玻璃钢/复合材料Issue(10)：41-45,5.
纳米Al2O3对含磷环氧树脂体系的性能影响
THE INFLUENCE OF NANO-Al2O3 ON THE PROPERTIES OF PHOSPHORUS-CONTAINING FLAME RETARDED EPOXY RESINS
摘要
Abstract
In this work,nano-Al2O3 was used as the synergistic flame retardant to study its influence on the flame retardancy of the EP/DOPO and EP/HPCTP thermosets.The thermal stability and flame retardancy of the neat EP and flame retarded EP thermosets were studied by thermogravimetric analysis (TGA),dynamic thermomechanical analysis (DMA),limiting oxygen index (LOI) and UL-94 vertical burning test.The results indicated that the phosphorus-containing flame retardant (DOPO or HPCTP) contributed to improving the flame retardancy of the cured EP resins.However,it will result in the decrease of the Ts of the cured EP resins.Nevertheless,Nano-Al2O3 not only increased the char yield at 800 ℃ and LOI of the cured EP resins,but also improved the Ts and onset decomposition temperature of the cured EP resins to some extent.When the content of nano-Al2O3 was 4％ in the cured EP resins,the LOI of EP-DOPO-Al2O3-4phr and EP-HPCTP-Al2O3-4phr achieved 36.4％ and 41.0％,and UL-94 V-0 rating was obtained,which indicated that nano-Al2O3 was an effective synergistic flame retardant to improve the flame retardancy of the EP/DOPO and EP/HPCTP thermosets.关键词
环氧树脂/阻燃性能/含磷阻燃剂/纳米Al2O3Key words
epoxy resin/flame retardancy/phosphorus-containing flame retardant/Nano-Al2O3分类
通用工业技术引用本文复制引用
李道成,王钧,霍思奇,张斌..纳米Al2O3对含磷环氧树脂体系的性能影响[J].玻璃钢/复合材料,2017,(10):41-45,5.基金项目
国家自然科学基金(51373129,51672201) （51373129,51672201）
