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Patent Searching and Data


Title:
DOUBLE-SIDED PRESSURE-SENSITIVE ADHESIVE SHEET FOR OPTICAL USE
Document Type and Number:
WIPO Patent Application WO/2011/065341
Kind Code:
A1
Abstract:
Disclosed is a double-sided pressure-sensitive adhesive sheet for optical use, which has high corrosion resistance and high adhesion reliability at the same time. Specifically disclosed is a double-sided pressure-sensitive adhesive sheet for optical use, which comprises a pressure-sensitive adhesive layer that has a resistance ratio of 90-120 as determined by a specific corrosion resistance test and an average air bubble diameter of not more than 1.0 mm as determined by a specific foaming separation resistance test. In addition, it is preferable for the double-sided pressure-sensitive adhesive sheet for optical use to have a total light transmittance of not less than 90% and a haze of not more than 1.5%.

Inventors:
OKAMOTO Masayuki (())
岡本 昌之 (())
NIWA Masahito (())
丹羽 理仁 (())
Application Number:
JP2010/070843
Publication Date:
June 03, 2011
Filing Date:
November 22, 2010
Export Citation:
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Assignee:
NITTO DENKO CORPORATION (1-2 Shimohozumi 1-chome, Ibaraki-shi Osaka, 80, 〒5678680, JP)
日東電工株式会社 (〒80 大阪府茨木市下穂積1丁目1番2号 Osaka, 〒5678680, JP)
OKAMOTO Masayuki (())
岡本 昌之 (())
NIWA Masahito (())
International Classes:
C09J7/02; C09J133/06; C09J157/12; C09J201/00; G02B5/30
Attorney, Agent or Firm:
HASHIMOTO Kimihide et al. (Eikoh Patent Firm, Toranomon East Bldg. 10F 7-13, Nishi-Shimbashi 1-chome, Minato-k, Tokyo 03, 〒1050003, JP)
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