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    • 1. 发明申请
    • RUBBER LATEX, GRAFT COPOLYMER, AND THERMOPLASTIC RESIN COMPOSITION
    • 橡胶树脂,树脂共聚物和热塑性树脂组合物
    • WO1997021770A1
    • 1997-06-19
    • PCT/JP1995002548
    • 1995-12-13
    • KANEGAFUCHI KAGAKU KOGYO KABUSHIKI KAISHAMISHIMA, IkuhiroDOI, NoritoMATSUMURA, YouichiMATSUMOTO, ShigemiOCHIKOSHI, ShinobuWADA, KazuhitoYOSHINO, Hiroki
    • KANEGAFUCHI KAGAKU KOGYO KABUSHIKI KAISHA
    • C08L21/02
    • C08L21/02C08C1/07C08F265/04C08F279/02C08L51/04C08L2666/04C08L2666/02
    • A rubber latex prepared by adding to 100 parts by weight (on a solid basis) of a rubber latex (B) 0.1 to 15 parts by weight (on a dry basis) of an acid radical-containing latex (A) having an average particle diameter in the range of from 50 to 500 nm and prepared by polymerizing a monomer mixture composed of 5 to 25 % by weight of at least one unsaturated acid (a) selected from among acrylic acid, methacrylic acid, itaconic acid, and crotonic acid, 20 to 95 % by weight of at least one alkyl methacrylate (b) wherein the alkyl group has 1 to 12 carbon atoms, 0 to 30 % by weight of at least one alkyl acrylate (c) wherein the alkyl group has 1 to 12 carbon atoms, and 0 to 40 % by weight of at least one monomer (d) selected from the group consisting of aromatic vinyl compounds copolymerizable with the components (a), (b), and (c), compounds each having two or more polymerizable functional groups in its molecule, and vinyl cyanide (the total amount of the components (a), (b), (c) and (d) being 10 % by weight), and effecting the aggregation and enlargement of the latex particles. A graft copolymer prepared using the rubber latex and a thermoplastic resin composition containing the graft copolymer are also provided. No significant formation of lumps occurs during the preparation of the acid radical-containing latex and the step of enlargement. The thermoplastic resin composition containing the graft copolymer prepared using the rubber latex is excellent particularly in impact resistance and, further, has good heat resistance and moldability.
    • 将100重量份(以固体计)加入0.1重量份(以干基计)的含有酸性基团的胶乳(A)的橡胶胶乳(B)制备的橡胶胶乳,其具有平均颗粒 直径在50至500nm范围内,并且通过聚合由5至25重量%的至少一种选自丙烯酸,甲基丙烯酸,衣康酸和巴豆酸的不饱和酸(a)组成的单体混合物制备, 20至95重量%的至少一种甲基丙烯酸烷基酯(b),其中烷基具有1至12个碳原子,0至30重量%的至少一种丙烯酸烷基酯(c),其中烷基具有1至12个碳 和0〜40重量%的至少一种选自可与组分(a),(b)和(c)共聚的芳族乙烯基化合物的单体(d),各自具有两个或更多个可聚合的 其分子中的官能团和氰化乙烯(组分(a),(b),(c)和(d)的总量 ng 10重量%),并且实现胶乳颗粒的聚集和扩大。 还提供了使用橡胶胶乳制备的接枝共聚物和含有接枝共聚物的热塑性树脂组合物。 在制备含有酸性基团的胶乳期间不发生团块的显着形成和扩大步骤。 含有使用橡胶胶乳制备的接枝共聚物的热塑性树脂组合物在耐冲击性方面特别优异,并且具有良好的耐热性和成型性。
    • 9. 发明申请
    • HEAT-RESISTANT THERMOPLASTIC RESIN COMPOSITION
    • 耐热热塑性树脂组合物
    • WO1996015192A1
    • 1996-05-23
    • PCT/JP1995002261
    • 1995-11-07
    • KANEGAFUCHI KAGAKU KOGYO KABUSHIKI KAISHAYAMASHITA, KoichiKOBAYASHI, HiroshiASADA, Masahiro
    • KANEGAFUCHI KAGAKU KOGYO KABUSHIKI KAISHA
    • C08L77/00
    • C08L77/00C08F279/02C08L25/12C08L51/00C08L51/04C08L2666/02C08L25/00
    • A heat-resistant thermoplastic resin composition comprising 5-95 parts by weight of a polyamide resin (A), 5-95 parts by weight of an unsaturated carboxylic acid copolymer (B) comprising 40-80 wt.% of an aromatic vinyl compound, 15-50 wt.% of a vinyl cyanide compound, 0.1-20 wt.% of an unsaturated carboxylic acid compound and 0-30 wt.% of other copolymerizable vinyl compound, and 5-50 parts by weight of a graft copolymer (C) prepared by grafting 60-5 wt.% of a vinyl compound onto 40-95 wt.% of a diene rubber having an average particle diameter of 0.1-2.0 mu m, which composition further contains kaolin (D) in an amount of 0.1-30 parts by weight per 100 parts by weight in total of the components (A), (B) and (C). The composition provides moldings excellent in thermal deformation and impact resistances and appearance, and has a good flowability in molding.
    • 一种耐热性热塑性树脂组合物,其包含5-95重量份的聚酰胺树脂(A),5-95重量份的包含40-80重量%的芳族乙烯基化合物的不饱和羧酸共聚物(B) 15-50重量%的乙烯基氰化合物,0.1-20重量%的不饱和羧酸化合物和0-30重量%的其它可共聚乙烯基化合物和5-50重量份接枝共聚物(C )通过将60-5重量%的乙烯基化合物接枝到40-95重量%的平均粒径为0.1-2.0μm的二烯橡胶中,该组合物还含有0.1重量%的高岭土(D) 相对于组分(A),(B)和(C)的总计100重量份,为-30重量份。 该组合物提供了热变形和耐冲击性和外观优异的模制品,并且在成型中具有良好的流动性。