Compositions hardenable by UV radiation comprising an unsaturated epoxy resin ester and an unsaturated monomer

A composition hardenable by means of ultra-violet radiations, which comprises (a) an unsaturated epoxy resin ester obtained by reacting an epoxy or epoxy novolak resin with an unsaturated monocarboxylic fatty acid with 18 carbon atoms per molecule and with acrylic and/or methacrylic acid, the fatty...

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Bibliographische Detailangaben
Hauptverfasser:	VARGIU, SILVIO, CARPANETI, EDOARDO, PASSALENTI, BEPPINO
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS 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:	A composition hardenable by means of ultra-violet radiations, which comprises (a) an unsaturated epoxy resin ester obtained by reacting an epoxy or epoxy novolak resin with an unsaturated monocarboxylic fatty acid with 18 carbon atoms per molecule and with acrylic and/or methacrylic acid, the fatty acid being used in an amount of 20-80 moles for each 100 moles of the sum of the acids, (b) a mono- or poly-functional unsaturated monomer and (c) a photo-sensitive substance. The composition comprises 3-97 parts by weight of component (a) and 1.2-3.5 parts by weight of component (c) for each 100 parts by weight of the sum of components (a) and (b).