发明名称 |
Stable membranes from sulfonated polyarylethers |
摘要 |
The invention provides a novel thin film composite or coated membrane suitable for reverse osmosis, ultrafiltration and microfiltration applications, and having a porous polymeric substrate with one or more microporous layers to which a thin film or coating comprising a sulfonated polyarylether is attached substantively to provide an oxidatively stable, thin hydrophilic film or coating layer, and a method for manufacturing and using the same.
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申请公布号 |
US4990252(A) |
申请公布日期 |
1991.02.05 |
申请号 |
US19890397346 |
申请日期 |
1989.08.22 |
申请人 |
HYDANAUTICS |
发明人 |
TOMASCHKE, JOHN E.;TESTA, ANTHONY J.;VOUROS, JAMES G. |
分类号 |
B01D67/00;B01D69/12;B01D71/52;B01D71/68 |
主分类号 |
B01D67/00 |
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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