Comparison of mechanical properties of various PAA hydrogels.
| Hydrogel | Young's modulus (kPa) | Tensile strength (kPa) | Elongation at break (%) | Toughness (kJ m−3) | Reference |
|---|---|---|---|---|---|
| PAA-cellulose nanocrystals | 27 | 142 | 1107 | — | 56 |
| PAA-silica nanoparticles | 30 | 157 | 987 | 1385 | 29 |
| PAA-GO-Fe3+ | 32 | 272 | 2185 | 3400 | 14 |
| PAA-HBa | 247 | 188 | 513 | — | 55 |
| PAA-MBA | 133 | 225 | 670 | 950 | This work |
| PAA-GOBC | 161 | 248 | 4078 | 7124 | This work |
HB = hyperbranched bis-MPA polyester-64-hydroxyl.