Di(alkylthio) diamine chain extenders for polyurethane elastomers

Polyurethanes and a process for their preparation with aromatic diamines having at least one aromatic ring, one of said at least one aromatic ring having thereon at least two alkylthio substituents and at least one amino substituent. An isocyanate prepolymer may be combined with a diamine chain exte...

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Bibliographische Detailangaben
Hauptverfasser:	RANKEN, PAUL FREDERICK, WIEGAND, KARL EDWARD, NALEPA, CHRISTOPHER JOHN
Format:	Patent
Sprache:	eng ; fre ; ger
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:	Polyurethanes and a process for their preparation with aromatic diamines having at least one aromatic ring, one of said at least one aromatic ring having thereon at least two alkylthio substituents and at least one amino substituent. An isocyanate prepolymer may be combined with a diamine chain extender of the invention and cured at suitable processing temperatures to form elastomers with good physical properties.