Dyeing process for colored spun yarn spinning
A color spinning and process technology, which is applied in the dyeing process field of color spinning and textile, can solve the problems of high water consumption, energy consumption, time consumption, etc.
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Embodiment 1
[0061] Specific steps are as follows:
[0062] The first step is pretreatment before dyeing, at 35°C, add low-temperature treatment agent YX-103, the amount of treatment agent added accounts for 1% of the total amount of cotton fibers, heat up to 60°C at 2°C / min, and keep warm for 30 minutes ;
[0063] In the second step of dyeing, after the pretreatment at 60°C, the liquid is not drained, and the reactive dyes 3BSN, Huang 3RS, Yuanqing B, Yuanmingfen and soda ash are directly added, and the dyeing is carried out after heat preservation for 60 minutes; the amount of 3BSN added accounts for 0.6% of the fabric weight , The addition of 3RS accounts for 1.3% of the fabric weight, the addition of Yuanqing B 0.03% sodium sulfate is 30g / L, and the addition of soda ash is 10g / L, wherein the dosage of sodium sulfate and soda ash is added in three times respectively;
[0064] The third step is pickling and soaping. At 25°C, add acetic acid and soaping agent. The amount of acetic acid a...
Embodiment 2
[0068] Specific steps are as follows:
[0069] The first step is pretreatment before dyeing, at 35°C, add low-temperature treatment agent YX-103, the amount of treatment agent added accounts for 1% of the total amount of cotton fibers, heat up to 60°C at 2°C / min, and keep warm for 30 minutes ;
[0070] In the second step of dyeing, after the pretreatment at 60°C, the liquid is not drained, and the reactive dyes 3BSN, Huang 3RS, Yuanqing B, Yuanmingfen and soda ash are directly added, and the dyeing is carried out after heat preservation for 60 minutes; the amount of 3BSN added accounts for 1% of the fabric weight , The addition of 3RS accounts for 0.8% of the weight of the fabric, the addition of black CK-RW 8.33% sodium sulfate is 100g / L, and the dosage of soda ash is 20g / L, wherein the dosage of sodium sulfate and soda ash is added in three times;
[0071] The third step is pickling and soaping. At 25°C, add acetic acid and soaping agent. The amount of acetic acid added acc...
Embodiment 3
[0075] Specific steps are as follows:
[0076] The first step is pretreatment before dyeing, at 35°C, add low-temperature treatment agent YX-103, the amount of treatment agent added accounts for 1% of the total amount of cotton fibers, heat up to 60°C at 2°C / min, and keep warm for 30 minutes ;
[0077] In the second step of dyeing, after the pretreatment at 60°C, the liquid is not drained, and the reactive dyes 3BSN, Huang 3RS, Yuanqing B, Yuanmingfen and soda ash are directly added, and the dyeing is carried out after heat preservation for 60 minutes; the amount of 3BSN added accounts for 0.6% of the fabric weight , the addition of 3RS accounts for 1.5% of the fabric weight, the addition of Yuanqing B 0.05% sodium sulfate is 30g / L, and the addition of soda ash is 10g / L, wherein the dosage of sodium sulfate and soda ash is divided into three additions respectively;
[0078] The third step is pickling and soaping. At 25°C, add acetic acid and soaping agent. The amount of aceti...
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