▎ 摘　　要

NOVELTY - A graphene oxide-ion liquid blending membrane preparing method involves preparing graphene oxide-ion liquid nanoparticles, and blending graphene oxide-ion liquid nanoparticles in a polyvinylidene fluoride solution, and using immersion precipitated phase conversion method to obtain the finished product. USE - Method for preparing graphene oxide-ion liquid blending membrane. ADVANTAGE - The method enables preparing graphene oxide-ion liquid blending membrane with better hydrophilicity, low equipment requirements, and improved dye adsorption performance and membrane permeability, and in simple, easy, and environmentally friendly manner. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for a graphene oxide-ion liquid blend film prepared by the method.