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    • 9. 发明申请
    • Styrol/Butadiene Block Copolymer Mixtures for Shrink Films
    • 用于收缩膜的苯乙烯/丁二烯嵌段共聚物混合物
    • US20080269414A1
    • 2008-10-30
    • US11813742
    • 2005-12-31
    • Konrad KnollHelmut SteiningerMichael SchusterDaniel WagnerPeter Merkel
    • Konrad KnollHelmut SteiningerMichael SchusterDaniel WagnerPeter Merkel
    • C08L53/02
    • C08L53/02C08L2666/24
    • A mixture which comprises a) from 5 to 50% by weight of a block copolymer A which comprises one or more oopolymer blocks (B/S)A each composed of from 65 to 95% by weight of vinylaromatic monomers and from 35 to 5% by weight of dienes and of a glass transtion temperature TgA in the range from 40° to 90° C. b) from 95 to 50% by weight of a block copolymer B which comprises at least one hard block S composed of vinylaromatic monomers and comprises one or more copolymer blocks (B/S)B each composed of from 20 to 60% by weight of vinylaromatic monomers and from 80 to 40% by weight of dienes and of a glass transition temperature TgB in the range from −70° to 0°C. c) from 0 to 45% by weight of polystyrene or of a block copolymer C other than A and B, and d) from 0 to 6% by weight of a plasticizer, and its use for production of shrink films.
    • 一种混合物,其包含a)5至50重量%的嵌段共聚物A,其包含一种或多种聚合物嵌段(B / S)A A,各自由65至95重量%的乙烯基芳族 单体和35至5重量%的二烯,玻璃化转变温度Tg A A在40℃至90℃的范围内。b)95至50重量%的嵌段共聚物 B,其包含至少一个由乙烯基芳族单体组成的硬块S,并且包含一个或多个共聚物嵌段(B / S)B,每个由20至60重量%的乙烯基芳族单体组成,80至 40重量%的二烯和玻璃化转变温度Tg B 在-70℃至0℃的范围内。 c)0至45重量%的聚苯乙烯或除A和B之外的嵌段共聚物C,以及d)0至6重量%的增塑剂,以及其用于生产收缩膜的用途。