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对聚三甲硅基丙炔（ＰＴＭＳＰ）进行表面氟化改性，改性膜的氧氮选择性提高，气体透过稳定性增加．用ＸＰＳ谱分析改性后的膜表面，其表面结构发生了显著变化。
The surface fluorination modification of polytrimethylsilyl propyne (PTMSP) improved the oxygen and nitrogen selectivity of modified films and the gas permeation stability increased. Analysis of the modified membrane surface by XPS showed that the surface structure of the membrane changed significantly.