Low thermal conductivity urethane or isocyanate insulation foams

Prepn. of a polyurethane- or polyisocyanate-based foam prod. with a thermal conductivity less than 0.020(0.019) W/m.K uses a CFC-free propellant contg. tetramethyl silane. Pref. a mixt. of tetramethyl silane and pentane is used.

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Bibliographische Detailangaben
1. Verfasser:	GNEDIN, EUGEN., 41747 VIERSEN, DE
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP
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Beschreibung
Zusammenfassung:	Prepn. of a polyurethane- or polyisocyanate-based foam prod. with a thermal conductivity less than 0.020(0.019) W/m.K uses a CFC-free propellant contg. tetramethyl silane. Pref. a mixt. of tetramethyl silane and pentane is used.