Molecular design of recyclable thermosetting polyimide and its composite with excellent mechanical and tribological properties
Abstract Recyclability of thermosetting polymers and their composites is a challenge for alleviating environmental pollution and resource waste. In this study, solvent-recyclable thermosetting polyimide (PI) and its composite were successfully synthesized. The tensile strength, elongation at break,...
| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
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SpringerOpen
2023-12-01
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| Series: | Friction |
| Subjects: | |
| Online Access: | https://doi.org/10.1007/s40544-023-0770-6 |
| _version_ | 1797397764574806016 |
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| author | Xiaoyue Wang Zenghui Yang Tingmei Wang Qihua Wang Xinrui Zhang Song Li |
| author_facet | Xiaoyue Wang Zenghui Yang Tingmei Wang Qihua Wang Xinrui Zhang Song Li |
| author_sort | Xiaoyue Wang |
| collection | DOAJ |
| description | Abstract Recyclability of thermosetting polymers and their composites is a challenge for alleviating environmental pollution and resource waste. In this study, solvent-recyclable thermosetting polyimide (PI) and its composite were successfully synthesized. The tensile strength, elongation at break, and Young’s modulus of PI are 108.70 ± 7.29 MPa, 19.35% ± 3.89%, and 2336.42 ± 128.00 MPa, respectively. The addition of reduced graphene oxide (RGO) not only enhances the mechanical properties of PI but also endows it with excellent tribological properties. The PI illustrates a high recycling efficiency of 94.15%, but the recycled composite exhibits inferior mechanical properties. The recycling and utilization of PI and its composite are realized through imine bonds (–C=N), which provides new guidance for solving the problem of environmental pollution and resource waste and is potential application in the field of sustainable tribology. |
| first_indexed | 2024-03-09T01:15:48Z |
| format | Article |
| id | doaj.art-9e70576a4384446e9bd97c4c09152027 |
| institution | Directory Open Access Journal |
| issn | 2223-7690 2223-7704 |
| language | English |
| last_indexed | 2024-03-09T01:15:48Z |
| publishDate | 2023-12-01 |
| publisher | SpringerOpen |
| record_format | Article |
| series | Friction |
| spelling | doaj.art-9e70576a4384446e9bd97c4c091520272023-12-10T12:31:20ZengSpringerOpenFriction2223-76902223-77042023-12-0112345246110.1007/s40544-023-0770-6Molecular design of recyclable thermosetting polyimide and its composite with excellent mechanical and tribological propertiesXiaoyue Wang0Zenghui Yang1Tingmei Wang2Qihua Wang3Xinrui Zhang4Song Li5Key Laboratory of Science and Technology on Wear and Protection of Materials, Lanzhou Institute of Chemical Physics, Chinese Academy of SciencesKey Laboratory of Science and Technology on Wear and Protection of Materials, Lanzhou Institute of Chemical Physics, Chinese Academy of SciencesKey Laboratory of Science and Technology on Wear and Protection of Materials, Lanzhou Institute of Chemical Physics, Chinese Academy of SciencesKey Laboratory of Science and Technology on Wear and Protection of Materials, Lanzhou Institute of Chemical Physics, Chinese Academy of SciencesKey Laboratory of Science and Technology on Wear and Protection of Materials, Lanzhou Institute of Chemical Physics, Chinese Academy of SciencesKey Laboratory of Science and Technology on Wear and Protection of Materials, Lanzhou Institute of Chemical Physics, Chinese Academy of SciencesAbstract Recyclability of thermosetting polymers and their composites is a challenge for alleviating environmental pollution and resource waste. In this study, solvent-recyclable thermosetting polyimide (PI) and its composite were successfully synthesized. The tensile strength, elongation at break, and Young’s modulus of PI are 108.70 ± 7.29 MPa, 19.35% ± 3.89%, and 2336.42 ± 128.00 MPa, respectively. The addition of reduced graphene oxide (RGO) not only enhances the mechanical properties of PI but also endows it with excellent tribological properties. The PI illustrates a high recycling efficiency of 94.15%, but the recycled composite exhibits inferior mechanical properties. The recycling and utilization of PI and its composite are realized through imine bonds (–C=N), which provides new guidance for solving the problem of environmental pollution and resource waste and is potential application in the field of sustainable tribology.https://doi.org/10.1007/s40544-023-0770-6thermosetting polyimide (PI)recyclabilitydynamic covalent bondsfriction and wearpolymer composites |
| spellingShingle | Xiaoyue Wang Zenghui Yang Tingmei Wang Qihua Wang Xinrui Zhang Song Li Molecular design of recyclable thermosetting polyimide and its composite with excellent mechanical and tribological properties Friction thermosetting polyimide (PI) recyclability dynamic covalent bonds friction and wear polymer composites |
| title | Molecular design of recyclable thermosetting polyimide and its composite with excellent mechanical and tribological properties |
| title_full | Molecular design of recyclable thermosetting polyimide and its composite with excellent mechanical and tribological properties |
| title_fullStr | Molecular design of recyclable thermosetting polyimide and its composite with excellent mechanical and tribological properties |
| title_full_unstemmed | Molecular design of recyclable thermosetting polyimide and its composite with excellent mechanical and tribological properties |
| title_short | Molecular design of recyclable thermosetting polyimide and its composite with excellent mechanical and tribological properties |
| title_sort | molecular design of recyclable thermosetting polyimide and its composite with excellent mechanical and tribological properties |
| topic | thermosetting polyimide (PI) recyclability dynamic covalent bonds friction and wear polymer composites |
| url | https://doi.org/10.1007/s40544-023-0770-6 |
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