Single Emulsion Microfluidic Production of Janus and Core-Shell Particles <italic style="font-style: italic">via</italic> Off-chip Polymerization

Ai-di Zhu; Ming-yu Guo

doi:10.1007/s10118-016-1748-x

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Single Emulsion Microfluidic Production of Janus and Core-Shell Particles via Off-chip Polymerization

Updated：2021-06-21

- Single Emulsion Microfluidic Production of Janus and Core-Shell Particles via Off-chip Polymerization
- Chinese Journal of Polymer Science Vol. 34, Issue 3, Pages: 367-377(2016)
- Affiliations：
  
  Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis, Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
- Author bio：
  
  **Ming-yu Guo (郭明雨), E-mail: guomingyu@suda.edu.cn
- Funds：
- DOI：10.1007/s10118-016-1748-x
  CLC：
- Received：23 September 2015，
  
  Revised：2015-10-24，
  
  Accepted：25 October 2015，
  
  Published：2016-03
- Accepted：
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Ai-di Zhu, Ming-yu Guo. Single Emulsion Microfluidic Production of Janus and Core-Shell Particles via Off-chip Polymerization[J]. Chinese Journal of Polymer Science, 2016, 34(3): 367-377. DOI: 10.1007/s10118-016-1748-x.
DOI：

Ai-di Zhu, Ming-yu Guo. Single Emulsion Microfluidic Production of Janus and Core-Shell Particles via Off-chip Polymerization[J]. Chinese Journal of Polymer Science, 2016, 34(3): 367-377. DOI: 10.1007/s10118-016-1748-x. DOI：

摘要

Abstract

In this work

we describe a straightforward approach to produce monodisperse Janus and core-shell particles by using organic solvent free single emulsion droplet-based microfluidic device combining with off-chip polymerization. To accomplish this

methyl methacrylate (MMA) was used as both the oil phase and solvent to dissolve a polymerizable PEG-based macromolecular surfactant

instead of traditional surfactant

and the photo-initiator. Janus particles can be easily obtained by off-chip UV polymerization due to polymerization induced phase separation between PEG and the formed poly(methyl methacrylate). At the same time

core-shell particles can also be easily attained by inverting the original collecting tube several times and then exposing to UV light. These results may extend the scope of microfluidic technology and the studies on polymerization induced self-assembly/phase-separation into easy fabrication of various new functional materials.

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