COLOR STABLE EPOXY COMPOSITIONS

Curable compositions include a non-aromatic epoxy-functional epoxy resin adduct, a non-aromatic epoxy resin, and a non-aromatic anhydride-based curing agent. The epoxy resin adduct is the reaction product of a reaction mixture including a polyfunctional thiol and a polyfunctional epoxy resin. The cu...

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Bibliographische Detailangaben
Hauptverfasser:	LARSON, Eric G, CHEN, Yangbin
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES CHEMISTRY COMPOSITIONS BASED THEREON DYES MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL ORGANIC MACROMOLECULAR COMPOUNDS PAINTS POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF MATERIALS AS ADHESIVES
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Beschreibung
Zusammenfassung:	Curable compositions include a non-aromatic epoxy-functional epoxy resin adduct, a non-aromatic epoxy resin, and a non-aromatic anhydride-based curing agent. The epoxy resin adduct is the reaction product of a reaction mixture including a polyfunctional thiol and a polyfunctional epoxy resin. The cured composition has an Izod Impact Test (Notched Izod) test method (ASTM D256) value of at least 40 J/m and is color stable such that upon exposure to an acid bath in accordance with the Acid Bath Test Method, exhibits a ΔE 94 color change of less than 1.