申请人:Shofu Inc.
公开号:EP3888616A1
公开(公告)日:2021-10-06
To provide a dental photocurable composition having sufficient mechanical property and being excellent in color tone selectivity because of having a small color difference between before curing and after curing.
[Solution]
To provide a dental photocurable composition, comprising (A) polymerizable monomer, (B) photosensitizer, (C) photoacid generator, (D) photopolymerization accelerator and (E) filler, wherein, the dental photocurable composition comprises (B-1) α-diketone compound as the (B) photosensitizer, and the dental photocurable composition comprises, with respect to 100 parts by mass of the (A) polymerizable monomer, 0.15 parts by mass or less of the (B-1) α-diketone compound, 0.5 parts by mass or more of the (C) photoacid generator, and 100 parts by mass or more of the (E) filler.
提供一种牙科光固化组合物,该组合物具有足够的机械性能,并且由于固化前和固化后的色差很小,因此具有极佳的色调选择性。
[解决方案]
提供一种牙科光固化组合物,包括 (A) 可聚合单体、(B) 光敏剂、(C) 光酸发生器、(D) 光聚合促进剂和 (E) 填料,其中,牙科光固化组合物包括作为 (B) 光敏剂的 (B-1) α-二酮化合物,并且牙科光固化组合物包括,相对于 100 份(质量)的 (A) 可聚合单体,0.15份(质量份)或更少的(B-1)α-二酮化合物、0.5份(质量份)或更多的(C)光酸发生剂以及100份(质量份)或更多的(E)填料。