PROCESS FOR EXTENDING THE SHELF LIFE OF GASEOUS OLEFINIC PROPELLANTS IN POLYURETHANE FOAMS

The invention described herein generally pertains to a composition and a method for improving the shelf life of a gaseous hydrofluoroolefin propellant, the improvement comprising at least the increased aromatic polyester polyol(s) in combination with a tertiary amine catalyst comprising at least two...

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Bibliographische Detailangaben
Hauptverfasser: SHINKO, Andrew P, TAYLOR, Anthony J, SHOEMAKER, Julie L
Format: Patent
Sprache:eng ; fre ; ger
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Beschreibung
Zusammenfassung:The invention described herein generally pertains to a composition and a method for improving the shelf life of a gaseous hydrofluoroolefin propellant, the improvement comprising at least the increased aromatic polyester polyol(s) in combination with a tertiary amine catalyst comprising at least two cyclohexyl rings and an aliphatic metal salt catalyst, the amine catalyst having less than 10% nitrogen on a weight basis.