@article{cao_liu_ma_zhang_lv_2020,  title={Synthesis and properties of fluorinated copolymerized polyimide films},  volume={30},  ISSN={0104-1428},  url={https://doi.org/10.1590/0104-1428.10019},  DOI={10.1590/0104-1428.10019},  number={2},  journal={Polímeros},  publisher={Associação Brasileira de Polímeros},  author={Cao, Chuanhao and Liu, Lizhu and Ma, Xinyu and Zhang, Xiaorui and Lv, Tong},  year={2020},  pages={e2020017} }