阅读说明：本技术 医用管以及用于制造其的组合物和方法 (Medical tubes and compositions and methods for making the same ) 是由 D·杜波伊斯 A·巴塔查里亚 于 2019-09-10 设计创作，主要内容包括：本发明公开了一种医用管,其包含式A-B-A、(A-B-A)<Sub>n</Sub>X或(A-B)<Sub>n</Sub>X的氢化的苯乙烯嵌段共聚物,其中n为2-30的整数,X为偶联剂的残基；在氢化之前,每个A嵌段为真峰分子量为5-15kg/mol的单烯基芳烃均聚物嵌段,每个B嵌段为真峰分子量为30-200kg/mol的受控分布的共聚物嵌段；所述氢化的苯乙烯嵌段共聚物具有按中间嵌段的总重量计为35-50wt％的中间嵌段聚(单烯基芳烃)含量,和使其可用于制备具有抗扭结性的医用管的物理性能。(The invention discloses a medical tube, which comprises a formula A-B-A, (A-B-A) n X or (A-B) n A hydrogenated styrenic block copolymer of X, wherein n is an integer from 2 to 30 and X is the residue of a coupling agent; before hydrogenation, each A block is a mono alkenyl arene homopolymer block with a true peak molecular weight of 5-15kg/mol, and each B block is a controlled distribution copolymer block with a true peak molecular weight of 30-200 kg/mol; the hydrogenated styrenic block copolymer has a midblock poly (monoalkenylarene) content of 35 to 50 wt%, based on the total weight of the midblock, and physical properties that make it useful for preparing medical tubing having kink resistance.)