公开(公告)号：US20090162577A1

公开(公告)日：2009-06-25

申请号：US12338435

申请日：2008-12-18

申请人： Shinichi INOUE ,  Yuusuke TOYAMA ,  Mizue NAGATA ,  Toshitsugu HOSOKAWA ,  Yutaka MOROISHI ,  Fumiko NAKANO

发明人： Shinichi INOUE ,  Yuusuke TOYAMA ,  Mizue NAGATA ,  Toshitsugu HOSOKAWA ,  Yutaka MOROISHI ,  Fumiko NAKANO

IPC分类号： C09J131/02 ,  C09K19/00

CPC分类号： C09J133/08 ,  C09J133/14 ,  C09J2201/606 ,  Y10T428/1077 ,  Y10T428/2891

摘要： There is provided an optical film pressure-sensitive adhesive composition capable of forming a pressure-sensitive adhesive layer that has reworkability such that optical films therewith can be easily separated from liquid crystal panels with no adhesive residue and also has satisfactory processability such that it can be processed without causing adhesive stain or dropout after it is formed on an optical film. The optical film pressure-sensitive adhesive composition includes 100 parts by weight of a (meth)acrylic polymer including, as monomer units, (a) 50 to 99.79% by weight of an alkyl (meth)acrylate monomer, (b) 0.01 to 0.45% by weight of a tertiary amino group-containing monomer, and (c) 0.1 to 3% by weight of a hydroxyl group-containing monomer; and 0.01 to 2 parts by weight of a crosslinking agent that is at least one selected from the group consisting of hexamethylene diisocyanate, hydrogenated xylylene diisocyanate, and isophorone diisocyanate, or a polyisocyanate compound derived therefrom.

摘要翻译： 提供一种光学膜压敏粘合剂组合物，其能够形成具有再加工性的粘合剂层，使得其中的光学膜可以容易地与液晶面板分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 在光学膜上形成之后不会引起粘合剂污渍或脱落。 光学膜压敏粘合剂组合物包括100重量份的（甲基）丙烯酸类聚合物，其包含作为单体单元的（a）50-99.79重量％的（甲基）丙烯酸烷基酯单体，（b）0.01至0.45 （c）0.1〜3重量％的含羟基单体;和（c）含有叔氨基的单体的重量％ 和0.01〜2重量份的选自六亚甲基二异氰酸酯，氢化亚二甲苯基二异氰酸酯和异佛尔酮二异氰酸酯中的至少一种的交联剂或由其衍生的多异氰酸酯化合物。

公开(公告)号：US20090104450A1

公开(公告)日：2009-04-23

申请号：US12255440

申请日：2008-10-21

申请人： Shinichi INOUE ,  Yuusuke TOYAMA ,  Mizue NAGATA ,  Toshitsugu HOSOKAWA ,  Yutaka MOROISHI ,  Fumiko NAKANO

发明人： Shinichi INOUE ,  Yuusuke TOYAMA ,  Mizue NAGATA ,  Toshitsugu HOSOKAWA ,  Yutaka MOROISHI ,  Fumiko NAKANO

IPC分类号： C08G69/26 ,  B05D5/06 ,  B32B27/34

CPC分类号： C09J7/0217 ,  C09J7/385 ,  C09J133/14 ,  G02F2202/28 ,  Y10T428/2891 ,  Y10T428/2896 ,  Y10T428/31551

摘要： 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.

摘要翻译： 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：US20090110924A1

公开(公告)日：2009-04-30

申请号：US12260210

申请日：2008-10-29

申请人： Shinichi INOUE ,  Yuusuke TOYAMA ,  Mizue NAGATA ,  Toshitsugu HOSOKAWA

发明人： Shinichi INOUE ,  Yuusuke TOYAMA ,  Mizue NAGATA ,  Toshitsugu HOSOKAWA

IPC分类号： B32B33/00 ,  B32B38/00 ,  C08F20/10 ,  C08G16/00 ,  C08F20/28 ,  C08F26/02

CPC分类号： C09J133/066 ,  C09J7/22 ,  C09J7/38 ,  C09J2433/00 ,  Y10T428/2809

摘要： A pressure-sensitive adhesive for an optical film of the present invention comprises a (meth)acrylic polymer comprising 50 to 99.99% by weight of alkyl (meth)acrylate monomer unit and 0.01 to 30% by weight of a photocrosslinkable monomer unit having an unsaturated double bond-containing polymerizable functional group and a photocrosslinkable moiety different from the functional group. A pressure-sensitive adhesive layer is formed from the pressure-sensitive adhesive on at least one side of an optical film, wherein the photocrosslinkable moiety of the (meth)acrylic polymer in the pressure-sensitive adhesive is crosslinked by active energy ray irradiation. The pressure-sensitive adhesive can form the pressure-sensitive adhesive layer with a high level of durability and preferable workability.

摘要翻译： 本发明的光学薄膜用粘合剂包含（甲基）丙烯酸系聚合物，其含有50〜99.99重量％的（甲基）丙烯酸烷基酯单体单元和0.01〜30重量％的具有不饱和键的光可交联单体单元 含有双键的可聚合官能团和与该官能团不同的光可交联部分。 在光学膜的至少一侧上由压敏粘合剂形成压敏粘合剂层，其中压敏粘合剂中的（甲基）丙烯酸类聚合物的光致交联部分通过活性能量射线照射而交联。 压敏粘合剂可以形成具有高水平的耐久性和优选的可加工性的压敏粘合剂层。

公开(公告)号：US20090116111A1

公开(公告)日：2009-05-07

申请号：US12262771

申请日：2008-10-31

申请人： Yuusuke TOYAMA ,  Shinichi INOUE ,  Mizue NAGATA ,  Toshitsugu HOSOKAWA

发明人： Yuusuke TOYAMA ,  Shinichi INOUE ,  Mizue NAGATA ,  Toshitsugu HOSOKAWA

IPC分类号： G02B1/10 ,  B32B33/00 ,  B32B38/00

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

摘要： 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.

摘要翻译： 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：US20090233093A1

公开(公告)日：2009-09-17

申请号：US12404080

申请日：2009-03-13

申请人： Yuusuke TOYAMA ,  Shinichi INOUE ,  Mizue NAGATA ,  Toshitsugu HOSOKAWA

发明人： Yuusuke TOYAMA ,  Shinichi INOUE ,  Mizue NAGATA ,  Toshitsugu HOSOKAWA

IPC分类号： B32B7/12 ,  C08G63/00

CPC分类号： C09J133/14 ,  C08L2312/08 ,  C09J7/385 ,  G02F2202/28 ,  Y10T428/2848 ,  Y10T428/2891

摘要： There is provided a pressure-sensitive adhesive composition for optical films. The composition can form a pressure-sensitive adhesive layer that can prevent light leakage caused by stress associated with dimensional change of a component such as an optical film, that has reworkability such that it can be easily peeled from a component, and that has satisfactory processability such that it can be processed without pressure-sensitive adhesive stain or dropout, after it is formed on an optical film. A pressure-sensitive adhesive optical film produced using the composition is also provided. The pressure-sensitive adhesive composition is prepared to include 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.

摘要翻译： 提供了一种用于光学膜的压敏粘合剂组合物。 组合物可形成压敏粘合剂层，其可以防止由与诸如光学膜的组分的尺寸变化相关的应力引起的光泄漏，其具有可以容易地从组分剥离的再加工性，并且具有令人满意的加工性 使其在光学膜上形成之后能够被加工而没有压敏粘合剂污渍或脱落。 还提供了使用该组合物制备的压敏粘合剂光学膜。 制备压敏粘合剂组合物包括（甲基）丙烯酸类聚合物，其包含（a）34-94重量％的（甲基）丙烯酸烷基酯单体单元，（b）5-50重量％的芳香环 - （甲基）丙烯酸酯单体单元，（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：US20080145572A1

公开(公告)日：2008-06-19

申请号：US11955850

申请日：2007-12-13

申请人： Kohei YANO ,  Akiko OGASAWARA ,  Tsuyoshi CHIBA ,  Yuusuke TOYAMA ,  Shinichi INOUE ,  Masayuki SATAKE

发明人： Kohei YANO ,  Akiko OGASAWARA ,  Tsuyoshi CHIBA ,  Yuusuke TOYAMA ,  Shinichi INOUE ,  Masayuki SATAKE

IPC分类号： C09K19/00

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

摘要： 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.

摘要翻译： 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：US20080143894A1

公开(公告)日：2008-06-19

申请号：US11958818

申请日：2007-12-18

申请人： Kayo OOHIRA ,  Yuusuke TOYAMA ,  Masayuki SATAKE ,  Minoru MIYATAKE

发明人： Kayo OOHIRA ,  Yuusuke TOYAMA ,  Masayuki SATAKE ,  Minoru MIYATAKE

IPC分类号： G02F1/1335

CPC分类号： G02F1/13363 ,  G02F1/133528 ,  G02F2001/133633 ,  G02F2202/28

摘要： A pressure-sensitive adhesive optical film of the present invention comprises: an optical film comprising a transparent base film and an optical compensation liquid crystal layer provided on one side of the transparent base film; a pressure-sensitive adhesive layer provided on the optical compensation liquid crystal layer; and an undercoat layer that is interposed between the optical compensation liquid crystal layer and the pressure-sensitive adhesive layer and contains a polymer and an antioxidant. The pressure-sensitive adhesive optical film can suppress window frame unevenness when a backlight is turned on.

摘要翻译： 本发明的粘合型光学薄膜包括：光学薄膜，其包括透明基底膜和设置在透明基底膜一侧的光学补偿液晶层; 设置在光学补偿液晶层上的压敏粘合剂层; 以及介于光学补偿液晶层和压敏粘合剂层之间并含有聚合物和抗氧化剂的底涂层。 当背光打开时，压敏粘合剂光学膜可以抑制窗框不均匀。