Title:
LAMINATE, OPTICAL MEMBER, AND OPTICAL DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/053912
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a laminate of an air gap layer and an adhesive layer that achieves both an adhering force or a bonding force and non-permeability of an adhesive agent or a bonding agent to an air gap. In order to achieve the above object, a laminate (10) or (10a) of the present invention comprises an air gap layer (11) and an adhesive layer (12), characterized in that the adhesive layer (12) is directly laminated on one side or both sides of the air gap layer (11), the adhesive layer (12) contains (meth)acrylic polymer, and the adhesive layer (12) has nanoindentation hardness of 0.1 MPa or more and 1.0 MPa or less.
Inventors:
SUGINO AKIKO (JP)
TAKAHASHI TOMOKAZU (JP)
HATTORI DAISUKE (JP)
HAMADA CHIE (JP)
YOSHIMI TOSHIYA (JP)
TAKAHASHI TOMOKAZU (JP)
HATTORI DAISUKE (JP)
HAMADA CHIE (JP)
YOSHIMI TOSHIYA (JP)
Application Number:
PCT/JP2022/034005
Publication Date:
April 06, 2023
Filing Date:
September 12, 2022
Export Citation:
Assignee:
NITTO DENKO CORP (JP)
International Classes:
B32B27/00; B32B3/24; B32B27/30; C09J7/26; C09J7/38; C09J133/00; C09J133/04; G02B1/10; G02B1/111
Domestic Patent References:
| WO2021111995A1 | 2021-06-10 | |||
| WO2019044623A1 | 2019-03-07 | |||
| WO2018062289A1 | 2018-04-05 | |||
| WO2019065999A1 | 2019-04-04 | |||
| WO2019065803A1 | 2019-04-04 |
Foreign References:
| JP2012156082A | 2012-08-16 | |||
| JP2014046518A | 2014-03-17 | |||
| JP2021162189A | 2021-10-11 | |||
| JP2021162190A | 2021-10-11 | |||
| JP2022052542A | 2022-04-04 |
Attorney, Agent or Firm:
TSUJIMARU Koichiro et al. (JP)
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