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EVA Nanocomposites Elaborated with Bentonite Organo‐Modified by Wet and Semi‐Wet Methods
Author(s) -
Cárdenas Miguel Angel,
GarcíaLópez David,
Fernández José Francisco,
GobernadoMitre Isabel,
Merino Juan Carlos,
Pastor José María,
Martínez Juan de Dios,
Barbeta Javier,
Calveras Daniel
Publication year - 2007
Publication title -
macromolecular materials and engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.913
H-Index - 96
eISSN - 1439-2054
pISSN - 1438-7492
DOI - 10.1002/mame.200700149
Subject(s) - organoclay , materials science , nanocomposite , limiting oxygen index , compounding , bentonite , cone calorimeter , composite material , fire retardant , thermogravimetric analysis , homogeneous , chemical engineering , pyrolysis , char , engineering , physics , thermodynamics
EVA copolymer/organoclay nanocomposites were prepared using melt‐compounding. Organoclays were obtained using wet and semi‐wet modification methods. These methods enable us to obtain organoclays with adequate modifier incorporation, but organoclays with a homogeneous and narrow agglomeration size distribution were obtained only with the wet method. TS and EB were higher for nanocomposites obtained with organoclays prepared using the wet method. Analysis of Limiting Oxygen Index, UL94 test and Cone Calorimeter test showed that the retardant properties of nanocomposites were also influenced by the kind of modifiers and the modification method.

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