| 초록 |
In this study, controlled preparations of polyols with pre-determined –OH functionalities ranging from 2 to 5 are attempted through thiol-ene click coupling reaction between soybean oil and 2- mercaptoethanol. The resulting polyols are investigated by 1H-NMR, GPC, MALDI-TOF and titration methods to determine their structures and functionalities. A series of thermoplastic polyurethanes (TPUs) are carefully prepared from the modified soybean oil based polyols and their polymerization characteristics are investigated. Thermal and mechanical properties of the soybean oil based TPUs are at least comparable to those prepared from petroleum resources, which ensure new applications of the eco-friendly materials in high value added technologies. |
