Table 3. Mechanical Properties of Electrospun Fibers: PHB, pec-PHB2, pec-PHB5, pec-PHB10, and pec-PHB20a.
| electrospun fibers | Young’s modulus (GPa) | ultimate tensile stress, UTS (MPa) | elongation at break, εb (%) |
|---|---|---|---|
| PHB | 0.15 ± 0.00a | 4.72 ± 0.71a | 5.12 ± 0.14a |
| pec-PHB2 | 0.23 ± 0.01b | 7.80 ± 0.16b | 22.28 ± 1.63b |
| pec-PHB5 | 0.15 ± 0.00a | 6.16 ± 0.35c | 12.08 ± 0.38c |
| pec-PHB10 | 0.11 ± 0.00c | 4.27 ± 0.14a | 8.86 ± 1.34d |
| pec-PHB20 | 0.08 ± 0.01c | 3.03 ± 0.04d | 7.11 ± 0.67ad |
a
Values are means ± standard deviations, with three replicates taken per data point. abcd Values within the column with different superscript letters are significantly different (p < 0.05).