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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. shu

Ultrasonic Treatment of Cotton Pulp Cellulose

1.
Tianjin University, Tianjin 300072

Corresponding author: GUAN Yun-Lin,
Received Date: 26 December 2002
Available Online: 29 August 2003
Fund Project: 国家自然科学基金资助项目(50173019) (50173019)

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.
- cellulose,
- ultrasonic treatment,
- hydrogen bonding,
- crystallinity
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