Composite membrane and process for its production

Details Composite membrane and process for its production Composite membrane and process for its production

1997-07-25

1998-03-31

Dean, Karen A.

Stock material or miscellaneous articles

Composite

Of silicon containing

264298, 264216, 264204, 264207, 264 41, 210490, 210500M, B32B 904, B29C 6500, B01D 2900

Patent

active

057336636

ABSTRACT:
To produce a composite membrane, the solution of a polymer in a volatile organic solvent is spread on water, the solvent is allowed to evaporate, the polymer is crosslinked and the polymer film formed is transferred to a porous support membrane. The polymer is preferably a polysiloxane which is cross-linked via polymer-bonded OH groups. The composite membrane is suitable, inter alia, for pervaporation.

REFERENCES:
patent: 3445321 (1969-05-01), Flynn
patent: 3892665 (1975-07-01), Steigelmann et al.
patent: 4279855 (1981-07-01), Ward, III
patent: 4631075 (1986-12-01), Yamabe et al.
patent: 5286280 (1994-02-01), Chiou
Derwent Publications Ltd., London, GB, Abstract No. 87-019258.
Patent Abstracts of Japan, Abstract No. JP61278307 published Dec. 9, 1986.
Patent Abstracts of Japan, Abstract No. JP63278525 published Nov. 16, 1988.
Patent Abstracts of Japan, Abstract No. JP5317666 published Dec. 3, 1993.
Derwent Publications Ltd., London, GB, Abstract No. 94-011229.
Chemical Abstracts, vol. 106, 1987, p. 117, Abstract No. 215974.

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