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Polyethylene stibinite phosphate esters: Novel flame-retardant plasticizers for PVC

Kannan, P and Kishore, K (1997) Polyethylene stibinite phosphate esters: Novel flame-retardant plasticizers for PVC. In: European Polymer Journal, 33 (10-12). pp. 1799-1803.

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Official URL: http://dx.doi.org/10.1016/S0014-3057(97)00061-X


A new series of multielement flame-retardant plasticizers containing polyethylene stibinite phosphate esters have been prepared by bulk polymerization from ethylene glycol with various antimony (III) aryloxydichlorides and arylphosphorodichloridates possessing various combinations of substituent [Cl,Br,NO2]. All the polymers are pink-coloured viscous fluids. They were characterized by inherent viscosity, density, IR, H-1, C-13 and P-31 NMR spectroscopy. The thermal behaviour of the polymers was compared by thermogravimetric analysis and correlated with their structures. The flammability studies were carried out by the limiting oxygen index test. The polymers containing P, Sb, N and Pr elements in their backbone show superior thermal-and flame-retardant characteristics than the other polymers. A comparative study was carried out with one of the synthesized polymers as a polymeric flame-retardant additive to plasticized PVC. The results showed improved LOI and mechanical properties to that of the conventional flame-retardant additive composition. (C) 1997 Elsevier Science Ltd.

Item Type: Journal Article
Publication: European Polymer Journal
Publisher: Elsevier Science
Additional Information: Copyright of this article belongs to Elsevier Science.
Department/Centre: Division of Chemical Sciences > Inorganic & Physical Chemistry
Date Deposited: 30 Jun 2011 14:16
Last Modified: 30 Jun 2011 14:16
URI: http://eprints.iisc.ac.in/id/eprint/38359

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