Strengthening-Durable Trade-Off and Self-Healing, Recyclable Shape Memory Polyurethanes Enabled by Dynamic Boron–Urethane Bonds
Qingxiang Zhang
School of Petrochemical Technology, Lanzhou University of Technology, Lanzhou, 730050 P. R. China
Key Laboratory of Science and Technology on Wear and Protection of Materials, Lanzhou Institute of Chemical Physics, Chinese Academy of Science, Lanzhou, 730000 P. R. China
Search for more papers by this authorJing Yang
Key Laboratory of Science and Technology on Wear and Protection of Materials, Lanzhou Institute of Chemical Physics, Chinese Academy of Science, Lanzhou, 730000 P. R. China
Yantai Zhongke Research Institute of Advanced Materials and Green Chemical Engineering, Yantai, 265500 P. R. China
Search for more papers by this authorPengrui Cao
Key Laboratory of Science and Technology on Wear and Protection of Materials, Lanzhou Institute of Chemical Physics, Chinese Academy of Science, Lanzhou, 730000 P. R. China
State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000 P. R. China
Search for more papers by this authorJunhui Gong
Key Laboratory of Science and Technology on Wear and Protection of Materials, Lanzhou Institute of Chemical Physics, Chinese Academy of Science, Lanzhou, 730000 P. R. China
State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000 P. R. China
Search for more papers by this authorZhangzhang Tang
Key Laboratory of Science and Technology on Wear and Protection of Materials, Lanzhou Institute of Chemical Physics, Chinese Academy of Science, Lanzhou, 730000 P. R. China
State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000 P. R. China
Search for more papers by this authorKai Zhou
School of Petrochemical Technology, Lanzhou University of Technology, Lanzhou, 730050 P. R. China
Key Laboratory of Science and Technology on Wear and Protection of Materials, Lanzhou Institute of Chemical Physics, Chinese Academy of Science, Lanzhou, 730000 P. R. China
Search for more papers by this authorCorresponding Author
Heming Luo
School of Petrochemical Technology, Lanzhou University of Technology, Lanzhou, 730050 P. R. China
E-mail: [email protected]; [email protected]; [email protected]
Search for more papers by this authorXinrui Zhang
Key Laboratory of Science and Technology on Wear and Protection of Materials, Lanzhou Institute of Chemical Physics, Chinese Academy of Science, Lanzhou, 730000 P. R. China
State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000 P. R. China
Search for more papers by this authorTingmei Wang
Key Laboratory of Science and Technology on Wear and Protection of Materials, Lanzhou Institute of Chemical Physics, Chinese Academy of Science, Lanzhou, 730000 P. R. China
State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000 P. R. China
Search for more papers by this authorShoubing Chen
Key Laboratory of Science and Technology on Wear and Protection of Materials, Lanzhou Institute of Chemical Physics, Chinese Academy of Science, Lanzhou, 730000 P. R. China
State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000 P. R. China
Search for more papers by this authorXianqiang Pei
Key Laboratory of Science and Technology on Wear and Protection of Materials, Lanzhou Institute of Chemical Physics, Chinese Academy of Science, Lanzhou, 730000 P. R. China
State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000 P. R. China
Search for more papers by this authorCorresponding Author
Qihua Wang
Key Laboratory of Science and Technology on Wear and Protection of Materials, Lanzhou Institute of Chemical Physics, Chinese Academy of Science, Lanzhou, 730000 P. R. China
State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000 P. R. China
E-mail: [email protected]; [email protected]; [email protected]
Search for more papers by this authorCorresponding Author
Yaoming Zhang
Key Laboratory of Science and Technology on Wear and Protection of Materials, Lanzhou Institute of Chemical Physics, Chinese Academy of Science, Lanzhou, 730000 P. R. China
Yantai Zhongke Research Institute of Advanced Materials and Green Chemical Engineering, Yantai, 265500 P. R. China
State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000 P. R. China
E-mail: [email protected]; [email protected]; [email protected]
Search for more papers by this authorQingxiang Zhang
School of Petrochemical Technology, Lanzhou University of Technology, Lanzhou, 730050 P. R. China
Key Laboratory of Science and Technology on Wear and Protection of Materials, Lanzhou Institute of Chemical Physics, Chinese Academy of Science, Lanzhou, 730000 P. R. China
Search for more papers by this authorJing Yang
Key Laboratory of Science and Technology on Wear and Protection of Materials, Lanzhou Institute of Chemical Physics, Chinese Academy of Science, Lanzhou, 730000 P. R. China
Yantai Zhongke Research Institute of Advanced Materials and Green Chemical Engineering, Yantai, 265500 P. R. China
Search for more papers by this authorPengrui Cao
Key Laboratory of Science and Technology on Wear and Protection of Materials, Lanzhou Institute of Chemical Physics, Chinese Academy of Science, Lanzhou, 730000 P. R. China
State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000 P. R. China
Search for more papers by this authorJunhui Gong
Key Laboratory of Science and Technology on Wear and Protection of Materials, Lanzhou Institute of Chemical Physics, Chinese Academy of Science, Lanzhou, 730000 P. R. China
State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000 P. R. China
Search for more papers by this authorZhangzhang Tang
Key Laboratory of Science and Technology on Wear and Protection of Materials, Lanzhou Institute of Chemical Physics, Chinese Academy of Science, Lanzhou, 730000 P. R. China
State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000 P. R. China
Search for more papers by this authorKai Zhou
School of Petrochemical Technology, Lanzhou University of Technology, Lanzhou, 730050 P. R. China
Key Laboratory of Science and Technology on Wear and Protection of Materials, Lanzhou Institute of Chemical Physics, Chinese Academy of Science, Lanzhou, 730000 P. R. China
Search for more papers by this authorCorresponding Author
Heming Luo
School of Petrochemical Technology, Lanzhou University of Technology, Lanzhou, 730050 P. R. China
E-mail: [email protected]; [email protected]; [email protected]
Search for more papers by this authorXinrui Zhang
Key Laboratory of Science and Technology on Wear and Protection of Materials, Lanzhou Institute of Chemical Physics, Chinese Academy of Science, Lanzhou, 730000 P. R. China
State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000 P. R. China
Search for more papers by this authorTingmei Wang
Key Laboratory of Science and Technology on Wear and Protection of Materials, Lanzhou Institute of Chemical Physics, Chinese Academy of Science, Lanzhou, 730000 P. R. China
State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000 P. R. China
Search for more papers by this authorShoubing Chen
Key Laboratory of Science and Technology on Wear and Protection of Materials, Lanzhou Institute of Chemical Physics, Chinese Academy of Science, Lanzhou, 730000 P. R. China
State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000 P. R. China
Search for more papers by this authorXianqiang Pei
Key Laboratory of Science and Technology on Wear and Protection of Materials, Lanzhou Institute of Chemical Physics, Chinese Academy of Science, Lanzhou, 730000 P. R. China
State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000 P. R. China
Search for more papers by this authorCorresponding Author
Qihua Wang
Key Laboratory of Science and Technology on Wear and Protection of Materials, Lanzhou Institute of Chemical Physics, Chinese Academy of Science, Lanzhou, 730000 P. R. China
State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000 P. R. China
E-mail: [email protected]; [email protected]; [email protected]
Search for more papers by this authorCorresponding Author
Yaoming Zhang
Key Laboratory of Science and Technology on Wear and Protection of Materials, Lanzhou Institute of Chemical Physics, Chinese Academy of Science, Lanzhou, 730000 P. R. China
Yantai Zhongke Research Institute of Advanced Materials and Green Chemical Engineering, Yantai, 265500 P. R. China
State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000 P. R. China
E-mail: [email protected]; [email protected]; [email protected]
Search for more papers by this authorAbstract
Addressing the demand for integrating strength and durability reinforcement in shape memory polyurethane (SMPU) for diverse applications remains a significant challenge. Here a series of SMPUs with ultra-high strength, self-healing and recyclability, and excellent shape memory properties through introducing dynamic boron–urethane bonds are synthesized. The introducing of boric acid (BA) to polyurethane leading to the formation of dynamic covalent bonds (DCB) boron–urethane, that confer a robust cross-linking structure on the SMPUs led to the formation of ordered stable hydrogen-bonding network within the SMPUs. The flexible crosslinking with DCB represents a novel strategy for balancing the trade-off between strength and durability, with their strengths reaching up to 82.2 MPa while also addressing the issue of durability in prolonged usage through the provision of self-healing and recyclability. The self-healing and recyclability of SMPU are demonstrated through rapid dynamic exchange reaction of boron–urethane bonds, systematically investigated by dynamic mechanical analysis (DMA). This study sheds light on the essential role of such PU with self-healing and recyclability, contributing to the extension of the PU's service life. The findings of this work provide a general strategy for overcoming traditional trade-offs in preparing SMPUs with both high strength and good durability.
Conflict of Interest
The authors declare no conflict of interest.
Open Research
Data Availability Statement
Research data are not shared.
Supporting Information
| Filename | Description |
|---|---|
| marc202400277-sup-0001-SuppMat.docx11.4 MB | Supporting Information |
| marc202400277-sup-0002-VideoS1.mp428.8 MB | Supplemental Video 1 |
| marc202400277-sup-0003-VideoS2.mp421.7 MB | Supplemental Video 2 |
Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.
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