Renewable Responsive Systems Based on Original Click and Polyurethane Cross‐Linked Architectures with Advanced Properties

Wiley - Tập 13 Số 1 - Trang 238-251 - 2020
Khantutta‐Kim Tremblay‐Parrado1, Luc Avérous1
1BioTeam/ICPEES-ECPM, UMR CNRS 7515, Université de Strasbourg, 25 rue Becquerel, 67087 Strasbourg Cedex 2, France

Tóm tắt

AbstractA new chemical architecture from oleic acid, consisting of a diol structure containing pendant furan rings, denoted the furan oligomer (FO) was synthesized and fully characterized. The FO was integrated into a linear rapeseed‐based polyurethane (PU) backbone and cross‐linked through a Diels–Alder (DA) reaction by using pendant furan rings and a short polypropylene oxide‐based bismaleimide. This is the first time that a thermoreversible PU network based on vegetable oil has been reported. The effects of varying proportions of FO in linear and cross‐linked systems, by DA, were studied. These materials were analyzed by classic characterization techniques. The stability and recyclability of the cross‐linked materials were shown by successive reprocessing cycles and reanalyzing the mechanical properties. Self‐healing properties were macroscopically exhibited and investigated by tensile tests on healed materials. The resulting cross‐linked materials present a large range of properties, such as tunable mechanical and thermoresponsive behavior, good thermal recyclability, and self‐healing abilities.

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Wiley

Tập 13 Số 1

238-251

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