Journal
CARBOHYDRATE POLYMERS
Volume 76, Issue 1, Pages 94-99Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.carbpol.2008.09.034
Keywords
Morus alba L.; Mulberry fiber; Cellulose; Cellulose whisker
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Funding
- Program for Changjiang Scholars and Innovative Research Team in University [IRT0654]
- Program for New Century Excellent Talents in University [NCET070763]
- National Natural Science Foundation of China [10672145]
- National Basic Research Program of China [2008CB617506]
- Program for Qianjiang Talents of Zhejiang Province [2008R10006]
- Key Program of Science and Technology Plan of Zhejiang Province [2007C22059]
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A kind of cellulose whiskers were extracted from the branch-barks of mulberry (Morus alba L.) by an alkali treatment at 130 degrees C and subsequently a sulfuric acid hydrolysis. AFM image showed that the diameter of obtained whiskers was ranged from 20 to 40 nm. The chemical compositions analysis, FT-IR, XRD results indicated that the hemicellulose and lignin were removed extensively in the cellulose whiskers, with a crystallinity of 73.4%. The TGA curves implied a two-stage thermal decomposition behavior of cellulose whisker due to the introduction of sulfated groups into the crystals in the sulfuric acid hydrolysis process. The obtained whiskers may have the potential applications in the fields of composites as a reinforcing phase, as well as in pharmaceutical and optical industries as additives. (C) 2008 Elsevier Ltd. All rights reserved.
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