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US 12,129,395 B2Granted
Composition for forming hard coat layer, and eyeglass lens
AssigneeNikon-Essilor Co., Ltd.
InventorYuka Igami
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Abstract
The present invention provides a composition for forming a hard coat layer, which is capable of forming a hard coat layer that exhibits excellent adhesion to an adjacent layer, while having excellent hardness. A composition for forming a hard coat layer according to the present invention contains: a (meth)acrylate which has at least one group that is selected from the group consisting of a phosphoric acid group and a sulfonic acid group; a silsequioxane which has a radically polymerizable group; and metal oxide particles.
Claims10
A hard coat layer-forming composition comprising:
- a (meth) acrylate having at least one group, and not more than five groups, selected from the group consisting of a phosphate group and a sulfonate group;
- a silsesquioxane having a radical polymerizable group;
- and
- metal oxide particles.
1 more element
Dependencies are inferred from the claim text.