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US 8,491,671 B2Granted
Mixture of dispersing agents
AssigneeHuntsman International LLC
InventorsByron Scott Bailey, Sr., Bruce Owen Griffin, Brenda W. Lyons, Martin Weber, Bruno Saretto, Heinrich Schlingmann, Georges Mahler
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Abstract
The present invention relates to a mixture of at least two different dispersing agents, an aqueous dispersion containing a UV absorber selected from benzotriazoles, benzotriazines and benzophenones and a mixture of at least two different dispersing agents and a method for reducing the differential pressure in the static dyeing process.
Claims10
A static dyeing process for dyeing textile material which comprises dyeing this material in the presence of an aqueous dispersion comprising
- (A) a compound of formula (1)
- wherein R1 is 1-phenylethyl, R2 and R3 are, independently from the other, hydrogen or 1-phenylethyl, R4 is hydrogen, Y represents ethylene and n is a number from 12 to 30
- and X denotes hydrogen, and
- (B) a condensation product of formaldehyde with sulfonated ditolyl ether or a condensation product of formaldehyde with sulfonated di-(2-naphthyl)methane,
- characterized in that the weight ratio of components (A):(B) is from 19:1 to 3:1.
2 more elements
Dependencies are inferred from the claim text.