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- Title
Closed‐Loop Recyclable Poly(ester‐disulfide)s for Potential Alternatives to Engineering Plastic.
- Authors
Chen, Meng; Yang, Rulin; Wu, Huiping; Wang, Qian; Shi, Chenyu; Zhou, Shang‐Wu; Yang, Ding; Liu, Fang‐Yu; Tian, He; Qu, Da‐Hui
- Abstract
Facile fabrication, low material complexity and closed‐loop recycling are essential for polymer plastics to alter their linear product economy towards a cradle‐to‐cradle one. Covalent adaptable networks (CANs) are one way to achieve that, which intrinsically exhibit decent mechanical properties like the thermosets but could also be easily recycled like the thermoplastics. In this work, we introduce rigid ester structural motifs into dynamic poly(disulfide)s to form a series of dual polymer networks. Owning to the coherence of soft/rigid segments and the reversible sacrificial crosslinking, they exhibit tailorable mechanical properties and good resistance towards different chemicals. Their closed‐loop recycling is achieved via mild solvolysis, maintaining materials' mechanical integrities. It offers a solution as a sustainable replacement for engineering plastics which are massively under production but hard to be recycled.
- Publication
Angewandte Chemie, 2024, Vol 136, Issue 38, p1
- ISSN
0044-8249
- Publication type
Article
- DOI
10.1002/ange.202409200