ADDITIVI A BASE DI OLIGOMERI POLIURETANICI PER POLIESTERI TERMOINDURENTI PER MODIFICARNE LE PROPRIETA' DI IMPATTO E DI TIRO

ADDITIVI A BASE DI OLIGOMERI POLIURETANICI PER POLIESTERI TERMOINDURENTI PER MODIFICARNE LE PROPRIETA' DI IMPATTO E DI TIRO

The polyurethane oligomer reaction product of an isocyanate- terminated prepolymer derived from an organic diisocyanate and a polyol of equivalent weight 300-4000 in an equivalent ratio of NCO:OH of 1.02:1 to 1.6:1,with an isocyanate reactive unsaturated monomer is incorporated into conventional the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: LICHEI DONALD LEE, O'CONNOR JAMES MICHAEL, SESSIONS WILLIE JAMES
Format: Patent
Sprache:ita
Schlagworte:
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
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:The polyurethane oligomer reaction product of an isocyanate- terminated prepolymer derived from an organic diisocyanate and a polyol of equivalent weight 300-4000 in an equivalent ratio of NCO:OH of 1.02:1 to 1.6:1,with an isocyanate reactive unsaturated monomer is incorporated into conventional thermosetting polyester resin formulations to impart improved impact properties and reduced shrinkage behavior.