惯性约束聚变靶材料碳气凝胶的制备方法  

Preparation Method of Carbon Aerogels as the Target Materials of Laser Inertial Confinement Fusion

作　　者：郭艳芝[1] 沈军[1] 陈绍国 周斌[1] 王珏[1] 

机构地区：[1]同济大学波耳固体物理研究所,上海200092

出　　处：《原子能科学技术》2002年第4期324-326,共3页Atomic Energy Science and Technology

基　　金：德国大众汽车基金资助项目 (1 1 0 1 0 3);国家"863"惯性约束聚变青年科学基金资助项目 (2 0 0 1 1 2 )

摘　　要：用溶胶 凝胶法制备出了高RC比 (间苯二酚与催化剂的摩尔比 )的RF有机气凝胶 ,通过溶剂替换 ,成功地实现了常压条件下的干燥工艺。经高温碳化处理 ,将RF有机气凝胶转化为碳气凝胶 ,改变RC比和聚合单体的质量百分数 ,可控制气凝胶的粒径及孔径、密度及比表面积。用扫描电镜 (SEM )、BET等方法对其颗粒大小、密度、比表面积及孔径分布等微结构进行了分析测试。Resorcinol formaldehyde(RF) aerogels with high RC ratio(molar ratio of resorcinol to catalyst) are prepared by using sol gel process. They can be dried at ambient conditions by solvent substitution. Carbon aerogels are formed by pyrolyzing the RF aerogels, and the grain and pore size, density and specific surface area of aerogels can be controlled by adjusting the RC ratio and the concentration of resorcinol. The micro structure of the porous carbon aerogels is measured by SEM and BET.

关 键 词：惯性约束聚变 靶材料 制备方法 有机气凝胶 碳气凝胶 常压干燥 结构 溶胶-凝胶法 

分 类 号：TL632[核科学技术—核技术及应用] TL627