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    Stabilization of polycarbonates having high heat distortion temperatures
    1.
    发明授权
    Stabilization of polycarbonates having high heat distortion temperatures 失效
    具有高热变形温度的聚碳酸酯的稳定化

    公开(公告)号：US5668204A

    公开(公告)日：1997-09-16

    申请号：US853670

    申请日：1992-03-19

    申请人： Helmut-Martin Meier ,  Uwe Westeppe ,  Rolf Dhein ,  Dieter Freitag ,  Dieter Constant

    发明人： Helmut-Martin Meier ,  Uwe Westeppe ,  Rolf Dhein ,  Dieter Freitag ,  Dieter Constant

    IPC分类号： C08K3/00 ,  C08K5/541 ,  C08K5/5419 ,  C08K5/549 ,  C08L69/00 ,  C08J5/10 ,  C08K5/54

    CPC分类号： C08K5/541 ,  C08K5/549 ,  C08L69/00

    摘要： A thermoplastic molding composition containing an aromatic polycarbonate and a particular siloxane compound is disclosed. The composition which is based on a polycarbonate resin having bifunctional structural units corresponding to formula (Ia) ##STR1## wherein R.sup.1 and R.sup.2 denote, independently of one another, 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 is an integer from 4 to 7,R.sup.3 and R.sup.4 selected individually for each X, denote, independently of one another, hydrogen or C.sub.1 -C.sub.6 -alkyl, andX stands for carbon,under the condition that R.sup.3 and R.sup.4 are both alkyl groups on at least one X atom, andcontains from 0.001 to 1% by weight of at least one siloxane corresponding to formula (II) ##STR2## wherein R denotes hydrogen, C.sub.1 -C.sub.20 -alkyl, C.sub.6 -C.sub.10 -aryl or C.sub.1 -C.sub.10 -alkoxy,B denotes R or A,r, s and t independently denote an integer from 0 to 200, or to formula (III) ##STR3## wherein R has the same meaning as in formula (II)u denotes an integer from 1 to 20, and v and w denote an integer from 0 to 20,and wherein the sum u+v+w is greater than 3, andA denotes a C.sub.1 -C.sub.20 -alkyl group or a C.sub.6 -C.sub.10 -aryl group is characterized in its improved heat distortion temperature and good aging properties.

    摘要翻译： 公开了一种含有芳族聚碳酸酯和特定的硅氧烷化合物的热塑性模塑组合物。 基于具有对应于式（Ia）的双功能结构单元的聚碳酸酯树脂的组合物（Ia）其中R 1和R 2彼此独立地表示氢，卤素，C 1 -C 8烷基，C 5 -C 6 - 环烷基 ，C 6 -C 10 - 芳基或C 7 -C 12 - 芳烷基，m是4至7的整数，每个X分别选择的R 3和R 4彼此独立地表示氢或C 1 -C 6烷基，X表示 对于碳，在R3和R4均为至少一个X原子上的烷基的情况下，并且含有0.001至1重量％的至少一种对应于式（II）的硅氧烷（II），其中R表示 氢，C 1 -C 20 - 烷基，C 6 -C 10 - 芳基或C 1 -C 10 - 烷氧基，B表示R或A，r，s和t独立地表示0至200的整数，或式（III） III）其中R具有与式（II）中相同的含义，u表示1至20的整数，v和w表示0至20的整数，其中和u + v + w大于3，并且 A表示C1-C 20烷基或C6-C10-芳基的特征在于其改进的热变形温度和良好的老化性能。

    Stabilization of highly heat distortion resistant polycarbonates
    2.
    发明授权
    Stabilization of highly heat distortion resistant polycarbonates 失效
    高耐热变形聚碳酸酯的稳定化

    公开(公告)号：US5194467A

    公开(公告)日：1993-03-16

    申请号：US816918

    申请日：1992-01-03

    申请人： Helmut-Martin Meier ,  Uwe Westeppe ,  Rolf Dhein ,  Dieter Freitag ,  Martin Wandel ,  Axel Sandquist

    发明人： Helmut-Martin Meier ,  Uwe Westeppe ,  Rolf Dhein ,  Dieter Freitag ,  Martin Wandel ,  Axel Sandquist

    IPC分类号： C08K5/5435

    CPC分类号： C08K5/5435

    摘要： Highly heat distortion resistant moulding compositions are disclosed comprising an aromatic polycarbonate having molecular weights Mw (weight average) of a least 10,000, containing bifunctional carbonate structural units corresponding to formula (Ia) ##STR1## wherein R.sup.1 and R.sup.2 denote, independently of one another, 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 stands for an integer from 4 to 7,R.sup.3 and R.sup.4, which are selected individually for each X, denote, independently of one another, hydrogen or C.sub.1 -C.sub.6 -alkyl, andX denotes carbonunder the condition that R.sup.3 and R.sup.4 are both alkyl on at least one X atom andas the only thermo stabilizer, from 0.001 to 1% by weight of a siloxane corresponding to formula (II) ##STR2## wherein R and R' denote, independently of one another, C.sub.1 -C.sub.4 -alkyl or -aryl andx and y stand for the numbers 1,2 or 3 and x+y always add up to 4.

    摘要翻译： 公开了耐热变形性模塑组合物，其包含具有至少10,000的分子量Mw（重均分子）的芳族聚碳酸酯，其含有对应于式（Ia）的双官能碳酸酯结构单元，其中R1和R2独立地表示 另一个是氢，卤素，C 1 -C 8 - 烷基，C 5 -C 6 - 环烷基，C 6 -C 10 - 芳基或C 7 -C 12 - 芳烷基，m代表4-7的整数，R3和R4分别为 每个X彼此独立地表示氢或C 1 -C 6 - 烷基，X表示碳，在R 3和R 4均为至少一个X原子上为烷基且仅为热稳定剂的情况下，为0.001至1％ 重量的对应于式（II）的硅氧烷（II）其中R和R'彼此独立地表示C 1 -C 4 - 烷基或 - 芳基，x和y表示数字1,2或3 并且x + y总是最多为4。

    Mixtures of special new polycarbonates with other thermoplastics or with elastomers
    4.
    发明授权
    Mixtures of special new polycarbonates with other thermoplastics or with elastomers 失效
    特殊新型聚碳酸酯与其他热塑性塑料或弹性体的混合物

    公开(公告)号：US5104723A

    公开(公告)日：1992-04-14

    申请号：US416168

    申请日：1989-10-03

    申请人： Dieter Freitag ,  Uwe Westeppe ,  Kurt Weirauch ,  Gunther Weymans

    发明人： Dieter Freitag ,  Uwe Westeppe ,  Kurt Weirauch ,  Gunther Weymans

    IPC分类号： C08L21/00 ,  C08L69/00 ,  C08L101/00 ,  C08L33/12 ,  C08L67/02 ,  C08L71/12

    CPC分类号： C08L69/00 ,  Y10T428/31507

    摘要： Mixtures containinga) thermoplastic polycarbonates based on diphenols corresponding to formula (I) ##STR1## in which R.sup.1 and R.sup.2 independently of one another represent hydrogen, halogen, C.sub.1 -C.sub.8 alkyl, C.sub.5 -C.sub.6 cycloalkyl, C.sub.6 -C.sub.10 aryl and c.sub.7 -C.sub.12 aralkyl,m is an integer of from 4 to 7,R.sup.3 and R.sup.4 may be individually selected for each X and independently of one another represent hydrogen or C.sub.1 -C.sub.6 alkyl andX represents carbon, with the proviso that, at at least one atom X, both R.sup.3 and R.sup.4 are alkyl, andb) elastomers or other thermoplastics than those of component a) and, optionally,c) standard additives,processes for their preparation, and the use thereof for the production of films.

    摘要翻译： 包含a）基于对应于式（I）的二酚的热塑性聚碳酸酯其中R 1和R 2彼此独立地表示氢，卤素，C 1 -C 8烷基，C 5 -C 6环烷基，C 6 -C 10芳基和 C 7 -C 12芳烷基，m为4至7的整数，可以为每个X各自独立地选择R 3和R 4，彼此独立地表示氢或C 1 -C 6烷基，X表示碳，条件是至少 一个原子X，R3和R4都是烷基，以及b）比组分a）和任选地c）标准添加剂，其制备方法及其用于制备膜的用途的弹性体或其它热塑性塑料。

    Polycarbonate of polysubstituted cyclohexylidene bisphenols
    5.
    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 of cycloalkylidene bisphenol
    6.
    发明授权
    Polycarbonate of cycloalkylidene bisphenol 失效
    环亚烷基双酚的聚碳酸酯

    公开(公告)号：US5010163A

    公开(公告)日：1991-04-23

    申请号：US450604

    申请日：1989-12-13

    申请人： Volker Serini ,  Dieter Freitag ,  Uwe Westeppe ,  Karsten Idel ,  Ulrich Grigo ,  Carl Casser ,  Klaus-Christian Paetz ,  Manfred Hajek

    发明人： Volker Serini ,  Dieter Freitag ,  Uwe Westeppe ,  Karsten Idel ,  Ulrich Grigo ,  Carl Casser ,  Klaus-Christian Paetz ,  Manfred Hajek

    IPC分类号： C08G64/00 ,  C08G64/06

    CPC分类号： C08G64/06

    摘要： Thermoplastic aromatic polycarbonates having average molecular weight Mw of at least 10,000 which contain bifunctional carbonate structural units corresponding to formula (I) ##STR1## in which R.sup.1, R.sup.2, R.sup.3 and R.sup.4 independently of one another represent hydrogen, a C.sub.1 -C.sub.12 -hydrocarbon, halogen,m is 2 or 3 andX represents hydrogen or a C.sub.6 -C.sub.12 hydrocarbon, at least one substituent X being a C.sub.6 -C.sub.12 hydrocarbon radical,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： 具有至少10,000的平均分子量＆amp; Mw和Mw的热塑性芳族聚碳酸酯，其含有对应于式（I）的双官能碳酸酯结构单元，其中R 1，R 2，R 3和R 4彼此独立地表示氢，C1- C 12烃，卤素，m为2或3，X表示氢或C 6 -C 12烃，至少一个取代基X为C 6 -C 12烃基，其量为100至1摩尔％，基于总量 的聚碳酸酯中的双官能碳酸酯结构单元。