Dissolubility of the Cellulose in Urea/Caprolactam/NaOH/Aqueous Solution and the  Performance of Regenerated Cellulose

Chem. J. Chinese Universities ›› 2011, Vol. 32 ›› Issue (7): 1629.

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Dissolubility of the Cellulose in Urea/Caprolactam/NaOH/Aqueous Solution and the Performance of Regenerated Cellulose

ZHAO Di-Shun*, LI He, LIU Meng-Shuai, FU Lin-Lin, ZHANG Juan

College of Chemistry and Pharmaceutical Engineering, Hebei University of Science and Technology, Shijiazhuang 050018, China

Received:2010-09-10 Revised:2010-11-24 Online:2011-07-10 Published:2011-06-02
Contact: ZHAO Di-Shun E-mail:dishunzhao@yahoo.com.cn
Supported by:
国家自然科学基金(批准号: 20976107)资助.

Abstract

Abstract: Dissolution of cellulose in urea/caprolactam/NaOH aqueous and the performance of regenerated cellulose were discussed. The best ratio of urea/caprolactam/NaOH in solution was found by orthogonal design(wt): urea10%, caprolactam4%, NaOH8%. The both original cellulose and regenerated cellulose from urea/caprolactam/NaOH aqueous were characterized by Fourier transform infrared spectroscopy(FT-IR), thermogravimetry (TG) and X-ray diffraction (XRD) measurements. Results show that the novel system is a good direct cellulose solution. The solubility cellulose in urea/caprolactam/NaOH aqueous was better at lower temperature. The crystal of regenerated cellulose has changed and the thermostability of regenerated cellulose slightly decreased.

Key words: urea/caprolactam/NaOH, cellulose, solubility

CLC Number:

O631.1

TrendMD:

ZHAO Di-Shun*, LI He, LIU Meng-Shuai, FU Lin-Lin, ZHANG Juan. Dissolubility of the Cellulose in Urea/Caprolactam/NaOH/Aqueous Solution and the Performance of Regenerated Cellulose[J]. Chem. J. Chinese Universities, 2011, 32(7): 1629.

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Dissolubility of the Cellulose in Urea/Caprolactam/NaOH/Aqueous Solution and the Performance of Regenerated Cellulose

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