%0 Journal Article
%T Flame-retardant plant thermoplastics directly prepared by single ionic liquid substitution
%J -
%D 2019
%R https://doi.org/10.1038/s41428-019-0195-2
%X Grass and wood biomass (bagasse, cedar, and eucalyptus) was directly converted into flame-retardant thermoplastics by dissolution in an ionic liquid mixture and successive precipitation. During dissolution, the hydroxy groups of the biomass were substituted with a phosphonate-type ionic liquid. The three resulting biomass samples were formed into thin films by hot pressing at 140¨C160£¿¡ãC. They also self-extinguished a fire by forming foamed char layers after contacting the fire in an alcohol lamp. In this method, more than 86% of the hydroxy groups were maintained after ionic liquid substitution because the single phosphonate-type ionic liquid acted as a plasticizer and flame retardant in the plant biomass. Therefore, plant biomass-derived flame-retardant thermoplastics have the potential for further functionalization
%U https://www.nature.com/articles/s41428-019-0195-2