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

Jayasinghe, SN; Sullivan, AC; (2006) Electrospraying: an in-situ polymerisation route for fabricating high macroporous scaffolds. J SOL-GEL SCI TECHN , 38 (3) 293 - 302. 10.1007/s10971-006-6727-1.

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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.

Type:Article
Title:Electrospraying: an in-situ polymerisation route for fabricating high macroporous scaffolds
DOI:10.1007/s10971-006-6727-1
Keywords:electrospraying, electric field-assisted assembling, polycondensation, siloxane, micro-patterning, forming, scaffolds, ELECTROSTATIC ATOMIZATION, MU-M, GENERATION, DROPLETS, LIQUIDS, CONE, PHOSPHONATE, SUSPENSIONS, DIAMETER, MODES
UCL classification:UCL > School of BEAMS > Faculty of Engineering Science > Mechanical Engineering

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