Reduction of Sunlight Yellowing of Wool Fabric Treated with Fluorescent Brightening Agents

Author:

Tucker J. E.1

Affiliation:

1. International Wool Secretariat Technical Centre, Valley Drive, Ilkley, Yorkshire, England

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.

Publisher

SAGE Publications

Subject

Polymers and Plastics,Chemical Engineering (miscellaneous)

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