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    • 10. 发明授权
    • Method for producing rubber modified thermoplastic resins
    • 橡胶改性热塑性树脂的制造方法
    • US4880877A
    • 1989-11-14
    • US946058
    • 1986-12-24
    • Teruhiko SugimoriNoriyuki TajiriFumio SuzukiHideaki HabaraYutaro FukudaHaruki Sato
    • Teruhiko SugimoriNoriyuki TajiriFumio SuzukiHideaki HabaraYutaro FukudaHaruki Sato
    • C08J3/00C08L51/04
    • C08J3/005C08L51/04
    • Disclosed is a method for producing a rubber modified thermoplastic resin which comprises carrying out all or a part of the following steps (I)-(VI):(I) a setp of mixing the following (A), (B), (C) and thermoplastic resin (2):(A) a latex of gfart rubber polymer (1),(B) an organic agent which is capable of dissolving thermoplastic resin (2) and has a solubility in water of 5% by weight or less t a temperature at which (A), (B), (C) and thermoplastic resin (2) are mixed, amount of the organic agent being 10-600% by weight of polymer (4) which is the sum of graft rubber polymer (1) and thermoplastic resin (2) and(C) a warer soluble agent capable of coagulating latex (A), amount of this agent being 10% by weight or less of graft rubber polymer (1),(II) a step of separating and removing aqueous phase from a two-phase mixture obtained in the mixing step (I),(III) a step of mixing the mixture from which the aqueous phase hsa been removed at step (II) and the whole or a part of thermoplastic resin (3),(IV) a step of removing a part or the whole of ogranic agent (B) and remaining water from the mixture obtained at step (III) by a thermal means,(V) a step of mixing the remainder of thermoplastic resin (3) in case a part of thermoplastic resin (3) has been mixed at step (III), and(VI) a step of removing the remainder of organic agent (B) in case only a part of organic agent (B) has been removed at step (IV).
    • 公开了一种橡胶改性热塑性树脂的制造方法,其特征在于,进行以下(I)〜(VI)的全部或一部分步骤(I):(I)将下述(A),(B),(C )和热塑性树脂(2):(A)gfart橡胶聚合物(1)的胶乳,(B)能够溶解热塑性树脂(2)并且在水中的溶解度为5重量%以下的有机试剂 (A),(B),(C)和热塑性树脂(2)混合时,有机试剂的量为聚合物(4)的10-600重量%,其为接枝橡胶聚合物 1)和热塑性树脂(2)和(C)能够凝固胶乳(A)的较易溶解剂,该试剂的量为接枝橡胶聚合物(1)的10重量%以下,(II)分离步骤 以及从混合步骤(I),(III)中获得的两相混合物中除去水相的步骤是将在步骤(II)中除去水相hsa的混合物与热塑性树脂的全部或部分混合的步骤 苯乙烯树脂(3),(Ⅳ)通过加热方法从步骤(III)获得的混合物中除去部分或全部异味剂(B)和剩余水的步骤,(Ⅴ) 在热塑性树脂(3)的一部分已经在步骤(III)中混合的情况下,热塑性树脂(3)的热塑性树脂(3),和(VI)在仅有一部分有机试剂的情况下去除剩余的有机试剂(B)的步骤 B)已经在步骤(IV)被去除。