Polymer mixtures of high ageing resistance
    13.
    发明授权
    Polymer mixtures of high ageing resistance 失效
    高耐老化聚合物混合物

    公开(公告)号:US5272205A

    公开(公告)日:1993-12-21

    申请号:US435056

    申请日:1989-11-13

    CPC分类号: C08L51/04 C08L51/085

    摘要: Molding compounds of(A) 5 to 95% by weight of a graft product of a mixture of 50 to 100 parts by weight styrene, .alpha.-methyl styrene, vinyl toluene, methyl methacrylate or mixtures thereof and 0 to 50 parts by weight acrylonitrile on a particulate silicone rubber with a mean particle diameter (d.sub.50) of from 0.10 to 0.50 .mu.m having a total rubber content of from 30 to 90% by weight and(B) 95 to 5% by weight of a graft product of a mixture of 50 to 100 parts by weight styrene, .alpha.-methyl styrene, vinyl toluene, methyl methacrylate or mixtures thereof and 0 to 50 parts by weight acrylonitrile on a particulate acrylate rubber with a mean particle diameter (d.sub.50) of from 0.05 to 1.00 .mu.m having a total rubber content of 30 to 80% by weight.

    摘要翻译: (A)5至95重量%的50至100重量份苯乙烯,α-甲基苯乙烯,乙烯基甲苯,甲基丙烯酸甲酯或其混合物和0至50重量份丙烯腈的混合物的接枝产物的成型化合物 平均粒径(d50)为0.10〜0.50μm,总橡胶含量为30〜90重量%的颗粒状硅橡胶,(B)95〜5重量%的 50至100重量份的苯乙烯,α-甲基苯乙烯,乙烯基甲苯,甲基丙烯酸甲酯或其混合物,以及0至50重量份的丙烯腈在平均粒径(d50)为0.05至1.00微米的丙烯酸甲酯橡胶上具有 总橡胶含量为30〜80重量%。

    Thermoplastic compositions of polyurethanes and partly crosslinked alkyl
acrylate copolymers
    14.
    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

    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
    16.
    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

    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。

    Block copolymers containing polysiloxane segments
    20.
    发明授权
    Block copolymers containing polysiloxane segments 失效
    含有聚硅氧烷链段的嵌段共聚物

    公开(公告)号:US4968750A

    公开(公告)日:1990-11-06

    申请号:US427935

    申请日:1989-10-25

    IPC分类号: C08G77/442

    CPC分类号: C08G77/442

    摘要: Block copolymers composed of recurrent structural units belonging to the series comprising polysiloxanes and recurring structural units belonging to the series comprising homopolymers, copolymers or terpolymers of vinyl-aromatic compounds and acrylic monomers of mixtures thereof.

    摘要翻译: 由属于包含聚硅氧烷的系列的复发结构单元和属于该系列的重复结构单元组成的嵌段共聚物包括乙烯基芳族化合物的均聚物,共聚物或三元共聚物和其混合物的丙烯酸单体。