The present invention discloses a transparent toughened polylactic acid composite material, a preparation method and application thereof, belonging to the field of biodegradable material modification. A transparent toughened polylactic acid composite material comprises the following components: polylactic acid resin (PLA), toughening agent A, toughening agent B, compatibilizer, plasticizer and processing aid. A preparation method of the transparent toughened polylactic acid composite material comprises the following steps: Step S1: weighing raw materials according to the component ratio, adding into a high-speed mixer and mixing at high speed to obtain a mixture; Step S2: adding the mixture into a hopper of a twin-screw extruder, and performing melting, plasticization, mixing, extrusion, water cooling, strand drawing, pelletization and drying on the raw materials through the twin-screw extruder to obtain the transparent toughened polylactic acid composite material. The transparent toughened polylactic acid composite material prepared by the present invention has good transparency and mechanical properties.
Country Code: CN
Application Number: CN202410206449.7
