发明名称 |
Process for purifying 2-acrylamido-2-methylpropanesulfonic acid |
摘要 |
This disclosure relates to a process for the purification of 2-acrylamido-2-methylpropanesulfonic acid, which comprises dissolving said sulfonic acid in hydrous acetic acid of a water content of 3 to 80% by weight at 60 DEG to 110 DEG C. and subjecting the resulting solution to recrystallization. The purified product thus obtained is useful particularly as a starting material in preparing a high-molecular-weight polymer or copolymer.
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申请公布号 |
US4337215(A) |
申请公布日期 |
1982.06.29 |
申请号 |
US19790008114 |
申请日期 |
1979.01.31 |
申请人 |
NITTO CHEMICAL INDUSTRY CO., LTD. |
发明人 |
DOI, SHUNICHI;KAMOGAWA, MASATAKE |
分类号 |
C07C67/00;C07C301/00;C07C303/42;C07C309/15;(IPC1-7):C07C143/02 |
主分类号 |
C07C67/00 |
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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