A fluorenylaminoketone photoinitiator, a preparation method thereof, and a UV photocurable composition containing same. The photoinitiator has a compound having a structure as shown in general formula (I) or a derivative compound thereof. The fluorenylaminoketone photoinitiator may effectively improve the solubility of traditional photoinitiators and reduce the use of micromolecular active diluents, and may also have high sensitivity and good deep-layer curing. It has very good promotion effect on popularization and application of photocurable compositions, particularly colored ink systems, in the field of photocuring. A UV photocurable composition containing such a fluorenylaminoketone photoinitiator can have an advantage in terms of high sensitivity, no residue after development, good pattern integrity, no or little odor of coating layers after curing, or excellent yellowing resistance.
一种
芴基
氨基酮光
引发剂、其制备方法以及含有该
引发剂的紫外光固化组合物。该光
引发剂具有通式(I)所示结构的化合物或其衍
生物化合物。
芴基
氨基酮光
引发剂可有效改善传统光
引发剂的溶解性,减少微分子活性稀释剂的使用,并具有高灵敏度和良好的深层固化性。这对光固化组合物,尤其是彩色油墨体系在光固化领域的推广应用具有很好的促进作用。含有这种
芴基
氨基酮光
引发剂的紫外光固化组合物具有灵敏度高、显影后无残留、图案完整性好、固化后涂层无气味或气味小、耐黄变性好等优点。