Bio-Based Epoxy Vitrimers with Excellent Properties of Self-Healing, Recyclability, and Welding
Jianrong Xia,
Shuyun Li,
Renjin Gao,
Yuchi Zhang,
Liwei Wang,
Yuansong Ye,
Changlin Cao,
Hanyu Xue
Affiliations
Jianrong Xia
Fujian Engineering and Research Center of New Chinese Lacquer Materials, Fujian Key Laboratory of Functional Marine Sensing Materials, Minjiang University, Fuzhou 350108, China
Shuyun Li
Fujian Engineering and Research Center of New Chinese Lacquer Materials, Fujian Key Laboratory of Functional Marine Sensing Materials, Minjiang University, Fuzhou 350108, China
Renjin Gao
Fujian Engineering and Research Center of New Chinese Lacquer Materials, Fujian Key Laboratory of Functional Marine Sensing Materials, Minjiang University, Fuzhou 350108, China
Yuchi Zhang
Fujian Engineering and Research Center of New Chinese Lacquer Materials, Fujian Key Laboratory of Functional Marine Sensing Materials, Minjiang University, Fuzhou 350108, China
Liwei Wang
Fujian Engineering and Research Center of New Chinese Lacquer Materials, Fujian Key Laboratory of Functional Marine Sensing Materials, Minjiang University, Fuzhou 350108, China
Yuansong Ye
Fujian Engineering and Research Center of New Chinese Lacquer Materials, Fujian Key Laboratory of Functional Marine Sensing Materials, Minjiang University, Fuzhou 350108, China
Changlin Cao
College of Environmental and Resource Sciences, Fujian Normal University, Fuzhou 350108, China
Hanyu Xue
Fujian Engineering and Research Center of New Chinese Lacquer Materials, Fujian Key Laboratory of Functional Marine Sensing Materials, Minjiang University, Fuzhou 350108, China
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 °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.
