Barrier coatings post-formation treated with multi-valent metal cations
US9187654B2 · kind B2 · utility
0Cited by
19References
24Claims
0Family size
Inventors
Key dates
| Filing date | Apr 30, 2010 |
| Grant date | Nov 17, 2015 |
| Priority date | — |
| Expiry date | May 10, 2031 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K2201/008
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A gas barrier film includes an anionically functionalized matrix resin and a platy mineral filler. The formed film is surface-treated with a multi-valent metal cation crosslinking agent to stabilize the barrier film against performance loss at elevated levels of relative humidity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.