公开(公告)号：US20090022988A1

公开(公告)日：2009-01-22

申请号：US12203447

申请日：2008-09-03

Applicant: Yuusuke Toyama ,  Masayuki Satake ,  Akiko Ogasawara ,  Yutaka Moroishi ,  Fumiko Nakano

Inventor： Yuusuke Toyama ,  Masayuki Satake ,  Akiko Ogasawara ,  Yutaka Moroishi ,  Fumiko Nakano

IPC: B32B7/12

CPC classification number: C09J175/04 ,  C08G18/289 ,  C08G18/6229 ,  C08G18/8022 ,  C08G2170/40 ,  C09J7/22 ,  C09J7/38 ,  C09J7/385 ,  C09J2433/00 ,  Y10T428/1059 ,  Y10T428/24438 ,  Y10T428/28 ,  Y10T428/2826 ,  Y10T428/2887 ,  Y10T428/3175 ,  Y10T428/31797 ,  Y10T428/31909 ,  Y10T428/31913 ,  Y10T428/3192 ,  Y10T442/2738

Abstract: Provided herein is a pressure sensitive adhesive for an optical film comprising: 100 parts by weight of a (meth)acrylic-based polymer (A) including an alkyl (meth)acrylate (a1) and a (meth)acrylic-based monomer containing a hydroxyl group (a2), as a copolymerizable component, in content in the range of from 0.01 to 5 parts by weight relative to 100 parts by weight of the alkyl (meth)acrylate (a1); 0.02 to 2 parts by weight of a peroxide (B); and 0.001 to 2 parts by weight of an isocyanate-based compound (C), the contents of the peroxide (B) and the isocyanate-based compound (C) being values relative to 100 parts by weight of the (meth)acrylic-based polymer (A).

Abstract translation: 本发明提供一种用于光学膜的压敏粘合剂，其包括：100重量份包含（甲基）丙烯酸烷基酯（a1）的（甲基）丙烯酸类聚合物（A）和（甲基）丙烯酸系单体，其包含 相对于100重量份的（甲基）丙烯酸烷基酯（a1），作为可共聚成分的羟基（a2）的含量范围为0.01〜5重量份。 0.02〜2重量份过氧化物（B）; 和0.001〜2重量份的异氰酸酯系化合物（C），过氧化物（B）和异氰酸酯系化合物（C）的含量相对于（甲基）丙烯酸系化合物（C）的100重量份 聚合物（A）。

公开(公告)号：US09557450B2

公开(公告)日：2017-01-31

申请号：US13479406

申请日：2012-05-24

Applicant: Atsushi Yasui ,  Yuusuke Toyama ,  Tomoyuki Kimura ,  Masayuki Satake ,  Shusaku Goto ,  Takeharu Kitagawa ,  Minoru Miyatake ,  Tomohiro Mori ,  Takashi Kamijo

Inventor： Atsushi Yasui ,  Yuusuke Toyama ,  Tomoyuki Kimura ,  Masayuki Satake ,  Shusaku Goto ,  Takeharu Kitagawa ,  Minoru Miyatake ,  Tomohiro Mori ,  Takashi Kamijo

IPC: G02B5/30 ,  G02B1/16 ,  B32B23/08 ,  B32B23/20 ,  B32B27/08 ,  B32B27/30 ,  B32B27/36 ,  C09J7/02 ,  C09J133/06 ,  G02B1/14 ,  G02B1/08 ,  G02F1/1335 ,  C08K3/00 ,  C08K3/24

CPC classification number: G02B1/16 ,  B32B23/08 ,  B32B23/20 ,  B32B27/08 ,  B32B27/306 ,  B32B27/308 ,  B32B27/36 ,  B32B2250/02 ,  B32B2250/03 ,  B32B2250/04 ,  B32B2250/40 ,  B32B2255/10 ,  B32B2255/26 ,  B32B2307/21 ,  B32B2307/4026 ,  B32B2307/412 ,  B32B2307/42 ,  B32B2307/516 ,  B32B2307/702 ,  B32B2307/704 ,  B32B2307/706 ,  B32B2307/708 ,  B32B2457/202 ,  C08K3/105 ,  C08K3/24 ,  C09J7/22 ,  C09J7/29 ,  C09J7/38 ,  C09J133/066 ,  C09J2201/606 ,  C09J2203/318 ,  C09J2205/102 ,  C09J2433/00 ,  G02B1/08 ,  G02B1/14 ,  G02B5/3025 ,  G02B5/3033 ,  G02B5/305 ,  G02F1/133533 ,  C08F2220/1825 ,  C08F2220/185 ,  C08F220/20 ,  C08F2220/301 ,  C08F220/06

Abstract: A pressure-sensitive adhesive layer-attached polarizing film of the invention includes: a polarizing film; and a pressure-sensitive adhesive layer provided on the polarizing film, wherein the polarizing film includes a polarizer and a transparent protective film provided on only one side of the polarizer, the pressure-sensitive adhesive layer is provided on a side of the polarizer where the transparent protective film is absent, and the pressure-sensitive adhesive layer is made of a pressure-sensitive adhesive composition containing a (meth)acryl-based polymer (A) and an alkali metal salt (B). The pressure-sensitive adhesive layer-attached polarizing film has a pressure-sensitive adhesive layer with an antistatic function and satisfactory durability and whose optical properties are less likely to be degraded.

Abstract translation: 本发明的带有粘合剂层的偏光膜包括：偏光膜; 以及设置在所述偏振膜上的压敏粘合剂层，其中所述偏振膜包括偏振片和仅设置在所述偏振片一侧的透明保护膜，所述粘合剂层设置在所述偏振片的一侧， 透明保护膜不存在，并且压敏粘合剂层由含有（甲基）丙烯酸类聚合物（A）和碱金属盐（B）的压敏粘合剂组合物制成。 带有粘合剂层的偏光膜具有抗静电功能和令人满意的耐久性的粘合剂层，其光学性能不太可能劣化。

公开(公告)号：US08980436B2

公开(公告)日：2015-03-17

申请号：US12262771

申请日：2008-10-31

Applicant: Yuusuke Toyama ,  Shinichi Inoue ,  Mizue Nagata ,  Toshitsugu Hosokawa

Inventor： Yuusuke Toyama ,  Shinichi Inoue ,  Mizue Nagata ,  Toshitsugu Hosokawa

IPC: B32B27/30 ,  B32B33/00 ,  C08F2/48 ,  G02B1/10 ,  C09J7/02 ,  C09J133/06

CPC classification number: C09J7/0246 ,  C09J7/22 ,  C09J7/38 ,  C09J133/066 ,  C09J2433/00 ,  Y10T428/1225 ,  Y10T428/14 ,  Y10T428/2809 ,  Y10T428/31928

Abstract: A pressure-sensitive adhesive optical film of the present invention comprises an optical film; and a pressure-sensitive adhesive layer laminated on at least one side of the optical film, wherein the pressure-sensitive adhesive layer is formed from an acrylic pressure-sensitive adhesive comprising a (meth)acrylic polymer comprising 30 to 99.99% by weight of an alkyl(meth)acrylate monomer unit and 0.01 to 15% by weight of a functional group-containing monomer unit, and the (meth)acrylic polymer in the acrylic pressure-sensitive adhesive is crosslinked by electron beam irradiation. The pressure-sensitive adhesive optical film has a high level of reworkability, durability and workability.

Abstract translation: 本发明的粘合型光学膜包括光学膜; 以及层叠在所述光学膜的至少一侧的压敏粘合剂层，其中，所述压敏粘合剂层由包含（甲基）丙烯酸类聚合物的丙烯酸类压敏粘合剂形成，所述（甲基）丙烯酸类聚合物包含30〜99.99重量％ （甲基）丙烯酸烷基酯单体单元和0.01〜15重量％的含官能团的单体单元，并且丙烯酸类压敏粘合剂中的（甲基）丙烯酸类聚合物通过电子束照射而交联。 压敏粘合剂光学膜具有高水平的再加工性，耐久性和可加工性。

公开(公告)号：US08962135B2

公开(公告)日：2015-02-24

申请号：US12255440

申请日：2008-10-21

Applicant: Shinichi Inoue ,  Yuusuke Toyama ,  Mizue Nagata ,  Toshitsugu Hosokawa ,  Yutaka Moroishi ,  Fumiko Nakano

Inventor： Shinichi Inoue ,  Yuusuke Toyama ,  Mizue Nagata ,  Toshitsugu Hosokawa ,  Yutaka Moroishi ,  Fumiko Nakano

IPC: B32B7/12 ,  C09J7/02 ,  C09J133/14

CPC classification number: C09J7/0217 ,  C09J7/385 ,  C09J133/14 ,  G02F2202/28 ,  Y10T428/2891 ,  Y10T428/2896 ,  Y10T428/31551

Abstract: A pressure-sensitive adhesive composition for an optical film of the present invention comprises 100 parts by weight of a (meth)acrylic polymer comprising 45 to 99.99% by weight of an alkyl (meth)acrylate monomer unit and 0.01 to 2% by weight of a tertiary amino group-containing monomer unit; and 0.01 to 2 parts by weight of a peroxide as a crosslinking agent. The pressure-sensitive adhesive composition can form an pressure-sensitive adhesive layer that has satisfactory reworkability such that optical films can be easily peeled from liquid crystal panels with no adhesive residue and also has satisfactory processability such that it can be worked without pressure-sensitive adhesive fouling or dropout.

Abstract translation: 本发明的光学膜用粘合剂组合物包含100重量份由（甲基）丙烯酸烷基酯单体单元组成的45-99.99重量％的（甲基）丙烯酸系聚合物和0.01〜2重量％ 含叔氨基的单体单元; 和0.01〜2重量份作为交联剂的过氧化物。 压敏粘合剂组合物可以形成具有良好的再加工性的压敏粘合剂层，使得光学膜可以容易地从液晶面板剥离而没有粘合残留物，并且还具有令人满意的加工性，使得其可以在没有压敏粘合剂的情况下加工 结垢或辍学

公开(公告)号：US08962072B2

公开(公告)日：2015-02-24

申请号：US13823492

申请日：2011-12-13

Applicant: Yuusuke Toyama ,  Atsushi Yasui ,  Tomoyuki Kimura ,  Masayuki Satake

Inventor： Yuusuke Toyama ,  Atsushi Yasui ,  Tomoyuki Kimura ,  Masayuki Satake

IPC: B05D5/06 ,  B05D5/10 ,  C09D7/00 ,  C09J7/02

CPC classification number: B05D5/10 ,  C09D7/20 ,  C09J7/50 ,  C09J2433/003 ,  C09J2465/003

Abstract: A method for production of an adhesive optical film comprises the step of forming an anchor layer by applying an anchor layer-forming coating liquid to the optical film to form a coating with a thickness of 20 μm or less before drying, wherein the anchor layer-forming coating liquid contains a mixed solvent composed mainly of water and an alcohol, and a binder resin, and by drying the coating under drying conditions satisfying both of the following requirements: (1) the drying temperature T is between 40° C. and 70° C.; and (2) the value (T×H) obtained by multiplying the drying temperature T (° C.) by the drying time H (seconds) satisfies the relation 400≦(T×H)≦4,000 to remove the mixed solvent.

Abstract translation: 制造粘合型光学薄膜的方法包括以下步骤：通过在光学薄膜上施加锚定层形成涂布液以形成干燥前厚度为20μm以下的涂层形成锚定层，其中， 成型涂布液含有主要由水和醇组成的混合溶剂和粘合剂树脂，并且在满足以下两个条件的干燥条件下干燥涂层：（1）干燥温度T在40℃和70℃之间 C。; 和（2）通过将干燥温度T（℃）乘以干燥时间H（秒）而获得的值（T×H）满足关系400＆lt; lE;（T×H）＆nlE; 4,000以除去混合溶剂。

公开(公告)号：US08784987B2

公开(公告)日：2014-07-22

申请号：US12954102

申请日：2010-11-24

Applicant: Yuusuke Toyama ,  Shinichi Inoue ,  Mizue Nagata ,  Toshitsugu Hosokawa

Inventor： Yuusuke Toyama ,  Shinichi Inoue ,  Mizue Nagata ,  Toshitsugu Hosokawa

IPC: B32B15/04 ,  C08L33/06

CPC classification number: C09J133/14 ,  C08L2312/08 ,  C09J7/385 ,  G02F2202/28 ,  Y10T428/2848 ,  Y10T428/2891

Abstract: A pressure-sensitive adhesive layer for optical films. The pressure-sensitive adhesive layer can prevent light leakage caused by stress associated with dimensional change of a component such as an optical film, that has reworkability, and that has satisfactory processability. A pressure-sensitive adhesive optical film produced using the layer is also provided. The pressure-sensitive adhesive layer is prepared with the use of a composition which includes a (meth)acrylic polymer including (a) 34 to 94% by weight of an alkyl (meth)acrylate monomer unit, (b) 5 to 50% by weight of an aromatic ring-containing (meth)acrylate monomer unit, and (c) 0.01 to 0.5% by weight of an amino group-containing (meth)acrylate monomer unit; 0.01 to 2 parts by weight of a peroxide as a crosslinking agent; and 0.01 to 2 parts by weight of a silane coupling agent based on 100 parts by weight of the (meth)acrylic polymer.

Abstract translation: 用于光学膜的压敏粘合剂层。 该粘合剂层能够防止与具有再加工性的光学膜等成分的尺寸变化相关的应力引起的光泄漏，并且具有令人满意的加工性。 还提供了使用该层制备的压敏粘合剂光学膜。 使用包含（甲基）丙烯酸类聚合物的组合物制备压敏粘合剂层，该聚合物包含（a）34-94重量％的（甲基）丙烯酸烷基酯单体单元，（b）5-50重量％ 含有芳香环的（甲基）丙烯酸酯单体单元的重量，和（c）0.01〜0.5重量％的含氨基的（甲基）丙烯酸酯单体单元; 0.01〜2重量份作为交联剂的过氧化物; 和基于100重量份的（甲基）丙烯酸类聚合物的硅烷偶联剂为0.01〜2重量份。

公开(公告)号：US20130288048A1

公开(公告)日：2013-10-31

申请号：US13993153

申请日：2011-12-12

Applicant: Yuusuke Toyama ,  Atsushi Yasui ,  Tomoyuki Kimura ,  Masayuki Satake ,  Shusaku Goto ,  Takeharu Kitagawa ,  Minoru Miyatake ,  Tomohiro Mori ,  Takashi Kamijo

Inventor： Yuusuke Toyama ,  Atsushi Yasui ,  Tomoyuki Kimura ,  Masayuki Satake ,  Shusaku Goto ,  Takeharu Kitagawa ,  Minoru Miyatake ,  Tomohiro Mori ,  Takashi Kamijo

IPC: C09J133/08 ,  G02B5/30 ,  C09J7/02

CPC classification number: C09J133/08 ,  C08G18/6229 ,  C08G18/6254 ,  C08G18/8029 ,  C08G2170/40 ,  C09J7/22 ,  C09J7/38 ,  C09J7/385 ,  C09J133/066 ,  C09J175/04 ,  C09J2203/318 ,  C09J2433/00 ,  G02B5/3033 ,  G02B5/305 ,  Y10T428/266 ,  Y10T428/2891

Abstract: A pressure-sensitive adhesive composition for use on an optical film, includes a (meth)acryl-based polymer obtained by copolymerization of 30 to 98.9% by weight of an alkyl(meth)acrylate, 1 to 50% by weight of an aromatic ring-containing polymerizable monomer, 0.1 to 20% by weight of a hydroxyl group-containing monomer, and 0 to 4% by weight of a carboxyl group-containing monomer, and a solvent. The (meth)acryl-based polymer has a weight average molecular weight of 300,000 to 1,200,000 as measured by gel permeation chromatography. The content of a solid including the (meth)acryl-based polymer is 20% by weight or more, and the content of the solvent is 80% by weight or less.

Abstract translation: 用于光学膜的压敏粘合剂组合物包括通过共聚30至98.9重量％的（甲基）丙烯酸烷基酯，1至50重量％的芳环得到的（甲基）丙烯酸类聚合物 的含可聚合单体，0.1〜20重量％的含羟基单体和0〜4重量％的含羧基单体和溶剂。 （甲基）丙烯酸系聚合物通过凝胶渗透色谱法测定的重均分子量为30万〜120万。 包含（甲基）丙烯酸类聚合物的固体的含量为20重量％以上，溶剂的含量为80重量％以下。

公开(公告)号：US08372492B2

公开(公告)日：2013-02-12

申请号：US11955850

申请日：2007-12-13

Applicant: Kohei Yano ,  Akiko Ogasawara ,  Tsuyoshi Chiba ,  Yuusuke Toyama ,  Shinichi Inoue ,  Masayuki Satake

Inventor： Kohei Yano ,  Akiko Ogasawara ,  Tsuyoshi Chiba ,  Yuusuke Toyama ,  Shinichi Inoue ,  Masayuki Satake

IPC: B32B7/12 ,  B32B15/082

CPC classification number: G02B5/3016 ,  C09J7/29 ,  C09J7/385 ,  C09J2433/00 ,  C09K2019/0429 ,  C09K2019/0448 ,  Y10T428/1077 ,  Y10T428/2861 ,  Y10T428/2891

Abstract: A pressure-sensitive adhesive optical film of the present invention comprises: an optical film comprising a transparent base film and a discotic liquid crystal layer on one side of the transparent base film; and a pressure-sensitive adhesive layer that is provided on the discotic liquid crystal layer, wherein the pressure-sensitive adhesive layer is made from a pressure-sensitive adhesive containing an acrylic polymer comprising an alkyl(meth)acrylate (a1) and a ring structure-containing (meth)acrylate (a2) as monomer units and having a weight average molecular weight of 1,000,000 to 3,000,000, and a crosslinking agent. The pressure-sensitive adhesive optical film has durability and can be prevented from causing display unevenness in a peripheral portion of a display screen.

Abstract translation: 本发明的粘合型光学膜包括：透明基膜一侧的透明基膜和盘状液晶层的光学膜; 以及设置在盘状液晶层上的压敏粘合剂层，其中该压敏粘合剂层由含有包含（甲基）丙烯酸烷基酯（a1）的丙烯酸类聚合物和环状结构的压敏粘合剂制成 的（甲基）丙烯酸酯（a2）作为单体单元，重均分子量为1,000,000〜3,000,000，交联剂。 粘合型光学薄膜具有耐久性，可以防止在显示屏的周边部分产生显示不均匀。

公开(公告)号：US07923120B2

公开(公告)日：2011-04-12

申请号：US12203447

申请日：2008-09-03

Applicant: Yuusuke Toyama ,  Masayuki Satake ,  Akiko Ogasawara ,  Yutaka Moroishi ,  Fumiko Nakano

Inventor： Yuusuke Toyama ,  Masayuki Satake ,  Akiko Ogasawara ,  Yutaka Moroishi ,  Fumiko Nakano

IPC: B32B27/08 ,  B32B27/30 ,  B32B27/34 ,  B32B27/36 ,  C08L33/14 ,  C09J133/14 ,  C09K19/38

CPC classification number: C09J175/04 ,  C08G18/289 ,  C08G18/6229 ,  C08G18/8022 ,  C08G2170/40 ,  C09J7/22 ,  C09J7/38 ,  C09J7/385 ,  C09J2433/00 ,  Y10T428/1059 ,  Y10T428/24438 ,  Y10T428/28 ,  Y10T428/2826 ,  Y10T428/2887 ,  Y10T428/3175 ,  Y10T428/31797 ,  Y10T428/31909 ,  Y10T428/31913 ,  Y10T428/3192 ,  Y10T442/2738

Abstract: Provided herein is a pressure sensitive adhesive for an optical film comprising: 100 parts by weight of a (meth)acrylic-based polymer (A) including an alkyl (meth)acrylate (a1) and a (meth)acrylic-based monomer containing a hydroxyl group (a2), as a copolymerizable component, in content in the range of from 0.01 to 5 parts by weight relative to 100 parts by weight of the alkyl (meth)acrylate (a1); 0.02 to 2 parts by weight of a peroxide (B); and 0.001 to 2 parts by weight of an isocyanate-based compound (C), the contents of the peroxide (B) and the isocyanate-based compound (C) being values relative to 100 parts by weight of the (meth)acrylic-based polymer (A).

Abstract translation: 本发明提供一种用于光学膜的压敏粘合剂，其包括：100重量份包含（甲基）丙烯酸烷基酯（a1）的（甲基）丙烯酸类聚合物（A）和（甲基）丙烯酸系单体，其包含 相对于100重量份的（甲基）丙烯酸烷基酯（a1），作为可共聚成分的羟基（a2）的含量范围为0.01〜5重量份。 0.02〜2重量份过氧化物（B）; 和0.001〜2重量份的异氰酸酯系化合物（C），过氧化物（B）和异氰酸酯系化合物（C）的含量相对于（甲基）丙烯酸系化合物（C）的100重量份 聚合物（A）。

公开(公告)号：US20090258224A1

公开(公告)日：2009-10-15

申请号：US12090304

申请日：2006-10-18

Applicant: Shigeki Kawabe ,  Masayuki Satake ,  Yuusuke Toyama

Inventor： Shigeki Kawabe ,  Masayuki Satake ,  Yuusuke Toyama

IPC: B32B7/00 ,  B05D5/06

CPC classification number: C09J133/10 ,  C08L2312/00 ,  C09J7/22 ,  C09J7/38 ,  C09J2433/00 ,  G02B1/10 ,  Y10T428/269

Abstract: Disclosed is to provide a pressure-sensitive adhesive optical film that has excellent durability wherein deterioration of an image display region is suppressed even under severe conditions such as heating caused by lighting of a backlight and to provide a method for producing the same. Disclosed is also to provide an image display using such a pressure-sensitive adhesive optical film. A pressure-sensitive adhesive optical film, comprising: an optical film; and a pressure-sensitive adhesive layer arranged on one or both sides of the optical film, wherein the pressure-sensitive adhesive layer is made from a pressure-sensitive adhesive composition comprising 100 parts by weight of a (meth)acrylic polymer which contains, as a monomer unit, at least 50% by weight of an alkyl (meth)acrylate ester having an alkyl group with 4 or more carbon atoms, and 0.02 to 2 parts by weight of a peroxide, and the pressure-sensitive adhesive layer has a thickness of 20 μm or more.

Abstract translation: 本发明提供一种即使在诸如背光照明等加热引起的恶劣条件下也能够抑制图像显示区域的劣化的耐久性优异的粘合型光学膜，并提供其制造方法。 还公开了使用这种压敏粘合剂光学膜的图像显示。 一种压敏粘合剂光学膜，包括：光学膜; 以及设置在所述光学膜的一侧或两侧的压敏粘合剂层，其中所述压敏粘合剂层由包含100重量份的（甲基）丙烯酸类聚合物的压敏粘合剂组合物制成，所述（甲基）丙烯酸聚合物包含作为 单体单元，至少50重量％的具有4个或更多个碳原子的烷基的（甲基）丙烯酸烷基酯和0.02-2重量份的过氧化物，并且所述压敏粘合剂层的厚度 20个或更多个。