申请人:Mitsui Chemicals, Inc.
公开号:EP3494954A1
公开(公告)日:2019-06-12
A photocurable composition, which is used for manufacturing a dental prosthesis or the like by stereolithography, including: a photopolymerization initiator; and a (meth)acrylic monomer component including an acrylic monomer (X) having no aromatic rings and having a ring structure other than an aromatic ring and two or more acryloyloxy groups in one molecule and having an Mw of from 200 to 800, and at least one of a (meth)acrylic monomer (A) having one or more ether bonds and two (meth)acryloyloxy groups in one molecule and having an Mw of from 200 to 400, a (meth)acrylic monomer (B) having a ring structure other than an aromatic ring and one (meth)acryloyloxy group in one molecule and having an Mw of from 130 to 240, a (meth)acrylic monomer (C) having a hydrocarbon skeleton and two (meth)acryloyloxy groups in one molecule and having an Mw of from 190 to 280, and a (meth)acrylic monomer (D) having one or more aromatic rings and one (meth)acryloyloxy group in one molecule and having an Mw of from 140 to 350.
一种光固化组合物,用于通过立体光刻法制造牙科修复体或类似物,包括一种光聚合引发剂;(甲基)丙烯酸单体组份,包括:丙烯酸单体 (X),该丙烯酸单体没有芳香环,具有芳香环以外的环状结构,在一个分子中含有两个或两个以上丙烯酰氧基,其 Mw 为 200 至 800;(甲基)丙烯酸单体 (A),该丙烯酸单体具有一个或多个醚键,在一个分子中含有两个(甲基)丙烯酰氧基,其 Mw 为 200 至 400、一种(甲基)丙烯酸单体(B),其环状结构不是芳香环,且一个分子中有一个(甲基)丙烯酰氧基,其 Mw 为 130 至 240;一种(甲基)丙烯酸单体(C),其骨架是烃,且一个分子中有两个(甲基)丙烯酰氧基,其 Mw 为 190 至 280;以及一种(甲基)丙烯酸单体(D),其分子中有一个或多个芳香环,且一个分子中有一个(甲基)丙烯酰氧基,其 Mw 为 140 至 350。