Development of Sustainable Thermosets from Cardanol-based
Epoxy Prepolymer and Ionic Liquids
Posted on 2017-08-11 - 20:43
In
this work, the development of new biobased epoxy networks using phosphonium-based
ionic liquids combined with dicyanamide and phosphinate counteranions
as initiators of epoxy prepolymers was compared with a biobased epoxy–amine
system. Ionic liquids (ILs) displayed high reactivity toward cardanol-based
epoxy prepolymers, and the obtained biobased epoxy/IL networks highlighted
a glass transition temperature of around 30 °C, an excellent
thermal stability higher than 450 °C and higher hydrophobic behavior
compared to biobased epoxy–amine networks. In addition, the
use of a cardanol-based epoxy prepolymer as a modifier of epoxy/IL
networks was also investigated. In this case, the final properties
of epoxy/IL networks were improved by the presence of biobased epoxy
compounds, especially their surface energy as well as their fracture
toughness (+180%), suggesting a new way to develop partially biobased
epoxy coatings.
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Nguyen, Thi Khanh Ly; Livi, Sébastien; Soares, Bluma G.; Barra, Guilherme M. O.; Gérard, Jean-François; Duchet-Rumeau, Jannick (2017). Development of Sustainable Thermosets from Cardanol-based
Epoxy Prepolymer and Ionic Liquids. ACS Publications. Collection. https://doi.org/10.1021/acssuschemeng.7b02292
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AUTHORS (6)
TN
Thi Khanh Ly Nguyen
SL
Sébastien Livi
BS
Bluma G. Soares
GB
Guilherme M. O. Barra
JG
Jean-François Gérard
JD
Jannick Duchet-Rumeau