Preparation method of antibacterial polypropylene non-woven fabric

The invention belongs to the technical field of non-woven fabrics, and particularly relates to an antibacterial polypropylene non-woven fabric preparation method, which comprises: 1, soaking a polypropylene non-woven fabric material in an acetone solution, and carrying out ultrasonic cleaning; step 2, dissolving spironolactone and benzophenone in an absolute ethyl alcohol solution, and immersing a polypropylene non-woven fabric in the solution; step 3, spreading the polypropylene non-woven fabric, dropwise adding a beta-acryloyloxypropionic acid aqueous solution, carrying out ultraviolet light room-temperature irradiation, soaking in an acetone solution, and carrying out ultrasonic washing; step 4, immersing the polypropylene non-woven fabric into a polyhexamethylene guanidine hydrochloride aqueous solution; polyhexamethylene guanidine hydrochloride is adopted as an antibacterial agent, various microorganisms can be efficiently killed and inhibited in a broad-spectrum mode, the problem that the structural per