Polyurethane compounds and articles prepared therefrom

This invention relates to polyurethane compounds, e.g., elastomers, which are the reaction product of a cycloaliphatic diisocyanate, a polyol and a chain extender. The cycloaliphatic diisocyanate comprises (i) trans-1,4-bis(isocyanatomethyl)cyclohexane or (ii) an isomeric mixture of two or more of c...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	ARGYROPOULOS JOHN NICHOLAS,BHATTACHARJEE DEBKUMAR,BRYANT DAVID ROBERT,FOLEY PAUL,SENDIJAREVIC AISA
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:	This invention relates to polyurethane compounds, e.g., elastomers, which are the reaction product of a cycloaliphatic diisocyanate, a polyol and a chain extender. The cycloaliphatic diisocyanate comprises (i) trans-1,4-bis(isocyanatomethyl)cyclohexane or (ii) an isomeric mixture of two or more of cis-1,3-bis(isocyanatomethyl)cyclohexane, trans-1,3-bis(isocyanatomethyl)cyclohexane, cis-1,4-bis(isocyanatomethyl)cyclohexane and trans-1,4-bis(isocyanatomethyl)cyclohexane, provided the isomeric mixture comprises at least about 5 weight percent of said trans-1,4-bis(isocyanatomethyl)cyclohexane. This invention also relates to shaped and molded articles prepared from said polyurethane compounds.