Nurumbetov, Gabit, Ballard, Nicholas and Bon, Stefan Antonius Franciscus (2012) A simple microfluidic device for fabrication of double emulsion droplets and polymer microcapsules. Polymer Chemistry, Vol.3 (No.4). pp. 1043-1047. doi:10.1039/c2py00605g ISSN 1759-9954.

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Abstract

We demonstrate that by using a syringe needle, plastic tubing, two glass capillaries and epoxy glue a microfluidic device can be fabricated straightforwardly that allows for the production of double emulsions, or in other words the generation of droplets-in-droplets. The device in essence is a serial combination of droplet generation by co-flow and a T-junction. To reduce potential issues with channel wetting, we established that an "obstructed" T-junction outperformed a conventional T-junction. We illustrate the versatility of our device through production of a range of polymer microcapsules, including ones that contain a waterborne dispersion of colour changing pigment, and microcapsules with compartmentalized ferrofluidic segments, that is capsules that contain more than one droplet of ferrofluid. © 2012 The Royal Society of Chemistry.

Item Type:	Journal Article
Subjects:	Q Science > QD Chemistry
Divisions:	Faculty of Science, Engineering and Medicine > Science > Chemistry
Journal or Publication Title:	Polymer Chemistry
Publisher:	Royal Society of Chemistry
ISSN:	1759-9954
Official Date:	April 2012
Dates:	Date Event April 2012 Published
Volume:	Vol.3
Number:	No.4
Page Range:	pp. 1043-1047
DOI:	10.1039/c2py00605g
Status:	Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Restricted or Subscription Access

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