POLYCARBONATES, COMPOSITIONS MADE THEREFROM, METHODS OF MANUFACTURE THEREOF, AND ARTICLES THEREFROM
    1.
    发明申请
    POLYCARBONATES, COMPOSITIONS MADE THEREFROM, METHODS OF MANUFACTURE THEREOF, AND ARTICLES THEREFROM 有权
    聚碳酸酯,其制成的组合物,其制造方法及其制品

    公开(公告)号:US20100160594A1

    公开(公告)日:2010-06-24

    申请号:US12338229

    申请日:2008-12-18

    IPC分类号: C08G64/04

    CPC分类号: C08G64/307 C08G64/06

    摘要: A melt polymerized polycarbonate comprising repeat units in the polycarbonate derived from the melt polymerization of monomers (II) and/or (III), monomer (IV), and optionally monomer (VIII), wherein monomers (II) and (III) are diaryl dihydroxy compounds, monomer (IV) is a sterically hindered dihydroxy compound, and monomer (VIII) is a non-sterically hindered dihydroxy diaryl compound; wherein the mole ratio of repeat units in the polycarbonate derived from monomers [(II)+(III)]:(IV):(VIII) is 15-70:1-85:0-50, the sum of the mole percent of repeat units in the polycarbonate derived from monomers [(II)+(III)]+(IV) is greater than or equal to 50 mole %, and the sum of the mole percent of units in the polycarbonate derived from monomers [(II)+(III)]+(IV) +(VIII) is 100 mole %; and wherein the polycarbonate has an L* value that is at least 1 L* unit value higher than the same polycarbonate in which monomer (IV) is replaced by bisphenol A.

    摘要翻译: 衍生自单体(II)和/或(III),单体(IV)和任选的单体(VIII)的熔体聚合的聚碳酸酯中的重复单元的熔融聚合的聚碳酸酯,其中单体(II)和(III)是二芳基 二羟基化合物,单体(Ⅳ)为空间位阻二羟基化合物,单体(Ⅷ)为非位阻二羟基二芳基化合物; 其中衍生自单体[(II)+(III)]:(IV):(VIII)的聚碳酸酯中的重复单元的摩尔比为15-70:1-85:0-50, 衍生自单体[(II)+(III)] +(IV)的聚碳酸酯中的重复单元大于或等于50摩尔%,衍生自单体[(II))的聚碳酸酯中单元的摩尔百分比之和 +(III)] +(IV)+(VIII)为100摩尔% 并且其中所述聚碳酸酯具有比单体(IV)被双酚A代替的相同聚碳酸酯高至少1L *单位值的L *值。

    Polycarbonates, compositions made therefrom, methods of manufacture thereof, and articles therefrom
    2.
    发明授权
    Polycarbonates, compositions made therefrom, methods of manufacture thereof, and articles therefrom 有权
    聚碳酸酯,由其制成的组合物,其制造方法及其制品

    公开(公告)号:US07834125B2

    公开(公告)日:2010-11-16

    申请号:US12338229

    申请日:2008-12-18

    IPC分类号: C08G63/00 C08G63/02

    CPC分类号: C08G64/307 C08G64/06

    摘要: A melt polymerized polycarbonate comprising repeat units in the polycarbonate derived from the melt polymerization of monomers (II) and/or (III), monomer (IV), and optionally monomer (VIII), wherein monomers (II) and (III) are diaryl dihydroxy compounds, monomer (IV) is a sterically hindered dihydroxy compound, and monomer (VIII) is a non-sterically hindered dihydroxy diaryl compound; wherein the mole ratio of repeat units in the polycarbonate derived from monomers [(II)+(III)]:(IV):(VIII) is 15-70:1-85:0-50, the sum of the mole percent of repeat units in the polycarbonate derived from monomers [(II)+(III)]+(IV) is greater than or equal to 50 mole %, and the sum of the mole percent of units in the polycarbonate derived from monomers [(II)+(III)]+(IV)+(VIII) is 100 mole %; and wherein the polycarbonate has an L* value that is at least 1 L* unit value higher than the same polycarbonate in which monomer (IV) is replaced by bisphenol A.

    摘要翻译: 衍生自单体(II)和/或(III),单体(IV)和任选的单体(VIII)的熔体聚合的聚碳酸酯中的重复单元的熔融聚合的聚碳酸酯,其中单体(II)和(III)是二芳基 二羟基化合物,单体(Ⅳ)为空间位阻二羟基化合物,单体(Ⅷ)为非位阻二羟基二芳基化合物; 其中衍生自单体[(II)+(III)]:(IV):(VIII)的聚碳酸酯中的重复单元的摩尔比为15-70:1-85:0-50, 衍生自单体[(II)+(III)] +(IV)的聚碳酸酯中的重复单元大于或等于50摩尔%,衍生自单体[(II))的聚碳酸酯中单元的摩尔百分比之和 +(III)] +(IV)+(VIII)为100摩尔% 并且其中所述聚碳酸酯具有比单体(IV)被双酚A代替的相同聚碳酸酯高至少1L *单位值的L *值。

    Method for incorporating alkyl ester endgroups to improve the release properties of melt polycarbonate
    3.
    发明授权
    Method for incorporating alkyl ester endgroups to improve the release properties of melt polycarbonate 有权
    用于加入烷基酯端基以改善熔融聚碳酸酯的脱模性能的方法

    公开(公告)号:US07105626B2

    公开(公告)日:2006-09-12

    申请号:US10938337

    申请日:2004-09-10

    IPC分类号: C08G64/00

    CPC分类号: C08G64/42 C08G2650/04

    摘要: Alkyl ester end-capped polycarbonates have improved release properties and may be produced by a method comprising the step of combining a polycarbonate having free terminal OH groups with an end-capping reagent comprising a symmetrical activated carbonate and an alkyl ester, whereby the end-capping reagent reacts with at least some of the free hydroxyl end groups of the polycarbonate to produce an end-capped polycarbonate comprising optionally substituted aliphatic ester end groups.

    摘要翻译: 烷基酯封端的聚碳酸酯具有改进的脱模性能,并且可以通过包括以下步骤的方法制备:将具有游离的末端OH基团的聚碳酸酯与包含对称活性碳酸酯和烷基酯的封端剂组合的步骤,由此封端 试剂与聚碳酸酯的至少一些游离羟基端基反应以制备包含任选取代的脂族酯端基的封端聚碳酸酯。

    Method and system for preparing a polycarbonate, copolymerization reagent and polycarbonate
    7.
    发明授权
    Method and system for preparing a polycarbonate, copolymerization reagent and polycarbonate 失效
    制备聚碳酸酯,共聚试剂和聚碳酸酯的方法和系统

    公开(公告)号:US06747119B2

    公开(公告)日:2004-06-08

    申请号:US10107149

    申请日:2002-03-28

    IPC分类号: C08G6400

    CPC分类号: C08G63/64 C08G64/307

    摘要: A method for preparing a polycarbonate comprises preparing a free hydroxyl-containing polycarbonate and reacting the hydroxyl-containing polycarbonate with a mixture of (B) a symmetrical optionally activated aromatic carbonic acid diester and (C) an optionally substituted aromatic hihydroxy compound, diol or diacid. A copolymerization reagent comprises a mixture of (B) a symmetrical optionally activated aromatic carbonic acid diester and (C) an optionally substituted aromatic hihydroxy compound, diol or diacid. A copolymer comprises [polycarbonate]x moieties; (B) [symmetrical optionally activated aromatic carbonic acid diester]y moieties and (C) [optionally substituted aromatic hihydroxy compound, diol or diacid]z moieties, wherein x, y and z are mole percents of the copolymer.

    摘要翻译: 制备聚碳酸酯的方法包括制备游离含羟基的聚碳酸酯并使含羟基的聚碳酸酯与(B)对称的任选活化的芳族碳酸二酯和(C)任选取代的芳族羟基化合物,二醇或二酸的混合物 。 共聚试剂包括(B)对称的任选活化的芳族碳酸二酯和(C)任选取代的芳族羟基化合物,二醇或二酸的混合物。 共聚物包含[聚碳酸酯] x部分; (B)[对称任选活化的芳族碳酸二酯] y部分和(C)[任选取代的芳族羟基化合物,二醇或二酸] z部分,其中x,y和z是共聚物的摩尔百分比。

    Method for end-capping polycarbonate resins and composition for use in same
    8.
    发明授权
    Method for end-capping polycarbonate resins and composition for use in same 有权
    封端聚碳酸酯树脂的方法及其组合物

    公开(公告)号:US06710156B2

    公开(公告)日:2004-03-23

    申请号:US10268395

    申请日:2002-10-10

    IPC分类号: C08G6400

    摘要: A method for end-capping polycarbonate resins, comprising the step of processing a mixture comprising a polycarbonate having free hydroxyl-end groups and an end-capping reagent in a melt transesterification reaction to produce a polycarbonate resin, wherein the end-capping reagent comprises a mixture of: (a) at least one species of a symmetrical activated aromatic carbonate, and (b) at least one species of an optionally-substituted phenol, whereby said end-capping reagent reacts with at least some of the free hydroxyl end-groups of the polycarbonate to produce an end-capped polycarbonate resin.

    摘要翻译: 一种封端聚碳酸酯树脂的方法,包括在熔融酯交换反应中处理包含游离羟基端基的聚碳酸酯和封端剂的混合物以制备聚碳酸酯树脂的步骤,其中封端剂包括 混合物:(a)至少一种对称活性芳族碳酸酯,和(b)至少一种任选取代的苯酚,其中所述封端剂与至少一些游离羟基端基反应 的聚碳酸酯以制备端封聚碳酸酯树脂。

    Reduction of reaction by-products in polycarbonate resins
    10.
    发明授权
    Reduction of reaction by-products in polycarbonate resins 有权
    降低聚碳酸酯树脂中的副产物

    公开(公告)号:US06590068B2

    公开(公告)日:2003-07-08

    申请号:US09683064

    申请日:2001-11-14

    IPC分类号: C08F600

    CPC分类号: C08G64/307

    摘要: Polycarbonate resin containing reduced levels of reaction by-products can be prepared by adding to the polycarbonate a scavenging agent having the formula: wherein R1 is alkoxy, phenoxy, benzyloxy or phenyl, and R2 is a substituted or unsubstituted C1-C30 alkyl group, C6-C30 aryl group, C7-C30 aralkyl group or C6-C30 aryloxy group and processing the resulting mixture at an elevated temperature and for a period of time such that the scavenging agent reacts with linear Fries products to produce capped linear Fries products, and with residual phenols (monohydric or dihydric) to produce capped phenols and ortho-substituted phenols.

    摘要翻译: 含有降低反应副产物含量的聚碳酸酯树脂可以通过向聚碳酸酯中加入具有下式的清除剂来制备:其中R1是烷氧基,苯氧基,苄氧基或苯基,R2是取代或未取代的C1-C30烷基,C6 -C30芳基,C7-C30芳烷基或C6-C30芳氧基,并在升高的温度下处理所得混合物一段时间,使得清除剂与线性Fries产物反应以产生封端的线性Fries产品,并且 残留酚(一元或二元)以产生封端的酚和邻位取代的酚。