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1. 发明申请

US20110287240A1 PRESSURE-SENSITIVE ADHESIVE TAPE 审中-公开
标题翻译：压敏胶带
公开(公告)号：US20110287240A1
公开(公告)日：2011-11-24
申请号：US13073080
申请日：2011-03-28
申请人： Shinsuke IKISHIMA , Naoto HAYASHI , Kooki OOYAMA , Keiji HAYASHI , Shou UCHIDA , Kouhei TAKEDA , Ryohei SAWAZAKI
发明人： Shinsuke IKISHIMA , Naoto HAYASHI , Kooki OOYAMA , Keiji HAYASHI , Shou UCHIDA , Kouhei TAKEDA , Ryohei SAWAZAKI
IPC分类号： C09J7/02 , B32B7/02 , B29C47/06
CPC分类号： B32B7/12 , B32B7/02 , B32B27/08 , B32B27/16 , B32B27/302 , B32B27/304 , B32B27/306 , B32B27/308 , B32B27/32 , B32B27/34 , B32B27/36 , B32B27/365 , B32B27/40 , B32B2274/00 , B32B2307/732 , B32B2405/00 , C09J7/381 , C09J2201/36 , C09J2453/00 , Y10T428/24967 , Y10T428/269
摘要： Provided is a novel pressure-sensitive adhesive tape having a moderately weak adhesion during a time period from a production process (during its production) to the time of the accomplishment of the product as a result of the completion of the production (immediately after the production). Accordingly, the peeling failure, or the like, resulting from strong adherence of a pressure-sensitive adhesive layer to a roll or the like at the time of the production can be sufficiently suppressed. As a result, stable product supply can be performed. In addition, even after the lapse of about a half day from immediately after the production, the pressure-sensitive adhesive tape can be easily rewound. On the other hand, the pressure-sensitive adhesive tape can express a sufficiently strong adhesion for an adherend after the lapse of a predetermined time from the production (e.g., at the time of its use). The pressure-sensitive adhesive tape of the present invention includes at least three layers including: a base material layer (A); a first pressure-sensitive adhesive layer (B1); and a second pressure-sensitive adhesive layer (B2) in the stated order, in which: the base material layer (A) contains a thermoplastic resin; the first pressure-sensitive adhesive layer (B1) contains a tackifier at a content of 12 wt % or more; the second pressure-sensitive adhesive layer (B2) contains a tackifier at a content of 10 wt % or less; and the second pressure-sensitive adhesive layer (B2) has a thickness of 10 μm or more.
摘要翻译：提供了一种新的压敏粘合带，其在生产过程（在其生产中）到生产完成（紧随生产之后）完成产品的时间段内具有适度弱的粘合性）。因此，可以充分地抑制在制造时粘合剂层对辊等的强粘附而产生的剥离破坏等。因此，可以实现稳定的产品供应。此外，即使在生产后立即经过约半天之后，也可以容易地卷绕压敏粘合带。另一方面，压敏粘合带在从生产（例如在使用时）经过预定时间之后，可以对被粘物表现出足够强的粘合性。本发明的压敏粘合带包括至少三层，包括：基材层（A）; 第一压敏粘合剂层（B1）; 和第二压敏粘合剂层（B2），其中：基材层（A）含有热塑性树脂; 第一粘合剂层（B1）含有12重量％以上的增粘剂，第二压敏粘合剂层（B2）含有10重量％以下的增粘剂，第二粘合剂层（B2）的厚度为10μm以上。

2. 发明申请

US20110129643A1 SURFACE PROTECTIVE SHEET 审中-公开
标题翻译：表面保护表
公开(公告)号：US20110129643A1
公开(公告)日：2011-06-02
申请号：US12956063
申请日：2010-11-30
申请人： Shou UCHIDA , Ryohei SAWAZAKI , Keiji HAYASHI , Kouhei TAKEDA
发明人： Shou UCHIDA , Ryohei SAWAZAKI , Keiji HAYASHI , Kouhei TAKEDA
IPC分类号： C09J7/02 , B32B3/00 , B32B5/00
CPC分类号： C09J153/025 , B32B7/12 , B32B27/30 , B32B27/32 , B32B2571/00 , C09J7/243 , C09J2201/16 , C09J2423/006 , Y10T428/24355 , Y10T428/265 , Y10T428/2848
摘要： Provided is a novel surface protective sheet including a pressure-sensitive adhesive layer on a supporting base material, in which the pressure-sensitive adhesive layer has a high anchoring force for the supporting base material, and no adhesive residue occurs upon peeling of the surface protective sheet after its attachment to an adherend. The surface protective sheet of the present invention is a surface protective sheet including: a supporting base material; a surface layer (I) as one outermost layer of the supporting base material; and a pressure-sensitive adhesive layer on the surface layer (I), in which: the pressure-sensitive adhesive layer contains a thermoplastic elastomer; and the surface layer (I) contains a linear, low-density polyethylene at the content of more than 50 wt %.
摘要翻译：提供了一种新颖的表面保护片，其在支撑基材上具有压敏粘合剂层，其中压敏粘合剂层对于支撑基材具有高的锚定力，并且在表面保护性剥离时不会发生粘合残留在附着到被粘物之后。本发明的表面保护片是表面保护片，其包括：支撑基材; 表层（I）作为支撑基材的最外层; 和表层（I）上的压敏粘合剂层，其中：压敏粘合剂层含有热塑性弹性体; 并且表面层（I）含有大于50重量％的线性低密度聚乙烯。

3. 发明申请

US20110027531A1 LAMINATED FILM AND PRESSURE-SENSITIVE ADHESIVE TAPE 审中-公开
标题翻译：层压膜和压敏胶带
公开(公告)号：US20110027531A1
公开(公告)日：2011-02-03
申请号：US12829533
申请日：2010-07-02
申请人： Shou UCHIDA , Kouhei Takeda , Ikkou Hanaki , Keiji Hayashi , Shinsuke Ikishima , Naoto Hayashi , Kooki Ooyama
发明人： Shou UCHIDA , Kouhei Takeda , Ikkou Hanaki , Keiji Hayashi , Shinsuke Ikishima , Naoto Hayashi , Kooki Ooyama
IPC分类号： B32B3/10
CPC分类号： B32B27/08 , B32B25/08 , B32B27/18 , B32B27/20 , B32B27/304 , B32B27/306 , B32B27/308 , B32B27/32 , B32B27/36 , B32B27/365 , B32B27/40 , B32B2270/00 , B32B2274/00 , B32B2307/40 , B32B2307/538 , B32B2405/00 , B32B2451/00 , B32B2457/00 , B32B2519/00 , B32B2605/00 , C09J7/29 , C09J2423/046 , C09J2423/106 , C09J2431/006 , Y10T428/24355
摘要： Provided are a laminated film and a pressure-sensitive adhesive tape in each of which a haze value and surface roughness are adjusted without fluctuations in mechanical properties of the entire laminated film or pressure-sensitive adhesive tape. The laminated film of the present invention is a laminated film including a base material layer and a surface layer, in which the base material layer contains a thermoplastic resin, the surface layer has an arithmetic average surface roughness Ra of 0.5 μm to 2.0 μm, and the laminated film has a haze value of 13.5% to 80%.
摘要翻译：提供了层叠膜和压敏粘合带，其中每个层叠膜和粘合带的整个层压膜或压敏粘合带的机械性能没有波动地调节雾度值和表面粗糙度。本发明的层叠膜是包含基材层和表层的层压膜，其中基材层含有热塑性树脂，表面层的算术平均表面粗糙度Ra为0.5μm〜2.0μm，以及层叠膜的雾度值为13.5％〜80％。

4. 发明申请

US20110020637A1 LAMINATED FILM AND PRESSURE-SENSITIVE ADHESIVE TAPE 审中-公开
标题翻译：层压膜和压敏胶带
公开(公告)号：US20110020637A1
公开(公告)日：2011-01-27
申请号：US12829640
申请日：2010-07-02
申请人： Shinsuke IKISHIMA , Ikkou HANAKI , Shou UCHIDA , Kouhei TAKEDA , Keiji HAYASHI , Kooki OOYAMA , Naoto HAYASHI
发明人： Shinsuke IKISHIMA , Ikkou HANAKI , Shou UCHIDA , Kouhei TAKEDA , Keiji HAYASHI , Kooki OOYAMA , Naoto HAYASHI
IPC分类号： B32B27/00 , C09J7/02 , B32B27/32
CPC分类号： B32B27/08 , B32B27/18 , B32B27/20 , B32B27/304 , B32B27/306 , B32B27/308 , B32B27/32 , B32B27/34 , B32B27/36 , B32B27/365 , B32B27/40 , B32B2250/24 , B32B2264/10 , B32B2270/00 , B32B2307/308 , B32B2307/40 , B32B2307/538 , B32B2405/00 , B32B2451/00 , B32B2457/00 , B32B2519/00 , B32B2605/00 , C09J7/29 , C09J2423/006 , C09J2431/006 , Y10T428/24355 , Y10T428/265 , Y10T428/2848 , Y10T428/31504 , Y10T428/31931
摘要： Provided is a laminated film and a pressure-sensitive adhesive tape in each of which a difference between an image clarity in a lengthwise direction and an image clarity in a widthwise direction is small and hence the distortion of transmitted light is small, and desired mechanical properties are substantially free of reduction. The laminated film of the present invention is a laminated film including a base material layer, and a surface layer, in which the base material layer contains a thermoplastic resin, and the absolute value of a difference between an image clarity in the lengthwise direction of the laminated film and an image clarity in the widthwise direction of the laminated film is 10% or less.
摘要翻译：本发明提供一种层叠膜和粘合带，其中，长度方向上的图像透明度和宽度方向的图像清晰度之间的差异小，因此透射光的变形小，并且期望的机械性能基本上没有减少。本发明的层叠膜是包含基材层和基材层含有热塑性树脂的表层的层压膜，其中，在基材层的长度方向上的图像透明度之间的差绝对值叠层膜的宽度方向的图像透明度为10％以下。

5. 发明申请

US20130302602A1 ADHESIVE SHEET 审中-公开
标题翻译：粘合片
公开(公告)号：US20130302602A1
公开(公告)日：2013-11-14
申请号：US13981243
申请日：2012-01-10
申请人： Kouhei Takeda , Shinsuke Ikishima , Yuki Kato
发明人： Kouhei Takeda , Shinsuke Ikishima , Yuki Kato
IPC分类号： C09J7/02
CPC分类号： C08L53/02 , B32B7/12 , B32B27/08 , B32B27/302 , B32B27/308 , B32B27/32 , B32B2250/24 , B32B2274/00 , B32B2405/00 , C08F297/026 , C08L23/14 , C09J7/381 , C09J123/14 , C09J133/06 , C09J153/00 , C09J2201/36 , C09J2203/318 , C09J2423/00 , C09J2453/00 , Y10T428/2848
摘要： Provided is a pressure-sensitive adhesive sheet formed of at least three layers, including a backing layer (A), a first pressure-sensitive adhesive layer (B1), and a second pressure-sensitive adhesive layer (B2) in the stated order, in which the pressure-sensitive adhesive sheet has high interlayer adhesiveness. Specifically provided is a first pressure-sensitive adhesive sheet, which is a pressure-sensitive adhesive sheet formed of at least three layers, including a backing layer (A), a first pressure-sensitive adhesive layer (B1), and a second pressure-sensitive adhesive layer (B2) in the stated order, in which: the backing layer (A) contains a thermoplastic resin; the first pressure-sensitive adhesive layer (B1) contains at least one kind selected from an α-olefin-based thermoplastic elastomer and a styrene-based thermoplastic elastomer; and the second pressure-sensitive adhesive layer (B2) contains an acrylic block copolymer containing an acrylic acid ester block structure and a methacrylic acid ester block structure.
摘要翻译：本发明提供一种按照上述顺序由至少三层形成的压敏粘合片，其中包括背衬层（A），第一粘合剂层（B1）和第二粘合剂层（B2）其中压敏粘合片具有高的层间粘合性。具体地提供了第一粘合片，其是由至少三层形成的压敏粘合片，其包括背衬层（A），第一压敏粘合剂层（B1）和第二压敏粘合剂层粘合剂层（B2），其中背衬层（A）含有热塑性树脂; 第一粘合剂层（B1）含有选自α-烯烃类热塑性弹性体和苯乙烯类热塑性弹性体中的至少一种，第二粘合剂层（B2）含有含有丙烯酸酯嵌段结构和甲基丙烯酸酯嵌段结构的丙烯酸系嵌段共聚物。

6. 发明申请

US20120196171A1 LAMINATE FOR NONAQUEOUS BATTERY 审中-公开
标题翻译：不锈钢电池层压板
公开(公告)号：US20120196171A1
公开(公告)日：2012-08-02
申请号：US13348683
申请日：2012-01-12
申请人： Shinsuke IKISHIMA , Tadatoshi NAKANISHI , Kouhei TAKEDA , Toshio SHINTANI
发明人： Shinsuke IKISHIMA , Tadatoshi NAKANISHI , Kouhei TAKEDA , Toshio SHINTANI
IPC分类号： H01M10/02
CPC分类号： C09J7/241 , C09J7/22 , C09J7/38 , C09J2423/00
摘要： Laminate for nonaqueous battery having moderate adhesion in which a nonaqueous electrolytic solution is sealed capable of improving the suitability of electrodes packed into a battery case without reduction in battery output and preventing a short circuit between the electrodes caused by the penetration of a burr or the like on an electrode plate through a separator and capable of suppressing reduction of adhesion in nonaqueous electrolytic solution and suppressing the deterioration of the nonaqueous electrolytic solution and having such a cohesive strength that when it is used in the form of a tape, a pressure-sensitive adhesive layer does not squeeze out of a base material layer and formed of at least two layers: a base material layer (A) containing a polyolefin-based thermoplastic resin; (B) containing an α-olefin-based thermoplastic resin in the stated order.
摘要翻译：具有中等粘合性的非水电池用层叠体，其中密封非水电解液，能够提高电池壳体的电极的适应性，而不会降低电池输出，并防止由于毛刺等的穿透引起的电极之间的短路在电极板上通过隔片，并且能够抑制非水电解液中的粘附性的降低，并且抑制非水电解液的劣化，并且具有这样的内聚强度，即当以胶带的形式使用压敏粘合剂层不会从基材层挤出并形成为至少两层：含有聚烯烃系热塑性树脂的基材层（A）（B），按照所述顺序含有α-烯烃类热塑性树脂。

7. 发明申请

US20110287253A1 PRESSURE-SENSITIVE ADHESIVE TAPE 审中-公开
标题翻译：压敏胶带
公开(公告)号：US20110287253A1
公开(公告)日：2011-11-24
申请号：US13072983
申请日：2011-03-28
申请人： Naoto HAYASHI , Shinsuke IKISHIMA , Kooki OOYAMA , Keiji HAYASHI , Shou UCHIDA , Kouhei TAKEDA , Ryohei SAWAZAKI
发明人： Naoto HAYASHI , Shinsuke IKISHIMA , Kooki OOYAMA , Keiji HAYASHI , Shou UCHIDA , Kouhei TAKEDA , Ryohei SAWAZAKI
IPC分类号： C09J7/02 , B32B27/32
CPC分类号： C09J7/381 , C09J2201/36 , C09J2453/00 , Y10T428/26 , Y10T428/266 , Y10T428/269 , Y10T428/2848
摘要： Provided is the following novel pressure-sensitive adhesive tape. The pressure-sensitive adhesive tape has a moderately weak adhesion during a time period from a production process (during its production) to the time of the accomplishment of the product as a result of the completion of the production (immediately after the production). Accordingly, the occurrence of a peeling trace, the occurrence of a peeling sound, and the like resulting from strong adherence of a pressure-sensitive adhesive layer to a roll or the like at the time of the production can be sufficiently suppressed. As a result, stable product supply can be performed. On the other hand, the pressure-sensitive adhesive tape can express a sufficiently strong adhesion for an adherend after a lapse of a predetermined time from the production (e.g., at the time of its use). The pressure-sensitive adhesive tape includes at least three layers including: a base material layer (A); a first pressure-sensitive adhesive layer (B1); and a second pressure-sensitive adhesive layer (B2) in the stated order, in which: the base material layer (A) contains a thermoplastic resin; the first pressure-sensitive adhesive layer (B1) contains a tackifier at a content of 12 wt % or more; the second pressure-sensitive adhesive layer (B2) contains a tackifier at a content of 10 wt % or less; and the adhesive strength of the pressure-sensitive adhesive tape immediately after the production for a stainless plate measured in conformity with JIS Z 0237 (2000) is 0.7 N/20 mm or less.
摘要翻译：提供以下新型压敏粘合带。在生产过程（生产期间）到生产完成（生产之后）完成产品的时间段期间，压敏粘合带具有适度弱的粘附性。因此，能够充分地抑制在制造时粘合剂层对辊等的强粘附而产生的剥离痕迹，剥离声等的发生。因此，可以实现稳定的产品供应。另一方面，压敏粘合带在从生产（例如在使用时）经过预定时间之后，可以对被粘物表现出足够强的粘合性。所述压敏粘合带包括至少三层，包括：基材层（A）; 第一压敏粘合剂层（B1）; 和第二压敏粘合剂层（B2），其中：基材层（A）含有热塑性树脂; 第一粘合剂层（B1）含有12重量％以上的增粘剂，第二压敏粘合剂层（B2）含有10重量％以下的增粘剂，并且根据JIS Z 0237（2000）测定的不锈钢板的制造之后的压敏粘合带的粘合强度为0.7N / 20mm以下。

8. 发明申请

US20110244221A1 PRESSURE-SENSITIVE ADHESIVE TAPE 审中-公开
标题翻译：压敏胶带
公开(公告)号：US20110244221A1
公开(公告)日：2011-10-06
申请号：US13025299
申请日：2011-02-11
申请人： Naoto HAYASHI , Shinsuke IKISHIMA , Kooki OOYAMA , Keiji HAYASHI , Shou UCHIDA , Kouhei TAKEDA , Ryohei SAWAZAKI
发明人： Naoto HAYASHI , Shinsuke IKISHIMA , Kooki OOYAMA , Keiji HAYASHI , Shou UCHIDA , Kouhei TAKEDA , Ryohei SAWAZAKI
IPC分类号： B32B7/12 , B32B27/08 , B29C47/06
CPC分类号： B32B7/12 , B32B25/08 , B32B25/16 , B32B27/08 , B32B27/302 , B32B27/304 , B32B27/306 , B32B27/308 , B32B27/32 , B32B27/34 , B32B27/36 , B32B27/40 , B32B2274/00 , B32B2307/538 , B32B2307/712 , B32B2307/732 , B32B2405/00 , C09J7/381 , C09J2201/36 , C09J2453/00 , Y10T428/26 , Y10T428/264 , Y10T428/2848
摘要： Provided is the following novel pressure-sensitive adhesive tape. The pressure-sensitive adhesive tape has a moderately weak adhesion during a time period from a production process (during its production) to the time of the accomplishment of the product as a result of the completion of the production (immediately after the production). Accordingly, a peeling failure and the occurrence of a wrinkle resulting from strong adherence of a pressure-sensitive adhesive layer to a roll or the like at the time of the production can be sufficiently suppressed. As a result, stable product supply can be performed. On the other hand, the pressure-sensitive adhesive tape can express a sufficiently strong adhesion for an adherend after a lapse of a predetermined time from the production (e.g., at the time of its use). The pressure-sensitive adhesive tape includes at least three layers including: a base material layer (A); a first pressure-sensitive adhesive layer (B1); and a second pressure-sensitive adhesive layer (B2) in the stated order, in which: the base material layer (A) contains a thermoplastic resin; the first pressure-sensitive adhesive layer (B1) contains a tackifier at a content of 12 wt % or more; and the second pressure-sensitive adhesive layer (B2) contains a tackifier at a content of 10 wt % or less.
摘要翻译：提供以下新型压敏粘合带。在生产过程（生产期间）到生产完成（生产之后）完成产品的时间段期间，压敏粘合带具有适度弱的粘附性。因此，能够充分地抑制剥离破坏，并且能够充分地抑制在制造时粘合剂层对辊等的强粘附而产生的褶皱的发生。因此，可以实现稳定的产品供应。另一方面，压敏粘合带在从生产（例如在使用时）经过预定时间之后，可以对被粘物表现出足够强的粘合性。所述压敏粘合带包括至少三层，包括：基材层（A）; 第一压敏粘合剂层（B1）; 和第二压敏粘合剂层（B2），其中：基材层（A）含有热塑性树脂; 第一粘合剂层（B1）含有12重量％以上的增粘剂，并且第二压敏粘合剂层（B2）含有10重量％以下的增粘剂。

9. 发明申请

US20110129642A1 SURFACE PROTECTIVE SHEET 审中-公开
标题翻译：表面保护表
公开(公告)号：US20110129642A1
公开(公告)日：2011-06-02
申请号：US12956057
申请日：2010-11-30
申请人： Shou UCHIDA , Ryohei SAWAZAKI , Keiji HAYASHI , Kouhei TAKEDA
发明人： Shou UCHIDA , Ryohei SAWAZAKI , Keiji HAYASHI , Kouhei TAKEDA
IPC分类号： C09J7/02 , B32B27/32
CPC分类号： C09J7/29 , C09J7/241 , Y10T428/24355 , Y10T428/265 , Y10T428/2848
摘要： Provided is a novel surface protective sheet including a pressure-sensitive adhesive layer on a supporting base material, in which the pressure-sensitive adhesive layer has a high anchoring force for the supporting base material, and no adhesive residue occurs upon peeling of the surface protective sheet after its attachment to an adherend. The surface protective sheet of the present invention is a surface protective sheet including: a supporting base material; a surface layer (I) as one outermost layer of the supporting base material; and a pressure-sensitive adhesive layer on the surface layer (I), in which: the pressure-sensitive adhesive layer contains a thermoplastic elastomer; and the surface layer (I) contains a random polypropylene at a content of more than 50 wt %.
摘要翻译：提供了一种新颖的表面保护片，其在支撑基材上具有压敏粘合剂层，其中压敏粘合剂层对于支撑基材具有高的锚定力，并且在表面保护性剥离时不会发生粘合残留在附着到被粘物之后。本发明的表面保护片是表面保护片，其包括：支撑基材; 表层（I）作为支撑基材的最外层; 和表层（I）上的压敏粘合剂层，其中：压敏粘合剂层含有热塑性弹性体; 表面层（I）含有大于50重量％的无规聚丙烯。

10. 发明申请

US20110033699A1 PRESSURE-SENSITIVE ADHESIVE TAPE 审中-公开
公开(公告)号：US20110033699A1
公开(公告)日：2011-02-10
申请号：US12836337
申请日：2010-07-14
申请人： Naoto HAYASHI , Shinsuke Ikishima , Kooki Ooyama , Keiji Hayashi , Shou Uchida , Kouhei Takeda , Ikkou Hanaki
发明人： Naoto HAYASHI , Shinsuke Ikishima , Kooki Ooyama , Keiji Hayashi , Shou Uchida , Kouhei Takeda , Ikkou Hanaki
IPC分类号： C09J7/02
CPC分类号： B32B7/12 , B32B7/06 , B32B25/08 , B32B27/16 , B32B27/18 , B32B27/20 , B32B27/283 , B32B27/302 , B32B27/304 , B32B27/306 , B32B27/308 , B32B27/32 , B32B27/322 , B32B27/34 , B32B27/36 , B32B27/365 , B32B27/40 , B32B2250/24 , B32B2270/00 , B32B2307/50 , B32B2307/748 , B32B2405/00 , C09J7/38 , C09J2201/36 , C09J2201/622 , Y10T428/2839 , Y10T428/2848
摘要： Provided is such a pressure-sensitive adhesive tape as described below, which is capable of protecting the uneven surface of a member having unevenness on its surface. The pressure-sensitive adhesive tape brings together sufficient pressure-sensitive adhesiveness for, and sufficient releasability from, the member. In addition, even upon deformation of the member protected with the pressure-sensitive adhesive tape by, for example, lamination or continuous winding, the uneven shape does not deform and a base material layer in the pressure-sensitive adhesive tape is not damaged. Also provided is a pressure-sensitive adhesive tape useful as such a surface protective film for a prism sheet as described below, which is capable of effectively protecting, for example, a lens surface of a prism sheet having multiple triangle pole-shaped prisms fixed on its surface. The surface protective film brings together sufficient pressure-sensitive adhesiveness for, and sufficient releasability from, the prism sheet. In addition, when the prism sheet protected with the surface protective film is brought into a state such as a laminated state or a continuously wound state, the emergence of irregularity (indentation) in the external appearance of the prism sheet to which the surface protective film is attached can be suppressed. A pressure-sensitive adhesive tape of the present invention is a pressure-sensitive adhesive tape including a base material layer, a first pressure-sensitive adhesive layer, and a second pressure-sensitive adhesive layer in the stated order, in which: the base material layer contains a thermoplastic resin; the storage modulus of the first pressure-sensitive adhesive layer is higher than the storage modulus of the second pressure-sensitive adhesive layer; and a difference between the storage modulus of the first pressure-sensitive adhesive layer at a frequency of 10 Hz and 23° C., and the storage modulus of the second pressure-sensitive adhesive layer at a frequency of 10 Hz and 23° C. is 3×105 Pa or more.

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