▎ 摘 要
NOVELTY - Copper door varnish comprises resin comprising 3-4 pts. wt. acrylic resin, 1 pt. wt. amino resin, 0.5-0.7 pt. wt. fluororesin and 4-6 wt.% graphene oxide based on the total weight of varnish and additives comprising 4-6 wt.% coupling agent based on the total weight of varnish, where the solid content of the copper door varnish is 65-70%. USE - As copper door varnish. ADVANTAGE - The copper door varnish changes color based onto the baking temperature. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a method for preparing copper door varnish, involving (i) uniformly stirring the solvent and all raw materials and homogenizing and (ii) packaging.