MANUFACTURE OF POLYURETHANE MOLDED FOAM

A novel process for the production of mouldings having a density of at least 250 kg/m from polyurethane foams having a compact surface by foam moulding a polyurethane-forming starting mixture using organic carboxylic acids as the blowing agent, and the mouldings obtained by this process.

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Bibliographische Detailangaben
Hauptverfasser:	OTSUTOO GANSUTERU, RIHIYARUTO KOTSUPU, ARUFURETSUDO NOIHAUSU
Format:	Patent
Sprache:	eng
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:	A novel process for the production of mouldings having a density of at least 250 kg/m from polyurethane foams having a compact surface by foam moulding a polyurethane-forming starting mixture using organic carboxylic acids as the blowing agent, and the mouldings obtained by this process.