Process for forming nitrocellulose films

Details Process for forming nitrocellulose films Process for forming nitrocellulose films

2007-06-26

2007-06-26

Kiliman, Leszek (Department: 1773)

Stock material or miscellaneous articles

Composite

Of carbohydrate

C428S536000, C428S537500, C428S403000, C428S407000, C427S212000

Reexamination Certificate

active

10969090

ABSTRACT:
A process of forming a nitrocellulose film on a carrier includes the steps of (i) atomizing a nitrocellulose solution to form a plurality of fine nitrocellulose particles and (ii) evenly spraying the nitrocellulose particles on the carrier to form the nitrocellulose film. The film has a predetermined thickness. The nitrocellulose solution is atomized by an ultrasonic spraying nozzle to control a size of each of the nitrocellulose particles to be sprayed on the carrier. The nebulizer can be air-assisted by inert air to control characteristics of the nitrocellulose spray pattern.

REFERENCES:
patent: 2964417 (1960-12-01), Ward
“Atomization”, Concept and Theory Training, www.sono-tek.com/technology/main—tech.html.

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