Improving the flame retardancy of waterborne polyurethanes based on the synergistic effect of P–N flame retardants and a Schiff base
Hui Wang, Xiaosheng Du, Shuang Wang, Zongliang Du, Haibo Wang, Xu Cheng
Abstract
A novel reactive intumescent fire retardant hexa-[4-[(2-hydroxy-ethylimino)-methyl]-phenoxyl]-cyclotriphosphazene (<bold>HEPCP</bold>), containing both cyclotriphosphazene and Schiff base structures, is successfully prepared.
Topics & Concepts
Schiff baseFire retardantBase (topology)PolyurethaneMaterials scienceChemical engineeringChemistryPolymer chemistryComposite materialEngineeringMathematicsMathematical analysisFlame retardant materials and propertiesPolymer composites and self-healingPhotopolymerization techniques and applications