Hydrolytically stable polyurethane nanocomposites

The water-resistance properties of polyester-based polyurethanes are remarkably enhanced, without adversely affecting the transparency properties of these materials to any significant degree, by including in the polymer a substantially dispersed nano-particle proton scavenger. The hydrolytic stabili...

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Bibliographische Detailangaben
Hauptverfasser:	HUANG NAI Z, BROWN GREGORY R, LUBNIN ALEXANDER V, FLORES ELIZABETH A
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WORKING-UP
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Beschreibung
Zusammenfassung:	The water-resistance properties of polyester-based polyurethanes are remarkably enhanced, without adversely affecting the transparency properties of these materials to any significant degree, by including in the polymer a substantially dispersed nano-particle proton scavenger. The hydrolytic stability and water-resistance properties of polyester-based polyurethanes are remarkably enhanced and match those of polycarbonate-based polyurethanes, without adversely affecting the transparency of these materials to any significant degree, by including in the polymer a substantially dispersed nano-particle proton scavenger such as calcium carbonate.