Synthesis and Characterization of Chemically Cross-Linked Acrylic Acid/Gelatin Hydrogels: Effect of pH and Composition on Swelling and Drug Release

Table 5

Flory-Huggins network parameters of AA/Gelatin hydrogel.

Sample codes	Degree of cross-linking (EGDMA) wt %						(cm²sec^−1)
U1	0.70	0.059	−0.520	949.945	106.527	8.917	0.2289
U2	0.70	0.064	−0.522	856.917	113.876	7.524	0.3038
U3	0.70	0.065	−0.522	858.763	120.869	7.105	0.3526
U4	0.70	0.064	−0.527	918.091	130.723	7.023	0.3316
U5	0.70	0.053	−0.518	1245.87	124.633	9.996	0.1559
U6	0.70	0.052	−0.515	1291.54	119.702	10.79	0.1487
U7	0.65	0.049	−0.516	1483.83	120.811	12.28	0.1301
U8	0.75	0.066	−0.523	1031.95	120.878	8.532	0.2547
U9	0.85	0.067	−0.523	804.943	120.949	6.659	0.4384