| Title | Bio-Based Epoxy Vitrimers with Excellent Properties of Self-Healing, Recyclability, and Welding |
|---|---|
| ID_Doc | 7463 |
| Authors | Xia, JR; Li, SY; Gao, RJ; Zhang, YC; Wang, LW; Ye, YS; Cao, CL; Xue, HY |
| Title | Bio-Based Epoxy Vitrimers with Excellent Properties of Self-Healing, Recyclability, and Welding |
| Year | 2024 |
| Published | Polymers, 16, 15 |
| Abstract | The development of more recyclable materials is a key requirement for a transition towards a more circular economy. Thanks to exchange reactions, vitrimer, an attractive alternative for recyclable materials, is an innovative class of polymers that is able to change its topology without decreasing its connectivity. In this work, a bisphenol compound (VP) was prepared from saturated cardanol, i.e., 3-pentadecylphenol and vanillyl alcohol. Then, VP was epoxidized to obtain epoxide (VPGE). Finally, VPGE and citric acid (CA) were polymerized in the presence of catalyst TBD to prepare a fully bio-based vitrimer based on transesterification. The results from differential scanning calorimetry (DSC) showed that the VPGE/CA system could be crosslinked at around 163 degrees C. The cardanol-derived vitrimers had good network rearrangement properties. Meanwhile, because of the dynamic structural elements in the network, the material was endowed with excellent self-healing, welding, and recyclability. |
| https://doi.org/10.3390/polym16152113 |
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