Transiently water-soluble non-heterocyclic azo and disazo disper

Details Transiently water-soluble non-heterocyclic azo and disazo disper Transiently water-soluble non-heterocyclic azo and disazo disper

1973-07-25

1976-10-19

Higel, Floyd D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260155, 260156, 260157, 260158, 260163, 260174, 260184, 260186, 260187, 260206, 260207, 2602071, 260371, 260377, 260378, 260465D, 260465L, 260507R, 2605705S, C09B 2908, C09B 2936, C09B 3104, D06P 352

Patent

active

039870260

ABSTRACT:
Transiently water-soluble dyestuffs of the formula ##EQU1## WHEREIN F is a radical of a non-heterocyclic azo disperse dyestuff containing no groups which dissociate in water, n is 1 or 2, X is an electrophilic group, R.sub.1 is an optionally substituted ethylene group, and R.sub.2 and R.sub.3 are alkyl radicals which are different from each other and which carry altogether at least one water-solubilizing group and optionally still further substituents which do not impart solubility in water and R.sub.3 can furthermore be a hydrogen atom. The dyestuffs can be dissolved in aqueous dyeing baths and dye polyester fibers in yellow, red and blue shades of good fastness.

REFERENCES:
patent: 3519642 (1970-07-01), Wedemeyer et al.

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