Table 4 Summary of compressive properties of PAAm-MSiO2 hydrogels prepared by varying the concentration of AAm (3 M, 4 M, and 5 M) and keeping the constant concentration (0.75 wt%) of MSiO2 particles having different diameters (117.5 nm, 216.5 nm, and 311.5 nm).
Hydrogel code | Young’s modulus (kPa) | Compressive strength (kPa) | Toughness (kJ/m3) | ||||||
|---|---|---|---|---|---|---|---|---|---|
117.5 nm MSiO2 | 216.5 nm MSiO2 | 311.5 nm MSiO2 | 117.5 nm MSiO2 | 216.5 nm MSiO2 | 311.5 nm MSiO2 | 117.5 nm MSiO2 | 216.5 nm MSiO2 | 311.5 nm MSiO2 | |
PAAm (3 M)-MSiO2 0.75% hydrogel | 0.11 | 0.10 | 0.19 | 18 | 26 | 34 | 3.5 | 4.0 | 6.0 |
PAAm (4 M)-MSiO2 0.75% hydrogel | 0.15 | 0.18 | 0.27 | 26 | 44 | 46 | 5.2 | 9.0 | 9.0 |
PAAm (5 M)-MSiO2 0.75% hydrogel | 0.25 | 0.27 | 0.41 | 43 | 49 | 78 | 8.9 | 10.0 | 16.0 |
