Thermoplastic moulding compounds
    2.
    发明授权
    Thermoplastic moulding compounds 失效
    热塑性模塑料

    公开(公告)号:US6162867A

    公开(公告)日:2000-12-19

    申请号:US254916

    申请日:1999-03-17

    摘要: The invention relates to thermoplastic molding compositions comprisingA) from 30 to 98% by weight of a graft copolymer comprisinga.sub.K) from 30 to 90% by weight of an elastomeric graft core,a.sub.S) from 10 to 70% by weight of a graft shell comprisinga.sub.S /1) from 50 to 100% by weight of a styrene compound or a C.sub.1 -C.sub.8 -alkyl acrylate or methacrylate, or a mixture thereof, anda.sub.S /2) from 0 to 50% by weight of one or more other monomers,B) from 1 to 50% by weight of a thermoplastic polymer andC) from 1 to 70% by weight of an elastomeric block copolymer prepared by anionic polymerization of the monomers with addition of a potassium compound soluble in non-polar solvents (Step 1) followed by hydrogenation of all or virtually all the olefinic double bonds of the polymer obtained in Step 1, as described in greater detail herein.

    摘要翻译: PCT No.PCT / EP97 / 04912 Sec。 371日期1999年3月17日 102(e)1999年3月17日PCT 1997年9月9日PCT公布。 公开号WO98 / 12256 1998年3月26日本发明涉及热塑性模塑组合物,其包含A)30至98重量%的接枝共聚物,其包含aK = 30至90重量%的弹性体接枝芯,aS)10至70重量% 包含50重量%至100重量%的苯乙烯化合物或丙烯酸或甲基丙烯酸C 1 -C 8烷基酯或其混合物的S / 1)的重量,S / 2)0至50重量% 一种或多种其它单体,B)1至50重量%的热塑性聚合物和C)1至70重量%的通过单体的阴离子聚合制备的弹性体嵌段共聚物,加入可溶于非离子的钾化合物 - 极性溶剂(步骤1),随后氢化步骤1中获得的聚合物的所有或几乎所有的烯属双键,如本文更详细描述的。

    Thermoplastic molding materials
    4.
    发明授权
    Thermoplastic molding materials 失效
    热塑性成型材料

    公开(公告)号:US5760134A

    公开(公告)日:1998-06-02

    申请号:US721539

    申请日:1996-09-26

    IPC分类号: C08L51/00 C08L53/02 C08L51/04

    摘要: Thermoplastic molding materials of A) from 30 to 98% by weight of a graft polymer of a.sub.c) from 30 to 90% by weight of an elastomeric graft core and a.sub.s) from 10 to 70% by weight of a graft shell, B) from 1 to 50% by weight of a thermoplastic polymer, C) from 1 to 70% by weight of an elastomeric block copolymer, and D) from 0 to 30% by weight of a polymer having a star-like structure.

    摘要翻译: A)30至98重量%的交联聚合物(ac)为30至90重量%的弹性体接枝芯,以及10至70重量%的接枝壳,B)从 1至50重量%的热塑性聚合物,C)1至70重量%的弹性体嵌段共聚物,和D)0至30重量%的具有星形结构的聚合物。

    Thermoplastic moulding compounds
    5.
    发明授权
    Thermoplastic moulding compounds 失效
    热塑性模塑料

    公开(公告)号:US06235839B1

    公开(公告)日:2001-05-22

    申请号:US09254917

    申请日:1999-03-17

    IPC分类号: C08L5100

    摘要: Thermoplastic molding compositions comprising A) a graft polymer comprising 1) an elastomeric graft core, obtainable by copolymerization of one or more C1-C10-alkyl acrylates, and a monomer with crosslinking effect, and 2) a graft shell comprising a styrene compound or a C1-C8-alkyl acrylate or methacrylate, or a mixture of the styrene compound and the C1-C8-alkyl acrylate or methacrylate, and B) a thermoplastic polymer comprising C) an elastomeric block copolymer in which all or virtually all of the olefinic double bonds have been hydrogenated, comprising at least one block A, which forms a hard phase and contains, in its polymer chain, units of a vinylaromatic monomer, and/or a block B, which forms a first elastomeric (soft) phase and contains diene monomers, and at least one elastomeric block B/A, which forms a soft phase, and contains, randomly in its polymer chain, units of both a vinylaromatic monomer and a diene, where the glass transition temperature Tg of the block A is above 25° C. and that of the block B/A is below 25° C. and the phase-volume ratio of block A to block B/A is chosen so that the proportion of the hard phase in the entire block copolymer is from 1 to 40% by volume and the proportion by weight of the diene is less than 50% by weight.

    摘要翻译: 包含A)接枝聚合物的热塑性成型组合物,其包含1)通过一种或多种丙烯酸C 1 -C 10烷基酯的共聚获得的弹性体接枝核心和具有交联效应的单体,和2)包含苯乙烯化合物或C 1 -C 8 烷基丙烯酸酯或甲基丙烯酸酯,或苯乙烯化合物和丙烯酸或甲基丙烯酸C 1 -C 8烷基酯的混合物,和B)包含C)弹性体嵌段共聚物的热塑性聚合物,其中所有或几乎所有的烯属双键已被氢化, 包含至少一个嵌段A,其形成硬质相并且在其聚合物链中包含乙烯基芳族单体和/或嵌段B的单元,所述单元形成第一弹性体(软)相并含有二烯单体,并且至少 一个弹性体嵌段B / A,其形成软相,并且在其聚合物链中随机含有乙烯基芳族单体和二烯的单元,其中嵌段A的玻璃化转变温度Tg高于25° 并且块B / A的相体积比低于25℃,并且选择块A与嵌段B / A的相体积比,使得整个嵌段共聚物中硬相的比例为1至40 体积比,二烯重量比小于50重量%。

    Highly transparent and tough-stiff styrene-butadiene block copolymer mixtures
    8.
    发明授权
    Highly transparent and tough-stiff styrene-butadiene block copolymer mixtures 有权
    高度透明和坚韧的苯乙烯 - 丁二烯嵌段共聚物混合物

    公开(公告)号:US08217104B2

    公开(公告)日:2012-07-10

    申请号:US12306258

    申请日:2007-06-13

    摘要: A mixture which comprises a) from 25 to 75% by weight of a block copolymer A which comprises at least one hard block S composed of vinylaromatic monomers and comprises one or more soft blocks BA in each case composed of from 0 to 5% by weight of vinylaromatic monomers and from 95 to 100% by weight of dienes, where the proportion by weight of the hard blocks S in the block copolymer A is from 65 to 90% by weight; b) from 5 to 25% 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 in each case composed of from 20 to 60% by weight of vinylaromatic monomers and from 80 to 40% by weight of dienes, where the proportion by weight of the hard blocks S in the block copolymer B is from 25 to 70% by weight; c) from 0 to 70% 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 D, where the entirety of components A) to D) gives 100% by weight, and use for transparent thermoforming foils or transparent injection-molded items.

    摘要翻译: 一种混合物,其包含a)25至75重量%的嵌段共聚物A,其包含至少一种由乙烯基芳族单体组成的硬质块S,并且包含一种或多种软块BA,每种情况由0至5重量% 的乙烯基芳族单体和95〜100重量%的二烯,其中嵌段共聚物A中的硬质块S的重量比为65〜90重量% b)5至25重量%的嵌段共聚物B,其包含至少一种由乙烯基芳族单体组成的硬质块S,并且包含一种或多种共聚物嵌段(B / S)B,每种情况下由20至60%由 乙烯基芳族单体的重量和80〜40重量%的二烯,其中嵌段共聚物B中的硬质块S的重量比为25〜70重量% c)0至70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D,其中组分A)至D)的总量为100 重量%,用于透明热成型箔或透明注塑件。

    Tough and rigid mixtures of alpha-methylstyrene-acrylnitrile copolymers and of block copolymers
    9.
    发明授权
    Tough and rigid mixtures of alpha-methylstyrene-acrylnitrile copolymers and of block copolymers 失效
    α-甲基苯乙烯 - 丙烯腈共聚物和嵌段共聚物的韧性和刚性混合物

    公开(公告)号:US08158722B2

    公开(公告)日:2012-04-17

    申请号:US12921043

    申请日:2009-03-04

    IPC分类号: B32B1/08 C08L53/02

    摘要: Composition comprising at least one copolymer A composed of at least one alkylated styrene, of acrylonitrile, and, if appropriate, of at least one further monomer, at least one block copolymer B which has at least one block forming a hard phase and composed of at least one vinylaromatic monomer and has at least one block forming a soft phase and composed of at least one vinylaromatic monomer and of at least one diene, and at least one further copolymer C, and, if appropriate, one polymer D, where the copolymer C is at least one triblock copolymer composed of a first block composed of at least one vinylaromatic monomer, of a second block composed of at least one diene, and of a third block composed of at least one methyl methacrylate monomer, or comprising at least 50% by weight of methyl methacrylate, and the polymer D is at least one styrene polymer selected from glass-clear and impact-resistant polystyrene. The present invention moreover relates to a process for the preparation of the inventive compositions, to the use of the inventive compositions for the production of moldings, of foils, of fibers, or of foams, to moldings, foils, fibers, or foams comprising the inventive composition, and also to the use of the inventive composition as packaging for electronic components, such as integrated circuits (microchips) (“electronic packing”), for applications in chemical engineering, in household products, in bathroom items, e.g. toothbrush tumblers, cosmetics holders, etc., as housings, as tubes, as profiles, for medical items or medical devices, and in toys.

    摘要翻译: 组合物,其包含至少一种由至少一种烷基化苯乙烯,丙烯腈和(如果合适的话)至少一种另外的单体组成的共聚物A,至少一种嵌段共聚物B,其具有至少一个形成硬相的嵌段, 至少一种乙烯基芳族单体,并且具有至少一个形成软相并由至少一种乙烯基芳族单体和至少一种二烯构成的嵌段和至少一种其它共聚物C,以及如果合适的话,一种聚合物D,其中共聚物C 是由至少一种乙烯基芳族单体组成的第一嵌段,至少由一种二烯构成的第二嵌段和由至少一种甲基丙烯酸甲酯单体组成的第三嵌段或至少包含至少50% 的甲基丙烯酸甲酯,聚合物D是选自玻璃透明和耐冲击聚苯乙烯的至少一种苯乙烯聚合物。 本发明还涉及制备本发明组合物的方法,本发明组合物用于生产模制品,箔,纤维或泡沫的用途,用于模制品,箔,纤维或泡沫,其包括 本发明的组合物,以及本发明组合物用作电子部件的包装,例如集成电路(微芯片)(“电子包装”),用于化学工程,家用产品,浴室用品中的应用,例如 牙刷滚筒,化妆品保持器等,作为外壳,作为管,用作医疗用品或医疗装置的型材,以及玩具。