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合成端羟基聚苯乙烯和聚环氧乙烷嵌段共聚物（PS—PEO），并拉制LB膜，用原子力／摩擦力显微镜（AFM／FFM）表征其表面微观形貌，研究其在极轻载荷下的摩擦性能
Synthesis of hydroxy-terminated polystyrene and polyethylene oxide block copolymer (PS-PEO), and the LB film was drawn by atomic force / friction microscopy (AFM / FFM) to characterize its surface morphology, Friction performance under light load