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The effect of working pressure on the chemical bond structure and hydrophobic properties of PET surface treated by N ion beams bombardment

机译:工作压力对N离子束轰击PET表面化学键结构和疏水性能的影响

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摘要

Polyethylene terephthalate (PET) surface was bombarded by N ion beams at room temperature. Varying the working pressure of the ion beams, PET surfaces with different composition and properties were obtained. Characterization by X-ray photoelectron spectrometry showed that only on film surface, ester bonds, especially C-0 bonds, were broken and N element chemical bonded with C. The influence depth was less than 5 nm because of the lower ion energy (about 10~3 eV). Contact angle results revealed that with increasing the working pressure of ion beams, the contact angle of PET surface to pure water increased from 51° to 130°. With these results, one conclusion could be deduced that the hydrophilic and hydrophobic properties of PET surface could be influenced by N atom chemical bond with C, which in turn is controlled by the working pressure of N ion beams.
机译:室温下,N离子束轰击聚对苯二甲酸乙二酯(PET)表面。通过改变离子束的工作压力,可以获得具有不同组成和性能的PET表面。 X射线光电子能谱表征表明,仅在薄膜表面,酯键特别是C-0键断裂,N元素与C化学键合。由于离子能量较低(约10左右,影响深度小于5 nm)。 〜3 eV)。接触角结果表明,随着离子束工作压力的增加,PET表面与纯水的接触角从51°增大到130°。根据这些结果,可以得出一个结论:PET表面的亲水性和疏水性可能受到与C的N原子化学键的影响,而C则由N离子束的工作压力控制。

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  • 来源
    《Applied Surface Science》 |2010年第22期|p.6876-6880|共5页
  • 作者单位

    Engineering Research Center of Optoelectronic Materials & Devices Education Department of Liaoning Province, Dalian, 116028, China,School of Materials Science and Engineering, Dalian Jiaotong University, Dalian, 116028, China,Key Laboratory of Materials Modification by Laser, Ion and Electron Beams (Dalian University ofTechnology), Ministry of Education, Dalian, 116024, China;

    Department of Material Science and Engineering, Saitama Institute ofTechnology Fukaya, 369-0293, Japan;

    Engineering Research Center of Optoelectronic Materials & Devices Education Department of Liaoning Province, Dalian, 116028, China,School of Materials Science and Engineering, Dalian Jiaotong University, Dalian, 116028, China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    polyethylene terephthalate; ion beams; xps; chemical bond; contact angle;

    机译:聚对苯二甲酸;离子束xps;化学键;接触角;

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