Crystalline polymorphism in poly(vinylidenefluoride) membranes
By Z. Cui, Naser Tavajohi Hassankiadeh, Yongbing Zhuang, Enrico Drioli, Y. Lee. 2015
413 citations recorded by the source corpus.
Abstract PVDF is widely employed in membrane processes. Its crystals have five different polymorphs, α, β, γ, δ, and ɛ forms. In the past decades, research has been focused on the properties and performances of PVDF membranes. However, the formation mechanisms of the various polymorphs and their different effects on membrane performance are still not clear. Therefore, overall clarification of, conclusions about, and outlook on the effects of PVDF polymorphism on membrane properties and performance are important topics for further research. This manuscript systematically summarizes the structures and properties of PVDF crystals with different polymorphs, discusses the mechanisms of formation and transformation methods, reviews the crystallization and applications of different PVDF polymorphs in membrane separation, and presents the outlook for applications in membrane operations.
Subfields: Biomedical Engineering, Water Science and Technology
View Paper: https://www.semanticscholar.org/paper/ad828a8dd75f2b99f2743650c716f79020e04dc5
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In Biomedical Engineering
In Water Science and Technology
Citations in the corpus
- Water desalination using graphene-enhanced electrospun nanofiber membrane via air gap membrane distillation (2016, methodology): “Several polymers have been electrospun including polyvinylidene fluoride (PVDF), polyvinylidene fluorideco-hexafluoropropylene (PVDF-co-HFP), and polystyrene (PS) [14, 16-19].”
- Understanding the non-solvent induced phase separation (NIPS) effect during the fabrication of microporous PVDF membranes via thermally induced phase separation (TIPS) (2016, background): “Among the available polymeric membranes, poly (vinylidene fluoride) (PVDF) provides outstanding performances based on its excellent inherent properties such as high thermal stability, great chemical resistance, and good processability [1].”