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International Journal of Energetic Materials and Chemical Propulsion
ESCI SJR: 0.28 SNIP: 0.421 CiteScore™: 0.9

ISSN Imprimir: 2150-766X
ISSN En Línea: 2150-7678

International Journal of Energetic Materials and Chemical Propulsion

DOI: 10.1615/IntJEnergeticMaterialsChemProp.2011001974
pages 447-454

EFFECT OF ULTRASONIC TREATMENT ON THE SOLUBILITY OF HIGH NITROGEN CONTENT NITROCELLULOSE

Wenfang Zheng
School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, People's Republic of China
Renming Pan
School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, People's Republic of China
Xiangyang Lin
School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, People's Republic of China
Xiaoli Fu
School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, People's Republic of China
Zhanbin Chen
School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, People's Republic of China

SINOPSIS

This paper investigates a method to improve the solubility of high nitrogen content nitrocellulose by ultrasonic treatment. Nitrocellulose with 13.47% nitrogen content was treated with ultrasonic waves for 5−60 min in water or in an ether-alcohol solution. The effects of the ultrasonic treatment on macromolecular structure and solubility of the nitrocellulose were studied. The results indicated that the solubility of the nitrocellulose could be notably improved without visibly altering the structure. The solubility of the original nitrocellulose was 6.51%. When treated in water, the solubility of the nitrocellulose could only be increased to 6.86%. However, when treated in an ether-alcohol solution, the solubility could be increased to 11.48%. In addition, a mechanism for the solubility changes during the ultrasonic treatment is proposed.


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