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    • 11. 发明授权
    • Particulate graft copolymer and thermoplastic molding materials obtained
therefrom
    • 从其获得的颗粒接枝共聚物和热塑性成型材料
    • US5438099A
    • 1995-08-01
    • US165465
    • 1993-12-13
    • Wolfgang FischerNorbert Guentherberg
    • Wolfgang FischerNorbert Guentherberg
    • C08F2/22C08F265/04C08F279/02C08F291/08C08L25/12C08L51/00C08L51/04C08L55/02C08L69/00C08L71/12C08F291/02
    • C08L51/04C08F265/04C08F279/02C08F291/08C08L25/12C08L51/003C08L55/02C08L69/00C08L71/123
    • Abstract of the disclosure: A particulate graft copolymer comprises 30 to 90% by weight of at least one elastomeric grafting base A having a weight average particle size of from 30 to 1,000 nm comprising, based on A, 85 to 99.8% by weight of at least one alkyl acrylate A11 having 1 to 8 carbon atoms in the alkyl radical, 0.1 to 5% by weight of at least one polyfunctional, crosslinking monomer A12, and 0.1 to 10% by weight of at least one hydroxyalkyl acrylate or hydroxyalkyl methacrylate A13 or at least 50% by weight of one or more dienes A111, up to 50% by weight of one or more ethylenically unsaturated monomers A112, and 0.1 to 10% by weight of at least one hydroxyalkyl acrylate or hydroxyalkyl methacrylate A113 and10 to 70% by weight of a graft sheath B comprising, based on B, up to 99.9% by weight of at least one aromatic vinyl monomer B1, up to 99.9% by weight of at least one polar, copolymerizable, ethylenically unsaturated monomer B2, and 0.1 to 20% by weight of at least one monomer B3 containing one or more basic or acid groups.
    • 本发明摘要:一种颗粒状接枝共聚物包含30-90%重量的至少一种重均粒径为30至1,000nm的弹性体接枝基体A,其基于A为85-99.8%(重量),基于A 烷基中具有1至8个碳原子的丙烯酸烷基酯A11和0.1至5重量%的至少一种多官能交联单体A12和0.1至10重量%的至少一种丙烯酸羟烷基酯或甲基丙烯酸羟烷基酯A13或 至少50重量%的一种或多种二烯A111,至多50重量%的一种或多种烯属不饱和单体A112和0.1至10重量%的至少一种丙烯酸羟烷基酯或甲基丙烯酸羟烷基酯A113和10至70重量% 的移植鞘B,其包含基于B的至多一种芳族乙烯基单体B1至多99.9重量%的至多99.9重量%的至少一种极性,可共聚的烯键式不饱和单体B2和0.1至 20重量%的至少一个mo 含有一个或多个碱性或酸性基团的聚合物B3。
    • 14. 发明授权
    • Thermoplastic molding material with a matt effect
    • 热塑性成型材料具有无光泽的效果
    • US5475055A
    • 1995-12-12
    • US327880
    • 1994-10-24
    • Andreas DeckersNorbert GuentherbergRainer BueschlEkkehard Jahns
    • Andreas DeckersNorbert GuentherbergRainer BueschlEkkehard Jahns
    • C08L9/02C08L25/12C08L33/12C08L51/04C08L55/02
    • C08L25/12C08L51/04C08L55/02C08L33/12C08L9/02
    • A thermoplastic molding material containing, based on the sum of its constituents A, B and C,A: 70 to 99% by weight of a thermoplastic resin A comprising, based on A,A1: 50 to 100% by weight of a hard matrix A1 comprising, based on A1,A11: 50 to 95% by weight of units of an aromatic vinyl compound or methyl methacrylate or their mixtures (A11) andA12: 5 to 50% by weight of units of acrylonitrile A12;A2: up to 50% by weight of a rubber-elastic particulate graft copolymer A2 comprising, based on A2,A21: 30 to 80% by weight of at least one elastomeric graft base A21 having a median particle size of from 30 to 1000 nm comprising, based on A21,A211: 50 to 100% by weight of units of a 1,3-diene or a C.sub.4 -C.sub.8 alkyl acrylate forming rubber-elastic polymers (A211),A212: up to 50% by weight of units of at least one vinyl monomer A212;andA22: 15 to 85% by weight of a graft shell A22 comprising, based on A22,A221: 50 to 90% by weight of units of an aromatic vinyl monomer A221 andA222: 10 to 50% by weight of units of acrylonitrile A222;B: 0.5 to 15% by weight of a nitrile rubber B comprising, based on B,B1: 10 to 40% by weight of units of acrylonitrile, andB2: 60 to 90% by weight of units of butadiene;andC: 0.5 to 15% by weight of a particulate polymer C distributed in the hard matrix A and comprising, based on C,C1: 80 to 99% by weight of units of methyl methacrylate,C2: 0.5 to 15% by weight of units of an ester of acrylic acid,C3: 0.5 to 5% by weight of units of a crosslinking monomer copolymerizable with C1 and C2, andC4: up to 10% by weight of units of a polar monomer selected from (meth)acrylic acid, hydroxyethyl (meth)acrylate and dimethylaminoethyl (meth)acrylate,the median particle size of C being from 50 to 50,000 nm.
    • 一种热塑性成型材料,其基于其成分A,B和C的总和,A:70-99重量%的热塑性树脂A,其包含基于A的Al:50至100重量%的硬质基质 A1包含基于A1,A11:50至95重量%的芳族乙烯基化合物或甲基丙烯酸甲酯或其混合物(A11)和A12:5-50重量%的丙烯腈A12的单元; A2:高达50重量%的橡胶弹性颗粒接枝共聚物A2,其包含基于A2的A21:30至80重量%的至少一种中值粒径为30至1000nm的弹性体接枝基质A21 包括基于A21的A211:50至100重量%的1,3-二烯或丙烯酸C 4 -C 8烷基酯的单元形成橡胶弹性聚合物(A211),A212:至多50重量%的 至少一种乙烯基单体A212; 和A22:15至85重量%的接枝壳A22,其包含基于A22的A221:50至90重量%的芳族乙烯基单体A221和A222的单元:10至50重量%的丙烯腈A222的单元 ; B:以B为基准的丁腈橡胶B的0.5〜15重量%B1:10〜40重量%的丙烯腈单元,B2:60〜90重量%的丁二烯单元; 和C:0.5至15重量%的分散在硬质基质A中的颗粒状聚合物C,其基于C包含:C:80至99重量%的甲基丙烯酸甲酯单元,C2:0.5至15重量% 丙烯酸酯的单元,C3:0.5至5重量%的可与C1和C2共聚的交联单体的单元和C4:至多10重量%的选自(甲基)丙烯酸的极性单体的单元 ,(甲基)丙烯酸羟乙酯和(甲基)丙烯酸二甲基氨基乙酯,C的中值粒径为50〜50000nm。
    • 19. 发明授权
    • Transparent, impact-resistant molding materials
    • 透明,耐冲击成型材料
    • US5457157A
    • 1995-10-10
    • US174338
    • 1993-12-28
    • Andreas DeckersNorbert GuentherbergKristin Tiefensee
    • Andreas DeckersNorbert GuentherbergKristin Tiefensee
    • C08K5/00C08L25/02C08L25/12C08L33/00C08L33/04C08L33/06C08L33/24C08L35/00C08L51/00C08L51/02C08L51/04C08L51/06C08L73/00C08L79/08
    • C08L33/24C08L51/04C08L25/12C08L33/06
    • Molding materials contain from 5 to 50% by weight of a first polymer obtained by polymerizing a C.sub.1 -C.sub.20 -alkyl ester of methacrylic or acrylic acid;from 5 to 50% by weight of a second polymer obtained by polymerizing a monomer mixture offrom 75 to 82% by weight of a vinyl aromatic monomer and from 18 to 25% by weight of acrylonitrile or methacrylonitrile;from 10 to 40% by weight of a third polymer containing from 10 to 90% by weight of units of the general formula I ##STR1## where R.sup.1 is hydrogen or C.sub.1 -C.sub.4 -alkyl and R.sup.2 is C.sub.1 -C.sub.18 -alkyl, C.sub.5 -C.sub.12 -cycloalkyl, C.sub.6 -C.sub.10 -aryl or C.sub.6 -C.sub.10 -aryl-C.sub.1 -C.sub.4 -alkyl, andfrom 10 to 90% by weight of a C.sub.1 -C.sub.20 -alkyl ester of methacrylic or acrylic acid;from 5 to 60% by weight of a graft copolymer having a mean particle diameter (weight average) of less than 200 nm and obtained by polymerizing from 20 to 70% by weight of a monomer mixture offrom 30 to 100% by weight of a C.sub.1 -C.sub.20 -alkyl ester of methacrylic or acrylic acid andfrom 0 to 70% by weight of a vinyl aromatic monomer in the pressure of from 30 to 80% by weight of a grafting base, obtained by polymerizing at least one monomer selected from the group consisting of butadiene, isoprene, vinylaromatic monomers and C.sub.4 -C.sub.20 -alkyl esters of acrylic acid; andfrom 0 to 20% by weight, of conventional additives. The difference between the refractive index of the graft copolymer and that of the mixture of the first, second and third polymers being less than 0.01.
    • 成型材料含有5至50重量%的通过聚合甲基丙烯酸或丙烯酸的C 1 -C 20烷基酯获得的第一聚合物; 通过将75至82重量%的乙烯基芳族单体和18至25重量%的丙烯腈或甲基丙烯腈的单体混合物聚合而获得的第二聚合物为5至50重量% 10至40重量%的含有10至90重量%的通式I的单元的第三聚合物,其中R1是氢或C1-C4-烷基,R2是C1-C18烷基,C5 -C 12 - 环烷基,C 6 -C 10 - 芳基或C 6 -C 10 - 芳基-C 1 -C 4 - 烷基,以及10至90重量%的甲基丙烯酸或丙烯酸的C 1 -C 20烷基酯; 5〜60重量%的平均粒径(重量平均)小于200nm的接枝共聚物,通过将20〜70重量%的30〜100重量%的单体混合物 甲基丙烯酸或丙烯酸的C 1 -C 20烷基酯和0至70重量%的乙烯基芳族单体,其压力为接枝碱的30至80重量%,通过聚合至少一种选自 由丁二烯,异戊二烯,乙烯基芳族单体和丙烯酸的C 4 -C 20烷基酯组成的组; 和0至20重量%的常规添加剂。 接枝共聚物的折射率与第一,第二和第三聚合物的混合物的折射率之差小于0.01。