Verfahren zur Herstellung nicht poröser Membranschichten.
摘要
<p>A process for preparing non-porous membrane layers by applying a solution comprising a solvent and a (e.g. silicon-containing) polymer having a weight-average molecular weight of at least 300,000 Da onto a porous substrate (e.g. polypropylene) and allowing the solvent to evaporate.</p>
申请公布号
DE68907093(T2)
申请公布日期
1993.10.14
申请号
DE1989607093T
申请日期
1989.03.10
申请人
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V., DEN HAAG/S'GRAVENHAGE, NL
发明人
VAN DER SCHEER, ALBERT, KENT ME9 8AG, GB;LAST, THIJME, NL-1031 CM AMSTERDAM, NL
