Textile Science and Engineering (한국섬유공학회지)

The Korean Fiber Society (한국섬유공학회)
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Effects of O2 Plasma Treatment on the Hydrophilic/hydrophobic Contrast of Film Substrates

O2 플라즈마 처리에 따른 필름기질의 친수 및 소수화 상반효과

  • Kang, In-Sook (Department of Clothing & Textiles, Changwon National University)
  • 강인숙 (창원대학교 자연과학대학 의류학과)
  • Received : 2013.05.20
  • Accepted : 2013.08.13
  • Published : 2013.08.31
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Abstract

We studied the effects of $O_2$ plasma on the hydrophilic/hydrophobic contrast of film substrates. PET (polyethylene terephthalate) and FEP (fluorinated ethylene propylene) films were treated by $O_2$ plasma, and the surface of the films was investigated using atomic force microscopy(AFM), X-ray photoelectron spectroscopy (XPS), and contact-angle and surface energy measurements. Surface energies were calculated from the measured contact angles between several solutions and the films based on the geometric mean and Lewis acid-base method. The contact angle of PET films treated by $O_2$ plasma decreased with increasing treatment time in water and surfactant solution, and surface energy increased with increasing polar component of surface tension of the film. In contrast, the contact angle of the $O_2$ plasma-treated FEP film decreased, and surface energy decreased with decreasing nonpolar component of surface tension of the film.

Keywords

References

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