Method for forming solution cast tetrafluoroethylene polymer films
US5690878A · kind A · utility
5Cited by
8References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 9, 1996 |
| Grant date | Nov 25, 1997 |
| Priority date | — |
| Expiry date | Aug 9, 2016 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2327/18
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Perfluorinated cycloalkane solvents for dissolving high melting polymers containing tetrafluoroethylene, are disclosed. These solvents dissolve such polymers more rapidly, and/or are more stable, than previously known solvents. Also disclosed is a process for dissolution of the polymers and their resulting solutions. The solutions are useful for making polymer films, coatings and for encapsulating objects.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.