Polymer mixture
    1.
    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

    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。

    Mixtures of thermoplastic polymers in powder form
    2.
    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。

    Thermoplastic compositions in powder form
    10.
    发明授权
    Thermoplastic compositions in powder form 失效
    粉末形式的热塑性组合物

    公开(公告)号:US4522959A

    公开(公告)日:1985-06-11

    申请号:US594284

    申请日:1984-03-28

    摘要: A process for the production of a pulverulent mixture consisting of(A) from 60 to 99 parts by weight of a brittle copolymer consisting of acrylonitrile and styrene, .alpha.-methylstyrene, methyl methacrylate or mixtures thereof, and(B) from 1 to 40 parts by weight of a flexible rubber-elastic polymer,by coagulating, in a first stage, a latex of (A) or a mixture of a latex of (A) and a part of a latex of (B), adding, in a second stage, the latex of (B) or the remaining part of the latex of (B), so that the desired quantity ratio of (A) to (B) is attained, and, in a third stage, separating the precipitated mixture of (A) and (B) from the aqueous phase, and drying it.

    摘要翻译: 一种由(A)60至99重量份由丙烯腈和苯乙烯组成的脆性共聚物,α-甲基苯乙烯,甲基丙烯酸甲酯或其混合物的粉末混合物的制备方法,(B)1至40份 (A)的胶乳或(A)的胶乳与(B)的一部分胶乳的混合物在第一阶段中凝固,在第二阶段中, (B)的胶乳或(B)的胶乳的剩余部分,从而达到(A)〜(B)的所需量比,在第三阶段,将沉淀的( A)和(B)从水相中干燥。