| 摘要 |
<p>The invention relates to a tinctorial brightener composition containing, in an appropriate dyeing medium, an oxidizing agent, an alkaline agent provided in a quantity so that the pH of the composition is greater than 7, and a cationic mixed colorant containing a number of chromophores that are bound to one another by a binding arm, whereby at least two of the chromophores are different, and the chromophores exhibit an absorbency ranging from 400 to 800 nm. The invention makes it possible to obtain particularly resistant colorations.</p> |
