Journal of the Korean Society of Clothing and Textiles (한국의류학회지)

The Korean Society of Clothing and Textiles (한국의류학회)
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Surface Modification of PET Irradiated by Ultra-Violet (Part I) -Transformation of Chemical Structure and Surface Properties-

UV조사를 통한 PET의 표면개질 (제1보) -화학구조 변화 및 표면특성 변화-

  • Choi Hae Young (Dept. of Clothing and Textiles, College of Human Ecology, Chungnam National University) ;
  • Lee Jung Soon (Dept. of Clothing and Textiles, College of Human Ecology, Chungnam National University)
  • 최혜영 (충남대학교 생활과학대학 의류학전공) ;
  • 이정순 (충남대학교 생활과학대학 의류학전공)
  • Published : 2005.03.01
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Abstract

The irradiation of Ultra-Violet (UV) is an efficient treatment for polymer to improve hydrophilic properties. 4-Channel PET knit fabrics were treated with UVA and UVC to develop functional and environment-friendly fabric. The fabric was treated with various treatment times and distances from UV lamps having different wavelength. FT-IR and XPS investigated the chemical changes. To confirm the change of surface properties, contact angle, surface energy and SEM were examined. The study of UV as a treatment for PET knit fabric shows significant changes in chemical and surface properties, which is proved by analyses. FT-IR and XPS analyses prove the augmentation of carboxylic, Hydrophilic groups on the surfaces treated by UV. The increase of water contact angle and surface energy means more water wettable and surface energy of PET film was substantially increased by UV irradiation time. The ageing after surface treatment had little influence on the surface energy of the irradiated PET film. SEM proves the surface modification of PET such as etching, bubble and crack. The negative effects are increased in accordance with increasing treatment time.

Keywords

References

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