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Article

Surface-Modified Nanofibrous PVDF Membranes for Liquid Separation Technology

by
Evren Boyraz
1,
Fatma Yalcinkaya
1,2,*,
Jakub Hruza
1,2 and
Jiri Maryska
1,2
1
Center for nanomaterials, Advanced Technology and Innovation, Department of Nanomaterials and Informatics, Technical University of Liberec, Studentska 1402/2, 46117, Czech Republic
2
Faculty of Mechatronics, Institute for New Technologies and Applied Informatics, Technical University of Liberec, Studentska 1402/2, 46117 Liberec, Czech Republic
*
Author to whom correspondence should be addressed.
Materials 2019, 12(17), 2702; https://doi.org/10.3390/ma12172702
Submission received: 1 August 2019 / Revised: 22 August 2019 / Accepted: 22 August 2019 / Published: 23 August 2019
(This article belongs to the Special Issue Electrospinning: Nanofabrication and Application)
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Abstract

Preparing easily scaled up, cost-effective, and recyclable membranes for separation technology is challenging. In the present study, a unique and new type of modified polyvinylidene fluoride (PVDF) nanofibrous membrane was prepared for the separation of oil–water emulsions. Surface modification was done in two steps. In the first step, dehydrofluorination of PVDF membranes was done using an alkaline solution. After the first step, oil removal and permeability of the membranes were dramatically improved. In the second step, TiO2 nanoparticles were grafted onto the surface of the membranes. After adding TiO2 nanoparticles, membranes exhibited outstanding anti-fouling and self-cleaning performance. The as-prepared membranes can be of great use in new green separation technology and have great potential to deal with the separation of oil–water emulsions in the near future.
Keywords: PVDF; membrane; surface modification; filtration; nanofiber; electrospinning PVDF; membrane; surface modification; filtration; nanofiber; electrospinning
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MDPI and ACS Style

Boyraz, E.; Yalcinkaya, F.; Hruza, J.; Maryska, J. Surface-Modified Nanofibrous PVDF Membranes for Liquid Separation Technology. Materials 2019, 12, 2702. https://doi.org/10.3390/ma12172702

AMA Style

Boyraz E, Yalcinkaya F, Hruza J, Maryska J. Surface-Modified Nanofibrous PVDF Membranes for Liquid Separation Technology. Materials. 2019; 12(17):2702. https://doi.org/10.3390/ma12172702

Chicago/Turabian Style

Boyraz, Evren, Fatma Yalcinkaya, Jakub Hruza, and Jiri Maryska. 2019. "Surface-Modified Nanofibrous PVDF Membranes for Liquid Separation Technology" Materials 12, no. 17: 2702. https://doi.org/10.3390/ma12172702

APA Style

Boyraz, E., Yalcinkaya, F., Hruza, J., & Maryska, J. (2019). Surface-Modified Nanofibrous PVDF Membranes for Liquid Separation Technology. Materials, 12(17), 2702. https://doi.org/10.3390/ma12172702

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