▎ 摘　　要

NOVELTY - A electroconductive paste comprises 28-32 pts. wt. graphene-nano-copper composite powder, 5-7 pts. wt. nano-tungsten carbide powder, 27-35 pts. wt. organic solvent, 22-26 pts. wt. polymer resin and 7-12 pts. wt. additive. The polymer resin comprises epoxy resin and rosin resin. The organic solvent comprises diethylene glycol monobutyl ether acetate and isophorone composition. The additive comprises tannic acid, glycerol and nano calcium carbonate. USE - Electroconductive paste is used for mobile phone touchscreen. ADVANTAGE - The electroconductive paste has excellent adhesiveness, and does not contain silver, halogen, lead, cadmium, hexavalent chromium and harmful substances, and is energy-saving and environmentally-friendly. The mobile phone touchscreen obtained using electroconductive powder has excellent flexural property and strength. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of electroconductive paste.