Textile Science and Engineering (한국섬유공학회지)

The Korean Fiber Society (한국섬유공학회)
권호 표지

Application of Cotelomer Type Surfactants in the Disperse Dyeing

분산염색에서 Cotelomer 타입 계면 활성제의 응용

  • Lee, Jae-Ho (Department of Biomaterial Engineering, Pusan National University) ;
  • Choi, Hae-Wook (Department of Biomaterial Engineering, Pusan National University) ;
  • Jung, Young-Jin (Department of Biomaterial Engineering, Pusan National University) ;
  • Hwang, Dae-Youn (Department of Biomaterial Engineering, Pusan National University) ;
  • Choi, Young-Ho (Ilshintextile) ;
  • Lee, Eon-Pil (Department of Biomaterial Engineering, Pusan National University)
  • 이재호 (부산대학교 바이오소재공학과) ;
  • 최해욱 (부산대학교 바이오소재공학과) ;
  • 정영진 (부산대학교 바이오소재공학과) ;
  • 황대연 (부산대학교 바이오소재공학과) ;
  • 최영호 (일신텍스타일) ;
  • 이언필 (부산대학교 바이오소재공학과)
  • Received : 2009.12.02
  • Accepted : 2010.02.05
  • Published : 2010.02.28
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Abstract

Multi-chain surfactants usually form micelles more easily than single-chain surfactants due to their low surface tension and low solubility in water. In this study we prepared cotelomers of multi-alkylated nonionic surfactants with a molecular structure $xR_nMA$-yVA (x; hydrophobic group, y; hydrophilic group, MA; methacrylic ester, VA; vinyl alcohol, R; alkyl group) and investigated their properties as surfactants for the disperse dyeing of cellulose acetate, nylon 6, and PET fibers. Some cotelomers were synthesized via a radical polymerization of vinyl monomers MA and VA using azobisisobutyronitrile (AIBN) as an initiator. The ratio of x/y and degree of polymerization of $xR_nMA$-yVA with an alkyl chain length (n) of 4 or 6 were controlled by adjusting the ratio of thiol to monomers. We found that a cotelomer with a degree of polymerization 9.9 showed better dispersing performances than cotelomer with a degree of polymerization 4.4 or 12.5, and that the degree of dispersion increased to a certain level and then decreased as concentration of cotelomer increased. The highest value of dye uptake for the three fibers was obtained when using a cotelomer with a monomer unit ratio (x/y) of 0.2 and 0.5 g/l of concentration was 0.5 g/l.

Keywords

Acknowledgement

Supported by : 부산대학교

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