PROCESS FOR NANOCOMPOSITES PREPARATION, AND NANOCOMPOSITES

The present invention related to a process of preparation of nanocomposite polyolefins based on organophilic clay and polyolefin as shown in Figure 1. More specifically, the present invention relates to a process to prepare nanocomposites, which provides more efficient exfoliation of organophilic cl...

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Bibliographische Detailangaben
Hauptverfasser:	JUNIOR, TARCISIO, PELEGRINI, BARBOSA, RONILSON, VASCONCELOS, DA SILVA, LUCIANA, PORTAL, LIBERMAN, SUSANA, ALCIRA, MAULER, RAQUEL, SANTOS
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON MANUFACTURE OR TREATMENT THEREOF METALLURGY NANOSTRUCTURES FORMED BY MANIPULATION OF INDIVIDUAL ATOMS,MOLECULES, OR LIMITED COLLECTIONS OF ATOMS OR MOLECULES ASDISCRETE UNITS NANOTECHNOLOGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Beschreibung
Zusammenfassung:	The present invention related to a process of preparation of nanocomposite polyolefins based on organophilic clay and polyolefin as shown in Figure 1. More specifically, the present invention relates to a process to prepare nanocomposites, which provides more efficient exfoliation of organophilic clay particles in the polymeric matrix and, hence a product has significantly improved mechanical thermal and barrier properties and good optical properties. The nanocomposite product obtained by means of the process herein described and claims, constitutes a second aspect of the present invention. L'invention concerne la préparation de nanocomposites polyolefines sur la base d'argile organophile et de polyoléfines. Plus précisément, l'invention concerne un procédé permettant de préparer des nanocomposites, qui produit une exfoliation plus efficace de particules d'argile organophile dans la matrice polymère et, par conséquent, un produit présentant de bien meilleures propriétés mécaniques, thermiques et de barrière, ainsi que d'excellentes propriétés optiques. L'invention concerne également le produit nanocomposite obtenu suivant ce procédé.