Thermal degradation behaviour of flame retardant unsaturated polyester resins incorporating functionalised nanoclays

Kandola, Baljinder K. ORCID: 0000-0002-3621-3724, Nazaré, S and Horrocks, Richard ORCID: 0000-0003-1431-058X (2005) Thermal degradation behaviour of flame retardant unsaturated polyester resins incorporating functionalised nanoclays. In: Le Bras, Michel, Bourbigot, Serge, Duquesne, Sophie, Jama, Charafedine and Wilkie, Charles, (eds.) Fire Retardancy of Polymers: New Applications of Mineral Fillers. Royal Society of Chemistry, pp. 147-159. ISBN 978-0-85404-582-2

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Abstract

This paper discusses the effect of nanoclays on thermal degradation of unsaturated polyester resin with and without conventional flame retardants. Unsaturated polyester nanocomposites were prepared by in-situ polymerization with exfoliated structures. Simultaneous DTA-TGA analysis showed that nanoclays reduce thermal stability of the unsaturated polyester resin below 6000C and after that there was no change. Nanoclays also reduce the onset of degradation temperature of the resin. Above 600 0C, char formation is enhanced but not to the same extent as reported in literature for other polymer (e.g., nylon, polystyrene, etc.) – nanocomposite structures. The effect of conventional flame retardants - ammonium polyphosphate, melamine phosphate with and without dipentaeythritaol and alumina trihydrate on thermal degradation of resin was also studied. All these flame retardants enhance char formation of the resin above 4000C and presence of nanoclays promotes further increase. Analysis of the thermogravimetric data indicates that this enhancement in char formation is not as much as expected when compared with similar other polymer - nanocomposite structures.

Item Type: Book Section
Divisions: University of Bolton Research Centres > Institute for Materials Research and Innovation
Depositing User: Tracey Gill
Date Deposited: 31 Oct 2018 13:44
Last Modified: 31 Oct 2018 13:44
URI: http://ubir.bolton.ac.uk/id/eprint/2013

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