Preparation and properties of layered silicate nanocomposites based on ethylene vinyl acetate copolymers

[en] (Nano)composites based on ethylene vinyl acetate copolymers (EVA) and montmorillonite modified by various alkylammonium cations were processed by mechanical kneading. Polymer intercalation and filler exfoliation were evidenced by X-ray diffraction and transmission electron microscopy, respectively. Nano-composites tensile properties showed that Young's modulus increases significantly even at very low content of the organo-modified filler while preserving high ultimate elongation and tensile stress. The matrix thermal stability in air was increased by 40°C and, interestingly, the obtained nanocomposites present flame retardant properties. TEM micrograph of the nanocomposite based on EVA3 filled with 5 wt.-% of Mont-2CN2C18.

Research Center/Unit :

Center for Education and Research on Macromolecules (CERM)

Disciplines :

Chemistry
Materials science & engineering

Author, co-author :

Alexandre, Michaël ; University of Mons-Hainaut > Laboratory of Polymeric and Composite Materials (SMPC)

Beyer, Günter; Kabelwerk Eupen AG, Belgium

Henrist, Catherine ; Université de Liège - ULiège > Department of Chemistry > Laboratory of Structural Inorganic Chemistry

Cloots, Rudi ; Université de Liège - ULiège > Department of Chemistry > Laboratory of Structural Inorganic Chemistry

Rulmont, André ; Université de Liège - ULiège > Department of Chemistry > Laboratory of Structural Inorganic Chemistry

Jérôme, Robert ; Université de Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)

Dubois, Philippe ; University of Mons-Hainaut (UMH) > Laboratory of Polymeric and Composite Materials (SMPC)

Language :

English

Title :

Preparation and properties of layered silicate nanocomposites based on ethylene vinyl acetate copolymers

Publication date :

May 2001

Journal title :

Macromolecular Rapid Communications

ISSN :

1022-1336

eISSN :

1521-3927

Publisher :

Wiley-V C H Verlag Gmbh, Weinheim, Germany

Volume :

Issue :

Pages :

643-646

Peer reviewed :

Peer Reviewed verified by ORBi

Additional URL :

http://www3.interscience.wiley.com/cgi-bin/fulltext/84502189/PDFSTART

Funders :

The Câblerie d'Eupen S.A.
The Région Wallonne and the Fonds Social Européen in the frame of Objectif 1-Hainaut: Materia Nova

Available on ORBi :

since 25 February 2009

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Alexandre M., Beyer G., Henrist C., Cloots R., Rulmont A., Dubois Ph., in preparation; .

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