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Effect of mechanical milling on the thermal behavior of polyethylene reinforced with nano-sized alumina / Gh. Tadayyon in INTERNATIONAL POLYMER PROCESSING, Vol. XXVI, N° 4 (09/2011)

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inINTERNATIONAL POLYMER PROCESSING > Vol. XXVI, N° 4 (09/2011) . - p. 354-360

Titre :	Effect of mechanical milling on the thermal behavior of polyethylene reinforced with nano-sized alumina
Type de document :	texte imprimé
Auteurs :	Gh. Tadayyon, Auteur ; S. M. Zebarjad, Auteur ; S. A. Sajjadi, Auteur
Année de publication :	2011
Article en page(s) :	p. 354-360
Note générale :	Bibliogr.
Langues :	Anglais (eng)
Catégories :	Alumine Analyse thermique Composites Contraintes thermiques Fraisage Microscopie électronique à balayage Microscopie électronique en transmission Nanoparticules Polyéthylène moyenne densité Thermogravimétrie
Index. décimale :	668.4 Plastiques, vinyles
Résumé :	In the current study the dependency of morphology and thermal behavior of medium density polyethylene (MDPE) powder reinforced with 0, 5, 10 and 15 wt.% nano-sized Al2O3 particles on mechanical milling were studied. The effects of milling time on the morphology and the thermal behavior were investigated by Transition Electron Microscopy (TEM), Scanning Electron Microscopy (SEM), Differential Scanning Calorimetery (DSC) and Thermo Gravimetric Analyzer (TGA). The TEM micrographs obtained from the nanocomposites proved that mechanical milling could be an adequate method to disperse nano-sized hard particles throughout the polymer. The SEM micrographs of pure MDPE showed that regular shape powder converted to the flake shapes as milling time increased. Also the results illustrated that an increase in milling time caused to decrease the agglomeration of alumina. The DSC profiles of samples elucidated that ball milling had little effect on crystalline temperature and melting point of all materials including MDPE and its nanocomposites. The nanocomposite exhibited more thermal stability than pure polyethylene proved by TGA tests.
DOI :	10.3139/217.2338
En ligne :	https://drive.google.com/file/d/1SktjPIwMAF1-JMu2UmK-KhbzPpiRh3SR/view?usp=drive [...]
Format de la ressource électronique :	Pdf
Permalink :	https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=12432

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