| 摘要 |
The composition for optical materials of the present invention contains at least one compound represented by the following Formula 1: wherein R<SUP>1</SUP>, R<SUP>2 </SUP>and R<SUP>3 </SUP>are each independently C<SUB>1</SUB>-C<SUB>10 </SUB>hydrocarbyl or hydrogen; X<SUP>1</SUP>, X<SUP>2 </SUP>and X<SUP>3 </SUP>are each independently S, Se or Te; Y<SUP>1</SUP>, Y<SUP>2 </SUP>and Y<SUP>3 </SUP>are each independently -S<SUB>a</SUB>-[(CH<SUB>2</SUB>)<SUB>b</SUB>S]<SUB>c</SUB>H, a is an integer from 0 to 2, b is an integer from 0 to 4, and c is an integer from 0 to 2, and a compound reactive to the compound of Formula 1. A resin produced by curing a composition containing the compound of Formula 1 by polymerization has a high refractive index, and suitable as various optical materials.
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