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Non-destructive broadband terahertz spectroscopy for investigating degradation of poly(2-ethylcyanoacrylic) adhesive

机译:用于研究聚(2-乙基氰基丙烯酸)粘合剂的降解的非破坏性宽带太赫兹光谱

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摘要

We apply Fourier-transform terahertz spectroscopy to investigate the deformation of poly(2-ethylcyanoacrylic) adhesive (PECA) on a polyethylene substrate. The terahertz absorption spectra of the PECA samples were measured over the frequency range 1-10 THz, and absorption peaks from the adhesive layer were identified at 5.70, 6.23, and 7.55-9.12 THz. The PECA samples were then degraded via a hydration reaction, with the terahertz spectra showing a decrease in the intensity of the main peaks of PECA with increasing water degradation time. This study demonstrates the potential of terahertz spectroscopy for the continuous monitoring of the degradation of an adhesive layer.
机译:我们应用傅立叶变换的太赫兹光谱,以研究聚(2-乙基氰基丙烯酸)粘合剂(PECA)在聚乙烯基材上的变形。 在频率范围内测量PECA样品的太赫兹吸收光谱,在5.70,6.23和7.55-9.12 THz中鉴定了来自粘合剂层的吸收峰。 然后通过水化反应降解PECA样品,具有硫化光谱,显示PECA主要峰的强度降低,随着水降解时间的增加。 本研究表明,太赫兹光谱的潜力用于连续监测粘合剂层的劣化。

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  • 来源
    《RSC Advances》 |2020年第15期|共5页
  • 作者单位

    Toyohashi Univ Technol 1-1 Hibarigaoka Tempaku Cho Toyohashi Aichi 4418580 Japan;

    Toyohashi Univ Technol 1-1 Hibarigaoka Tempaku Cho Toyohashi Aichi 4418580 Japan;

    Toyohashi Univ Technol 1-1 Hibarigaoka Tempaku Cho Toyohashi Aichi 4418580 Japan;

    Toyohashi Univ Technol 1-1 Hibarigaoka Tempaku Cho Toyohashi Aichi 4418580 Japan;

    Toyohashi Univ Technol 1-1 Hibarigaoka Tempaku Cho Toyohashi Aichi 4418580 Japan;

    Maizuru Coll Natl Inst Technol 234 Shiroya Kyoto 6258511 Japan;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 化学;
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