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Title: The capability of graphene on improving the electrical conductivity and anti-corrosion properties of Polyurethane coatings
Authors: Tong, Yao
Bohm, Siva
Song, Mo
Keywords: Graphene
PU coating
Electrical conductivity
Issue Date: 2017
Publisher: © Elsevier
Citation: TONG, Y., BOHM, S. and SONG, M., 2017. The capability of graphene on improving the electrical conductivity and anti-corrosion properties of Polyurethane coatings. Applied Surface Science, 424, pt.1. pp.72-81.
Abstract: Graphite and graphene particles were used to reinforce the electrical conductivity and anti-corrosion properties of polyurethane (PU) coatings. The effect of graphite and graphene were compared. Hybrid filler using carbon nanotube was adopted as well and the performance in electrical conductivity was much superior to single filler system. At the same filler loading, the electrical conductivity of hybrid filler system was significantly higher than single filler system (0.77 S/m at 5 wt% while single filler system was not conductive). The conductive mechanism was revealed. In terms of anti-corrosion properties, the coatings with low filler loading had better anti-corrosion properties. The resistance values obtained from EIS (Electrochemical Impedance Spectroscopy) and four point probe method were compared and discussed.
Description: This paper was accepted for publication in the journal Applied Surface Science and the definitive published version is available at http://dx.doi.org/10.1016/j.apsusc.2017.02.081
Sponsor: We thank TATA Steel and the PhD scholarship of Loughborough University for providing the funding for this work.
Version: Accepted for publication
DOI: 10.1016/j.apsusc.2017.02.081
URI: https://dspace.lboro.ac.uk/2134/24393
Publisher Link: http://dx.doi.org/10.1016/j.apsusc.2017.02.081
ISSN: 0169-4332
Appears in Collections:Published Articles (Materials)

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