Textile Science and Engineering (한국섬유공학회지)

The Korean Fiber Society (한국섬유공학회)
권호 표지

The Effects of Surface Morphology of Poly(ethylene terephthalate) Film on Detergency of Particulate Soil (II) -The Adsorption of Surfactant and Interfacial Electrical Phenomena-

PET 필름의 표면 모폴로지가 고형오구의 세척성에 미치는 영향(II) -계면활성제 흡착 및 계면전기적 현상-

  • Kang, In-Sook (Department of Clothing & Textiles, Changwon National University)
  • 강인숙 (창원대학교 자연과학대학 의류학과)
  • Received : 2011.07.29
  • Accepted : 2011.09.20
  • Published : 2011.10.28
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Abstract

This study is the preliminary part in investigating the influence of surface characteristics of substrates on detergency of particulate soil. The surface of PET film was modified with NaOH and DMF for different time. Generally, the adsorption of surfactants of the film treated with NaOH and DMF was relatively higher and lower than those of non-treated film, respectively. And the adsorption of surfactant was increased with an increasing concentration of the surfactant regardless of its treated condition. But the effect of ionic strength on the adsorption of surfactant varied with the treated condition. The ${\zeta}$-potential of film and the interaction energy between ${\alpha}-Fe_2O_3$particle and a PET film treated with NaOH was largely higher than the original film, but those treated with DMF was lower. The adsorption of surfactants to the film and the ${\zeta}$-potential of film were related more with contact angle and surface energies than with the surface roughness and surface area. A coefficient of the correlation between adsorption of surfactant to substrate and the ${\zeta}$-potential of film was over 0.9.

Keywords

Acknowledgement

Supported by : 한국학술진흥재단

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