Microporous polymer films and methods of their production
Patent
·
OSTI ID:63434
A process is described for producing thin microporous polymeric films for a variety of uses. The process utilizes a dense gas (liquefied gas or supercritical fluid) selected to combine with a solvent-containing polymeric film so that the solvent is dissolved in the dense gas, the polymer is substantially insoluble in the dense gas, and two phases are formed. A microporous film is obtained by removal of a dense gas-solvent phase. 9 figs.
- Research Organization:
- AT&T Corporation
- DOE Contract Number:
- AC04-76DP00789
- Assignee:
- Sandia Corp., Albuquerque, NM (United States)
- Patent Number(s):
- US 5,422,377/A/
- Application Number:
- PAN: 8-223,793
- OSTI ID:
- 63434
- Country of Publication:
- United States
- Language:
- English
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