Carboxylated vinyl pyrrolidone copolymers

C - Chemistry – Metallurgy – 08 – F

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C08F 220/02 (2006.01) C08F 212/08 (2006.01) C08F 220/12 (2006.01) C08F 226/10 (2006.01)

Patent

CA 1134549

CARBOXYLATED VINYL PYRROLIDONE COPOLYMERS Abstract of the Disclosure Copolymers of at least two acrylate monomers such as isobutyl methacrylate and 2-ethylhexyl acrylate, an or- ganic acid or acid anhydride, and N-vinyl-2-pyrrolidone are prepared by emulsion polymerization. The polymer is then coagulated and dried, and dry resin is mixed with a water miscible coalescing solvent and a volatile amine. The amine-treated resin is water reducible and when used as a coating resin produces coatings of unusual water re- sistance and adhesion to metal surfaces.

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