Florent Allais
AgroParisTech, France
Title: Chemo-enzymatic synthesis and polymerizations of bio-based bisphenols derived from lignin: an access to novel renewable alternating aromatic/aliphatic polymers
Biography
Biography: Florent Allais
Abstract
A family of renewable bisphenols containing bio-based phenolics and polyols from lignocellulose was prepared through chemo-enzymatic processes under mild conditions. The enzyme-catalyzed condensation steps lead to high purity grade bisphenols in high to excellent yields.
These bio-based bisphenols were then used as monomers for the preparation of various types of alternating aliphatic/aromatic polymers such as copolyesters, polyurethanes, poly(ester-alkenamers) and linear phenolic homo-oligomers. The newly obtained homo- and copolymers were then characterized by NMR, GPC, DSC and TGA. These analyses revealed not only good thermal stabilities but also a broad range of accessible Tg.