By studying the influences of co-solvents on the film forming properties of PLA/PVA blend membranes, dimethylsulfoxide (DMSO) was chosen as the better co-solvent.

• 通过考察不同的共溶剂对共混膜成膜性能的影响，确定二甲基亚砜(DMSO)是制备PLA/PVA共混膜优良的共溶剂。