D - Textiles – Paper – 06 – P
Patent
D - Textiles, Paper
06
P
8/11
D06P 1/02 (2006.01) C09B 29/08 (2006.01) C09B 67/22 (2006.01) D06P 3/54 (2006.01)
Patent
CA 1058355
ABSTRACT OF THE DISCLOSURE Process for the colouration of aromatic polyester textile materials which comprises ?applying to the said textile material by a dyeing, padding or printing process an aqueous dispersion of a dyestuff mixture consisting of:- (a) from 2% to 60% by weight (based on the total weight of dyestuffs in the mixture) of a water insoluble monoazo dyestuff, free from sulphonic and carboxylic acid group which is of the formula:- Image Formula I wherein Y is hydrogen, lower alkyl, optionally substituted phenyl or nitro; Z is nitro, cyano, optionally substituted phenyl, optionally substituted lower alkoxycarbonyl or carbonamido; T is hydrogen, optionally substituted lower alkyl or optionally substituted lower alkoxy; W is an acylamino group of the formula:- Image wherein X1 is hydrogen or lower alkyl, X2 is hydrogen or an optionally substituted hydrocarbon or heterocyclic radical, and A is a direct link or -O- or Image and R1 and R2 each independently represent a hydrogen atom or an optionally substituted alkyl radical or R1 and R2 together form with the nitrogen atom N a 5- or 6-membered nitrogen-containing heterocyclic ring; (b) from 40% to 95% by weight (based on the total weight of dyestuffs in the mixture) of (i) at least one disperse anthraquinone dyestuff of the formula:- Image Formula II which can contain up to 30% of its own weight of a disperse anthraquinone dyestuff of the formula:- Image Formula III wherein L and L1 each independently represent a phenyl radical which can be substituted by one or more chlorine or bromine atoms or by hydroxy, amino, lower alkyl, lower alkoxy, hydroxyloweralkoxy, N-lower alkylamino, acylamino, N:N-di (lower alkyl)amino, carbo lower alkoxy, lower alkoxycarbonyl or lower alkylcarbonyloxy groups; and (c) from 0 to 50% by weight (based on the total weight of dyestuffs present in the mixture) of at least one yellow to red disperse dyestuff, whereby blue to black shades are obtained possessing excellent fastness to light and to wet treatments.
232637
Greenhalgh Colin W.
Kenyon Ronald W.
Logan Andrew J.
LandOfFree
Disperse dyestuffs mixtures does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Disperse dyestuffs mixtures, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Disperse dyestuffs mixtures will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-942042