Abstract
The mechanism of improvement in exhaustion and fixation of acid dyes in the recently reported low-temperature dyeing of silk fabrics with acid dyes in the presence of a hydrogen peroxide/glucose redox system was studied. The increases in dyeing rate and adsorption of acid dyes on silk fibers in the presence of the redox system could be attributed to the decrease in pH due to the decomposition of glucose with hydrogen peroxide but not to the covalent fixation of dyes on silk assisted by the free radicals.
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