한국염색가공학회지 (Textile Coloration and Finishing)

  • 제26권3호
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  • Pages.159-164
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  • 2014
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  • 1229-0033(pISSN)
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  • 2234-036X(eISSN)
한국염색가공학회 (The Korean Society of Dyers and Finishers)
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자외선/오존 조사에 의한 Poly(butylene succinate) 필름의 광산화

Photooxidation of Poly(butylene succinate) Films by UV/Ozone Irradiation

  • 주진우 (금오공과대학교 소재디자인공학과) ;
  • 장진호 (금오공과대학교 소재디자인공학과)
  • Joo, Jin-Woo (Department of Materials Design Engineering, Kumoh National Institute of Technology) ;
  • Jang, Jinho (Department of Materials Design Engineering, Kumoh National Institute of Technology)
  • 투고 : 2014.08.27
  • 심사 : 2014.09.17
  • 발행 : 2014.09.27
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초록

Biodegradable Poly(butylene succinate), PBS, was photooxidized by UV/ozone irradiation and the effect of UV energy on the surface properties of the UV-irradiated PBS film were investigated by the measurement of reflectance, surface roughness, contact angles, chemical composition, and zeta potential. With increasing UV energy, reflectance decreased in the visible and ultraviolet regions particularly at the wavelength of 380nm. The irradiation produced nano-scale surface roughness including the maximum peak-to-valley roughness increased from 106nm for the unirradiated sample to 221nm at the UV energy of $10.6J/cm^2$. The improved hydrophilicity was due to the higher $O_{1s}/C_{1s}$ resulting from the introduction of polar groups such as C-O and C=O bonds. The surface energy of the PBS increased from $42.1mJ/m^2$ for the unirradiated PBS to $56.8mJ/m^2$ at the irradiation of $21.2J/cm^2$. The zeta potentials of the UV-irradiated PBS also decreased proportionally with increasing UV energy. The cationic dyeability of the PBS increased accordingly resulting from the improved affinity of the irradiated PBS surfaces containing photochemically introduced anionic and dipolar dyeing sites.

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참고문헌

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