Crystalline polymorphism in poly(vinylidenefluoride) membranes
- Authors
- Cui, Zhaoliang; Hassankiadeh, Naser Tavajohi; Zhuang, Yongbing; Drioli, Enrico; Lee, Young Moo
- Issue Date
- Dec-2015
- Publisher
- PERGAMON-ELSEVIER SCIENCE LTD
- Keywords
- PVDF; Polymorphism; Membranes; Crystallization
- Citation
- PROGRESS IN POLYMER SCIENCE, v.51, pp.94 - 126
- Indexed
- SCIE
SCOPUS
- Journal Title
- PROGRESS IN POLYMER SCIENCE
- Volume
- 51
- Start Page
- 94
- End Page
- 126
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/133948
- DOI
- 10.1016/j.progpolymsci.2015.07.007
- ISSN
- 0079-6700
- Abstract
- PVDF is widely employed in membrane processes. Its crystals have five different polymorphs, alpha, beta, gamma, delta, and epsilon 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.
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