Title:
PRESSURE-SENSITIVE ADHESIVE AGENT AND PRESSURE-SENSITIVE ADHESIVE FILM
Document Type and Number:
WIPO Patent Application WO/2008/029766
Kind Code:
A1
Abstract:
A pressure-sensitive adhesive agent comprising a copolymer (C) having a hydroxyl group and/or a carboxyl group and having a grass transition temperature of –60 to 0˚C and an isocyanate-type curing agent (D), wherein: (1) the copolymer (C) is produced by the radical polymerization of 15 to 35% by weight of an alkyl methacrylate (a) having no substituent, an alkyl acrylate (b) having no substituent, and a monomer (c) which has other ethylenically unsaturated double bond copolymerizable with the components (a) and (b) and comprises a monomer (c1) having a hydroxyl group and/or a carboxyl group and an ethylenically unsaturated double bond (provided that the sum total of the components (a) to (c) is 100% by weight); and (2) the copolymer (C) comprises a high-molecular-weight component (A) and a low-molecular-weight component (B).
Inventors:
KOBAYASHI, Hiroyuki (())
小林 弘征 (())
HARUTA, Issei (())
春田 一成 (())
小林 弘征 (())
HARUTA, Issei (())
春田 一成 (())
Application Number:
JP2007/067140
Publication Date:
March 13, 2008
Filing Date:
September 03, 2007
Export Citation:
Assignee:
Toyo Ink Mfg. Co., Ltd. (3-13, Kyobashi 2-chome Chuo-k, Tokyo 31, 1040031, JP)
東洋インキ製造株式会社 (〒31 東京都中央区京橋２丁目３番１３号 Tokyo, 1040031, JP)
KOBAYASHI, Hiroyuki (())
小林 弘征 (())
HARUTA, Issei (())
東洋インキ製造株式会社 (〒31 東京都中央区京橋２丁目３番１３号 Tokyo, 1040031, JP)
KOBAYASHI, Hiroyuki (())
小林 弘征 (())
HARUTA, Issei (())
International Classes:
C09J175/04; C09J7/02; C09J133/08; C09J133/10; G02B5/30
Attorney, Agent or Firm:
MIYOSHI, Hidekazu et al. (Toranomon Kotohira Tower, 2-8 Toranomon 1-chome,Minato-k, Tokyo 01, 1050001, JP)
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