New Aromatic Polyamide with Azo and Phosphine Oxide Groups in the Main Chain

Authors : Khalil FAGHIHI, Mohsen HAGIBEYGI

Pages : 65-73

View : 9 | Download : 6

Publication Date : 0000-00-00

Article Type : Research Paper

Abstract :A new flame-retardant polyamide containing phosphine oxide and azobenzene moieties in the main chain was synthesized by the solution polycondensation reaction of 4,4`-azodibenzoic acid with bisinsert ignore into journalissuearticles values(3-aminophenyl); phenyl phosphine oxide using thionyl chloride, N-methyl-2-pyrrolidone and pyridine. This new polymer was obtained in high yield insert ignore into journalissuearticles values(96%); and showed high inherent viscosity insert ignore into journalissuearticles values(0.55 dL/g); and was characterized by elemental analysis, FT-IR spectroscopy, thermal gravimetric analysis insert ignore into journalissuearticles values(TGA and DTG); and solubility test. Furthermore, another polyamide was prepared by solution polycondensation reaction of 4,4`-azodibenzoic acid with 1,4-phenylene diamine and its flame-retardant behavior was compared by the use of the LOI with the previous one.
Keywords : Flame retardant polymers, phosphine oxide moieties, 4, 4` azodibenzoic acid