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172 条记录 (耗时 0.023 秒)

    Thermoplastic compositions of polyurethanes and partly crosslinked alkyl acrylate copolymers
    2.
    发明授权
    Thermoplastic compositions of polyurethanes and partly crosslinked alkyl acrylate copolymers 失效
    聚氨酯和部分交联丙烯酸酯共聚物的热塑性组合物

    公开(公告)号：US5237001A

    公开(公告)日：1993-08-17

    申请号：US713663

    申请日：1991-06-11

    申请人： Karl-Erwin Piejko ,  Ernst Orthmann ,  Christian Lindner ,  Hans-Eberhard Braese

    发明人： Karl-Erwin Piejko ,  Ernst Orthmann ,  Christian Lindner ,  Hans-Eberhard Braese

    IPC分类号： C08L25/14 ,  C08F265/04 ,  C08F279/04 ,  C08L33/04 ,  C08L33/06 ,  C08L73/00 ,  C08L75/00 ,  C08L75/04

    CPC分类号： C08F265/04 ,  C08F279/04 ,  C08L33/06 ,  C08L75/04

    摘要： The present invention is directed to a thermoplastic composition which is a blend of A) a thermoplastic polyurethane and B) an at least partly crosslinked alkyl acrylate copolymer of a C.sub.1-6 alkyl acrylate and a monomer selected from the group consisting of acrylonitrile, styrene, vinyl acetate, C.sub.1-6 alkyl methacrylates and mixtures thereof. The preferred compositions also contain copolymer selected from the group consisting ofC1) a thermoplastic graft product of a rubber component having a glass transition temperature below 0.degree. C., which serves as the graft base, and at least one graft monomer selected from the group consisting of styrene, .alpha.-methyl styrene, acrylonitrile an C.sub.1-6 alkyl methacrylate,C2) a rubber-free resin copolymer of styrene or .alpha.-methyl styrene with acrylonitrile,C3) mixtures thereof.

    摘要翻译： 本发明涉及一种热塑性组合物，其是A）热塑性聚氨酯和B）至少部分交联的丙烯酸C 1-6烷基酯与选自丙烯腈，苯乙烯， 乙酸乙烯酯，甲基丙烯酸C 1-6烷基酯及其混合物。 优选的组合物还包含共聚物，其选自C1）玻璃化转变温度低于0℃的橡胶组分的热塑性接枝产物，其用作接枝基质，和至少一种选自以下的接枝单体 由苯乙烯，α-甲基苯乙烯，丙烯腈和甲基丙烯酸C 1-6烷基酯组成，C2）苯乙烯或α-甲基苯乙烯与丙烯腈的无橡胶树脂共聚物，C3）其混合物。

    Mixtures of thermoplastic polymers in powder form
    3.
    发明授权
    Mixtures of thermoplastic polymers in powder form 失效
    粉末形式的热塑性聚合物的混合物

    公开(公告)号：US5112910A

    公开(公告)日：1992-05-12

    申请号：US743678

    申请日：1991-08-12

    申请人： Karl-Erwin Piejko ,  Christian Lindner ,  Ralph Ostarek ,  Hans-Eberhard Braese ,  Karl-Heinz Ott

    发明人： Karl-Erwin Piejko ,  Christian Lindner ,  Ralph Ostarek ,  Hans-Eberhard Braese ,  Karl-Heinz Ott

    IPC分类号： C08J3/00 ,  C08L21/00 ,  C08L25/12 ,  C08L33/06 ,  C08L33/12 ,  C08L51/04

    CPC分类号： C08L33/06 ,  C08J3/005 ,  C08L21/00 ,  C08L25/12 ,  C08L33/12 ,  C08L51/04

    摘要： Process for the preparation of mixtures of thermoplastic polymers in powder form from aqueous emulsions ofa) particulate, partly crosslinked rubber-like copolymers of a C.sub.2 -C.sub.8 -alkyl acrylate and/or butadiene with (based on the copolymer) up to 40 wt. % acrylonitrile, styrene or C.sub.1 -C.sub.4 -alkyl methacrylate,b) a thermoplastic resin, and if appropriatec) a rubber-rich graft polymer of styrene, .alpha.-methylstyrene, acrylonitrile, methyl methacrylate and/or alkyl acrylate on a diene or alkyl acrylate rubber having a rubber content of 50 to 95 wt. %,wherein aqueous emulsions of a) and b) and if appropriate c) having polymer contents of 15 to 50 wt. % are mixed with a coagulate solution simultaneously, but in separate streams, continuously or semi-continuously at 20.degree. to 100.degree. C., the polymers a) and b) and if appropriate c) being coagulated, the streams are combined and the polymer mixture is then separated off.

    摘要翻译： 制备粉末形式的热塑性聚合物的混合物的方法，该方法由以下混合物的水性乳液制备：a）丙烯酸C 2 -C 8烷基酯和/或丁二烯与（基于共聚物）的至少40重量％的颗粒部分交联的橡胶状共聚物。 丙烯腈，苯乙烯或甲基丙烯酸C 1 -C 4烷基酯，b）热塑性树脂，如果合适，c）在二烯或烷基上的苯乙烯，α-甲基苯乙烯，丙烯腈，甲基丙烯酸甲酯和/或丙烯酸烷基酯的富含橡胶的接枝聚合物 丙烯酸酯橡胶，其橡胶含量为50〜95重量％ ％，其中a）和b）和如果合适的水性乳液c）具有15至50重量％的聚合物含量。 ％与凝固溶液同时混合，但在单独的流中，在20℃至100℃连续或半连续，聚合物a）和b），如果合适，c）凝结，将流合并，聚合物 混合物然后分离出来。

    Polymer mixture and its use as a modifier for polyvinyl chloride
    6.
    发明授权
    Polymer mixture and its use as a modifier for polyvinyl chloride 失效
    聚合物混合物及其用作聚氯乙烯的改性剂

    公开(公告)号：US4902744A

    公开(公告)日：1990-02-20

    申请号：US275925

    申请日：1988-11-25

    申请人： Christian Lindner ,  Hans-Eberhard Braese ,  Karl-Erwin Piejko

    发明人： Christian Lindner ,  Hans-Eberhard Braese ,  Karl-Erwin Piejko

    IPC分类号： C08L27/00 ,  C08L9/02 ,  C08L21/00 ,  C08L27/06 ,  C08L33/04 ,  C08L33/08 ,  C08L51/00 ,  C08L51/04 ,  C08L55/00 ,  C08L55/02

    CPC分类号： C08L33/08 ,  C08L27/06 ,  C08L51/04 ,  C08L55/02 ,  C08L2205/02

    摘要： A polymer mixture of(a) 45 to 50 parts by weight of a graft product of a mixture of 25 to 40 parts by weight acrylonitrile and 75 to 60 parts by weight styrene, .alpha.-methylstyrene, alkylmethacrylate or mixtures thereof on a particulate, highly crosslinked diene rubber having a rubber content of 20 to 40% by weight,(b) 45 to 10 parts by weight of a graft product of a mixture of 20 to 35 parts by weight acrylonitrile and 80 to 65 parts by weight styrene or .alpha.-methylstyrene on a particulate, highly crosslinked diene rubber having a rubber content of 50 to 75% by weight, the graft yield being greater than 60% by weight,(c) 10 to 50 parts by weight of a particulate, partially crosslinked, rubber-like copolymer of a C.sub.2 -C.sub.8 alkylacrylate and/or butadiene containing up to 40% by weight (based on copolymer) acrylonitrile which has an average particle diameter (d.sub.50) of from 0.1 to 0.3 .mu.m and a gel content of 40 to 99% by weight and(d) optionally up to 5 parts by weight of a high molecular weight, uncrosslinked copolymer of styrene or methylmethacrylate and up to 40% by weight acrylonitrile having an intrinsic viscosity [.eta.] (in dimethylformamide at 20.degree. C. of >4 dl/g,a process for its production and its use as an additive in polyvinyl chloride molding compositions.

    摘要翻译： （a）45至50重量份的25至40重量份丙烯腈和75至60重量份苯乙烯，α-甲基苯乙烯，甲基丙烯酸烷基酯或其混合物的混合物的接枝产物在颗粒状高度 橡胶含量为20〜40重量％的交联二烯橡胶，（b）45〜10重量份的20〜35重量份丙烯腈和80〜65重量份苯乙烯或α-烯烃的混合物的接枝产物， 甲基苯乙烯在橡胶含量为50〜75重量％，接枝收率大于60重量％的颗粒状，高度交联的二烯橡胶上，（c）10〜50重量份的颗粒状，部分交联的橡胶 - 平均粒径（d50）为0.1-0.3μm，凝胶含量为40-99％的含有至多40重量％（基于共聚物）丙烯腈的C2-C8烷基丙烯酸酯和/或丁二烯的共聚物， （d）任选地至多5重量份的高分子量 苯乙烯或甲基丙烯酸甲酯的未交联共聚物和高达40重量％特性粘度η的丙烯腈（在20℃的二甲基甲酰胺中为> 4dl / g，其制备方法及其用作添加剂的方法） 在聚氯乙烯模塑组合物中。

    Polymer mixture
    9.
    发明授权
    Polymer mixture 失效
    聚合物混合物

    公开(公告)号：US5104935A

    公开(公告)日：1992-04-14

    申请号：US447300

    申请日：1989-12-06

    申请人： Edgar Leitz ,  Karl-Erwin Piejko ,  Christian Lindner ,  Karl-Heinz Ott ,  Hans-Eberhard Braese

    发明人： Edgar Leitz ,  Karl-Erwin Piejko ,  Christian Lindner ,  Karl-Heinz Ott ,  Hans-Eberhard Braese

    IPC分类号： C08L25/06 ,  C08L33/00 ,  C08L33/04 ,  C08L33/06 ,  C08L33/08 ,  C08L51/00 ,  C08L51/04 ,  C08L51/06 ,  C08L67/04

    CPC分类号： C08L33/08 ,  C08L51/04 ,  C08L51/003 ,  C08L67/04

    摘要： Polymer mixtures ofa. 10 to 60 parts by weight of a graft polymer,b. 10 to 50 parts by weight of a partially cross-linked, rubber like copolymer of from 5 to 40% by weight of acrylonitrile, styrene, alkyl methacrylate or mixtures thereof and from 95 to 60% by weight of alkyl acrylate having a gel content of from 20 to 99% by weight,c. 5 to 40 parts by weight of an uncross-linked polymer of styrenes, .alpha.-methyl styrenes, acrylonitrile, methacrylonitrile, esters of acrylic acid or methacrylic acid, vinyl C.sub.1 to C.sub.4 carboxylic acids or mixtures of these monomers having Staudinger Indices (.eta.) (determined in dimethyl formamide at 23.degree. C.) of from 0.3 to 1.5 dl/g andd. 1 to 45 parts by weight of a polymer of a cyclic aliphatic ester or of an aliphatic cyclic ester and an aliphatic cyclic carbonate.

    摘要翻译： 聚合物混合物 10〜60重量份的接枝聚合物，b。 10至50重量份的5-40重量％的丙烯腈，苯乙烯，甲基丙烯酸烷基酯或其混合物的部分交联的橡胶状共聚物和95至60重量％的具有凝胶含量的丙烯酸烷基酯 20至99重量％，c。 5至40重量份苯乙烯，α-甲基苯乙烯，丙烯腈，甲基丙烯腈，丙烯酸或甲基丙烯酸的酯，乙烯基C1至C4羧酸或具有Staudinger指数（eta）的这些单体的混合物的未交联聚合物 在23℃的二甲基甲酰胺中测定）为0.3〜1.5dl / g，d。 1至45重量份的环状脂族酯或脂族环酯和脂族环状碳酸酯的聚合物。