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Colour fastness of optionally aftertreated acid levelling and milling dyes on nylon 6.6 during washing in an activated oxygen‐bleach containing detergent. Part 1: Fading observed in the UK‐TO test and after repeated domestic laundering †
Author(s) -
Phillips Duncan,
Taylor John,
Lakhanpal Rajesh,
Scotney John,
Bevan Geoff
Publication year - 2001
Publication title -
coloration technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.297
H-Index - 49
eISSN - 1478-4408
pISSN - 1472-3581
DOI - 10.1111/j.1478-4408.2001.tb00053.x
Subject(s) - bleach , fading , chemistry , levelling , cellulose , desorption , pulp and paper industry , nuclear chemistry , organic chemistry , adsorption , mathematics , decoding methods , statistics , cartography , engineering , geography
Previous studies examining the fading exhibited by different classes of cellulosic dyes on cotton, during washing in an oxidative‐bleach containing detergent, have been extended to acid levelling and the higher wet fast acid half‐milling dyes and acid milling dyes on nylon 6.6. It has been shown that acid levelling dyes exhibit a much higher level of fading, both in the single cycle, stressed UK‐TO test and after repeated domestic laundering, than acid milling dyes. The observed fading in each case was due to wash‐down/desorption of dye rather than an oxidative‐bleaching effect.