分析了聚酯薄膜经空气电晕等离子体辐照处理后,其表面组成和形貌的变化.结果表明,聚酯薄膜表面的活性基团在亲水环境中更倾向于迁移至表面,而不是向次表面或者基材本体内迁移.薄膜表面C=O和O-H的引入量随电晕辐照强度的增加而增大,XPS结果表明,C-O、C=O和O-C=O的总含量增大,O1s谱图中新峰的结合能为532.49 eV,对应于聚酯薄膜表面过氧化物的-O-O-键.原子力显微镜研究表明,聚酯薄膜经电晕辐照后,表面形成离散的球状颗粒,表面粗糙度变化范围在10 nm左右.
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