| 摘要 |
1,243,868. Dyeing polyamides with reactive dyes. J. R. GEIGY A.G. 18 Sept., 1969 [19 Sept., 1968], No. 46122/69. Heading D1B. [Also in Division C2] Natural and synthetic polyamides are dyed or printed with aqueous liquors containing at least one anionic reactive dyestuff, a compound of formula I in which R is an aliphatic hydrocarbon radical having 11-23 carbon atoms, R 1 is hydrogen or optionally substituted C 1-4 alkyl group or optionally substituted phenyl group, Y together with the group of formula II forms the radical of a partially saturated diazole or diazine ring, and X is the anion of an inorganic or organic acid and optionally a non-inogenic and/or anion active tenside as well as further auxiliary agents. Preferred compounds are those in which R is a heptadecyl or heptadec-8-enyl radical the compounds preferably being imidazoline or tetrahydropyrimidine derivatives. Alkylpolyglycol ethers of 10-18 carbon atoms in the alkyl chain at 5-20 ethyleneoxy groups may be used as non- ionic tenside and hexamethylenetetramine is used as auxiliary. Wool, silk, hair and synthetic polyamides may be dyed.
|
