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US 12,759,273 B2Granted
Hardcoat film and article and image display device having hardcoat film
AssigneeFUJIFILM Corporation
InventorsYuta Fukushima, Ayako Matsumoto, Tetsu Kitamura, Akio Tamura, Keigo Ueki
Life of this patent
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Abstract
A hardcoat film has a substrate, a hardcoat layer, and a mixed layer in this order. The hardcoat layer contains a cured product of polyorganosilsesquioxane (a1) having an epoxy group. The mixed layer contains a cured product of a compound (b1) having an epoxy group and a cured product of a compound (b2) having two or more (meth)acryloyl groups in one molecule.
Claims12
A hardcoat film comprising:
- a substrate;
- a hardcoat layer;
- a mixed layer;
- and
- an anti-scratch layer in this order,
- wherein:
- the hardcoat layer contains a cured product of polyorganosilsesquioxane (a1) having an epoxy group,
- the mixed layer contains a cured product of a compound (b1) having an epoxy group and a cured product of a compound (b2) having two or more (meth)acryloyl groups in one molecule,
- the anti-scratch layer contains a cured product of a compound (c1) having two or more (meth)acryloyl groups in one molecule,
- the polyorganosilsesquioxane (a1) having an epoxy group and the compound (b1) having an epoxy group are the same compound,
- the compound (b2) having two or more (meth)acryloyl groups in one molecule and the compound (c1) having two or more (meth)acryloyl groups in one molecule are a same compound prior to fully curing of the hardcoat film, and
- the hardcoat layer and the mixed layer are bonded to each other by a covalent bond.
9 more elements
Dependencies are inferred from the claim text.