AUTHOR=Shi Yongqian , Yu Bin , Wang Xin , Yuen Anthony Chun Yin TITLE=Editorial: Flame-Retardant Polymeric Materials and Polymer Composites JOURNAL=Frontiers in Materials VOLUME=8 YEAR=2021 URL=https://www.frontiersin.org/journals/materials/articles/10.3389/fmats.2021.703123 DOI=10.3389/fmats.2021.703123 ISSN=2296-8016