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    Polymerization process for carboxyl containing polymers utilizing oil soluble ionic surface active agents
    2.
    发明授权
    Polymerization process for carboxyl containing polymers utilizing oil soluble ionic surface active agents 失效
    使用油溶性离子表面活性剂的含羧基聚合物的聚合方法

    公开(公告)号：US4692502A

    公开(公告)日：1987-09-08

    申请号：US872065

    申请日：1986-06-09

    申请人： Curtis E. Uebele ,  Lawrence E. Ball ,  Richard J. Jorkasky, II ,  Eddie Wardlow, Jr.

    发明人： Curtis E. Uebele ,  Lawrence E. Ball ,  Richard J. Jorkasky, II ,  Eddie Wardlow, Jr.

    IPC分类号： C08F2/08 ,  C08F20/04 ,  C08F2/26 ,  C08F2/28

    CPC分类号： C08F20/04

    摘要： Olefinically unsaturated carboxylic acid monomers containing at least one activated carbon to carbon olefinic double bond and at least one carboxyl group, such as acrylic acid, are polymerized in an organic media in the presence of free radical forming catalysts and at least one oil soluble ionic surface active agent selected from the group consisting of:(a) anionic surface active agents of the formula:[(R-R.sub.a ').sub.b -X].sup.- M.sup.+(b) cationic surface active agents of the formula:[(R-R.sub.a ').sub.x NR.sub.y ].sup.+ A.sup.-and(c) amphoteric surface active agents of the formula: ##STR1## wherein R is a hydrophobic moiety having eight or more carbons,R' is a hydrophilic moiety,R" is each independently hydrogen, an alkyl group, an aryl group or an alkyl/aryl group,X.sup.- is a carboxylate, sulfonate, sulfate or phosphate group,M.sup.+ is a water soluble cation,A.sup.- is a water soluble anion,a is 0, 1, 2, 3, 4, 5, 6, 7 or 8,b is 0, 1, 2 or 3,c is 1, 2, 3, 4, 5, 6, 7 or 8,x and y are each 0, 1, 2, 3 or 4 with the proviso that x+y=4, andm and n are each 0, 1, 2 or 3, with the proviso that m+n=3.

    摘要翻译： 含有至少一个活性碳 - 碳烯键双键和至少一个羧基的丙烯酸不饱和羧酸单体，如丙烯酸，在自由基形成催化剂和至少一种油溶性离子表面存在下，在有机介质中聚合 活性剂选自：（a）下式的阴离子表面活性剂：[（R-Ra'）bX] -M +（b）下式的阳离子表面活性剂：[（R-Ra'）xNRy ] + A-和（c）下式的两性表面活性剂：其中R是具有8个或更多个碳的疏水部分，R'是亲水部分，R“各自独立地是氢，烷基， 芳基或烷基/芳基，X-是羧酸盐，磺酸盐，硫酸盐或磷酸酯基，M +是水溶性阳离子，A-是水溶性阴离子，a是0,1,2,3,4， 5,6,7或8，b为0,1,2或3，c为1,2,3,4,5,6,7或8，x和y各自为0,1,2,3或4 条件是x + y = 4，m和n各自为0,1,2或3，条件是m + n = 3。

    Impact-resistant acrylonitrile copolymer process
    5.
    发明授权
    Impact-resistant acrylonitrile copolymer process 失效
    耐冲击丙烯腈共聚物工艺

    公开(公告)号：US4155901A

    公开(公告)日：1979-05-22

    申请号：US555442

    申请日：1975-03-05

    申请人： Curtis E. Uebele ,  Ronald J. Valus

    发明人： Curtis E. Uebele ,  Ronald J. Valus

    IPC分类号： C08F279/00 ,  C08F279/04

    CPC分类号： C08F279/04

    摘要： The process for copolymerization of styrene and acrylonitrile in the presence of a diolefin elastomer in high conversion to polymers having superior impact resistance and other excellent physical properties by the careful control of the percent unrealized total solids during the early stages of the copolymerization is described.

    摘要翻译： 描述了在二烯烃弹性体存在下，通过在共聚合的早期阶段通过仔细控制未实现的总固体百分比，在高转化率的聚合物中共聚苯乙烯和丙烯腈的方法和具有优异的耐冲击性的其它优异物理性质的方法。