Table 2.
Equilibrium Mass Swelling Ratio q | Young's Modulus E (kPa) | Crosslink Density1 ρXL (mM) | % Water | |
---|---|---|---|---|
Stiff | 21 ± 1 | 13.1 ± 0.4 | 5.17 ± 0.40 | 95.3 ± 0.2 |
Medium | 45 ± 1 | 1.6 ± 0.1 | 0.83 ± 0.09 | 97.7 ± 0.1 |
Soft | 62 ± 1 | 0.6 ± 0.1 | 0.36 ± 0.05 | 98.4 ± 0.1 |
Crosslink density was calculated from rubber elasticity theory: ρXL = GQ1/3(RT)−1