The market size of unsaturated polyester resin exceeds 60 billion, with phthalic acid type being the most important type.
Unsaturated polyester resin is generally a linear polymer compound with ester bonds and unsaturated double bonds formed by the condensation polymerization of unsaturated dibasic acid and diol or saturated dibasic acid and unsaturated diol. Unsaturated polyester resin has good corrosion resistance, resistance to acids, alkalis, salts, most organic solvents, seawater and other substances, and is…