In this work dispersions of nanodimensional particles of cellulose were obtained, and their zeta potential at pH values from 1 to 14 was determined. It was established that cellulose nanofibrils (CNF) retains its sedimentation stability at pH values from 3 to 11. Here CNF obtained by acid treatment with homogenization has a maximum zeta potential of about – 62 mV at pH = 6. CNF obtained by oxidative treatment with homogenization has maximum zeta potential of about –46 mV at pH = 7. Cellulose nanocrystals obtained by oxidative treatment with homogenization retains its sedimentation stability at pH values from 4 to 11 and has a maximum zeta potential of about –73 mV at pH = 4.
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The work was funded by the Ministry of Education and Science of the Russian Federation within the framework of a state assignment, project 0768-2020-0007. The reported study of B. Anikushin was funded by RFBR, project number 19-38-90292.
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Translated from Khimiya i Tekhnologiya Topliv i Masel, No. 6, pp. 41–43, November – December, 2021.
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Anikushin, B.M., Lagutin, P.G., Kanbetova, A.M. et al. Zeta Potential of Nanosized Particles of Cellulose as a Function of pH. Chem Technol Fuels Oils 57, 913–916 (2022). https://doi.org/10.1007/s10553-022-01328-0
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DOI: https://doi.org/10.1007/s10553-022-01328-0