▎ 摘　　要

NOVELTY - Antibacterial and antiviral plastic film comprises 90-120 pts. wt. plastic resin, 1-6 pts. wt. graphene oxide, 1-5 pts. wt. antibacterial agent, 10-30 pts. wt. high molecular polymer and 1-10 pts. wt. plastic additives, where the antibacterial agent comprises 2-5 pts. wt. modified chitosan, 10-20 pts. wt. nano-titanium dioxide, 4-7 pts. wt. nano-zinc oxide, and 0.1-0.3 pt. wt. hexadecyltrimethylsilver ammonium bromide. USE - The antibacterial and antiviral plastic film is used for food, and medical product packaging (claimed) in food and medical industry, preferably food, medicine, medical product, and food packaging material. ADVANTAGE - The antibacterial and antiviral plastic film has excellent durability, and reduces the food packaging, medical product packaging causes the possibility of bacteria and virus pollution caused by contact, which is good for health of people. The method has simple steps, convenient operation, without complex process or large device, saves labor cost, improves production efficiency, and is suitable for industrial production. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a method for preparing the antibacterial and antiviral plastic film, which involves (i) taking the plastic resin, graphene oxide, antibacterial agent, high molecular polymer and plastic additive, and stirring and mixing to obtain a mixed material, and (ii) collecting the mixed material obtained in step (i) and placing in a twin-screw extruder, collecting the extruded material and blowing or casting a film to obtain the antibacterial and antiviral plastic film