发明名称 |
Crosslinked composite semipermeable membrane |
摘要 |
A composite semipermeable membrane comprising a porous support and a crosslinked thin film formed on said porous support, said crosslinked thin film being formed by reacting compound (A) which is at least one compound selected from the group consisting of polyalkylenimines and polyalkylenimine derivatives, compound (B) which is at least one compound selected from a group of compounds typified by piperazine, 2,5-dimethylpiperazine, 4-aminomethylpiperidine and 1,4,8,11-tetraazacyclotetradecane, and compound (C) as a crosslinking agent which is a compound having in one molecule two or more functional groups capable of reacting with amino groups; and a process for preparing said composite semipermeable membrane.
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申请公布号 |
US4337154(A) |
申请公布日期 |
1982.06.29 |
申请号 |
US19800136245 |
申请日期 |
1980.04.01 |
申请人 |
NIPPON SHOKUBAI KAGAKU KOGYO CO., LTD. |
发明人 |
FUKUCHI, SHUZO;HAYASHI, TETSUZO;KOBAYASHI, HIROYA;OSHIUMI, RYOICHI |
分类号 |
B01D69/12;B01D71/60;C08G69/26;C08G73/02;(IPC1-7):B01D39/16 |
主分类号 |
B01D69/12 |
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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