NDLI: Influence of cellulose/[Bmim]Cl solution on the properties of fabricated NIPS PVDF membranes

Content Provider	Springer Nature Link
Author	Ma, Bomou Yang, Jing Sun, Qisong Jakpa, Wizi Hou, Xiuliang Yang, Yiqi
Copyright Year	2017
Abstract	In this study, composite membranes were prepared from mixed solution of polyvinylidene fluoride (PVDF) and cellulose via the non-solvent-induced phase separation (NIPS) method. N, N-dimethylacetamide (DMAc) and 1-butyl-3-methylimidazolium chloride ([Bmim]Cl) were used as the solvent for PVDF and cellulose, respectively. SEM and in situ scanning techniques were used to investigate the morphology of the prepared membranes. The results showed that viscose cellulose/[Bmim]Cl solution acted as a porogenic agent during the membrane preparation process. Hydrophilicity of the composites was evaluated by water contact angle, moisture regain and equilibrium water uptake, which demonstrated that the wettability of the membranes was associated with the hydrophilic group and the roughness of the surface. Most importantly, the α → β transformation in PVDF matrix was demonstrated from the results of WAXD, FT-IR and DSC. The quantitative analysis indicated that the β-phase content in PVDF reached 90.1% when cellulose content was 5%, which is higher than many published references and was ascribed to the cooperation of cellulose and ionic liquid. Besides, the crystallinity, thermal stability and mechanical properties of the composite membranes were studied as well.
Starting Page	9946
Ending Page	9957
Page Count	12
File Format	PDF
ISSN	00222461
Journal	Journal of Materials Science
Volume Number	52
Issue Number	16
e-ISSN	15734803
Language	English
Publisher	Springer US
Publisher Date	2017-05-04
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Materials Science Characterization and Evaluation of Materials Polymer Sciences Continuum Mechanics and Mechanics of Materials Crystallography and Scattering Methods Classical Mechanics
Content Type	Text
Resource Type	Article
Subject	Ceramics and Composites Mechanics of Materials Mechanical Engineering Polymers and Plastics

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