An easily assembled double T-shape microfluidic devices for the preparation of submillimeter-sized polyacronitrile (PAN) microbubbles and polystyrene (PS) double emulsions

The preparation of different kinds of hollow microcapsules based on same assembled double T-shape device. The size of hollow microcapsules can be controlled by adjusting the flow rates of the three phases. •Three various double emulsions made by one double T-junction microfluidic device.•This device...

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Bibliographic Details
Published in:Colloids and surfaces. A, Physicochemical and engineering aspects Physicochemical and engineering aspects, 2015-03, Vol.468, p.271-279
Main Authors: Peng, Hao, Xu, Zeying, Chen, Sufeng, Zhang, Zhanwen, Li, Bo, Ge, Liqin
Format: Article
Language:English
Subjects:
Devices
Double emulsions
Hollow microsphere
Microbubbles
Microfluidic devices
Microfluidics
Polyacrylonitriles
Polystyrene resins
Silicone resins
Solidification
Three phase
Tubes
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Summary:The preparation of different kinds of hollow microcapsules based on same assembled double T-shape device. The size of hollow microcapsules can be controlled by adjusting the flow rates of the three phases. •Three various double emulsions made by one double T-junction microfluidic device.•This device states remarkable advantages comparing to PDMS microchip.•The size of these three double emulsions is associated with the flow rates.•The prepared hollow microspheres shows perfect compact structure. A simple way to prepare water-in-oil-in-water (W1/O/W2) and oil-in-water-in-oil (O1/W/O2) double emulsions which is based on commercial double T-junction tubes was set up, which shows the remarkable advantages of simplicity, operatability and cost-efficiency comparing with the traditional poly(dimethylsiloxane) (PDMS) microchip. By this device, the stable polyacrylonitrile (PAN) microbubbles have also been produced based during the experiments. The success in producing PAN microbubbles provides a new possibility for the preparation of hollow microspheres with polymer materials, which have the further potential applications in numerous particular fields.
ISSN:0927-7757
1873-4359
DOI:10.1016/j.colsurfa.2014.12.016