2013•Advanced materials researchOpen access

Study on Flammability Characteristics and Thermal Stability of Flame-Retardant PA Fibers

Jian Zhao, Li Wen Tan

Abstract

The flammability characteristics and thermal stability were studied based on LOI, TG analysis and SEM tests. The results revealed that the additive flame retardant enhanced the flame retardancy of PA. The TG analysis showed that the thermal stability of flame-retardant PA fibers was better than PA fibers, because flame-retardant PA fibers got higher residue content and thermal degradation activation energy. The SEM images indicated the flame retardant residues were infusible, which can impede the molten dropping of PA fibers during combustion.

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Key concepts: Fire retardant, Flammability, Thermal stability, Combustion, Materials science, Composite material, Thermal, Thermal analysis