摘要：对纳米金刚石在水介质中的分散进行了探讨,利用机械力和化学力共同作用,对纳米金刚石表面进行改性,从而实现纳米金刚石在水介质中的分散和稳定,采用不同的机械化学处理工艺,可以使得体系在酸性和碱性介质条件下均保护良好的分散。对表面改性过程进行了机理分析。

关键词： 纳米金刚石;表面改性;分散;化学机械处理

Abstract：T he dispersion and stability of nano-diamond in aqueous medium are investigated．T he combined effects of mechanical and chemical forces are conducted to modify the surface of nano-diamond particles aim to achieve the dispersion and stability of nano-diamond in water．When different chemical and mechanical processes are applied excellent dispersion system of both acidic and alkaline aqueous medium can be obtained．Surface modification mechanism of nano-diamond is also discussed．

Keywords： nano-diamond；surface modification；dispersion； chemical－mechanical treatment