Yellowing preventing agent to prevent yellowing of fluorescent whitening agent and yellowing prevention technology using the same

摘要

SubjectThe present invention is intended to prevent yellowing of the fluorescent whitening agent itself, and to provide a yellowing prevention agent capable of maintaining the whiteness of the textile product at the time of sale, and a yellowing prevention technique for a textile product treated with a fluorescent whitening agent using the same.SolutionThe present invention provides yellowing agents selected from the group consisting of an organic acid or its salts, inorganic acids or salts thereof, sugars and mixtures thereof.The present invention also provides a yellowing prevention solution of a textile product treated with a fluorescent whitening agent containing a yellow reduction inhibitor in the amount of 10 g to 200 g / L in water.The present invention further provides a technique for treating a fiber product treated with a fluorescent whitening agent with a yellow curling preventive solution.No selection