▎ 摘　　要

NOVELTY - Preparing graphene polysulfone ultrafiltration membrane comprises (i) preparing graphene powder, (ii) dissolving graphene powder in organic solvent, stirring uniformly to obtain graphene mixed liquid, (iii) adding polysulfone, polyvinylidene fluoride and polyvinyl pyrrolidone into stirring kettle, heating and insulating, (iv) orderly adding first additive and first auxiliary agent into reaction kettle, (v) orderly adding second additive and second auxiliary agent into reaction kettle, and stirring, (vi) pouring graphene mixed solution obtained in step (ii) into the reaction kettle, preparing to obtain primary casting solution, (vii) vacuum defoaming primary casting film liquid, preparing to obtain graphene polysulfone one casting film liquid, (viii) opening air compressor, turning on power supply, removing the redundant solvent through the solvent groove, stretching and shaping by the spinning roller. USE - The method is useful for preparing graphene polysulfone ultra-filtration membrane. ADVANTAGE - The method enables to prepare graphene polysulfone ultrafiltration membrane, which has improved antibacterial performance, mechanical performance strength and tensile compression resistance. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for a graphene polysulfone ultrafiltration membrane prepared by the above mentioned method.