The strength and durability of polyesters is somewhat lesser than polyamides. You’ll find both of these fabrics used to make sportswear and other types of clothing, but the two fabrics behave differently in certain aspects. The main difference between polyester and polyamide is that polyester is the name of a specific fabric, while polyamide is the name of a particular fabric group. However, other manufactured polyamides are also important and. The best known manufactured polyamides are often called nylons (the trade name given by the manufacturer, DuPont) and these are aliphatic polyamides. Proteins are examples of naturally occurring polyamides. Polyamides are polymers which contain repeating amide, -CO-NH-, linkages. Production of nylon comprises 11% of worldwide synthetic fiber. Worldwide, polyester is manufactured more than nylon. Nylon is a polyamide made from petroleum, while polyester consists of a polymer production of coal, air, water and petroleum products. Production for both starts from a chemical liquid base that is spun and dried into fibers. a complex ester used for making fibers or resins. ![]() any of numerous synthetic resins they are light and strong and weather resistant. an artificial textile fibre made from a polyester, used to make light, crease-resistant clothing, bed linen, and sails. If the molecular weight is increased, the hard segment of the polyurethane is The relative content decreases and the strength decreases. ![]()
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