▎ 摘　　要

NOVELTY - Conductive graphene composite coating comprises 100 pts. wt. aqueous epoxy resin emulsion, 3-6 pts. wt. graphene oxide, 20-40 pts. wt. hydrazine hydrate, 1-3 pts. wt. nano titanium dioxide, 1-3 pts. wt. sodium dodecylbenzene sulfonate, 0.1-0.5 pts. wt. N-hydroxysuccinimide, 2-4 pts. wt. linear polyethyleneimine, 4-10 pts. wt. 1.5-2 mol/l sodium hydroxide solution, 1-2 pts. wt. stabilizer, 1-2 pts. wt. defoamer, 1-2 pts. wt. dispersant, and 1-2 pts. wt. softening agent. USE - The conductive graphene composite coating is useful for automobiles. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for preparing conductive graphene composite coating comprising (1) adding sodium dodecylbenzene sulfonate into water and mixing, adding graphene oxide and nano-titanium dioxide in sequence under stirring, and ultrasonic treatment for 10-20 minutes after completing addition, the ultrasonic power is 500-600 W to obtain preform a, (2) adding sodium hydroxide solution to preform a and stirring, adjusting temperature to 70-80 degrees C, adding N-hydroxysuccinimide under stirring, and adding linear polyethyleneimine for ultrasonic treatment for 10-30 minutes, ultrasonic power is 300-400 W, filtering by suction, drying, and pulverizing by airflow under protection of nitrogen to obtain preform b, (3) re-dispersing preform b in de-ionized water, heating to 90-100 degrees C, adding hydrazine hydrate dropwise, refluxing for 18-20 hours, centrifuging and washing, adding de-ionized water, low-temperature ball milling at 10-15 degrees C for 5-8 minutes to obtain premix c, and (4) adding stabilizer, defoamer, and softener to premix c in sequence and mixing, adding water-based epoxy resin emulsion and dispersant in sequence and mixing, ultrasonic vibration at 400-500 W for 15-25 minutes, ultrasonic frequency is 15-30 kHz, maintaining at 10-15 degrees C during ultrasonic process, and filtering to obtain conductive graphene composite coating for automobiles.