Research Article

Modeling and Investigation of the Swelling Kinetics of Acrylamide-Sodium Acrylate Hydrogel

Table 2

Estimated parameters of the models used for various swelling temperatures.

Peleg’s model
Temperature (°C)RMSE

250.2937120.0078080.98892.487900.63632
400.2434540.0026370.98943.624271.16706
600.1602180.0004090.99882.460380.58306

First-order rehydration kinetic model
Temperature (°C)RMSE

250.04860.98912.443480.58668
400.02880.99413.624231.09429
600.01360.99872.464110.58774

Exponential association model
Temperature (°C)RMSE

250.05060.98942.385880.56817
400.03100.99403.607841.09205
600.01350.99882.460250.58046