▎ 摘　　要

NOVELTY - Highly conductive flexible touch graphene composite material comprises 20-25 pts. wt. graphene hydrosol, 5-8 pts. wt. silver powder, 1-10 pts. wt. carbon nanotubes, 0.3-0.4 pts. wt. potassium carboxymethyl cellulose, 10-14 pts. wt. polyimide, 6-8 pts. wt. polydimethylsiloxane and 0.2-0.45 pts. wt. zirconium dioxide powder. USE - The composite material is useful for flexible touch materials. ADVANTAGE - The composite material: has improved conductivity and enhanced ductility. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for preparing highly conductive flexible touch graphene composite material comprising (i) adding carbon nanotubes into the graphene hydrosol, and dispersing the mixture in ultrasonic system for ultrasonic dispersion for 3-4 hours to obtain graphene-carbon nanotube composite dispersion, washing by suction filtration and placing in a vacuum drying oven overnight at 65 degrees C, (ii) placing graphene-carbon nanotube composite dispersion in a stirring ball mill apparatus and stirring while rotating at a speed of 1300-1500 revolutions/minute, adding potassium carboxymethyl cellulose, zirconium dioxide powder, silver powder and polydimethylsiloxane, fully mixing for 40 minutes to obtain mixed system, (iii) placing the mixed system in mechanical stirring device, adding polyimide at speed of 2000 revolutions/minute while stirring, stirring for 30 minutes, and then spray-drying to obtain composite powder, and (iv) placing composite powder in mold to obtain composite material blank, and then placing composite material blank in sintering furnace and sintering at 1000 degrees C for 1 hour to obtain highly conductive flexible touch graphene composite material.