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1. 发明专利

JP2013129704A Optical adhesive sheet 审中-公开
标题翻译：光学胶粘片
公开(公告)号：JP2013129704A
公开(公告)日：2013-07-04
申请号：JP2011278535
申请日：2011-12-20
申请人： Nitto Denko Corp , 日東電工株式会社
发明人： BABA NORIHIDE , KISHIOKA HIROAKI , NONAKA TAKAHIRO , NATSUI MASAYORI , FUMOTO HIROAKI , TAKARADA SHO , SUZUKI TAKASHI
IPC分类号： C09J7/02 , C09J133/06 , C09J133/14 , G02B5/30
CPC分类号： C09J139/06 , C09J133/06 , C09J133/12 , C09J133/14 , C09J133/26
摘要： PROBLEM TO BE SOLVED: To provide an optical adhesive sheet capable of suppressing changes in the electrostatic capacity causing malfunction when applied to optical members.SOLUTION: The optical adhesive sheet contains an adhesive agent layer, and has a relative permittivity of 2 to 8 at a frequency of 1 MHz, and a dielectric tangent of >0 and ≤0.2 at a frequency of 1 MHz. In the optical adhesive sheet, the relative permittivity at a frequency of 1.0×10Hz is preferably 60% of that at a frequency of 1.0×10Hz. The absolute value of a difference in dielectric tangent is preferably ≤0.15 between at a frequency of 1.0×10Hz and at a frequency of 1.0×10Hz.
摘要翻译：要解决的问题：提供一种当应用于光学元件时能够抑制引起故障的静电容量变化的光学粘合片。解决方案：光学粘合片含有粘合剂层，并且在一个频率为1MHz，介质正切值> 0且≤0.2，频率为1MHz。在光学粘合片中，频率1.0×10Hz的相对介电常数优选为1.0×10Hz频率的60％。在1.0×10Hz的频率和1.0×10Hz的频率下，介质切线的差的绝对值优选为≤0.15。

2. 发明专利

JP2012140605A Optical pressure-sensitive adhesive sheet 有权
标题翻译：光敏压敏粘合片
公开(公告)号：JP2012140605A
公开(公告)日：2012-07-26
申请号：JP2011265368
申请日：2011-12-05
申请人： Nitto Denko Corp , 日東電工株式会社
发明人： KATAMI FUSHI , BABA NORIHIDE , TAKARADA SHO , FUJITA MASAHITO , NONAKA TAKAHIRO , KISHIOKA HIROAKI
IPC分类号： C09J7/00 , C09J11/06 , C09J133/00
CPC分类号： C09J7/00 , B32B2457/202 , C08L2312/06 , C09J7/0217 , C09J7/10 , C09J7/385 , C09J133/08 , C09J2201/622 , C09J2203/318 , C09J2205/31 , C09J2433/00 , G02F1/13338 , G02F2202/28 , Y10T428/1059 , Y10T428/1077
摘要： PROBLEM TO BE SOLVED: To provide an excellent optical pressure-sensitive adhesive sheet which has excellent adhesiveness to an optical member, particularly, an optical pressure-sensitive adhesive sheet which exhibits, when used for a capacitance type touch panel, excellent adhesiveness to a member constituting the touch panel without affecting the performnance such as detection sensitivity and response rate of the touch panel.SOLUTION: The optical pressure-sensitive adhesive sheet comprises a pressure-sensitive adhesive layer, wherein relative permittivity at a frequency of 1 MHz is 5-10, and adhesion strength to glass (peel angle: 180°, a tensile rate: 300 mm/min, measured 30 min after laminating the sheet to the glass) is 3-15 N/20 mm.
摘要翻译：要解决的问题：为了提供一种与光学构件，特别是在用于电容式触摸面板时具有优异粘合性的光学粘合片，具有优异的粘附性的优异的光学粘合片涉及构成触摸面板的构件，而不影响触摸面板的检测灵敏度和响应速度等性能。解决方案：光敏粘合片包括压敏粘合剂层，其中在1MHz的频率下的相对介电常数为5-10，对玻璃的粘合强度（剥离角度：180°，拉伸速率： 300mm / min，在将片层压到玻璃上30分钟后测量）为3-15N / 20mm。版权所有（C）2012，JPO＆INPIT

3. 发明专利

JP2009079127A Conductive pressure-sensitive adhesive tape 有权
标题翻译：导电压敏胶带
公开(公告)号：JP2009079127A
公开(公告)日：2009-04-16
申请号：JP2007249449
申请日：2007-09-26
申请人： Nitto Denko Corp , 日東電工株式会社
发明人： NAKAYAMA JUNICHI , KISHIOKA HIROAKI
IPC分类号： C09J7/02 , C09J9/02 , C09J11/04 , C09J133/00 , C09J201/00 , H01B1/00 , H01B1/22 , H05F3/02 , H05K9/00
CPC分类号： C09J133/06 , C08K3/017 , C08K3/08 , C08K7/00 , C08K2201/016 , C09J7/28 , C09J7/385 , C09J2201/606 , C09J2205/102 , C09J2433/00 , H01B1/22 , Y10T428/25 , Y10T428/28
摘要： PROBLEM TO BE SOLVED: To provide a conductive pressure-sensitive adhesive tape excellent in tackiness and conductivity even when the pressure-sensitive adhesive layer is made thin, and having excellent step-absorbing property and causing no lift from the adherend even when the tape is stuck to a step. SOLUTION: The conductive pressure-sensitive adhesive tape has a pressure-sensitive adhesive layer having a thickness of 10 to 30 μm, the layer comprises a pressure-sensitive adhesive that contains a spherical and/or spike-like conductive filler having an aspect ratio of 1.0 to 1.5 by 14 to 45 parts by weight with respect to 100 parts by weight of the whole solid content of the pressure-sensitive adhesive excluding the conductive filler, with the conductive filler occupying 90 wt.% or more in the whole filler in the pressure-sensitive adhesive. Particle sizes d 50 and d 85 of the filler and the pressure-sensitive adhesive layer thickness satisfy a relationship of d 85 >(adhesive layer thickness)>d 50 . COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：即使当压敏粘合剂层变薄时也提供粘合性和导电性优异的导电性粘合带，并且具有优异的分级吸收性，并且即使当粘合剂层磁带被卡住了一步。导电性粘合带具有厚度为10〜30μm的压敏粘合剂层，该层包含含有球形和/或尖状导电填料的压敏粘合剂，其具有相对于除了导电性填料以外的粘合剂的整体固体成分100重量份，导电性填料占整个90重量％以上，纵横比为1.0〜1.5重量份为14〜45重量份填料在压敏粘合剂中。填料的颗粒尺寸d 50 和 85 ，并且压敏粘合剂层厚度满足d 85 >（粘合剂层厚度）> d 50 。版权所有（C）2009，JPO＆INPIT

4. 发明专利

JP2007326945A Pressure-sensitive adhesive sheet for application to metal surface 有权
标题翻译：用于金属表面的压敏粘合片
公开(公告)号：JP2007326945A
公开(公告)日：2007-12-20
申请号：JP2006158664
申请日：2006-06-07
申请人： Nitto Denko Corp , 日東電工株式会社
发明人： IGUCHI SHINJI , OKAMOTO MASAYUKI , KISHIOKA HIROAKI
IPC分类号： C09J7/00 , C09J11/06 , C09J133/06 , C09J135/00 , C09J175/04
摘要： PROBLEM TO BE SOLVED: To provide a pressure-sensitive adhesive sheet for application to a metal surface that does not erode the metal surface, enables to strip the sheet from the metal surface without damaging the surface, and has superior adhesion reliability and good optical property. SOLUTION: This pressure-sensitive adhesive sheet has an adhesive layer comprising a copolymer made from following components (a)-(c) as a base polymer, and following components (d) and (e). Component (a): an acrylic monomer represented by formula (1); CH 2 =C(R 1 )COOR 2 (wherein R 1 is a hydrogen atom or a methyl group, and R 2 is a 2-14C alkyl group). Component (b): a maleimide compound represented by formula (2) (wherein R 3 is a hydrogen atom or a monovalent organic group). Component (c): a monomer that has no carboxy group and is copolymerizable with the component (a) and (b). Component (d): an amine compound containing ≥2 hydroxy groups. Compound (e): a compound containing ≥2 isocyanate groups. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种用于不侵蚀金属表面的金属表面的压敏粘合片，能够在不破坏表面的情况下从金属表面剥离片材，并且具有优异的粘附可靠性和良好的光学性能。解决方案：该压敏粘合片具有包含由以下组分（a） - （c）作为基础聚合物和以下组分（d）和（e）制备的共聚物的粘合剂层。组分（a）：由式（1）表示的丙烯酸单体; CH 2其中R 1是氢原子或甲基（CH 2），R 2 SP 2是2-14C烷基）。组分（b）：由式（2）表示的马来酰亚胺化合物（其中R 3为氢原子或一价有机基团）。成分（c）：不具有羧基且可与（a）和（b）成分共聚的单体。组分（d）：含有≥2个羟基的胺化合物。化合物（e）：含有≥2个异氰酸酯基团的化合物。版权所有（C）2008，JPO＆INPIT

5. 发明专利

JP2005015524A Pressure-sensitive adhesive composition and pressure-sensitive adhesive product 有权
标题翻译：压敏粘合剂和压敏粘合剂产品
公开(公告)号：JP2005015524A
公开(公告)日：2005-01-20
申请号：JP2003178393
申请日：2003-06-23
申请人： Nitto Denko Corp , 日東電工株式会社
发明人： TOZAKI YUTAKA , KISHIOKA HIROAKI
IPC分类号： C09J7/00 , C08L33/02 , C09J4/02 , C09J7/02 , C09J133/00 , C09J133/02 , C09J133/08 , C09J145/00
CPC分类号： C09J133/02 , C08L33/02 , C08L2205/02 , C08L2666/04
摘要： PROBLEM TO BE SOLVED: To provide a pressure-sensitive adhesive composition excellent in transparency and lifting/peeling prevention.
SOLUTION: The pressure-sensitive adhesive composition contains an acrylic polymer (a) and an oligomer (b). The acrylic polymer (a) contains as the main monomer component an alkyl (meth)acrylate having a 4-12C alkyl group and as a monomer component a carboxy-group-containing monomer in an amount of 1-10 pts.wt. based on 100 pts.wt. total monomer components and has a wt. average mol.wt. of 500,000-900,000. The oligomer (b) contains as the main component a cyclic-structured ethylenically unsaturated monomer giving, when homopolymerized, a homopolymer having a glass transition temperature of 60-190°C, also contains as a monomer component a carboxy-group-containing monomer in an amount of 1-10 pts.wt. based on 100 pts.wt. total monomer components, and has a wt. average mol.wt. of 3,000-6,000. Preferably, the wt. ratio of the oligomer (b) to the acrylic polymer (a) is (10-35)/100.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供透明性和提升/剥离防止性优异的压敏粘合剂组合物。解决方案：压敏粘合剂组合物含有丙烯酸类聚合物（a）和低聚物（b）。丙烯酸类聚合物（a）以1-10重量份的量含有作为主要单体组分的具有4-12个C烷基的（甲基）丙烯酸烷基酯和作为单体组分的含羧基单体。基于100重量总单体成分，重量百分比。平均重量 50万至90万。低聚物（b）含有作为主要成分的环状结构烯键式不饱和单体，当均聚时，得到玻璃化转变温度为60-190℃的均聚物，还含有作为单体成分的含羧基单体，量1-10磅基于100重量总单体组分，并且具有wt。平均重量 3,000-6,000。优选地，低聚物（b）与丙烯酸类聚合物（a）的比例为（10-35）/ 100。版权所有（C）2005，JPO＆NCIPI

6. 发明专利

JP2015004048A 光学用粘着剤層、粘着シート、光学部材、及びタッチパネル审中-公开
标题翻译：光学粘合层，粘合片，光学构件和触控面板
公开(公告)号：JP2015004048A
公开(公告)日：2015-01-08
申请号：JP2013269061
申请日：2013-12-26
申请人：日東電工株式会社 , Nitto Denko Corp
发明人： KATAMI FUSHI , NONAKA TAKAHIRO , KISHIOKA HIROAKI
IPC分类号： C09J7/00 , C09J11/06 , C09J133/04 , C09J133/14 , G06F3/041
摘要：【課題】うねりの発生を抑制でき、接着信頼性及び透明性を高度に保ちつつ腐食防止効果に優れた光学部材、並びに、そのような光学部材を効率よく低コストで製造できる粘着剤層及び粘着シートを提供する。【解決手段】本発明は、ベースポリマーと防錆剤とを含有し、上記ベースポリマーが、構成するモノマー成分として酸性基含有モノマーを含有しない又は実質的に含有せず、85℃の弾性率が5.0?104Pa以上であることを特徴とする光学用粘着剤層を提供する。【選択図】なし
摘要翻译：要解决的问题：为了提供能够防止波纹发生的光学构件，具有优异的防腐蚀性，同时保持高的粘合可靠性和透明度，并且还提供能够有效地制造这种光学构件的粘合剂层和粘合片低成本。解决方案：光学粘合剂层包括基础聚合物和防锈剂。基体聚合物不含或基本上不含有酸性基团的单体作为构成单体成分，在85℃下的弹性模量为5.0×10Pa以上。

7. 发明专利

JP2013104006A Pressure-sensitive adhesive sheet 有权
标题翻译：压敏粘合片
公开(公告)号：JP2013104006A
公开(公告)日：2013-05-30
申请号：JP2011249461
申请日：2011-11-15
申请人： Nitto Denko Corp , 日東電工株式会社
发明人： MURAKAMI AI , KISHIOKA HIROAKI
IPC分类号： C09J7/00 , C09J133/12 , C09J133/14 , G02B5/30
CPC分类号： C09J133/12 , C09J133/066 , C09J139/06
摘要： PROBLEM TO BE SOLVED: To provide a pressure-sensitive adhesive sheet excellent in white turbidity resistance and foaming exfoliation resistance and excellent further in corrosion resistance in a high temperature and high-humidity environment.SOLUTION: The pressure-sensitive adhesive sheet has an adhesive agent layer. The adhesive agent layer contains an acrylic polymer (A). The acrylic polymer (A) is constituted of methyl methacrylate and a hydroxy-containing monomer as essential monomer components. The content of the hydroxy-containing monomer in the total amount (100 wt.%) of the monomer components constituting the acrylic polymer (A) is 10 to 40 wt.%. The monomer components constituting the acrylic polymer (A) do not substantially contain a carboxyl-containing monomer. The gel fraction of the adhesive agent layer is 70 to 100 wt.%.
摘要翻译：要解决的问题：提供在高温高湿环境下，白色混浊度和发泡耐剥离性优异的耐腐蚀性优异的粘合片。解决方案：压敏粘合片具有粘合剂层。粘合剂层含有丙烯酸类聚合物（A）。丙烯酸类聚合物（A）由甲基丙烯酸甲酯和含羟基单体作为必需单体组分构成。构成丙烯酸类聚合物（A）的单体成分的总量（100重量％）中的含羟基单体的含量为10〜40重量％。构成丙烯酸系聚合物（A）的单体成分基本上不含有含羧基的单体。粘合剂层的凝胶分数为70〜100重量％。版权所有（C）2013，JPO＆INPIT

8. 发明专利

JP2013075978A Adhesive sheet 有权
标题翻译：粘合片
公开(公告)号：JP2013075978A
公开(公告)日：2013-04-25
申请号：JP2011216301
申请日：2011-09-30
申请人： Nitto Denko Corp , 日東電工株式会社
发明人： SHIDARA KOJI , IKENAGA HIROKO , KISHIOKA HIROAKI
IPC分类号： C09J7/00 , C09J11/06 , C09J133/04 , C09J133/14
CPC分类号： C09J7/00 , C08K5/3492 , C09J7/385 , C09J133/08 , C09J2201/606 , C09J2201/622 , C09J2205/102 , C09J2433/00
摘要： PROBLEM TO BE SOLVED: To realize a display device or input device having excellent ultraviolet protection property for the touch panel, display element or the like, while retaining optical characteristics, even when a small amount of or no optical film is used.SOLUTION: The adhesive sheet has a total light transmittance of 85% or more, a light transmittance at a wavelength of 380 nm of 5% or less, and a haze of 3% or less. The adhesive sheet preferably includes a pressure-sensitive adhesive layer containing an acrylic polymer and a triazine-based ultraviolet absorber.
摘要翻译：要解决的问题：即使在使用少量或不使用光学膜的情况下，也能够在保持光学特性的同时实现对触摸面板，显示元件等具有优异的紫外线防护性能的显示装置或输入装置。解决方案：粘合片的总透光率为85％以上，波长380nm的透光率为5％以下，雾度为3％以下。粘合片优选包括含有丙烯酸类聚合物和三嗪类紫外线吸收剂的压敏粘合剂层。版权所有（C）2013，JPO＆INPIT

9. 发明专利

JP2012173354A Adhesive sheet for optical use 有权
标题翻译：胶粘剂用于光学用途
公开(公告)号：JP2012173354A
公开(公告)日：2012-09-10
申请号：JP2011032493
申请日：2011-02-17
申请人： Nitto Denko Corp , 日東電工株式会社
发明人： FUJITA MASAHITO , KISHIOKA HIROAKI , FUMOTO HIROAKI , NATSUI MASAYORI
IPC分类号： G02B5/30 , C09J7/02 , C09J133/04 , C09J133/14 , C09J139/06
CPC分类号： C09J133/04 , C09J7/22 , C09J7/38 , C09J139/06 , C09J2201/622 , C09J2203/318 , C09J2433/00
摘要： PROBLEM TO BE SOLVED: To provide an adhesive sheet for optical use with a lower dielectric constant and without white turbidity by humidification, and to provide the adhesive sheet for optical use, excellent also in corrosion resistance.SOLUTION: The adhesive sheet for optical use has an adhesive layer with a relative dielectric constant of four or less at frequency 100 kHz, and a moisture percentage of 0.65% by weight or more after being preserving for 120 hours under the environment of 60°C and 95%RH. Preferably, the adhesive sheet for optical use has total light transmittance of 90% or more, and haze of 3% or less.

10. 发明专利

JP2012153788A Optical adhesive sheet 审中-公开
标题翻译：光学胶粘片
公开(公告)号：JP2012153788A
公开(公告)日：2012-08-16
申请号：JP2011013479
申请日：2011-01-25
申请人： Nitto Denko Corp , 日東電工株式会社
发明人： TAKARADA SHO , KISHIOKA HIROAKI , NONAKA TAKAHIRO , KATAMI FUSHI , FUJITA MASAHITO
IPC分类号： C09J7/02 , C09J133/00
CPC分类号： B32B7/12 , B32B2405/00 , C09J7/10 , C09J7/385 , C09J2201/622 , C09J2203/318 , C09J2205/31 , C09J2433/00
摘要： PROBLEM TO BE SOLVED: To provide an optical adhesive sheet excellent in productivity and reduced in the remaining of an air bubble after an autoclave treatment or production of a delayed bubble when laminating the optical adhesive sheet to an optical member.SOLUTION: The optical adhesive sheet has an acrylic adhesive layer, wherein the acrylic adhesive layer is formed by an active energy ray polymerization, the gel fraction of the acrylic adhesive layer is 80 wt.% or less, and the content of a component having a molecular weight of 50,000 or less in a sol content of the acrylic adhesive layer is 20 wt.% or less.

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