Abstract
Double emulsions have great potential application in many fields. Although many companies and research institutions have developed various strategies for forming double emulsions, production and stability are not straightforward. Meanwhile, none of the well-organized simple device and scalable technique was available to form highly monodispersed double emulsions. Herein, we present a one-step strategy to produce highly monodisperse double emulsion via assembled micro-cross device. This device has a lot of advantages, such as easy assembly/disassembly and high repeatability. High-throughput is also easily achievable for its high-pressure capacity. Moreover, we systematically studied the effects of the three flow rates on the size and structure of the double emulsions. A mathematical model has been developed to predict the inner and outer droplets size of the double emulsion. We prepared the flame-retardant microcapsules with a dimethyl methylphosphonate (DMMP) inner core and an ultraviolet-curable polysiloxane shell. We hope that this assembled micro-cross device can be employed extensively in the area of microfluidics.
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This work is supported by the National Natural Science Foundation of China (NSFC No.31670866, 31970754).
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Zhu, J., Chen, J., Luo, Z. et al. One-step microdevices for synthesizing morphology-controlled ultraviolet-curable polysiloxane shell particles. J Flow Chem 10, 627–635 (2020). https://doi.org/10.1007/s41981-020-00106-5
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DOI: https://doi.org/10.1007/s41981-020-00106-5