Protective overcoat compositions and photographic elements...

Details Protective overcoat compositions and photographic elements... Protective overcoat compositions and photographic elements...

G - Physics

03

C

G03C 1/76 (2006.01) C09D 5/02 (2006.01) C09D 129/04 (2006.01) C09D 133/14 (2006.01) C09D 183/14 (2006.01) G03C 11/08 (2006.01) C08L 71/02 (2006.01) C08L 83/14 (2006.01)

Patent

CA 2062764

Protective overcoat compositions and photographic elements containing same comprise: (a) a water-soluble hydroxylated polymer; (b) a hydrolyzed metal lower alkoxide or mixtures thereof, with the proviso that when said hydrolyzed metal lower alkoxide is a tetrafunctional silicon lower alkoxide said hydrolyzed metal lower alkoxide comprises a mixture of said tetrafunctional silicon lower alkoxide with another hydrolyzed metal lower alkoxide that is not a tetrafunctional silicon lower alkoxide; and (c) a fluoroalkyl polyether surface active agent. The overcoat is transparent and flexible and provides protection against scratches and abrasion.

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