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本文用电子能谱(ESCA)角度外推法得到SPU最表层的组成,并与表面能测定等方法所得结果相对照,结果表明不同本体组成的SPU薄膜的表面成份大致相同。
In this paper, the composition of the outermost layer of SPU was obtained by extrapolation from electron spectroscopy (ESCA), and the results were compared with those obtained by surface energy measurement. The results showed that the surface composition of SPU thin films with different bulk compositions were almost the same.