发明名称 A process for drying water-wet polycarbonate membranes.
摘要 <p>The invention is a process for drying water-wet polycarbonate membranes by contacting the membrane with a pretreatment fluid containing at least one C1-4 alcohol to remove residual solvent and non-solvent and/or tighten the membrane discriminating layer, followed by drying the membrane with air or an inert gas to evaporate the alcohol and/or water.</p>
申请公布号 EP0341696(A2) 申请公布日期 1989.11.15
申请号 EP19890108430 申请日期 1989.05.10
申请人 THE DOW CHEMICAL COMPANY 发明人 ADMASSU, WUDNEH
分类号 B01D71/50;B01D67/00;B01D71/68;C08G64/00;C08G64/06;C08G64/10;C08G64/40;D01F6/00;D01F6/64;F26B5/00 主分类号 B01D71/50
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