PROCEDE DE PRODUCTION DE MOUSSES CELLULAIRES

Rigid cellular foams characterized by carbodiimide linkages are prepared by the catalytic condensation of an organic polyisocyanate in the presence of a halogen or phosphorus-containing active hydrogen compound to provide urethane modified foams having a skin of improved flame retardancy.

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Bibliographische Detailangaben
1. Verfasser:	MOSES CENKER, PETER TAI-YUEN KAN ET EARL JAMES ROBERTSON
Format:	Patent
Sprache:	fre
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	Rigid cellular foams characterized by carbodiimide linkages are prepared by the catalytic condensation of an organic polyisocyanate in the presence of a halogen or phosphorus-containing active hydrogen compound to provide urethane modified foams having a skin of improved flame retardancy.