| abstract |
A dyeing method which produces intensive and permanent dyeings in a short time comprises applying a colorant containing para-toluenediamine or a physiologically acceptable salt thereof and 2- (2,5-diaminophenyl) ethanol or a physiologically acceptable salt thereof and / or 2 , 4,5,6-tetraaminopyrimidine or a physiologically acceptable salt thereof and / or one or more diaminopyrazole derivative (s) of the formula (I) in the R 1 , R 2 and R 4 are independently selected from -H, -CH 3 , -CH 2 CH 3 , -CH 2 CH 2 CH 3 , --CH (CH 3 ) 2 , -CH 2 CH 2 CH 2 CH 3 , -CH (CH 3 ) CH 2 CH 3 , -CH 2 CH (CH 3 ) 2 , -C (CH 3 ) 3 , -phenyl or -benzyl, R 3 is -H, -CH 3 , -CH 2 CH 3 , -CH 2 CH 2 CH 3 , -CH (CH 3 ) 2 , -CH 2 CH 2 CH 2 CH 3 , -CH (CH 3 ) CH 2 CH 3 , -CH 2 CH (CH 3 ) 2 , -C (CH 3 ) 3 , -CH (OH) CH 3 , -CH 2 CH 2 -OH, -CH 2 CH 2 CH 2 OH, -CH 2 CH (OH) CH 3, - CH (OH) CH 2 CH 3, stands; or a physiologically acceptable salt; and rinsing after an exposure time of 10 to 300 seconds. |