controlling the thickness of hollow polymeric microspheres prepared by electrohydrodynamic...
TRANSCRIPT
Controlling the thickness of hollow polymeric microspheres prepared by electrohydrodynamic
atomization
by Ming-Wei Chang, Eleanor Stride, and Mohan Edirisinghe
InterfaceVolume 7(Suppl 4):S451-S460
August 6, 2010
©2010 by The Royal Society
(a) The experimental set-up; (b) dripping and (c) stable jetting behaviour of PMSQ/PFH.
Chang M et al. J. R. Soc. Interface 2010;7:S451-S460
©2010 by The Royal Society
Diameter and shell thickness of microspheres versus varying flow rate of PMSQ and with PFH flow rate of 150 µl min−1 (error bars show standard deviation).
Chang M et al. J. R. Soc. Interface 2010;7:S451-S460
©2010 by The Royal Society
Effect of PMSQ flow rate on the geometry of the hollow microspheres: (a) 200; (b) 250; (c) 350; (d) 450; (e) 550; and (f) 650 µl min−1.
Chang M et al. J. R. Soc. Interface 2010;7:S451-S460
©2010 by The Royal Society
Scanning electron micrograph of a fractured hollow microsphere.
Chang M et al. J. R. Soc. Interface 2010;7:S451-S460
©2010 by The Royal Society
Size and shell thickness of microspheres versus PMSQ concentration with inner flow rates of 150 µl min−1 and outer flow rate of 300 µl min−1 (error bars show standard deviation).
Chang M et al. J. R. Soc. Interface 2010;7:S451-S460
©2010 by The Royal Society
Effect of 63 wt% PMSQ concentration on the process product: (a) SEM image of PFH-loaded PMSQ fibre; (b) optical image of PFH-loaded PMSQ fibre.
Chang M et al. J. R. Soc. Interface 2010;7:S451-S460
©2010 by The Royal Society
Size and shell thickness of microspheres versus applied voltage with inner flow rates of 150 µl min−1 and outer flow rate of 300 µl min−1 (error bars show standard deviation).
Chang M et al. J. R. Soc. Interface 2010;7:S451-S460
©2010 by The Royal Society
Mapping of applied voltage and flow rate of PMSQ at different PMSQ concentrations: (a) 18 wt%, (b) 27 wt% and (c) 36 wt%.
Chang M et al. J. R. Soc. Interface 2010;7:S451-S460
©2010 by The Royal Society
Variation of D/t ratio (α) with polymer concentration.
Chang M et al. J. R. Soc. Interface 2010;7:S451-S460
©2010 by The Royal Society
FTIR spectra of PMSQ and dried hollow microspheres.
Chang M et al. J. R. Soc. Interface 2010;7:S451-S460
©2010 by The Royal Society