▎ 摘　　要

NOVELTY - A paper comprises main body layer coated with graphene and nanosilicon dioxide-containing polyurethane coating. USE - Paper. ADVANTAGE - The paper has simple preparing technique, high barrier property, good antistatic property, easy industrialization and no environment pollution. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of paper comprising uniformly dispersing aqueous polyurethane resin with water to form polyurethane solution, adding nanosilicon dioxide, stirring, adding graphene, stirring, forming coating solution, blowing off surface pollutant on main body layer with dust blower, drying under preset condition, uniformly coating with coating solution, drying under second preset condition, and placing under third preset condition.