Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
10556914 | Microchemical Journal | 2011 | 9 Pages |
Abstract
Fibre colour hue was found to be dependent on the mordant ion nature, mordant bath concentration and dyeing procedure. Mordant ion quantification showed that the uptake of metal ion by the fibres is relatively small, with the Cu ion presenting the highest affinity for the fibre. MD method yields fibres with higher amounts of metal ions and larger chromophore chromatographic peak areas corresponding, in general, to stronger colour hues. Photodegradation was more severe in alum mordant samples and in the first 480Â h of light exposure. Chromophore degradation rates are unequal and dependent on the mordant nature, contributing for colour changes observed after light exposure.
Related Topics
Physical Sciences and Engineering
Chemistry
Analytical Chemistry
Authors
Ana Manhita, Vanda Ferreira, Helena Vargas, Isabel Ribeiro, António Candeias, Dora Teixeira, Teresa Ferreira, Cristina Barrocas Dias,