What is Polyester?
Polyester is synthetic/man-made resin formed by the condensation of polyhydric alcohols (alcohols containing more than one hydroxyl group) with dibasic acids (acids containing two replaceable hydrogen atoms). Polyesters are thermosetting plastics, used in making synthetic fibers, such as Dacron and Terylene, and constructional plastics. The outstanding characteristics of polyesters is their ability to resist wrinkling and to spring back into shape when creased. In addition, polyesters have a good dimensional stability, wash and dry easily and quickly, and have excellent wash-and-use or minimum-care characteristics.
Polyester fibers are long-chained polymers produced from elements derived from coal, air, water, and petroleum. As defined by the FTC, these fibers are chemically composed of “at least 85 percent by weight of an ester of a substituted aromatic carboxylic acid, including but not restricted to substituted hydroxybenzoate units.” In general, polyester fiber is characterized as having a high degree of stretch resistance, which means that polyester ropes are not likely to stretch out of its original length too easily.
