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    • 1. 发明授权
    • Composition of styrene-acrylonitrile copolymer matrix with particles of
graft copolymer and crosslinked copolymer
    • 苯乙烯 - 丙烯腈共聚物基体与接枝共聚物和交联共聚物颗粒的组成
    • US5631323A
    • 1997-05-20
    • US567056
    • 1995-12-04
    • Norbert GuntherbergEkkehard JahnsWolfgang FischerGraham E. McKeeBernhard Rosenau
    • Norbert GuntherbergEkkehard JahnsWolfgang FischerGraham E. McKeeBernhard Rosenau
    • C08F2/18C08F2/20C08F212/06C08F212/10C08L25/12C08L51/00C08L51/04C08L55/02C08L35/04
    • C08L25/12C08F212/10C08L55/02C08L51/04
    • Thermoplastic molding materials preparedA) from 35 to 99.5% by weight of a matrix copolymer (A) ofa.sub.1) from 50 to 95% by weight of styrene and/or .alpha.-methylstyrene,a.sub.2) from 5 to 50% by weight of acrylonitrile anda.sub.3) from 0 to 20% by weight of further comonomersB) from 0 to 50% by weight of a particulate graft copolymer (B) which is insoluble in (A), has a median particle diameter of from 0.03 to 1 .mu.m and preparedb.sub.1) from 30 to 80% by weight of a core comprising an elastomeric polymer having a glass transition temperature of less than -10.degree. C. andb.sub.2) from 20 to 70% by weight of a graft shell comprising a polymer which is compatible or partly compatible with (A)andC) from 0.5 to 30% by weight of a particulate crosslinked copolymer (C) which is insoluble in (A), has a median particle diameter of from 0.5 to 50 .mu.m and comprisesc.sub.1) from 50 to 89.95% by weight of styrene and/or .alpha.-methylstyrene,c.sub.2) from 10 to 50% by weight of acrylonitrile,c.sub.3) from 0.05 to 5% by weight of a polyfunctional, crosslinking monomer,c.sub.4) from 0 to 10% by weight of a monomer which contains acidic or basic groups andc.sub.5) from 0 to 20% by weight of further comonomers.
    • 制备的热塑性成型材料A)35至99.5重量%的a1)的基质共聚物(A),50-95重量%的苯乙烯和/或α-甲基苯乙烯,a2)5-50重量%的丙烯腈 和a3)0至20重量%的另外的共聚单体B)0至50重量%的不溶于(A)的颗粒接枝共聚物(B),其中值粒径为0.03至1μm 并且制备b1)30至80重量%的芯,其包含玻璃化转变温度低于-10℃的弹性体聚合物,和b2)20至70重量%的包含聚合物的接枝壳,所述聚合物是 与(A)和C)相容或部分相容的0.5至30重量%的不溶于(A)的颗粒状交联共聚物(C),其中值粒径为0.5至50μm,并包含c1) 苯乙烯和/或α-甲基苯乙烯的50至89.95重量%,c2)10至50重量%的丙烯腈,c 3)0.05至5重量% t的多官能交联单体,c4)0至10重量%的含酸性或碱性基团的单体,和c 5)0至20重量%的其它共聚单体。
    • 10. 发明申请
    • Thermoplastic moulding compounds exhibiting improved chemical resistance
    • 具有改善耐化学性的热塑性模塑料
    • US20070167573A1
    • 2007-07-19
    • US10596344
    • 2004-12-14
    • Martin StorkMartin WeberAxel GottschalkSven RiechersNorbert GuntherbergWolfgang FischerLudger LeberPeter IttemannStephan Jungling
    • Martin StorkMartin WeberAxel GottschalkSven RiechersNorbert GuntherbergWolfgang FischerLudger LeberPeter IttemannStephan Jungling
    • C08F8/00
    • C08L51/04C08F257/02C08F279/02C08F285/00C08L25/12C08L33/12C08L35/06C08L51/00C08L51/003C08L55/02C08L2205/03C08L2666/02C08L2666/04
    • The present invention relates to thermoplastic molding compositions comprising a mixture of (A) from 30 to 69% by weight, based on the sum of components (A), (B) and (C), of a methyl methacrylate polymer, (B) from 30 to 69% by weight, based on the sum of components (A), (B) and (C), of a copolymer obtainable by polymerizing a styrenic monomer and a vinyl cyanide, and (C) from 1 to 40% by weight, based on the sum of components (A), (B) and (C), of a graft copolymer obtainable from (C1) from 60 to 90% by weight, based on (C), of a core obtainable by polymerizing a 1,3-diene and a styrenic monomer, (C2) from 5 to 20% by weight, based on (C), of a first graft shell, and (C3) from 5 to 20% by weight, based on (C), of a second graft shell composed of an alkyl (meth)acrylate polymer, with the proviso that the ratio of (C2) to (C3) is in the range from 2:1 to 1:2, the essence of the invention being that the first graft shell (C2) is obtainable by polymerizing a monomer mixture consisting of (C21) from 30 to 39% by weight, based on (C2), of a styrenic monomer, (C22) from 61 to 70% by weight, based on (C2), of a C1-C8-alkyl ester of methacrylic acid and (C23) from 0 to 3% by weight, based on (C2), of a crosslinking monomer, and also to processes for producing these molding compositions, to their use and to the moldings obtainable therefrom.
    • 本发明涉及热塑性模塑组合物,其包含(A)基于甲基丙烯酸甲酯聚合物的组分(A),(B)和(C)的总和为30至69重量%的混合物,(B) 基于通过聚合苯乙烯类单体和乙烯基氰获得的共聚物的组分(A),(B)和(C)的总和的30至69重量%,和(C)1至40重量% 以(C)为基准,从(C)得到的(C)成分(A),(B)和(C))的总和为基于(C)为60〜90重量% 1,3-二烯和苯乙烯单体,(C)基于(C)的5-20重量%(C),第一接枝壳和(C)5-20重量%的(C3) ,由(甲基)丙烯酸烷基酯聚合物组成的第二接枝壳,条件是(C2)与(C3)的比例在2:1至1:2的范围内,本发明的本质是 第一接枝壳(C2)可以通过聚合由(C) 21),基于(C2),基于(C2)的苯乙烯类单体(C22)为30〜39重量%,基于(C2)为61〜70重量%的C 1〜 甲基丙烯酸的C 8 - 烷基酯和(C 23)0-3重量%,基于(C2)的交联单体,以及制备这些模塑组合物的方法, 使用和可从其获得的模制品。