Chemical & Physical Properties of Select Polymers
Chemical Properties
| Polymer | Inherent Viscosity (dL/g) | Crystalline Melt Transition (°C) | Glass Transition Temp (°C) | Solubility (at 5% w/w) | Approx. Resorption (months) | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| 50:50 DL-PLG | 0.55 - 0.75 | Amorphous | 45 - 50 | 1 2 3 4 5 6 | 1 - 2 | |||||
| 65:35 DL-PLG | 0.55 - 0.75 | Amorphous | 45 - 50 | 1 2 3 4 5 6 | 3 - 4 | |||||
| 75:25 DL-PLG | 0.55 - 0.75 | Amorphous | 50 - 55 | 1 2 3 4 5 6 | 4 - 5 | |||||
| 85:15 DL-PLG | 0.55 - 0.75 | Amorphous | 50 - 55 | 1 2 3 4 5 6 | 5 - 6 | |||||
| DL-PLA | 0.55 - 0.75 | Amorphous | 50 - 60 | 1 2 3 4 5 6 | 12 - 16 | |||||
| L-PLA | 0.90 - 1.20 | 173 - 178 | 60 - 65 | 1 4 5 | >24 | |||||
| PCL | 1.00 - 1.30 | 58-63 | (-65) - (-60) | 1 4 5 | >24 | |||||
| 25:75 DL-PLCL | 0.70 - 0.90 | Amorphous | (-50) - (-40) | 1 4 5 | ||||||
| 80:20 DL-PLCL | 0.70 - 0.90 | Amorphous | 17 - 23 | 1 4 5 | ||||||
Solvents (partial listing only) | ||||||||||
Physical Properties
| Polymer | Density (g/mL) | Tensile Strength (psi) | Elongation (%) | Modulus (psi) | ||||
|---|---|---|---|---|---|---|---|---|
| 50:50 DL-PLG | 1.34 | 6000 - 8000 | 3 - 10 | 2 - 4x105 | ||||
| 65:35 DL-PLG | 1.30 | 6000 - 8000 | 3 - 10 | 2 - 4x105 | ||||
| 75:25 DL-PLG | 1.30 | 6000 - 8000 | 3 - 10 | 2 - 4x105 | ||||
| 85:15 DL-PLG | 1.27 | 6000 - 8000 | 3 - 10 | 2 - 4x105 | ||||
| DL-PLA | 1.25 | 4000 - 6000 | 3 - 10 | 2 - 4x105 | ||||
| L-PLA | 1.24 | 8000 - 12000 | 5 -10 | 4 - 6x105 | ||||
| PCL | 1.11 | 3000 - 5000 | 300 - 500 | 3 - 5x104 | ||||
| 25:75 DL-PLCL | 1.15 | ~1100 | ~600 | 5x104 - 2x105 | ||||
| 80:20 DL-PLCL | 1.22 | ~750 | ~150 | 6x104 - 2x105 | ||||
DL-PLG = poly(DL-lactide-𝘤𝘰-glycolide), DL-PLA = poly(DL-lactide), L-PLA = poly(L-lactide), PCL= poly(ε-caprolactone) | ||||||||
