Dissolution of Absorbent Cotton in Ionic Liquid and Characterization of the Regenerated Cellulose

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Dissolution of absorbent cotton (DP above 4000) using ionic liquids as solvent and regeneration was investigated. The results show that 1-ally-3-methylimidazolium chloride (AMIMCl) was a good solvent to dissolve absorbent cotton and a solution of 3 wt% can be reached in 18 min at 120°C. Besides, as the dissolving temperature increased the time needed for the cotton linters to dissolve decreased. The physic-chemical properties of the regenerated cellulose films were also characterized by XRD, FTIR and TGA analysis.

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163-166

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October 2013

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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