Use of ultrasonic energy to improve nitrocellulose purification

The instant invention relates to a process for removing trace sulfuric acid from 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 facil...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	SPIESS, IRWIN, BAUMANN, ROBERT P, BLAIS, MARCEL
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON DERIVATIVES THEREOF METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS POLYSACCHARIDES THEIR PREPARATION OR CHEMICAL WORKING-UP
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