ADDITIVE COMPOSITION FOR INCREASING THE STORAGE STABILITY OF ETHYLENICALLY UNSATURATED RESINS

The invention relates to a method of increasing the dark storage stability of a UV-curable composition comprising a) at least one oligomer, co-oligomer, polymer or copolymer having at least one ethylenically unsaturated bond or a mixture thereof; or a mixture of at least one ethylenically unsaturate...

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Bibliographische Detailangaben
Hauptverfasser:	JUNG TUNJA, VALET ANDREAS
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES APPARATUS SPECIALLY ADAPTED THEREFOR CHEMICAL PAINT OR INK REMOVERS CHEMISTRY CINEMATOGRAPHY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS BASED THEREON CORRECTING FLUIDS DYES ELECTROGRAPHY FILLING PASTES HOLOGRAPHY INKS MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS MATERIALS THEREFOR METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS ORIGINALS THEREFOR PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PHOTOGRAPHY PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES,e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTORDEVICES PHYSICS POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	The invention relates to a method of increasing the dark storage stability of a UV-curable composition comprising a) at least one oligomer, co-oligomer, polymer or copolymer having at least one ethylenically unsaturated bond or a mixture thereof; or a mixture of at least one ethylenically unsaturated monomer with at least one oligomer, co-oligomer, polymer or copolymer having at least one ethylenically unsaturated bond; or at least one ethylenically unsaturated monomer or mixture of said monomers, and one or more α-hydroxycycloalkylphenyl ketone or bisacylphosphine oxide photoinitiators, which method comprises adding b) at least one stable sterically hindered nitroxyl free-radical or at least one compound of the benzofuran-2-one type or a mixture of the two compounds.