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Erschienen in: Cellulose 2/2020

04.11.2019 | Original Research

Stabilization of Pickering emulsions with cellulose nanofibers derived from oil palm fruit bunch

verfasst von: Xia Li, Jun Li, Yishan Kuang, Shasha Guo, Lihuan Mo, Yonghao Ni

Erschienen in: Cellulose | Ausgabe 2/2020

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Abstract

Converting oil palm empty fruit bunch (OPEFB) to high value-added products can contribute to sustainable development by decreasing solid waste. In this paper, cellulose nanofibers (CNFs) were prepared from OPEFB by following the processes of soda pulping, bleaching, 2,2,6,6-tetramethylpiperidine-1-oxyl (TEMPO) oxidation, and high-pressure homogenization. Subsequently, the as-prepared CNFs were studied for their potential to stabilize Pickering emulsions. TEM results showed that the as-prepared individual CNFs were 4 nm in width and a few microns in length. Stable Pickering emulsions occurred at 2% CNF dosage, with emulsion droplet of 10 μm in terms of volume mean diameter, D [4, 3]. SEM results supported the presence of CNFs at the O/W interfaces, and CNF networks between the emulsion droplets. The effect of salt concentrations on the emulsion performance was further studied, showing that the conversion of emulsions to gels occurs at a salt concentration of 50 mM or higher.

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Literatur
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Metadaten
Titel
Stabilization of Pickering emulsions with cellulose nanofibers derived from oil palm fruit bunch
verfasst von
Xia Li
Jun Li
Yishan Kuang
Shasha Guo
Lihuan Mo
Yonghao Ni
Publikationsdatum
04.11.2019
Verlag
Springer Netherlands
Erschienen in
Cellulose / Ausgabe 2/2020
Print ISSN: 0969-0239
Elektronische ISSN: 1572-882X
DOI
https://doi.org/10.1007/s10570-019-02803-4

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