【作者】 王仕辰； 蔡华强； 居佳； 黄辉；

【Author】 WANG Shi-chen;CAI Hua-qiang;JU Jia;HUANG Hui;Institute of Chemical Materials,CAEP;Shool of Materials Science and Engineering,SWUST;

【机构】 中国工程物理研究院化工材料研究所； 西南科技大学材料科学与工程学院；

【摘要】 超临界CO2不仅具有气体扩散系数大和液体溶解能力好的特性,同时还具有易制备、环保等特点,在含能材料改性细化、包覆方面起到了重要作用。综述了超临界流体快速膨胀法RESS、超临界流体反溶剂法SAS、超临界流体增强溶液扩散法SEDS、气体反溶剂法GAS四种常用方法的原理,结合研究现状,探讨了温度、压强、溶剂、待处理物质浓度、溶液流速、超临界流体CO2流速等因素对含能材料细化和包覆效果的影响,并展望了超临界流体技术在含能材料领域广阔的应用前景。更多还原

【Abstract】 Supercritical fluid CO2 has many features such as large diffusion coefficients of gases and good solvency of liquids as well as easy preparation and environmental protection, and plays an important role in terms of energetic materials refining and coating. This paper reviews the common principles of RESS, SAS, SEDS, GAS. According to the research progress, it investigates effects of temperature, pressure, solvent identification, concentration of the substance, solution flow rate, flow rate of CO2 to refining and coating of energy materials, and looks forward to the bright prospect of applications of supercritical fluid in the field of energetic materials.更多还原