Composition for the reoxidation of dyeings using vat dyes, sulphur vat dyes or sulphur dyes

摘要

The composition according to the invention for the reoxidation of dyeings using vat dyes, sulphur vat dyes or sulphur dyes consists of an aqueous solution of hypochlorite-reacted melamine and/or urea and/or dicyandiamide, and of a hypochlorite-reacted unetherified or etherified methylolation product of melamine and/or urea and/or dicyandiamide.