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    • 1. 发明公开
    • 고투명성 및 인성-강성 스티렌-부타디엔 블록 공중합체 혼합물
    • 高透明度和韧性苯乙烯 - 丁二烯嵌段共聚物混合物
    • KR1020090024290A
    • 2009-03-06
    • KR1020097001541
    • 2007-06-13
    • 바스프 에스이
    • 스튜워트,제니퍼,알.메르켈,페터바그너,다니엘크놀,콘라트코흐,위르겐
    • C08L53/02C08L25/08
    • C08F297/044C08F297/04C08L53/02C08L2205/025C08L2205/03C08L2666/02C08L2666/24C08L25/06
    • A mixture, which contains a) 25 to 75% by weight of a block copolymer A, which contains at least one hard block S of vinyl aromatic monomers and one or more soft blocks BA of, in each case, 0 to 5% by weight of vinyl aromatic monomers and 95 to 100% by weight of dienes, the proportion by weight of the hard blocks S in the block copolymer A constituting 65 to 90% by weight; b) 5 to 25% by weight of a block copolymer B, which contains at least one hard block S of vinyl aromatic monomers and one or more copolymer blocks (B/S)B of, in each case, 20 to 60% by weight of vinyl aromatic monomers and 80 to 40% by weight of dienes, the proportion by weight of the hard blocks S in the block copolymer B constituting 25 to 70% by weight; c) 0 to 70% by weight of a block copolymer C, which is different from A and B, or polystyrene; and d) 0 to 6% by weight of a plasticizer D, the sum of the components A) to D) adding up to 100% by weight, as well as the use for transparent, thermoformed films or transparent injection-molded articles.
    • 一种混合物,其包含a)25至75重量%的嵌段共聚物A,其包含至少一种乙烯基芳族单体的硬嵌段S和一种或多种软嵌段BA,在每种情况下为0至5重量% 的乙烯基芳族单体和95〜100重量%的二烯,嵌段共聚物A中的硬嵌段S的重量比例构成为65〜90重量% b)5至25重量%的嵌段共聚物B,其包含至少一种乙烯基芳族单体的硬嵌段S和一种或多种共聚物嵌段(B / S)B,其在每种情况下为20至60重量% 的乙烯基芳族单体和80〜40重量%的二烯,嵌段共聚物B中的硬嵌段S的重量比例为25〜70重量% c)0至70重量%的不同于A和B的嵌段共聚物C或聚苯乙烯; 和d)0至6重量%的增塑剂D,组分A)至D)的总和相加至100重量%,以及用于透明的热成型膜或透明注塑制品。