摘要
通过纳米金刚石粒子与硫酸的酯化反应,合成了纳米金刚石粒子磺酸衍生物。采用傅立叶转换红外线光谱仪(FTIR)、飞行时间二次离子质谱仪(TOP-SIMS)对该改性物进行了结构表征。利用四球摩擦磨损试验机研究了化学修饰后纳米金刚石粒子在水基基础液的摩擦学行为。结果表明,纳米金刚石粒子磺酸衍生物在水基基础液中具有良好的分散稳定性;纳米金刚石粒子磺酸衍生物质量分数为0.1%时,可使水基基础液的承载能力提高10%,磨斑直径降低4.4%。
The ultra-fined diamond(UFD) particle sulfuric acid derivant was prepared by esterification reaction and characterized by means of Fourier-transform infrared spectrum(FTIR) and the time of flight secondary ion mass spectroscopy(TOP-SIMS).The tribological properties of the prepared UFD sulfonic acid derivant in the water-base solution were evaluated by using a four-ball friction wear testing machine.The results show that the UFD sulfuric acid derivant has good dispersion stability in water-base solution,the ...
出处
《润滑与密封》
CAS
CSCD
北大核心
2008年第2期80-82,86,共4页
Lubrication Engineering
基金
上海市优秀青年教师培养基金项目
上海市机械制造及其自动化重点(培育)学科资助项目
关键词
纳米金刚石
化学修饰
磺化
摩擦学
ultra-fined diamond particle
chemical modification
sulfonation
tribological properties
