| 摘要 |
<p>The invention relates to novel photoinitiators of formula (I) wherein A is - 0- , -CH2-, CH(CH3)- or -C(CH3)2-, and R is methyl or trimethylsilyl, and R may in addition be hydrogen when A is simultaneously the group -C(CH3)2-. The invention relates also to compositions comprising (A) at least one ethylenically unsaturated compound, (B) a photoinitiator of formula (I), (C) optionally further binders or additives, (D) optionally further photoinitiators or co-initiators. Composition comprising (A) an ethylenicall y unsaturated compound that contains at least one aminoacrylate, (B) a photoinitiator of formula (II) or (III), (C) optionally further binders or additives, (D) optionally further photoinitiators or co-initiators.</p> |
