Vinyl acetate copolymer emulsions for paper coating...

C - Chemistry – Metallurgy – 08 – F

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400/1208, 400/13

C08F 218/04 (2006.01) C08F 220/04 (2006.01) C08F 222/00 (2006.01) D21H 19/58 (2006.01) D21H 19/60 (2006.01)

Patent

CA 1242293

ABSTRACT Aqueous vinyl ester copolymer emulsions possessing good dry pick and wet pick strengths in paper coating compositions comprise a vinyl ester copolymer colloidally dispersed in an aqueous medium, the copolymer consisting essentially of (a) a vinyl ester of a C1-C12 alkanoic acid, (b) about 0.1 to 10 wt% of an ethylenically unsaturated mono- or dicarboxylic acid or half ester thereof, (c) about 0.05 to 10 wt% of a dicyclopentadienyl acrylate, and (d) 0-50 wt% of an alkyl acrylate.

484190

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