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    Vinylamine copolymer, flocculating agent and paper strength increasing agent using the same, as well as process for producing the same
    8.
    再颁专利
    Vinylamine copolymer, flocculating agent and paper strength increasing agent using the same, as well as process for producing the same 失效
    乙烯胺共聚物，絮凝剂和使用其的纸强度增加剂，以及其制备方法

    公开(公告)号：USRE34903E

    公开(公告)日：1995-04-11

    申请号：US148384

    申请日：1993-11-08

    申请人： Takaharu Itagaki ,  Mitsuaki Shiraga ,  Shigeru Sawayama ,  Kohichi Satoh

    发明人： Takaharu Itagaki ,  Mitsuaki Shiraga ,  Shigeru Sawayama ,  Kohichi Satoh

    IPC分类号： C08F8/12 ,  C08F8/44 ,  C08F226/02

    CPC分类号： C08F226/02 ,  C08F8/12 ,  C08F8/44 ,  C08F2800/10 ,  C08F2810/50

    摘要： Disclosed herein is a vinylamine copolymer having the structural units represented by the following formulas (I), (II), (III).[.,.]. .Iadd.and .Iaddend.(IV) .[.and (VI).].: ##STR1## wherein x.crclbar. represents an anion or hydroxyl ion R represents a hydrogen atom or a methyl group, M.sym. represents a hydrogen ion or a monovalent cation, in which the molar fraction of the structural unit (I) is 5 to 85% by mole, the molar fraction of the structural unit (II) is 2 to 85% by mole, the molar fraction of the structural unit (III) is 5 to 80% by mole,.[.the molar fraction of the structural unit (IV) is 0 to 40% by mole,.]. all of said molar fractions being based on the vinylamine copolymer, and the molar fraction of the structural unit .[.(V).]. (.Iadd.IV) is 0 to 8% by mole which is based on the total content of the structural units (III).[.,.]. .Iadd.and .Iaddend.(IV), .[.and (V),.]. a flocculating agent and a paper strength increasing agent using the vinylamine copolymer, and a process for producing the vinylamine copolymer.

    摘要翻译： 本文公开了具有由下式（I），（II），（III）[和]和（IV）[和（VI）]表示的结构单元的乙烯基胺共聚物：表示阴离子或羟基离子R表示氢 原子或甲基，M（+）​​表示氢离子或一价阳离子，结构单元（I）的摩尔分数为5〜85摩尔％，结构单元（II）的摩尔分数为 2〜85摩尔％，结构单元（III）的摩尔分数为5〜80摩尔％[结构单元（IV）的摩尔分数为0〜40摩尔％]，所有摩尔分数 基于乙烯胺共聚物，结构单元[（V）]（IV）的摩尔分数为0-8％摩尔，其基于结构单元（III）[和]和（IV）的总含量 ），[和（V），]絮凝剂和使用该乙烯胺共聚物的纸强度增加剂，以及制备该乙烯基胺共聚物的方法。

    Vinylamine copolymer, flocculating agent using the same, and process for preparing the same
    10.
    发明授权
    Vinylamine copolymer, flocculating agent using the same, and process for preparing the same 失效
    乙烯胺共聚物，使用其的絮凝剂及其制备方法

    公开(公告)号：US4808683A

    公开(公告)日：1989-02-28

    申请号：US62755

    申请日：1987-06-16

    申请人： Takaharu Itagaki ,  Mitsuaki Shiraga ,  Shigeru Sawayama ,  Kohichi Satoh

    发明人： Takaharu Itagaki ,  Mitsuaki Shiraga ,  Shigeru Sawayama ,  Kohichi Satoh

    IPC分类号： C08F8/12 ,  C08F226/02

    CPC分类号： C08F8/12 ,  C08F2810/50

    摘要： Disclosed herein is a vinylamine copolymer having the structural units represented by the general formulae (I), (II) and (III): ##STR1## (wherein X represents an anion or hydroxyl ion) ##STR2## (wherein R.sup.1 represents hydrogen atom or a methyl group, R.sup.2 represents hydrogen atom or an alkyl group having 1 to 4 carbon atoms, and R.sup.3 represents an alkyl group having 1 to 4 carbon atoms or an oxoalkyl group having 4 to 8 carbon atoms) in which the molar fraction of the structural unit (I) is 5 to 85% by mole, the molar fraction of the structural unit (II) is 5 to 85% by mole, and the molar fraction of the structural unit (III) is 90 to 5% by mole, a flocculating agent, a drainage aid and a paper strength increasing agent using such vinylamine copolymer, and a process for producing such vinylamine copolymer.

    摘要翻译： 本文公开了具有由通式（I），（II）和（III）表示的结构单元的乙烯基胺共聚物：其中X表示阴离子或羟基离子。（II） （III）（式中，R 1表示氢原子或甲基，R 2表示氢原子或碳原子数1〜4的烷基，R 3表示碳原子数1〜4的烷基或碳原子数4〜 8个碳原子），结构单元（I）的摩尔分数为5〜85摩尔％，结构单元（II）的摩尔分数为5〜85摩尔％，结构单元（I）的摩尔分数 （III）为90〜5摩尔％，絮凝剂，引流助剂和使用这种乙烯胺共聚物的纸强度增加剂，以及这种乙烯基胺共聚物的制造方法。