Pickering emulsion stabilized by lignin particles: Influence of oil phase, lignin concentration, and particle size

IF 2.2 4区化学 Q3 CHEMISTRY, PHYSICAL Colloid and Polymer Science Pub Date : 2024-03-02 DOI:10.1007/s00396-024-05226-1

Yuxia Pang, Yingdong Luo, Zhiping Li, Yanling Luo, Hongming Lou, Mingsong Zhou

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Abstract

Pickering emulsion stabilized by lignin particles has many advantages such as high flexibility, natural non-toxicity, anti-oxidation, and anti-ultraviolet. In order to promote the application of industrial lignin in the field of Pickering emulsions, this study has done comparatively systematic and basic research on Pickering emulsions stabilized by lignin particles. The emulsification effects of lignin particles on cyclohexane and n-decanol which have opposite polarity were compared firstly under different oil-water ratios. It was found that stable emulsions formed when the three-phase contact angle of oil/water/lignin was closer to 90°. The weakly polar cyclohexane could be well-emulsified by lignin particles, while the strong polar n-decanol could not. Cyclohexane was used as the oil phase to discuss the emulsification ability of lignin particles under different concentrations or with different particle sizes. The results show increasing the concentration of lignin particles or reducing the particle size can improve the emulsification performance.

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木质素颗粒稳定的皮克林乳液：油相、木质素浓度和粒度的影响

木质素颗粒稳定的皮克林乳液具有高柔韧性、天然无毒、抗氧化、抗紫外线等诸多优点。为了促进工业木质素在皮克林乳液领域的应用，本研究对木质素颗粒稳定的皮克林乳液进行了比较系统的基础研究。首先比较了木质素颗粒在不同油水比条件下对极性相反的环己烷和正癸醇的乳化效果。结果发现，当油/水/木质素的三相接触角接近 90°时，会形成稳定的乳状液。弱极性的环己烷能被木质素颗粒很好地乳化，而强极性的正癸醇则不能。以环己烷为油相来讨论不同浓度或不同粒径木质素颗粒的乳化能力。结果表明，提高木质素颗粒的浓度或减小粒径可改善乳化性能。

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来源期刊

Colloid and Polymer Science 化学-高分子科学

CiteScore

4.60

自引率

4.20%

发文量

111

审稿时长

2.2 months

期刊介绍： Colloid and Polymer Science - a leading international journal of longstanding tradition - is devoted to colloid and polymer science and its interdisciplinary interactions. As such, it responds to a demand which has lost none of its actuality as revealed in the trends of contemporary materials science.