Title:
粘着剤層及び粘着フィルム
Document Type and Number:
Japanese Patent JP7001771
Kind Code:
B2
Abstract:
To provide an adhesive composition capable of forming an adhesive layer having performance of excellent reworkability and high adhesion in spite of a thin film.SOLUTION: An adhesive composition contains an acrylic polymer being a copolymer having an acid number of 0.1 or less and a weight average molecular weight of 1,000,000 or more produced by copolymerizing 100 pts.wt. of the total of (A) a monomer group composed of an alkyl (meth)acrylate monomer having a C1-C14 alkyl group and a (meth)acrylate monomer having an aromatic group and 0.1 to 3.5 pts.wt. of (B) a hydroxyl group-containing copolymerizable vinyl monomer free from a carboxyl group-containing copolymerizable vinyl monomer in which the acrylic polymer includes one or more kinds selected from 8-hydroxyoctyl (meth)acrylate, 6-hydroxyhexyl (meth)acrylate and 4-hydroxybutyl (meth)acrylate, and further contains an isocyanate compound in a ratio of 0.01 to 0.8 pt.wt. and a silane coupling agent in a ratio of 0.01 to 0.5 pt.wt..SELECTED DRAWING: None
Inventors:
Takeshi Nagakura
Ryo Hasegawa
Hiroyuki Yoshida
Masayo Hishinuma
Ryo Hasegawa
Hiroyuki Yoshida
Masayo Hishinuma
Application Number:
JP2020126784A
Publication Date:
January 20, 2022
Filing Date:
July 27, 2020
Export Citation:
Assignee:
Fujimori Industry Co., Ltd.
International Classes:
C09J7/38; C09J11/06; C09J133/06; G02B5/30
Domestic Patent References:
| JP2013203854A | ||||
| JP2014152317A | ||||
| JP6703086B2 | ||||
| JP6703087B2 | ||||
| JP6644971B2 | ||||
| JP6720255B2 | ||||
| JP6912627B2 | ||||
| JP6912628B2 |
Attorney, Agent or Firm:
田▲崎▼ 聡
Kazunori Onami
Tomoyuki Sadahiro
Kazunori Onami
Tomoyuki Sadahiro