▎ 摘　　要

NOVELTY - An antibacterial polyethylene-polyvinyl chloride water supply pipe comprises 90-110 pts. wt. polyethylene resin, 25-40 pts. wt. polyvinyl chloride resin, 5-10 pts. wt. polybutylene terephthalate, 6-15 pts. wt. graphene, 5-10 pts. wt. crosslinking agent, 0.6-1.5 pts. wt. coupling agent, 0.8-1.5 pts. wt. stabilizer, 0.3-0.8 pt. wt. antioxidant and 3-8 pts. wt. dispersant. USE - Antibacterial polyethylene-polyvinyl chloride water supply pipe. ADVANTAGE - The pipe prevents bacterial growth, has improved tensile strength and has excellent mechanical property. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of antibacterial polyethylene-polyvinyl chloride water supply pipe comprising taking polyethylene resin, polyvinyl chloride resin, polybutylene terephthalate and graphene, mixing at 50-70 degrees C for 10-20 minutes, adding remaining raw materials, crosslinking at 70-100 degrees C for 3-5 hours, extruding, granulating at 150-200 degrees C, cooling, and cutting.