Journal
JOURNAL OF APPLIED POLYMER SCIENCE
Volume 134, Issue 45, Pages -Publisher
WILEY
DOI: 10.1002/app.45339
Keywords
biopolymers and renewable polymers; crosslinking; lipids; mechanical properties; optical and photovoltaic applications
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Funding
- Region Bretagne
- SATT Ouest-Valorisation
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New biobased polyurethanes were synthesized from cyclocarbonated broccoli seed oil and different di- or triamines. The isocyanate-free route to synthesize these polyurethanes was divided into three steps: the broccoli seed oil was first epoxydized, then carbonated with CO2 at a pressure of 50 bar to convert oxiranes into cyclic carbonates, and finally polyurethanes were prepared through the reaction of the cyclocarbonated oil with three different di-or triamines, that is, butylene diamine, m-xylene diamine, and bis(hexamethylene triamine). The chemical reactions were monitored by Fourier transform infrared spectroscopy, nuclear magnetic resonance, and electrospray ionisation mass spectrometry and mechanical properties of thus-prepared polyurethanes were determined by dynamic mechanical analysis and tensile characterization. An UV-responsive material was finally prepared from butylene diamine based polyurethane integrating phosphorescent molybdenum nanoclusters. (C) 2017 Wiley Periodicals, Inc.
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