retardancy, and versatility in processing. Depending on the method of polymerization and the amount of plasticizer added, PVC can be made into either rigid or flexible materials, expanding its range of applications.
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