The curing of a bisphenol A‐type epoxy resin with 1,8 diamino‐p‐menthane

Thomas Donnellan, David Roylance

Research output: Contribution to journalArticle

21 Scopus citations

Abstract

Differential Scanning Calorimetry(DSC), Torsional Braid Analysis (TBA), and Fourier Transform Infrared Spectroscopy (FT‐IR) were used to study the cure characteristics of an epoxy system that utilized a sterically hindered amine curing agent. The apparent activation energy was found to be 13.3 kCal./Mol. by DSC and 12.8 kCal./Mol. by FT‐IR. Resin volatility hindered useful application of conventional TBA techniques. The resin was found to react to a partially cured (52%) state at room temperature and then vitrify. Samples stored for a two‐month period showed no advance in cure state. Subsequent application of heat caused resin devitrification and advance to a more fully cured state. The isothermal curing behavior was studied in a temperature range from 100° to 150°C.

Original languageEnglish (US)
Pages (from-to)821-825
Number of pages5
JournalPolymer Engineering & Science
Volume22
Issue number13
DOIs
StatePublished - Sep 1982

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Polymers and Plastics
  • Materials Chemistry

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