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. Author manuscript; available in PMC: 2016 Jun 1.
Published in final edited form as: Polymer (Guildf). 2015 Jun 1;66:135–147. doi: 10.1016/j.polymer.2015.04.030

Figure 12.

Figure 12

Experimental measurements and optimized model fitting for a variable Flory-Huggins parameter during degradation. Evolution of (a) the compressive modulus and (b) the swelling ratio of a hydrogel immersed in aqueous solutions at pH of 9 and 11. (c) predicted change in polymer-solvent interaction parameter and (d) kinetic constant with respect to the crosslinking density during degradation.