Cure chemo-rheology of mixtures based on epoxy resins and ester cyanates

  • M. D. Martin
  • , M. Ormaetxea
  • , I. Harismendy
  • , P. M. Remiro
  • , I. Mondragon*
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

42 Citations (Scopus)

Abstract

Tetrafunctional epoxy and ester cyanate resins were cured together at several temperatures. Mixtures were investigated at different stoichiometric ratios. FTIR investigation of these systems through curing allowed us to analyze the reaction pathway of these reactive systems. Isothermal measurements performed by FTIR spectroscopy indicated that the curing reactions were dependent on the stoichiometric ratio of the mixtures. Differential scanning calorimetry (DSC) showed the dilution effect of the epoxy resin in the cyclotrimerization of the catalyzed cyanate ester resin and also the existence of several reactions during polymerization of the mixtures. Rheological characterization of the curing process indicated an evident delay of the vitrification time as epoxy content in the mixtures increased.

Original languageEnglish
Pages (from-to)57-68
Number of pages12
JournalEuropean Polymer Journal
Volume35
Issue number1
DOIs
Publication statusPublished - 1999
Externally publishedYes

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