阅读说明：本技术 聚醚酯弹性体的制备方法 (Preparation method of polyether ester elastomer ) 是由 F·普里索克 E·波瑟尔特 M·舍默 F·普赫 D·肯普弗特 于 2019-03-14 设计创作，主要内容包括：本发明涉及一种制备嵌段共聚物的方法,其包括在大于160℃的温度下使至少一种熔点为160℃至350℃的芳族聚酯与至少一种选自二胺和二醇的化合物转化以制备混合物(G-a)；并将所述混合物(G-a)在0℃至300℃的温度下热处理1至240小时以制备嵌段共聚物,其中在步骤(a)中,所述化合物选自二胺和二醇并且其用量为0.02至0.3摩尔/摩尔聚酯中的酯键。本发明还涉及通过所述方法获得或可获得的嵌段共聚物,并且涉及所述嵌段共聚物用于制备以下产品的用途：挤出制品、注塑制品和压制制品以及泡沫、泡沫颗粒、鞋底、电缆护套、软管、型材、传动皮带、纤维、非织造布、膜、模制品、插头、外壳、用于电气工业、汽车工业、机械工程、3D打印的阻尼元件、药品和消费品。(The present invention relates to a process for preparing a block copolymer comprising converting at least one aromatic polyester having a melting point of from 160 ℃ to 350 ℃ with at least one compound selected from diamines and diols at a temperature of more than 160 ℃ to prepare a mixture (G-a); and heat-treating the mixture (G-a) at a temperature of 0 to 300 ℃ for 1 to 240 hours to prepare a block copolymer, wherein in step (a), the compound is selected from diamines and diols and is used in an amount of 0.02 to 0.3 mole per mole of ester bonds in the polyester. The invention also relates to a block copolymer obtained or obtainable by said process and to the use of said block copolymer for the preparation of: extruded, injection molded and pressed articles as well as foams, foam pellets, shoe soles, cable jackets, hoses, profiles, drive belts, fibers, nonwovens, films, moldings, plugs, housings, damping elements for the electrical industry, the automotive industry, mechanical engineering, 3D printing, pharmaceuticals and consumer products.)