Journal
CARBOHYDRATE POLYMERS
Volume 94, Issue 1, Pages 38-45Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.carbpol.2013.01.043
Keywords
Isolation; Wheat straw cellulose; TBAH; XRD; FTIR; Recycling
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Funding
- State Key Basic Research and Development Plan of China [2009CB724700]
- National Key Technology RD Program [2011BAD15B02]
- National Hi-Tech RD Program [2012AA021405]
- Jiangsu Key Technology RD Program [BE2010359]
- PAPD
- Jiangsu Province Natural Science Foundation Innovation Project [SBK200910195]
- PCSIRT [IRT1066]
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In this article, a novel and high efficient solvent, tetra-n-Butylammonium Hydroxide (TBAH), was used for dissolution and isolation of straw cellulose from wheat straw. The composition analysis with gas chromatography (GC) and the spectroscopic characterization analysis conducted by X-Ray diffraction (XRD)/Fourier transform infrared spectroscopy (FTIR) indicated that straw cellulose can be directly dissolved and isolated by TBAH without derivatization. The investigation on the pr operties of straw cellulose isolation was based on the results of single factor experiments and orthogonal experiments, with optimum conditions for straw cellulose isolation being obtained as follow: reaction temperature 60 degrees C, reaction time 40 min, concentration of TBAH 50% and ratio of TBAH to straw 10:1 (m/m). In addition, as a solvent for cellulose, TBAH could be recycled several times with high activity being retained. (C) 2013 Elsevier Ltd. All rights reserved.
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