abstract |
New dispersion dyes of general formula (where X is cyano, carbalkoxy or opt. N substd. carbonamide, Y is H, Cl, Br, trifluoromethyl or lower alkyl, Z is opt. substd. alkoxy or aroxy and R, R1 and R2 are H or lower alkyl). The dyes have good light fastness and are suitable for cellulose acetate polyamide and polyester fibres. |