公开(公告)号：US20090104445A1

公开(公告)日：2009-04-23

申请号：US12293936

申请日：2007-03-14

申请人： Shinichi Inoue ,  Masayuki Satake ,  Kohei YANO

发明人： Shinichi Inoue ,  Masayuki Satake ,  Kohei YANO

IPC分类号： B32B7/10

CPC分类号： C09J133/04 ,  C08G18/04 ,  C08L33/064 ,  C08L33/066 ,  C08L33/08 ,  C08L33/26 ,  C09D133/26 ,  C09J7/385 ,  C09J133/064 ,  C09J133/066 ,  C09J133/08 ,  C09J133/26 ,  C09J2203/318 ,  C09J2433/00 ,  G02B5/3033 ,  G02B5/3083 ,  Y10T428/2887 ,  Y10T428/2891 ,  Y10T428/2896

摘要： An object of the invention is to provide an optical pressure-sensitive adhesive that is for use in pressure-sensitive adhesive attached optical films and so on, includes an acrylic copolymer and is less likely to cause display unevenness in the peripheral portion of a display screen. An optical pressure-sensitive adhesive, comprising: an acrylic copolymer containing alkyl (meth)acrylate (a1) and N-(2-hydroxyethyl)(meth)acrylamide (a2) as a monomer unit.

摘要翻译： 本发明的目的是提供一种用于粘合剂的光学膜等的光学粘合剂，包括丙烯酸共聚物，并且不太可能在显示屏的周边部分引起显示不均匀 。 一种光学压敏粘合剂，其包含：作为单体单元的含有（甲基）丙烯酸烷基酯（a1）和N-（2-羟乙基）（甲基）丙烯酰胺（a2）的丙烯酸共聚物。

公开(公告)号：US20090087650A1

公开(公告)日：2009-04-02

申请号：US12282757

申请日：2007-03-13

申请人： Shinichi Inoue ,  Kohei Yano ,  Masayuki Satake ,  Yutaka Moroishi

发明人： Shinichi Inoue ,  Kohei Yano ,  Masayuki Satake ,  Yutaka Moroishi

IPC分类号： B32B27/36 ,  C08F120/18 ,  C08F26/06

CPC分类号： C09J7/0217 ,  C08G18/6254 ,  C08G18/6283 ,  C08G18/8029 ,  C08G2170/40 ,  C09J7/22 ,  C09J7/38 ,  C09J7/385 ,  C09J133/066 ,  C09J133/14 ,  C09J175/04 ,  C09J2433/00 ,  G02B5/3083 ,  Y10T428/263 ,  Y10T428/264 ,  Y10T428/265 ,  Y10T428/28

摘要： To provide a pressure-sensitive adhesive optical film that can satisfy durability even when a thin pressure-sensitive adhesive layer is formed. A pressure-sensitive adhesive optical film comprising an optical film and a pressure-sensitive adhesive layer on at least one side of the optical film, wherein the pressure-sensitive adhesive layer is formed by a pressure-sensitive adhesive, comprising: a (meth)acrylic polymer having a weight average molecular weight of 1,500,000 to 2,800,000; containing, as a monomer component, 3 to 10% by weight of a heterocyclic ring-containing acrylic monomer; 0.5 to 5% by weight of a carboxyl group-containing monomer; 0.05 to 2% by weight of a hydroxyl group-containing monomer; and 83 to 96.45% by weight of an alkyl(meth)acrylate monomer, and a crosslinking agent.

摘要翻译： 提供即使形成薄的压敏粘合剂层也能够满足耐久性的压敏粘合剂光学膜。 一种压敏粘合剂光学膜，其在所述光学膜的至少一侧上包括光学膜和压敏粘合剂层，其中所述压敏粘合剂层由压敏粘合剂形成，包括：（甲基） 重均分子量为150万〜280万的丙烯酸类聚合物; 作为单体成分含有3〜10重量％的含杂环的丙烯酸类单体; 0.5〜5重量％的含羧基单体; 0.05〜2重量％的含羟基单体; 和83〜96.45重量％的（甲基）丙烯酸烷基酯单体和交联剂。

公开(公告)号：US20080278672A1

公开(公告)日：2008-11-13

申请号：US12116596

申请日：2008-05-07

申请人： Kohei YANO ,  Akiko SUGINO ,  Tsuyoshi CHIBA ,  Masayuki SATAKE ,  Kayo OOHIRA

发明人： Kohei YANO ,  Akiko SUGINO ,  Tsuyoshi CHIBA ,  Masayuki SATAKE ,  Kayo OOHIRA

IPC分类号： C09K19/02 ,  G02B1/02

CPC分类号： C09J133/08 ,  C08K5/0025 ,  C08K5/54 ,  C08L33/08 ,  C08L2666/04 ,  C09J7/22 ,  C09J7/29 ,  C09J7/38 ,  C09J2201/606 ,  C09J2433/00 ,  C09K2019/0429 ,  G02B5/3016

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 provided on one side of the transparent base film; an undercoat layer; and a pressure-sensitive adhesive layer provided on the discotic liquid crystal layer with the undercoat layer interposed therebetween, the undercoat layer comprises a polymer and an antioxidant; and the pressure-sensitive adhesive layer comprises a (meth)acrylic polymer (A) comprising 80 to 99.5% by weight of an alkyl (meth)acrylate monomer unit and 0.05 to 3% by weight of a hydroxyl group-containing monomer unit and having a weight average molecular weight of 1,000,000 to 2,500,000; a (meth)acrylic oligomer (B) comprising 80 to 99.9% by weight of an alkyl (meth)acrylate monomer unit and 0.1 to 3% by weight of a carboxyl group-containing monomer unit and having a weight average molecular weight of 3,000 to 8,000; a crosslinking agent (C); and a silane coupling agent (D), and the pressure-sensitive adhesive layer comprises 10 to 40 parts by weight of the (meth)acrylic oligomer (B) based on 100 parts by weight of the (meth)acrylic polymer (A). The pressure-sensitive adhesive optical film has durability and can suppress display unevenness in a peripheral portion of a display screen and window frame unevenness in a state that a backlight is 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盘状液晶层; 底漆层; 以及设置在盘状液晶层上的底涂层之间的压敏粘合剂层，底涂层包含聚合物和抗氧化剂; 并且所述压敏粘合剂层包含（甲基）丙烯酸类聚合物（A），其包含80-99.5重量％的（甲基）丙烯酸烷基酯单体单元和0.05-3重量％的含羟基的单体单元，并且具有 重均分子量为1,000,000至2,500,000; 包含80至99.9重量％的（甲基）丙烯酸烷基酯单体单元和0.1至3重量％的含羧基单体单元的（甲基）丙烯酸低聚物（B），其重均分子量为3,000至 8,000; 交联剂（C）; 和硅烷偶联剂（D），并且基于100重量份的（甲基）丙烯酸类聚合物（A），所述压敏粘合剂层包含10〜40重量份的（甲基）丙烯酸系低聚物（B）。 粘合型光学薄膜具有耐久性，能够抑制背光源导通的状态下的显示画面的周边部的显示不均匀和窗框不均匀。

公开(公告)号：US07385007B2

公开(公告)日：2008-06-10

申请号：US10913992

申请日：2004-08-06

申请人： Yutaka Moroishi ,  Fumiko Nakano ,  Tetsuo Inoue ,  Yoshihide Kawaguchi ,  Kohei Yano

发明人： Yutaka Moroishi ,  Fumiko Nakano ,  Tetsuo Inoue ,  Yoshihide Kawaguchi ,  Kohei Yano

IPC分类号： C09J133/00 ,  C09J133/02 ,  C09J133/08 ,  C09J133/10 ,  C09J11/08

CPC分类号： C09J133/02 ,  C08K5/5435 ,  C08L33/02 ,  C08L33/14 ,  C08L2205/02 ,  C08L2312/00 ,  C08L2666/04 ,  C09J133/14 ,  G02F2202/28 ,  Y10T428/2891

摘要： The present invention provides a pressure sensitive adhesive composition for optical members, which is excellent in durability, re-releasability and stress relaxation, as well as a pressure sensitive adhesive composition for optical members, which hardly increases adhesion after storage for a long time and does not leave a residual adhesive on glass upon disposal or repair. The pressure sensitive adhesive composition for optical members according to the present invention comprises 100 parts by weight of an acrylic polymer (A) having a weight-average molecular weight of 500,000 or more, containing at least 50 wt % alkyl (meth)acrylate having an alkyl group with 5 or more carbon atoms and 0.2 to 2 wt % unsaturated carboxylic acid as the monomer unit, 0.1 to 4 parts by weight of an acrylic polymer (B) having a weight-average molecular weight of 2,000 to 50,000, containing at least 70 wt % alkyl(meth)acrylate and 1 to 7 wt % unsaturated carboxylic acid as the monomer unit and having a higher carboxylic acid equivalent than that of the acrylic polymer (A), 0.01 to 1 part by weight of a silane coupling agent, and a crosslinking agent.

摘要翻译： 本发明提供了一种光学部件用耐光性，再剥离性，应力松弛性优异的粘合剂组合物以及光学部件用粘合剂组合物，其长时间保存后几乎不增加粘着性， 处理或修理时，不要留下玻璃上的残留粘合剂。 本发明的光学部件用压敏粘合剂组合物包含100重量份的重均分子量为500,000以上的丙烯酸类聚合物（A），其含有至少50重量％的（甲基）丙烯酸烷基酯，其具有 具有5个或更多个碳原子的烷基和0.2至2重量％的不饱和羧酸作为单体单元，0.1至4重量份的重均分子量为2,000至50,000的丙烯酸类聚合物（B），至少包含 70重量％的（甲基）丙烯酸烷基酯和1至7重量％的不饱和羧酸作为单体单元并且具有比丙烯酸类聚合物（A）更高的羧酸当量，0.01至1重量份的硅烷偶联剂， 和交联剂。

公开(公告)号：US20070059903A1

公开(公告)日：2007-03-15

申请号：US11514504

申请日：2006-09-01

申请人： Kohei Yano ,  Kouji Akazawa ,  Yoshinori Yoshida ,  Tomohiro Kontani

发明人： Kohei Yano ,  Kouji Akazawa ,  Yoshinori Yoshida ,  Tomohiro Kontani

IPC分类号： H01L21/30

CPC分类号： H01L21/6835 ,  B24B37/30 ,  C09J2203/326 ,  C09J2205/31 ,  C09J2433/003 ,  H01L21/6836 ,  H01L2221/68327 ,  H01L2221/6834

摘要： To provide a pressure-sensitive adhesive that is used in processing an article such as a semiconductor wafer, the pressure-sensitive adhesive sheet is one that has a base, an intermediate layer and a pressure-sensitive adhesive layer in order, wherein the intermediate layer has an elastic modulus at elongation at 23° C. of 1 MPa or more and 100 MPa or less, the intermediate layer includes an acrylic polymer obtained by polymerization of a (meth) acrylic monomer mixture containing 1% by weight or more and 20% by weight or less of a nitrogen-containing acrylic monomer, the acrylic polymer containing 20% by weight or less of a polymer component having a molecular weight of 100,000 or less, and the base includes at least one film having an elastic modulus at in tension at 23° C. of 0.6 GPa or more.

摘要翻译： 为了提供用于加工诸如半导体晶片的物品的压敏粘合剂，压敏粘合片是依次具有基底，中间层和压敏粘合剂层的粘合片，其中中间层 在23℃的伸长率下的弹性模量为1MPa以上至100MPa以下，中间层包含通过聚合含有1重量％以上且20重量％以上的（甲基）丙烯酸单体混合物而得到的丙烯酸类聚合物， 以下的含氮丙烯酸类单体，所述丙烯酸类聚合物含有20重量％以下的分子量为100,000以下的聚合物成分，所述基材包括至少一层在拉伸下具有弹性模量的膜 在23℃下为0.6GPa以上。