DENTAL CURABLE COMPOSITION

• Main Authors: KAWANA MARIKO, OKADA YOSHIHIDE
• Format: Patent
• Language: English; Japanese
• Published: 20.04.2023
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; HUMAN NECESSITIES; HYGIENE; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS; MEDICAL OR VETERINARY SCIENCE; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES; THEIR PREPARATION OR CHEMICAL WORKING-UP

To provide a dental curable composition which is excellent in the mechanical strength of a cured material even when the pH is 7 or more.SOLUTION: A dental curable composition contains a polymerizable monomer (A) having no acidic group, a polymerization initiator (B), a transition metal compound (C), and a ligand compound (D), where the ligand compound (D) is at least one compound selected from the group consisting of ligands comprising phosphorus atoms and ligands comprising nitrogen atoms, and has a pH of 7 or more. Preferably, the ligands comprising phosphorus atoms are at least one compound selected from the group consisting of compounds represented by general formula (1), compounds represented by general formula (2), compounds represented by general formula (3), and compounds represented by general formula (4). Preferably, the ligands comprising nitrogen atoms are at least one compound selected from the group consisting of compounds represented by general formula (5), compounds represented by general formula (6), and multidentate ligands (7) comprising a nitrogen-containing heterocyclic ring.SELECTED DRAWING: None 【課題】ｐＨが７以上の状態であっても硬化物の機械的強度に優れる歯科用硬化性組成物を提供する。【解決手段】酸性基を有しない重合性単量体（Ａ）、重合開始剤（Ｂ）、遷移金属化合物（Ｃ）、及び配位子化合物（Ｄ）を含有し、前記配位子化合物（Ｄ）が、リン原子を含む配位子及び窒素原子を含む配位子からなる群から選ばれる少なくとも１つの化合物であり、ｐＨが７以上である、歯科用硬化性組成物。リン原子を含む配位子は、一般式（１）で表される化合物、一般式（２）で表される化合物、一般式（３）で表される化合物、及び一般式（４）で表される化合物からなる群から選ばれる少なくとも１つの化合物であることが好ましい。窒素原子を含む配位子が、一般式（５）で表される化合物、一般式（６）で表される化合物、及び含窒素複素環を含む多座配位子（７）からなる群から選ばれる少なくとも１つの化合物であることが好ましい。【選択図】なし