▎ 摘　　要

NOVELTY - High foaming sound insulating material comprises 50-80 pts. wt. ethylene-vinyl acetate, 20-50 pts. wt. ethylene propylene diene monomer, 2-20 pts. wt. foaming agent, 5-10 pts. wt. fumed silica, 0.5-5 pts. wt. foaming agent accelerator, 5-10 pts. wt. filler, 5-10 pts. wt. functionalized graphene and 0.1-0.5 pt. wt. crosslinking agent. USE - High foaming sound insulating material for vehicle (claimed). ADVANTAGE - The product has very good solubility and effective energy dissipation; and effectively reduce the noise pollution in the car. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of high foaming sound insulating material comprising mixing ethylene-vinyl acetate, ethylene propylene diene monomer, fumed silica, filler, functionalized graphene and plasticizer for 10 minutes, kneading at 85 degrees C with rotational speed of 30 revolutions/minute, adding foaming agent, foaming agent accelerator and crosslinking agent, mixing for 10 minutes and kneading at 85 degrees C with speed 30 revolutions/minute.