摘要 |
The present invention relates to compounds of general formula (I)whereinX1 and X2 are different form each other and have the meanings reported in the following descriptionY is a simple bond, C1-C12 linear or branched alkyl groups, -O-, -S-, >S=O, >SO2, NR17-, wherein R17 is H, C1-C12 linear or branched alkyl groups, COR1, and photopolymerisable formulations containing as photoinitiators the aforementioned compounds of formula (I). |