公开(公告)号：US20250145870A1

公开(公告)日：2025-05-08

申请号：US19008195

申请日：2025-01-02

Applicant: NITTO DENKO CORPORATION

Inventor： Kaori AKAMATSU ,  Kaori MIZOBATA ,  Ryo AWANE ,  Koji AKAZAWA ,  Junji YOKOYAMA ,  Akira HIRAO ,  Yosuke SHIMIZU ,  Akiko TANAKA

IPC: C09J9/00 ,  C08K5/00 ,  C08K5/07 ,  C08K5/17 ,  C08K5/29 ,  C08K5/3472 ,  C08K5/435 ,  C08K5/521 ,  C09J11/06 ,  C09J133/08 ,  C09J133/10

Abstract: An object of the present invention is to provide an electrically debondable composition for forming an electrically debondable adhesive layer suitable for suppressing corrosion of a metal adherend surface. The present invention further provides an adhesive sheet having the electrically debondable adhesive layer, and an adhered body including the adhesive sheet. An electrically debondable composition of the present invention includes a polymer, an ionic liquid, and at least one additive selected from the group consisting of a carbodiimide compound, an adsorptive inhibitor and a chelate-forming metal deactiator.

公开(公告)号：US20220032600A1

公开(公告)日：2022-02-03

申请号：US17280295

申请日：2019-09-25

Applicant: NITTO DENKO CORPORATION

Inventor： Ryo AWANE ,  Akira HIRAO ,  Kaori AKAMATSU ,  Kaori MIZOBATA

IPC: B32B43/00 ,  C09J5/00 ,  C09J9/02

Abstract: A separation method for an adherend according to the present invention allows members to firmly bond to each other by recovery of adhesive force when a predetermined time elapses after a voltage has been applied and can easily separate the adherend by applying the voltage again, and a bonding method for an adherend according to the present invention allows members to firmly bond to each other by recovery of adhesive force when a predetermined time elapses after a voltage has been applied.

公开(公告)号：US20200002581A1

公开(公告)日：2020-01-02

申请号：US16490806

申请日：2018-03-01

Applicant: NITTO DENKO CORPORATION

Inventor： Kaori AKAMATSU ,  Kaori MIZOBATA ,  Ryo AWANE ,  Koji AKAZAWA ,  Junji YOKOYAMA ,  Akira HIRAO ,  Yosuke SHIMIZU ,  Akiko TANAKA

IPC: C09J9/00 ,  C09J133/08 ,  C09J11/06 ,  C08K5/521 ,  C09J133/10

Abstract: An object of the present invention is to provide an electrically debondable composition for forming an electrically debondable adhesive layer suitable for suppressing corrosion of a metal adherend surface. The present invention further provides an adhesive sheet having the electrically debondable adhesive layer, and an adhered body including the adhesive sheet. An electrically debondable composition of the present invention includes a polymer, an ionic liquid, and at least one additive selected from the group consisting of a carbodiimide compound, an adsorptive inhibitor and a chelate-forming metal deactivator.

公开(公告)号：US20240217208A1

公开(公告)日：2024-07-04

申请号：US18610364

申请日：2024-03-20

Applicant: NITTO DENKO CORPORATION

Inventor： Kaori AKAMATSU ,  Kaori MIZOBATA ,  Ryo AWANE ,  Akira HIRAO ,  Junji YOKOYAMA ,  Yosuke SHIMIZU

IPC: B32B7/06 ,  B32B3/04 ,  B32B7/12 ,  B32B27/30 ,  B32B27/36 ,  B32B43/00

CPC classification number: B32B7/06 ,  B32B3/04 ,  B32B7/12 ,  B32B27/308 ,  B32B27/36 ,  B32B43/006 ,  B32B2307/202 ,  B32B2405/00 ,  Y10T428/24752

Abstract: The present invention provides an electrical debonding type adhesive sheet capable of producing a joined body in which a voltage can be stably applied to an electrical debonding type adhesive layer. An electrical debonding type adhesive sheet according to a first embodiment of the present invention includes a first adhesive layer, a substrate for voltage application including an electroconductive layer and a base layer, and a second adhesive layer in this order, and has a first protrudent part, in which the first adhesive layer and the substrate for voltage application extend and protrude with respect to the second adhesive layer, and a second protrudent part, in which the substrate for voltage application extends from the first protrudent part and protrudes with respect to the first adhesive layer.

公开(公告)号：US20230256710A1

公开(公告)日：2023-08-17

申请号：US18178670

申请日：2023-03-06

Applicant: NITTO DENKO CORPORATION

Inventor： Kaori AKAMATSU ,  Kaori MIZOBATA ,  Ryo AWANE ,  Akira HIRAO ,  Junji YOKOYAMA ,  Yosuke SHIMIZU

IPC: B32B7/06 ,  B32B3/04 ,  B32B7/12 ,  B32B27/30 ,  B32B27/36 ,  B32B43/00

CPC classification number: B32B7/06 ,  B32B3/04 ,  B32B7/12 ,  B32B27/308 ,  B32B27/36 ,  B32B43/006 ,  B32B2307/202 ,  B32B2405/00 ,  Y10T428/24752

Abstract: The present invention provides an electrical debonding type adhesive sheet capable of producing a joined body in which a voltage can be stably applied to an electrical debonding type adhesive layer. An electrical debonding type adhesive sheet according to a first embodiment of the present invention includes a first adhesive layer, a substrate for voltage application including an electroconductive layer and a base layer, and a second adhesive layer in this order, and has a first protrudent part, in which the first adhesive layer and the substrate for voltage application extend and protrude with respect to the second adhesive layer, and a second protrudent part, in which the substrate for voltage application extends from the first protrudent part and protrudes with respect to the first adhesive layer.

公开(公告)号：US20220112410A1

公开(公告)日：2022-04-14

申请号：US17280451

申请日：2019-09-25

Applicant: NITTO DENKO CORPORATION

Inventor： Ryo AWANE ,  Akira HIRAO ,  Kaori AKAMATSU ,  Kaori MIZOBATA

IPC: C09J11/06 ,  C09J7/29 ,  C09J11/08 ,  C08K5/3445

Abstract: The present invention relates to a separation and bonding method for an adherend including: a first bonding step of allowing an adhesive sheet containing at least an electrolyte-containing adhesive layer to bond to a first adherend; a first voltage application step of applying a voltage to the electrolyte-containing adhesive layer to generate a potential difference in a thickness direction of the electrolyte-containing adhesive layer in a state where the electrolyte-containing adhesive layer bonds to the first adherend; a first separation step of separating the adhesive sheet and the first adherend; and a second bonding step of allowing the adhesive sheet separated from the first adherend in the first separation step to bond to a second adherend.

公开(公告)号：US20210002516A1

公开(公告)日：2021-01-07

申请号：US16978246

申请日：2019-03-06

Applicant: NITTO DENKO CORPORATION

Inventor： Kaori AKAMATSU ,  Kaori MIZOBATA ,  Ryo AWANE ,  Akira HIRAO ,  Junji YOKOYAMA

IPC: C09J7/26 ,  B32B43/00 ,  C09J7/38

Abstract: An object of a first embodiment of the present invention is to provide an electrical debonding type adhesive sheet which can be applied while inhibiting the trapping of air bubbles and while easily avoiding surface irregularities, etc., and which gives a joined body that can be easily debonded. The electrical debonding type adhesive sheet according to the first embodiment of the present invention includes a substrate for voltage application, a first adhesive layer, which is constituted of an electrically debondable adhesive and is formed on an electroconductive surface of the substrate for voltage application, and a second adhesive layer, which is formed on the opposite surface of the substrate for voltage application, the electrical debonding type adhesive sheet including a plurality of linked parts and a linking part which links the plurality of linked parts to each other.