US 11,578,237 B2Granted

Adhesive sheet set and method for producing product

AssigneeDai Nippon Printing Co., Ltd.

InventorsKentaro Hoshi, Anri Takarabe, Tomoyuki Tachikawa

Life of this patent

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Abstract

An adhesive sheet set including a pair of adhesive sheets respectively including an adhesive layer capable of being cured and adhered by being in contact with each other, and a method for producing a product using the same. An adhesive sheet set including a first adhesive sheet and a second adhesive sheet, wherein the first adhesive sheet includes a first separator and a first adhesive layer provided on one surface of the first separator, the second adhesive sheet includes a second separator and a second adhesive layer provided on one surface of the second separator, and the first adhesive sheet and the second adhesive sheet are configured to be cured and adhered by the first adhesive layer and the second adhesive layer being in contact with each other.

Claims18

Dependent claims

An adhesive sheet set comprising:

a first adhesive sheet and
a second adhesive sheet,
wherein:
the first adhesive sheet includes:
a first separator and
a first adhesive layer provided on one surface of the first separator,
the second adhesive sheet includes:
a second separator and
a second adhesive layer provided on one surface of the second separator, wherein the second adhesive layer includes a reactivity imparting component,
among the first adhesive layer and the second adhesive layer, a curable component that is capable of being cured by the reactivity imparting component is only provided in the first adhesive layer,
the first adhesive sheet and the second adhesive sheet are configured to be cured and adhered by the first adhesive layer and the second adhesive layer being in direct contact with each other, and
among the first adhesive layer and the second adhesive layer, a tack force of one adhesive layer is more than a tack force of another adhesive layer.

9 more elements

Dependencies are inferred from the claim text.

Facts

Application: 15/765,438Filed 7 Oct 2016
Priority: JP JP2015-1997837 Oct 2015
Published: US 2019/0010361 A110 Jan 2019
Granted: 14 Feb 2023
Term ends: Not estimatedThe source records don’t support an estimate.

Classification20 codes

C09J 5/04
Adhesive processes in general; Adhesive processes not provided for elsewhere, e.g. relating to primers: involving separate application of adhesive…
C09J 7/10
Adhesives in the form of films or foils: without carriers
C09J 7/30
Adhesives in the form of films or foils: characterised by the adhesive composition
C09J 11/06
Non-macromolecular additives: organic