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Weight fractions (w), volume fractions (φ), and estimated specific surface area of particles (calculated using particle diameter from Table 1) for solid composite sealants incorporating silica particles.
| Solid Sealant | Wplga | Wpeg | wparticle | ϕplga | ϕpeg | ϕparticle | Specific Surface Area [m2/g] |
|---|---|---|---|---|---|---|---|
| PLGA/PEG | 0.67 | 0.33 | 0 | 0.64 | 0.36 | 0 | N/A |
| P-20 | 0.50 | 0.25 | 0.25 | 0.54 | 0.30 | 0.16 | 143.0 |
| P-180 | 0.50 | 0.25 | 0.25 | 0.54 | 0.30 | 0.16 | 15.1 |
| P-620 | 0.50 | 0.25 | 0.25 | 0.54 | 0.30 | 0.16 | 4.4 |
