Colored polyimide films and methods relating thereto
US9303136B2 · kind B2 · utility
1Cited by
5References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 18, 2012 |
| Grant date | Apr 5, 2016 |
| Priority date | — |
| Expiry date | Oct 19, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K3/22
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present disclosure is directed to a method of increasing optical density by incorporating carbon black in to a colored polyimide composition to obtain a colored polyimide film. The colored polyimide film has 48 to 94 weight percent of a polyimide, 5 to 25 weight percent pigment and 0.05 to 2 weight percent carbon black.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.