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公开(公告)号：US20210277286A1
公开(公告)日：2021-09-09
申请号：US17272958
申请日：2019-08-30
IPC分类号： C09J7/30 , C09J7/29 , C09J11/06 , C09J9/00 , C09J133/08
摘要： The present invention relates to an adhesive composition containing at least a polymer and an ionic liquid, in which when an adhesive layer is formed of a composition composed of components other than the ionic liquid among components contained in the adhesive composition, the adhesive layer has a relative permittivity of 5 or more at a frequency of 100 Hz, after being left to stand in an environment of 22° C. and 20% RH for 3 days.
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公开(公告)号：US20220032600A1
公开(公告)日：2022-02-03
申请号：US17280295
申请日：2019-09-25
发明人： Ryo AWANE , Akira HIRAO , Kaori AKAMATSU , Kaori MIZOBATA
摘要： 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.
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公开(公告)号：US20200002581A1
公开(公告)日：2020-01-02
申请号：US16490806
申请日：2018-03-01
发明人： Kaori AKAMATSU , Kaori MIZOBATA , Ryo AWANE , Koji AKAZAWA , Junji YOKOYAMA , Akira HIRAO , Yosuke SHIMIZU , Akiko TANAKA
IPC分类号： C09J9/00 , C09J133/08 , C09J11/06 , C08K5/521 , C09J133/10
摘要： 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.
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公开(公告)号：US20180305593A1
公开(公告)日：2018-10-25
申请号：US15768786
申请日：2016-08-17
发明人： Kaori AKAMATSU , Shigeki ISHIGURO , Yoshiko OGINO , Atsushi TAKASHIMA , Aya NAGATOMO , Kaori MIZOBATA
IPC分类号： C09J133/10 , C09J133/08 , C09J11/06 , C08K5/19 , C08K5/50 , C08K5/372
CPC分类号： C09J133/10 , C08K5/19 , C08K5/372 , C08K5/50 , C09J7/00 , C09J11/06 , C09J133/06 , C09J133/08 , C09J201/00 , C09J2203/326 , C09J2203/33
摘要： There is provided an electrically peelable adhesive composition that is for forming an adhesive layer which has high adhesion and can be easily peeled off by applying a voltage for a short time even at a low voltage. In addition, there is provided an adhesive sheet including an adhesive layer formed of the composition that has high adhesion and can be easily peeled off by applying a voltage for a short time even at a low voltage, and a joined body of the adhesive sheet and an adherend. The electrically peelable adhesive composition of the invention includes a polymer and an ionic liquid, in which an anion of the ionic liquid is a bis(fluorosulfonyl)imide anion. A content of the ionic liquid is preferably 0.5 to 30 parts by weight with respect to 100 parts by weight of the polymer.
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公开(公告)号：US20230159799A1
公开(公告)日：2023-05-25
申请号：US17908717
申请日：2021-02-26
发明人： Kaori AKAMATSU , Tatsuya SUZUKI , Mika TAKASHIMA
CPC分类号： C09J133/08 , C09J7/385 , C09J7/28 , B32B15/18 , B32B7/12 , B32B27/36 , B32B15/09 , B32B7/06 , B32B2457/00 , B32B2307/748
摘要： The present invention relates to an adhesive composition containing a polymer and an ionic liquid, in which an exudation amount of the ionic liquid is 0.002 mg/cm2 or more when an adhesive layer formed of the adhesive composition is allowed to adhere to an adherend and then is debonded after applying a voltage of 10 V for 10 seconds.
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公开(公告)号：US20190031929A1
公开(公告)日：2019-01-31
申请号：US16146395
申请日：2018-09-28
发明人： Kaori AKAMATSU , Shigeki ISHIGURO , Yoshiko OGINO , Atsushi TAKASHIMA , Aya NAGATOMO , Kaori MIZOBATA
IPC分类号： C09J133/10 , C08K5/19 , C08K5/372 , C09J11/06 , C09J133/08 , C08K5/50
摘要： There is provided an electrically peelable adhesive composition that is for forming an adhesive layer which has high adhesion and can be easily peeled off by applying a voltage for a short time even at a low voltage. In addition, there is provided an adhesive sheet including an adhesive layer formed of the composition that has high adhesion and can be easily peeled off by applying a voltage for a short time even at a low voltage, and a joined body of the adhesive sheet and an adherend. The electrically peelable adhesive composition of the invention includes a polymer and an ionic liquid, in which an anion of the ionic liquid is a bis(fluorosulfonyl)imide anion. A content of the ionic liquid is preferably 0.5 to 30 parts by weight with respect to 100 parts by weight of the polymer.
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7.发明申请公开(公告)号：US20180265750A1
公开(公告)日：2018-09-20
申请号：US15768794
申请日：2016-08-22
发明人： Kaori AKAMATSU , Aya NAGATOMO , Atsushi TAKASHIMA
CPC分类号： C09J9/02 , B32B7/06 , B32B7/12 , B32B27/00 , B32B27/18 , B32B27/20 , B32B27/30 , B32B27/308 , B32B43/006 , B32B2250/03 , B32B2250/04 , B32B2250/05 , B32B2250/24 , B32B2250/246 , B32B2307/202 , B32B2307/748 , B32B2405/00 , C08K3/16 , C08K5/17 , C08K5/19 , C09J5/00 , C09J7/29 , C09J7/30 , C09J11/04 , C09J11/06 , C09J133/00 , C09J133/08 , C09J201/00 , C09J2201/128 , C09J2203/326 , C09J2205/102 , C09J2205/302 , C09J2433/00 , C08F2220/1825 , C08F220/06
摘要： A double-sided adhesive sheet has a laminate structure including a first adhesive layer containing an electrolyte, a second adhesive layer, and a conduction substrate. A double-sided adhesive sheet joined body includes, for example, an adhesive sheet having such a laminate structure, a first conductive adherend to which the first adhesive layer adheres, and a second adherend to which the second adhesive layer adheres. A method for joining/separating adherends includes joining first and second adherends to each other via the adhesive sheet, then applying a voltage to the first adhesive layer so as to generate a potential difference in a thickness direction of the first adhesive layer, and separating the first and second adherends from each other.
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8.发明公开公开(公告)号：US20240217208A1
公开(公告)日：2024-07-04
申请号：US18610364
申请日：2024-03-20
发明人： Kaori AKAMATSU , Kaori MIZOBATA , Ryo AWANE , Akira HIRAO , Junji YOKOYAMA , Yosuke SHIMIZU
CPC分类号： B32B7/06 , B32B3/04 , B32B7/12 , B32B27/308 , B32B27/36 , B32B43/006 , B32B2307/202 , B32B2405/00 , Y10T428/24752
摘要： 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.
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9.发明公开公开(公告)号：US20230256710A1
公开(公告)日：2023-08-17
申请号：US18178670
申请日：2023-03-06
发明人： Kaori AKAMATSU , Kaori MIZOBATA , Ryo AWANE , Akira HIRAO , Junji YOKOYAMA , Yosuke SHIMIZU
CPC分类号： B32B7/06 , B32B3/04 , B32B7/12 , B32B27/308 , B32B27/36 , B32B43/006 , B32B2307/202 , B32B2405/00 , Y10T428/24752
摘要： 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.
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公开(公告)号：US20220112410A1
公开(公告)日：2022-04-14
申请号：US17280451
申请日：2019-09-25
发明人： Ryo AWANE , Akira HIRAO , Kaori AKAMATSU , Kaori MIZOBATA
IPC分类号： C09J11/06 , C09J7/29 , C09J11/08 , C08K5/3445
摘要： 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.
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