Research Article
Assessment of Physical Stability and Antioxidant Activity of Polysiloxane Polyalkyl Polyether Copolymer-Based Creams
Table 4
Rheological parameters at eight weeks of base and active cream kept at 25°C, 40°C, 40°C + RH 75%, and 8°C.
| Model | Rheological parameter | At 25°C | At 40°C | At 40°C + RH 75% | At 8°C | Base | Active cream | Base | Active cream | Base | Active cream | Base | Active cream |
| Power Law | Consistency index (cP) | 296.7 | 2069 | 205.3 | 624.2 | 420.7 | 922.7 | 229.8 | 2247 | Flow index | 0.46 | 0.39 | 0.50 | 0.50 | 0.46 | 0.47 | 0.56 | 0.29 | Confidence of fit (%) | 98.8 | 99.8 | 89.6 | 99.9 | 97.9 | 99.8 | 99.4 | 99.2 |
| IPC Paste | 10 RPM viscosity (cP) | 58.4 | 330.4 | 45.2 | 137.9 | 83.2 | 188.1 | 61.9 | 267.9 | Shear sensitivity | 0.54 | 0.61 | 0.50 | 0.50 | 0.54 | 0.53 | 0.44 | 0.71 | Confidence of fit (%) | 98.8 | 99.8 | 89.6 | 99.9 | 97.9 | 99.8 | 99.4 | 99.2 |
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