| http://www.w3.org/ns/prov#value | - 20090090241GAS SEPARATION MEMBRANES CONTAINING A MICROPOROUS SILICA LAYER BASED ON SILICA DOPED WITH A TRIVALENT ELEMENT - The subject of the present invention is a method for producing a gas separation membrane, comprising the deposition of a film from a silica sol onto a porous support followed by heat treatment of the film thus deposited, in which the silica sol deposited is prepared by hydroly
|
