Relaxations of bisphenol A‐based epoxides cured with aliphatic diamines

Mami Matsukawa, Hirotaka Okabe, Kazumi Matsushige

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

The main α and sub β relaxations in bisphenol A‐based epoxides cured by two kinds of aliphatic diamines were examined in wide temperature and frequency ranges by using middle‐frequency dynamic, dielectric, and ultrasonic measuring systems. The obtained temperature–frequency correlation maps revealed an Arrhenius‐type behavior for the β relaxation with apparent activation energy of 16 kcal/mol. For the α relaxation, the maps were in good agreement with the W.L.F. equation. Owing to the similarity of structure in these resins, both maps showed the same tendencies. © 1993 John Wiley & Sons, Inc.

Original languageEnglish
Pages (from-to)67-73
Number of pages7
JournalJournal of Applied Polymer Science
Volume50
Issue number1
DOIs
Publication statusPublished - Jan 1 1993

All Science Journal Classification (ASJC) codes

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

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