正电子湮没在高聚物中的应用研究  

Positron annihilation lifetime used in polymer

作　　者：邓琴[1] 张康助[1] 王晓洁[1] 

机构地区：[1]西安航天复合材料研究所,陕西西安710025

出　　处：《热固性树脂》2005年第4期42-46,共5页Thermosetting Resin

摘　　要：正电子湮没技术是通过自由体积的研究,对聚合物结构探测和表征的1种新型技术。介绍了正电子湮没的实验原理、对寿命数据谱的处理方法并概括了它在高聚物中的应用。Positron annihilation life time spectrum was a new technique to test and characterize polymer structure by research on free volume. The principle of this technique was introduced, then the methods to deal and process with the data from life time spectra were reviewed, at last the application of this technique in polymer was introduced.

关 键 词：正电子湮没 自由体积 正电子 数据处理 

分 类 号：O631.13[理学—高分子化学]