 @article{bernard_santos_cobalchina_schwab_einloft_2019,  title={Polyurethane/poly (Ionic Liquids) Cellulosic Composites and their Evaluation for Separation of CO<sub>2</sub> from Natural Gas},  volume={22},  ISSN={1516-1439},  url={https://doi.org/10.1590/1980-5373-MR-2018-0827},  DOI={10.1590/1980-5373-MR-2018-0827},  journal={Materials Research},  publisher={ABM, ABC, ABPol},  author={Bernard, Franciele Longaray and Santos, Leonardo Moreira dos and Cobalchina, Fabiana Willers and Schwab, Marina Barbieri and Einloft, Sandra},  year={2019},  pages={e20180827} }