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公开(公告)号：EP3858929A1
公开(公告)日：2021-08-04
申请号：EP19864431.2
申请日：2019-09-25
发明人： AWANE, Ryo , HIRAO, Akira , AKAMATSU, Kaori , MIZOBATA, Kaori
IPC分类号： C09J5/00 , C09J7/38 , C09J11/06 , C09J201/00 , H01L21/304
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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公开(公告)号：EP3456792A1
公开(公告)日：2019-03-20
申请号：EP18197333.0
申请日：2016-08-17
发明人： AKAMATSU, Kaori , ISHIGURO, Shigeki , OGINO, Yoshiko , TAKASHIMA, Atsushi , NAGATOMO, Aya , MIZOBATA, Kaori
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：EP3363875A1
公开(公告)日：2018-08-22
申请号：EP16855172.9
申请日：2016-08-17
发明人： AKAMATSU, Kaori , ISHIGURO, Shigeki , OGINO, Yoshiko , TAKASHIMA, Atsushi , NAGATOMO, Aya , MIZOBATA, Kaori
IPC分类号： C09J201/00 , C09J7/00 , C09J11/06 , C09J133/06
CPC分类号： C09J133/10 , C08K5/0075 , C08K5/19 , C08K5/34 , C08K5/372 , C08K5/42 , C08K5/50 , C09J5/00 , C09J7/10 , C09J9/00 , C09J11/06 , C09J133/06 , C09J133/08 , C09J201/00 , C09J2203/326 , C09J2203/33 , C09J2205/102 , C09J2205/302
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：EP4425248A1
公开(公告)日：2024-09-04
申请号：EP22886899.8
申请日：2022-10-21
发明人： SUZUKI, Tatsuya , MIZOBATA, Kaori , SHINYA, Kaori , HONDA, Satoshi , TANAKA, Akiko , MIZUNO, Mizuho , ISHIGURO, Shigeki
IPC分类号： G02F1/13357 , B32B3/30 , B32B7/12 , F21V8/00 , G02B5/00
CPC分类号： B32B3/30 , B32B7/12 , G02B6/00 , G02B5/00 , G02F1/1336
摘要： An optical laminate (100) comprises: a first optical sheet (10) that has a first main surface (12s) with a relief structure thereon and a second main surface (18s) on the reverse side from the first main surface; and a second optical sheet (30) that has a third main surface (32s) disposed on the first main surface side of the first optical sheet. The relief structure of the first main surface includes a plurality of recessed portions (14) and flat portions (10s) that are each between two recessed portions (14) adjacent to one another among the plurality of recessed portions. The third main surface and the flat portions of the first main surface are bonded by covalent bonding with a molecular adhesive (20) therebetween.
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公开(公告)号：EP3591020A1
公开(公告)日：2020-01-08
申请号：EP18760359.2
申请日：2018-03-01
发明人： AKAMATSU, Kaori , MIZOBATA, Kaori , AWANE Ryo , AKAZAWA Koji , YOKOYAMA Junji , HIRAO Akira , SHIMIZU Yosuke , TANAKA Akiko
IPC分类号： C09J201/00 , C09J7/00 , C09J7/20 , C09J9/00 , C09J11/06
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：EP3858932A1
公开(公告)日：2021-08-04
申请号：EP19867143.0
申请日：2019-09-25
发明人： AWANE, Ryo , HIRAO, Akira , AKAMATSU, Kaori , MIZOBATA, Kaori
IPC分类号： C09J7/38 , C09J5/00 , C09J11/06 , C09J201/00 , H01L21/304
摘要： The present invention relates to a separation method for an adherend including: a first voltage application step of applying a voltage to an electrolyte-containing adhesive layer to change an adhesive force so as to generate a potential difference in a thickness direction of the electrolyte-containing adhesive layer in a state where the electrolyte-containing adhesive layer in an adhesive sheet containing at least the electrolyte-containing adhesive layer is allowed to bond to an adherend; a bonding maintenance step of recovering the adhesive force by allowing a predetermined time to elapse in the state where the electrolyte-containing adhesive layer is allowed to bond to the adherend, after the first voltage application step; a second voltage application step of applying a voltage to the electrolyte-containing adhesive layer to change the adhesive force so as to generate a potential difference in the thickness direction of the electrolyte-containing adhesive layer in the state where the electrolyte-containing adhesive layer is allowed to bond to the adherend, after the bonding maintenance step; and a separation step of separating the electrolyte-containing adhesive layer and the adherend.
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公开(公告)号：EP3848434A1
公开(公告)日：2021-07-14
申请号：EP19857048.3
申请日：2019-08-30
IPC分类号： C09J201/00 , C09J11/06 , C09J133/04
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：EP3266837A1
公开(公告)日：2018-01-10
申请号：EP16761699.4
申请日：2016-03-07
发明人： TANI, Kensuke , NAGATA, Mizuho , MIZOBATA, Kaori , SOGA, Masatsugu , MASUDA, Ryota , SATAKE, Masayuki , OKADA, Kenichi , KOSAKA, Naofumi , SHIMOKITA, Keisuke
摘要： Provided is an adhesive member to be adhesively fixed through pressure which has both position adjustability and adhesiveness and is capable of producing a sufficient adhesive strength in addition to the position adjustability. The adhesive member comprises a support, a pressure-sensitive adhesive layer provided on one surface of the support, and a plurality of protrusion elements arranged, in spaced-apart relation to each other, on a principal surface of the pressure-sensitive adhesive layer on a side opposite to the support. Each of the protrusion elements is composed of an aggregation of a plurality of cohesive particles, wherein the adhesive member has a frictional force of 0.4 N/cm 2 or less, with respect to a stainless steel plate serving as an adherend, as measured when the protrusion elements are in contact with a surface of the adherend, and a shear adhesive strength of 45 N/cm 2 or more.
摘要翻译： 本发明提供一种粘接部件，其通过既具有位置调整性又具有粘接性的压力进行粘接固定，并且除了位置调整性以外，还能够产生充分的粘接力。 粘合构件包括支撑体，设置在支撑体的一个表面上的压敏粘合剂层和多个突出元件，所述多个突出元件以相互隔开的关系设置在粘合剂层上的压敏粘合剂层的主表面上 与支撑件相对的一侧。 每个突起元件由多个粘性颗粒的聚集体组成，其中粘附构件相对于用作被粘物的不锈钢板具有0.4N / cm 2或更小的摩擦力， 元件与被粘物的表面接触，并且剪切粘合强度为45N / cm 2或更高。
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公开(公告)号：EP3763797A1
公开(公告)日：2021-01-13
申请号：EP19764917.1
申请日：2019-03-06
发明人： AKAMATSU, Kaori , MIZOBATA, Kaori , AWANE, Ryo , HIRAO, Akira , YOKOYAMA, Junji
IPC分类号： C09J7/38 , B32B27/00 , C09J5/00 , C09J7/22 , C09J201/00
摘要： 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.
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10.发明公开
公开(公告)号：EP3763796A1
公开(公告)日：2021-01-13
申请号：EP19764294.5
申请日：2019-03-06
发明人： AKAMATSU, Kaori , MIZOBATA, Kaori , AWANE, Ryo , HIRAO, Akira , YOKOYAMA, Junji , SHIMIZU, Yosuke
IPC分类号： C09J7/38 , B32B27/00 , C09J5/00 , C09J7/22 , C09J201/00
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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