Modern Polyesters: Chemistry and Technology of Polyesters and Copolyesters - ISBN:0471498564

Modern Polyesters: Chemistry and Technology of Polyesters and Copolyesters

Date: 22 April 2011, 08:10

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Polyesters are one of the most important classes of polymers in use today. In their simplest form, polyesters are produced by the polycondensation reaction of a glycol (or dialcohol) with a difunctional carboxylic acid (or diacid). Hundreds of polyesters exist due to the myriad of combinations of dialcohols and diacids, although only about a dozen are of commercial significance. Mankind has been using natural polyesters since ancient times. There are reports of the use of shellac (a natural polyester secreted by the lac insect) by the ancient Egyptians for embalming mummies. Early last century, shellac was still used as a moulding resin for phonographic records. True synthesis of aliphatic polyesters began in the 1930s by Carothers at DuPont in the USA and more significantly with the discovery of aromatic polyesters by Whinfield and Dickson at the Calico Printers Association in the UK.

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