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In situ growth of organically-modified magnesium silicate clays within poly(ethylene oxide) matrices to prepare hybrid nanocomposites

Published online by Cambridge University Press:  01 February 2011

Bénédicte Lebeau ,
Nicola T. Whilton  and
Stephen Mann
Bénédicte Lebeau
Affiliation:
Laboratoire de Matériaux Minéraux, CNRS UMR 7016 - ENSCMu - UHA, 3 rue Alfred Werner, 68093 Mulhouse Cedex, France
Nicola T. Whilton
Affiliation:
School of Chemistry, University of Bristol, Bristol BS1 8TS, UK
Stephen Mann
Affiliation:
School of Chemistry, University of Bristol, Bristol BS1 8TS, UK
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Abstract

A direct synthetic method has been developed to produce hybrid materials composed of polymeric matrices infiltrated with layered inorganic particles. Magnesium chloride hexahydrate and (3-aminopropyl)triethoxysilane (ATES) were employed to produce lamellar organicallymodified magnesium silicate clays with structures analogous to the inorganic 2:1 phyllosilicates. Amino-functionalised Mg-phyllosilicates were prepared inside a poly(ethylene oxide) (PEO) matrix under quasi non-aqueous conditions. Nanostructured PEO-organoclay composites in bulk and films have been prepared with different layered inorganic particle loadings. X-ray diffraction patterns recorded showed for all samples reflections characteristic of crystalline PEO and layered magnesium organosilicate. Increasing the inorganic content of the composites resulted in the disappearance of the X-ray reflections characteristic of crystalline PEO.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 726: Symposium Q – Hybrid Organic-Inorganic Materials , 2002 , Q2.4
Copyright
Copyright © Materials Research Society 2002

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