Butyl rubber reaction products
    2.
    发明授权
    Butyl rubber reaction products 失效
    丁苯橡胶反应产品

    公开(公告)号:US3646166A

    公开(公告)日:1972-02-29

    申请号:US3646166D

    申请日:1970-05-27

    CPC classification number: C08F255/10

    Abstract: IONIC CROSSLINKIN IS INTRODUCED INTO AN UNCURED BUTYLRUBBER BY HFALOGENATION OF BUTYL RUBBER, DEHYDROHALOGENATION TO FORM CONJUGATED DOUBLE BONDS AND REACTION OF AN ETHYLENICALLY UNSATURATED COMPOUND SUCH AS MALEIC ANHYDRIDE WITH THIS CONJUGATED DOUBLE BOND SYSTEM TO FORM A GRAFT POLYMER. THE GRAFT POLYMER IN THEN REACTED WITH A METALLIC SALT OR AN AMINE TO FORM AN IONIC HYDROCARBON POLYMER USEFUL FOR MOLDED OR EXTRUDED PRODUCTS.

    Butyl rubber catalyst system
    5.
    发明授权
    Butyl rubber catalyst system 失效
    丁基橡胶催化剂体系

    公开(公告)号:US3694377A

    公开(公告)日:1972-09-26

    申请号:US3694377D

    申请日:1970-12-02

    CPC classification number: C08F10/00 C08F10/10 C08F4/06 C08F4/14 C08F4/00 C08F4/52

    Abstract: A CATALYST SYSTEM FOR PREPARING HOMOPOLYMERS AND COPOLYMERS OF CATIONICALLY POLYMERIZABLE MONOMERS WHEREIN THE CATALYST SYSTEM COMPRISES AN ORGANIC HALIDE PROMOTER AND A CATIONIC CATALYST OF THE TYPE AL(M)2R, WHERE M IS A BRANCHED OR STRAIGHT-CHAIN C1 TO C12 ALKYL AND R IS M, HYDROGEN OR HALOGEN. THE ORGANIC HALIDE MAY BE REPRESENTED BY THE GENERAL FORMULA

    R1-C(-R2)(-R3)-X

    WHEREIN X IS HALOGEN, R1 IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, C1 TO C8 ALKYL, PHENYL AND C2 TO C8 ALKENYL, R3 IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, C1 TO C8 ALKYL, PHENYL, C2 TO C8 ALKENYL AND PHENYLALKYL AND R2 IS SELECTED FROM THE GROUP CONSISTING OF C2 TO C8 ALKYL, C2 TO C8 ALKENYL, PHENYL, PHENYLALKYL, ALKYLPHENYL, C3 TO C10 CYCLOALKYL AND

    R1-C(-X)(-R3)-R4-

    WHEREIN R1, R3 AND X ARE S DEFINED ABOVE AND R4 IS SELECTED FROM THE GROUP CONSISTING OF PHENYLENE, BIPHENYL, A,W-DIPHENYLALKANE AND -(CH2)N-, WHEREIN N IS AN INTEGER OF FROM 1 TO 10.

    High molecular weight, high unsaturation isobutylene-conjugated diene copolymers
    9.
    发明授权
    High molecular weight, high unsaturation isobutylene-conjugated diene copolymers 失效
    高分子量,高不饱和异丁烯 - 共轭二烯共聚物

    公开(公告)号:US3928297A

    公开(公告)日:1975-12-23

    申请号:US45710974

    申请日:1974-04-01

    CPC classification number: C08L23/22 C08F210/12 C08F4/14

    Abstract: Substantially gel-free, high molecular weight, high unsaturation copolymers of isobutylene and conjugated dienes having a number average molecular weight of at least 120,000 and a mole percent of unsaturation of at least 5 percent and the process for preparing said polymers which comprises carrying out the polymerization in a homogeneous phase, introducing the catalyst comprising an aluminum halide to the system in a soluble form and carrying the reaction out at a temperature of less than -100*C.

    Abstract translation: 具有数均分子量至少为120,000,不饱和摩尔百分数至少为5%的异丁烯和共轭二烯的基本无凝胶的高不饱和共聚物以及制备所述聚合物的方法包括进行 在均相中聚合,将包含卤化铝的催化剂以可溶形式引入体系,并在小于-100℃的温度下进行反应。

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