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April 27, 2026Pigment & Resin Technology

Optimizing process parameters to improve lab-to-bulk consistency in polyester thread dyeing

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Authors

SNSehrish NaveedFNFarhana Naeem

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Overview

Randomized trial improves dyeing consistency in polyester threads, suggesting methodologies for industrial applications.

Key Points

  • The study aims to enhance the reproducibility of polyester thread dyeing processes by minimizing shade variation between lab and bulk production.
  • Developed five experimental models to optimize dyeing parameters.
  • Aligned spectrophotometric recipes and adjusted bulk dyeing time.
  • Evaluated dye performance through color fastness assessments and CMC ΔE values.
  • Achieved CMC ΔE values below 1 across all polyester thread counts, indicating excellent shade reproducibility.
  • Improved fastness ratings remained at or above Grade 4, showcasing strong color durability.
  • Reduced reprocessing frequency by 15%–20%, contributing to an 8%–12% decrease in production costs.

Cite This Study

Naveed et al. (2026) studied this question.

synapsesocial.com/papers/69eefd15fede9185760d3d26https://doi.org/10.1108/prt-10-2025-0118
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