首页|Preparation, Characterization, and Performance of Lignin-based Microencapsulated Red Phosphorus Flame Retardant for ABS
Preparation, Characterization, and Performance of Lignin-based Microencapsulated Red Phosphorus Flame Retardant for ABS
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The inherent difficulty in preservation and processing of conventional red phosphorus flame retardant severely limits its growing applications in polymer materials, thus, there is an urgent need to exploit effective technology to modify red phosphorus. Functionalized lignin-based compounds can provide a great potential in improving the preservation and processing of red phosphorus. Here, we prepared melamine modified lignin/aluminum phosphate coated red phosphorus (LMAP@RP) and used it as the flame retardant of acrylonitrile-butadiene-styrene (ABS) resin. With 25wt％ loading LMAP@RP, the ABS samples show excellent flame inhibiting capacity and reached UL-94 V-0 rating. Cone calorimetry test results show that the peak heat release rate, total heat release and total smoke release of ABS/25LMAP@RP are reduced strikingly by 64.6％, 49.3％, and 30.1％, respectively. The char residue is 15.36wt％ and the char layer is continuous and dense. The outstanding flame retardant and smoke-suppressant performances of LMAP@RP show its application prospect for ABS.
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