| 摘要 |
An improvement in the process for dyeing synthetic fibers containing anionic groups, e.g., acrylonitrile copolymers, with basic dyestuffs in chlorohydrocarbon dyebaths containing 0.1-4 percent by weight of water is obtained by utilizing a dyeing auxiliary having the formula WHEREIN R1 and R2, independently of one another are C14-C22-alkyl or C14-C22-alkenyl in which the total of the carbon atoms contained in R1 and R2 is 32-44; R3 is lower alkyl, haloalkyl or hydroxyalkyl; R4 is optionally substituted cycloalkyl, aralkyl or C1-C4-alkyl, or together with R3 forms a 5- or 6-membered heterocycle; and X(<->) IS AN ANION.
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