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微乳液一步法制备纳米镍白油稳定分散体 被引量:1

Preparation of Stable Dispersion of Nano-Nickel in White Oil by One-Step Method with a Microemulsion Reactor
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摘要 在水(溶液)/白油/Span-80+Tween-80/正己醇反相微乳液体系中,用水合肼还原硫酸镍原位一步法制备纳米镍白油稳定分散体。并采用XRD、TEM、分散稳定性等方法对产物进行了表征。结果显示,改变反应条件可制备含不同形貌纳米镍颗粒的白油分散体,其中含球形纳米镍的白油分散体分散稳定性最好,其中镍颗粒的粒径为13nm。 In the micro-emulsion system consisting of aqueous solution, white oil, Span-80+Tween-80 and n-hexyl alcohol, the stable dispersion of nano-nickel in white oil was prepared by one-step process through reducing NiSO4 with N2H4-H2O. The product was characterized by XRD, TEM and disperse stability method. The results showed that the dispersions of nano-nickel with different shapes in white oil could be prepared by changing reactive condition. Among these dispersions, the disperse stability of the spherical nano-nickel dispersion in white oil was the best, whose diameter is about 13 nm.
出处 《稀有金属材料与工程》 SCIE EI CAS CSCD 北大核心 2009年第A03期321-324,共4页 Rare Metal Materials and Engineering
基金 国家"863"重点项目(2006AA030202)
关键词 纳米镍 反相微乳液 一步法 制备 nano-nickel w/o micro-emulsion one-step method preparation
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