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US 2022/0120936 A1Published application
Polymerizable composition for optical material, optical material, and method for producing optical material
AssigneeHoya Lens Thailand Ltd.
InventorsMasahito IGARI, Takumi NAGASAWA, Teruo YAMASHITA, Tsuyoshi WATANABE
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Abstract
The polymerizable composition for an optical material contains an aromatic iso(thio)cyanate compound, a non-aromatic iso(thio)cyanate compound having an unsaturated aliphatic ring, and a polythiol compound.
Claims12
A polymerizable composition for an optical material, comprising:
- an aromatic iso(thio)cyanate compound;
- a non-aromatic iso(thio)cyanate compound having an unsaturated aliphatic ring;
- and
- a polythiol compound.
1 more element
Dependencies are inferred from the claim text.