Optimizing Eriofast Fix Concentration for enhanced Colorfastness and Sustainability in Nylon/Spandex Fabrics

Authors

  • Tho Luu Thi Faculty of Garment Technology and Fashion Design, Hanoi University of Industry, Hanoi, Vietnam
  • Mai Nguyen Thi Faculty of Garment Technology and Fashion Design, Hanoi University of Industry, Hanoi, Vietnam
  • Hue Thanh Pham Thi Faculty of Garment Technology and Fashion Design, Hanoi University of Industry, Hanoi, Vietnam
Volume: 15 | Issue: 3 | Pages: 22883-22887 | June 2025 | https://doi.org/10.48084/etasr.10378

Received: 29 January 2025 | Revised: 25 March 2025 | Accepted: 28 March 2025 | Online: 8 May 2025


Corresponding author: Tho Luu Thi

Abstract

This study examines the impact of Eriofast Fix mordant concentration on color intensity and colorfastness of Single Jersey knitted fabric composed of Nylon/Spandex (PA/PU) dyed with disperse dyes. Mordant concentrations ranging from 2.0% to 2.8% were evaluated under standardized processing conditions to measure key characteristics, including washing fastness (TCVN 7835-C10:2007), dry and wet rubbing fastness (ISO 105-X12), acid and alkaline perspiration fastness (ISO 105-E04), and color intensity (K/S values). The results demonstrated that concentrations between 2.0% and 2.4% improved color intensity and washing fastness, minimizing fading, staining, and environmental impact. For rubbing and perspiration fastness, the optimal concentration range extends to 2.6%. Concentrations exceeding 2.6% result in diminished colorfastness, inefficient chemical utilization, and increased production costs. These findings provide a scientific basis for optimizing the dyeing process of PA/PU fabrics, along with the economic efficiency and sustainable production in the textile industry.

Keywords:

mordant concentration, color intensity optimization, colorfastness evaluation, sustainable textile processing, Nylon/Spandex dyeing

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How to Cite

[1]
Thi, T.L., Thi, M.N. and Thi, H.T.P. 2025. Optimizing Eriofast Fix Concentration for enhanced Colorfastness and Sustainability in Nylon/Spandex Fabrics. Engineering, Technology & Applied Science Research. 15, 3 (Jun. 2025), 22883–22887. DOI:https://doi.org/10.48084/etasr.10378.

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