POLYURETHANE OR POLYISOCYANURATE FOAMS BLOWN WITH HYDROFLUOROCARBONS AND CARBON DIOXIDE

Rigid polyurethane or polyisocyanurate foams are produced by reacting an organic polyisocyanate with an amine-based polyether polyol in the presence of a catalyst, a hydrogen-containing fluorocarbon, water and carbon dioxide. Se producen espumas de poliuretano o poliisocianurato rigidas por reaccion...

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Bibliographische Detailangaben
1. Verfasser:	MAURICIO H. VENEGAS
Format:	Patent
Sprache:	eng ; spa
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP
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Beschreibung
Zusammenfassung:	Rigid polyurethane or polyisocyanurate foams are produced by reacting an organic polyisocyanate with an amine-based polyether polyol in the presence of a catalyst, a hydrogen-containing fluorocarbon, water and carbon dioxide. Se producen espumas de poliuretano o poliisocianurato rigidas por reaccion de un poliisocianato organico con un polieter polialcohol a base de amina en presencia de un catalizador, un fluorocarbono con contenido en hidrogeno, agua y dioxido de carbono.