| 摘要 |
A random polytrimethylene ether ester prepared by polycondensation of 1,3- propanediol reactant and about 10 to about 0.1 mole % of aliphatic or aromat ic diacid or diester, as well as its manufacture and use thereof. A thermoplast ic elastomer prepared from the random polytrimethylene ether ester of any of th e preceding claims and a polymer selected from the group consisting of polyesters, polyamides, polyurethanes and polyurethane ureas.
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