▎ 摘　　要

NOVELTY - Micro-crosslinked antistatic graphene-based polypropylene composite material comprises 70-90 pts. wt. polypropylene, 0-20 pts. wt. inorganic filler, 2-3 pts. wt. processing additives, 0.01-0.1 pt. wt. initiator and 5-10 pts. wt. graphene-based antistatic masterbatch comprising 85-95 pts. wt. elastomer, 5-20 pts. wt. graphene microchip, 1-5 pts. wt. coupling agent, 2-5 pts. wt. processing additive, 0.01-0.1 pt. wt. initiator and 0.1-2 pts. wt. cross-linking additive. USE - As micro-crosslinked antistatic graphene-based polypropylene composite material. ADVANTAGE - The composite material is relatively low in the addition amount of the crosslinking agent of the resin phase and the reinforcing phase, has certain fluidity and is easy to process under the premise of meeting the antistatic requirements. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a method for preparing the composite material involving (i) mixing elastomer, graphene flakes, coupling agent, processing additives, initiator and cross-linking additive, adding to HAAKE Torque rheometer in order for melt blending, banburying and collecting the product for granulation to obtain the masterbatch and (ii) mixing the graphene-based antistatic masterbatch obtained in the step (i) with polypropylene, inorganic fillers, elastomers and initiator, adding the mixture to the high-speed mixer and uniformly mixing, adding it to the twin-screw extruder, melting, extruding, cooling and pelletizing using the twin-screw extruder to prepare micro-crosslinked antistatic graphene-based polypropylene, where the processing temperature from the zone (I) to (X) of the twin-screw extruder is 155 degrees C, 185 degrees C, 195 degrees C, 200 degrees C, 205 degrees C, 210 degrees C, 215 degrees C, 220 degrees C, the rotation speed of the main screw is 400-450 rpm, and the temperature of the water tank is 23-50 degrees C.