Title:
MAIN AGENT FOR ADHESIVE, ADHESIVE COMPOSITION, AND ADHESIVE FILM
Document Type and Number:
WIPO Patent Application WO/2022/250105
Kind Code:
A1
Abstract:
The purpose of the present disclosure is to provide an adhesive composition having excellent adhesiveness. An adhesive composition according to the present disclosure contains a copolymer (A) that includes, as constituent monomers, at least one monomer selected from the group consisting of: 2-ethylhexyl acrylate (a1); a branched alkyl (meth)acrylate (a2) other than the 2-ethylhexyl acrylate (a1) that has a 4-10C branched alkyl group; a straight-chain alkyl (meth)acrylate (a3) having a 1-4C straight-chain alkyl group; and a nitrogen atom-containing monomer (a4). In the copolymer (A), the carboxy group concentration is 0.08 mol/kg or less, the hydroxyl group concentration is 0.05 mol/kg or less, and the tertiary carbon concentration derived from the 2-ethylhexyl acrylate (a1) and the branched alkyl (meth)acrylate (a2) is 1.5-5.0 mol/kg, inclusive.
Inventors:
TOMITA YUSUKE
IMAI MASATO
IMAI MASATO
Application Number:
PCT/JP2022/021509
Publication Date:
December 01, 2022
Filing Date:
May 26, 2022
Export Citation:
Assignee:
SANYO CHEMICAL IND LTD (JP)
International Classes:
C09J133/04; C09J4/02; C09J7/38
Foreign References:
| JP2021063204A | 2021-04-22 | |||
| JP2019014852A | 2019-01-31 | |||
| US20130040123A1 | 2013-02-14 | |||
| JPH0592919A | 1993-04-16 |
Attorney, Agent or Firm:
HOKUTO PATENT ATTORNEYS OFFICE (JP)
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