Non-aqueous textile dyeing

Aravin Prince Periyasamy; Md Reazuddin Repon; Ali R. Tehrani-Bagha

doi:10.1016/j.cocis.2026.102045

Non-aqueous textile dyeing

Aravin Prince Periyasamy
, Md Reazuddin Repon
, Ali R. Tehrani-Bagha^*

^*Corresponding author for this work

BA5410 Textile and nonwoven materials

Aalto University

Research output: Contribution to journal › Review Article › peer-review

Abstract

Non-aqueous textile dyeing technologies have attracted growing interest as sustainable alternatives to conventional water-based dyeing, driven by increasing freshwater scarcity, environmental pollution, and the need to transition toward circular manufacturing models. Non-aqueous dyeing offers significant potential to reduce water consumption, minimize effluent generation, and lower overall energy demand. This review critically examines the motivations, advantages, and limitations of major non-aqueous dyeing approaches, spanning commercially established technologies such as dope/spin dyeing and supercritical CO₂ dyeing, as well as emerging solvent-based systems. Fundamental colloidal and interfacial phenomena governing dye solubilization/dispersion, adsorption, diffusion, and fixation are discussed as key determinants of dyeing performance in non-aqueous media. By integrating textile chemistry with colloid and interface science, this review highlights how solvent selection, interfacial control, and closed-loop recovery improve efficiency, sustainability, and industrial feasibility, while outlining key challenges and future directions for wider adoption of non-aqueous dyeing.

Original language	English
Article number	102045
Journal	Current Opinion in Colloid and Interface Science
Volume	85
DOIs	https://doi.org/10.1016/j.cocis.2026.102045
Publication status	Published - 2026
MoE publication type	A2 Review article in a scientific journal

Funding

MRR and ARTB acknowledge the financial support provided by the BioSusTex project (Grant No. 101135372, funded by the European Union) and TexirC project (Grant No. 211968, funded by the Business Finland).

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title = "Non-aqueous textile dyeing",

abstract = "Non-aqueous textile dyeing technologies have attracted growing interest as sustainable alternatives to conventional water-based dyeing, driven by increasing freshwater scarcity, environmental pollution, and the need to transition toward circular manufacturing models. Non-aqueous dyeing offers significant potential to reduce water consumption, minimize effluent generation, and lower overall energy demand. This review critically examines the motivations, advantages, and limitations of major non-aqueous dyeing approaches, spanning commercially established technologies such as dope/spin dyeing and supercritical CO2 dyeing, as well as emerging solvent-based systems. Fundamental colloidal and interfacial phenomena governing dye solubilization/dispersion, adsorption, diffusion, and fixation are discussed as key determinants of dyeing performance in non-aqueous media. By integrating textile chemistry with colloid and interface science, this review highlights how solvent selection, interfacial control, and closed-loop recovery improve efficiency, sustainability, and industrial feasibility, while outlining key challenges and future directions for wider adoption of non-aqueous dyeing.",

author = "Periyasamy, \{Aravin Prince\} and Repon, \{Md Reazuddin\} and Tehrani-Bagha, \{Ali R.\}",

year = "2026",

doi = "10.1016/j.cocis.2026.102045",

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volume = "85",

journal = "Current Opinion in Colloid and Interface Science",

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AU - Periyasamy, Aravin Prince

AU - Repon, Md Reazuddin

AU - Tehrani-Bagha, Ali R.

PY - 2026

Y1 - 2026

N2 - Non-aqueous textile dyeing technologies have attracted growing interest as sustainable alternatives to conventional water-based dyeing, driven by increasing freshwater scarcity, environmental pollution, and the need to transition toward circular manufacturing models. Non-aqueous dyeing offers significant potential to reduce water consumption, minimize effluent generation, and lower overall energy demand. This review critically examines the motivations, advantages, and limitations of major non-aqueous dyeing approaches, spanning commercially established technologies such as dope/spin dyeing and supercritical CO2 dyeing, as well as emerging solvent-based systems. Fundamental colloidal and interfacial phenomena governing dye solubilization/dispersion, adsorption, diffusion, and fixation are discussed as key determinants of dyeing performance in non-aqueous media. By integrating textile chemistry with colloid and interface science, this review highlights how solvent selection, interfacial control, and closed-loop recovery improve efficiency, sustainability, and industrial feasibility, while outlining key challenges and future directions for wider adoption of non-aqueous dyeing.

AB - Non-aqueous textile dyeing technologies have attracted growing interest as sustainable alternatives to conventional water-based dyeing, driven by increasing freshwater scarcity, environmental pollution, and the need to transition toward circular manufacturing models. Non-aqueous dyeing offers significant potential to reduce water consumption, minimize effluent generation, and lower overall energy demand. This review critically examines the motivations, advantages, and limitations of major non-aqueous dyeing approaches, spanning commercially established technologies such as dope/spin dyeing and supercritical CO2 dyeing, as well as emerging solvent-based systems. Fundamental colloidal and interfacial phenomena governing dye solubilization/dispersion, adsorption, diffusion, and fixation are discussed as key determinants of dyeing performance in non-aqueous media. By integrating textile chemistry with colloid and interface science, this review highlights how solvent selection, interfacial control, and closed-loop recovery improve efficiency, sustainability, and industrial feasibility, while outlining key challenges and future directions for wider adoption of non-aqueous dyeing.

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DO - 10.1016/j.cocis.2026.102045

M3 - Review Article

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VL - 85

JO - Current Opinion in Colloid and Interface Science

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Non-aqueous textile dyeing

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