Fibre reactive dyes, their preparation and their use
AssigneeHuntsman Textile Effects (Switzerland) GmbH
InventorsHubert Jean Luc Christnacher, Fanny Ehret, Michael Nicollet, Jean-Christophe Graciet, Georg Roentgen
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Abstract
A reactive dye of formula wherein M is hydrogen, an alkali metal or one equivalent of an alkaline earth metal, Z1 is vinyl, β-sulfatoethyl or the radical —NHCO—(CH2)3—SO2—CH2CH2Cl; R1 denotes H or sulfo; and R2 is H, methyl, methoxy or sulfo, n is the number 3; Y is vinyl or a radical —CH2—CH2-U and U is —Cl or —OSO3H, is suitable for dyeing and printing cellulosic or amide-group-containing fibre materials.
Claims16
A reactive dye of formula
- wherein
- M is hydrogen, an alkali metal or one equivalent of an alkaline earth metal,
- Z1 is vinyl, β-sulfatoethyl, β-sulfatoethylsulfonyl or the radical —NHCO—(CH2)3—SO2—CH2CH2Cl,
- R1 denotes H or sulfo, and
- R2 is H, methyl, methoxy or sulfo,
- n is the number 3,
- Y is vinyl or a radical —CH2—CH2-U and U is —Cl or —OSO3H.
An aqueous ink comprising at least one dye of formula (1).
A reactive dye of formula
A reactive dye of formula
Dependencies are inferred from the claim text.