Title:
粘着剤、粘着シート、および積層体
Document Type and Number:
Japanese Patent JP6536664
Kind Code:
B2
Abstract:
The present invention provides an adhesive agent, an adhesive sheet, and a laminate, which can form an adhesive layer having excellent yield and less susceptible to decrease in removability after high temperature. The adhesive contains a urethane polyol (A) having a weight average molecular weight of 100,000 to 500,000 as a reactant of a polyol (a) and a polyisocyanate (b), an isocyanate hardener (B), an antioxidant (D), an antistatic agent (E), and a polyfunctional polyol (F). The number of hydroxyl groups in one molecule of the polyfunctional polyol (F) is preferably 3 or more.
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Inventors:
Shingo Tanabe
Tone Yoshitaka
Shuhei Saito
Tone Yoshitaka
Shuhei Saito
Application Number:
JP2017239850A
Publication Date:
July 03, 2019
Filing Date:
December 14, 2017
Export Citation:
Assignee:
Toyo Ink sc Holdings Co., Ltd.
International Classes:
C09J175/04; B32B27/00; B32B27/18; B32B27/26; B32B27/40; C09J7/38; C09J11/06
Domestic Patent References:
| JP2016176068A | ||||
| JP2016186062A | ||||
| JP2017179084A | ||||
| JP2015091922A | ||||
| JP2001216844A | ||||
| JP6256648B1 |
Attorney, Agent or Firm:
Ken Ieiri
Keiko Hata
Keiko Hata