Table 3 Summary of tensile properties of PAAm-MSiO2 hydrogels prepared by varying concentrations 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) | Tensile 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% | 0.16 | 0.15 | 0.11 | 30 | 19 | 11 | 409 | 316 | 231 |
PAAm (4 M)-MSiO2 0.75% | 0.20 | 0.22 | 0.17 | 42 | 21 | 20 | 594 | 415 | 403 |
PAAm (5 M)-MSiO2 0.75% | 0.29 | 0.44 | 0.25 | 17 | 38 | 21 | 296 | 704 | 440 |