Mixture of assistants and its use in the dyeing of polyester...

Details Mixture of assistants and its use in the dyeing of polyester... Mixture of assistants and its use in the dyeing of polyester...

D - Textiles, Paper

06

P

8/50, 8/31.09

D06P 1/16 (2006.01) C09B 67/10 (2006.01) D06P 1/613 (2006.01) D06P 1/649 (2006.01) D06P 3/54 (2006.01)

Patent

CA 2010406

1-17459/= Mixture of assistants and its use in the dyeing of polyester fibre materials Abstract Mixture of dyeing assistants containing (A) one dicarboxyimidoester of the formula (1) Image in which W is a radical of a dicarboxylic acid containing at least 2 carbon atoms, R is an aliphatic, araliphatic or cycloaliphatic radical having not more than 24 carbon atoms and n is 2 to 5, (B) one acid ester or salts thereof of an alkylene oxide adduct of the formula (2) Image in which Y is hydrogen or methyl, X is the acid radical of an inorganic acid containing oxygen, or is the radical of an organic acid and Y is an a-methylaralkyl radical, "alkylene" is the ethylene radical or the propylene radical and m is 1 to 3, m1 is 1 or 2 and n1 is 4 to 50, and (C) a nonionic surfactant. The mixture of assistants is particularly suitable for a so-called rapid dyeing process for textile material containing polyester fibres and thus effects a rapid increase in the migration rate of the disperse dyes.

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