Blowing agent containing on HFC-134a and cyclopentane

A polymer expansion composition comprising 60-98 wt.% HFC-134a and 2-40 wt.% cyclopentane. Independent claims are included for a polymeric composition usable in the preparation of an expanded polymer and comprising 5-15 wt.% of the claimed expansion composition and 85-95 wt.% of a thermoplastic poly...

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Bibliographische Detailangaben
Hauptverfasser:	ALBOUY, ARNAUD, MASTER CROOKER, RICHARD, GUILPAIN, GERARD
Format:	Patent
Sprache:	eng ; fre ; ger
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:	A polymer expansion composition comprising 60-98 wt.% HFC-134a and 2-40 wt.% cyclopentane. Independent claims are included for a polymeric composition usable in the preparation of an expanded polymer and comprising 5-15 wt.% of the claimed expansion composition and 85-95 wt.% of a thermoplastic polymer and for a method of fabrication of an expanded polymer by extruding the polymer composition through a nozzle.