abstract |
The present invention relates to a use of γ,δ-unsaturated oxime ester compounds of formula (I) as photoinitiators, wherein variables are as defined in the description. The present invention further relates to a preparation method for the γ,δ-unsaturated oxime ester compounds. The γ,δ-unsaturated oxime ester compounds of the present invention have excellent initiation efficiency when being used as photoinitiators. |