Novel Phosphorus-Containing Poly(ether sulfone)s and Their Blends with an Epoxy Resin: Thermal Decomposition and Fire Retardancy
作者： Ulrike Braun , Uta Knoll , Bernhard Schartel , Thorsten Hoffmann , Doris Pospiech
关键词: Char 、 Pyrolysis 、 Fire retardant 、 Phosphine oxide 、 Polymer chemistry 、 Flammability 、 Polysulfone 、 Chemistry 、 Phenylene 、 Thermal decomposition
摘要: The decomposition of novel phosphorus-containing poly(oxyphenylene-sulfonyl-phenylene-oxydiphenyl phenylene phosphine oxide) (PSU_I), 2,5-dihydroxy-1-biphenylene-phosphine oxide based polysulfone (PSU_II), poly(sulfonyl-diphenylphenylene phosphonate) (PSU_P) and bisphenol A-based (PSU) is studied. influence the chemical structure, charring phosphorus release discussed on mass loss, kinetics products. pyrolysis fire behaviour blends with epoxy resin (EP) are For EP-PSU_II, initiates water elimination changes pathway EP. EP-PSU shows some improvements, whereas heat rate crucially reduced for EP-PSU_II due to simultaneous char formation flame inhibition.
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