New flame-retardant poly(pyromellitic imide aryl phosphoramide-ester)s

Kannan, Palaninathan ; Kishore, Kaushal (1993) New flame-retardant poly(pyromellitic imide aryl phosphoramide-ester)s Die Angewandte Makromolekulare Chemie, 206 (1). pp. 63-68. ISSN 0003-3146

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Official URL: http://onlinelibrary.wiley.com/doi/10.1002/apmc.19...

Related URL: http://dx.doi.org/10.1002/apmc.1993.052060106

Abstract

Flame-retardant poly(pyromellitic imide aryl phosphoramide-ester)s were synthesized by interfacial polycondensation of N,N'-bis(p-hydroxyphenyl)pyromellitic diimide with aryl phosphoramidic dichlorides. The polymers were characterized by IR and 1H-NMR spectroscopy. The molecular composition was confirmed by elemental analysis. The thermal stability and flammability of the polymers were studied by thermogravimetry and limiting oxygen index, respectively.

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