Effect of reactive layered double hydroxides on the thermal and mechanical properties of LDHs/epoxy nanocomposites

Chun Hao Tseng, Huai Bin Hsueh, Chuh Yung Chen

Research output: Contribution to journalArticlepeer-review

72 Citations (Scopus)


LDHs particles, including LDH-amino benzoate (LDHs-AB) and LDH-carbonate (LDHs-CB) particles, were prepared with coprecipitation method. After the intercalation of the amino benzoate, LDHs-AB particles have reactive and hydrophobic properties. In the preparation of the LDHs-AB/epoxy nanocomposites, the pre-intercalation of the EPON 828 resin into the LDHs-AB interlayer galleries prior to the addition of DDM curing agent was performed. Subsequently, after the addition of the DDM monomers, cross-linking polymerization was performed in the LDHs-AB intragalleries. It expands the interlayer space and well separates these nanolayers from one another to achieve the exfoliated nanocomposites. In addition, the strong chemical bondings formed from the reaction of the reactive LDHs-AB nanolayers and epoxy molecules lead to excellent compatible nanocomposites. Accordingly, exfoliated and compatible LDHs-AB/epoxy nanocomposites exhibit outstanding performance in thermal and mechanical properties compared to the pristine epoxy resin. On the contrary, LDHs-CB/epoxy nanocomposites exhibit a little enhancement on their properties because of the stacked lamellar LDHs-CB particles and weak compatibility in the epoxy nanocomposites.

Original languageEnglish
Pages (from-to)2350-2362
Number of pages13
JournalComposites Science and Technology
Issue number11-12
Publication statusPublished - 2007 Sep

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Engineering(all)


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