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Electrospraying: an in-situ polymerisation route for fabricating high macroporous scaffolds

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Abstract

This paper reports a direct jet-based polymerisation by polycondensation approach to forming a self-supporting scaffold structure. The processing technique is electrospraying, which is also known as electrohydrodynamic atomization. A specially formulated ethanolic siloxane sol derived from alkoxysilanes was synthesised and electrosprayed using a ring-shaped ground electrode configuration. The medium was seen to electrospray in the stable cone-jet mode, which later gave rise to the growing or forming of “fir-tree” like structures. The materials were characterised using microscopy, solid state NMR, FTIR, XRD and DSC. Hence this paper explains the direct controlled polycondensation from the siloxane sol and further presents the basis by which these scaffolds take shape.

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Authors and Affiliations

  1. Department of Mechanical Engineering, University College London, Torrington Place, London, WC1E 7JE, United Kingdom

    S. N. Jayasinghe

  2. Department of Chemistry, Queen Mary, University of London, Mile End Road, London, E1 4NS, UK

    A. C. Sullivan

Authors
  1. S. N. Jayasinghe
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  2. A. C. Sullivan
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Correspondence to S. N. Jayasinghe.

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Jayasinghe, S.N., Sullivan, A.C. Electrospraying: an in-situ polymerisation route for fabricating high macroporous scaffolds. J Sol-Gel Sci Technol 38, 293–302 (2006). https://doi.org/10.1007/s10971-006-6727-1

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  • DOI: https://doi.org/10.1007/s10971-006-6727-1

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