The Valspar Corporation

Robert B Edenborg

Philip J Ruhoff

Larry B Brandenburger

James A Prevost

Rodney W Stockstad

Jeffrey L Anderson

To improve chip resistance of an alkyd-type electro-depositable coating composition, there may be added to the composition an ethylenically unsaturated, addition-polymerizable monomer or oligomer having a substantially linear backbone, having a molecular weight of at least about 150, and being reactive with fatty acid unsaturation of the alkyd.

Cationic electrodeposition compositions for producing chip-resistant

An alkyd-type electrodepositable coating composition derived from the reaction of a base alkyd with ethylenically unsaturated monomers including an amine-functional monomer is provided with improved resistance to chipping by chemically incorporating in it by covalent bonding one or more chemical agents selected from the group of:

Modified alkyd cationic electrodeposition compositions for producing

A cationic electrodeposition composition comprising the reaction product of one or more base alkyds, containing unsaturation of the fatty acid chains to provide oxidative curing and one or more ethylenically unsaturated monomers, and one or more amine functional monomers, which are added to the base alkyd and polymerized. This composition provides a vehicle which is hydrolytically stable. Paints are prepared by the addition of conventional driers, pigments and solvents to the vehicle composition.

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Beaver Dam, WI, United States of America

Robert B Edenborg