A three-level splitting microfluidic device is rationally designed and established to realize the controllable construction of high-throughput of double emulsions,and the sizes as well as the mono-dispersity of the resultant double emulsions after multi-stage splitting are also analyzed.Besides,a core-shell ethoxylated trimethylolpropane triacrylate(ETPTA)microcapsules with uniform size are synthesized by using the oil-oil-water(O/O/W)double emulsions as template.The obtained findings in the study can provide theoretical guidance for the controllable construction of high-throughput of double emulsions and microcapsules with high mono-dispersity.
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