Title:
Adhesive composition and adhesive tape
Document Type and Number:
Japanese Patent JP6307175
Kind Code:
B2
Abstract:
Disclosed are: an adhesive agent composition which comprises (A) an acrylic copolymer, (B) a crosslinking agent, (C) a silane coupling agent and (D) an antioxidant, and is produced using a peroxide-type polymerization initiator, and has a weight average molecular weight of 950,000 to 2,000,000 and a theoretical Tg of -55ºC or lower, wherein the acrylic copolymer (A) contains, as components of a polymer chain thereof, 10 to 20% by mass of (A1) a (meth)acrylic acid alkyl ester having a C1-3 alkyl group, 50 to 80% by weight of (A2) a (meth)acrylic acid alkyl ester having a C4-12 alkyl group, 10 to 15% by mass of (A3) a carboxyl group-containing monomer, 0.01 to 0.5% by mass of (A4) a hydroxyl group-containing monomer and 1 to 5% by mass of (A5) vinyl acetate; and an adhesive tape produced using the adhesive agent composition.
Inventors:
Yasushi Tsuchiya
Yamashita Reimi
Yamashita Reimi
Application Number:
JP2016561106A
Publication Date:
April 04, 2018
Filing Date:
November 25, 2014
Export Citation:
Assignee:
Teraoka Manufacturing Co., Ltd.
International Classes:
C09J133/06; C09J7/20; C09J11/06; C09J131/04; C09J133/14
Domestic Patent References:
| JP2012041456A | ||||
| JP2008031208A | ||||
| JP2014178364A | ||||
| JP2003213232A | ||||
| JP2006070060A | ||||
| JP4889234A |
Foreign References:
| WO2014002203A1 | ||||
| US20090075008 |
Attorney, Agent or Firm:
Ishibashi Masayuki
Fumiko Mihara
Fumiko Mihara