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公开(公告)号:US4313001A
公开(公告)日:1982-01-26
申请号:US186057
申请日:1980-09-11
申请人: Hiroshi Itoh , Tadatoshi Honda , Jun Saitoh , Takatoshi Mitsuishi
发明人: Hiroshi Itoh , Tadatoshi Honda , Jun Saitoh , Takatoshi Mitsuishi
IPC分类号: C07C20060101 , C08F8/12 , C08F120/56 , G01N11/00 , C07C103/133
CPC分类号: C07C1/00 , C08F120/56 , C08F8/12 , G01N11/00
摘要: A process for purifying an aqueous acrylamide solution which has been obtained through catalytic hydration of acrylonitrile in the presence of a copper-containing catalyst, by the steps of passing said solution through a OH-form strongly basic anion exchange resin layer and then, through a H-form cation exchange resin layer, is disclosed.
摘要翻译: 一种纯化丙烯酰胺溶液的方法,其通过在含铜催化剂存在下通过丙烯腈的催化水合获得,通过使所述溶液通过OH-型强碱性阴离子交换树脂层,然后通过 公开了H型阳离子交换树脂层。
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公开(公告)号:US4302600A
公开(公告)日:1981-11-24
申请号:US151777
申请日:1980-05-21
申请人: Jun Saitoh , Kenzo Fujii , Toshimi Nakagawa , Tadatoshi Honda , Takatoshi Mitsuishi , Hiroshi Itoh
发明人: Jun Saitoh , Kenzo Fujii , Toshimi Nakagawa , Tadatoshi Honda , Takatoshi Mitsuishi , Hiroshi Itoh
IPC分类号: C07C231/00 , C07C67/00 , C07C231/06 , C07C231/24 , C07C233/09 , C07C103/133
CPC分类号: C07C231/24 , C07C231/06
摘要: A process for purifying an aqueous acrylamide solution which has been obtained by catalytic hydration of acrylonitrile with water in the presence of a copper-containing catalyst is disclosed, said process comprising passing said solution through a weakly basic anion exchange resin having primary and/or secondary amino groups, said resin being replaced with a new one after the use without regeneration.
摘要翻译: 公开了一种在含铜催化剂存在下通过丙烯腈与水催化水合获得的丙烯酰胺水溶液的纯化方法,所述方法包括使所述溶液通过具有初级和/或次级的弱碱性阴离子交换树脂 氨基,所述树脂在使用后不用再生而被新的树脂替代。
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3.
公开(公告)号:US4544727A
公开(公告)日:1985-10-01
申请号:US635496
申请日:1984-07-30
申请人: Kenji Ema , Jun Saito , Takatoshi Mitsuishi , Shuhei Ikado
发明人: Kenji Ema , Jun Saito , Takatoshi Mitsuishi , Shuhei Ikado
IPC分类号: C08F12/00 , C08F212/00 , C08F212/10 , C08F212/14 , C08F220/44 , C08F216/02
CPC分类号: C08F220/44 , C08F212/14
摘要: A copolymer consisting of 30 to 65 mole % of structural units of the formula ##STR1## 1 to 55 mole % of structural units of the formula ##STR2## and 10 to 60 mole % of structural units of the formula ##STR3## and having a number average molecular weight of 500 to 200,000.
摘要翻译: 一种共聚物,由30-65%(摩尔)结构单元的式(I)1-55%(摩尔)结构单元的式(II)和10-60%(摩尔)结构单元的式 并且数均分子量为500〜200,000。
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