PROBLEM TO BE SOLVED: To provide a visible light curable composition which is superior in curing characteristics by visible light irradiation enabling the composition to be sufficiantly cured and improved in curing depth.SOLUTION: There is provided a visible light curable composition having (A) a polymerizable monomer, (B) a photopolymerization initiator, (C) a phosphorescent compound, and (D) a pigment. The (B) polymerizable monomer and the (C) phosphorescent compound have excitation wavelength ranges of &ge400 nm, and the difference between the maximum luminescence peak wavelength of the (C) phosphorescent compound and the maximum excitation wavelength which exists in a range of &ge400 nm of the (B) polymerizable monomer is &le50 nm.COPYRIGHT: (C)2012,JPO&INPIT【課題】可視光照射による光硬化特性に優れ、組成物の硬化が充分に進行でき、かつ、硬化深度の向上が達成できる可視光硬化性組成物を提供すること。【解決手段】(A)重合性単量体、(B)光重合開始剤、(C)燐光性化合物、(D)顔料を含む可視光硬化性組成物であって、(B)光重合開始剤、(C)燐光性化合物がともに400nm以上に励起波長域を有しており、(C)燐光性化合物の最大発光ピーク波長と、(B)光重合開始剤の400nm以上の領域に存在する最大励起波長との差が50nm以下である可視光硬化性組成物としている。【選択図】なし
