木质素基阻燃剂的研究进展

Research Progress of Lignin-based Flame Retardants

生物质基阻燃剂由于其环境友好、低成本及优良的阻燃性能受到人们的关注,是极具发展前途的阻燃材料。由于木质素独特的芳香族结构和较高的炭化得率,在生物质基阻燃剂中具有巨大的应用潜力。本文综述了磷、氮等元素改性木质素和化学改性木质素的阻燃效果,以及它们与现有阻燃添加剂的协同作用。在此基础上,展望了生物质基阻燃剂未来的发展前景,并提出了开发制备高性能木质素基阻燃剂的新机遇。

Bio-based flame retardants represent the most promising research directions due to their environmental benefits,low cost and excellent flame retardant properties.Because of lignin’s unique aromatic structure and high charring yield,which have the great flame retardant potential of polymeric materials.This review focuses on the flame retardant effects of pristine lignin and lignin chemically modified by introducing the elements phosphorus and nitrogen,as well as their synergistic effects with existing flame-retardant additives.Following the conclusions,future perspectives are also presented along with new opportunities for the development of more effective lignin-based flame retardants for polymeric materials.