超临界二氧化碳介质中纳米颗粒合成研究进展  

Progress in Research on Preparation of Nanoparticles in Supercritical Carbon Dioxide

作　　者：刘玲[1] 刘昭铁[1] 

机构地区：[1]陕西师范大学大分子科学陕西省重点实验室,西安710062

出　　处：《材料导报》2005年第F11期24-26,共3页Materials Reports

基　　金：国家自然科学基金资助（20473051）;陕西省自然科学基金（2004812）

摘　　要：在超临界流体介质中制备纳米颗粒是一项纳米颗粒合成的新技术。介绍了超临界流体的特性，综述了超临界流体快速膨胀、超临界流体抗溶剂、超临界流体干燥、超临界流体微乳液、超临界二氧化碳制动沉降法等技术的原理、影响因素、应用研究及发展前景。利用超临界流体较好的溶解、扩散和传质能力，可制备出性能优异的纳米颗粒。Preparation of nanoparticals using supercritical fluid is a new technology. The properties of supercritical fluid are summarized. Several technologies such as rapid expansion of supercritical solution, gas anti-solvent, supercritical fluid drying and supercritical carbon dioxide microemulsion are introduced. The principles, influential factors,applications and development of these technologies are reviewed. Utilizing better solubility, diffusivity and mass transfer ability of supercritical fluid can synthesize nanoparticals with excellent properties.

关 键 词：超临界流体 超临界流体快速膨胀 超临界流体抗溶剂 超临界流体干燥 超临界流体微乳液 米颗粒 制备 

分 类 号：TQ612.9[化学工程—精细化工] TS193.59[轻工技术与工程—纺织化学与染整工程]