COMPOSITIONS WHICH UNDERGO LIGHT-INDUCED CATIONIC CURING ANDTHEIR USE

The invention relates to compositions which undergo cationic curing with visible light, comprising: (a) 0.01 to 8 wt.% of at least one diaryliodonium compound, (b) 0.01 to 8 wt.% of at least one .alpha.-dicarbonyl compound, (c) 10.0 to 99.9 wt.% of at least one compound containing epoxide groups and...

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Bibliographische Detailangaben
Hauptverfasser:	WEINMANN, WOLFGANG, ECKHARDT, GUNTHER
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	APPARATUS SPECIALLY ADAPTED THEREFOR CHEMISTRY CINEMATOGRAPHY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS ELECTROGRAPHY HOLOGRAPHY HUMAN NECESSITIES HYGIENE MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS MATERIALS THEREFOR MEDICAL OR VETERINARY SCIENCE METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS ORIGINALS THEREFOR PHOTOGRAPHY PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES,e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTORDEVICES PHYSICS PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	The invention relates to compositions which undergo cationic curing with visible light, comprising: (a) 0.01 to 8 wt.% of at least one diaryliodonium compound, (b) 0.01 to 8 wt.% of at least one .alpha.-dicarbonyl compound, (c) 10.0 to 99.9 wt.% of at least one compound containing epoxide groups and/or oxetane groups, (d) 0 to 85 wt.% of modifiers, such as fillers, dyestuffs, pigments, flow improvers, thixotropic agents, polymeric thickeners, additives having an oxidizing action, stabilizers and retardants, characterized in that they additionally comprise (e) 0.001 to 5 wt.% of at least one aromatic amine. The compositions have a low intrinsic colour, cure with little smell and, after curing, give compositions with very good mechanical properties.