Process for preparing organic solvent-soluble poly(amide-imide)
    2.
    发明授权
    Process for preparing organic solvent-soluble poly(amide-imide) 失效
    制备有机溶剂型聚(酰胺 - 酰亚胺)的方法

    公开(公告)号:US4058503A

    公开(公告)日:1977-11-15

    申请号:US548841

    申请日:1975-02-10

    CPC分类号: C08G73/14

    摘要: A thermoplastic and organic solvent-soluble poly(amide-imide) elastomer having a number average molecular weight ranging from 10,000 to 100,000, prepared by reacting (1) an acid anhydride functional polymer, represented by the following formula ##STR1## or a mixture of said acid anhydride functional polymer (1) and a tetracarboxylic acid dianhydride, with (2) a dicarboxylic acid dihydrazide in the presence of an aprotic dipolar solvent at a temperature ranging from -10.degree. C to 30.degree. C.

    摘要翻译: 一种热塑性和有机溶剂可溶的聚(酰胺 - 酰亚胺)弹性体,其数均分子量范围为10,000-100,000,通过使(1)酸酐官能聚合物(下式“IMAGE”)或 所述酸酐官能化聚合物(1)和四羧酸二酐与(2)二羧酸二酰肼在非质子偶极溶剂存在下,在-10℃至30℃的温度下反应。

    Method of producing dihalocyclopropane functional multicomponent
copolymers
    10.
    发明授权
    Method of producing dihalocyclopropane functional multicomponent copolymers 失效
    制备二环丙烷功能多组分共聚物的方法

    公开(公告)号:US3933768A

    公开(公告)日:1976-01-20

    申请号:US283956

    申请日:1972-08-28

    CPC分类号: C08F8/18

    摘要: A dihalocyclopropane functional multi-component copolymer is produced by reacting olefin bond units contained in the side chain or in the cyclic group in the main chain of a multi-component copolymer with dihalocarbene generated from halogenated hydrocarbon in the presence of a cation surfactant catalyst by using an alkali aqueous solution. The dihalocyclopropane functional multi-component copolymer has an excellent compatibility as a polymer to be blended with the general purpose rubber and as a halogenated rubber series industrial material.

    摘要翻译: 通过在阳离子表面活性剂催化剂的存在下使多组分共聚物的主链中的侧链或环状基团中的环状基团与卤代烃生成的二卤代碳烯反应,通过使用 碱性水溶液。 二卤代丙烷功能性多组分共聚物作为与通用橡胶和卤化橡胶系工业材料混合的聚合物具有优异的相容性。