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Preparation and Characterization of Dialdehyde Nanocellulose

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Abstract:

Dialdehyde nanocellulose (DANC) was prepared by periodate selective oxidation of secondary hydroxyl group of nanocrystalline cellulose (NCC). NCC and DANC samples were characterized by FT-IR, XRD and conductimetric titration. Aldehyde groups were introduced during the process of sodium periodate oxidation, which was confirmed by the FT-IR spectra. The aldehyde group content increased with the increase of sodium periodate. The crystallinity index (CrI) and crystallite size of the samples were continuously decreased with the increase of the oxidant.

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Periodical:

Advanced Materials Research (Volume 988)

Pages:

79-83

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.988.79

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Online since:

July 2014

Authors:

Wei Gong Li*, Qing Hua Xu

Keywords:

Dialdehyde Nanocellulose, Nanocrytalline Cellulose, Periodate Oxidation

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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