| ABS及其复合材料的热性能研究 |
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| 引用本文： | 唐昌伟,;李庆蛟,;王标兵,;傅轶,;彭志宏,;李小辉,;陈红兵,;刘志平.ABS及其复合材料的热性能研究[J].合成材料老化与应用,2014(3):21-27. |
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| 作者姓名： | 唐昌伟 ;李庆蛟 ;王标兵 ;傅轶 ;彭志宏 ;李小辉 ;陈红兵 ;刘志平 |
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| 作者单位： | [1]广东银禧科技股份有限公司,广东东莞523187; [2]中北大学,山西太原030051 |
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| 摘 要： | 通过熔融共混法制备了ABS、ABS/MH(氢氧化镁)及ABS/MH/BPS(溴化聚苯乙烯)/Sb2O3(氧化锑)阻燃复合材料。使用扫描电子显微镜(SEM)观察了燃烧样条的表面形貌,利用热重分析法(TG)研究了不同升温速率下复合材料的热降解过程,分析了其阻燃机理。结果表明:MH可以增加体系的热稳定性,而加入BPS/Sb2O3会使热稳定性降低;MH和BPS/Sb2O3共同阻燃时,Br-Sb阻燃体系占主导地位,在气相中发挥阻燃效果,MH则在凝聚相起辅助作用,产生物理隔绝和阻止熔融流动的效果。
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| 关 键 词： | ABS 阻燃 热性能 |
Research on Thermal Properties of ABS and ABS Composites |
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| Affiliation: | TANG Chang-wei, LI Qing-jiao , WANG Biao-bing, FU Yi, PENG Zhi-hong, LI Xiao-hui , CHEN Hong-bing, LIU Zhi-ping (1 Guangdong Silver Age Sci. ＆ Tech. Co. Ltd. ,Dongguan 523187, Guangdong, China ;2 North University of China, Taiyuan 030051, Shanxi, China) |
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| Abstract: | The flame retardant ABS composites were prepared through melt blending with hydrophobic MH nanoparticles and BPS/Sb2 O3 as composite flame retardants. The surface morphology and thermal properties of ABS, ABS/MH and ABS/MH/BPS/Sb2 O3 composites were studied through SEM and TG respectively, and the mechanism was analysised. The results showed that：the thermal stability and the degradation activation energy of ABS were higher than that of ABS/MH/BPS/Sb2 O3, but lower than that of ABS/MH. When MH was used alone, it worked in the condensed phase, and the degradation activation energy was increased. But when the composite flame retardant was used, Br-Sb system with higher efficiency played the main role in the gas phase,which led to the de- cline of the degradation activation energy. |
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| Keywords: | ABS flame retardant thermal properties |
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