Affiliation:
1. Institute of Emergent Elastomers School of Materials Science and Engineering South China University of Technology Guangzhou Guangdong 510640 P. R. China
Abstract
AbstractUpcycling of cross‐linked rubbers is pressing. The introduction of dynamic covalent bonds into the networks is a popular tactic for recycling thermosetting polymers, but it is very challenging to integrate engineering performance and continuous yet stable reprocessability. Based on traditional rubber formulations, herein, a straightforward strategy is presented for constructing a skeletal network (SN) through interfacial crosslinking and percolation of rubbery granules in a rubber matrix. Rapid exchange reactions involving dynamic interfacial sulfides realize repeated “fragmentation and healing” in the solid‐state and consequent reconfiguration of the SN topology of the elastomer, thus endowing the resultant SN elastomer with continuous yet stable re‐extrudability. These SN elastomers with hierarchical structures exhibit high gel contents, high resilience, low creep, and reinforcibility competitive to traditional vulcanizates. Specifically, SN elastomers exhibit better overall performance than commercial thermoplastic vulcanizates (TPVs) materials. Overall, a new concept of thermoplastic vulcanizates is proposed, which will promote the sustainable development of rubbers.
Funder
National Science Fund for Distinguished Young Scholars
National Natural Science Foundation of China
Subject
Mechanical Engineering,Mechanics of Materials,General Materials Science
Reference42 articles.
1. a)J. U.Nisa This mammoth tire graveyard in Kuwait poses a big fire risk https://wonderfulengineering.com/this‐mammoth‐tire‐graveyard‐in‐kuwait‐could‐soon‐pose‐a‐big‐fire‐risk (accessed: November 2022);
2. b)A.Carr Florida continues efforts to clean up its massive underwater tire cemetery https://weather.com/science/environment/news/fort‐lauderdale‐florida‐osborne‐tire‐artificial‐reef‐underwater‐coral (accessed: November 2022);
3. Reclamation and recycling of waste rubber
4. Chemical effects of different types of rubber-based products on early life stages of Pacific oyster, Crassostrea gigas
5. The status of recycling of waste rubber
Cited by
5 articles.
订阅此论文施引文献
订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献