by Hannane Haddouch | Feb 18, 2025
Five flame retardants were tested in flexible polyurethane foam showing performance and fire safety benefits of PIN FRs. Two chlorinated FRs (TCEP, CR) and three PIN FRs (melamine, melamine cyanurate and expandable graphite) were used, each at 15% loading. Resulting...
by Hannane Haddouch | Feb 18, 2025
Waste PET was glycolysed and reacted with a PIN FR to generate flame retardant waterborne polyurethane (WPU). Waste PET (polyethylene terephthalate) has hydrolysed by heating to c. 200°C with a non-metallic, non-halogenated nitrogen-containing ionic liquid...
by Hannane Haddouch | Feb 18, 2025
Phosphorus-rich microalgae, biochar, phosphorylated lignin, zinc phytate and reduced sewage sludge ash were tested as flame retardants at 5 – 20% loading in poly lactic acid (PLA). The Desmodesmus sp. algae were subjected to darkness/phosphorus deprivation then light,...
by Hannane Haddouch | Feb 12, 2025
Jaime Grunlan, Texas A&M University, USA, presented polyelectrolytes as a solution for application of PIN flame retardant solutions to different materials. Two different chemicals are dissolved in water and a pH change causes the two to react together, to bind to...
by Hannane Haddouch | Jan 17, 2025
A combination of a sulphonate potassium salt and polysiloxanes achieved UL 94 V-0 (1.6 mm) in polycarbonate. 1,3-benzenedisulphonic acid potassium salt (KSP, containing sulphur and potassium) at 0.03% loading and three different polysiloxanes (organic silicon...
