Polycarbonate molding materials exhibiting improved mechanical properties
    8.
    发明授权
    Polycarbonate molding materials exhibiting improved mechanical properties 有权
    表现出改进的机械性能的聚碳酸酯模塑材料

    公开(公告)号:US06414107B1

    公开(公告)日:2002-07-02

    申请号:US09857273

    申请日:2001-06-01

    IPC分类号: C08G6400

    摘要: A thermoplastic polycarbonate molding composition is described. The thermoplastic composition contains a silicon compound, e.g., silicon dioxide, having an average particle diameter of 0.001 &mgr;m to 10 &mgr;m. The silicon compound is present in the composition in an amount of 0.01 to 30 parts by weight per 100 parts by weight of the thermoplastic polycarbonate. Also describe are shaped articles, e.g., data technology housing components, made from the thermoplastic polycarbonate composition of the present invention.

    摘要翻译: 描述热塑性聚碳酸酯模塑组合物。 热塑性组合物含有平均粒径为0.001μm至10μm的硅化合物,例如二氧化硅。 该组合物中存在的硅化合物的量为每100重量份热塑性聚碳酸酯0.01至30重量份。 还描述了由本发明的热塑性聚碳酸酯组合物制成的成型制品,例如数据技术外壳部件。

    Polycarbonate/graft polymer moulding compositions with reduced deposit
formation
    9.
    发明授权
    Polycarbonate/graft polymer moulding compositions with reduced deposit formation 失效
    具有降低沉积物形成的聚碳酸酯/接枝聚合物模塑组合物

    公开(公告)号:US5994463A

    公开(公告)日:1999-11-30

    申请号:US047598

    申请日:1998-03-25

    摘要: Thermoplastic polycarbonate/graft polymer moulding compositions containingA) 5 to 95 parts by weight of an aromatic polycarbonate,B) 1 to 50 parts by weight of at least one thermoplastic homopolymer, copolymer or terpolymer of styrene, .alpha.-methylstyrene, acrylonitrile, N-substituted maleimide or mixtures thereof,C) 1 to 50 parts by weight of at least one graft polymer ofC.1) 5 to 90 parts by weight of styrene, .alpha.-methylstyrene, acrylonitrile, N-substituted maleimide or mixtures thereof, onC.2) 95 to 10 parts by weight of a rubber with a glass transition temperature .ltoreq.0.degree. C. andD) 1 to 25 parts by weight (per 100 parts by weight A+B+C) of at least one additive selected from flame retardants, lubricants, antistatic agent, mould release agents or mixtures thereof,characterised in that the component B) is produced by bulk, solution or suspension polymerisation and has an oligomer content .ltoreq.1 wt. %, component C) is produced by emulsion polymerisation and the total oligomer content of the moulding compositions is .ltoreq.0.6 wt. %.

    摘要翻译: 含有A)5-95重量份的芳族聚碳酸酯的热塑性聚碳酸酯/接枝聚合物模塑组合物,B)1至50重量份的至少一种苯乙烯,α-甲基苯乙烯,丙烯腈,N-甲基苯乙烯的共聚物或三元共聚物, 取代的马来酰亚胺或其混合物,C)1至50重量份的至少一种C.1的接枝聚合物)C至5重量份的苯乙烯,α-甲基苯乙烯,丙烯腈,N-取代的马来酰亚胺或其混合物,在C .2)95至10重量份的玻璃化转变温度为0℃的橡胶和D)1至25重量份(每100重量份A + B + C)至少一种添加剂 选自阻燃剂,润滑剂,抗静电剂,脱模剂或其混合物,其特征在于组分B)通过本体,溶液或悬浮液聚合制备,并且具有低聚物含量为1重量%。 %,组分C)通过乳液聚合制备,并且模塑组合物的总低聚物含量为0.6重量%。 %。

    Polycarbonate molding materials containing graft rubber
    10.
    发明授权
    Polycarbonate molding materials containing graft rubber 有权
    聚碳酸酯成型材料含有接枝橡胶

    公开(公告)号:US06890979B2

    公开(公告)日:2005-05-10

    申请号:US10220769

    申请日:2001-02-27

    摘要: A thermoplastic molding composition having improved mechanical properties is disclosed. The composition contains (A) aromatic polycarbonate and/or polyester carbonate (B) at least one graft rubber, obtained by emulsion polymerization of styrene and acrylonitrile in the presence of at least two rubber latices of type (B1) and (B2) where (B1) has a particle diameter d50 of ≦350 nm, a particle size distribution range of 30 nm to 100 nm, and a gel content of 70 wt. %, and (B2) has a particle diameter of ≧350 nm, a particle size distribution range of 50 nm to 500 nm, and a gel content of ≧70 wt. %, and the difference in the average particle diameter of B1 and B2 is ≧50 nm, (C) an optional copolymer of styrene and or acrylonitrile and for methyl methacrylate and/or N-substituted maleinimide, and optionally (D) flame retardant as well as optionally conventional additives.

    摘要翻译: 公开了具有改进的机械性能的热塑性模塑组合物。 该组合物含有(A)芳族聚碳酸酯和/或聚酯碳酸酯(B)至少一种接枝橡胶,其通过在至少两种类型(B1)和(B2)的橡胶胶乳的存在下通过苯乙烯和丙烯腈的乳液聚合获得,其中( B1)的粒径分布范围为30nm〜100nm,凝胶含量为70wt。%以下的粒径d <50nm。 %,(B2)的粒径> 350nm,粒度分布范围为50nm〜500nm,凝胶含量≥70wt。 %,B1和B2的平均粒径差为> 50nm,(C)任选的苯乙烯和/或丙烯腈共聚物和甲基丙烯酸甲酯和/或N-取代的马来酰亚胺,和任选的(D)阻燃剂 以及任选的常规添加剂。