Photopolymerizable composition

A photopolymerizable composition comprising at least one polymerizable ethylenically unsaturated material, for example, an ethylenically unsaturated monomer, and a photosensitive catalyst comprising A. AT LEAST ONE PHOTOSENSITIZER HAVING THE STRUCTURE where X is >C=O, >CR1R2 or >CR3OR4, esp...

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Bibliographische Detailangaben
Hauptverfasser:	NEMCEK, JOSEF, DART, EDWARD CHARLES
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 GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS 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 TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ARTCOLLECTIONS [XRACs] AND DIGESTS THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	A photopolymerizable composition comprising at least one polymerizable ethylenically unsaturated material, for example, an ethylenically unsaturated monomer, and a photosensitive catalyst comprising A. AT LEAST ONE PHOTOSENSITIZER HAVING THE STRUCTURE where X is >C=O, >CR1R2 or >CR3OR4, especially >C=O, R1 to R4 and hydrogen or hydrocarbyl groups, n is 0 or 1, and the groups A are hydrocarbyl or substituted hydrocarbyl groups, the groups A being aromatic or substituted aromatic when n is 1 and X is >CR1R2 and when n is 0, and B. AT LEAST ONE REDUCING AGENT, FOR EXAMPLE, AN AMINE OR A PHOSPHINE, CAPABLE OF REDUCING THE PHOTOSENSITIZER WHEN THE PHOTOSENSITIZER IS IN AN EXCITED STATE.