| 摘要 |
A photoinitiator blend, containing a) at least one monoacylphosphine oxide of formula I in which R1 denotes C1-C18 alkyl; C1-C4 alkyl, C5-C8 cycloalkyl, C7-C9 phenylalkyl, phenyl, naphthyl, biphenyl, all substituted by halogen or C1-C6 alkoxy; phenyl, naphthyl or biphenylyl, all mono- or poly-substituted by halogen, C1-C12 alkyl and/or C1-C12 alkoxy; or a monovalent N-, O-, or S-containing 5-membered or 6-membered heterocyclic radical, R2 denotes phenyl, naphthyl, biphenylyl; phenyl, naphthyl or biphenylyl, all mono- or poly-substituted by halogen, C1-C12 alkyl and/or C1-C12 alkoxy; a monovalent N-, O-, or S-containing 5-membered or 6-membered heterocyclic radical, C1-C18 alkoxy, phenoxy; phenoxy substituted by halogen, C1-C4 alkyl or C1-C4 alkoxy; benzyloxy, cyclohexyloxy or R2 and R1 form a ring together with the phosphorus atom, R3 denotes C1-C18 alkyl; C1-C4 alkyl, C5-C8 cycloalkyl, C7-C9 phenylalkyl, phenyl, naphthyl, biphenylyl, all substituted by halogen or C1-C6 alkoxy; phenyl, naphthyl or biphenylyl, all mono- or poly-substituted by halogen, C1-C12 alkyl and/or C1-C12 alkoxy; a monovalent N-, O-, or S-containing 5-membered or 6-membered heterocyclic radical or a group in which X C2-C8 alkene, cyclohexylene or unsubstituted or; phenylene, or biphenylene, both substituted by halogen, C1-C4 alkyl or C1-C4 alkoxy; b) at least one diacylphosphine oxide of formula II in which R4 denotes C1-C18 alkyl; C1-C4 alkyl, C5-C8 cycloalkyl, C7-C9 phenylalkyl, phenyl, naphthyl, biphenylyl, all substituted by halogen or C1-C6 alkoxy; phenyl, naphthyl or biphenylyl, all mono- or poly-substituted by halogen, C1-C12 alkyl and/or C1-C12 alkoxy; a monovalent N-, O-, or S-containing 5-membered or 6-membered heterocyclic radical, C1-C18 alkoxy, phenoxy; phenoxy substituted by halogen, C1-C4 alkyl or C1-C4 alkoxy; benzyloxy, cyclohexyloxy and R5 and R6 independently denote C1-C18 alkyl; C1-C4 alkyl, C5-C8 cycloalkyl, C7-C9 phenylalkyl, phenyl, naphthyl, biphenylyl, all substituted by halogen or C1-C6 alkoxy; phenyl, naphthyl or biphenylyl, all mono- or poly-substituted by halogen, C1-C12 alkyl and/or C1-C12 alkoxy; a monovalent N-, O-, or S-containing 5-membered or 6-membered heterocyclic radical.
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