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. 2018 Mar 5;8(1):13. doi: 10.3390/membranes8010013

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© 2018 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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FESEM images of blended PVDF membranes films. Components of the dope solution: 15 wt % Solef^® 6020 PVDF homopolymer, 10 wt % Solef 90^® 21015 PVDF copolymer, 75% wt mixture of solvents, Percentage of solvents in dope solution: PR-07: THF-DMF (40–35%), PR-08: NPM-THF (40–35%), PR-9: NPM-THE-DMF (25–25–25%), PR-10: NPM-DMF (40–35%).

FESEM images of blended PVDF membranes films. Components of the dope solution: 15 wt % Solef^® 6020 PVDF homopolymer, 10 wt % Solef 90^® 21015 PVDF copolymer, 75% wt mixture of solvents, Percentage of solvents in dope solution: PR-07: THF-DMF (40–35%), PR-08: NPM-THF (40–35%), PR-9: NPM-THE-DMF (25–25–25%), PR-10: NPM-DMF (40–35%).