▎ 摘　　要

NOVELTY - Preparing electromagnetic shielding composite material involves impregnating graphene microchips with polyurethane, melting and loading on polylactide, filling with PBAT through vacuum infiltration to obtain electromagnetic shielding composite, where the content of the graphene flakes is 12-15 wt.%, the polyurethane content is 5-8 wt.% and the PBAT content is 8-10 wt.%. USE - Method for preparing electromagnetic shielding composite material. ADVANTAGE - The method enables to prepare electromagnetic shielding composite material improves the mechanical performance of the electromagnetic shielding composite material and resistance stability of the material, in simple manner.