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碳纳米管/环氧树脂复合材料

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以环氧树脂(EP)为基体,羧基化碳纳米管(MWC-NTs-COOH)为添加剂,采用超声分散、溶液共混法制备碳纳米管/环氧树脂(MWCNTs/EP)复合材料,研究碳纳米管含量对环氧树脂复合材料阻燃性能的影响.MWCNTs的质量分数分别为0、0.5％、1.0％、1.5％、2.0％.结果表明:添加碳纳米管后,复合材料的阻燃性能得到提升.热重分析表明,MWC-NTs质量分数为1.5％时,复合材料的热分解温度和燃尽温度较EP分别提高了7.0％和30.3％;MWCNTs质量分数为2.0％时,氧指数由19.8提高到21.0;雏形量热分析表明,MWCNTs质量分数为0.5％时,复合材料的热释放速率峰值(pHRR)最低.
MWCNTs/EP composites materials
MWCNTs/EP composite was prepared by ultrasonic dispersion and solution blend method with EP as matrix and MWCNTs-COOH as additive.The effect of MWCNTs content on the flame retardant properties of the EP composite was analyzed.The mass fraction of MWCNTs was 0,0.5％,1.0％,1.5％ and 2.0％.Experiment results showed that adding MWCNTs can improve the flame retardant properties of composite.Thermogravimetric analysis showed that when the mass fraction of MWCNTs was 1.5％,the thermal decomposition temperature and burning temperature of composite increased about 7.0％ and 30.3％.When the mass fraction of MWCNTs was 2％,the oxygen index of EP composite improved from 19.8 to 21.0.Cone calorimetry analysis showed that when the mass fraction of MWCNTs was 0.5％,the pHRR of composite was the lowest.

carbon nanotubesEPflame retardantcomposite

王志、赵微、张旭、徐艳英、陈健、王旭

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碳纳米管 环氧树脂 阻燃 复合材料

辽宁省科学事业公益研究基金资助项目

GY2014-C-005

2016

消防科学与技术
中国消防协会

消防科学与技术

CSTPCD北大核心
影响因子：0.846
ISSN：1009-0029
年,卷(期)：2016.35(10)
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