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A cardanol-based polybenzoxazine vitrimer: recycling, reshaping and reversible adhesion

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Abstract

This paper reports the development of the first vitrimer based on polybenzoxazines containing disulfide bonds and cardanol. The synthesis of the monomer was carried out following a sustainable process, without any solvent and purification. The novel polybenzoxazine can be recycled, reshaped and (re)processed, thanks to a fast relaxation process (18 seconds at 120 °C) and low activation energy (64.5 kJ mol−1). Furthermore, the benzoxazine vitrimer shows significant and healable adhesive properties over short times and at low temperatures. These features support it also being considered in additive manufacturing applications, with the possibility of applying 3D printing technology, extending its application to many fields of materials.

Graphical abstract: A cardanol-based polybenzoxazine vitrimer: recycling, reshaping and reversible adhesion

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Article information


Submitted
31 Aug 2020
Accepted
23 Sep 2020
First published
14 Oct 2020

This article is Open Access

Polym. Chem., 2020, Advance Article
Article type
Paper

A cardanol-based polybenzoxazine vitrimer: recycling, reshaping and reversible adhesion

A. Trejo-Machin, L. Puchot and P. Verge, Polym. Chem., 2020, Advance Article , DOI: 10.1039/D0PY01239D

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