▎ 摘　　要

NOVELTY - A green leather tanning agent comprises 20-30 pts. wt. natural semi-drying oil, 10-18 pts. wt. tannin, 10-16 pts. wt. glutaraldehyde grafted modified starch, 2-6 pts. wt. bisphenol A , 1.2-3.6 pts. wt. sodium hexametaphosphate, 10-20 pts. wt. modified graphene oxide, and 1.3-3.2 pts. wt. amino cellulose. USE - Green leather tanning agent. ADVANTAGE - The green leather tanning agent has simple production technique, low cost, environment-friendly production process, reduces the storage cost of the epoxy leather tanning agent, at the same time, the produced leather is soft and plump, and little adding amount, so as to effectively reduce the production process of the leather. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of the tanning agent comprising mixing raw materials and stirring at room temperature.