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PHOTOCURABLE COMPOSITION AND DENTAL RESTORATION FILLING MATERIAL
专利权人:
TOKUYAMA DENTAL CORPORATION
发明人:
Koji Furuhashi,Hironobu Akizumi
申请号:
US16491143
公开号:
US20200069534A1
申请日:
2018.03.05
申请国别(地区):
US
年份:
2020
代理人:
摘要:
Provided is a photocurable composition that contains a polymerizable monomer (A), a spherical filler (B) having an average particle size within the range of 230-1000 nm, and a polymerization initiator (C), the photocurable composition being such that: 90% or more of the individual particles that constitute the spherical filler (B) are within a range of ±5% of the average particle size; the polymerizable monomer (A) and the spherical filler (B) satisfy condition (X1) represented by formula (1): nP<;nF (where nP represents the refractive index at 25° C. of a polymer obtained by polymerizing the polymerizable monomer (A) and nF represents the refractive index at 25° C. of the spherical filler (B)); and the polymerization initiator (C) includes a photosensitizing compound (C1), a tertiary amine compound (C2), and a photoacid generator (C3).
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