烷基次膦酸盐阻燃剂的研究进展

Research Progress of Alkyl Phosphonates Flame Retardants

烷基次膦酸盐是一种新型环境友好型阻燃剂,被广泛应用于聚酰胺、聚酯、热固性塑料。其特点是可以同时在气相与凝聚相发挥阻燃作用,根据烷基的结构不同侧重不同。介绍了烷基次膦酸盐的结构、合成方法、阻燃剂机理以及研究现状并展望了其发展方向。

Alkyl phosphonates are a new type of environmentally friendly flame retardants widely used in polyamides,polyesters,thermosetting plastics.The characteristics of alkyl phosphonates are It is characterized by its ability to exert flame retardant effects in both gas and condensed phases,with different emphasis according to the structure of alkyl groups.The structure,synthesis method,flame retardant mechanism and current research status of alkyl phosphonates are introduced and their development direction is prospected.