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Updated: Mar 10, 2026
The Preparation and Properties of Thermo-reversibly Cross-linked Rubber Via Diels-Alder Chemistry
Published on: August 25, 2016
Furan-modified natural rubber: A substrate for its reversible crosslinking and for clicking it onto nanocellulose
Eliane Trovatti1, Ana Gisela Cunha2, Antonio J F Carvalho3
1São Carlos Institute of Chemistry, University of São Paulo, Avenida Trabalhador São-carlense, 400, CEP 13566-590, São Carlos, SP, Brazil.
Abstract:
The conventional vulcanization process applied to elastomers is irreversible and hinders therefore their useful recycling. We demonstrate here that natural rubber can be reversibly crosslinked via the Diels-Alder coupling of furan and maleimide moieties. The furan-modified natural rubber used in this strategy was also exploited to bind it to maleimide-modified nanocellulose, thus generating a covalently crosslinked composite of these two renewable polymers.
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