公开(公告)号：US09829605B2

公开(公告)日：2017-11-28

申请号：US14388926

申请日：2013-03-29

Applicant: NITTO DENKO CORPORATION

Inventor： Tetsurou Takeda ,  Mie Nakata ,  Shunsuke Murayama ,  Tomohiro Yamashita ,  Takeshi Saito ,  Kunihiro Inui

IPC: B32B37/18 ,  B32B37/12 ,  C09J4/00 ,  G02B5/30 ,  G02B1/14 ,  G02B1/18 ,  B32B38/00 ,  G02B1/10 ,  G02B5/20 ,  C08F220/28

CPC classification number: G02B1/14 ,  B32B37/12 ,  B32B37/18 ,  B32B38/0008 ,  B32B38/0036 ,  B32B2037/1253 ,  B32B2307/42 ,  B32B2551/00 ,  C08F2220/283 ,  C09J4/00 ,  G02B1/105 ,  G02B1/18 ,  G02B5/208 ,  G02B5/30 ,  G02B5/3033 ,  Y10T428/24942 ,  Y10T428/24959

Abstract: A polarizing film, comprising a polarizer; transparent protective films with a water-vapor permeability of 150 g/m2/24 hours or less provided on both sides of the polarizer; and adhesive layers each interposed between the polarizer and one of the transparent protective films, wherein the adhesive layers are formed by applying an active energy ray to an active energy ray-curable adhesive composition containing a radically polymerizable compound, and the transparent protective films are bonded to the polarizer with the adhesive layers.

公开(公告)号：US20150116817A1

公开(公告)日：2015-04-30

申请号：US14405994

申请日：2013-06-05

Applicant: NITTO DENKO CORPORATION

Inventor： Kunihiro Inui ,  Takeshi Saito ,  Miki Okamoto ,  Masashi Shinagawa ,  Taiyan Jiang ,  Yasuaki Okada

IPC: G02B5/30 ,  G02B1/12 ,  G02B1/18 ,  C09J4/00 ,  G02B1/14

CPC classification number: G02B5/3033 ,  C09J4/00 ,  C09J7/22 ,  C09J7/30 ,  C09J2203/318 ,  C09J2205/31 ,  C09J2433/00 ,  G02B1/12 ,  G02B1/14 ,  G02B1/18 ,  G02B5/3025

Abstract: An active energy ray-curable adhesive composition comprising radically polymerizable compounds (A), (B) and (C) as curable components, wherein the radically polymerizable compound (A) has an SP value of 29.0 (kJ/m3)1/2 to 32.0 (kJ/m3)1/2; the radically polymerizable compound (B) has an SP value of 18.0 (kJ/m3)1/2 to less than 21.0 (kJ/m3)1/2; the radically polymerizable compound (C) has an SP value of 21.0 (kJ/m3)1/2 to 23.0 (kJ/m3)1/2, and the composition comprises 1.0 to 30.0% by weight of the radically polymerizable compound (A), 35.0 to 98.0% by weight of the radically polymerizable compound (B), and 1.0 to 30.0% by weight of the radically polymerizable compound (C) based on 100% by weight of the total amount of the composition.

Abstract translation: 包含可自由基聚合的化合物（A），（B）和（C）作为可固化组分的活性能量射线固化性粘合剂组合物，其中所述自由基聚合性化合物（A）的SP值为29.0（kJ / m 3）1/2〜 32.0（kJ / m3）1/2; 自由基聚合性化合物（B）的SP值为18.0（kJ / m 3）1/2以上且小于21.0（kJ / m 3）1/2） 自由基聚合性化合物（C）的SP值为21.0（kJ / m 3）1/2〜23.0（kJ / m 3）1/2，组成为自由基聚合性化合物（A）的1.0〜30.0重量％ ，自由基聚合性化合物（B）的35.0〜98.0重量％，自由基聚合性化合物（C）的1.0〜30.0重量％，基于组合物总量的100重量％。

公开(公告)号：US20160152002A1

公开(公告)日：2016-06-02

申请号：US14392175

申请日：2013-10-17

Applicant: NITTO DENKO CORPORATION

Inventor： Kunihiro Inui ,  Takeshi Saito ,  Miki Okamoto ,  Shinsuke Akizuki

IPC: B32B7/12 ,  B32B27/32 ,  B32B37/24 ,  B32B27/08 ,  B32B37/12 ,  B32B27/36 ,  B32B3/26

CPC classification number: B32B7/12 ,  B32B3/263 ,  B32B7/02 ,  B32B27/08 ,  B32B27/308 ,  B32B27/325 ,  B32B27/36 ,  B32B27/365 ,  B32B37/0015 ,  B32B37/12 ,  B32B37/144 ,  B32B37/24 ,  B32B38/0008 ,  B32B38/0036 ,  B32B38/10 ,  B32B2037/1253 ,  B32B2037/243 ,  B32B2255/10 ,  B32B2255/26 ,  B32B2307/202 ,  B32B2307/412 ,  B32B2309/105 ,  B32B2457/20 ,  B32B2457/202 ,  B32B2457/208 ,  C08F2220/283 ,  C09J4/00 ,  G06F3/041 ,  G06F2203/04103

Abstract: A transparent conductive laminated film, comprising a laminated film comprising a plurality of transparent film substrates and a transparent cured adhesive layer having a storage modulus of 1×107 Pa or more at 140° C., wherein the plurality of transparent film substrates include a first transparent film substrate and a second transparent film substrate and are laminated with the transparent cured adhesive layer interposed between adjacent ones of the film substrates; and, a first transparent conductive layer provided on a surface of the first film substrate opposite to the transparent cured adhesive layer.

Abstract translation: 1.一种透明导电性层叠膜，其特征在于，在140℃下，具有包含多个透明膜基板的层叠膜和1×10 7 Pa以上的储能模量的透明固化粘合剂层，其中，所述多个透明膜基板包括第一 透明膜基板和第二透明膜基板，并且与介于相邻的膜基板之间的透明固化粘合剂层层叠; 以及设置在与所述透明固化粘合剂层相对的所述第一膜基板的表面上的第一透明导电层。

公开(公告)号：US20150132567A1

公开(公告)日：2015-05-14

申请号：US14400682

申请日：2013-04-16

Applicant: NITTO DENKO CORPORATION

Inventor： Taiki Shimokuri ,  Kunihiro Inui ,  Toshitaka Takahashi ,  Yousuke Makihata ,  Toshitsugu Hosokawa ,  Takaaki Ishii

IPC: C09J133/08

CPC classification number: C09J133/08 ,  C08F265/06 ,  C09J7/22 ,  C09J7/38 ,  C09J151/003 ,  C09J2201/606 ,  C09J2201/622 ,  C09J2203/318 ,  C09J2433/00 ,  Y10T428/254 ,  C08F2220/1825 ,  C08F220/14 ,  C08F220/06 ,  C08F2230/085 ,  C08F220/18 ,  C08F230/08

Abstract: It is an object of the invention to provide a pressure-sensitive adhesive layer that is designed for an optical film to be less likely to cause depolarization and to have good reworkability and good recyclability. The present invention relates to a pressure-sensitive adhesive layer for an optical film made from an aqueous dispersion-type pressure-sensitive adhesive composition, wherein the aqueous dispersion-type pressure-sensitive adhesive composition contains an emulsion particle having a core-shell structure comprising a shell layer of (A) a (meth)acryl-based copolymer and a core layer of (B) a methacryl-based copolymer in a single emulsion particle, a mixture ratio (A)/(B) (on a solid weight basis) of the (meth)acryl-based copolymer (A) and the methacryl-based copolymer (B) is in the range of 50/50 to 90/10, the emulsion particle in the aqueous dispersion-type pressure-sensitive adhesive composition has a number average particle size of 10 nm to 100 nm.

Abstract translation: 本发明的目的是提供一种设计用于光学薄膜的压敏粘合剂层不太可能引起去极化并且具有良好的再加工性和良好的可再循环性。 本发明涉及一种由水分散型压敏粘合剂组合物制成的用于光学膜的压敏粘合剂层，其中水分散型压敏粘合剂组合物含有具有核 - 壳结构的乳液颗粒，其包含： （A）（甲基）丙烯酸类共聚物的壳层和（B）甲基丙烯酸酯共聚物在单一乳液颗粒中的核心层，混合比（A）/（B）（固体重量） ）（甲基）丙烯酸系共聚物（A）和甲基丙烯酸系共聚物（B）的比例在50/50〜90/10的范围内，水分散型粘合剂组合物中的乳液粒子具有 数均粒径为10nm〜100nm。

公开(公告)号：US20150049380A1

公开(公告)日：2015-02-19

申请号：US14388926

申请日：2013-03-29

Applicant: NITTO DENKO CORPORATION

Inventor： Tetsurou Takeda ,  Mie Nakata ,  Shunsuke Murayama ,  Tomohiro Yamashita ,  Takeshi Saito ,  Kunihiro Inui

IPC: G02B1/10 ,  B32B37/12 ,  B32B37/18 ,  B32B38/00 ,  G02B5/30 ,  G02B5/20

CPC classification number: G02B1/14 ,  B32B37/12 ,  B32B37/18 ,  B32B38/0008 ,  B32B38/0036 ,  B32B2037/1253 ,  B32B2307/42 ,  B32B2551/00 ,  C08F2220/283 ,  C09J4/00 ,  G02B1/105 ,  G02B1/18 ,  G02B5/208 ,  G02B5/30 ,  G02B5/3033 ,  Y10T428/24942 ,  Y10T428/24959

Abstract: A polarizing film, comprising a polarizer; transparent protective films with a water-vapor permeability of 150 g/m2/24 hours or less provided on both sides of the polarizer; and adhesive layers each interposed between the polarizer and one of the transparent protective films, wherein the adhesive layers are formed by applying an active energy ray to an active energy ray-curable adhesive composition containing a radically polymerizable compound, and the transparent protective films are bonded to the polarizer with the adhesive layers.

Abstract translation: 一种偏振膜，包括偏振器; 设置在偏振器两侧的透水性为150g / m 2/24小时以下的透明保护膜; 以及粘合剂层，其各自插入在偏振器和一个透明保护膜之间，其中通过向包含自由基聚合性化合物的活性能量射线固化型粘合剂组合物施加活性能量射线而形成粘合剂层，并且透明保护膜键合 到具有粘合剂层的偏振片。

公开(公告)号：US20140347727A1

公开(公告)日：2014-11-27

申请号：US14368448

申请日：2013-01-08

Applicant: NITTO DENKO CORPORATION

Inventor： Kunihiro Inui ,  Takaaki Ishii ,  Kazuki Murayama ,  Toshitsugu Hosokawa ,  Masayuki Satake

IPC: G02B1/10 ,  C09J7/02 ,  G02B5/30

CPC classification number: G02B1/14 ,  C09J7/385 ,  C09J133/14 ,  C09J2429/006 ,  G02B1/105 ,  G02B1/111 ,  G02B5/3025 ,  G02B5/3083 ,  C08F2220/1825 ,  C08F220/14 ,  C08F220/06 ,  C08F230/02

Abstract: A pressure-sensitive adhesive layer-attached optical film of the present invention comprises an optical film; and a pressure-sensitive adhesive layer and made from an ammonia-containing water-dispersible pressure-sensitive adhesive, wherein the pressure-sensitive adhesive layer has an ammonia content of 10 to 500 μg per 1 g of the pressure-sensitive adhesive layer, and shows a difference of 0 to 500 μg per 1 g of the pressure-sensitive adhesive layer in ammonia content before and after a heat durability test and humidity durability test, and the optical film includes a polarizing film with a degree of polarization of 99.99% or more. The pressure-sensitive adhesive layer-attached optical film has optical properties which are less changeable even in a high-temperature and/or high-humidity environment.

Abstract translation: 本发明的带有粘合剂层的光敏膜包括光学膜; 和由含氨水分散型压敏粘合剂制成的压敏粘合剂层，其中该压敏粘合剂层每1g粘合剂层的氨含量为10〜500μg，以及 在耐热试验和耐湿试验之前和之后，氨含量中每1克压敏粘合剂层的差异为0〜500μg，光学膜包含偏振度为99.99％以上的偏振片，或 更多。 带粘合剂层的光学膜具有甚至在高温和/或高湿度环境中也不太可变的光学性质。

公开(公告)号：US20130078407A1

公开(公告)日：2013-03-28

申请号：US13626159

申请日：2012-09-25

Applicant: NITTO DENKO CORPORATION

Inventor： Taiki Shimokuri ,  Kunihiro Inui ,  Toshitaka Takahashi ,  Yousuke Makihata ,  Toshitsugu Hosokawa ,  Takaaki Ishii

IPC: C09J7/02 ,  B32B33/00 ,  C09J133/10 ,  B05D5/10

CPC classification number: C09J7/0217 ,  C09J7/385 ,  C09J133/08 ,  C09J2201/622 ,  Y10T428/1476

Abstract: An object of the present invention is to provide a method for manufacturing an optical film-forming pressure-sensitive adhesive layer, which can reduce the problem with visibility without a reduction in productivity, such as a reduction in coating speed. A method for manufacturing an optical film-forming pressure-sensitive adhesive layer, comprising the steps of: (1) applying, to a release film, an aqueous dispersion-type pressure-sensitive adhesive including an aqueous dispersion containing a (meth)acryl-based polymer in the form of an aqueous dispersion; and (2) drying the applied aqueous dispersion-type pressure-sensitive adhesive, wherein the aqueous dispersion-type pressure-sensitive adhesive has a viscosity of 0.01 Pa·s to 0.1 Pa·s at a shear rate of 4,000 (l/s), the optical film-forming pressure-sensitive adhesive layer formed on the release film has a surface roughness (Ra) of 10 nm to 40 nm, and the optical film-forming pressure-sensitive adhesive layer has a haze of 1% or less.

Abstract translation: 本发明的目的是提供一种制造光学成膜压敏粘合剂层的方法，其可以在不降低生产率的情况下降低可见度的问题，例如涂布速度的降低。 一种光学成膜压敏粘合剂层的制造方法，其特征在于，包括以下步骤：（1）向脱模膜涂布含有（甲基）丙烯酸系粘合剂层的水性分散体的水性分散型压敏粘合剂， 基于水的分散体形式的聚合物; 和（2）干燥所施加的水性分散型压敏粘合剂，其中水分散型压敏粘合剂在剪切速率为4000（l / s）时具有0.01Pa·s至0.1Pa·s的粘度， 形成在剥离膜上的光学膜形成用粘合剂层的表面粗糙度（Ra）为10nm〜40nm，光学膜形成用粘合剂层的雾度为1％以下。

公开(公告)号：US20160289516A1

公开(公告)日：2016-10-06

申请号：US15036646

申请日：2014-06-10

Applicant: NITTO DENKO CORPORATION

Inventor： Yousuke Makihata ,  Kenichi Okada ,  Toshitaka Takahashi ,  Kayo Shimokawa ,  Taiki Shimokuri ,  Toshitsugu Hosokawa ,  Kunihiro Inui

IPC: C09J133/12 ,  B32B27/06 ,  G02B1/14 ,  B32B7/12 ,  C09J7/02 ,  G02B5/30

CPC classification number: C09J133/12 ,  B32B7/12 ,  B32B27/06 ,  B32B2307/40 ,  C08F265/06 ,  C09J7/385 ,  C09J151/003 ,  C09J2203/318 ,  C09J2483/005 ,  G02B1/14 ,  G02B5/30 ,  G02B5/3033 ,  C08F220/14 ,  C08F2220/1825 ,  C08F2220/1841 ,  C08F220/06 ,  C08F2230/085 ,  C08F2220/185 ,  C08F230/02 ,  C08F230/08 ,  C08F220/18

Abstract: A water-dispersible pressure-sensitive adhesive composition for an optical film includes emulsion particles each having a core-shell structure in which (A) a (meth)acryl copolymer forms a core layer and (B) a (meth)acryl copolymer forms a shell layer in a single emulsion particle, wherein the (meth)acryl copolymer (A) includes a monomer unit derived from an alkyl (meth)acrylate, the (meth)acryl copolymer (B) includes a monomer unit derived from an aromatic ring-containing (meth)acrylic monomer and a monomer unit derived from an alkyl (meth)acrylate, and a content of the monomer unit derived from the aromatic ring-containing (meth)acrylic monomer in the (meth)acryl copolymer (B) is from 1 to 28% by weight based on the total weight of monomer component used to form the (meth)acryl copolymers (A) and (B).

Abstract translation: 用于光学膜的水分散性压敏粘合剂组合物包括各自具有核 - 壳结构的乳液颗粒，其中（A）（甲基）丙烯酸共聚物形成芯层，（B）（甲基）丙烯酸共聚物形成 （甲基）丙烯酸共聚物（A）包含衍生自（甲基）丙烯酸烷基酯的单体单元，（甲基）丙烯酸共聚物（B）包括衍生自芳族环状烯烃共聚物的单体单元， （甲基）丙烯酸系单体和来自（甲基）丙烯酸烷基酯的单体单元，来自（甲基）丙烯酸共聚物（B）中的含芳环的（甲基）丙烯酸系单体的单体单元的含量为 1〜28重量％，基于用于形成（甲基）丙烯酸共聚物（A）和（B）的单体成分的总重量。

公开(公告)号：US09181458B2

公开(公告)日：2015-11-10

申请号：US13626159

申请日：2012-09-25

Applicant: NITTO DENKO CORPORATION

Inventor： Taiki Shimokuri ,  Kunihiro Inui ,  Toshitaka Takahashi ,  Yousuke Makihata ,  Toshitsugu Hosokawa ,  Takaaki Ishii

IPC: B05D5/10 ,  C09J7/02 ,  C09J133/08

CPC classification number: C09J7/0217 ,  C09J7/385 ,  C09J133/08 ,  C09J2201/622 ,  Y10T428/1476

Abstract: An object of the present invention is to provide a method for manufacturing an optical film-forming pressure-sensitive adhesive layer, which can reduce the problem with visibility without a reduction in productivity, such as a reduction in coating speed. A method for manufacturing an optical film-forming pressure-sensitive adhesive layer, comprising the steps of: (1) applying, to a release film, an aqueous dispersion-type pressure-sensitive adhesive including an aqueous dispersion containing a (meth)acryl-based polymer in the form of an aqueous dispersion; and (2) drying the applied aqueous dispersion-type pressure-sensitive adhesive, wherein the aqueous dispersion-type pressure-sensitive adhesive has a viscosity of 0.01 Pa·s to 0.1 Pa·s at a shear rate of 4,000 (l/s), the optical film-forming pressure-sensitive adhesive layer formed on the release film has a surface roughness (Ra) of 10 nm to 40 nm, and the optical film-forming pressure-sensitive adhesive layer has a haze of 1% or less.

Abstract translation: 本发明的目的是提供一种制造光学成膜压敏粘合剂层的方法，其可以在不降低生产率的情况下降低可见度的问题，例如涂布速度的降低。 一种光学成膜压敏粘合剂层的制造方法，其特征在于，包括以下步骤：（1）向脱模膜涂布含有（甲基）丙烯酸系粘合剂层的水性分散体的水性分散型压敏粘合剂， 基于水的分散体形式的聚合物; 和（2）干燥所施加的水性分散型压敏粘合剂，其中水分散型压敏粘合剂在剪切速率为4000（l / s）时具有0.01Pa·s至0.1Pa·s的粘度， 形成在剥离膜上的光学膜形成用粘合剂层的表面粗糙度（Ra）为10nm〜40nm，光学膜形成用粘合剂层的雾度为1％以下。

公开(公告)号：US20150203720A1

公开(公告)日：2015-07-23

申请号：US14673465

申请日：2015-03-30

Applicant: NITTO DENKO CORPORATION

Inventor： Kunihiro Inui ,  Masayuki Satake ,  Toshitsugu Hosokawa ,  Takaaki Ishii ,  Yoshiaki Kitani ,  Toshitaka Takahashi ,  Yousuke Makihata ,  Yoshihiro Kitamura

IPC: C09J7/02 ,  B05D3/00 ,  B05D5/00

CPC classification number: B05D5/00 ,  B05D3/007 ,  C09J7/385 ,  C09J2201/622 ,  C09J2203/318 ,  Y10T428/28 ,  Y10T428/2891

Abstract: A pressure-sensitive adhesive optical film of the invention includes an optical film; and a pressure-sensitive adhesive layer placed on at least one side of the optical film, wherein the pressure-sensitive adhesive layer is a product formed by applying a pressure-sensitive adhesive coating liquid having a dissolved oxygen concentration of 0.02 to 3 mg/L and then drying the pressure-sensitive adhesive coating liquid. The pressure-sensitive adhesive optical film can satisfy heat durability, humidity durability, and high contrast.

Abstract translation: 本发明的粘合型光学膜包括光学膜; 以及设置在所述光学膜的至少一侧的压敏粘合剂层，其中，所述压敏粘合剂层是通过涂布溶解氧浓度为0.02〜3mg / L的压敏粘合剂涂布液而形成的产品 然后干燥压敏粘合剂涂布液。 粘合型光学薄膜可以满足耐热性，耐湿性，高对比度。