发明授权
- 专利标题: Pressure sensitive adhesive for polarizing plates, polarizing plate with pressure sensitive adhesive and production process for polarizing plate
- 专利标题(中): 用于偏光板的压敏粘合剂,带有压敏粘合剂的偏光板和偏光板的生产工艺
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申请号: US11312772申请日: 2005-12-21
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公开(公告)号: US08148442B2公开(公告)日: 2012-04-03
- 发明人: Koichi Nagamoto , Mikihiro Kashio , Eiko Kozukue , Kazuhiro Kon , Tadashi Matano
- 申请人: Koichi Nagamoto , Mikihiro Kashio , Eiko Kozukue , Kazuhiro Kon , Tadashi Matano
- 申请人地址: JP Tokyo
- 专利权人: Lintec Corporation
- 当前专利权人: Lintec Corporation
- 当前专利权人地址: JP Tokyo
- 代理机构: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- 优先权: JP2005-020304 20050127; JP2005-244880 20050825
- 主分类号: C08L33/08
- IPC分类号: C08L33/08 ; C08L33/04 ; C08J3/28 ; B32B7/12 ; G02F1/1333 ; G02F1/1335
摘要:
The disclosed a pressure sensitive adhesive for polarizing plates which has a storage elastic modulus (G′) at 23° C. of at least 0.3 MPa; a polarizing plate having a pressure sensitive adhesive; a process for producing the above polarizing plate which comprises sticking a polarizing plate on a tacky adhesive material layer formed on a releasing layer of a releasing sheet, and thereafter irradiating with an active energy beam from the releasing sheet side; an optical film which comprises a polarizing plate and a phase difference plate; and a process for producing the above optical film. The pressure sensitive adhesive and polarizing plate having the pressure sensitive adhesive are characterized in that they are capable of sticking with high durability, the polarizing plate to a and phase difference plate, and the resultant liquid crystal display unit is less liable to cause light leakage under the conditions of high temperature.