Title:
粘着剤組成物及び表面保護フィルム
Document Type and Number:
Japanese Patent JP6863538
Kind Code:
B2
Abstract:
The purpose of the present invention is to provide an adhesive composition that is capable of maintaining the transparency of an object to which a surface protective film is bonded even under high temperature high humidity conditions, while maintaining adequate curability even in cases where the film thickness is small. An adhesive composition according to the present invention contains (A) a urethane resin, (B) a curing agent and (C) a phosphorus curing accelerator, and is characterized in that: the urethane resin (A) has an acid group; the curing agent (B) contains an epoxy curing agent that has two or more epoxy groups in each molecule and an isocyanate curing agent that has two or more isocyanate groups in each molecule; and the phosphorus curing accelerator (C) is composed of a phosphonium salt.
Inventors:
Koji Sato
Tomohige
Yuki Komatsuzaki
Tomohige
Yuki Komatsuzaki
Application Number:
JP2020558081A
Publication Date:
April 21, 2021
Filing Date:
July 25, 2019
Export Citation:
Assignee:
DIC Corporation
International Classes:
C09J175/04; B32B27/00; B32B27/40; C08G18/34; C09J7/38
Domestic Patent References:
| JP2010144058A | ||||
| JP6292429B1 | ||||
| JP2016186029A | ||||
| JP2010180290A | ||||
| JP201126418A | ||||
| JP20157226A |
Foreign References:
| WO2017126568A1 | ||||
| WO2017010158A1 |
Attorney, Agent or Firm:
Shinji Ogawa
Akihiro Iwamoto
Takayuki Ohno
Yoshihisa Saito
Akihiro Iwamoto
Takayuki Ohno
Yoshihisa Saito