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公开(公告)号：US5132059A
公开(公告)日：1992-07-21
申请号：US291122
申请日：1988-12-28
申请人： Yosuke Takahashi , Toru Seita
发明人： Yosuke Takahashi , Toru Seita
IPC分类号： B01D71/38
CPC分类号： B01D71/38
摘要： An ultrafiltration membrane formed of a polyvinyl formal resin having a recurring unit represented by the general formula (I), and a process for producing this ultrafiltration membrane: ##STR1## wherein n is 550 to 950.
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公开(公告)号：US4983495A
公开(公告)日：1991-01-08
申请号：US456624
申请日：1989-12-29
IPC分类号： G03F7/039
CPC分类号： G03F7/039
摘要： Positive resist patterns prepared by using a derivative of polyacrylic acid esters containing halogen expressed by the following general formula for the resist material; ##STR1## (where A is a structural unit which is derived from monomers having a copolymerable double bond, and X is either a halogen atom or a methyl group. m is a positive integer, n is 0 or a positive integer, n/m is 0 to 2 and m+n are 20 to 20,000. Y.sub.1 to Y.sub.5 are a fluorine or hydrogen atom and at least one of them is a fluorine atom).
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公开(公告)号：US4431504A
公开(公告)日：1984-02-14
申请号：US373717
申请日：1982-04-30
申请人： Toru Seita , Takao Satoh , Mitsuo Kikuchi
发明人： Toru Seita , Takao Satoh , Mitsuo Kikuchi
CPC分类号： C25B1/46 , C08J5/2281 , C08J2327/12
摘要： A cation-exchange membrane for electrolyzing an aqueous solution of an alkali metal halide in the manufacture of an alkali hydroxide and a halogen. The membrane comprises one layer which occupies 5 to 30% of the total thickness of the membrane and has carboxylic acid groups; another layer which occupies 5 to 30% of the membrane thickness and has weakly acidic groups, the weakly acidic groups occupying 10 to 60% of the total exchange group capacity of the layer; and a further layer which has sulfonic acid groups occupying the middle portion of the membrane.
摘要翻译： 一种用于在碱金属氢氧化物和卤素的制造中电解碱金属卤化物的水溶液的阳离子交换膜。 该膜包含占层膜厚度的5〜30％的一层，具有羧酸基团; 占层膜厚度的5〜30％，弱酸性基团，弱酸性基团占该层总交换容量的10〜60％; 以及具有占据膜的中间部分的磺酸基团的另外的层。
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公开(公告)号：US4200538A
公开(公告)日：1980-04-29
申请号：US807638
申请日：1977-06-17
申请人： Toru Seita , Kenji Takahashi , Shunichi Asami , Akihiko Shimizu
发明人： Toru Seita , Kenji Takahashi , Shunichi Asami , Akihiko Shimizu
IPC分类号： C25B13/08 , B01J47/12 , C08J5/22 , C08J7/16 , C08F259/08 , C08F265/02
CPC分类号： C08J5/2293 , C08J2327/18
摘要： A cation-exchange membrane is prepared by swelling a fluorinated polymer membrane having cation-exchangeable groups with an organic solvent and then removing the solvent from the swollen membrane and immersing a monomer with or without a crosslinking agent and a polymerization initiator into it and polymerizing the monomer. The membrane is preferably swollen with a water miscible organic solvent and then, the solvent is removed from the membrane.
摘要翻译： 通过使具有阳离子交换性基团的氟化聚合物膜与有机溶剂溶胀，然后从溶胀膜中除去溶剂并将具有或不具有交联剂和聚合引发剂的单体浸入其中并使其聚合，从而制备阳离子交换膜 单体。 膜优选用水混溶性有机溶剂溶胀，然后从膜上除去溶剂。
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25.发明授权Process for producing cation exchange membrane by treatment of fluorinated polymer containing sulfonyl halide groups with amine and vinyl monomer 失效通过处理含有磺酰卤基团的含氟聚合物与胺和乙烯基单体来生产阳离子交换膜的方法
公开(公告)号：US4154909A
公开(公告)日：1979-05-15
申请号：US929499
申请日：1978-07-31
申请人： Toru Seita , Kenji Takahashi , Shunichi Asami , Akihiko Shimizu
发明人： Toru Seita , Kenji Takahashi , Shunichi Asami , Akihiko Shimizu
CPC分类号： C08J5/2237 , C25B1/46 , C08J2327/18
摘要： A cation exchange membrane is produced by treating a membrane of a fluorinated polymer having sulfonyl halide group on side chains with a mixture of 1 a reaction product of an amine with a halogenated monomer and 2 a vinyl monomer and/or diene monomer each of which has carboxylic acid group, phenolic hydroxyl group, sulfonic acid group and/or a functional group being convertible into carboxylic acid group, phenolic hydroxyl group or sulfonic acid group.
摘要翻译： 阳离子交换膜是通过用胺与卤化单体的反应产物1和乙烯基单体和/或二烯单体的混合物处理侧链上具有磺酰卤基团的氟化聚合物的膜来制备的， 羧酸基，酚羟基，磺酸基和/或可转化为羧酸基的官能团，酚羟基或磺酸基。
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公开(公告)号：US4132682A
公开(公告)日：1979-01-02
申请号：US810628
申请日：1977-06-27
申请人： Toru Seita , Kenji Takahashi , Shunichi Asami , Akihiko Shimizu
发明人： Toru Seita , Kenji Takahashi , Shunichi Asami , Akihiko Shimizu
IPC分类号： C25B13/08 , C08F259/08 , C08J5/22 , C08F265/02 , C08F273/00
CPC分类号： C08F259/08
摘要： A cation-exchange membrane is prepared by impregnating a diene monomer having carboxylic acid group or a functional group which can be converted to a carboxylic acid group, into a fluorinated polymer membrane having cation-exchangeable groups; partially polymerizing said diene monomer; swelling the membrane with a water miscible organic solvent and heat-treating the swollen membrane and if necessary, converting the functional groups to carboxylic acid groups.
摘要翻译： 通过将具有羧酸基的二烯单体或可转化成羧酸基的官能团浸渍到具有阳离子交换基团的氟化聚合物膜中来制备阳离子交换膜; 部分聚合所述二烯单体; 用水混溶的有机溶剂溶胀膜并热处理溶胀膜，如果需要，将官能团转化为羧酸基团。
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公开(公告)号：US4065414A
公开(公告)日：1977-12-27
申请号：US712397
申请日：1976-08-06
申请人： Toru Seita , Akihiko Shimizu
发明人： Toru Seita , Akihiko Shimizu
CPC分类号： B01D67/009 , B01D67/0006 , B01D67/0011 , C08J3/246 , C08L1/286 , C08L39/08 , C08L5/04 , B01D71/30
摘要： A crosslinkable polyion complex is prepared by reacting a polycation polymer having an ethylenic double bond at a terminal position in the repeating unit of the polymer with a polyanion polymer. A polyion complex film is prepared by dissolving the crosslinkable polyion complex in a solvent mixture of water-organic solvent-acid, base or salt and then forming a film by casting or coating the solution on a substrate.
摘要翻译： 通过使聚合物的重复单元的末端具有烯属双键的聚阳离子聚合物与聚阴离子聚合物反应制备交联性聚离子络合物。 通过将交联性聚离子络合物溶解在水 - 有机溶剂 - 酸，碱或盐的溶剂混合物中，然后通过将溶液浇铸或涂布在基材上形成膜来制备聚离子复合膜。
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28.发明授权
公开(公告)号：US4765905A
公开(公告)日：1988-08-23
申请号：US928036
申请日：1986-11-07
申请人： Sakae Kitamura , Yasuhiro Kurauchi , Toru Seita
发明人： Sakae Kitamura , Yasuhiro Kurauchi , Toru Seita
CPC分类号： C08J5/2237 , B01D61/243 , B01D2325/16 , C08J2327/18
摘要： A method for recovering acids from an aqueous solution of a mixture of the acids and metal salts by dialysis, characterized in that a fluorinated anion exchange membrane made of a copolymer having repeating units of the formula: ##STR1## wherein X is F or CF.sub.3, l is an integer of from 0 to 5, m is 0 or 1, n is an integer of from 1 to 5, p/q is from 2 to 16, and Y is a quaternary ammonium group, is used as a dialysis membrane.
摘要翻译： 一种通过透析从酸和金属盐的混合物的水溶液中回收酸的方法，其特征在于由具有下式的重复单元的共聚物制成的氟化阴离子交换膜：其中X为F 或CF 3，l为0〜5的整数，m为0或1，n为1〜5的整数，p / q为2〜16，Y为季铵基，作为 透析膜。
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公开(公告)号：US4693796A
公开(公告)日：1987-09-15
申请号：US792629
申请日：1985-10-25
申请人： Toru Seita , Takao Satoh , Mitsuo Kikuchi
发明人： Toru Seita , Takao Satoh , Mitsuo Kikuchi
CPC分类号： C08J5/2281 , C08J2327/18
摘要： A cation exchange membrane manufacturing method in which a film of a blend which consists of a perfluoro carbon polymer having a group transformable into a sulfonic acid group and a perfluoro carbon polymer having a group transformable into a carboxylic acid group or a film of a copolymer which consists of a perfluoro carbon monomer having a group transformable into a sulfonic acid group and a perfluoro carbon monomer having a group transformable into a carboxylic acid group and another film of a perfluoro carbon polymer having a group transformable into a carboxylic acid group are joined together. Following that, the group transformable into a carboxylic acid group and the group transformable into a sulfonic acid group are transformed respectively into the carboxylic acid group and the sulfonic acid group.
摘要翻译： 一种阳离子交换膜的制造方法，其中由具有可转化成磺酸基团的全氟碳聚合物和具有可转化成羧酸基团的全氟碳聚合物组成的共混物膜或共聚物膜 由具有可转化成磺酸基团的全氟碳单体和具有可转化成羧酸基的基团的全氟碳单体和具有可转化成羧酸基团的全氟碳聚合物的另一膜组合在一起。 之后，可转化成羧酸基团和可转化成磺酸基团的基团分别转化成羧酸基团和磺酸基团。
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30.发明授权
公开(公告)号：US4367147A
公开(公告)日：1983-01-04
申请号：US022619
申请日：1979-03-21
申请人： Shunichi Asami , Toru Seita , Akihiko Shimizu
发明人： Shunichi Asami , Toru Seita , Akihiko Shimizu
CPC分类号： C08J5/2293 , C08J2323/06
摘要： Characteristics of a cation exchange membrane used for an electrolysis of an alkali metal chloride are recovered by immersing the perfluorocarbon type cation exchange membrane in an organic solvent having a water miscibility and a boiling point of higher than 120.degree. C. in 760 mmHg; holding the immersed membrane between a pair of smooth plates and heating at 40.degree. C. to 180.degree. C.; treating the heat-treated membrane in hydrochloric acid and then, immersing it in an aqueous solution of sodium hydroxide and the organic solvent is preferably ethyleneglycol, propyleneglycol, isopropyleneglycol butanediol, pentanediol, hexanediol, glycerin or polyethyleneglycol.
摘要翻译： 用于电解碱金属氯化物的阳离子交换膜的特征是通过将全氟化碳型阳离子交换膜浸入760mmHg的水混溶性和沸点高于120℃的有机溶剂中来回收; 将浸入的膜保持在一对光滑的平板之间并在40℃加热至180℃。 在盐酸中处理热处理膜，然后将其浸渍在氢氧化钠水溶液中，有机溶剂优选为乙二醇，丙二醇，异丙二醇丁二醇，戊二醇，己二醇，甘油或聚乙二醇。
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