AUTHOR=Zhang Yan , Song Pingan , Liu Yun TITLE=Editorial: Sustainable Flame Retardants and Polymeric Materials JOURNAL=Frontiers in Materials VOLUME=8 YEAR=2021 URL=https://www.frontiersin.org/journals/materials/articles/10.3389/fmats.2021.778652 DOI=10.3389/fmats.2021.778652 ISSN=2296-8016