Research Article
Collaboration between HPMC and NaCMC in order to Reach the Polymer Critical Point in Theophylline Hydrophilic Matrices
Table 3
%v/v of the components theophylline, HPMC and NaCMC and Higuchi’s slope values obtained for the ternary hydrophilic matrix systems.
| Batch | %v/v theophylline | %v/v HPMC | %v/v NaCMC | Higuchi slope “ ” (g/cm2) |
| 1 | 31.5 | 11.1 | 51.6 | 0.0095 | 2 | 30.8 | 21.6 | 40.3 | 0.0076 | 3 | 39.2 | 11.0 | 41.1 | 0.0104 | 4 | 38.3 | 21.5 | 30.1 | 0.0090 | 5 | 37.3 | 31.4 | 19.5 | 0.0092 | 7 | 47.3 | 11.0 | 30.9 | 0.0135 | 8 | 45.2 | 21.2 | 19.7 | 0.0097 | 9 | 45.2 | 31.7 | 9.9 | 0.0090 | 12 | 53.8 | 10.8 | 20.1 | 0.0132 | 13 | 53.0 | 21.3 | 9.9 | 0.0146 | 16 | 62.2 | 10.9 | 10.2 | 0.0153 |
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