Influence of hyperbranched polyamine-ester modified carbon nanotubes on properties of epoxy nanocomposites

Ya Ping Zheng, Jiao Xia Zhang, Pei Ying Yu, Li Li Liu, Yuan Gao

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

Surface modification of the acidified multi-walled carbon nanotubes (MWNTs) was conducted by hyperbranched polyamine-ester (HBP). The sample was characterized with the Raman spectra, X-ray diffraction, and transmission electron microscopy. Nanocomposites with MWNTs/epoxy matrix were prepared by compounding the modified MWNTs and epoxy resin. As a result, the MWNTs-capped organic molecules formed core/shell structure. The grafted organic molecules solve the dispersion of the MWNTs in the epoxy resin-based nanocomposites and then enhancing the antifriction and dielectric property of such nanocomposites.

Original languageEnglish
Pages (from-to)2771-2783
Number of pages13
JournalJournal of Composite Materials
Volume43
Issue number23
DOIs
StatePublished - Nov 2009

Keywords

  • Carbon nanotubes
  • Hyperbranched polyamine-ester
  • Nanocomposites
  • Surface modification

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