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US 10,836,933 B2Granted
Adhesive layer and adhesive sheet
AssigneeDai Nippon Printing Co., Ltd.
InventorsTakahisa Taniguchi, Kentaro Hoshi
Life of this patent
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Abstract
A repairing or reinforcement method includes applying, to concrete, a pressure-sensitive or bonding adhesive sheet containing a first pressure-sensitive or bonding adhesive layer; and curing the first adhesive layer such that a first surface of the first adhesive layer is bonded to the concrete. The first adhesive layer contains an acrylic resin having a glass transition temperature of 15° C. or below, a liquid epoxy resin, a solid epoxy resin, and a curing agent.
Claims21
A repairing or reinforcement method comprising:
- applying, to concrete, a pressure-sensitive or bonding adhesive sheet containing a first pressure-sensitive or bonding adhesive layer comprising:
- an acrylic resin having a glass transition temperature of 15° C. or below;
- a liquid epoxy resin;
- a solid epoxy resin;
- and
- a curing agent configured to cure the liquid epoxy resin and the solid epoxy resin, wherein the curing agent includes a combination of (i) a curing catalyst that generates a base by ultraviolet or electron beam irradiation and (ii) either a mercapto group-containing curing agent or a phenolic hydroxyl group-containing curing agent;
- and
- curing the first adhesive layer such that a first surface of the first adhesive layer is bonded to the concrete.
5 more elements
Dependencies are inferred from the claim text.