Journal
JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY
Volume 45, Issue 19, Pages 4514-4521Publisher
WILEY
DOI: 10.1002/pola.22185
Keywords
electron microscopy; epoxy resin; frontal polymerization; nanocomposites; polyhedral oligomeric silsesquioxanes (POSS); X-ray
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Frontal polymerization (FP) has been successfully applied, for the first time, to obtain polymeric nanocomposites containing polyhedral oligomeric silses-quioxanes (POSS) in an amine-cured epoxy matrix. Variations of maximum temperature (T-max) and front velocity (V-f) have been studied. A comparison of these products with the corresponding materials, obtained by the classical batch polymerization technique, demonstrated that FP allows a higher degree of conversion than batch polymerization. The products have been characterized in terms of their thermal behavior with DSC analysis. SEM and X-ray analyses revealed the morphology and the structures of the nanocomposites. The nanocomposites obtained by FP have the same characteristics of those synthesized, in much longer times, by batch polymerization. (c) 2007 Wiley Periodicals, Inc.
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