Table 6: Independent formulation variables and their responses.

Formulation codeSodium alginate conc. %(w/w)Acrycoat E30D conc. %(w/w) (mg/hr) (mg) (hr)

F11010.86534.954.51.7429
F21210.20937.345.21.7309
F31410.29937.3416.11.4378
F4209.324716.9887.21.8142
F5229.038816.1837.62.3807
F6247.94288.0017.81.8064
F7407.564223.17381.6173
F8426.921217.3828.41.6074
F9446.106911.1949.31.5608