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Polymers 2015, 7(3), 453-467; doi:10.3390/polym7030453

Pyrolysis Combustion Flow Calorimetry Studies on Some Reactively Modified Polymers

School of the Built Environment and the Built Environment Research Institute, Ulster University, Newtownabbey BT37 0QB, UK
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Academic Editor: A. Richard Horrocks
Received: 8 December 2014 / Revised: 26 January 2015 / Accepted: 24 February 2015 / Published: 2 March 2015
(This article belongs to the Special Issue Advances in Flame Retardant Polymers)
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Abstract

As a part of our continuing work to improve the flame retardance of some chain-growth polymers, by employing a reactive route, we have synthesized several unsaturated compounds containing either phosphorus (P), or both phosphorus (P) and nitrogen (N), bearing groups in different chemical environments. They included: diethyl(acryloyloxymethyl)phosphonate (DEAMP); diethyl(1-acryloyloxyethyl)phosphonate (DE1AEP); diethyl-2-(acryloyloxy)ethyl phosphate (DEAEP); diethyl-2-(metharyloyloxy)ethyl phosphate (DEMEP); acrylic acid-2-(diethoxyphosphorylamino)ethyl ester (ADEPAE); acrylic acid-2-[(diethoxyphosphoryl)methyl amino]ethyl ester (ADEPMAE). Acrylonitrile (AN), methyl methacrylate (MMA) and styrene (S) were free radically copolymerised with the above mentioned comonomers. The recovered polymers were subjected to routine spectroscopic and thermo-gravimetric analyses. In addition, the combustion behaviours of homopolymers as well as the copolymers containing nominal loadings of P-, or P/N-, groups were, primarily, evaluated using pyrolysis combustion flow calorimetry (PCFC). PCFC has been found to be a very useful screening technique, especially, in establishing the efficacies of the different modifying groups towards flame retarding some base polymeric materials. Values of the heat release capacity (HRC) values normalised to the P contents (wt%) can be considered as useful tool in ranking the various P-containing modifying groups in terms of their efficacies to flame-retard non-halogenated chain-growth polymers considered in the present work. View Full-Text
Keywords: chain-growth polymers; chemical modification; flame retardance; pyrolysis combustion flow calorimetry; heat release rate; heat release capacity chain-growth polymers; chemical modification; flame retardance; pyrolysis combustion flow calorimetry; heat release rate; heat release capacity
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Tretsiakova-McNally, S.; Joseph, P. Pyrolysis Combustion Flow Calorimetry Studies on Some Reactively Modified Polymers. Polymers 2015, 7, 453-467.

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