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  • Syringaresinol: A Renewable and Safer Alternative to Bisphenol A for Epoxy-Amine Resins.

Syringaresinol: A Renewable and Safer Alternative to Bisphenol A for Epoxy-Amine Resins.

ChemSusChem (2017-01-04)
Marine Janvier, Louis Hollande, Abdus Samad Jaufurally, Miguel Pernes, Raphaël Ménard, Marina Grimaldi, Johnny Beaugrand, Patrick Balaguer, Paul-Henri Ducrot, Florent Allais
ABSTRACT

A renewable bisepoxide, SYR-EPO, was prepared from syringaresinol, a naturally occurring bisphenol deriving from sinapic acid, by using a chemo-enzymatic synthetic pathway. Estrogenic activity tests revealed no endocrine disruption for syringaresinol. Its glycidylation afforded SYR-EPO with excellent yield and purity. This biobased, safe epoxy precursor was then cured with conventional and renewable diamines for the preparation of epoxy-amine resins. The resulting thermosets were thermally and mechanically characterized. Thermal analyses of these new resins showed excellent thermal stabilities (T