利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

47 条记录 (耗时 0.027 秒)

    Stabilized copolycarbonate from dihydroxy diphenyl cycloalkane
    1.
    发明授权
    Stabilized copolycarbonate from dihydroxy diphenyl cycloalkane 失效
    来自二羟基二苯基环己烷的稳定的共聚碳酸酯

    公开(公告)号：US5086159A

    公开(公告)日：1992-02-04

    申请号：US568460

    申请日：1990-08-15

    申请人： Karl-Herbert Fritsch ,  Uwe Westeppe ,  Werner Nouvertne ,  Dieter Freitag

    发明人： Karl-Herbert Fritsch ,  Uwe Westeppe ,  Werner Nouvertne ,  Dieter Freitag

    IPC分类号： C08G64/00 ,  C08G64/06 ,  C08L69/00

    CPC分类号： C08G64/06

    摘要： Copolycarbonates derived from known bisphenols and small quantities of dihydroxydiphenyl cycloalkanes corresponding to formula (I) ##STR1## wherein R.sup.1 and R.sup.2 denote, independently of one another, hydrogen, halogen, preferably chlorine or bromine, C.sub.1 -C.sub.8 alkyl, C.sub.5 -C.sub.6 cycloalkyl, C.sub.6 -C.sub.10 aryl, preferably phenyl, and C.sub.7 -C.sub.12 aralkyl, preferably phenyl-C.sub.1 -C.sub.4 -alkyl, in particular benzyl,m denotes an integer with a value from 4 to 7, preferably 4 or 5,R.sup.3 and R.sup.4, which are selected independently for each X, denote, independently of one another, hydrogen or C.sub.1 to C.sub.6 alkyl, andX denotes carbon under the condition that R.sup.3 and R.sup.4 are both alkyl on at least one X atoms are disclosed. These copolycarbonates are characterized by their improved processing stability.

    摘要翻译： 衍生自对应于式（I）的已知双酚和少量二羟基二苯基环烷烃的共聚碳酸酯其中R1和R2彼此独立地表示氢，卤素，优选氯或溴，C1-C8烷基，C5- C 6环烷基，C 6 -C 10芳基，优选苯基和C 7 -C 12芳烷基，优选苯基-C 1 -C 4烷基，特别是苄基，m表示4至7，优选4或5的整数，R 3和R 4 对于每个X独立选择，其中R 3和R 4在至少一个X原子上都是烷基的条件下，彼此独立地表示氢或C1-C6烷基，X表示碳。 这些共聚碳酸酯的特征在于其改进的加工稳定性。

    Thermoplastic molding compositions of a polysiloxane block copolycarbonate and a polycarbonate based on certain dihydroxydiphenylcycloalkanes
    6.
    发明授权
    Thermoplastic molding compositions of a polysiloxane block copolycarbonate and a polycarbonate based on certain dihydroxydiphenylcycloalkanes 失效
    基于某些二羟基二苯基甲烷的聚硅氧烷嵌段共聚碳酸酯和聚碳酸酯的热塑性成型组合物

    公开(公告)号：US5100960A

    公开(公告)日：1992-03-31

    申请号：US493036

    申请日：1990-03-12

    申请人： Ulrich Grigo ,  Peter Horlacher ,  Dieter Freitag ,  Karsten-Josef Idel ,  Uwe Westeppe ,  Wolfgang Beer ,  Werner Nouvertne

    发明人： Ulrich Grigo ,  Peter Horlacher ,  Dieter Freitag ,  Karsten-Josef Idel ,  Uwe Westeppe ,  Wolfgang Beer ,  Werner Nouvertne

    IPC分类号： C08L69/00 ,  C08L83/10

    CPC分类号： C08L69/00 ,  C08L83/10

    摘要： The invention relates to a thermoplastic molding composition comprising(A) from 10 to 98 parts by weight of a polydiorganosiloxane-polycarbonate block copolymer having a weight average molecular weight of from 10,000 to 200,000 and containing from 75 to 97.5 wt. % of aromatic carbonate structural units and from 25 to 2.5 wt. % of polydiorganosiloxane structural units;(B) from 2 to 90 parts by weight of a thermoplastic, aromatic polycarbonate having a weight average molecular weight of at least 10,000, andcontaining bifunctional carbonate structural units corresponding to ##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 may be selected individually for each X, independently represent hydrogen or C.sub.1 -C.sub.6 alkyl; andx represents carbon,with the proviso that, on at least one atom X, R.sup.3 and R.sup.4 both represent alkyl; and(C) from 0.5 to 30 parts by weight of a rubber having a glass transition temperature of less than -20.degree. C.The composition of the invention is useful for the preparation of injection molded articles having an excellent surface and a particularly good toughness at low temperatures.

    摘要翻译： 本发明涉及一种热塑性模塑组合物，其包含（A）10至98重量份的重均分子量为10,000至200,000的聚二有机硅氧烷 - 聚碳酸酯嵌段共聚物，并且含有75至97.5重量％ ％的芳族碳酸酯结构单元和25〜2.5wt。 ％的聚二有机硅氧烷结构单元; （B）2至90重量份的重均分子量为至少10,000的热塑性芳族聚碳酸酯，并且含有对应于（Ia）的双官能碳酸酯结构单元，其中R 1和R 2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表示4至7的整数，可以为每个X单独选择的R 3和R 4独立地表示氢或C 1 -C 6烷基; 并且x表示碳，条件是在至少一个原子X，R 3和R 4都表示烷基; 和（C）0.5〜30重量份玻璃化转变温度低于-20℃的橡胶。本发明的组合物可用于制备具有优异表面和特别良好韧性的注塑制品 在低温下。

    Fire-retardant polycarbonates and polyesters
    7.
    发明授权
    Fire-retardant polycarbonates and polyesters 失效
    阻燃聚碳酸酯和聚酯

    公开(公告)号：US5025065A

    公开(公告)日：1991-06-18

    申请号：US504487

    申请日：1990-04-04

    申请人： Peter Tacke ,  Ulrich Grigo ,  Werner Nouvertne ,  Dieter Freitag ,  Karsten-Josef Idel ,  Uwe Westeppe

    发明人： Peter Tacke ,  Ulrich Grigo ,  Werner Nouvertne ,  Dieter Freitag ,  Karsten-Josef Idel ,  Uwe Westeppe

    IPC分类号： C08K13/00 ,  C08G63/19 ,  C08G63/193 ,  C08G63/199 ,  C08G63/64 ,  C08G64/00 ,  C08G64/06 ,  C08G64/10 ,  C08L67/00 ,  C08L69/00

    CPC分类号： C08G64/06 ,  C08G63/193 ,  C08G63/64

    摘要： Fire-retardant polycarbonates, polyester carbonates and polyesters based on dihydroxydiphenyl cycloalkanes ##STR1## in which R.sup.1 and R.sup.2 independently of one another represent hydrogen, halogen, preferably chlorine or bromine, C.sub.1 -C.sub.8 alkyl, C.sub.5 -C.sub.6 cycloalkyl, C.sub.6 -C.sub.10 aryl, preferably phenyl and C.sub.7 -C.sub.12 aralkyl, preferably phenyl-C.sub.1 -C.sub.4 -alkyl, more especially benzyl,m is an integer of 4 to 7, preferably 4 or 5, 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 is carbon,with the proviso that, at at least one atom X, R.sup.3 and R.sup.4 are both alkyl,the fire-retardant finish being provided by additives and/or comonomers.

    摘要翻译： 基于二羟基二苯基环烷烃的阻燃聚碳酸酯，聚酯碳酸酯和聚酯其中R1和R2彼此独立地代表氢，卤素，优选氯或溴，C1-C8烷基，C5-C6环烷基，C6- C10芳基，优选苯基和C7-C12芳烷基，优选苯基-C1-C4-烷基，更特别是苄基，m是4至7，优选4或5的整数，R 3和R 4可以各自独立地选自X， 彼此独立地表示氢或C1-C6烷基，X是碳，条件是在至少一个原子X，R 3和R 4均为烷基时，阻燃剂由添加剂和/或共聚单体提供。

    Mixtures of special new polycarbonates with other thermoplastics or with elastomers
    9.
    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
    10.
    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。