| 摘要 |
FIELD: chemistry. ^ SUBSTANCE: described are new dispersed azo dyes, which contain cyanmethyl ester groups of formula (I) , in which D, R1-R7, s, n assume values given in paragraph 1 of the formula of invention. ^ EFFECT: proposed dyes have high colour intensity, resistance to water, are less sensitive to changes in pH of the environment compared to known dyes of this group. ^ 8 cl, 11 tbl, 235 ex |
