Title:
ADHESIVE COMPOSITION, ADHESIVE SHEET, OPTICAL LAMINATE, IMAGE DISPLAY DEVICE, AND METHOD FOR PRODUCING ADHESIVE SHEET
Document Type and Number:
WIPO Patent Application WO/2022/244555
Kind Code:
A1
Abstract:
An adhesive composition provided herein includes a (meth)acrylic polymer (A) as a main component, and further includes a cross-linking agent (B) having a functional group reactive with a hydroxyl group, and a polyfunctional alcohol (C). The polyfunctional alcohol (C) has a molecular weight of at most 240. An added amount of the polyfunctional alcohol (C) is 0.5 parts by weight to 20 parts by weight with respect to 100 parts by weight of the (meth)acrylic polymer (A). The adhesive composition, which comprises a cross-linking agent having a functional group reactive with a hydroxyl group, is suitable for forming an adhesive sheet having excellent durability.
Inventors:
YAMAMOTO SATOSHI (JP)
KUZE MASAHIRO (JP)
NAGATA MIZUE (JP)
TOYAMA YUSUKE (JP)
KUZE MASAHIRO (JP)
NAGATA MIZUE (JP)
TOYAMA YUSUKE (JP)
Application Number:
PCT/JP2022/017650
Publication Date:
November 24, 2022
Filing Date:
April 12, 2022
Export Citation:
Assignee:
NITTO DENKO CORP (JP)
International Classes:
C09J133/08; B32B27/00; C09J7/38; C09J11/06; C09J175/04; G02B5/30
Foreign References:
| JPH08199146A | 1996-08-06 | |||
| JP2011526645A | 2011-10-13 | |||
| CN111548763A | 2020-08-18 | |||
| JPS45439B1 | 1970-01-08 | |||
| JP2012219247A | 2012-11-12 | |||
| JP2015017179A | 2015-01-29 | |||
| US20180362812A1 | 2018-12-20 | |||
| JP2005232728A | 2005-09-02 | |||
| JPH06346029A | 1994-12-20 |
Attorney, Agent or Firm:
KAMADA Koichi (JP)
Download PDF: