Effect of Polyvinylidene Fluoride Membrane Production Conditions on Its Structure and Performance Characteristics.

ABSTRACT: Poly (vinylidene fluoride) membranes were prepared by freeze-casting. The effects of PVDF concentration, and freezing temperature on the morphology, crystallization, and performance of prepared membranes were examined. Polymer concentration was varied from 10 to 25 wt%. The freezing temperature was varied from -5 to -25 °C. Dimethyl sulfoxide (DMSO) and distilled water were used as solvents and non-solvents, respectively. The first step of this study was devoted to estimating the optimal concentration of PVDF solution in DMSO. Membranes prepared at different ratios were characterized using physical and mechanical characteristics and porosity. The second step was to optimize the time required for the production of the membranes. In the third step, it was shown that the freezing temperature

SUBMITTER: Fomin S 

PROVIDER: S-EPMC9736028 | biostudies-literature | 2022 Dec

REPOSITORIES: biostudies-literature