Title:
偏光膜用接着組成物および偏光膜
Document Type and Number:
Japanese Patent JP7430097
Kind Code:
B2
Abstract:
To provide a polarization film capable of exhibiting peel resistance and water resistance in good balance during cutting.SOLUTION: A polarization film adhesion composition for bonding a polarization layer including polyvinyl alcohol (PVA) and a protective layer including at least one polymer material selected from a group consisting of triacetyl cellulose (TAC), highly oriented PET, a cycloolefin polymer (COP) and an acrylic resin comprises (a) a modified or unmodified polyvinyl alcohol (PVA), (b) a crosslinking agent having a dialdehyde structure, (c) carboxylic acid and (d) water. The content of the (b) crosslinking agent having a dialdehyde structure to the total polarization film adhesion composition is 0.1 mass% or more and 10 mass% or less; the content of the (c) carboxylic acid is 0.1 mass% or more and 10 mass% or less; and the content of the (d) water is 80 mass% or more and 99 mass% or less.SELECTED DRAWING: None
Inventors:
Shohei Yoshida
Akihiro Yamashita
Akihiro Yamashita
Application Number:
JP2020067713A
Publication Date:
February 09, 2024
Filing Date:
April 03, 2020
Export Citation:
Assignee:
Denka Company Limited
International Classes:
G02B5/30; B32B7/023; B32B7/12; B32B27/00; B32B27/26; B32B27/30; C09J7/30; C09J11/06; C09J129/04
Domestic Patent References:
| JP2010077385A | ||||
| JP2017019960A | ||||
| JP2010043158A | ||||
| JP2006321835A | ||||
| JP2017008309A | ||||
| JP2017032813A |
Foreign References:
| CN101793992A | ||||
| KR1020070015428A |
Attorney, Agent or Firm:
Shinji Hayami