李淑娟,刘祥萱,王煊军.表面活性剂包覆超细Ni粉的性能研究[J].表面技术,2008,37(2):28-30,33.
LI Shu-juan,LIU Xiang-xuan,WUANG Xuan-jun.Study on Property of Ultrafine Nickel Particles Encapsulated with Surfactants[J].Surface Technology,2008,37(2):28-30,33 |
| 表面活性剂包覆超细Ni粉的性能研究 |
| Study on Property of Ultrafine Nickel Particles Encapsulated with Surfactants |
| 投稿时间：2007-11-14 修订日期：2008-04-10 |
| DOI： |
| 中文关键词: 表面活性剂 超细Ni粉 包覆 性能 |
| 英文关键词:Surfactants Ultrafine nickel particles Encapsulating Performances |
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| 中文摘要: |
| 为了提高超细Ni粉的分散性能，提高其与有机介质的相容性，采用表面活性剂对超细Ni粉进行包覆；考察了表面活性剂类型、pH值、溶剂对Ni-表面活性剂复合粒子亲水亲油性能、分散性能和耐酸蚀性能的影响，显示十二烷基苯磺酸钠(DBSA)是一种优良的包覆剂；运用FTIR光谱和TEM分别对Ni-DBSA复合粒子的表面结构和形态进行了测试和表征。结果表明：pH =9、溶剂为去离子水时，Ni-DBSA复合粒子具有良好的核一壳结构，并且Ni粉表面完全被DBSA分子代替。 |
| 英文摘要: |
| In order to improve the dispersion property and the compatibility with organic medium of ultrafine nickel powders, ultrafine nickel powders were encapsulated with surfactants. The effects of the types of surfactants, pH value and solvent on the lypohydrophilic character, dispersion property and anti acid corrosion performance of particles encapsulated were studied. The experiments show that DBSA is an ermnent encapsulation reagent. The effects of pH value and solvent on the properties of ultrafine Ni-DBSA composite powders were investigated. The structure of composite particles on the surface was identified with FTIR and the morphology of them was observed using TEM. The results show that Ni-DBSA composite powders have very good core-shell structure; furthermore, the surface of Ni particles is replaced completely by DBSA molecule when the pH value is 9 and non-ion water is adopted. |
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