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Corrigendum to: Preparation and synthesis of water-soluble chitosan derivative incorporated in ultrasonic-assistant wheat straw paper for antibacterial food-packaging

This erratum corrects the original online version which can be found here: https://doi.org/10.3183/npprj-2017-32-04_p606-614_pu
  • Chao Dang , Yihui Yin and Junwen Pu EMAIL logo
Published/Copyright: April 30, 2025
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Corrigendum to: Dang, C., Yin, Y. and Pu, J. (2017). Preparation and synthesis of water-soluble chitosan derivative incorporated in ultrasonic-assistant wheat straw paper for antibacterial food-packaging. Nordic Pulp & Paper Research Journal 32: 606–614. https://doi.org/10.3183/npprj-2017-32-04_p606-614_pu.

It has come to the authors’ attention that the TGA curves of the chitosan (a) and HTACC (b) in Figure 6 were misassigned and are now corrected. This error did not affect the analysis or interpretation of the results in any way. The authors sincerely apologize to the readers for this error.

Corrected Figure 1: 
TGA and DTG curves of chitosan (a) and HTACC (b).
Corrected Figure 1:

TGA and DTG curves of chitosan (a) and HTACC (b).

Corrected discussion reg. original article p. 611 (the corrected parts are highlighted in bold)

Both chitosan and HTACC could be divided into two weight loss stages. Stage I (50 °C to about 177°C) was a dehydration process, the mass loss was associated with the water evaporation. In stage II (177°C to about 330 °C) the most mass was lost, mainly caused by the thermal degradation of the chitosan and the HTACC, including dehydration of the saccharide rings, depolymerization, and decomposition of the side chain (Feng and Xia 2011). In this stage, the HTACC lost mass faster than the chitosan, indicating that the HTACC’s thermal stability was reduced. Meanwhile, DTG curves show maximum rate of the chitosan’s weight loss (approximately 265°C) was higher than the HTACC’s (approximately 202 °C).


Corresponding author: Junwen Pu, MOE Engineering Research Centre of Forestry Biomass Materials and Bioenergy, Beijing Forestry University, Beijing 100083, P. R. China, E-mail:

Published Online: 2025-04-30
Published in Print: 2025-09-25

© 2025 Walter de Gruyter GmbH, Berlin/Boston

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