▎ 摘　　要

NOVELTY - Electrostrictive composite material comprises 50-60 wt.% polyether thermoplastic poly- urethane particle, 5-10 wt.% carbon nanotube, 10-20 wt.% biomass graphene, 10-20 wt.% nano-barium titanate, 1-5 wt.% nano silver particle and 5-15 wt.% glass fiber. USE - The material is useful in field of functional materials (claimed). DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for preparing electrostrictive composite material comprising drying each raw material component, mixing, and extruding to obtain product.