Adhesive agent composition
US10053602B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 26, 2014 |
| Grant date | Aug 21, 2018 |
| Priority date | — |
| Expiry date | Sep 26, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F293/005
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
An adhesive composition, includes: a block copolymer (X) that includes a block (A) and a block (B), the block (A) having a glass transition point of 75° C. or higher, the block (A) including a monomer unit having a cyclic structure and a carboxyl group-containing monomer unit, the block (B) containing an acrylic acid ester unit represented by the following general Formula (1) in an amount of 70 mass % or more, the block copolymer (X) having an acid value of 8 mgKOH/g or more, in which a mass ratio of the block (A) to the block (B) (block (A)/block (B)) is 10/90 to 30/70, the block (A) is located on at least one end of the block copolymer (X), and the block (B) is sandwiched between blocks (A) at said one end of the block copolymer (X). CH2═CR1—COOR2 (1)
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.