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Shape memory properties of HA-PELA films with varying HA contents determined from strain-controlled cyclic thermal mechanical testing.
| HA content (wt%) | Shape fixing ratio (Rf) | Recovery ratio at 50 °C (Rr) (no hold) | Recovery ratio (Rr) after 10 min hold at 50 °C |
|---|---|---|---|
| 0 | 99.3% | 85.3% | 95.6% |
| 5 | 99.4% | 74.2% | 94.2% |
| 10 | 99.4% | 75.8% | 94.0% |
| 20 | 99.4% | 72.4% | 90.6% |
