CN109763359B - Dyeing method of bio-based nylon 56 yarn - Google Patents
Dyeing method of bio-based nylon 56 yarn Download PDFInfo
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- CN109763359B CN109763359B CN201910002919.7A CN201910002919A CN109763359B CN 109763359 B CN109763359 B CN 109763359B CN 201910002919 A CN201910002919 A CN 201910002919A CN 109763359 B CN109763359 B CN 109763359B
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Abstract
The invention provides a dyeing method of bio-based nylon 56 yarns, wherein the yarns adopt cone yarns or warp beams and comprise the following steps: 1) pretreatment: soaking yarn in water for 5-10min when using cheese, soaking yarn in water for 10-15min when using warp beam, circulating water for 10min by starting a pump, adding 1-2g/L of TFN101 prodigiosin, heating to 80-90 deg.C, maintaining for 20-40min, and draining; 2) dyeing: when the yarn adopts cheese, the pressure difference is 0.4-1.2 Pa, the bath ratio is 1: 7-1: 40, the yarn adopts warp beam pressure difference of 1.0-2.4 Pa, the bath ratio is 1: 6.5-1: 40, the temperature is raised to 35-40 ℃, acetic acid is added in 0.5-3g/L and kept for 10-15min, then a leveling agent 1-3g/L and dye are sequentially added and kept for 10-30min, the pH value is 2.9-7.4 stable, the temperature is raised to 50 ℃ at the temperature raising speed of 1-2 ℃/min and kept for 10min, the temperature is raised to 60 ℃ at the temperature raising speed of 1-2 ℃/min and kept for 10min, the temperature is raised to 85-95 ℃ at the temperature raising speed of 1-2 ℃/min and kept for 40-50min, and water is drained; 3) and (3) post-treatment: the cone yarn and warp beam dyed by the method have uniform color and low cost.
Description
Technical Field
The invention provides a dyeing method suitable for bio-based nylon 56 yarns, and belongs to the technical field of textile printing and dyeing.
Background
The bio-based nylon 56 fiber is a new material polymerized by bio-based pentanediamine and petroleum-based adipic acid, the bio-based content is 45%, and the problems of cone yarn color flower, large difference between internal color and external color, poor fastness and the like in the conventional cheese dyeing are solved.
Disclosure of Invention
The invention aims to overcome the defects of the traditional nylon dyeing mode and provides the method for dyeing the bio-based nylon 56 yarn, which has the advantages of simple process, high yield and low consumption, and can greatly improve the production efficiency and greatly reduce the labor intensity.
The technical scheme is as follows:
a dyeing method of bio-based nylon 56 yarns adopts cone yarns or warp beams, and the parameters of the cone yarns are that the density before setting is 200-3The density after setting is 320-400g/dm3The weight of each of the components is 0.8-1.3kg, and the method is characterized by comprising the following steps:
1) pretreatment: soaking yarn in water for 5-10min when using cheese, soaking yarn in water for 10-15min when using warp beam, circulating water for 10min, adding 1-2g/L TFN101 deoiling agent, heating to 80-90 deg.C, maintaining for 20-40min, and draining;
2) dyeing: the specific flow rate is 22-47g/L per minute during dyeing, the pressure difference of yarn adopting cone yarn is 0.4-1.2 Pa, the bath ratio is 1: 7-1: 40, the pressure difference of yarn adopting beam is 1.0-2.4 Pa, the bath ratio is 1: 6.5-1: 40, after the yarn is heated to 35-40 ℃, acetic acid is added in 0.5-3g/L and kept for 10-15min, then leveling agent 1-3g/L and dye are sequentially added and kept for 10-30min, the pH value is 2.9-7.4 stable, the temperature is raised to 50 ℃ at the temperature raising speed of 1-2 ℃/min and kept for 10min, the temperature is raised to 60 ℃ at the temperature raising speed of 1-2 ℃/min and kept for 10min, the temperature is raised to 85 ℃ at the temperature raising speed of 1-2 ℃/min and kept for 40-50min, and water is drained;
3) and (3) post-treatment: adding antistatic agent PH 2-3g/L softening agent 2.5-3.5%, heating to 55-60 deg.C, maintaining for 10-20min, and draining.
According to the dyeing method of the bio-based nylon 56 cone yarn, a leveling agent adopts Zhejiang Rihua TS400Z with the concentration of 1-3g/L, and a dye adopts a special active dye for nylon with the concentration of 0.001-15%.
Compared with the prior art, the invention has the advantages that:
1) because the warp beam dyeing is adopted, the procedures of softening, drying, tight rewinding and cone yarn warping are omitted, and the production flow is shortened;
2) the dyeing raw materials and the process parameters are optimized, so that the dyed yarn has stable tension and the cloth surface woven by the yarn has less elastic warps;
3) the dyed cone yarn and the warp beam have uniform colors inside and outside, and up and down.
Detailed Description
The present invention will be further described with reference to the following examples.
The first embodiment is as follows: nylon 56 cone yarn 24KG, dyed Pantone 19-1757TCX red.
The cone yarn parameter is the density before setting of 200g/dm3Density after setting of 330g/dm3And the weight of each bag is 0.9 kg/bag.
1) Pretreatment: soaking the cheese in water for 5min, pumping to circulate water for 10min, adding 1g/L TFN101 prodigiosin, heating to 80 deg.C, maintaining for 30min, and draining;
2) dyeing: during dyeing, the specific flow rate is 37g/L per minute, the pressure difference is 0.4 Pa, the bath ratio is 1:18, acetic acid is added into the solution after the solution is heated to 35 ℃ and is kept for 10min, then a TS400Z leveling agent of Rihua Zhejiang province is added into the solution at 1g/L, NLB3R dye produced by Henshimi is added at 0.027%, NLR2B 3.0.0% and NLYR 1.4% in sequence, the solution is kept for 10min, the pH value is stable at 5.0, the solution is heated to 50 ℃ at the heating rate of 1 ℃/min and is kept for 10min, the solution is heated to 60 ℃ at the heating rate of 2 ℃/min and is kept for 10min, the solution is heated to 85 ℃ at the heating rate of 2 ℃/min and is kept for 40min, and water is drained;
3) and (3) post-treatment: adding antistatic agent PH 2g/L and softening agent 2.5%, heating to 55 deg.C, maintaining for 20min, and draining.
Example two: nylon 56 cone 102KG dyed Pantone 18-3935TCX blue.
The cone yarn parameter is the density before setting of 280g/dm3Density after setting of 350g/dm3And the weight of each bag is 1.2 kg/bag.
1) Pretreatment: soaking the cheese in water for 10min, pumping to circulate water for 10min, adding 1.5g/L TFN101 deoiling agent, heating to 85 deg.C, maintaining for 35min, and draining;
2) dyeing: during dyeing, the specific flow rate is 35g/L per minute, the pressure difference is 0.8 Pa, the bath ratio is 1:10, acetic acid is added for 1g/L and kept for 15min after the temperature is raised to 40 ℃, then a TS400Z leveling agent produced in Niwawa of Zhejiang province is added for 2g/L, NLB3R dye produced by Henshimi company is added for 0.34%, NLR2B 0.047% and NLYR 0.01% in sequence, the dyeing is kept for 10min, the pH value is stable at 4.2, the temperature is raised to 50 ℃ at the temperature raising speed of 1 ℃/min and kept for 10min, the temperature is raised to 60 ℃ at the temperature raising speed of 1.5 ℃/min and kept for 10min, the temperature is raised to 90 ℃ at the temperature raising speed of 2 ℃/min and kept for 40min, and water is drained;
3) and (3) post-treatment: adding antistatic agent PH 2.5g/L and softening agent 2.8%, heating to 60 deg.C, maintaining for 15min, and draining.
Example three: beam 18 kg/root 5, stained Pantone 17-4139TCX blue.
1) Pretreatment: soaking the beam in water for 15min, pumping to circulate water for 10min, adding TFN101 deoiling agent 2g/L, heating to 90 deg.C, maintaining for 40min, and draining;
2) dyeing: during dyeing, the specific flow rate is 32g/L per minute, the pressure difference is 1.2 Pa, the bath ratio is 1:20, the temperature is raised to 35 ℃, then acetic acid is added into 3g/L and kept for 15min, then Zhejiang Rihua TS400Z leveling agent is added into 3g/L, NLB3G dye produced by Henshimi company is added into 0.21%, NLB3R 0.2% and NLYR 0.0037%, the dyeing is kept for 20min, the pH value is stabilized at 3.5, the temperature is raised to 50 ℃ at the temperature raising speed of 1 ℃/min and kept for 10min, the temperature is raised to 60 ℃ at the temperature raising speed of 2 ℃/min and kept for 10min, the temperature is raised to 90 ℃ at the temperature raising speed of 2 ℃/min and kept for 50min, and water is drained;
3) and (3) post-treatment: adding antistatic agent PH 3g/L, heating to 55 deg.C, maintaining for 15min, and draining.
Tests prove that the invention has the following technical effects that the difference between the internal and external chromatic aberration, the difference between the upper, middle and lower chromatic aberration and various fastness indexes of the yarn meet the dyeing requirements.
| Examples | Fastness to soaping | Fastness to dry grinding | Fastness to wet milling | Upper, middle and lower color difference values | Color difference |
| Example 1 | 3 | 4/5 | 4 | Within 0.2 of Delta E | Within 0.26 of Delta E |
| Example 2 | 3/4 | 4/5 | 4 | Within 0.2 of Delta E | Within 0.26 of Delta E |
| Example 3 | 3/4 | 4/5 | 4 | Within Delta E0.23 | Within 0.25 of Delta E |
。
Claims (2)
1. A dyeing method of bio-based nylon 56 yarns adopts cone yarns or warp beams, and the parameters of the cone yarns are that the density before setting is 200-3The density after setting is 320-400g/dm3The weight of each of the components is 0.8-1.3kg, and the method is characterized by comprising the following steps:
1) pretreatment: soaking yarn in water for 5-10min when using cheese, soaking yarn in water for 10-15min when using warp beam, circulating water for 10min, adding 1-2g/L TFN101 deoiling agent, heating to 80-90 deg.C, maintaining for 20-40min, and draining;
2) dyeing: the specific flow rate is 22-47g/L per minute during dyeing, the pressure difference of yarn adopting cone yarn is 0.4-1.2 Pa, the bath ratio is 1: 7-1: 40, the pressure difference of yarn adopting beam is 1.0-2.4 Pa, the bath ratio is 1: 6.5-1: 40, after the yarn is heated to 35-40 ℃, acetic acid is added in 0.5-3g/L and kept for 10-15min, then leveling agent 1-3g/L and dye are sequentially added and kept for 10-30min, the pH value is 2.9-7.4 stable, the temperature is raised to 50 ℃ at the temperature raising speed of 1-2 ℃/min and kept for 10min, the temperature is raised to 60 ℃ at the temperature raising speed of 1-2 ℃/min and kept for 10min, the temperature is raised to 85 ℃ at the temperature raising speed of 1-2 ℃/min and kept for 40-50min, and water is drained;
3) and (3) post-treatment: adding antistatic agent PH 2-3g/L and softening agent 2.5-3.5%, heating to 55-60 deg.C, maintaining for 10-20min, and draining.
2. The method of dyeing bio-based nylon 56 yarn of claim 1, wherein: the leveling agent adopts Zhejiang Rihua TS400Z with the concentration of 1-3g/L, and the dye adopts nylon special reactive dye with the concentration of 0.001-15%.
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| CN201910002919.7A CN109763359B (en) | 2019-01-02 | 2019-01-02 | Dyeing method of bio-based nylon 56 yarn |
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| CN111058316A (en) * | 2019-12-31 | 2020-04-24 | 军事科学院系统工程研究院军需工程技术研究所 | Alkaline pad dyeing method for chinlon 56 and cellulose fiber blended fabric |
| CN111778739A (en) * | 2020-01-02 | 2020-10-16 | 军事科学院系统工程研究院军需工程技术研究所 | Acid low-temperature dip dyeing method for chinlon 56 fiber and fabric |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102733203A (en) * | 2012-07-09 | 2012-10-17 | 天津田歌纺织有限公司 | Dyeing method for cheese made of nylon stretch yarns |
| CN104652142A (en) * | 2015-02-15 | 2015-05-27 | 互太(番禺)纺织印染有限公司 | Production technology of nylon fabric |
| CN106480756A (en) * | 2015-08-31 | 2017-03-08 | 南通市跃达针织服饰有限公司 | A kind of yarn dyeing technology |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102733203A (en) * | 2012-07-09 | 2012-10-17 | 天津田歌纺织有限公司 | Dyeing method for cheese made of nylon stretch yarns |
| CN104652142A (en) * | 2015-02-15 | 2015-05-27 | 互太(番禺)纺织印染有限公司 | Production technology of nylon fabric |
| CN106480756A (en) * | 2015-08-31 | 2017-03-08 | 南通市跃达针织服饰有限公司 | A kind of yarn dyeing technology |
Non-Patent Citations (2)
| Title |
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| 提高尼龙66缝纫线筒纱染色均匀性的实践;张会云等;《河南纺织高等专科学校学报》;20070630;第19卷(第2期);第26-28页 * |
| 筒子纱染色的比流量;刘江坚;《印染》;20060831(第8期);第29-30页 * |
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