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首页> 外文期刊>Journal of Applied Polymer Science >Flame-retardant polycarbonate/acrylonitrile-butadiene-styrene based on red phosphorus encapsulated by polysiloxane: Flame retardance, thermal stability, and water resistance
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Flame-retardant polycarbonate/acrylonitrile-butadiene-styrene based on red phosphorus encapsulated by polysiloxane: Flame retardance, thermal stability, and water resistance

机译：聚硅氧烷封装的基于红磷的阻燃聚碳酸酯/丙烯腈-丁二烯-苯乙烯：阻燃性，热稳定性和耐水性

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摘要

Red phosphorus encapsulated by polysiloxane (MRP) was prepared, and the chemical structure and morphology of MRP were characterized by FTIR and TEM, respectively. A series of flame retardant polycarbonate/acrylonitrile-butadiene- styrene containing MRP (PC/ABS/MRP) were prepared via melt-blending. The flame retardance of PC/ABS/MRP was investigated by limiting oxygen index (LOI) and UL-94 test. It was shown that the LOI value was increased to 27.7 and UL-94 achieved a V-0 rating at a 15 wt % loading of MRP. Cone calorimetric results showed that the peak of heat release rate (PHRR) of PC/ABS/15% MRP decreased from 452.7 to 198.0 kW/m~2, and the total heat release decreased from 92.9 to 60.7 MJ/m~2 compared with virgin PC/ABS. Thermal stability analysis showed that the char yield of the PC/ABS/15% MRP increased from 0 to 16.1 wt % under air atmosphere, and from 15.2 to 27.4 wt % under nitrogen atmosphere compared to virgin PC/ABS, respectively. The sample PC/ABS/15% MRP also showed excellent water resistance of flame retardance in 70°C water for 168 h.
机译：制备了聚硅氧烷（MRP）包封的红磷，并通过FTIR和TEM表征了MRP的化学结构和形貌。通过熔融共混制备了一系列含MRP的阻燃聚碳酸酯/丙烯腈-丁二烯-苯乙烯（PC / ABS / MRP）。通过极限氧指数（LOI）和UL-94测试研究了PC / ABS / MRP的阻燃性。结果表明，当MRP含量为15 wt％时，LOI值增加到27.7，UL-94达到V-0等级。锥形量热结果表明，PC / ABS / 15％MRP的放热率峰值从452.7降低到198.0 kW / m〜2，总放热从92.9降低到60.7 MJ / m〜2。原始PC / ABS。热稳定性分析表明，与原始PC / ABS相比，PC / ABS / 15％MRP的炭收率在空气气氛下从0增加到16.1 wt％，在氮气氛下从15.2增加到27.4 wt％。样品PC / ABS / 15％MRP在70°C的水中持续168小时也显示出优异的阻燃性。

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