Research Article

Chemically Cross-Linked Poly(acrylic-co-vinylsulfonic) Acid Hydrogel for the Delivery of Isosorbide Mononitrate

Table 2

Structural parameters of hydrogels.

Sample (g mol−1) χ

S1379.085.710.160.56
S2279.617.190.190.57
S3219.979.620.220.58
S4184.667.290.240.59
S5210.585.540.230.59
S6281.914.950.120.57
S7504.549.620.140.55
S8422.0510.770.150.55
S9378.4812.920.160.56