24-08-2017 дата публикации
Номер: US20170240659A1
Принадлежит:
The present invention relates to a series of novel multifunctional mono- and bis-acylphosphine oxides, which are useful as photoinitiators, and to photocurable compositions comprising said photoinitiators. 2. The photoinitiators of claim 1 , wherein said m+n has a value within a range of 3 to 8.3. The photoinitiators of claim 1 , wherein said m has a value within a range of 3 to 6.4. The photoinitiators of claim 1 , wherein said Ris selected from the group consisting of phenyl claim 1 , 2 claim 1 ,6-dichlorophenyl claim 1 , 2 claim 1 ,4 claim 1 ,6-trichlorophenyl claim 1 , 2 claim 1 ,6-dimethylphenyl claim 1 , 2 claim 1 ,4 claim 1 ,6-trimethylphenyl claim 1 , 2 claim 1 ,6-diethylphenyl claim 1 , 2 claim 1 ,6-dimethoxyphenyl claim 1 , 2 claim 1 ,6-diethoxyphenyl claim 1 , α-naphthyl claim 1 , 2 claim 1 ,6-dinitrophenyl claim 1 , 2 claim 1 ,6-dimethylcyclohexyl claim 1 , 2 claim 1 ,6-diethylcyclohexyl claim 1 , 2 claim 1 ,6-dimethoxycyclohexyl claim 1 , 2 claim 1 ,6-diethoxycyclohexyl claim 1 , 2 claim 1 ,6-dichlorocyclohexyl claim 1 , tert-butyl claim 1 , pentyl claim 1 , hexyl claim 1 , heptyl claim 1 , octyl and 2-ethylhexyl.5. The photoinitiators of claim 1 , wherein said Ris selected from the group consisting of R—(C═O)— claim 1 , methyl claim 1 , ethyl claim 1 , propyl claim 1 , isopropyl claim 1 , n-butyl claim 1 , sec-butyl claim 1 , tert-butyl claim 1 , pentyl claim 1 , hexyl claim 1 , 2-ethylhexyl claim 1 , phenyl claim 1 , xylyl claim 1 , 4-biphenylyl claim 1 , 2- claim 1 , 3- or 4-chlorophenyl claim 1 , 2 claim 1 ,4-dichlorophenyl claim 1 , 2- claim 1 , 3- or 4-methylphenyl claim 1 , 2 claim 1 ,4-dimethylphenyl claim 1 , 2- claim 1 , 3- or 4-ethylphenyl claim 1 , 2- claim 1 , 3- or 4-methoxyphenyl claim 1 , 2 claim 1 ,4-dimethoxyphenyl claim 1 , 2- claim 1 , 3- or 4-ethoxyphenyl claim 1 , α-naphthyl claim 1 , methylnaphthyl claim 1 , chloronaphthyl claim 1 , ethoxynaphthyl and 2- or 4-nitrophenyl.6. The photoinitiators of claim 1 , wherein said G-(A-H)is ...
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