Dye-resist Properties of Hetero-multifunctional Dye-resist Agents in Acid Dyeing of Wool

  • Oh Myung-Joon (Korea Institute of Industrial Technology Evaluation & Planning) ;
  • Koh Joon-Seok (Department of Textile Engineering, NITRI, Konkuk University) ;
  • Kim Jae-Pil (School of Materials Science, College of Engineering, Seoul National University)
  • Published : 2006.06.01

Abstract

The dye-resist effect and leveling properties of hetero-mulifunctional dye-resist agents in acid dyeing of wool were investigated. The dye-resist agent with dichlorotriazinyl group achieved better resist effectiveness than those with monochlo-rotriazinyl group. The resist effectiveness was improved by increasing the number of sulfonate group in dye-resist agents. Also, the resist agents with more sulfonate groups showed better dye-assist effectivness, attributable to the increased electrostatic attraction between dye-resist agents and the cationic dye. However, the leveling properties of dye-resist agents decreased with the number of sulfonate groups in the molecule.

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