Q
what is the polymer unit of polyester
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The polymer unit of polyester is primarily based on the ester functional group. The most common polyester, polyethylene terephthalate (PET), has its polymer unit composed of ethylene glycol and terephthalic acid. These monomers react in a process called polymerization, forming long chains through ester linkages. This characteristic bond is crucial to the polymer's properties like durability, resistance to chemicals and water, and versatility in applications ranging from textiles (e.g., clothing, home furnishings) to plastics (e.g., bottles, films). Polyesters can also be made from a variety of other diols and dicarboxylic acids, allowing for a wide range of materials with diverse properties. Their adaptability, strength, and ease of maintenance make polyesters essential in modern manufacturing and everyday items.
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