C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 63/10 (2006.01) C09D 5/44 (2006.01)
Patent
CA 2707632
A pigment dispering resin is disclosed along with pigment dispersion, electrodepositable coating compositions using the pigment dispersing resin, and methods for applying the electrodepositable coating composition. The pigment dispersing resin consists essentially of the carboxylic acid salt of an aminated bisphenol epoxy resin and an alkoxylated styrenated phenol. Pigment dispersions made from the dispersing resin are especially useful for forming low or no volatile organic content electrocoating baths.
L'invention porte: sur une résine dispersant les pigments, sur une dispersion de pigments, sur des compositions de revêtement applicables par électrodéposition comprenant ladite résine, et sur des méthodes d'application desdites compositions. Ladite résine consiste essentiellement en un sel d'acide carboxylique de résine époxy bisphénolique aminée et en un phénol styréné alcoxylé. De telles dispersions de pigments sont spécialement utiles pour former des bains d'électrodéposition à teneur faible ou nulle en éléments organiques volatiles.
E. I. Du Pont de Nemours And Company
Torys Llp
LandOfFree
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