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Preliminary trial batches.
| Batch code | Polymer | Polymer proportion | Solvent | Plasticizer (30% w/w)* |
|---|---|---|---|---|
| P1 | PVA : PVP | 1 : 1 | Water | PG |
| P2 | HPMC K100M : PVP | 1 : 1 | Water | PEG |
| P3 | HPMC K4M : PVP | 1 : 1 | Water | PEG |
| P4 | EC : PVP | 1 : 4 | CHCl3 | PG |
| P5 | EC : HPMC K4M | 3 : 7 | Ethanol : DCM | PEG |
Each batch contains 4 mg drug in 4 cm2 area. *30% w/w of total polymer weight.
