| 摘要 |
FIELD: textile industry. SUBSTANCE: materials are fabricated by treating original material with dyeing liquor containing leucoindigo, alkali, and reducing agent followed by oxidative fixing of chosen dye on textile material, washing, and drying. Novelty consists in utilizing leucoindigo prepared by catalytic hydrogenation of indigo and adding it to dyeing liquor in the form of water-alkali solution. EFFECT: satisfied engineering requirements. 7 cl, 1 tbl, 2 ex |
