Patent ID: 6036767
Filing Date: 2000-03-14
Classification: C09D,Y10T

Abstract:
A composition for electro-deposition on an aluminum oxide film or an aluminum alloy oxide film, said composition comprising:(a) a dispersion of an organic white pigment, and(b) a composition for electro-deposition paint,wherein the organic white pigment is selected from the group consisting of:(i) alkylene-bis-melamine compounds represented by the following formula (1): ##STR9## wherein R is a hydrogen atom, an alkyl group or an alicyclic group having 1 to 4 carbons; R.sub.1, R2, R.sub.3 and R.sub.4 are the same or different, each representing a hydrogen atom or a lower alkyl group having 1 to 4 carbons, and R.sub.1 and R.sub.2 or R.sub.3 and R.sub.4 optionally forming a heterocyclic group with a nitrogen atom; and X is a lower alkylene group having 2 to 3 carbons; and(ii) polystyrene, polyacrylates and styrene-acrylate copolymers,and wherein the concentration of the organic white pigment is from 0.5 to 10% by weight.