Table 2.

The calculated values of kinetic parameters (n, k, and D) of fluid (pH 2.0 and 7.4) diffusion into p(NiPMAm) hydrogels at 20 °C.

p(NiPMAm), mol% of EGDM	pH 2.0				pH 7.4
	n	k, min−1/2	D⋅104, cm2/min	R 2	n	k, min−1/2	D⋅104, cm2/min	R 2
2.0	0.253	0.250	7.423	0.950	0.183	0.249	5.115	0.966
2.5	0.302	0.184	7.591	0.991	0.265	0.218	3.716	0.996
3.0	0.229	0.262	8.083	0.991	0.454	0.077	3.403	0.972