Formyl formic acid coumarin compound, preparation method and application thereof, photoinitiator composition containing formyl formic acid coumarin compound and photocurable composition containing formyl formic acid coumarin compound

The invention relates to a 3-formyl formic acid coumarin compound of (I), a preparation method and application thereof, a photoinitiator composition and a photocurable composition containing the 3-formyl formic acid coumarin compound, a cured material obtained from the photocurable composition, and a method for preparing the photocurable material. The compound disclosed by the invention can be used as an oil-soluble photoinitiator and a water-based photoinitiator, has obvious advantages in the aspect of photosensitivity, and is suitable for being used as a photoinitiator for UV-VIS LED light source curing; and not only can free radical polymerization be initiated, but also an onium salt compound such as iodonium salt or sulfonium salt can be sensitized to initiate cationic polymerization of an epoxy monomer or an oxetane monomer and the like. # imgabs0 # 本发明涉及一种(I)的3-甲酰甲酸香豆素化合物，其制备方法及其用途、包含其的光引发剂组合物和可光固化组合物、可由该可光固化组合物得到的固化材料以及制备光固化材料的方法。本发明化合物既可以用作油溶性光引发剂又可以用作水性光引发剂，在感光性方面具有明显优势，适合用作UV-VIS LED光源固化的光引发剂，既可以引发自