公开(公告)号：US20140295168A1

公开(公告)日：2014-10-02

申请号：US14117539

申请日：2013-02-28

Applicant: NITTO DENKO CORPORATION

Inventor： Hiroko Ikenaga ,  Tomoyuki Kasagi ,  Shinpei Yakuwa ,  Keiko Akiyama

IPC: H01B17/60 ,  H01B3/42 ,  B32B5/18

CPC classification number: H01B17/60 ,  B32B5/18 ,  B32B5/24 ,  B32B27/065 ,  C08J5/18 ,  C08J9/28 ,  C08J2201/0464 ,  C08J2205/044 ,  C08J2207/06 ,  C08J2379/08 ,  C08J2381/06 ,  H01B3/301 ,  H01B3/306 ,  H01B3/427 ,  Y10T428/249953 ,  Y10T428/249991

Abstract: An object of the present invention is to provide an electrically insulating resin sheet which is excellent in heat resistance and insulating properties and is able to maintain a predetermined shape even after applying an external force to the sheet to deform the sheet into a predetermined shape and removing the external force. An electrically insulating resin sheet having a porosity of 10 to 60%, a stress relaxation ratio of 20% or more when the sheet is extended by 5% at 23° C. and maintained for 10 minutes, and an insulation breakdown voltage of 25 kV/mm or more.

Abstract translation: 本发明的目的是提供一种电绝缘性树脂片，其耐热性和绝缘性优异，即使在向片材施加外力而使片材变形为规定形状并除去之后也能够保持规定的形状 外力。 当在23℃下将片材延伸5％并保持10分钟，并且绝缘击穿电压为25kV时，孔隙率为10〜60％，应力松弛率为20％以上的电绝缘性树脂片 / mm以上。

公开(公告)号：US09580624B2

公开(公告)日：2017-02-28

申请号：US14669035

申请日：2015-03-26

Applicant: NITTO DENKO CORPORATION

Inventor： Koji Shitara ,  Hiroko Ikenaga ,  Hiroaki Kishioka

IPC: C09J133/08 ,  C08K5/3492 ,  C09J7/00 ,  C09J7/02

CPC classification number: C09J7/00 ,  C08K5/3492 ,  C09J7/385 ,  C09J133/08 ,  C09J2201/606 ,  C09J2201/622 ,  C09J2205/102 ,  C09J2433/00

Abstract: The present invention realizes 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. The pressure-sensitive adhesive sheet of the present invention 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 pressure-sensitive adhesive sheet preferably includes a pressure-sensitive adhesive layer containing an acrylic polymer and a triazine-based ultraviolet absorber.

Abstract translation: 本发明即使在使用少量的光学薄膜也不使用光学薄膜的情况下，实现具有优异的触摸面板，显示元件等的紫外线防护性的显示装置或输入装置。 本发明的压敏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系紫外线吸收剂的粘合剂层。

公开(公告)号：US20150329675A1

公开(公告)日：2015-11-19

申请号：US14652627

申请日：2013-12-09

Applicant: NITTO DENKO CORPORATION

Inventor： Yumi Takekawa ,  Shinpei Yakuwa ,  Tomoyuki Kasagi ,  Hiroko Ikenaga

IPC: C08G73/10 ,  C09D179/08

CPC classification number: C08G73/10 ,  C08J9/26 ,  C08J2201/026 ,  C08J2201/0464 ,  C08J2205/044 ,  C08J2207/06 ,  C08J2379/08 ,  C09D179/08 ,  H01B3/306 ,  H01B3/427

Abstract: Provided are: a polyetherimide porous body which has a low relative permittivity and is not easily cracked (or is excellent in cracking resistance) when folded, and a method for producing the porous body. This polyetherimide porous body comprises a polyetherimide crosslinked body and has a gel fraction of 10% or more, an average cell diameter of 8 μm or less, a volume porosity of 30% or more and an insulation breakdown voltage of 30 kV/mm or more.

Abstract translation: 提供：折叠时相对介电常数低且不容易龟裂（或抗裂性优异）的聚醚酰亚胺多孔体及其制造方法。 该聚醚酰亚胺多孔体包含聚醚酰亚胺交联体，凝胶分数为10％以上，平均气泡直径为8μm以下，体积孔隙率为30％以上，绝缘击穿电压为30kV / mm以上 。

公开(公告)号：US09045670B2

公开(公告)日：2015-06-02

申请号：US13628897

申请日：2012-09-27

Applicant: NITTO DENKO CORPORATION

Inventor： Koji Shitara ,  Hiroko Ikenaga ,  Hiroaki Kishioka

IPC: C08K5/34 ,  C08K5/00 ,  B32B27/32 ,  C09J7/02 ,  C08K5/3492

CPC classification number: C09J7/00 ,  C08K5/3492 ,  C09J7/385 ,  C09J133/08 ,  C09J2201/606 ,  C09J2201/622 ,  C09J2205/102 ,  C09J2433/00

Abstract: The present invention realizes 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. The pressure-sensitive adhesive sheet of the present invention 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 pressure-sensitive adhesive sheet preferably includes a pressure-sensitive adhesive layer containing an acrylic polymer and a triazine-based ultraviolet absorber.

Abstract translation: 本发明即使在使用少量的光学薄膜也不使用光学薄膜的情况下，实现具有优异的触摸面板，显示元件等的紫外线防护性的显示装置或输入装置。 本发明的压敏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系紫外线吸收剂的粘合剂层。