作者: Howard C. Ng
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摘要: A random polytrimethylene ether ester prepared by polycondensation of 1,3-propanediol reactant and about 10 to 0.1 mole % aliphatic or aromatic diacid diester, as well its manufacture use thereof. thermoplastic elastomer from the any preceding claims a polymer selected group consisting polyesters, polyamides, polyurethanes polyurethane ureas.