Cure kinetics of neat and graphite-fiber-reinforced epoxy formulations

Jovan Mijovic, H. T. Wang

Research output: Contribution to journalArticle

Abstract

An investigation was carried out into the cure kinetics of neat and graphite fiber-reinforced epoxy formulation, composed of tetraglycidyl 4,4′-diaminodiphenyl methane (TGDDM) resin and diaminodiphenyl sulfone (DDS) ccuring agent. Two experimental techniques were employed: isothermal differential scanning calorimetry (IDSC) and dynamic differential scanning calorimetry (DDSC). A autocatalytic mechanism with the overall reaction rate order of 2 was found to describe adequately the cure kinetics, of the neat resin and the composite. All kinetic parameters, including reaction rate constants, activation energies and preexponential factors, were calculated and reported. The presence of graphite fibers in the composite had only a very small initial effect on the kinetics of cure.

Original languageEnglish (US)
Pages (from-to)2661-2673
Number of pages13
JournalJournal of Applied Polymer Science
Volume37
Issue number9
DOIs
StatePublished - May 5 1989

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Graphite fibers
Kinetics
Reaction rates
Differential scanning calorimetry
Resins
Sulfones
Composite Resins
Methane
Composite materials
Kinetic parameters
Rate constants
Activation energy

ASJC Scopus subject areas

  • Polymers and Plastics

Cite this

Cure kinetics of neat and graphite-fiber-reinforced epoxy formulations. / Mijovic, Jovan; Wang, H. T.

In: Journal of Applied Polymer Science, Vol. 37, No. 9, 05.05.1989, p. 2661-2673.

Research output: Contribution to journalArticle

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