▎ 摘　　要

NOVELTY - A flat offset printing ink comprises 20-30 pts. wt. polyurethane, 10-30 pts. wt. phenolic epoxy acrylate, 4-6 pts. wt. epoxidized oil propionate, 3-5 pts. wt. drying agent, 15-20 pts. wt. pigment, 1-3 pts. wt. coupling agent, 0.3-0.6 pt. wt. antioxidant, 1-2 pts. wt. dispersant and 6-8 pts. wt. graphene. USE - Flat offset printing ink (claimed). ADVANTAGE - The flat offset printing ink is nontoxic, safe and economical, and has excellent coloring property, dispersibility and rapid drying property. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of flat offset printing ink.