▎ 摘　　要

NOVELTY - Additive comprises polymethyl methacrylate coated silver-loaded graphene oxide. USE - Used as additive. ADVANTAGE - The additive: has excellent mechanical properties and excellent comprehensive antibacterial properties; and overcomes the poor dispersibility of traditional antibacterial agents. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for a polypropylene complex material for hydroponic tank comprising substrate of polypropylene and filler of above mentioned additive