| Cross-linked Rubber by Dynamic Covalent Bonds：Opportunities and Challenges |
| Received:June 08, 2023 Revised:June 08, 2023 |
| DOI：10.12136/j.issn.1000-890X.2023.09.0703 |
| Key Words: cross-linked rubber by dynamic covalent bonds；recycling and utilization；continuous reprocessing；thermoplastic vulcanizate |
| Author Name | Affiliation | E-mail | | YU Shuangjian | South China University of Technology | yushuangjian18@163.com | | WU Siwu | South China University of Technology | | | TANG Zhenghai | South China University of Technology | | | GUO Baochun* | South China University of Technology | psbcguo@scut.edu.cn | | ZHANG Liqun | South China University of Technology | |
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| Abstract: |
| Cross-linked rubber is a typical thermosetting polymer，which is difficult to be reshaped and reprocessed once molded.A large amount of waste rubber has caused serious “black pollution” and resource waste.As a result，upgrading recycling and sustainable development are important needs for the rubber industry.Currently，in addition to recycling existing waste vulcanized rubber products，the key to the green development of rubber materials from the root is to develop new type of recyclable cross-linked rubber.The development of cross-linked rubber by dynamic covalent bonds provides a unique opportunity for the high-value upcycling of the rubbers.However，the cross-linked rubber by dynamic covalent bonds still faces many challenges from the concept to real applications.In this contribution，the current development status and difficulties of cross-linked rubber by dynamic covalent bonds are summarized with focus on the continuous reprocessing technology，and the prospect for the development of cross-linked rubber by dynamic covalent bonds is put forward. |
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