▎ 摘　　要

NOVELTY - A coating comprises 30-45 pts. wt., preferably 40 pts. wt. fluorocarbon resin, 5-16 pts. wt., preferably 12 pts. wt. hydroxyethyl cellulose, 9-15 pts. wt., preferably 13 pts. wt. lignosulfonate, 20-26 pts. wt., preferably 24 pts. wt. precipitated calcium carbonate, 5-14 pts. wt., preferably 11 pts. wt. graphene, 5-9 pts. wt., preferably 8 pts. wt. polyvinyl alcohol, 5-13 pts. wt., preferably 10 pts. wt. trioctyl citrate, 6-12 pts. wt., preferably 9 pts. wt. sebacic acid dihydrazide, 15-20 pts. wt., preferably 18 pts. wt. ethanol, and 30-38 pts. wt., preferably 35 pts. wt. water. USE - The coating is useful for back sheet of solar battery. ADVANTAGE - The coating has improved mechanical properties, wear resistance, aging resistance and corrosion resistance. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a method of preparing the coating.