Spray forming polymer membranes, coatings and films
Patent
·
OSTI ID:868956
- Idaho Falls, ID
- Rigby, ID
A method of 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.
- Research Organization:
- EG & G IDAHO INC
- DOE Contract Number:
- AC07-76ID01570
- Assignee:
- FG&G Idaho Inc. (Idaho Falls, ID)
- Patent Number(s):
- US 5252212
- OSTI ID:
- 868956
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
/210/427/
carrier
carrier gas
characteristics
chemical
chemical characteristics
chemistries
coatings
controlled
controlled ph
controlled physical
converging
deposition
deposition parameters
directed
disclosed
diverging
diverging nozzle
droplets
entrained
exit
film
films
form
forming
gas
introduced
leave
liquid
membranes
method
movement
nebulized
non-porous
nozzle
parameters
permeable membrane
permeable membranes
physical
plume
polymer
polymer film
polymer membrane
polymer membranes
polymer precursor
polymer systems
polyphosphazene
porous
precursor
provided
relative
relative movement
semipermeable
semipermeable membrane
semipermeable membranes
spray
spray forming
substrate
systems
throat
variety
varying
carrier
carrier gas
characteristics
chemical
chemical characteristics
chemistries
coatings
controlled
controlled ph
controlled physical
converging
deposition
deposition parameters
directed
disclosed
diverging
diverging nozzle
droplets
entrained
exit
film
films
form
forming
gas
introduced
leave
liquid
membranes
method
movement
nebulized
non-porous
nozzle
parameters
permeable membrane
permeable membranes
physical
plume
polymer
polymer film
polymer membrane
polymer membranes
polymer precursor
polymer systems
polyphosphazene
porous
precursor
provided
relative
relative movement
semipermeable
semipermeable membrane
semipermeable membranes
spray
spray forming
substrate
systems
throat
variety
varying