▎ 摘　　要

NOVELTY - Eco-friendly adhesive protection gluing agent comprises 20-30 pts. wt. epoxy resin, 20-30 pts. wt. chloroprene rubber, 4-8 pts. wt. modified filler, 1-5 pts. wt. coupling agent, 30-60 pts. wt. solvent, 1-5 pts. wt. curing agent, 6-14 pts. wt. chlorinated graphene, 10-20 pts. wt. water glass, 1-5 pts. wt. polyvinyl alcohol, 0.1-3 pts. wt. antioxidant and 1-5 pts. wt. inorganic powder. USE - Eco-friendly adhesive protection gluing agent for compound backing plate of circuit board. ADVANTAGE - The eco-friendly adhesive has high in strength, and improves curing speed. The colloid has good thermal stability, high temperature resistance and insulating property. The preparation method of the eco-friendly adhesive is simple, and provides convenient operation and control. The produced product has high quality and cost-effective, and facilitates industrial production. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a method for preparing eco-friendly adhesive, which involves: refining the toughening agent, adding the epoxy resin and the chloroprene rubber into the solvent, stirring uniformly, adding the refined toughening agent, and continuously stirring and mixing for 15-25 minutes to obtain a mixture A; mixing and heating chlorinated graphene, water glass, polyvinyl alcohol, inorganic powder and thermoplastic polyimide at 40-60℃, and continuously stirring for 15-25 minutes to obtain a mixture B; adding the modified filler, the coupling agent, the curing agent, the antioxidant and the mixture B into the mixture A, and stirring for 3-5 hours.