Collaboration between HPMC and NaCMC in order to Reach the Polymer Critical Point in Theophylline Hydrophilic Matrices

<table>SEM micrograph obtained using a backscattering electrons (BSE) detector corresponding to the bottom side of a hydrophilic matrix from batch 8 (60% (w/w) theophylline: 20% (w/w) HPMC: 20% (w/w) NaCMC).</table>

The Scientific World Journal

fig8

Figure 8

Figure 8: Collaboration between HPMC and NaCMC in order to Reach the Polymer Critical Point in Theophylline Hydrophilic Matrices 