Ebdon, John R.; Hunt, Barry J.; Joseph, Paul; Wilkie, Tara K.; Ebdon John R.; The Polymer Centre, Department of Chemistry, University of Sheffield; Hunt Barry J.; The Polymer Centre, Department of Chemistry, University of Sheffield; Joseph Paul; FireSERT, School of the Built Environment, University of Ulster at Jordanstown; Wilkie Tara K.; The Polymer Centre, Department of Chemistry, University of Sheffield