申请人:KABUSHIKI KAISHA SHOFU
公开号:EP1149573A2
公开(公告)日:2001-10-31
A dental composite material comprising (A) a polymerizable monomer, (B) a filler comprising at least one heat-treated aggregate of silica and at least one metal oxide other than silica, wherein the aggregate has an average particle size of 0.5-30µm, a refractive index of 1.46-1.65, a pore volume of 0.1-1.0 cc/g, a BET specific surface area of 50-500 m2/g, and a primary particle size of 1-250 nm, and (C) a polymerization initiator. The dental composite material of the present invention can satisfy various kinds of properties required as a dental composite material simultaneously.
一种牙科复合材料,包括(A)可聚合单体;(B)由至少一种二氧化硅和至少一种二氧化硅以外的金属氧化物热处理集合体组成的填料,其中集合体的平均粒径为 0.5-30µm,折射率为 1.46-1.65,孔体积为 0.1-1.0 cc/g,BET 比表面积为 50-500 m2/g,主粒径为 1-250 nm;以及(C)聚合引发剂。本发明的牙科复合材料可同时满足牙科复合材料所需的各种性能。