▎ 摘　　要

NOVELTY - Preparation of leather tanning agent involves stirring 32-36 parts mass polyether glycol branched acrylic resin, 2-5 parts mass sodium citrate, 6-12 parts mass modified graphene oxide, 2-6 parts mass glyoxal-grafted modified starch, 3-6 parts mass triethanolamine, 2-6 parts mass sodium dichromate, 10-20 parts mass ethyl acetate, 1.2-3.6 parts mass nitric acid, 1-2 parts mass sodium sulfonate and 50-60 parts mass deionized water in stirrer. USE - Preparation of leather tanning agent. ADVANTAGE - The preparation method is simple, economical and environmentally-friendly. The leather tanning agent effectively reduces leather production process, and provides leather with hand feel and plump surface.