▎ 摘　　要

NOVELTY - A modified polyvinylidene fluoride super-hydrophobic material is prepared by dissolving polyvinylidene fluoride in dimethylformamide to obtain polyvinylidene fluoride solution, adding graphene or graphene oxide in resulting polyvinylidene fluoride solution, to obtain a mixture, making resulting mixture to contact with the mass transfer of methanol, under confined conditions to obtain gel, placing the resulting gel in water to remove dimethyl formamide gel, and to prepare semi-finished products, and freeze-drying the resulting semi-finished products. USE - Modified polyvinylidene fluoride super-hydrophobic material (claimed). ADVANTAGE - The modified polyvinylidene fluoride super-hydrophobic material is obtained with excellent oil absorption and efficient oil-water separation properties. DETAILED DESCRIPTION - A modified polyvinylidene fluoride super-hydrophobic material is prepared by dissolving polyvinylidene fluoride in dimethylformamide to obtain polyvinylidene fluoride solution, adding graphene or graphene oxide in resulting polyvinylidene fluoride solution, to obtain a mixture, making resulting mixture to contact with the mass transfer of methanol, under confined conditions to obtain gel, placing the resulting gel in water to remove dimethyl formamide gel, and to prepare semi-finished products, and freeze-drying the resulting semi-finished products. The mass ratio of graphene oxide or graphene and polyvinylidene fluoride solution is 1-5:100. An INDEPENDENT CLAIM is included for preparation of modified polyvinylidene fluoride super-hydrophobic material.