Use of ultrasonic energy to improve nitrocellulose purification

Details Use of ultrasonic energy to improve nitrocellulose purification Use of ultrasonic energy to improve nitrocellulose purification

1981-12-24

1983-06-14

Clingman, A. Lionel

Organic compounds -- part of the class 532-570 series

Organic compounds

Carbohydrates or derivatives

149100, 536 35, C08B 504

Patent

active

043884580

ABSTRACT:
The instant invention relates to a process for removing trace sulfuric acid rom nitrocellulose fibers by dispersing the fibers in water and then subjecting them to ultrasonic energy for a time period and at an energy level sufficient to enhance the nitrocellulose fibers contact with water and facilitate sulfuric acid dispersal in the water. The waste water containing the traces of sulfuric acid contaminant from the nitrocellulose fibers is removed and the purified nitrocellulose fibers recovered.

REFERENCES:
patent: 3057012 (1962-10-01), Lufkin
patent: 3456357 (1969-07-01), Griffith
patent: 4138535 (1979-02-01), Schweiser
patent: 4334060 (1982-06-01), Blais

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