Figure 2. a) Molecular structures of the two ILs used for biopolymer treatment. b) Prepared solutions 1-5 of the dissolved biopolymers in the ionic liquids. c) Spinning of the solutions 1-3 by injection of the hot biopolymer solutions via syringe into distilled water. d) Obtained fibers after removing the IL dissolved in water. e) Obtained foils of the biopolymers after drying

From

Demonstrating Sustainable Biomass Utilization and Processing Using Ionic Liquids – An Introduction to Undergraduate Chemistry Laboratories

Daniel Rauber, Michael Conrad, Johannes Huwer, Harald Natter, Rolf Hempelmann

World Journal of Chemical Education. 2017, 5(5), 158-163 doi:10.12691/wjce-5-5-3