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    • 9. 发明公开
    • 충격성과 유동성이 우수한 열가소성 수지 조성물
    • 热塑性树脂组合物具有改善的冲击强度和熔体流动性
    • KR1020110079489A
    • 2011-07-07
    • KR1020100096046
    • 2010-10-01
    • 제일모직주식회사
    • 정진화권기혜구자관김일진
    • C08L25/08C08L53/02C08L33/18
    • PURPOSE: A styrenic thermoplastic resin composition and molded products manufactured from the composition are provided to improve impact strength and flowability as well as moldability by adding a styrene-copolymer resin having a branched structure including a silicon-based compound to a blend of a styrenic copolymer resin and a rubber modified vinyl graft copolymer resin. CONSTITUTION: A styrene based thermoplastic resin composition comprises: (A) about 10 to about 99 % by weight of a thermoplastic resin including one or more selected from the group consisting of (a1) styrenic copolymer resin; and (a2) rubber-modified vinyl graft copolymer; and (B) about 1 to about 90 % by weight of a branched styrenic copolymer resin prepared by including a silicon based compound. The branched styrenic copolymer resin prepared by including a silicon based compound is a copolymer or a combination thereof prepared by copolymerizing (b1) an aromatic vinyl based monomer, (b2) an unsaturated nitrile based monomer, (b3) a (meth)acrylic monomer, and (b4) a silicon based compound having two or more unsaturated functional groups.
    • 目的:提供苯乙烯类热塑性树脂组合物和由该组合物制成的成型体,以通过将具有包含硅基化合物的支链结构的苯乙烯共聚物树脂加入到苯乙烯共聚物的共混物中来提高冲击强度和流动性以及成型性 树脂和橡胶改性的乙烯基接枝共聚物树脂。 构成:苯乙烯类热塑性树脂组合物包含:(A)约10〜约99重量%的包含选自(a1)苯乙烯共聚物树脂中的一种或多种的热塑性树脂; 和(a2)橡胶改性的乙烯基接枝共聚物; 和(B)约1至约90重量%的通过包含硅基化合物制备的支化苯乙烯共聚物树脂。 通过包含硅基化合物制备的支化苯乙烯共聚物树脂是通过共聚(b1)芳族乙烯基类单体,(b2)不饱和腈基单体,(b3)(甲基)丙烯酸单体, 和(b4)具有两个或更多个不饱和官能团的硅基化合物。