FIELD: chemistry.
SUBSTANCE: invention relates to mixed acidic anthraquinone dyes for dyeing and printing organic substrates, preferably natural and synthetic polyamides. Described is an acidic colouring composition containing 25-50 wt % dye of formula I, 15-30 wt % dye of formula (II) and 40-60 wt % dye of formula (III).
EFFECT: high dye bath stability and prevention of dye precipitation.
8 cl, 1 tbl, 7 ex
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD OF TRICOLOR DYEING AND PRINTING ON SYNTHETIC POLYAMIDE FIBER, AND REACTIVE DYE | 2002 |
|
RU2291925C2 |
| REACTIVE DYES, PRODUCTION METHOD AND USE THEREOF | 2010 |
|
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|
RU2483089C2 |
| REACTIVE DYES, PRODUCTION METHOD AND APPLICATION THEREOF | 2005 |
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| FIBRE-REACTIVE DYES, PREPARATION AND USE THEREOF | 2012 |
|
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| PHTHALIMIDYLAZODYES AND THEIR USING | 2002 |
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|
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| COMPOSITION FOR MODIFIED POLYAMIDE SYNTHESIS | 1990 |
|
RU2068903C1 |
| METHOD OF DUEING OR,PRINTING NATURAL,SYNTHETIC POLYAMIDES OR NATURAL LEATHER | 0 |
|
SU1168098A3 |
