Bleaching and dyeing; fluid treatment and chemical modification – Reactive dye composition – process – or product
Patent
1997-10-08
1999-11-16
Einsmann, Margaret
Bleaching and dyeing; fluid treatment and chemical modification
Reactive dye composition, process, or product
8549, 8594, 8918, D06P 366
Patent
active
059849797
ABSTRACT:
An immersion method of dyeing textile material includes the steps of (a) providing a textile material comprising at least one of cotton and regenerated cellulosic fibers; (b) providing an aqueous dyebath in a weight ratio of dyebath:textile material of 10:1 to 20:1, the dyebath comprising a reactive dye and a carboxylate salt for salting out the dye onto the textile material, the carboxylate salt having a carboxylate anionic component and a monovalent cationic component, wherein the carboxylate salt is present in an amount effective for salting out the dye onto the textile material; (c) immersing the textile material in the aqueous dyebath under conditions sufficient to salt the dye onto the textile material; (d) adding to the dyebath an alkaline material to promote a reaction to form a chemical bond between the dye and the textile material; and (e) subjecting the dyebath containing the textile material and the alkaline material to conditions sufficient to form a chemical bond between the dye and the textile material.
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Bella Otto
Login Robert B.
Wicker, Jr. Calvin M.
Einsmann Margaret
Sybron Chemicals Inc.
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