Thermoplastic polyester molding materials having low temperature impact
strength
    1.
    发明授权
    Thermoplastic polyester molding materials having low temperature impact strength 失效
    具有低温冲击强度的热塑性聚酯成型材料

    公开(公告)号:US4912163A

    公开(公告)日:1990-03-27

    申请号:US390290

    申请日:1989-08-07

    CPC分类号: C08L67/02 C08L69/00

    摘要: Thermoplastic polyester molding materials essentially contain(A) from 20 to 89% by weight of one or more aliphatic polyesters of an aromatic dicarboxylic acid,(B) from 10 to 79% by weight of one or more aromatic polycarbonates and(C) from 1 to 40% by weight of an elastomer or of a mixture of elastomers consisting ofCA from 5 to 100% by weight of an elastomeric graft polymer composed ofCA1 not less than 50% by weight of a grafting base having a glass transition temperature T.sub.g of less than -20.degree. C.,CA2 from 5 to 20% by weight of a first graft shell consisting of a mixture of a C.sub.1 -C.sub.8 -alkyl ester of acrylic acid and a vinylaromatic in a weight ratio of from 5:95 to 70:30 andCA3 from 10 to 30% by weight of a second graft shell consisting of one or more polymers having a glass transition temperature T.sub.g above 20.degree. C. andCB from 0 to 95% by weight of an ethylene copolymer composed of CB1 from 40 to 99% by weight of ethylene and CB2 from 1 to 60% by weight of one or more comonomers containing carboxyl groups and/or carboxyl group derivatives,the sum of A to C, CA and CB, CA1 to CA3 and of CB1 and CB2 being 100% by weight in each case.

    摘要翻译: 热塑性聚酯成型材料基本上含有(A)20至89重量%的一种或多种芳族二羧酸的脂族聚酯,(B)10至79重量%的一种或多种芳族聚碳酸酯和(C)1 至40重量%的弹性体或由CA组成的弹性体的混合物,其由5至100重量%的弹性体接枝聚合物组成,弹性体接枝聚合物由CA1组成,不小于50重量%的玻璃化转变温度Tg为 小于-20℃,CA2为5至20重量%的由丙烯酸的C1-C8烷基酯和乙烯基芳族化合物的混合物组成的第一接枝壳,其重量比为5:95至70 :30和CA3为10至30重量%的由玻璃化转变温度Tg高于20℃的一种或多种聚合物组成的第二接枝壳,CB为0至95重量%的由CB1组成的乙烯共聚物 40至99重量%的乙烯和CB 2为1至60重量%的一种或多种共聚单体 含有羧基和/或羧基衍生物时,A〜C,CA和CB,CA1〜CA3和CB1和CB2的总和在每种情况下为100重量%。

    Thermoplastic polypropylene/polyamide molding composition
    3.
    发明授权
    Thermoplastic polypropylene/polyamide molding composition 失效
    热塑性聚丙烯/聚酰胺成型组合物

    公开(公告)号:US5179164A

    公开(公告)日:1993-01-12

    申请号:US668701

    申请日:1991-03-08

    摘要: Polypropylene/polyamide molding compositions, suitable in particular for producing moldings, advantageously consist of, in each case based on 100 parts by weight of the molding composition,A) from 10 to 89.5 parts by weight of one or more polypropylene homopolymers and/or copolymers,B) from 10 to 89.5 parts by weight of one or more polyamides,C) from 0.5 to 30 parts by weight of an ethylene copolymer as adhesion promoter,D) from 0 to 30 parts by weight of an impact modifier andE) from 0 to 60 parts by weight of a reinforcing agent and/or additive,the ethylene copolymer (C) advantageously being polymerized from, in each case based on (C),a) from 50 to 98% by weight of ethylene,b) from 1 to 45% by weight of one or more alkyl (meth)acrylates having 1 to 8 carbon atoms in the alkyl, but not tert-butyl (meth)acrylate, andc) from 1 to 40% by weight of one or more further monomers containing in bonded form a group which is reactive toward the polyamide, for example a carboxyl, carboxylic anhydride, tert-butyl carboxylate, sulfo, sulfonyl, oxazolinyl or epoxide group,and are produced by melting together components (A) to (C) and any (D) and/or (E) at from 200.degree. to 300.degree. C.

    摘要翻译: 适合于特别用于生产模制品的聚丙烯/聚酰胺模塑组合物有利地包括在每种情况下基于100重量份的模塑组合物A)10至89.5重量份的一种或多种聚丙烯均聚物和/或共聚物 ,B)10至89.5重量份的一种或多种聚酰胺,C)0.5至30重量份的作为粘合促进剂的乙烯共聚物,D)0至30重量份的抗冲改性剂,E) 0至60重量份的增强剂和/或添加剂,乙烯共聚物(C)有利地在每种情况下基于(C)聚合,a)50至98重量%的乙烯,b)从 1〜45重量%的一种或多种烷基中具有1-8个碳原子的(甲基)丙烯酸烷基酯,但不是(甲基)丙烯酸叔丁酯,和c)1至40重量%的一种或多种 含有键合形式的对聚酰胺具有反应性的基团的单体,例如羧基,羧基 通过将组分(A)至(C)和(200)至(300)的任何(D)和/或(E))熔融在一起而制备, 。

    Polymer blends of propylene copolymers and polyethylene
    5.
    发明授权
    Polymer blends of propylene copolymers and polyethylene 失效
    丙烯共聚物和聚乙烯的聚合物共混物

    公开(公告)号:US5218047A

    公开(公告)日:1993-06-08

    申请号:US713897

    申请日:1991-06-12

    摘要: Polymer blends containa) from 20 to 70% by weight of a propylene copolymer which in turn consists of from 20 to 65% by weight of a propylene homopolymer and 30 to 85% by weight of a random propylene copolymer containing polymerized C.sub.2 -C.sub.10 -alk-1-enes andb) from 30 to 80% by weight of a polyethylene having a density of from 0.94 to 0.98 g/cm.sup.3 and a melt flow index of less than 15 g/10 min at 190.degree. C. under a weight of 2.16 kg.The novel polymer blends possess, inter alia, high rigidity, high impact strength and little tendency to undergo white fracture and are particularly suitable for the production of films and moldings.

    摘要翻译: 聚合物共混物包含a)20-70重量%的丙烯共聚物,其又由20-65重量%的丙烯均聚物和30-85重量%的含有聚合的C 2 -C 10 - 烷-1-烯和b)30至80重量%的密度为0.94至0.98g / cm 3的聚乙烯和190℃下的熔体流动指数小于15g / 10min,重量 2.16公斤。 新颖的聚合物共混物尤其具有高刚性,高冲击强度和几乎不发生白色断裂的倾向,特别适用于制备薄膜和模制品。