▎ 摘　　要

NOVELTY - Degradable plastic film comprises 100-200 pts. wt. polylactic acid, 10-15 pts. wt. metal-organic framework material and 20-80 pts. wt. thermoplastic starch. In the metal-organic framework material, the metal element is a single atom state combined with the organic framework. USE - Used as degradable plastic film. ADVANTAGE - The product has good mechanical properties, long-term storage and effectively maintains the mechanical properties. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for preparing the plastic film, comprising heating and blending polylactic acid and thermoplastic starch, add the metal-organic frame material, heating and blending, and extruding and granulating to obtain the matrix plastic.