MESCOLE POLIMERICHE A VISCOSITA' RIDOTTA DI ELEVATA RESISTENZA AD URTO E METODO PER PRODURLE

A high melt flow rate, high impact, visbroken polymeric material is disclosed which comprises a first component which is selected from the group consisting of block copolymers of propylene and ethylene, reactor-made intimate mixtures of propylene and randomly oriented copolymers of propylene and eth...

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Bibliographische Detailangaben
1. Verfasser:	ROSS JAMES FRANCIS
Format:	Patent
Sprache:	ita
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Beschreibung
Zusammenfassung:	A high melt flow rate, high impact, visbroken polymeric material is disclosed which comprises a first component which is selected from the group consisting of block copolymers of propylene and ethylene, reactor-made intimate mixtures of propylene and randomly oriented copolymers of propylene and ethylene, and blends of polypropylene and randomly oriented copolymers of propylene and ethylene, and the second component which is selected from the group consisting low density polyethylene, ethylene-vinyl acetate copolymers, acrylate-modified polyethylenes, high density polyethylene, ethylene-propylene rubber (EPR or EPDM), and blends thereof. The two components are first blended and then visbroken.