Table 1.
The effect of PLGA–PEG–PLGA copolymer concentration (c = 0; 10 and 20 w/v%) and the L/P ratio (0.35; 0.5 and 0.65 g·g−1) at 23 °C on the pH, complex viscosity (η*) and injectable/cohesion properties of the copolymer/α-TCP cements 3 min following mixing (in the lag phase).
| L/P (g·g−1) | 0.35 | 0.5 | 0.65 | ||||||
|---|---|---|---|---|---|---|---|---|---|
| c (w/v%) |
pH | η* (Pa·s) |
Injectable/Cohesion | pH | η* (Pa·s) |
Injectable/Cohesion | pH | η* (Pa·s) |
Injectable/Cohesion |
| 0 | 8.4 | 206,000 | No/No | 8.5 | 1436 | Poorly/No | 8.6 | 345 | Yes/No |
| 10 | 7.4 | 3.2 | Yes/Yes | 7.3 | 2.9 | Yes/Yes | 7.2 | 2.5 | Yes/Yes |
| 20 | 7.1 | 43.4 | Yes/Yes | 7.0 | 12.1 | Yes/Yes | 7.0 | 4.8 | Yes/Yes |