Polycarbonates of substituted cyclohexylindenebisphenols
    8.
    发明授权
    Polycarbonates of substituted cyclohexylindenebisphenols 失效
    取代环己二烯双酚的聚碳酸酯

    公开(公告)号:US5034458A

    公开(公告)日:1991-07-23

    申请号:US565290

    申请日:1990-08-09

    CPC分类号: C08G64/06 C08L69/00

    摘要: Aromatic polycarbonates having weight average molecular weight M.sub.w of at least 10,000 which contain bifunctional carbonate structural units corresponding to general formula (I): ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4 independently represent hydrogen, C.sub.1 -C.sub.12 hdyrocarbon or halogen radicals; andR.sup.5, R.sup.6, R.sup.7, R.sup.8 and R.sup.9 independently represent hydrogen or C.sub.1 -C.sub.12 hydrocarbon radicals, one or R.sup.5 and R.sup.9 representing hydrogen and the other C.sub.1 -C.sub.12 hydrocarbon radical;in amounts of from 100 to 1 mole % based on the total amount of difunctional carbonate structural units in the polycarbonate were found to be useful for thermoplast processing of compositions which are characterized by their improved toughness and high heat deflection temperature.

    摘要翻译: 重均分子量> Mw至少为10,000的芳族聚碳酸酯含有对应于通式(I)的双官能碳酸酯结构单元:其中R 1,R 2,R 3,R 4独立地表示氢,C 1 -C 12羟基或 卤素自由基 R5,R6,R7,R8和R9独立地表示氢或C1-C12烃基,一个或R5和R9代表氢和另一个C1-C12烃基; 发现聚碳酸酯中双官能碳酸酯结构单元的总量为100至1摩尔%可用于组合物的热塑性加工,其特征在于其改进的韧性和高的热变形温度。

    Polycarbonate of polysubstituted cyclohexylidene bisphenols
    9.
    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

    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。