Fully aromatic mesomorphic polyesters and their preparation
    32.
    发明授权
    Fully aromatic mesomorphic polyesters and their preparation 失效
    全芳族介晶聚酯及其制备

    公开(公告)号:US4749769A

    公开(公告)日:1988-06-07

    申请号:US64700

    申请日:1987-06-22

    CPC分类号: C08G63/605

    摘要: Fully aromatic mesomorphic polyesters which give a liquid crystalline filament-forming melt below 300.degree. C. consist of(a) from 5 to 25 mol % of repeating units of the formula I ##STR1## (b) from 5 to 25 mol % of repeating units of the formula II ##STR2## (c) from 10 to 50 mol % of repeating units of the formula III ##STR3## and (d) not less than 10 mol % of repeating units of the formula IV ##STR4## the sum of the molar amounts of components (a), (b), (c) and (d) being 100 mol %, and the molar ratio of components (a) and (b) to component (c) being from 0.9:1 to 1.1:1.

    摘要翻译: 产生在300℃以下的液晶长丝形成熔体的全芳族介晶聚酯由(a)5至25摩尔%的式I重复单元(I)(b)5至25摩尔 (II)(c)的重复单元的百分比为10〜50摩尔%的式III的重复单元(III)和(d)不少于10摩尔%的重复单元 组分(a),(b),(c)和(d)的摩尔量为100摩尔%,组分(a)和(b)的摩尔比) 至(c)成分的比例为0.9:1至1.1:1。

    Aqueous polymer dispersion
    37.
    发明授权
    Aqueous polymer dispersion 失效
    聚合物水分散体

    公开(公告)号:US5426146A

    公开(公告)日:1995-06-20

    申请号:US149796

    申请日:1993-12-22

    CPC分类号: C08F265/06

    摘要: An aqueous polymer dispersion having a solids volume concentration of 50% by volume or more is obtainable by polymerizing radical polymerizable monomers other than vinyl or vinylidene halides by the method of free radical aqueous emulsion polymerization with the addition of an aqueous starting polymer dispersion having a certain diameter distribution of the starting polymer particles present therein by the stream addition process.

    摘要翻译: 具有50体积%以上的固体成分浓度的聚合物分散体,可以通过自由基水乳液聚合的方法聚合除了乙烯基或亚乙烯基卤化物以外的自由基聚合性单体, 通过流添加方法存在于其中的起始聚合物颗粒的直径分布。

    Wholly aromatic mesomorphic polyester amide imides and the preparation
thereof
    39.
    再颁专利
    Wholly aromatic mesomorphic polyester amide imides and the preparation thereof 失效
    全芳族介晶聚酰胺酰亚胺及其制备方法

    公开(公告)号:USRE33315E

    公开(公告)日:1990-08-28

    申请号:US364198

    申请日:1989-06-09

    摘要: Wholly aromatic mesomorphic polyester amide imides which form a liquid-crystalline fiber-forming melt below 320.degree. C. and are composed of(a) from 5 to 35 mole % of repeat units of the formula I and/or II ##STR1## where the Xs is the formulae I and II can be identical or different and each is --O--, --S--, --SO.sub.2 --, --CO--, --CH.sub.2 -- or .dbd.C(CH).sub.3).sub.2 and n is 0 or 1.(b) from 0 to 30 mole % of repeat units of the formulae III and/or IV ##STR2## (c) a molar amount corresponding to the total amount of components a and b of one or more of the repeat units of the formulae V, VI, VII, VIII and IX ##STR3## (d) if desired from 5 to 25 mole % of one or more of the repeat units of the formulae X, XI and XII ##STR4## (e) repeat units of the formula XIII ##STR5## the mole percentages of components (a), (b), (c), (d) and (e) adding up to 100 mole % in each case,the preparation thereof and fibers, films and moldings prepared therefrom.

    Wholly aromatic mesomorphic polyester amide imides and the preparation
thereof
    40.
    发明授权
    Wholly aromatic mesomorphic polyester amide imides and the preparation thereof 失效
    全芳族介晶聚酰胺酰亚胺及其制备方法

    公开(公告)号:US4788272A

    公开(公告)日:1988-11-29

    申请号:US938057

    申请日:1986-12-04

    摘要: Wholly aromatic mesomorphic polyester amide imides which form a liquid-crystalline fiber-forming melt below 320.degree. C. and are composed of(a) from 5 to 35 mole % of repeat units of the formula I and/or II ##STR1## where the Xs in the formulae I and II can be identical or different and each is --O--, --S--, --SO.sub.2 --, --CO--, --CH.sub.2 --or .dbd.C(CH.sub.3).sub.2 and n is 0 or 1,(b) from 0 to 30 mole % of repeat units of the formulae III and/or IV ##STR2## (c) a molar amount corresponding to the total amount of components a and b of one or more of the repeat units of the formulae V, VI, VII, VIII and IX ##STR3## (d) if desired from 5 to 25 mole % of one or more of the repeat units of the formulae X, XI and XII ##STR4## (e) repeat units of the formula XIII ##STR5## the mole percentages of components (a), (b), (c), (d) and (e) adding up to 100 mole % in each case,the preparation thereof and fibers, films and moldings prepared therefrom.

    摘要翻译: 全芳香族介晶聚酰胺酰亚胺,其在320℃以下形成液晶纤维形成熔体,并由(a)5-35摩尔%的式I和/或II重复单元组成。 其中式I和II中的X可以相同或不同,并且各自为-O - , - S - , - SO 2 - , - CO-, - CH 2 - 或= C(CH 3) )2,n为0或1,(b)0至30摩尔%的式III和/或IV的重复单元IV(c)摩尔量对应于组分的总量 a和b的一个或多个式V,VI,VII,VIII和IX的重复单元如果需要,5(d)如果需要,从5 至25摩尔%的式X,XI和XII的重复单元的一个或多个重复单元XII(e)式XIII的重复单元XIII组分的摩尔百分比 (a),(b),(c),(d)和(e)每种情况下加到100摩尔%时,其制备和纤维f 由其制备的薄膜和模制品。