Table 3. Macroscopic Intrinsic Self-Healing Data of Amorphous Brush Polyurethane Systemsa.
| polymer | healing time at Thealing = 36 °C (h) | H.E.b (%) | broken in a different spot compared to original fracture plane |
|---|---|---|---|
| HDI_C4DA | 100 | 64 | yes |
| HDI_C7DA | 3 | 69 | yes |
| HDI_C8DA | 3 | 61 | yes |
Healing process was stopped when the healed interface was not visible.
Healing efficiency was quantified
as
.