| 发明名称 |
COMPOSITE MEMBRANES OF POLY(METHYL METHACRYLATE) BLENDS. |
| 摘要 |
<p>A method for enhancing the long term performance of gas separation membranes. The permeable membranes are heated at a moderate temperature of from about 50 DEG C. to 140 DEG C. Use of this method enables restoration and reclamation of permeable membranes that have suffered degradation in performance in gas separation processes.</p> |
| 申请公布号 |
EP0354937(B1) |
申请公布日期 |
1994.06.22 |
| 申请号 |
EP19880909859 |
申请日期 |
1988.11.01 |
| 申请人 |
PRAXAIR TECHNOLOGY, INC. |
发明人 |
NELSON, JOYCE, K. |
| 分类号 |
B01D53/22;B01D67/00;B01D69/12;B01D71/12;B01D71/16;B01D71/22;B01D71/40;B32B5/18;C08J5/18;C08L1/00;C08L1/08;C08L33/04;C08L33/12;D01F2/28;D01F6/00;D01F6/60;D01F6/76;D06M15/07;D06M15/263;D06M101/00;D06M101/16;D06M101/18;D06M101/30;D06M101/34;(IPC1-7):B01D61/00 |
主分类号 |
B01D53/22 |
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