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Title:
ADHESIVE FOR POLARIZING PLATE, POLARIZING PLATE, METHOD FOR PRODUCING SAME, OPTICAL FILM AND IMAGE DISPLAY
Document Type and Number:
WIPO Patent Application WO/2005/063910
Kind Code:
A1
Abstract:
Disclosed is an adhesive for polarizing plates which is used for forming an adhesive layer in a polarizing plate wherein a polarizer and a transparent protective film are bonded with each other via the adhesive layer. The adhesive for polarizing plates is an aqueous solution containing a polyvinyl alcohol resin having an acetoacetyl group and a crosslinking agent, and the aqueous solution has a pH of not more than 4.3. Such an adhesive for polarizing plates has a good durability and a long pot life.

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Inventors:
TOMOGUCHI NAOKI (JP)
KAMEYAMA TADAYUKI (JP)
WADA MORIMASA (JP)
MIZUSHIMA HIROAKI (JP)
Application Number:
PCT/JP2004/018751
Publication Date:
July 14, 2005
Filing Date:
December 15, 2004
Export Citation:
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Assignee:
NITTO DENKO CORP (JP)
TOMOGUCHI NAOKI (JP)
KAMEYAMA TADAYUKI (JP)
WADA MORIMASA (JP)
MIZUSHIMA HIROAKI (JP)
International Classes:
G02B5/30; C08J5/12; C09J7/02; C09J9/00; C09J129/04; G02F1/1335; H01L51/50; H05B33/02; C08K5/3492; H05B33/14; (IPC1-7): C09J129/04; C09J7/02; G02B5/30; G02F1/1335
Foreign References:
JPH09318814A1997-12-12
JPH09258023A1997-10-03
JPH08325542A1996-12-10
JPH0977948A1997-03-25
JPH09291185A1997-11-11
JP2005010760A2005-01-13
JP2004334168A2004-11-25
Attorney, Agent or Firm:
Suzuki, Takao (1-20 Nishinakajima 7-chome, Yodogawa-k, Osaka-shi Osaka, JP)
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