Citation:
LI Song-Ye, LIU Xiao-Fei, ZHUANG Xu-Pin, GUAN Yun-Lin, CHENG Guo-Xiang. Ultrasonic Treatment of Cotton Pulp Cellulose[J]. Chinese Journal of Applied Chemistry,
;2003, 20(11): 1030-1034.
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Cotton pulp cellulose was treated by ultrasonic wave. The DP, morphology, structure and crystal performance of the original and treated cellulose sample were characterized by viscosimetry, SEM, FTIR and WAXD. The result shows that the ultrasonic wave decreases the crystallinity of cellulose destroying the intermolecular hydrogen bonding effectively and improves the dissolution of cellulose, but does not cause degradation. The surface apperance of cellulose also changed after ultrasonic treatment. The mechanism of activation of ultrasonic wave was discussed primarily.
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Keywords:
- cellulose,
- ultrasonic treatment,
- hydrogen bonding,
- crystallinity
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