Reduction of Sunlight Yellowing of Wool Fabric Treated with Fluorescent Brightening Agents
- 1 September 1969
- journal article
- research article
- Published by SAGE Publications in Textile Research Journal
- Vol. 39 (9) , 830-835
- https://doi.org/10.1177/004051756903900905
Abstract
A wide variety of sulfur-containing compounds has been applied to wool in a search for substances which would protect wool fabric treated with fluorescent brightening agents against the yellowing which occurs on exposure to sunlight and to a filtered xenon arc. The most generally effective are thiols and sulfides which contain a free carboxyl group, the best being thioglycolic acid, 2-mercaptopropionic acid, S-ethylthioglycolic acid, and N-acetyl cysteine. Compounds containing sulfur in higher states of oxidation are much less effective.Keywords
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