Multilayer membrane and process of manufacturing the same

B - Operations – Transporting – 01 – D

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B01D 69/10 (2006.01) B01D 69/12 (2006.01) B01D 71/38 (2006.01) B32B 27/08 (2006.01)

Patent

CA 2047782

ABSTRACT MULTILAYER MEMBRANE AND PROCESS OF MANUFACTURING IT A multilayer membrane is described, which is composed of a carrier layer, a porous support- ing layer and a separating layer. The separating layer is nonporous and consists of a polyvinyl alcohol which is modified with 5 to 20% by weight of a polyvinyl ester or a polyvinyl ether.

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