Aqueous coating composition

C - Chemistry – Metallurgy – 25 – D

Patent

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400/5045, 400/54

C25D 13/06 (2006.01) C08G 18/40 (2006.01) C08G 18/42 (2006.01) C09D 5/44 (2006.01) C09D 175/06 (2006.01)

Patent

CA 1244576

-1- Abstract: Aqueous coating composition having a solids content of 5 to 30% by weight, particularly for electrophoretic coating, containing, related to the total quantity of the binders contained in the coating composition, (A) 40 to 90% by weight of polyesters containing carboxyl groups; (B) 5 to 30% by weight of. blocked polyisocyanates; (C) 5 to 40% by weight of free epoxy groups containing glycidyl polymers, and (D) 0 to 20% by weight of hydroxyl group-containing polyesters and/or acrylic resins, and a process for the preparation of these aqueous coating compositions. The invention also relates to the use of these coating compositions for the production of coatings, particularly by the electrophoretic coating process.

444140

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