The incorporation of single-walled carbon nanotubes into polymerized high internal phase emulsions to create conductive foams with a low percolation threshold

M.C. Hermant, M. Verhulst, A.V Kyrylyuk, B. Klumperman, C.E. Koning

Research output: Contribution to journalArticleAcademicpeer-review

64 Citations (Scopus)

Abstract

New methods for the incorporation of single-walled carbon nanotubes (SWCNTs) into styrene-divinylbenzene-based high internal phase emulsions (HIPEs) are addressed with specific attention to minimizing the SWCNT loading while maintaining a high level of conductivity of the final polyHIPE-SWCNT composites. Stable HIPEs were achieved using sodium dodecyl sulfate-stabilized SWCNTs, thus eliminating the necessity of SWCNT functionalization. PolyHIPE-SWCNT composites were made with water: oil ratios (vol/vol) of 75:25 and of 84:16. The percolation threshold was determined to be 0.2 and 0.1 wt%, respectively. These threshold values are lower than that obtained for non-porous, polystyrene-SWCNT composites made by means of a latex-based route followed by melt-processing. © 2009 Elsevier Ltd. All rights reserved
Original languageEnglish
Pages (from-to)656-662
JournalComposites Science and Technology
Volume69
Issue number5
DOIs
Publication statusPublished - 2009

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