Ignition temperatures and pyrolysis of a flame-retardant methyl methacrylate copolymer containing diethyl(methacryloyloxymethyl)-phosphonate units

Price, Dennis, Pyrah, Kelly, Hull, T. Richard, Milnes, G. John, Wooley, W. Dave, Ebdon, John R. ORCID: 0000-0003-4176-3912, Hunt, Barry J. and Konkel, Christopher S. (2000) Ignition temperatures and pyrolysis of a flame-retardant methyl methacrylate copolymer containing diethyl(methacryloyloxymethyl)-phosphonate units. Polymer International, 49 (10). pp. 1164-1168. ISSN 0959-8103

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Official URL: http://onlinelibrary.wiley.com/journal/10.1002/(IS...

Abstract

The ignition and pyrolysis of some copolymers of methyl methacrylate (MMA) with diethyl(methacryloyloxymethyl)phosphonate (DEMMP) have been studied by a simple tube furnace and by isothermal and non-isothermal TGA. The results indicate that copolymers containing DEMMP thermally degrade, under both air and nitrogen, by a mechanism which is more complex than that (simple depolymerization) for poly(methyl methacrylate) (PMMA). The copolymers containing 10mol% or more of DEMMP are inherently flame retardant in that they fail to autoignite at 480°C and take longer to autoignite at 490°C than PMMA or MMA-DEMMP copolymers containing only 5mol% DEMMP. The formation of a carbonaceous residue or char on combustion of the MMA?DEMMP copolymers suggests that flame retardance is due mainly to reactions in the condensed phase.

Item Type: Article
Additional Information: Full text of this article is not available in this repository. The definitive version is available at http://onlinelibrary.wiley.com/journal/10.1002/(ISSN)1097-0126
Uncontrolled Keywords: diethyl(methacryloyloxymethyl)phosphonate, methyl methacrylate, polymer degradation, thermogravimetric analysis, flame retardant
Divisions: University of Bolton Research Centres > Institute for Materials Research and Innovation
Depositing User: Scott Wilson
Date Deposited: 26 Nov 2013 12:52
Last Modified: 01 Mar 2018 16:01
Identification Number: 10.1002/1097-0126(200010)49:10\textless1164::AID-PI513\textgreater3.0.CO;2-M
URI: http://ubir.bolton.ac.uk/id/eprint/529

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