Dyeing Processes in Advanced Polymer Fibers
Summary
Advanced polymer fibers such as polyethylene terephthalate, polyetherimide and high‐performance polyamides pose distinctive challenges for dyeing due to their semi‐crystalline structure, limited surface polarity and high glass transition temperatures. Traditional methods often rely on carriers or elevated temperatures to facilitate dye diffusion into amorphous regions, but these approaches can be energy‐intensive, may compromise fibre integrity and generate environmentally burdensome effluents. Recent trends focus on green auxiliaries, surface pre-treatments and mechanistic models to optimise dye uptake at lower temperatures, improve colour uniformity and reduce waste. Pre-treatments such as ozone functionalisation enhance surface wettability, while renewable dispersants derived from natural oils serve as effective levelling agents. Concurrently, theoretical frameworks that account for polymer chain relaxation and free volume changes under water-plasticised conditions are being applied to predict dye diffusion kinetics. Collectively, these developments aim to broaden the application of advanced fibres in technical textiles, automotive components and smart textiles, with a strong emphasis on sustainability and scalable industrial implementation.
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Dyeing Processes in Advanced Polymer Fibers publication trend
The graph below shows the total number of articles in dyeing processes in advanced polymer fibers across all publications each year (not limited to Nature Index journals).
Technical terms
Disperse dye: A non-ionic, water-insoluble dye molecule designed to penetrate hydrophobic polymer matrices by diffusion.
Plasticisation: The process by which water or another agent increases polymer chain mobility and free volume, facilitating dye diffusion.
Leveling agent: A chemical additive that promotes uniform distribution of dye molecules across a fibre surface to prevent streaking and patchiness.
Reduction clearing: A post-dyeing treatment employing reducing agents to remove unfixed dye, enhancing colour fastness and fabric purity.
Fastness: A measure of a dyed fibre’s resistance to colour change or migration under wet-rubbing, washing or light exposure conditions.
References
- Turkey Red Oil as a Renewable Leveling and Dispersant Option for Polyester Dyeing with Dispersed Dyes. Textiles (2023).
- The plasticisation model of dye diffusion: Part 1 introduction. Coloration Technology (2024).
- Assessing the Washing Fastness and Environmental Impact of Various Reduction Clearing Processes on High-Performance Polyetherimide (PEI) Fabrics. Fibers and Polymers (2024).
- Surface Modification of Polyester Fabrics by Ozone and Its Effect on Coloration Using Disperse Dyes. Materials (2021).
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