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中文摘要：
采用溶胶-凝胶法及超临界干燥技术，以聚丙烯酸（PAA）作为分散剂，1，2-环氧丙烷作为Cu（Ⅱ）离子水解促进剂制备了CuO气凝胶，并在温和、无毒的条件下制备了纳米铝热剂AI／CuO。采用比表面测试法（BET）、扫描电子显微镜（SEM）、X射线能谱仪（EDS）、X射线衍射（XRD）、差热分析法（DTA）-差示扫描量热法（DSC）等方法对样品的结构和热反应特性进行表征。结果表明，纳米Al粒子与CuO气凝胶粒子均匀复合，形成AI／CuO。纳米铝热剂AI／CuO的反应放热峰分别出现在598℃和752℃左右，快速燃烧过程伴随明亮火焰。
英文摘要：
CuO aerogel was prepared by sol-gel method combined with supercritical fluid drying. Polyacrylic acid and 1 ~2-propylene oxide were used as dispersant and accelerant of Cu（]]） ion hydrolysis. AI/CuO nanothermite was prepared under the moderate and non-toxic condition. The characteristics of structure and thermal behavior were investigated by Brunauer Emmett Teller（BET） ,scanning electron microscopy（ SEM ） , energy dispersive spectrometer（ EDS ） , X-ray diffraction （ XRD ） , differential thermal analysis （DTA） - differential scanning calorimetry（DSC）. Results show nano-AI particles and CuO aerogel are composited uniformly. From DSC curve,Al/CuO nanothermite has two exothermic peaks at 598 ℃ and 752 ℃. And the rapid combustion process is accompanied with bright flame.
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