| 초록 |
Growing concerns over long-term environmental and waste management issues direct the use of renewable resources for sustainable polymers in the polymer industry. In this study, controlled preparations of polyols with pre-determined hydroxyl-functionalities ranging from 2 to 4 are attempted through thiol-ene click coupling reaction between soybean oil (SO) and 2-mercaptoethanol. 1H-NMR, 13C-NMR, GPC, titration, and MALDI-TOF were employed to investigate the characteristics of the polyols. The resulting SO-based polyols were successfully incorporated into thermoplastic polyurethanes (TPUs). Thermal, mechanical, shape memory and hysteresis properties of the SO-based TPUs are at least comparable to those of TPUs prepared from petroleum resources, which ensure new applications of the eco-friendly polymers in high value-added technologies. This study demonstrates an efficient and controlled synthetic pathway for the preparation of unique polyols and polymers from renewable resources. |
