Table 1.
Feed ratio of the preparation of prepolymer PEGS.
| Pre-Polymer | Sample Code | Carboxyl/Hydroxyl | Feed |
|---|---|---|---|
| 20PEGS | 20PEGS-0.67C/H | 2/3 | Glycerol 0.08 mol, PEG 0.02 mol, sebacic acid 0.093 mol |
| 20PEGS-1.0C/H | 1/1 | Glycerol 0.08 mol, PEG 0.02 mol, sebacic acid 0.14 mol | |
| 20PEGS-1.5C/H | 3/2 | Glycerol 0.08 mol, PEG 0.02 mol, sebacic acid 0.21 mol | |
| 20PEGS-2.0C/H | 2/1 | Glycerol 0.08 mol, PEG 0.02 mol, sebacic acid 0.28 mol | |
| 40PEGS | 40PEGS-0.67C/H | 2/3 | Glycerol 0.03 mol, PEG 0.02 mol, sebacic acid0.045 mol |
| 40PEGS-1.0C/H | 1/1 | Glycerol0.03 mol, PEG 0.02 mol, sebacic acid 0.065 mol | |
| 40PEGS-1.5C/H | 3/2 | Glycerol 0.03 mol, PEG 0.02 mol, sebacic acid 0.0975 mol | |
| 40PEGS-2.0C/H | 2/1 | Glycerol 0.03 mol, PEG 0.02 mol, sebacic acid 0.13 mol |