EPOXY RESIN COMPOSITION CAPABLE OF CURE AT LOW TEMPERATURE

An epoxy resin which is a reaction product of a polyepoxy and a polyol which contains both epoxy groups and terminal phenolic hydroxyl groups of at least 0.2 weight percent having added thereto an epoxy novolac having an epoxy functionality greater than two. The epoxy resin is suitable for use as a...

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Main Authors ELMS, WILLIAM, JAY, RAVENSCROFT, MICHAEL, DAVID, GLASS, TERRY, WAYNE, HOFFMANN, KLAUS, ERICH, POINCLOUX, JACQUES, LOUIS, KEILLOR, PETER, THOMPSON, III
Format Patent
LanguageEnglish
French
German
Published 26.11.1997
Edition6
Subjects
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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Summary:An epoxy resin which is a reaction product of a polyepoxy and a polyol which contains both epoxy groups and terminal phenolic hydroxyl groups of at least 0.2 weight percent having added thereto an epoxy novolac having an epoxy functionality greater than two. The epoxy resin is suitable for use as a powder coating exhibiting lower melt viscosity than prior art resins of similar composition. The epoxy resin exhibits higher Tg/softening point than prior art resins of similar viscosity. A powder coating prepared from the resin may be used on temperature sensitive substrates.
Bibliography:Application Number: EP19950910961