Cationic electro-coating composition

Details Cationic electro-coating composition Cationic electro-coating composition

C - Chemistry, Metallurgy

09

D

C09D 5/44 (2006.01) C09D 5/08 (2006.01)

Patent

CA 2313699

This invention relates to cationic electro-coating composi-tion which comprises blending which an aqueous dispersion or an aqueous dispersion paste which contains an organic acid-modified bismuth compound in a non-water-soluble state, and which is ob-tained by mixing and grinding a bismuth compound and an organic acid in an aqueous medium. Said cationic electro-coating composi-tion, although containing no lead compounds, is capable of forming an electrocoated film which is excellent in corrosion resistance, appearance, etc.

Composition de peinture pour électrodéposition cationique, qui est constituée d'une dispersion ou d'une pâte aqueuse, que l'on prépare en dispersant un composé à base de bismuth et un acide organique dans un milieu aqueux, et qui renferme un produit de modification dudit composé de bismuth avec l'acide organique non dissous dans l'eau. Cette composition forme un film électrodéposé présentant d'excellentes caractéristiques d'anticorrosion, de fini, etc., bien qu'elle ne contienne aucun composé à base de plomb.

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