{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,11]],"date-time":"2026-10-11T17:27:04Z","timestamp":1791739624902,"version":"4.3.4"},"reference-count":184,"publisher":"MDPI AG","issue":"9","license":[{"start":{"date-parts":[[2020,5,6]],"date-time":"2020-05-06T00:00:00Z","timestamp":1588723200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Materials"],"abstract":"<jats:p>With the increasing emphasis on environmental protection, the development of flame retardants for epoxy resin (EP) has tended to be non-toxic, efficient, multifunctional and systematic. Currently reported flame retardants have been capable of providing flame retardancy, heat resistance and thermal stability to EP. However, many aspects still need to be further improved. This paper reviews the development of EPs in halogen-free flame retardants, focusing on phosphorus flame retardants, carbon-based materials, silicon flame retardants, inorganic nanofillers, and metal-containing compounds. These flame retardants can be used on their own or in combination to achieve the desired results. The effects of these flame retardants on the thermal stability and flame retardancy of EPs were discussed. Despite the great progress on flame retardants for EP in recent years, further improvement of EP is needed to obtain numerous eco-friendly high-performance materials.<\/jats:p>","DOI":"10.3390\/ma13092145","type":"journal-article","created":{"date-parts":[[2020,5,7]],"date-time":"2020-05-07T03:10:38Z","timestamp":1588821038000},"page":"2145","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":209,"title":["Recent Developments in the Flame-Retardant System of Epoxy Resin"],"prefix":"10.3390","volume":"13","author":[{"given":"Quanyi","family":"Liu","sequence":"first","affiliation":[{"name":"College of Civil Aviation Safety Engineering, Civil Aviation Flight University of China, Guanghan 618307, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Donghui","family":"Wang","sequence":"additional","affiliation":[{"name":"College of Civil Aviation Safety Engineering, Civil Aviation Flight University of China, Guanghan 618307, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zekun","family":"Li","sequence":"additional","affiliation":[{"name":"College of Civil Aviation Safety Engineering, Civil Aviation Flight University of China, Guanghan 618307, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhifa","family":"Li","sequence":"additional","affiliation":[{"name":"College of Civil Aviation Safety Engineering, Civil Aviation Flight University of China, Guanghan 618307, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiaoliang","family":"Peng","sequence":"additional","affiliation":[{"name":"College of Civil Aviation Safety Engineering, Civil Aviation Flight University of China, Guanghan 618307, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chuanbang","family":"Liu","sequence":"additional","affiliation":[{"name":"College of Civil Aviation Safety Engineering, Civil Aviation Flight University of China, Guanghan 618307, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yu","family":"Zhang","sequence":"additional","affiliation":[{"name":"School of Mechanical and Power Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Penglun","family":"Zheng","sequence":"additional","affiliation":[{"name":"College of Civil Aviation Safety Engineering, Civil Aviation Flight University of China, Guanghan 618307, China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2020,5,6]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"1304","DOI":"10.1590\/1516-1439.023015","article-title":"Hybrid Nanocomposites Based on Epoxy\/silsesquioxanes Matrices Reinforced with Multi-walled Carbon Nanotubes","volume":"18","author":"Coelho","year":"2015","journal-title":"Mater. 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