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. 2020 Mar 23;12(3):713. doi: 10.3390/polym12030713

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© 2020 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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(a) The cross-section of a MWCNT film (above) and supporting TPU filtering membrane (underneath). (b) MWCNT composite cross-section after the melt welding.