Textile Science and Engineering (한국섬유공학회지)

The Korean Fiber Society (한국섬유공학회)
권호 표지

Dyeability of Surface Modified Cellulose Acetate Fabrics via UV Irradiation

자외선 조사에 의해 표면개질된 셀룰로스 아세테이트 직물의 염색성

  • Lee, Hae-Sung (School of Advanced Materials and System Engineering, Kumoh National Institute of Technology) ;
  • Son, Won-Suk (SNS Co. Ltd.,) ;
  • Yu, Jae-Hyun (SNS Co. Ltd.,) ;
  • Lyoo, Won-Seok (School of Textiles, Yeungnam University) ;
  • Jang, Jin-Ho (School of Advanced Materials and System Engineering, Kumoh National Institute of Technology)
  • 이해성 (금오공과대학교 신소재시스템공학부) ;
  • 손원석 (㈜에스앤에스) ;
  • 유재형 (㈜에스앤에스) ;
  • 류원석 (영남대학교 섬유패션학부) ;
  • 장진호 (금오공과대학교 신소재시스템공학부)
  • Published : 2006.08.01
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Abstract

Hydrophobic surfaces of cellulose acetate(CA) fabrics were modified to give more hydrophilicity via $UV/O_3$ irradiation. The surface change of chemical structure and composition were investigated by ATR and ESCA analysis. The UV irradiation treatment caused ester linkage of the acetyl groups to break down and new photo-oxidated products were generated as indicated in subtracted ATR spectra and $O_{1s}/C_{1s}$. Also degree of acetylation of the irradiated CA fabrics decreased with increasing UV energy. It was found that the dyeability of the modified acetate remarkably improved particularly toward cationic and reactive dyes, while disperse dyeability of the modified fabrics decreased noticeably at the irradiated surface. Effect of change in various dyeing conditions including dye concentration, dyeing time and temperature on cationic dyeing were assessed to find optimal dyeing condition. The colorfastness of the acetate fabrics to laundering and rubbing was good enough in spite of surface coloration of the acetate fabrics inevitable in the UV treatment and subsequent dyeing.

Keywords

References

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