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    Polycarbonate of polysubstituted cyclohexylidene bisphenols
    2.
    发明授权
    Polycarbonate of polysubstituted cyclohexylidene bisphenols 失效
    多取代亚环己基双酚的聚碳酸酯

    公开(公告)号：US5021542A

    公开(公告)日：1991-06-04

    申请号：US450655

    申请日：1989-12-13

    申请人： Volker Serini ,  Dieter Freitag ,  Karsten-Josef Idel ,  Uwe Westeppe ,  Ulrich Grigo ,  Klaus-Christian Paetz

    发明人： Volker Serini ,  Dieter Freitag ,  Karsten-Josef Idel ,  Uwe Westeppe ,  Ulrich Grigo ,  Klaus-Christian Paetz

    IPC分类号： C08G64/00 ,  C08G64/06

    CPC分类号： C08G64/06

    摘要： Thermoplastic aromatic polycarbonates having average molecular weights Mw of at least 10,000 which contain bifunctional carbonate structural units corresponding formula (I) ##STR1## in which R.sup.1, R.sup.2, R.sup.3, R.sup.4 independently of one another represent hydrogen, a C.sub.1-12 hydrocarbon, halogen,Y.sup.1, Y.sup.2, Y.sup.3 independently of one another represent hydrogen,C.sub.1-5 alkyl, a C.sub.6-12 hydrocarbon radical,at least two of the substituents Y.sup.1, Y.sup.2 and Y.sup.3 not being hydrogen and at least one of the substituents Y.sup.1, Y.sup.2 and Y.sup.3 being C.sub.1-5 alkyl,in quantities of from 100 to 1 mol-%, based on the total quantity of difunctional carbonate structural units in the polycarbonate.

    摘要翻译： 平均分子量＆upbar＆Mw至少为10,000的热塑性芳族聚碳酸酯含有对应式（I）的双官能碳酸酯结构单元，其中R 1，R 2，R 3，R 4彼此独立地表示氢，C1-12 烃，卤素，Y 1，Y 2，Y 3彼此独立地表示氢，C 1-5烷基，C 6-12烃基，至少两个取代基Y1，Y2和Y3不为氢，并且至少一个取代基Y1 ，Y2和Y3为C1-5烷基，其量为100至1mol％，基于聚碳酸酯中双官能碳酸酯结构单元的总量。

    Polycarbonate mixtures in optical applications
    5.
    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
    10.
    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。