Effects of interaction between filler and resin on the glass transition and dielectric properties of epoxy resin nanocomposites

Keigo Mori, Naoshi Hirai, Yoshimichi Ohki*, Yasutomo Otake, Takahiro Umemoto, Hirotaka Muto

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

12 Citations (Scopus)

Abstract

Polymer nanocomposites are known to exhibit superior insulation performance. As a reason for this, interactions at the filler/polymer interfaces are widely believed. To obtain information on this, the glass transition temperature (Tg), complex permittivity (ε*), and conductivity (σ) were measured in various epoxy resin nanocomposites. As a result, all the parameters (Tg, ε*, and σ) decrease when the filler is MgO, whereas Tg decreases and ε* and σ increase when the filler is TiO2. This fact clearly indicates that the filler exerts significant influences on various properties such as molecular motions in the host epoxy resin, and that these influences differ profoundly depending on the filler material.

Original languageEnglish
Pages (from-to)92-96
Number of pages5
JournalIET Nanodielectrics
Volume2
Issue number3
DOIs
Publication statusPublished - 2019

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics
  • Electrical and Electronic Engineering
  • Materials Chemistry

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