▎ 摘 要
NOVELTY - A composite material comprises graphene oxide and gypsum. The amount of graphene oxide and gypsum is 0.06-0.12 %mass. USE - Composite material used in medical field and for biological materials. ADVANTAGE - The composite material is efficiently prepared with improved bending strength, compressive strength and mechanical property. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of composite material.