IMPROVED PROCESS FOR THE PRODUCTION OF EXPANDED MATERIAL BASED ON SULFONE POLYMERS

The invention relates to a process for the production of expanded material based on sulfone polymers, of the type that comprises an extrusion step in an extruder (2) of virgin sulfone polymer (1) with the injection of at least one expanding agent (3) and in the presence of at least one nucleating ag...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	SHELTON, Robert Wayne, ALIPERTA, Luigi, BRESSAN, Raffaela, JACKSON, Stephen Leonard
Format:	Patent
Sprache:	eng ; fre
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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