发明名称 |
PROCESS FOR REMOVING WATER FROM WATER SOLUBLE POLYMER |
摘要 |
<p>: The invention relates to an improved process for removing water, under elevated temperature, from aqueous gel of water soluble polymer, such as polymer or copolymer of acrylamide and/or quaternary ammonium salts of dialkylaminoamlkylmethacrylate, to prevent from the deterioration of polymer properties. The process is accomplished by addition of polyhydric phenols, benzoquinones or derivatives thereof prior to removal of water.</p> |
申请公布号 |
CA1064195(A) |
申请公布日期 |
1979.10.09 |
申请号 |
CA19760266583 |
申请日期 |
1976.11.25 |
申请人 |
KYORITSU YUKI CO., LTD.;MITSUBISHI CHEMICAL INDUSTRIES LIMITED |
发明人 |
TAGO, ATSUO;YAMANAKA, RYOICHI;MATSUMOTO, SUSUMU |
分类号 |
B01D21/01;C08F6/00;C08F6/06;C08F6/12;C08F20/00;C08F20/34;(IPC1-7):08F6/12;08F20/34;08F20/56 |
主分类号 |
B01D21/01 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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