PROCESSO PARA A PREPARACAO DE UM REVESTIMENTO MULTICOLOR CONSTITUIDO POR UM LIGANTE E PELO MENOS UM POLIMERO QUE CONTEM GRUPOS HIDROXILO E DE MATERIAL COMPOSITO QUE UTILIZA ESSE REVESTIMENTO

摘要

Multicolour coating, especially for metal substrates. It consists of a surface coat comprising a dispersion in a colourless varnish of bulk-coloured thermoplastic resin powders and optionally of an undercoat of a tint which is uniform to the eye, with at least one of the tints of the powders of a colour other than that of the undercoat.