Preparation of disperse dyestuffs having improved safety...

Details Preparation of disperse dyestuffs having improved safety... Preparation of disperse dyestuffs having improved safety...

D - Textiles, Paper

06

P

8/50

D06P 1/16 (2006.01) C09B 67/22 (2006.01) C09B 67/42 (2006.01) D06P 3/36 (2006.01)

Patent

CA 1062857

PREPARATIONS OF DISPERSE DYESTUFFS HAVING IMPROVED SAFETY PROPERTIES AND/OR A HIGHER DYESTUFF YIELD Abstract Solid or aqueous liquid preparations of dispersed dyestuffs of improved safety properties and/or of a higher dyestuff yield when applied to the pad-dyeing process of syn- thetic or semi-synthetic fibrous materials containing beside usual disperse dyestuffs, dispersing agents, wetting agents, grinding auxiliary agents, 0,5 to 30, preferably 1 to 10 per cent by weight of at least one phosphoric acid ester of the formula Image (1) or Image (2) in which R represents the integer 2 or 3, m represents an integer from 0 to 10, and R represents alkyl of 8 to 20 carbon atoms, or of mixtures of phosphoric acid esters of the said formulae (1) and (2).

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