Spin dyeing process with dyeing salts
AssigneeDyStar Textilfarben GmbH & Co.
InventorsAndreas Von Der Eltz, Andreas Schrell
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Abstract
Process for preparing colored regenerated-cellulose fiber, which comprises adding a formulation comprising a cationized polysaccharide and an anionic dye to a viscose dope, an alkali cellulose or a cellulose solution and spinning fiber by a viscose spinning process or from the cellulose solution.
Claims12
A process for preparing colored regenerated-cellulose fiber, which comprises adding a drysalt formulation comprising a cationized polysaccharide and an anionic dye to a viscose dope, an alkali cellulose or a cellulose solution and spinning fiber by a viscose spinning process or from the cellulose solution.
Dependencies are inferred from the claim text.