Table 1.
Molecular weight, OH:IPDI molar ratio, and the water solubility of each samples.
| Experiment | OH:IPDI (molar) | Contact Angle | Polyol Type | DMPA (%) | 1HNMR | Molecular Weight (g/mol) Approximate Value | Solubility |
|---|---|---|---|---|---|---|---|
| 1. | 1:1 | 20° | 1500PEG | 2% | Soluble | ||
| 2. | 1:1 | 13.45° | 4% | 1350 | Soluble | ||
| 3. | 1:6 | 20.3° | 2% | Soluble | |||
| 4. | 1:6 | 17.37° | 4% | 38 | 1350 | Soluble | |
| 5. | 1:9 | 29° | 2% | Soluble | |||
| 6. | 1:9 | 24.87° | 4% | 45 | 1350 | Soluble | |
| 7. | 1:1 | 58.1° | 4000PEG | 2% | Soluble | ||
| 8. | 1:1 | 54.5° | 4% | 1350 | Soluble | ||
| 9. | 1:6 | 64.2° | 2% | Soluble | |||
| 10. | 1:6 | 56.51° | 4% | 47 | 1350 | Soluble | |
| 11. | 1:9 | 66.3° | 2% | Half soluble | |||
| 12. | 1:9 | 63.93° | 4% | 62 | 1350 | Half soluble | |
| 13. | 1:1 | 62.2° | 8000PEG | 2% | Half Soluble | ||
| 14. | 1:1 | 55.03° | 4% | 1350 | Half soluble | ||
| 15. | 1:6 | 66.4° | 2% | Half soluble | |||
| 16. | 1:6 | 61.88° | 4% | 54 | 1350 | Half soluble | |
| 17. | 1:9 | 67.9° | 2% | Half soluble | |||
| 18. | 1:9 | 63.67° | 4% | 70 | 1350 | Half soluble |
1HNMR: the number of protons found by integration of the NMR splitting points.