Dyeing process for improving turquoise blue leveling property of wool

The invention discloses a dyeing process for improving turquoise blue leveling property of wool. The dyeing process comprises the following steps: 1) yarn pre-treating; 2) yarn dyeing; 3) soaping; 4) alkali washing; 5) neutralizing; and 6) softening treatment. The invention belongs to the technical...

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Hauptverfasser: SONG RENHUA, JI ZHENGYING, WANG JINPENG
Format: Patent
Sprache:chi ; eng
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Zusammenfassung:The invention discloses a dyeing process for improving turquoise blue leveling property of wool. The dyeing process comprises the following steps: 1) yarn pre-treating; 2) yarn dyeing; 3) soaping; 4) alkali washing; 5) neutralizing; and 6) softening treatment. The invention belongs to the technical field of wool dyeing, and particularly relates to a dyeing process for improving turquoise blue leveling property of wool. REMAZOL/LEVAFIX cotton reactive dye with a small molecular weight is selected to replace LANASOL/NOVACRON wool reactive dye to dye wool fibers, the dye has better permeation and migration performance, anhydrous sodium sulphate is added in three times, the dosage of the anhydrous sodium sulphate is gradually increased, and meanwhile, a dyeing heating rate is controlled to control a coloring rate of turquoise blue, so that the leveling property of dyeing is improved, and the probability of defects such as dyeing defects, inner and outer layer difference and color difference is reduced; and throug