Abstract
Bio-based epoxy materials were prepared from ftinctionalized vegetable oils (epoxidized soybean oil [ESO] and epoxidized castor oil [ECO]) cured respectively with a thermally latent initiator, N-benzylquinox-alinium hexafluoroantimonate (BQH). The cure behaviors as well as the thermal and rheological properties of the ESO/BQH and ECO/BQH systems were investigated. In the result, the peak maximum temperature and cure activation energy of the ESO/BQH system were higher than those of the ECO/BQH system. Additionally, the ESO/BQH system showed a higher thermal stability and a lower glass transition temperature than those of the ECO/BQH system. It was also found that the cross-linking activation energy of the ESO/BQH system was higher than that of the ECO/BQH system, due to the steric hindrance induced by intermolecular interactions between ESO and BQH in polymerization.
| Original language | English |
|---|---|
| Pages (from-to) | 808-814 |
| Number of pages | 7 |
| Journal | Journal of Industrial and Engineering Chemistry |
| Volume | 13 |
| Issue number | 5 |
| Publication status | Published - 1 Sept 2007 |
| Externally published | Yes |
Keywords
- Biomaterials
- Glass transitions temperature
- Thermal properties
- Vegetable oil
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