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    Polycarbonate molding composition
    11.
    发明授权
    Polycarbonate molding composition 失效
    聚碳酸酯成型组合物

    公开(公告)号：US5145911A

    公开(公告)日：1992-09-08

    申请号：US534094

    申请日：1990-06-06

    申请人： Thomas Eckel ,  Dieter Freitag ,  Uwe Westeppe ,  Dieter Wittmann

    发明人： Thomas Eckel ,  Dieter Freitag ,  Uwe Westeppe ,  Dieter Wittmann

    IPC分类号： C08L51/04 ,  C08L55/02 ,  C08L69/00

    CPC分类号： C08L51/04 ,  C08L55/02 ,  C08L69/00

    摘要： A thermoplastic molding composition comprising (i) an aromatic polycarbonate having high thermal dimensional stability and based on a substituted dihydroxydiphenylcycloalkane, (ii) other aromatic polycarbonate resin and (iii) graft, particle-type diene rubbers is disclosed. The composition is characterized by its good Izod impact strength. A process for preparing the molding composition and their use for manufacturing molded bodies are also disclosed.

    摘要翻译： 公开了一种热塑性模塑组合物，其包含（i）具有高热尺寸稳定性并基于取代的二羟基二苯基环烷烃的芳族聚碳酸酯，（ii）其它芳族聚碳酸酯树脂和（iii）接枝的颗粒型二烯橡胶。 该组合物的特征在于其良好的Izod冲击强度。 还公开了制备模塑组合物的方法及其用于制造模塑体的用途。

    Polycarbonate mixtures in optical applications
    12.
    发明授权
    Polycarbonate mixtures in optical applications 失效
    光学应用中的聚碳酸酯混合物

    公开(公告)号：US5132154A

    公开(公告)日：1992-07-21

    申请号：US531230

    申请日：1990-05-31

    申请人： Uwe Westeppe ,  Gunther Weymans ,  Dieter Freitag ,  Karsten-Josef Idel

    发明人： Uwe Westeppe ,  Gunther Weymans ,  Dieter Freitag ,  Karsten-Josef Idel

    IPC分类号： G02B1/04 ,  C08L69/00 ,  G11B7/24 ,  G11B7/253

    CPC分类号： C08L69/00 ,  Y10T428/31507

    摘要： An article for an optical application is disclosed comprisinga) about 0.1 to 99.9 wt. % of a thermoplastic, aromatic polycarbonate resin containing carbonate structural units corresponding to (Ia): ##STR1## wherein R.sup.1 and R.sup.2 independently represent hydrogen, halogen, C.sub.1 -C.sub.8 alkyl, C.sub.5 -C.sub.6 cycloalkyl, C.sub.6 -C.sub.10 aryl or C.sub.7 -C.sub.12 aralkyl; m represents an integer of from 4 to 7;R.sup.3 and R.sup.4, which are selected individually for each X, independently represent hydrogen or C.sub.1 -C.sub.6 alkyl; andX represents a carbon atom; provided that R.sup.3 and R.sup.4 both represent alkyl on at least one X atom; andb) from 99.9 to 0.1 wt. % of at least one thermoplastic polycarbonate other than component (a).

    摘要翻译： 公开了一种用于光学应用的物品，其包含：a）约0.1至99.9wt。 含有对应于（Ia）的碳酸酯结构单元的热塑性芳族聚碳酸酯树脂的％：其中R1和R2独立地表示氢，卤素，C1-C8烷基，C5-C6环烷基，C6-C10芳基或C7 -C12芳烷基; m表示4〜7的整数， 对于每个X单独选择的R 3和R 4独立地表示氢或C 1 -C 6烷基; X表示碳原子; 条件是R3和R4都表示至少一个X原子上的烷基; 和b）99.9至0.1wt。 除了组分（a）以外的至少一种热塑性聚碳酸酯的％。

    Polysiloxane-polycarbonate block copolymers based on certain dihydroxydiphenylcycloalkanes
    19.
    发明授权
    Polysiloxane-polycarbonate block copolymers based on certain dihydroxydiphenylcycloalkanes 失效
    基于某些二羟基二苯基环烷烃的聚硅氧烷 - 聚碳酸酯嵌段共聚物

    公开(公告)号：US5068302A

    公开(公告)日：1991-11-26

    申请号：US564473

    申请日：1990-08-08

    申请人： Peter Horlacher ,  Volker Serini ,  Dieter Freitag ,  Ulrich Grigo ,  Karsten-Josef Idel ,  Uwe Westeppe

    发明人： Peter Horlacher ,  Volker Serini ,  Dieter Freitag ,  Ulrich Grigo ,  Karsten-Josef Idel ,  Uwe Westeppe

    IPC分类号： C08G64/00 ,  C08G64/18 ,  C08G77/42 ,  C08G77/448

    CPC分类号： C08G64/186 ,  C08G77/448

    摘要： Polydiorganosiloxane-polycarbonate block copolymers based on dihydrodiphenylcycloalkanes corresponding to formula (I) ##STR1## in which R.sup.1, R.sup.2 independently of one another represent hydrogen, halogen, preferably chlorine or bromine, C.sub.1-8 alkyl, C.sub.5-6 cycloalkyl, C.sub.6-10 aryl and C.sub.7-12 aralkyl, preferably phenyl-C.sub.1-4 -alkyl, more especially benzyl,n=2 or 3 andthe substituents R.sup.5 independently of one another are hydrogen or C.sub.1-12 alkyl, with the proviso that at least one of the substituents R.sup.5 is not hydrogen,having an average molecular weight M.sub.w (weight average) in the range from 10,000 to 300,000 (as measured by ultracentrifugation or scattered light measurement) and a content of carbonate containing dihydroxydiphenylcycloalkanes of formula I and, optionally, other diphenols in co-condensed form of from 75% by weight of 99.0% by weight and a content of polydiorganosiloxane having a degree of polymerization Pn of 5 to 300 of from 25% by weight of 1% by weight.

    摘要翻译： 对应于式（I）的二氢二苯基环烷烃的聚二有机硅氧烷 - 聚碳酸酯嵌段共聚物其中R 1，R 2彼此独立地表示氢，卤素，优选氯或溴，C 1-8烷基，C 5-6环烷基，C 6 -10芳基和C7-12芳烷基，优选苯基-C1-4 - 烷基，更特别是苄基，n = 2或3，取代基R5彼此独立地为氢或C 1-12烷基，条件是至少一个 的取代基R5不是氢，平均分子量Mw（重均分子量）为10,000〜300,000（通过超速离心或散射光测定测定）和含有式I的二羟基二苯基环烷烃的碳酸酯的含量，以及任选的其它 共缩合形式的双酚75重量％为99.0重量％，聚二有机硅氧烷的聚合度Pn为5〜300的25重量％的1重量％的含量。