Browsing by Author "Wiggins, Jeffrey S."
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Molecular scale cure rate dependence of thermoset matrix polymers
Childers, Christopher H.; Hassan, Mohammad K.; Mauritz, Kenneth A.; Wiggins, Jeffrey S. ( Elsevier B.V. , 2016 , Article)This manuscript demonstrates the molecular scale cure rate dependence of di-functional epoxide based thermoset polymers cured with amines. A series of cure heating ramp rates were used to determine the influence of ramp ... -
Polymer chain dynamics in epoxy based composites as investigated by broadband dielectric spectroscopy
Hassan, Mohammad K.; Tucker, Samuel J.; Abukmail, Ahmed; Wiggins, Jeffrey S.; Mauritz, Kenneth A. ( Elsevier B.V. , 2016 , Article)Epoxy networks of the diglycidyl ether of bisphenol A (DGEBA) were prepared using 3,3′- and 4,4′-diaminodiphenyl sulfone isomer crosslinkers. Secondary relaxations and the glass transitions of resultant networks were probed ... -
Universal power law behavior of the AC conductivity versus frequency of agglomerate morphologies in conductive carbon nanotube-reinforced epoxy networks
Greenhoe, Brian M.; Hassan, Mohammad K.; Wiggins, Jeffrey S.; Mauritz, Kenneth A. ( John Wiley and Sons Inc. , 2016 , Article)The Jonscher universal power law for ac conductivity versus frequency (f = /2) in the dispersion region was tested for a multiwall carbon nanotube/epoxy nanocomposite. The effect of changes in agglomerate morphology on the ...