DISPERSIONS AQUEUSES DE COLORANTS AU SOUFRE OXYDES

Improved sulfur dye dispersions are obtained by subjecting an aqueous suspension of oxidized sulfur dye particles to membrane separation. The oxidized sulfur dye is obtained by controlled aeration whereby the content of sulfides, polysulfur and inorganic salts is significantly decreased.

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Bibliographic Details
Main Author LASZLO A. MESZAROS
Format Patent
LanguageFrench
Published 28.05.1993
Edition5
Subjects
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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Summary:Improved sulfur dye dispersions are obtained by subjecting an aqueous suspension of oxidized sulfur dye particles to membrane separation. The oxidized sulfur dye is obtained by controlled aeration whereby the content of sulfides, polysulfur and inorganic salts is significantly decreased.
Bibliography:Application Number: FR19900002232