PHOTOINITIATOR MIXTURE AND RADIATION CURABLE MATERIAL CONTAINING THE SAME MIXTURE

PROBLEM TO BE SOLVED: To obtain the subject mixture stable to preservation, mixable and processable, having high reactivity and scarcely yellowing by including a monoacylphosphine oxide and a diacylphosphine oxide. SOLUTION: This mixture is obtained by including (A) a monoacylphosphine oxide which i...

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Hauptverfasser:	KANDZIA CHRISTOF DR, LOKAI MATTHIAS, BECK ERICH, PRANTL BERNHARD
Format:	Patent
Sprache:	eng
Schlagworte:	ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM APPARATUS SPECIALLY ADAPTED THEREFOR CHEMISTRY CINEMATOGRAPHY COMPOSITIONS BASED THEREON ELECTROGRAPHY HOLOGRAPHY MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS MATERIALS THEREFOR METALLURGY ORGANIC CHEMISTRY ORGANIC MACROMOLECULAR COMPOUNDS ORIGINALS THEREFOR PHOTOGRAPHY PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES,e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTORDEVICES PHYSICS THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To obtain the subject mixture stable to preservation, mixable and processable, having high reactivity and scarcely yellowing by including a monoacylphosphine oxide and a diacylphosphine oxide. SOLUTION: This mixture is obtained by including (A) a monoacylphosphine oxide which is preferably a liquid at 21 deg.C and represented by formula I [R is a 1-18C alkyl, phenyl or the like; R is phenyl or the like; R is a 1-18C alkyl, a (substituted)phenyl or the like] (e.g. 2,4,6- trimethylbenzoylethoxyphenylphosphine oxide), (B) a diacylphosphine oxide that is preferably a solid at 21 deg.C and represented by formula II (R is a 1-18C alkyl or the like; R and R are each a 1-18C alkyl, phenyl or the like) [e.g. bis(2,4,6-trimethylbenzoyl)-phenylphosphine oxide]. The contents of the components based on the sum total of the weights of the components A and B are preferably 70-98 wt.% of the component A and 2-30 wt.% of the component B.