Abstract
Novel PEAs derived from 1,4-butanediol, dimethyl adipate and a preformed α,ω-amino alcohol were synthesised and successfully electrospun from solution. The effects of increasing the ratio of amide/ester groups in the copolymer, polymer concentration, solvent mixtures and applied voltage on fibre morphology and diameter were investigated. The obtained fibres (diameter 180–450 nm) were randomly oriented. The fibre quality and homogeneity increased with increasing amide concentration. The solvent mixture CHCl3/HCOOH gave the best electrospinning results. The ultra-fine fibres were characterised using SEM, DSC and FT-IR, showing that the electrospun fibres are amorphous as compared to the pristine samples. These fibres are potential candidates for use as scaffolds in tissue engineering.
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