한국염색가공학회지 (Textile Coloration and Finishing)

  • 제19권2호
  • /
  • Pages.7-13
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  • 2007
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  • 1229-0033(pISSN)
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  • 2234-036X(eISSN)
한국염색가공학회 (The Korean Society of Dyers and Finishers)
권호 표지

Effect of Coloration on the Hydrophilicity and Swelling Properties of Poly-HEMA Hydrogels

  • Jang, Jin-Ho (School of Advanced Materials and System Engineering, Kumoh National Institute of Technology) ;
  • Park, Hwa-Sung (GEO Medical Co. Ltd.) ;
  • Jeong, Yong-Kyun (School of Advanced Materials and System Engineering, Kumoh National Institute of Technology)
  • 발행 : 2007.04.27
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초록

Photopolymerization of 2-hydroxyethyl methacrylate(HEMA), in the presence of ethyleneglycol dimethacrylate(EGDMA) and 1-Hydroxycyclohexyl phenyl ketone as crosslinker and photoinitiator, respectively, produced crosslinked poly-HEMA hydrogels. The hydrogels were colored by the exhaustion of vinylsul-phone-type reactive dyes. Good colorfastness to laundering was achieved when colored with C.I. Reactive Black 5. We investigated that the effect of coloration on the hydrophilicity and swelling properties of the films. More hydrophilic gel-surfaces were generated with in increase in coloration and crosslinking. Higher surface energy was observed with higher crosslinking level. The more rapid and higher water swellability of poly-HEMA gels after coloration may be resulted from a more opened gel structure by the easier hydration of the hydrophilic sulphonic acid groups of the reacted dyes in water.

키워드

참고문헌

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