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Elaboration and Characterization of Conductive Polymer Nanocomposites with Potential Use as Electrically Driven Membranes

1
POLYMAT and Polymer Science and Technology Department, Faculty of Chemistry, University of the Basque Country UPV/EHU, 20018 San Sebastian, Spain
2
IKERBASQUE, Basque Foundation for Science, 48013 Bilbao, Spain
*
Author to whom correspondence should be addressed.
These authors contributed equally to this work. This work is dedicated to the memory of Professor Jose Ignacio Eguiazabal Director of the Polymer Science and Technology Department (UPV/EHU)
Polymers 2019, 11(7), 1180; https://doi.org/10.3390/polym11071180
Received: 10 June 2019 / Revised: 9 July 2019 / Accepted: 11 July 2019 / Published: 13 July 2019
(This article belongs to the Special Issue Polymeric Thin Films and Membranes)
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Abstract

In this work, a general, facile, and relatively low-cost method to produce electrically driven non-porous membranes by revalorization of recycled polyolefins is proposed. The polymer matrices are poly(propylene) (PP) and poly(ethylene) (PE) and their corresponding recycled samples, which are respectively mixed with carbon nanotubes (CNT). The performances of the elaborated nanocomposites are studied by morphological, rheological, and electrical conductivity tests. The Joule heating effect is evaluated by applying an electric field and recording the corresponding temperature rise. An increase of 90 °C is obtained in certain cases, which represents the highest temperature enhancement reached so far by the Joule effect in thermoplastics, to our knowledge. The work shows a route to develop stimulus (voltage)-response (temperature) materials with low cost and with potential applications in many fields. As an example, the increase of the permeability with temperature of membranes made of the indicated nanocomposites, is analyzed. View Full-Text
Keywords: nanocomposites; recycling; stimuli responsive; Joule effect; permeability nanocomposites; recycling; stimuli responsive; Joule effect; permeability
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Sangroniz, L.; Sangroniz, A.; Fernández, M.; Etxeberria, A.; Müller, A.J.; Santamaria, A. Elaboration and Characterization of Conductive Polymer Nanocomposites with Potential Use as Electrically Driven Membranes. Polymers 2019, 11, 1180.

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