Adhesive for polarizing plate, polarizing plate, method for producing same, optical film and image display
US7662447B2 · kind B2 · utility
1Cited by
5References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 15, 2004 |
| Grant date | Feb 16, 2010 |
| Priority date | — |
| Expiry date | Aug 5, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31855
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An adhesive of the invention for polarizing plates used for forming an adhesive layer in a polarizing plate in which a polarizer and a transparent protective film is are adhering with each other via the adhesive layer, wherein the adhesive for polarizing plates is an aqueous solution containing a polyvinyl alcohol-based resin having an acetoacetyl group and a crosslinking agent, and the aqueous solution has a pH of 4.3 or less. The adhesive of the invention for polarizing plates is good in durability and long in pot life.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.