Influence of the structure of aryl phosphates on the flame retardancy of polycarbonate/acrylonitrile–butadiene–styrene
作者： Marie-Claire Despinasse , Bernhard Schartel
DOI: 10.1016/J.POLYMDEGRADSTAB.2012.07.005
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摘要: The impact of the chemical structure four different aryl bisphosphates on flame retardancy bisphenol A polycarbonate/acrylonitrile–butadiene–styrene blends (PC/ABS) was investigated. bridging unit studied, by comparing bis(diphenyl phosphate) BDP with biphenyl BBDP and hydroquinone HDP; as well influence an aromatic substitution bis (di-2,6-xylyl BBXP. were investigated in terms pyrolysis (thermogravimetry TG, TG coupled Fourier transformed infrared spectroscopy (FTIR) mass spectrometry (MS)) fire performance (cone calorimeter, LOI, UL 94). decomposition temperature retardant is a main parameter enabling condensed phase interaction PC products. phosphate esters reacting phenolic groups during shown to increase cross-linking reduce hydrolysis/alcoholysis carbonate group. Variation use led reduced performance, highlighting importance reactivity decomposing PC.
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