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) curing agent. Two experimental techniques were employed: isothermal differential scanning calorimetry (IDSC) and dynamic differential scanning calorimetry (DDSC). An 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 language | English (US) |
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Pages (from-to) | 2661-2673 |
Number of pages | 13 |
Journal | Journal of Applied Polymer Science |
Volume | 37 |
Issue number | 9 |
DOIs | |
State | Published - May 5 1989 |
ASJC Scopus subject areas
- General Chemistry
- Surfaces, Coatings and Films
- Polymers and Plastics
- Materials Chemistry