JOURNAL OF POLYMER SCIENCE PART A: POLYMER CHEMISTRY DOI 10.1002/POLA
12 Vom Saal, F. S.; Hugues, C. Environ Health Perspect 2005,
This work shows the feasibility of epoxy resin formulation
based on flavonoid building blocks. The next step will be to
carry out an alternative two-step chemical synthesis (allyla-
tion followed by epoxidation) of glycidylether derivatives to
overcome eventually the incomplete functionalization of the
phenolic hydroxyls groups of catechin observed with epichlor-
ohydrin. Afterward, the synthesis of epoxy resin with the cor-
responding polymerized forms, that is, condensed tannins as
starting materials, will be performed. Nevertheless, it already
opens up new prospects on the valorization of industrial by-
products rich in tannins such as grape pomaces, wood, or
algae. These renewable phenolic resources seem to be promis-
ing for the replacement of BPA in epoxy resin formulation. In
comparison to lignin, tannins are water-soluble extractible
materials, usually less polymerized macromolecules and with
a higher content of free phenolic hydroxyl groups, offering a
great potential of functionalization and network formation.
113, 926–933.
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Britton, J. A.; Chelimo, C.; Godbold, J.; Biro, F.; Kushi, L. H.;
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The authors are grateful to the Carnot CED2 Institute in Mont-
pellier and to the Innobat Company for their financial support.
The authors thank the Nanoledge Chemicals Company for sup-
plying DGEBA and Epamine PC19, and for their assistance in
formulation. The authors also thank Jean-marc Souquet (SPO,
INRA, France), Jean-Claude Boulet (SPO, INRA, France), and
Le´na Saint-Macary (Innobat, France) for their help on analyses,
as well as Andrew Burns for its assistance in english correction.
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