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

Corresponding Author

Jovan Mijović

Polytechnic University, Department of Chemical Engineering, 333 Jay Street, Brooklyn, New York 11201

Polytechnic University, Department of Chemical Engineering, 333 Jay Street, Brooklyn, New York 11201===Search for more papers by this author

H. T. Wang,

H. T. Wang

Polytechnic University, Department of Chemical Engineering, 333 Jay Street, Brooklyn, New York 11201

Search for more papers by this author

Jovan Mijović,

Corresponding Author

Jovan Mijović

Polytechnic University, Department of Chemical Engineering, 333 Jay Street, Brooklyn, New York 11201

Polytechnic University, Department of Chemical Engineering, 333 Jay Street, Brooklyn, New York 11201===Search for more papers by this author

H. T. Wang,

H. T. Wang

Polytechnic University, Department of Chemical Engineering, 333 Jay Street, Brooklyn, New York 11201

Search for more papers by this author

First published: 5 May 1989

https://doi.org/10.1002/app.1989.070370917

Citations: 26

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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.

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Volume37, Issue9

5 May 1989

Pages 2661-2673

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

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

Abstract

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