Abstract
Cellulose nanofibrils (CNFs) are ideal Pickering emulsion stabilizers, but they have limitations due to their strong hydrophilicity. In this work, modified CNFs (M-CNFs) with a water contact angle of 93.1 ± 0.6° were successfully prepared by methyl trimethoxysilane. Subsequently, the performance of the M-CNFs was characterized by crystallization performance determination (XRD), Fourier transform infrared spectra (FTIR), particle size determination, thermogravimetric analysis and so on. As well as, the O/W Pickering emulsions prepared with M-CNFs as a stabilizer has good performance in the diameter and particle size distribution, most droplet sizes can be maintained within 5 μm, and unimodal distribution was presented. It can show more stable performance under medium and alkaline conditions (pH = 7–11), and has certain anti-ion ability. Thus, this study has potential applications in coating, paint, sewage treatment and other fields.
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Acknowledgements
The financial support for this project was from the National Key Research and Development Program of China (No. 2022YFC2105503).
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National Key Research and Development Program of China, No. 2022YFC2105503, pengtao Liu.
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Wanyi Liu: Investigation, Data curation, Methodology, Resources, Formal analysis, Software, Writing—original draft, Writing—review & editing. Rong Fan: Methodology, Visualization. Wenxue Wang: Software, Resources. Pengtao Liu: Project administration, Resources, Funding acquisition, Supervision, Writing—review & editing.
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Liu, W., Fan, R., Wang, W. et al. Silanized modified cellulose: preparation and evaluation of O/W Pickering emulsion stabilizers. J Polym Res 31, 16 (2024). https://doi.org/10.1007/s10965-023-03859-4
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DOI: https://doi.org/10.1007/s10965-023-03859-4