Adhesive, polarizing plate including an adhesive layer prepared from the adhesive, and optical member including the polarizing plate
US9097855B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 28, 2012 |
| Grant date | Aug 4, 2015 |
| Priority date | — |
| Expiry date | Sep 6, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2891
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An adhesive for adhering a protective film, the protective film having a water vapor transmission rate of about 100 g/m2·day or less at 40° C. and about 90% RH during manufacture of an optical member including a polarizing plate, a polarizing plate including an adhesive layer prepared from the adhesive, and an optical member including the polarizing plate, the adhesive including a (meth)acrylic copolymer, the (meth)acrylic copolymer having a weight average molecular weight of about 800,000 g/mol or more; a curing agent; and a silane coupling agent, wherein an adhesive layer prepared from the adhesive has a storage modulus, after curing, of about 8×103 Pa or more at about 85° C. and a frequency of about 10−3 rad/s to about 102 rad/s.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.