▎ 摘　　要

NOVELTY - Polymer material antibacterial plastic bubble bag comprises 5-30 pts. wt. polylactic acid, 70-95 pts. wt. polyadipate-butylene terephthalate, 8-12 pts. wt. plasticizer, 2-4 pts. wt. compatibilizer, 0.5-3 pts. wt. chain extender, 0.1-2 pts. wt. slippery agent, and 0.2-0.7 pts. wt. antibacterial nucleating agent including 0.7-1 pts. wt. pomegranate peel powder, 5-10 pts. wt. modified starch, 0.3-0.5 pts. wt. nanocrystalline cellulose, 1-3 pts. wt. nano silicon dioxide, and 0.5-1.5 pts. wt. poly(methyl methacrylate) nanofibers. USE - The bag is useful for electronic, meter, ceramic, handicraft article, household appliance, and shock-resistant buffer of glass photo. ADVANTAGE - The bag has strong antibacterial property, environmentally friendly and degradable, excellent barrier property and good mechanical property. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for preparing the bag, comprising drying polylactic acid and polybutylene adipate-terephthalate at 60-90℃ for 2-4 hours, mixing evenly with plasticizer, antibacterial nucleating agent, compatibilizer, chain extender, smooth agent, extrusion granulating to obtain pellets, extrusion casting of pellets to make bubble film, cutting the air bubble film and bagging.