Cold water-soluble acid dye composition derived from the standardization of mono- and disazo acid dyes with an ammonium lignin sulfonate

Cold water-soluble acid dye composition derived from the standardization of mono- and disazo acid dyes with an ammonium lignin sulfonate

Cold water-soluble dye compositions consisting essentially of from 20-70% by weight of a sparingly soluble sulfonated, mono- or disazo acid dye, substantially in the form of its alkali metal salt, and from 80-30% by weight of an ammonium lignin sulfonate. The ammonium lignin sulfonate is used as a s...

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Bibliographische Detailangaben
Hauptverfasser: ZINNATO, ARMAND P, VER NOOY, III, CHARLES D
Format: Patent
Sprache:eng
Schlagworte:
ADHESIVES
CHEMISTRY
DYES
LAKES
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
MORDANTS
NATURAL RESINS
ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES
PAINTS
POLISHES
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Beschreibung
Zusammenfassung:Cold water-soluble dye compositions consisting essentially of from 20-70% by weight of a sparingly soluble sulfonated, mono- or disazo acid dye, substantially in the form of its alkali metal salt, and from 80-30% by weight of an ammonium lignin sulfonate. The ammonium lignin sulfonate is used as a standardizing agent to adjust the strength of the concentrated acid dye to a level suitable for use in commercial dyeing and printing operations and to provide cold water solubility adequate for dyeing at ambient temperatures.