HARDENER COMPOSITION AND ASSOCIATED FORMING METHOD, UNCURED AND CURED EPOXY RESIN COMPOSITIONS, AND ARTICLE

A hardener composition is prepared by blending a low intrinsic viscosity hydroxyl-diterminated poly(phenylene ether), and an anhydride having structure (1) where q, Ra, and X are defined herein. The hardener composition exhibits glass transition temperature of -46 to +110 °C, which is characteristic...

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Bibliographische Detailangaben
1. Verfasser:	PETERS, Edward Norman
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS GENERAL PROCESSES OF COMPOUNDING MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP
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Beschreibung
Zusammenfassung:	A hardener composition is prepared by blending a low intrinsic viscosity hydroxyl-diterminated poly(phenylene ether), and an anhydride having structure (1) where q, Ra, and X are defined herein. The hardener composition exhibits glass transition temperature of -46 to +110 °C, which is characteristic of the blend and distinct from the glass transition temperatures of the individual components. Also described are a method of forming the hardener composition, a curable epoxy composition incorporating the hardener composition, a cured composition formed from the curable epoxy composition, and an article that includes the cured composition.