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Effect of polymer type on solubility in dichloromethane, viscosity of polymeric solution and particle size mean of microparticles.
| Polymer | Solubility (g/ml) (± SD) | Viscosity (cSt) (± SD) | Hardening time (min) |
|---|---|---|---|
| Ethyl cellulose 4 cp | 0.86 (± 0.03) | 10.31 (± 1.14) | 10.5 |
| Eudragit RL 100 | 1.04 (± 0.04) | 4.72 (± 0.83) | 25 |
| Eudragit RS 100 | 1.42 (± 0.02) | 3.84 (± 0.39) | 19 |
| Polycaprolactone (Mw. 10,000) | 1.89 (± 0.05) | 3.15 (± 0.45) | 55 |
| PLGA (RG503H) | 1.25 (± 0.06) | 4.36 (± 0.52) | 30 |
