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    BLENDS OF STYRENE-BUTADIENE COPOLYMERS
    2.
    发明申请
    BLENDS OF STYRENE-BUTADIENE COPOLYMERS 审中-公开

    公开(公告)号：US20170240740A1

    公开(公告)日：2017-08-24

    申请号：US15508355

    申请日：2015-09-02

    Applicant: INEOS STYROLUTION GROUP GMBH

    Inventor： Michael HAMILTON ,  Thomas W. COCHRAN ,  Norbert NIESSNER ,  Konrad KNOLL

    IPC: C08L53/02 ,  C08J5/18

    CPC classification number: C08L53/02 ,  C08J5/18 ,  C08J2353/02 ,  C08J2425/06 ,  C08J2453/02 ,  C08L2201/10 ,  C08L2203/16 ,  C08L2205/025 ,  C08L2205/035 ,  C08L25/06

    Abstract: Polymer blend comprising 95 to 100% of a component A) and 0 to 5% of additives, where A) is consisting of polymers A1 ) to A4): A1 ) 50 to 75% of a star shaped block copolymer A1 which comprises at least 2 terminal vinylaromatic hard blocks S and diene soft blocks B, where the proportion of the hard blocks S is from 65 to 90%, and Mn of block S is 35000 to 200000; A2) 5 to 15% of block copolymer A2 which comprises 2 terminal vinylaromatic hard blocks S1 and S2 and random copolymer blocks (B/S) consisting of 20 to 60% vinylaromatic monomers, and 80 to 40% dienes where the proportion of blocks S1 and S2 is 40 to 60%; and Mn of blocks S1 is 35000 to 200000, and Mn of blocks S2 is 5000 to 30000 and the molar S1/S2 ratio is 1:0.5 to 1:10; A3) 3 to 10% of an block copolymer A3 built up from vinylaromatic hard blocks S and from random soft blocks B/S consisting of 60 to 30% vinylaromatic monomers and 40 to 70% dienes, where the diene content is less than 50% and the proportion of the soft phase is at least 60%; and A4) 10 to 35% polystyrene A4; whereby the ratio of A1 ) to A2) to A3) is from 7 : [1.2 to 1.9] : [0.5 to 12], have particular mechanical properties.

    MONO VINYL AROMATIC CONJUGATED DIENE BLOCK COPOLYMER AND POLYMER COMPOSITION COMPRISING SAID BLOCK COPOLYMER AND A MONO VINYLARENE ACRYLATE COPOLYMER
    10.
    发明申请
    MONO VINYL AROMATIC CONJUGATED DIENE BLOCK COPOLYMER AND POLYMER COMPOSITION COMPRISING SAID BLOCK COPOLYMER AND A MONO VINYLARENE ACRYLATE COPOLYMER 有权
    单芳基芳族二烯嵌段共聚物和聚合物组合物，包含嵌段共聚物和单芳基丙烯酸酯共聚物

    公开(公告)号：US20160168303A1

    公开(公告)日：2016-06-16

    申请号：US14903505

    申请日：2014-07-07

    Applicant: STYROLUTION GROUP GMBH

    Inventor： Norber NIESSNER ,  Christof MEHLER ,  Konrad KNOLL ,  Thomas W. COCHRAN

    IPC: C08F293/00 ,  C08L25/14

    CPC classification number: C08F293/005 ,  C08F297/04 ,  C08L25/14 ,  C08L2201/08 ,  C08L2205/06 ,  C08L53/02

    Abstract: The present invention relates to novel block copolymers comprising at least one mono vinyl aromatic monomer (also referred to as mono vinylarene) and at least one conjugated diene monomer, in particular to styrene butadiene block copolymers (SBC), with a defined block structure. The invention further relates to polymer blends which comprise at least one block copolymer and at least one mono vinylarene acrylate copolymer, in particular a styrene-methyl methacrylate copolymer. Related methods for preparation and articles prepared from the polymer blends are also provided.

    Abstract translation: 本发明涉及包含至少一种单乙烯基芳族单体（也称为单乙烯基芳烃）和至少一种共轭二烯单体，特别是具有限定嵌段结构的苯乙烯丁二烯嵌段共聚物（SBC））的新型嵌段共聚物。 本发明还涉及包含至少一种嵌段共聚物和至少一种单乙烯基芳烃丙烯酸酯共聚物，特别是苯乙烯 - 甲基丙烯酸甲酯共​​聚物的聚合物共混物。 还提供了相关的制备方法和由聚合物共混物制备的制品。

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