Generation of styrene droplets in a coaxial flow device

IF 2 4区化学 Q3 CHEMISTRY, MULTIDISCIPLINARY

Journal of Flow Chemistry Pub Date : 2025-05-23 DOI:10.1007/s41981-025-00356-1

Jue Wang, Yadong Zhang

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Abstract

Styrene droplets were generated using a coaxial flow droplet microfluidic device. In the self-assembled coaxial flow droplet generation device, styrene was used as the dispersed phase and the aqueous solution containing surfactant was used as the continuous phase to study the generation of styrene droplets. The effects of the two-phase flow rate and surfactant concentration on the droplet size were investigated, and a mathematical correlation formula for predicting the droplet size was obtained by three-dimensional analysis of the experimental values. The results showed that the diameter of the droplet was negatively correlated with the flow rate of the continuous phase and the concentration of surfactant in the continuous phase, and the diameter of the droplet was positively correlated with the flow rate of the dispersed phase. The diameter of styrene droplets produced by coaxial flow droplet generation device ranges from 70.39 μm to 377.09 μm. The predicted values obtained by the correlation formula are in good agreement with the experimental values, with an error within 25%. The successful generation of styrene droplets in the self-assembled coaxial flow device provides the idea for the generation of monodisperse Oil-in-Water droplets.

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同轴流装置中苯乙烯液滴的产生

采用同轴流液滴微流控装置制备苯乙烯液滴。在自组装同轴流液滴生成装置中，以苯乙烯为分散相，以含表面活性剂的水溶液为连续相，研究苯乙烯液滴的生成。研究了两相流速和表面活性剂浓度对液滴粒径的影响，并对实验值进行了三维分析，得到了预测液滴粒径的数学关联公式。结果表明：液滴直径与连续相流速和连续相中表面活性剂浓度呈负相关，液滴直径与分散相流速呈正相关；采用同轴流液滴产生装置制备的苯乙烯液滴直径范围为70.39 ~ 377.09 μm。利用相关公式得到的预测值与实验值吻合较好，误差在25%以内。在自组装同轴流装置中成功生成苯乙烯液滴，为生成单分散的水包油液滴提供了思路。

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来源期刊

Journal of Flow Chemistry CHEMISTRY, MULTIDISCIPLINARY-

CiteScore

6.40

自引率

3.70%

发文量

审稿时长

>12 weeks

期刊介绍： The main focus of the journal is flow chemistry in inorganic, organic, analytical and process chemistry in the academic research as well as in applied research and development in the pharmaceutical, agrochemical, fine-chemical, petro- chemical, fragrance industry.