The roles of elevated temperature and carriers in the dyeing of polyester fibres using disperse dyes: Part 1 fundamental aspects

Abstract

This review concerns the application of disperse dyes to poly(ethylene terephthalate) fibres using aqueous immersion dyeing processes and the roles of both elevated dyeing temperatures and carriers in such dyeing systems. This part of the paper presents a review of the fundamental properties and characteristics of poly(ethylene terephthalate) fibres, disperse dyes and dyeing accelerants. In the next part of the paper, the various theories and concepts which have been proposed to explain the promotional effects imparted by elevated dyeing temperatures and carriers to disperse dye uptake on PET and other types of fibre, are reviewed and analysed, from the viewpoints of the essential physico‐chemical aspects of both the aqueous disperse dye/PET and disperse dye/carrier/PET systems. The final part of the paper will present a dual‐mode mechanistic model of the disperse dye adsorption process which can be used to account for the promotional effects imparted by both elevated dyeing temperatures and dyeing accelerants on disperse dye uptake.This article is protected by copyright. All rights reserved.

Chemically Modified Extract of Peanut Red Skin: Toward Functional Dyeing of Textile Fabrics and Study Adsorption Kinetics and Adsorption Isotherm of Dyeing Process

“…Polyester textiles (PETs) as synthetic fibers dominate the garment and textile industry . A disperse dye is used in the presence of a carrier to dye polyester at high pressures and temperatures. − Polyester fabric dyeing calls for large amounts of water and chemical additions (dispersing agents and surfactants), which improve the solubility of the dye in the water phase. Dyeing of polyester produces a significant volume of water that is tainted with dye, which is extremely harmful to the environment. , …”