Textile Science and Engineering (한국섬유공학회지)

The Korean Fiber Society (한국섬유공학회)
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Effect of Two-step CHF3 Plasma Treatment for Poly(imide) and Poly(ethyleneTerephthalate) Pre-treated by O2 Plasma on Surface Characteristics

O2 플라즈마로 전처리된 PET 및 PI 필름의 2단계 CHF3 플라즈마 처리가 필름의 표면특성에 미치는 영향

  • Kang, In-Sook (Department of Clothing & Textiles, Changwon National University) ;
  • Rha, Jong-Joo (Materials Processing Division, Korea Institute of Materials Science)
  • 강인숙 (창원대학교 자연과학대학 의류학과) ;
  • 나종주 (한국기계연구원 부설 재료연구소 융합공정연구본부)
  • Received : 2012.08.29
  • Accepted : 2012.10.06
  • Published : 2012.10.31
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Abstract

Poly(ethylene terephthalate) and poly(imide) surfaces pre-treated by $O_2$ plasma were modified by two-step $CHF_3$ plasma, and the plasma modified film surface were investigated with scanning probe microscopy, X-ray photoelectron spectroscopy, and contact-angle and surface energy to characterize the surfaces. The surface energies were calculated from measured contact angles between several solutions and film-based on geometric means and the Lewis acid-base method. The exposure of the PET and PI film surfaces pre-treated by $O_2$ plasma to the two-step $CHF_3$ plasma led to the decrease in surface roughness and increase of the contact angles of film in water and surfactant solution. Primarily because of the contribution of polar force, the surface energy and hydrophilicity of PET and PI film treated by $CHF_3$ plasma decreased greatly. Electron spectroscopy for chemical analysis (ESCA) indicated that the $CHF_3$ plasma treatment introduced fluorine functional groups led to a decrease of the surface energy and hydrophilicity of PET and PI film.

Keywords

Acknowledgement

Supported by : 한국연구재단

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