Desalination process using n-3-hydroxyalkyl acrylamide polymer membranes
    2.
    发明授权
    Desalination process using n-3-hydroxyalkyl acrylamide polymer membranes 失效
    使用N-3-羟基甲基丙烯酰胺聚合物膜的脱盐工艺

    公开(公告)号:US3585125A

    公开(公告)日:1971-06-15

    申请号:US3585125D

    申请日:1969-01-03

    Applicant: LUBRIZOL CORP

    Inventor: HOKE DONALD I

    CPC classification number: C08G18/6266 B01D71/40 C08F20/58

    Abstract: N-3-HYDROXYALKYL ACRYLAMIDES, AND SUBSITUTED DERIVATIVES THEROF, ARE PREPARED BY (1) REDUCTION OF AN N-3OXOHYDROCARBON-SUBSTITUTED ACRYLAMIDE, (2) ADDITION OF AN ALCOHOL TO THE N-O-OXOHYDROCARGON-SUBSTITUED ACRYLAMIDE, FOLLOWED BY HYDROGENATION OF THE CARBONYL GROUP AND ELIMINATION OF THE ALCOHOL, OR (3) HYDROLYSIS OF A 2VINYL-5,6-DIHYDRO-1,3-OXAZINE. THE ACRYLAMIDES ARE USEFUL AS MONOMERS FOR CONVERSION TO POLYMERS WITH A NUMBER OF INTERESTING PROPERITIES, INCLUDING UTILITY AS MEMBRANES FOR DESLAINATION OF WATER BY HYPERFILTRATION. THE POLYMERS MAY BE CROSSLINKED BY THE ACTION OF SUCH REAGENTS AS DIISOCYANATES, DICARBOXYLIC ACID HALIDES, AND ALDEHYDES IN ACIDIC SOLUTION.

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