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Effect of Surface Treatment Method on the Morphology of Nano-aluminium/PS Microcapsules
Author(s): 
Pages: 301-304
Year: Issue:  5
Journal: ENERGETIC MATERIALS

Keyword:  材料科学纳米铝粉微胶囊表面处理形态;
Abstract: 纳米铝粉进行表面处理时所用表面活性剂的种类及用量直接影响Al/PS微胶囊的形态.纳米铝粉在超声波场作用下经Span-80或PEG处理后,可在纳米铝粉表面形成单体和引发剂的富集区,在适当条件下引发以纳米铝粉为核心的原位分散聚合反应.当Al粒子对PEG的吸附与初级粒子对PVP的吸附达到动态平衡时,制备出的Al/PS微胶囊表面光滑,分散性好,大部分Al粒子被PS包裹.
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