Processing–morphology–property relationships in epoxy resins

Jovan Mijović, John G. Williams, Thomas M. Donnellan

Research output: Contribution to journalArticle

12 Scopus citations

Abstract

An investigation was conducted into processing–morphology–property relationships of a series of epoxy resin formulations. Diglycidyl ether of bisphenol A (DGEBA) epoxy resin was cured with diethylene triamine (DETA) and 2,5‐dimethyl 2,5‐hexane diamine (DMHDA). The two systems were compared by electron microscopic investigation and thermomechanical and fracture property measurements. Transmission electron microscopy has revealed a difference in the morphology of fracture surfaces. On the other hand, thermomechanical and fracture properties of DETA‐ and DMHDA‐cured formulations were found to be very similar. Three different processing (curing) conditions were used for DMHDA‐cured formulations, without an apparent effect on their properties. The previously reported improvement in impact energy of DMHDA‐cured formulations is unfounded.

Original languageEnglish (US)
Pages (from-to)2351-2366
Number of pages16
JournalJournal of Applied Polymer Science
Volume30
Issue number6
DOIs
StatePublished - Jan 1 1985

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Surfaces, Coatings and Films
  • Polymers and Plastics
  • Materials Chemistry

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