▎ 摘　　要

NOVELTY - Preparation of antistatic PVC composite material involves conveying (i) precursor calcium oxide powder, calcium hydroxide powder or calcium carbonate powder in tubular resistor (a) with carrier gas (a) into furnace for high temperature activation, dispersing powder and transferring modifier for high temperature modification to obtain the modification required for the growth of graphene, transferring catalyst to tube resistance (b) having carbon source under the atmosphere of the carrier gas (b) to obtain graphene-calcium oxide composite powder, digesting (ii) graphene-calcium oxide composite powder and water in digestion kettle for graphene-calcium hydroxide powder, transferring the powder to stainless steel carbonization, compressing lime kiln gas for carbonization reaction for graphene-calcium carbonate composite powder and mixing (iii) graphene calcium carbonate composite powder and PVC substrate in mixer and adding mixture to twin-screw extruder for melting blend granulation. USE - Preparation of antistatic PVC composite material. ADVANTAGE - The method provides antistatic PVC composite material having suppressed agglomeration of graphene. DETAILED DESCRIPTION - Preparation of antistatic PVC composite material involves conveying (i) precursor calcium oxide powder, calcium hydroxide powder or calcium carbonate powder in tubular resistor (a), introducing carrier gas (a) into furnace for high temperature activation and catalyst obtained after high temperature activation which is heated under the condition of oxygen isolation, dispersing powder and transferring modifier for high temperature modification to obtain the modification required for the growth of graphene active catalyst, transferring catalyst to tube resistance (b) having carbon source under the atmosphere of the carrier gas (b) and cooling reaction to room temperature, digesting (ii) graphene-calcium oxide composite powder and water in digestion kettle and aging the graphene-calcium hydroxide powder, transferring the powder to stainless steel carbonization which is purified, and cooling and compressing lime kiln gas for carbonization reaction, controlling pH of system to 7 to terminate carbonization reaction for graphene-calcium carbonate composite powder and mixing (iii) graphene calcium carbonate composite powder and PVC substrate in high-speed mixer and adding mixture to twin-screw extruder for melting blend granulation.