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    • 2. 发明授权
    • Rubber latexes, graft copolymers, and thermoplastic resin compositions
    • 橡胶胶乳,接枝共聚物和热塑性树脂组合物
    • US6136918A
    • 2000-10-24
    • US68014
    • 1998-04-30
    • Ikuhiro MishimaNorito DoiYouichi MatsumuraShigemi MatsumotoShinobu OchikoshiKazuhito WadaHiroki Yoshino
    • Ikuhiro MishimaNorito DoiYouichi MatsumuraShigemi MatsumotoShinobu OchikoshiKazuhito WadaHiroki Yoshino
    • C08C1/07C08F265/04C08F279/02C08L21/02C08L51/04C08F291/02C08L33/06
    • C08L21/02C08C1/07C08F265/04C08F279/02C08L51/04
    • A rubber latex with its particles grown through cohesion by adding 100 weight parts of (B) a rubber latex (solid), 0.1-15 weight parts (solid) of (A) an acid group-containing latex having an average particle size of 50-500 nm prepared by polymerizing a monomer mixture comprising (a), (b), (c) and (d) [wherein (a)+(b)+(c)+(d)=100 weight %]: (a) 5-25 weight % of at least one of unsaturated acids selected from the group consisting of acrylic acid, methacrylic acid, itaconic acid and crotonic acid, (b) 20-95 weight % of at least one of alkyl methacrylates with its alkyl group 1-12 in carbon number, (c) 0-30 weight % of at least one of alkyl acrylates with its alkyl group 1-12 in carbon number, (d) 0-40 weight % of at least one selected from the group consisting of aromatic vinyls, compounds having at least two polymerizable functional groups in a molecule and vinyl cyanides, copolymerizable with the aforementioned (a), (b) and (c) is provided. The rubber latex and a graft copolymer containing it and thermoplastic resins incorporating said graft copolymer are excellent in impact strength, heat resistance and workability.
    • PCT No.PCT / JP95 / 02548 Sec。 371日期:1998年4月30日 102(e)1998年4月30日PCT 1995年12月13日PCT PCT。 出版物WO97 / 21770 日期:1996年6月19日通过加入100重量份(B)橡胶胶乳(固体),0.1-15重量份(固体)(A)含酸基胶乳的胶乳(其具有 通过聚合包含(a),(b),(c)和(d)[其中(a)+(b)+(c)+(d))= 100重量的单体混合物制备的平均粒径为50-500nm %):(a)5-25重量%的选自丙烯酸,甲基丙烯酸,衣康酸和巴豆酸的不饱和酸中的至少一种,(b)20-95重量%的至少一种烷基 其碳原子数为1-12的甲基丙烯酸酯,(c)0-30重量%的碳原子数为1-12的烷基丙烯酸烷基酯中的至少一种,(d)0-40重量%的至少一种 选自芳族乙烯基,分子中具有至少两个可聚合官能团的化合物和可与上述(a),(b)和(c)共聚的乙烯基氰化物)。 橡胶胶乳和含有它的接枝共聚物和结合所说接枝共聚物的热塑性树脂具有优异的冲击强度,耐热性和可加工性。
    • 4. 发明授权
    • Thermoplastic resin composition and interior or exterior parts for vehicle thereof
    • 热塑性树脂组合物及其车辆的内部或外部部件
    • US06277913B1
    • 2001-08-21
    • US09315812
    • 1999-05-21
    • Ikuhiro MishimaKazuhito Wada
    • Ikuhiro MishimaKazuhito Wada
    • C08L5108
    • C08L33/12C08F255/00C08F265/04C08F279/02C08F283/12C08L23/02C08L25/14C08L33/06C08L33/062C08L33/08C08L33/10C08L35/06C08L51/04C08L51/06C08L55/02C08L2666/02C08L2666/24C08L2666/06C08L2666/14C08L2666/04
    • There is provided a thermoplastic resin composition and interior or exterior parts for vehicle using thereof, which is excellent in flexibility, surface appearance, heat deformation property at heating and has low tackiness at a high temperature. The thermoplastic resin composition comprises 25 to 90 parts by weight of a (meth)acrylic ester copolymer (X), which is prepared by polymerizing 40 to 95% by weight of a (meth)acrylic ester, 0 to 40% by weight of a vinyl cyanide compound, not more than 60% by weight of an aromatic vinyl compound and 0 to 40% by weight of a monomer copolymerizable therewith, and has a glass transition temperature of not more than 20° C. and a gel content of not more than 50% by weight, 5 to 75 parts by weight of a copolymer (Y), which has a glass transition temperature or a melting point not less than 50° C., and 0 to 70 parts by weight of a graft copolymer (Z), which is prepared by polymerizing 5 to 95% by weight of a rubber polymer (A) and 5 to 95% by weight of a vinyl monomer (B), and wherein hardness thereof at 20° C. measured by the method of JIS K6301 is 30 to 100.
    • 提供一种热塑性树脂组合物及其使用的车辆内部或外部部件,其柔软性,表面外观,加热时的热变形性优异,并且在高温下具有低粘性。 热塑性树脂组合物包含25〜90重量份的(甲基)丙烯酸酯共聚物(X),其通过聚合40〜95重量%的(甲基)丙烯酸酯,0〜40重量%的 乙烯基氰化合物,不超过60重量%的芳族乙烯基化合物和0至40重量%的可与其共聚的单体,并且玻璃化转变温度不超过20℃,凝胶含量不超过 50重量%,5〜75重量份的玻璃化转变温度或熔点不低于50℃的共聚物(Y)和0〜70重量份的接枝共聚物(Z ),其通过使5〜95重量%的橡胶聚合物(A)和5〜95重量%的乙烯基单体(B)聚合而制备,并且其中在20℃下的硬度通过JIS K6301是30到100。
    • 10. 发明授权
    • Rubber-containing resin composition and styrene resin composition
containing the same
    • 含有橡胶的树脂组合物和含有它的苯乙烯树脂组合物
    • US5990240A
    • 1999-11-23
    • US893556
    • 1997-07-11
    • Ikuhiro MishimaYo-ichi MatsumuraYoshihiko HashimotoShigemi Matsumoto
    • Ikuhiro MishimaYo-ichi MatsumuraYoshihiko HashimotoShigemi Matsumoto
    • C08L15/00C08F2/22C08L21/02C08L25/00C08L25/12C08L51/04C08L55/00C08L55/02C08L9/00
    • C08L25/12C08L55/02
    • A rubber-containing resin composition suitable as an impact modifier for styrene resins (such as styrene homopolymer and copolymers and polymer alloys thereof with other thermoplastic resins), which comprises (A) a graft copolymer having a graft ratio of 10 to 80% by weight wherein a graft component comprising 15 to 60% by mole of at least one vinyl cyanide compound, 40 to 85% by mole of at least one aromatic vinyl compound and 0 to 30% by mole of at least one other monomer copolymerizable with them is graft-copolymerized onto a diene rubber having a volume average particle size of 100 to 1,000 nm by an emulsion polymerization method, and (B) an emulsion-polymerized copolymer of 15 to 60% by mole of at least one vinyl cyanide compound, 40 to 85% by mole of at least one aromatic vinyl compound and 0 to 30% by mole of at least one other monomer copolymerizable with them, which has a weight average molecular weight of 5,000 to 90,000 and a ratio of weight average molecular weight to number average molecular weight of 1.5 to 4.5, in which the ratio of the graft copolymer (A) to the copolymer (B) is from 50/50 to 95/5 by weight. A styrene resin composition comprising the rubber-containing resin composition and a styrene resin provides molded articles having excellent properties such as impact resistance, mechanical property, heat resistance and surface appearance with good processability.
    • 适合作为苯乙烯类树脂(例如苯乙烯均聚物及其与其它热塑性树脂的共聚物及其聚合物合金)的抗冲改性剂的含橡胶的树脂组合物,其包含(A)接枝率为10〜80重量% 其中,含有15〜60摩尔%的至少一种乙烯基氰化合物,40〜85摩尔%的至少一种芳族乙烯基化合物和0〜30摩尔%的与其共聚的至少一种其他单体的接枝成分是接枝 通过乳液聚合法共聚到体积平均粒径为100〜1000nm的二烯系橡胶上,(B)15〜60摩尔%的至少一种乙烯基氰化合物的乳液聚合共聚物,40〜85 摩尔%的至少一种芳族乙烯基化合物和0至30摩尔%的至少一种可与其共聚的其它单体,其重均分子量为5,000至90,000,重均分子量与数量的比率 平均分子量为1.5至4.5,其中接枝共聚物(A)与共聚物(B)的比例为50/50至95/5重量比。 包含含橡胶的树脂组合物和苯乙烯树脂的苯乙烯树脂组合物提供了具有优异的性能如耐冲击性,机械性能,耐热性和表面外观的加工性能优异的模制品。