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US 11,945,914 B2Granted
Curable composition and optical material comprising cured product thereof
AssigneeLG Chem, Ltd.
InventorsHeon Kim, Hee Jung Choi, Yeongrae Chang
Life of this patent
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Abstract
A curable composition for forming a high refractive index optical material including an episulfide compound, a cyclic disulfide compound, and a reducing agent, and an optical material comprising a cured product of the curable composition.
Claims18
A curable composition for forming a high refractive index optical material comprising:
- an episulfide compound;
- a cyclic disulfide compound containing one or more repeating units represented by the following Chemical Formula 1;
- and a reducing agent,
- wherein in the Chemical Formula 1,
- Ar1 is a heteroarylene having 2 to 30 carbon atoms and containing at least one of nitrogen (N) and sulfur (S) atoms, and
- n is an integer of 1 to 5.
3 more elements
An optical material including a cured product of a composition, the composition comprises:
- an episulfide compound;
- a cyclic disulfide compound containing at least one repeating unit of the following Chemical Formula 1;
- and a reducing agent,
- wherein in the Chemical Formula 1,
- Ar1 is a heteroarylene having 2 to 30 carbon atoms and containing at least one of nitrogen (N) and sulfur (S) atoms, and
- n is an integer of 1 to 5.
3 more elements
Dependencies are inferred from the claim text.