Polycarbonate of cycloalkylidene bisphenol
    11.
    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

    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& 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。

    Polycarbonate molding composition
    15.
    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

    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
    16.
    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

    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%。

    Stabilization of polycarbonates having high heat distortion temperatures
    20.
    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

    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。