申请人:——
公开号:US20040122201A1
公开(公告)日:2004-06-24
The present invention relates to a composition for optical materials, comprising (a) a compound having in one molecule at least one structure represented by the following Formula
1:
1
wherein R
1
is a C
0-10
hydrocarbon group, each of R
2
, R
3
and R
4
is a C
1-10
hydrocarbon group or hydrogen, Y is O, S, Se or Te, m is 1 to 5, and n is 0 to 5; (b) a compound having in one molecule at least one isocyanate group and/or at least one isothiocyanate group; (c) a compound having in one molecule at least one mercapto group; and (d) an inorganic compound having sulfur atom and/or selenium atom, and also relates to an optical material produced by polymerization curing the composition, a production method thereof, and an optical lens comprising the optical material. The present invention provides a high refractive, high Abbe's number optical material having an improved impact resistance.
本发明涉及一种用于光学材料的组合物,该组合物包括 (a) 在一个分子中具有至少一种由下式表示的结构的化合物
1:
1
其中 R
1
是 C
0-10
烃基,R
2
, R
3
和 R
4
是 C
1-10
烃基或氢,Y 是 O、S、Se 或 Te,m 是 1 至 5,n 是 0 至 5;(b) 在一个分子中具有至少一个异氰酸酯基团和/或至少一个异硫氰酸酯基团的化合物;(c) 在一个分子中具有至少一个巯基的化合物;以及 (d) 具有硫原子和/或硒原子的无机化合物,还涉及通过聚合固化该组合物生产的光学材料、其生产方法以及包含该光学材料的光学透镜。本发明提供了一种高折射率、高阿贝数的光学材料,具有更好的抗冲击性。