DIISOCYANATE UND DIISOCYANATGEMISCHE, EIN VERFAHREN ZU IHRER HERSTELLUNG UND IHRER VERWENDUNG BEI DER HERSTELLUNG VON POLYURETHANKUNSTSTOFFEN

alpha -(4-isocyanatophenoxy)- psi -(4-isocyanato-3-methyl-phenoxy)-alkanes and mixtures thereof with the corresponding methyl-free and/or dimethyl substituted diisocyanates are made by phosgenating the corresponding diamine(s). These diisocyanates do not form a precipitate when reacted with a polyol...

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Bibliographische Detailangaben
Hauptverfasser:	HEITKAEMPER,PETER,DR, KOENIG,KLAUS,DR
Format:	Patent
Sprache:	ger
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS 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 CHEMISTRY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP
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Zusammenfassung:	alpha -(4-isocyanatophenoxy)- psi -(4-isocyanato-3-methyl-phenoxy)-alkanes and mixtures thereof with the corresponding methyl-free and/or dimethyl substituted diisocyanates are made by phosgenating the corresponding diamine(s). These diisocyanates do not form a precipitate when reacted with a polyol and produce polyurethanes having outstanding properties.