| abstract |
An electrophoretic coating composition comprises an aqueous medium and a resinous binder dispersed therein, said resinous binder being a mixture of a modified butadiene polymer neutralized with a base and a water-dispersible methylolated phenol resin, said modified butadiene polymer being prepared by reacting a mixture of 1,2-polybutadiene, 1,4-polybutadiene and unsaturated oil compound having an iodine value of at least 100 with at least one of a Alpha , Beta -unsaturated dibasic acids and anhydrides thereof. |