Spray forming polymer membranes, coatings and films
Patent
·
OSTI ID:5304065
A method is described for forming a polymer film having controlled physical and chemical characteristics, wherein a plume of nebulized droplets of a polymer or polymer precursor is directed toward a substrate from a converging/diverging nozzle having a throat at which the polymer or a precursor thereof is introduced and an exit from which the nebulized droplets of the polymer or precursor thereof leave entrained in a carrier gas. Relative movement between the nozzle and the substrate is provided to form a polymer film. Physical and chemical characteristics can be controlled by varying the deposition parameters and the gas and liquid chemistries. Semipermeable membranes of polyphosphazene films are disclosed, as are a variety of other polymer systems, both porous and non-porous. 4 figures.
- DOE Contract Number:
- AC07-76ID01570
- Assignee:
- EG and G Idaho Inc., Idaho Falls, ID (United States)
- Patent Number(s):
- A; US 5252212
- Application Number:
- PPN: US 7-748156
- OSTI ID:
- 5304065
- Country of Publication:
- United States
- Language:
- English
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