PRODUCTION OF POLYURETHANE

PURPOSE:To obtain a polyurethane with self-releasability, suitable for molding by RIM process, by reaction between high polymeric polyol of molecular weight above a specific level, aromatic polyamine, organic polyisocyanate, etc. CONSTITUTION:The objective polyurethane can be obtained by reaction be...

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Bibliographische Detailangaben
Hauptverfasser:	NAGATA KOSABURO, ISHIKAWA ISAO, TOMOSADA TSUYOSHI
Format:	Patent
Sprache:	eng
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:	PURPOSE:To obtain a polyurethane with self-releasability, suitable for molding by RIM process, by reaction between high polymeric polyol of molecular weight above a specific level, aromatic polyamine, organic polyisocyanate, etc. CONSTITUTION:The objective polyurethane can be obtained by reaction between a blend comprising (A) as a high polymeric polyol, a polyoxyethylene chain- contg. polyoxyalkylene polyol with a molecular weight >=13,000 (e.g., adduct from ethylene glycol and ethylene oxide), (B) pref.