FIELD: textile and light industries as synthetic dye for wool and polyamide fiber. SUBSTANCE: present invention describes azo dyes, more particularly heterocyclic N- oxide azo compounds which have wide color range and are resistant to physical and chemical effects, chemical structure of azo dye promotes proton formation and hydration of molecule of compound and high adhesion of dye to amphoteric fiber. 1-(4'-pyridyl-N-oxid) azo-4- naphtol is synthetic dye for wool and polyamide fiber. EFFECT: improved properties. 1 dwg, 2 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| WOOL DYEING METHOD | 0 |
|
SU1770497A1 |
| 0 |
|
SU556734A3 | |
| METHOD OF DYEING POLYAMIDE MATERIALS WITH METALLOCOMPLEX AZO-OR AZOMETHYNE | 0 |
|
SU893138A3 |
| DISODIUM SALTS OF 4-SULFOXYETHYLSULFONYL-2-X-2'-Y-4'-AMINO-N- METHYLSULFO-N-2''-(4''-CHLORO-6''-AMINO-DI-(BETA-HYDROXYETHYL)- 1'',3'',5''-TRIAZINYL)-AZOBENZENE FOR STAINING AND PRINTING MATERIAL OF NATURAL AND/OR SYNTHETICAL FIBERS | 1993 |
|
RU2064949C1 |
| PULVERULENT MONO AZO DYES FOR DYEING SYNTHETIC FIBRES AND METHOD OF OBTAINING SAME | 0 |
|
SU618392A1 |
| 0 |
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SU448654A3 | |
| 4-SULPHOXYETHYLSULPHONYL-2-X-4'-AMINO-N-METHYL-SULPHO-2'-Y-AZOBENZENE DISODIUM SALTS FOR DYEING VARIOUS MATERIALS AND NATURAL LEATHER, AND FOR PRINTING ON COTTON AND SYNTHETIC CLOTHS | 1993 |
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| COMPOSITION FOR DYEING FABRICS CONTAINING CELLULOSE FIBER | 1996 |
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| METHOD OF PRODUCING ACID-BASIC INDICATOR FOR CREATING FLEXIBLE PH-SENSITIVE SYSTEMS | 2015 |
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SU1770335A1 |
