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@ARTICLE{Hofmann:859968,
author = {Hofmann, Eddie and Krüger, Kilian and Haynl, Christian and
Scheibel, Thomas and Trebbin, Martin and Förster, Stephan},
title = {{M}icrofluidic nozzle device for ultrafine fiber solution
blow spinning with precise diameter control},
journal = {Lab on a chip},
volume = {18},
number = {15},
issn = {1473-0189},
address = {Cambridge},
publisher = {RSC},
reportid = {FZJ-2019-00774},
pages = {2225 - 2234},
year = {2018},
abstract = {We present a microfluidic nozzle device for the controlled
continuous solution blow spinning of ultrafine fibers. The
device is fabricated by soft lithography techniques and is
based on the principle of a gas dynamic virtual nozzle for
precise three-dimensional gas focusing of the spinning
solution. Uniform fibers with virtually endless length can
be produced in a continuous process while having accurate
control over the fiber diameter. The nozzle device is used
to produce ultrafine fibers of perfluorinated copolymers and
of polycaprolactone, which are collected and drawn on a
rotating cylinder. Hydrodynamics and mass balance
quantitatively predict the fiber diameter, which is only a
function of flow rate and air pressure, with a small
correction accounting for viscous dissipation during jet
formation, which slightly reduces the jet velocity. Because
of the simplicity of the setup, the precise control of the
fiber diameter, the positional stability of the exiting
ultrafine fiber and the potential to implement arrays of
parallel channels for high throughput, this methodology
offers significant benefits compared to existing
solution-based fiber production methods.},
cin = {ICS-1 / Neutronenstreuung ; JCNS-1},
ddc = {540},
cid = {I:(DE-Juel1)ICS-1-20110106 / I:(DE-Juel1)JCNS-1-20110106},
pnm = {551 - Functional Macromolecules and Complexes (POF3-551) /
6215 - Soft Matter, Health and Life Sciences (POF3-621) /
6G4 - Jülich Centre for Neutron Research (JCNS) (POF3-623)},
pid = {G:(DE-HGF)POF3-551 / G:(DE-HGF)POF3-6215 /
G:(DE-HGF)POF3-6G4},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:29946624},
UT = {WOS:000448901700008},
doi = {10.1039/C8LC00304A},
url = {https://juser.fz-juelich.de/record/859968},
}