Method for forming polymer composite films using removable...

Details Method for forming polymer composite films using removable... Method for forming polymer composite films using removable...

C - Chemistry, Metallurgy

08

L

18/13, 204/157

C08L 27/12 (2006.01) C08K 5/02 (2006.01) C08J 3/08 (1985.01)

Patent

CA 1265902

ABSTRACT The invention is a method for forming polymer composite films using removable substrates by: (a) forming a first dispersion of a first perfluorinated polymer dispersed in a first dispersant; (b) depositing the first dispersion onto a first removable substrate; (c) removing the first dispersant from the first dispersion, thereby forming a first film; (d) forming a second dispersion of a second perfluorinated polymer disposed in a second dispersant; (e) depositing the second dispersion onto a second removable substrate; (f) removing the second dispersant from the second dispersion, thereby forming a second film; (g) bonding the first film to the second film; and (h) removing the first and the second substrate. The most preferred first and second dispersant is 1,2-dibromotetrafluoroethane.

510616

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