[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
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Bibliography
Alexandre M., Dubois Ph. Mater. Sci. Eng. Reports 2000, 28:1.
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