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Morphology and Core Continuity of Liquid‐Crystal‐Functionalized, Coaxially Electrospun Fiber Mats Tuned via the Polymer Sheath Solution
Author(s) -
Scalia Giusy,
Enz Eva,
Calò Oronzo,
Kim Dae Kyom,
Hwang Minsik,
Lee Jong Hwan,
Lagerwall Jan P. F.
Publication year - 2013
Publication title -
macromolecular materials and engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.913
H-Index - 96
eISSN - 1439-2054
pISSN - 1438-7492
DOI - 10.1002/mame.201200361
Subject(s) - materials science , electrospinning , core (optical fiber) , polymer , scanning electron microscope , composite material , fiber , morphology (biology) , viscosity , nanotechnology , genetics , biology
By electrospinning liquid crystals coaxially inside a polymer sheath, responsive fibers with application potential, e.g., in wearable sensors can be produced. We conduct a combined scanning electron/polarizing microscopy study of such fibers, concluding that a match between the properties of the sheath solution and that of the core fluid is vital for achieving well‐formed and well‐filled fibers. Problems that may otherwise arise are fibers that are continuously filled, but partially collapsed; or fibers in which the core breaks up into droplets due to a mismatch in elongational viscosity between inner and outer fluids.

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