Elastoplastic compositions and process for preparing them

Elastoplastic compositions and process for preparing them

Elastoplastic compositions comprising a continuous crystalline polyolefin phase and at least two discrete phases dispersed in the polyolefin phase, of which one consists of a dynamically cured EPDM rubber while the other of an amorphous and thermoplastic styrene polymer, in which at least 80% of the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: GIUSEPPE GORINI, MAURO BASSI, ENEA GARAGNANI
Format: Patent
Sprache:eng
Schlagworte:
AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
GENERAL PROCESSES OF COMPOUNDING
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
WORKING-UP
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Beschreibung
Zusammenfassung:Elastoplastic compositions comprising a continuous crystalline polyolefin phase and at least two discrete phases dispersed in the polyolefin phase, of which one consists of a dynamically cured EPDM rubber while the other of an amorphous and thermoplastic styrene polymer, in which at least 80% of the dispersed particles has a maximum size preferably below 5 mu m. The compositions are prepared by masticating the component mixtures, under rubber dynamic curing conditions.