▎ 摘　　要

NOVELTY - Preparation of antimicrobial air purification membrane involves dissolving polymers (A) and (B) in organic solvent, obtaining polymer (A) and polymer (B) spinning solution, adding graphene oxide to the obtained spinning solution, obtaining stable uniform polymer (A)-graphene oxide spinning solution and polymer (B)-graphene oxide spinning solution, adding the resultant spinning solutions into a spinning syringe, placing in a spinning device, electrospinning side by side, simultaneously moving the needle back and forth, and obtaining air purification membrane. USE - Preparation of antimicrobial air purification membrane (claimed). ADVANTAGE - The method enables preparation of antimicrobial air purification membrane having excellent filtration efficiency and inhibitory rate of 90%. DETAILED DESCRIPTION - Preparation of antimicrobial air purification membrane involves selecting polymer (A) obtained by electrospinning of crude fiber having diameter of 60-150 nm, and polymer (B) obtained by electrospinning of fine fiber having diameter of 50-350 nm, dissolving the polymers (A) and (B) in organic solvent, obtaining polymer (A) and polymer (B) spinning solution, adding graphene oxide to the obtained spinning solution, obtaining stable uniform polymer (A)-graphene oxide spinning solution and polymer (B)-graphene oxide spinning solution, adding the resultant spinning solutions into a spinning syringe, placing in a spinning device, electrospinning side by side, simultaneously moving the needle back and forth, and obtaining air purification membrane having thickness of 5-200 mu m. The mass ratio of polymer (A) and polymer (B) is 0.5:1-20:1. The mass ratio of polymer (A) and graphene oxide is 10:1-1000:1. The mass ratio of polymer (B) and graphene oxide is 50:1-700:1.