Photoinitiator mixtures comprising acylphosphine oxides and benzophenone derivatives

A photoinitiator mixture comprising (a) at least one acyl- or diacylphosphine oxide of the formula I, where R1 is C1-C18-alkyl, halogen- or C1-C6-alkoxy-substituted C1-C4-alkyl, C5-C8-cycloalkyl, C7-C9-phenylalkyl, phenyl, naphthyl, biphenylyl, mono- or poly-halogen-, -C1-C12-alkyl- and/or -C1-C12-a...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ENENKEL, PETER, PRANTL, BERNHARD, KANDZIA, CHRISTOF, BECK, ERICH, LOKAI, MATTHIAS
Format:	Patent
Sprache:	eng
Schlagworte:	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 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:	A photoinitiator mixture comprising (a) at least one acyl- or diacylphosphine oxide of the formula I, where R1 is C1-C18-alkyl, halogen- or C1-C6-alkoxy-substituted C1-C4-alkyl, C5-C8-cycloalkyl, C7-C9-phenylalkyl, phenyl, naphthyl, biphenylyl, mono- or poly-halogen-, -C1-C12-alkyl- and/or -C1-C12-alkoxy-substituted phenyl, naphthyl or biphenylyl, or a monovalent, N-, O- or S-containing, 5- or 6-membered heterocyclic radical, R2 is phenyl, naphthyl, biphenylyl, mono- or poly-halogen-, -C1-C12-alkyl and/or -C1-C12-alkoxy-substituted phenyl, naphthyl or biphenylyl, a monovalent, N-, O- or S-containing, 5- or 6-membered heterocyclic radical, C1-C18-alkoxy, phenoxy, halogen-, C1-C4-alkyl or C1-C4-alkoxy-substituted phenoxy, benzyloxy, cyclohexyloxy or a group -CO-R4, or R2 and R1 together with the phosphorus form a ring, R3 is C1-C18-alkyl, halogen- or C1-C6-alkoxy-substituted C1-C4-alkyl, C5-C8-cycloalkyl, C7-C9-phenylalkyl, phenyl, naphthyl, biphenylyl, mono- or poly-halogen-, -C1-C12-alkyl and/or -C1-C12-alkoxy-substituted phenyl, naphthyl or biphenylyl, a monovalent N-, O- or S-containing, 5- or 6-membered heterocyclic radical or a group where X is C2-C8-alkylene, cyclohexylene or unsubstituted or halogen-, C1-C4-alkyl- or C1-C4-alkoxy-substituted phenylene or biphenylene, and R4 is C1-C18-alkyl, halogen- or C1-C4-alkoxy-substituted C1-C4-alkyl, C5-C8-cycloalkyl, C7-C9-phenylalkyl, phenyl, naphthyl, biphenylyl, mono- or poly-halogen-, -C1-C12-alkyl- and/or -C1-C12-alkoxy-substituted phenyl, naphthyl or biphenylyl or a monovalent, N-, O- or S-containing, 5- or 6-membered heterocyclic radical, or R4 and R3 together are C2-C12-alkylene, vinylene or o-phenylene, and (b) at least one benzophenone derivative of the formula where R5, R6 and R7 independently are C1-C12-alkyl, C1-C4-alkylthio, C1-C4-alkoxy, halogen or C2-C6-alkoxycarbonyl and R8, R9 and R10 are hydrogen, C1-C12-alkyl, C1-C4-alkoxy, halogen or C2-C6-alkoxycarbonyl or C1-C4-alkylthio or a mixture of benzophenone derivatives of the formula II with other benzophenone derivatives.