Use of eugenol and rosin as feedstocks for biobased epoxy resins and study of curing and performance properties

Jianglei Qin, Hongzhi Liu, Pei Zhang, Michael Wolcott, Jinwen Zhang

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144 Scopus citations


In this study, an epoxy based on eugenol and an anhydride curing agent based on rosin were prepared. Curing of the eugenol epoxy with a commercial anhydride curing agent and with the rosin-derived anhydride curing agent was studied. For comparison, a commercial bisphenol A type epoxy, DER353, was also selected in the curing study. The syntheses of the eugenol epoxy and rosin anhydride were investigated and the chemical structures of the products and intermediates were characterized using 1H NMR and Fourier transform infrared spectroscopies. Non-isothermal curing of the eugenol epoxy with hexahydrophthalic anhydride and the rosin-derived maleopimaric acid was studied using differential scanning calorimetry. Thermomechanical properties and thermal stability of the cured epoxy resins were evaluated using dynamic mechanical analysis and thermogravimetric analysis, respectively. Addition of 2-ethyl-4-methylimidazole as catalyst greatly decreased the curing temperature and promoted the completion of cure reactions. The results suggest that the eugenol epoxy and the bisphenol A type epoxy have similar reactivity, dynamic mechanical properties and thermal stability.

Original languageEnglish (US)
Pages (from-to)760-765
Number of pages6
JournalPolymer International
Issue number4
StatePublished - Apr 2014

All Science Journal Classification (ASJC) codes

  • Polymers and Plastics
  • Organic Chemistry
  • Materials Chemistry


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