1 results about "Black lead" patented technology

This invention relates to a polyester resin for 50 / 50 blended powder coatings. This polyester resin is obtained by reacting raw materials including glycerin black lead, ethylene glycol, diethylene glycol, terephthalic acid, 4,4'-biphenyl dicarboxylic acid, succinic acid, and pyromellitic dianhydride. The resulting product exhibits good impact resistance, a gloss level generally above 92%, and other properties such as adhesion that basically meet the application requirements of 50 / 50 blended powder coatings. Due to the comprehensive utilization of the effective components of glycerin black lead, it has the advantages of low cost and outstanding environmental performance.