The hydrophilic modification of polypropylene non-woven fabric (NWF) surface was conducted by coating PVA (poly vinyl alcohol) film on the NWF surface via dip-coating method.

• 采用表面涂覆法,将聚乙烯醇(PVA)薄膜固定在聚丙烯无纺布表面,进行表面亲水改性。