Disperse dyeing of polyester fibers: Kinetic and equilibrium study

The effect of temperature on the dyeing rate constant k, diffusion coefficient D, time of half‐dyeing t1/2 was evaluated for the dyeing of polyester fibers with two disperse dyes, an azo and an anthraquinone dye. Activation energies of diffusion E were calculated. The polyester dyeing equilibrium wa...

Full description

Saved in:
Bibliographic Details
Published in:Journal of applied polymer science 2002-03, Vol.83 (13), p.2785-2790
Main Authors: Georgiadou, K. L., Tsatsaroni, E. G., Eleftheriadis, I. C., Kehayoglou, A. H.
Format: Article
Language:English
Subjects:
Applied sciences
disperse dyes
Exact sciences and technology
Fibers and threads
Forms of application and semi-finished materials
kinetic and equilibrium parameters
polyester fibers
Polymer industry, paints, wood
Technology of polymers
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:The effect of temperature on the dyeing rate constant k, diffusion coefficient D, time of half‐dyeing t1/2 was evaluated for the dyeing of polyester fibers with two disperse dyes, an azo and an anthraquinone dye. Activation energies of diffusion E were calculated. The polyester dyeing equilibrium was also studied and the partition coefficient K and standard affinity Δμ° at various temperatures were determined for the anthraquinone dye. Standard enthalpy ΔH° and standard entropy ΔS° of dyeing were also obtained. The same equilibrium parameters were not obtained for the azo dye because of its dyeing behavior. A similar kinetic and equilibrium study was made for the pure azo and anthraquinone compounds free from the dispersing agents present in the commercial dyes and the results are discussed. © 2002 Wiley Periodicals, Inc. J Appl Polym Sci 83: 2785–2790, 2002; DOI 10.1002/app.10254
ISSN:0021-8995
1097-4628
DOI:10.1002/app.10254