共查询到18条相似文献,搜索用时 62 毫秒
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概述了气相法白炭黑的制备、结构与性能,重点介绍了气相法白炭黑的改性方法以及在高分子材料方面的应用进展,并展望了气相法白炭黑的应用前景。 相似文献
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概述了气相法白炭黑的制备、结构与性能,重点介绍了气相法白炭黑的改性方法以及在高分子材料方面的应用进展,并展望了气相法白炭黑的应用前景。 相似文献
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Fumed silica is a synthetic amorphous silicon dioxide produced by burning silicon tetrachloride in an oxygen-hydrogen flame. Surface areas range from 50–400 m2/g. Using particle sizing techniques, fumed silica shows micron sized particles leading to surface areas markedly lower than expected. Fumed silica appears as a fluffy solid with bulk densities down to 0.03 g/cm3, being invariant over the wide range of surface areas. Attempts to relate the variation of the surface area directly to the performance of fumed silica in technical applications, such as its thickening efficiency in fluids, mainly fail and remain ambiguous. 相似文献
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