▎ 摘　　要

NOVELTY - A graphene modified hard PVC plastic comprises 100 parts mass PVC resin, 1-5 parts mass heat stabilizer, 2-10 parts mass processing aid, 2-15 parts mass impact modifier, 4-18 parts mass antistatic filler, 5-30 parts mass filler, 0.3-3 parts mass lubricant, 0.2-5.0 parts mass coupling agent. USE - Graphene modified hard PVC plastic for environmental protection antistatic plates. ADVANTAGE - The graphene modified hard PVC plastic has no pollution, the size and shape of the board can be customized according to user requirements, surface resistance can be regulated in 101-109 Omega . The graphene modified hard PVC plastic has excellent anti-static effect, long-lasting property, environmental protection, high impact strength, high Vicat temperature, excellent weather resistance, excellent processing performance and high overall performance. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation method of graphene modified hard PVC plastic for environmental protection antistatic plate, which involves (i) configuring the raw material, (ii) placing the raw materials into a high-speed mixer, mixing evenly for 10-30 minutes at a speed of 1000-3000 rpm, (iii) cooling the mixture obtained in step (ii) and placing in a material bin, aging for 24 hours, (iv) (4) extruding the material obtained in step (iii) at 160-220 degrees C through a twin-screw extruder which is a conical twin-screw extruding device.