Title:
PHOTOCURABLE ADHESIVE SHEET, LAMINATE FOR IMAGE DISPLAY DEVICE, AND IMAGE DISPLAY DEVICE
Document Type and Number:
Japanese Patent JP2020026529
Kind Code:
A
Abstract:
To provide a photocurable adhesive sheet that combines stability of shape and conformance to level differences, demonstrates superior durability after being adhered to an adhesion member, and furthermore can suppress flowing and bubbling even when there is a light blocking section, such as a printed section, on the adhesion member.SOLUTION: The photocurable adhesive sheet is formed from a photocurable adhesive composition including a (meth)acrylic copolymer (A), a crosslinking agent (B) other than a photocrosslinking agent, a photocrosslinking agent (C), and a photoinitiation agent (D), wherein the loss tangent (Tanδ) at a temperature of 90°C is 0.9 or greater.SELECTED DRAWING: None
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Inventors:
ISHII KAHORU
NOZAWA DAIKI
INANAGA MAKOTO
NOZAWA DAIKI
INANAGA MAKOTO
Application Number:
JP2019145636A
Publication Date:
February 20, 2020
Filing Date:
August 07, 2019
Export Citation:
Assignee:
MITSUBISHI CHEM CORP
International Classes:
C09J7/38; C09J4/06; C09J11/06; C09J133/00; C09J133/14; C09J151/06; C09J175/00; G02B5/30
Domestic Patent References:
| JP2014227453A | 2014-12-08 | |||
| JP2014196442A | 2014-10-16 | |||
| JP2011209379A | 2011-10-20 |
Foreign References:
| WO2015137178A1 | 2015-09-17 |
Attorney, Agent or Firm:
Takeuchi/Ichizawa International Patent Office