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Weight Reduction and Dyeing Characteristics of Sea-Island Type Ultramicrofiber PET Tricot Fabric with Black Color

  • Textile Coloration and Finishing
  • Abbr : Text. Color. and Finish.
  • 2020, 32(1), pp.9-18
  • DOI : 10.5764/TCF.2020.32.1.9
  • Publisher : The Korean Society Of Dyers And Finishers
  • Research Area : Engineering > Fiber Engineering > Dyeing Engineering
  • Received : March 5, 2020
  • Accepted : March 24, 2020
  • Published : March 27, 2020

Jeong Min Kang 1 Min Gu Kim 1 Ji Eun Lee 1 Jae Wang Ko 2 Il Jin Kim 2 Jae Yeon Lee 2 Dong Jin Lee 2 Seong Ik Ko 3 Dae Ho Jung 3 Lee Seung Geol 1

1부산대학교 유기소재시스템공학과
2한국신발피혁연구원
3(주)정산인터내셔널

Accredited

ABSTRACT

In this study, we conducted alkali hydrolysis on sea-island type PET ultramicrofiber tricot fabric and dyeing according to the various conditions with black disperse dye. Herein, we evaluated the weight loss rate and tensile strength according to the NaOH contents. The optimal alkali hydrolysis treatment conditions were set to 25 %omf NaOH with a treatment time of 60 min at 110 ℃, and average weight loss rate of the PET ultramicrofiber tricot fabric is about 23 %. The dyeing conditions were investigated with different dyeing temperatures(95-135 ℃), dyeing time(20-60 min), dye contents(2-10 %omf), dispersant contents(1-9 g/ℓ), pH buffer solution contents(1-9 g/ℓ), UV-absorbent contents(5-25 %omf) and reduction cleaning process conditions for black color. We obtained the optimum conditions of the dyeing with the dye contents of 8 %omf, the dispersant contents of 1 g/ℓ, the pH buffer solution contents of 1 g/ℓ, the UV-absorbent contents of 10 %omf, the dyeing temperature of 135 ℃ and the dyeing time of 40 min. The light colorfastness of dyed ultramicrofiber PET tricot fabric was good to excellent in the range of 4 to 5.

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