首页> 外文期刊>Journal of Applied Polymer Science >ANALYSIS OF POLY(ETHYLENE TEREPHTHALATE) (PET) FILMS BY ATOMIC FORCE MICROSCOPY
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ANALYSIS OF POLY(ETHYLENE TEREPHTHALATE) (PET) FILMS BY ATOMIC FORCE MICROSCOPY

机译:聚对苯二甲酸乙二酯(PET)薄膜的原子力显微镜分析

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摘要

An atomic force microscope operating in a contact mode can provide 5- x 5-nm atomic-scale images of a poly(ethylene terephthalate) (PET) film that allows the identification of what are believed to be phenyl groups and phenyl chains. Large-scale, 5- x 5-mu m images reveal the presence of raised surface features attributed to the extrusion process used to form the PET film. These surface irregularities could affect the film's physicochemical properties. Furthermore, regions with different overall surface roughnesses have been identified, showing that surface roughness can distinguish between the amorphous and crystalline regions that form this type of film. Imaging forces have been found capable of altering the film surface, and surface disorder increases with imaging time. (C) 1997 John Wiley & Sons, Inc. [References: 30]
机译:在接触模式下运行的原子力显微镜可以提供聚对苯二甲酸乙二醇酯(PET)膜的5 x 5 nm原子级图像,从而可以识别被认为是苯基和苯基链的分子。大型5 x 5微米图像显示存在凸起的表面特征,这归因于用于形成PET膜的挤压工艺。这些表面不规则性可能影响薄膜的物理化学性质。此外,已经鉴定出具有不同总体表面粗糙度的区域,这表明表面粗糙度可以区分形成这种类型的膜的非晶和结晶区域。已经发现成像力能够改变膜表面,并且表面紊乱随着成像时间而增加。 (C)1997 John Wiley&Sons,Inc. [参考:30]

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