Title:
ADHESIVE AGENT COMPOSITION, ADHESIVE SHEET, AND OPTICAL MEMBER
Document Type and Number:
WIPO Patent Application WO/2021/085136
Kind Code:
A1
Abstract:
One embodiment of the present invention provides an adhesive agent composition that can form an adhesive agent layer that is superior in various properties such as blister resistance and whitening resistance in environments of high temperature and high humidity, reworkability, and adhesive strength. One embodiment of the present invention pertains to an adhesive agent composition, an adhesive sheet, or an optical member. The adhesive agent composition contains: a (meth)acrylic copolymer (A) of monomer components including 50-97 mass% of an alkoxyalkyl(meth)acrylate (a1) and 3-10 mass% of a carboxy group or acid anhydride group-containing monomer (a2); a (meth)acrylic copolymer (B) that is of monomer components including 1-10 mass% of an amino group-containing monomer (b1) and that has a glass transition temperature of 0°C or higher; and a crosslinking agent (C). 2-19 parts by mass of the (meth)acrylic copolymer (B) is contained in 100 parts by mass of the (meth)acrylic copolymer (A).
Inventors:
YONEKAWA YUYA (JP)
Application Number:
PCT/JP2020/038756
Publication Date:
May 06, 2021
Filing Date:
October 14, 2020
Export Citation:
Assignee:
SOKEN KAGAKU KK (JP)
International Classes:
B32B27/00; B32B27/30; C09J7/38; C09J11/06; C09J133/14; G02B5/30
Domestic Patent References:
| WO2019031064A1 | 2019-02-14 |
Foreign References:
| JP2018001615A | 2018-01-11 | |||
| JP2018159018A | 2018-10-11 | |||
| JP2018159019A | 2018-10-11 | |||
| JP2017095598A | 2017-06-01 | |||
| JP2013107971A | 2013-06-06 | |||
| JP2018177919A | 2018-11-15 | |||
| JP2014005387A | 2014-01-16 |
Attorney, Agent or Firm:
SSINPAT PATENT FIRM (JP)
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