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Polymeric nanocomposites containing polyhedral oligomeric silsesquioxanes prepared via frontal polymerization

Mariani, Alberto and Alzari, Valeria and Monticelli, Orietta and Pojman, John A. and Caria, Giuseppe (2007) Polymeric nanocomposites containing polyhedral oligomeric silsesquioxanes prepared via frontal polymerization. Journal of Polymer Science. Part A: Polymer Chemistry, Vol. 45 (19), p. 4514-4521. eISSN 1099-0518. Article.

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DOI: 10.1002/pola.22185


Frontal polymerization (FP) has been successfully applied, for the first time, to obtain polymeric nanocomposites containing polyhedral oligomeric silsesquioxanes (POSS) in an amine-cured epoxy matrix. Variations of maximum temperature (Tmax) and front velocity (Vf) 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.

Item Type:Article
ID Code:2465
Uncontrolled Keywords:Electron microscopy, epoxy resin, frontal polymerization, nanocomposites, polyhedral oligomeric silsesquioxanes (POSS), X-ray
Subjects:Area 03 - Scienze chimiche > CHIM/04 Chimica industriale
Divisions:002 Altri enti e centri di ricerca del Nord Sardegna > INSTM-Consorzio Interuniversitario Nazionale per la Scienza e la Tecnologia dei Materiali, Unità di ricerca di Sassari
001 Università di Sassari > 01 Dipartimenti > Chimica
Deposited On:18 Aug 2009 10:07

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