Patent ID: 6448326
Filing Date: 2002-09-10
Classification: C08G,C09D

Abstract:
A method for preparing an automotive refinish coating, comprising steps ofpreparing a mixer system comprising a plurality of separately stored base colorant components (A) and a separately stored pigment-free component (B); preparing a refinish coating composition having an accurately defined color matching a finish on an automotive vehicle from the mixer system by combining portions of components (A) and (B); applying the refinish coating composition to a portion of the automotive vehicle substrate; and drying the applied coating, wherein each base colorant component (A) consists essentially of: (Aa) from 0.5 to 70% by weight of at least one pigment selected from the group consisting of special-effect pigments, color-imparting pigments, and combinations thereof; (Ab) from 10 to 80% by weight of at least one water-thinnable or water-dispersible resin selected from the group consisting of polyurethane resins, amino resins, polyacrylate resins, polyester resins, and combinations thereof; (Ac) at least one organic solvent, and (Ad) less than 5% water, and further wherein the pigment-free component (B) comprises water and at least one water-thinnable or water-dispersible resin selected from the group consisting of polyurethane resins, amino resins, polyacrylate resins, polyester resins, and combinations thereof.