Influence of stoichiometry on physical properties of clay epoxy nanocomposites

I. Rhoney, R.A. Pethrick

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)


The reinforcement of epoxy resins by the dispersion of exfoliated clay platelets is discussed. The extent and nature of the reinforcement is dependent on the nature of the interaction of the resin with the clay surface. It is shown that varying the ratio of epoxy to hardener, as well as the chemical structure both of the epoxy resin and the hardener have a significant effect on whether or not reinforcement is observed. The creation of intercalated structures at high clay loadings does not significantly influence the extent of enhancement in those cases where there is a strong connectivity between the resin and the clay. However, in some cases the chemical structure of the resin appears to inhibit significant transfer of stress between the resin and the clay and virtually no enhancement in the physical Properties is observed.
Original languageEnglish
Pages (from-to)520-534
Number of pages14
JournalJournal of the Balkan Tribological Association
Issue number4
Publication statusPublished - 2008


  • clay epoxy nanocomposites
  • montmorillite clay
  • Cloisite


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