芳香性聚酰亚胺的阻燃改性研究进展

Research Progress of Flame Retardancy Modification of Aromatic Polyimide

综述了芳香性聚酰亚胺(PI)在共混、共缩聚以及结构改性方面的研究进展,其中共聚改性按引入基团的不同又分为聚酰胺酰亚胺(PAI)、聚酯酰亚胺共聚物、引入含氮杂环等,结构改性包括在主链中引入杂元素、功能性侧基的引入、引入扭曲或非共平面结构,并提出PI在阻燃领域的发展方向。

The modification of aromatic polyimide such as blending and copolycondensation was introduced in this article.In terms of introducing different groups,copolymerization modification can be classified into polyamide-imide,polyester imide,nitrogen-containing heterocyclic and so on.Structural modification includes the introduction of hybridized element,functional perdant group,scrolt structure and noncoplanar structure into main chain.The application of polyimide in the field of flame retardant was also discussed.