▎ 摘　　要

NOVELTY - A Yellowing-resistant and antibacterial polyolefin material, comprises 100 pts. wt. polyolefin resin, 0.1-1 pt. wt. antibacterial agent and 0.1-1 pt. wt. antioxidant. The antibacterial agent is a modified graphene-supported silver composite antibacterial agent. USE - Yellowing-resistant and antibacterial polyolefin material of water tank for hydroponic culture (claimed). ADVANTAGE - The polyolefin material has excellent dispersibility, excellent comprehensive antibacterial performance, and no yellowing of polymer products. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of anti-yellowing antibacterial polyolefin material, which involves adding the above-mentioned raw materials, placing in a high-speed mixer, mixing for 5-10 minutes, melting and extruding by a twin-screw extruder and cooling to pelletize.