▎ 摘　　要

NOVELTY - A sound insulation material has a honeycomb structure containing 0.5-20 %mass modified graphene having a size of 0.3-50 microns and polymer material. The honeycomb structure is composed of structural repeating units including regular hexagon, square and cylinder. USE - Sound insulation material. ADVANTAGE - The sound insulation material has improved noise isolation effect. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of the sound insulation material.