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Elaboration and characterization of novel polyamide-12-layered titanoniobates nanocomposites

Published online by Cambridge University Press:  31 January 2011

Sophie Chausson
Affiliation:
Laboratoire de Cristallographie et Sciences des Materiaux, Unité Mixte de Recherche Centre National de la Recherche Scientifique, 6508 ENSICAEN, Université de Caen Basse-Normandie, 14050 Caen, France
Richard Retoux
Affiliation:
Laboratoire de Cristallographie et Sciences des Materiaux, Unité Mixte de Recherche Centre National de la Recherche Scientifique, 6508 ENSICAEN, Université de Caen Basse-Normandie, 14050 Caen, France
Jean-Michel Rueff
Affiliation:
Laboratoire de Cristallographie et Sciences des Materiaux, Unité Mixte de Recherche Centre National de la Recherche Scientifique, 6508 ENSICAEN, Université de Caen Basse-Normandie, 14050 Caen, France
Loïc LE Pluart*
Affiliation:
Laboratoire de Chimie Moléculaire et Thio-organique, ENSICAEN, Université de Caen Basse-Normandie, Centre National de la Recherche Scientifique, 14050 Caen, France
Pierre-Jean Madec
Affiliation:
Laboratoire de Chimie Moléculaire et Thio-organique, ENSICAEN, Université de Caen Basse-Normandie, Centre National de la Recherche Scientifique, 14050 Caen, France
Paul-Alain Jaffres
Affiliation:
Université Européenne de Bretagne, France; and Université de Brest, Centre National de la Recherche Scientifique Unité Mixte de Recherche 6521, CEMCA, Institut Fédératif de Recherche 148 ScInBios, 29238 Brest, France
*
a) Address all correspondence to this author. e-mail: [email protected]
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Abstract

This article describes the synthesis and the characterization of a polyamide-12 filled with a nanostructured organic/inorganic titanoniobate hybrid material. The pristine oxide KTiNbO5 has been successfully organomodified by N-alkyl amines via an acido-basic reaction after a cationic exchange step as shown by x-ray diffraction. Transmission electron microscope study and scanning transmission electron microscope observations have been used to describe the change of morphology of the nanofillers before and after processing; the micronic aggregates were changed into single sheets and dispersed in the polymer. Thermomechanical properties of the composites have been determined, and their analyses with structure-properties models are consistent with the exfoliation of the organomodified titanoniobates.

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Articles
Copyright
Copyright © Materials Research Society 2009

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