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Effect of carbon black on electrical and rheological properties of graphite nanoplatelets/poly(ethylene-butyl acrylate) composites
RISE, Swerea, Swerea IVF.
Chalmers University of Technology.
Borealis AB.
Chalmers University of Technology.
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2015 (English)In: eXPRESS Polymer Letters, ISSN 1788-618X, E-ISSN 1788-618X, Vol. 9, no 1, 66-76 p.Article in journal (Refereed)
Abstract [en]

The effect of adding carbon black on the electrical and rheological properties of graphite nanoplatelets/poly(ethylene- butyl acrylate) copolymer composites produced via melt or solution mixing was studied. By adding a small amount of low- or high-structured carbon black to the nanocomposite, the electrical percolation threshold decreased and the final conductivity (at higher filler contents) increased. The effect on the percolation threshold was significantly stronger in case of the high-structured carbon black where replacing 10 wt% of the total filler content with carbon black instead of graphite nanoplatelets reduced the electrical percolation threshold from 6.9 to 4.6 vol%. Finally, the solution mixing process was found to be more efficient leading to a lower percolation threshold. For the composites containing high-structured carbon black, graphite nanoplatelets and their hybrids there was a quite reasonable correlation between the electrical and rheological percolation thresholds. © BME-PT.

Place, publisher, year, edition, pages
BME-PT and GTE , 2015. Vol. 9, no 1, 66-76 p.
Keyword [en]
Electrical properties, Hybrid composites, Melt mixing, Nanocomposites, Rheology
National Category
Materials Engineering
Identifiers
URN: urn:nbn:se:ri:diva-13307DOI: 10.3144/expresspolymlett.2015.7Scopus ID: 2-s2.0-84908336625OAI: oai:DiVA.org:ri-13307DiVA: diva2:973513
Available from: 2016-09-22 Created: 2016-09-22Bibliographically approved

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