Cationic electro-coating bath composition

Details Cationic electro-coating bath composition Cationic electro-coating bath composition

C - Chemistry, Metallurgy

09

D

C09D 163/08 (2006.01) C09D 5/44 (2006.01) C09D 7/12 (2006.01)

Patent

CA 2376376

This invention provides, at a low cost, a low-pollution type cationic electro-coating bath composition which contains neither lead nor chromium, and which comprises cationic electrodeposition paint and, contained therein, a bismuth oxide paste, the amount of the bismuth oxide paste being within a range of 0.1 to 0.3 % by weight as metal bismuth on the basis of total solid content of said cationic electro-coating bath composition, and the bismuth oxide paste being prepared by dispersing bismuth oxide (B) in an organic acid-neutralized aqueous dispersion of diethanol amine-added alicyclic epoxy resin (A).

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