CN107988673B - Processing method of high-elasticity, super-soft and super-smooth polyester high-stretch yarn - Google Patents
Processing method of high-elasticity, super-soft and super-smooth polyester high-stretch yarn Download PDFInfo
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- CN107988673B CN107988673B CN201711400302.8A CN201711400302A CN107988673B CN 107988673 B CN107988673 B CN 107988673B CN 201711400302 A CN201711400302 A CN 201711400302A CN 107988673 B CN107988673 B CN 107988673B
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
- D02G3/26—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre with characteristics dependent on the amount or direction of twist
- D02G3/28—Doubled, plied, or cabled threads
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
- D02G3/32—Elastic yarns or threads ; Production of plied or cored yarns, one of which is elastic
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B21/00—Successive treatments of textile materials by liquids, gases or vapours
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B9/00—Solvent-treatment of textile materials
- D06B9/04—Successively applying two or more different solvent-based treating materials
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/445—Use of auxiliary substances before, during or after dyeing or printing
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
- D06P3/34—Material containing ester groups
- D06P3/52—Polyesters
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
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Abstract
The invention provides a method for processing high-elasticity, super-soft and super-smooth polyester high-stretch yarns, which comprises the steps of twisting polyester yarns into silk yarns with a strand number of 105-115 by a two-for-one twister, drying, keeping the temperature for 30 minutes at 90 ℃, then dyeing, fixing color, softening, rinsing and drying to obtain the high-elasticity, super-soft and super-smooth polyester high-stretch yarns.
Description
Technical Field
The invention belongs to the technical field of polyester yarn treatment, and particularly relates to a method for processing high-elasticity, super-soft and super-smooth polyester high-stretch yarns.
Background
Nowadays, the society is more in population, and the demand for textile goods is large, therefore, synthetic fiber is used in a large number for manufacturing clothing fabric and industrial products, wherein, dacron is an important variety in synthetic fiber, and ordinary synthetic fiber is usually dyed by cheese, so that the synthetic fiber has the disadvantages of poor hand feeling and poor elasticity, and some high-quality textile fabrics need to be woven by high stretch yarns with better elasticity, and if the high stretch yarns are processed into high stretch yarns with higher elasticity, the fabric quality can be greatly improved.
The high stretch yarn commonly used in the prior art is nylon high stretch yarn, the elasticity of the nylon high stretch yarn is higher than that of common synthetic fiber, the nylon high stretch yarn has the advantages of high color fastness and difficult deformation, but the dyeing and weaving process is complex, and more materials are used, so that the processing cost of the nylon high stretch yarn is higher than that of the common synthetic fiber, and therefore, the high stretch yarn which is simple in process, low in manufacturing cost and high in quality is provided, and the high stretch yarn has higher economic value.
Disclosure of Invention
Based on the prior art, the invention aims to provide a method for processing high-elasticity, super-soft and super-smooth polyester high-stretch yarns.
In order to achieve the above purpose, the invention adopts the technical scheme that: a processing method of high-elasticity, super-soft and super-smooth polyester high stretch yarn comprises the following steps:
step 1, twisting and forming polyester yarns by a two-for-one twister, wherein the number of twisted strands is 105-115, drying by a loose dryer, then placing in a steam engine, heating to 90-100 ℃, and keeping the temperature for 30 minutes to obtain polyester yarns;
step 2, placing the polyester silk threads obtained in the step 1 into a dye vat, sequentially adding water, a high-temperature leveling agent, a pH value buffer solution and a dye, uniformly mixing, heating to 80 ℃ at a speed of 1.5-3 ℃/s, heating to 90 ℃ at a speed of 3-5 ℃/s, preserving heat for 10 minutes, heating to 100 ℃ at a speed of 1-2 ℃/s, preserving heat for 10 minutes, heating to 110 ℃ at a speed of 0.5-1.5 ℃/s, preserving heat for 10 minutes, heating to 130 ℃ at a speed of 0.5-1 ℃/s, preserving heat for 45 minutes for dyeing, retaining the dyed polyester silk threads in the dye vat, and performing high-speed discharge;
step 3, sequentially adding water, an acidic reducing agent and glacial acetic acid into the dye vat subjected to high discharge in the step 2, uniformly mixing, heating to 80 ℃ at the speed of 2-5 ℃/s, preserving heat for 20 minutes to perform color fixation, then cooling to normal temperature at the speed of 4-6 ℃/s, retaining the color-fixed polyester silk yarn in the dye vat, and discharging water;
and 4, sequentially adding water, a softening agent and a smoothing agent into the dye vat subjected to water drainage in the step 3, uniformly mixing, heating to 50 ℃ at the speed of 2-4 ℃/s, preserving heat for 20 minutes to soften, cooling to normal temperature at the speed of 4-6 ℃/s, draining, adding water, rinsing for 1-5 times to obtain the high-elasticity polyester yarn, and drying to obtain the high-elasticity, super-soft and super-smooth high-elasticity polyester yarn, wherein softening is to increase the smooth hand feeling and soft texture of the dyed and color-fixed yarn under the action of the softening agent and the smoothing agent.
As optimization, the weight ratio of the water, the high-temperature leveling agent, the pH buffer solution and the dye added in the step 2 is 500: 5-10: 3-15: 8-50, wherein the high-temperature leveling agent is at least one of a high-temperature leveling agent XPO-4, a high-temperature leveling agent XPO-5 or a PEL high-temperature leveling agent, and the dye is at least one of SF series disperse dyes, H-WF series disperse dyes, LXF series disperse dyes and MD series disperse dyes.
Preferably, the concentration of the pH buffer solution adopted in the step 2 is 1.7-4.3 mol/L.
For further optimization, the pH buffer solution is a mixed solution of sodium chloride and hydrochloric acid, wherein the molar ratio of the sodium chloride to the hydrochloric acid is 12-15: 24-26.
As another optimization, the PH buffer solution is a mixed solution of acetic acid and sodium acetate, wherein the molar ratio of acetic acid to sodium acetate is 23-26: 64 to 70.
Preferably, the weight ratio of the water, the acidic reducing agent and the glacial acetic acid added in the step 3 is 500: 3-7: 3-7, wherein the acidic reducing agent is at least one of an acidic reducing cleaning agent F-284, an acidic reducing cleaning agent SR-3088, an acidic reducing cleaning agent DC-210 and an acidic reducing cleaning agent ZJ-R25A.
As optimization, the weight ratio of the water, the softening agent and the smoothing agent added in the step 4 is 500: 5-10: 6-10, wherein the softening agent is at least one of a softening agent JF-2086, a softening agent KF-96, a softening agent K-915 and a softening agent TS-5600; the smoothing agent is at least one of smoothing agent SD-01, smoothing agent AD-HES210, smoothing agent 827, smoothing agent SX281 and smoothing agent K-903.
Advantageous effects
The invention has the following beneficial effects:
(1) the method comprises the steps of processing common polyester yarns into polyester high stretch yarns, performing heat preservation for 30 minutes at 90-100 ℃ after twisting and forming the polyester yarns to obtain polyester silk yarns with the best elastic shrinkage, performing step-by-step heating to different temperatures in the dyeing process, controlling the heat preservation time of different steps to obtain the best dyeing effect, and achieving the highest color fastness after color fixation and softening.
(2) The processing method of the high-elasticity, super-soft and super-smooth polyester high-stretch yarn provided by the invention has the advantages of simple process steps and convenience in operation, and the adopted reagents are common auxiliary agents on the market. The terylene high stretch yarn prepared by the invention is manufactured into the woven belt, the effect consistent with that of the nylon high stretch yarn can be achieved, the woven belt is more durable than the nylon high stretch yarn, is not easy to deform, and has the price reduced by 30% on the same scale, the woven belt is manufactured by the high stretch yarn with the same specification, the number of meters of the woven belt manufactured by the terylene high stretch yarn provided by the invention is 15% more than that of the woven belt manufactured by the nylon high stretch yarn, in addition, the color fastness of the terylene high stretch yarn provided by the invention can reach 5 grade, and the terylene high stretch yarn can be applied to the aspects of sports goods such as.
Detailed Description
The present invention will be described in further detail with reference to specific examples.
Example 1
The embodiment provides a method for processing a high-elasticity, super-soft and super-smooth polyester high stretch yarn, which comprises the following steps:
step 1, twisting and forming polyester yarns by a two-for-one twister, wherein the number of twisted strands is 105, drying by a loose dryer, then placing in a steam engine, heating to 90 ℃, and keeping the temperature for 30 minutes to obtain polyester silk yarns;
step 2, placing the polyester silk yarn obtained in the step 1 into a dye vat according to the weight ratio of 500: 5: 5: 45 of water, a high-temperature leveling agent, a pH buffer solution and a dye are sequentially added, the mixture is uniformly mixed, the temperature is increased to 80 ℃ at the speed of 1.5 ℃/s, then is increased to 90 ℃ at the speed of 3 ℃/s, is kept for 10 minutes, is increased to 100 ℃ at the speed of 1 ℃/s, is kept for 10 minutes, is increased to 110 ℃ at the speed of 0.5 ℃/s, is kept for 10 minutes, is increased to 130 ℃ at the speed of 0.5 ℃/s, is kept for 45 minutes to dye, and retains the dyed polyester silk threads in a dye vat for high discharge, wherein the high-temperature leveling agent is a high-temperature leveling agent XPO-4, the pH buffer solution is a mixed solution of sodium chloride and hydrochloric acid with the concentration of 1.7mol/L, and the molar ratio of the sodium chloride to the hydrochloric acid is 12: 24, the dye is an SF series disperse dye;
and 3, sequentially adding the materials with the weight ratio of 500: 6: 4, uniformly mixing water, an acidic reducing agent and glacial acetic acid, heating to 80 ℃ at the speed of 2 ℃/s, preserving heat for 20 minutes to fix the color, then cooling to normal temperature at the speed of 4 ℃/s, retaining the color-fixed polyester yarns in a dye vat, and draining, wherein the acidic reducing agent is an acidic reducing cleaning agent F-284;
and 4, sequentially adding the materials with the weight ratio of 500: 5: 10 of water, a softening agent and a smoothing agent, uniformly mixing, heating to 50 ℃ at the speed of 2 ℃/s, preserving heat for 20 minutes for softening, cooling to normal temperature at the speed of 4 ℃/s, finally draining, adding water, rinsing for 2 times to obtain the polyester high stretch yarn, and drying to obtain the high stretch, super-soft and super-smooth polyester high stretch yarn, wherein the softening agent is a softening agent JF-2086, and the smoothing agent is a smoothing agent SD-01.
Example 2
The embodiment provides a method for processing a high-elasticity, super-soft and super-smooth polyester high stretch yarn, which comprises the following steps:
step 1, twisting and forming polyester yarns by a two-for-one twister, wherein the number of twisted strands is 108, drying by a loose dryer, then placing in a steam engine, heating to 95 ℃, and keeping the temperature for 30 minutes to obtain polyester silk yarns;
step 2, placing the polyester silk yarn obtained in the step 1 into a dye vat according to the weight ratio of 500: 5: 10: 8, adding water, a high-temperature leveling agent, a pH buffer solution and a dye in sequence, uniformly mixing, heating to 80 ℃ at a speed of 2 ℃/s, heating to 90 ℃ at a speed of 3.5 ℃/s, preserving heat for 10 minutes, heating to 100 ℃ at a speed of 1.2 ℃/s, preserving heat for 10 minutes, heating to 110 ℃ at a speed of 0.9 ℃/s, preserving heat for 10 minutes, heating to 130 ℃ at a speed of 0.6 ℃/s, preserving heat for 45 minutes to dye, reserving a polyester silk thread dyed in a dye vat, and performing high-grade discharge, wherein the high-temperature leveling agent is a high-temperature leveling agent XPO-5, the pH buffer solution is a mixed solution of acetic acid and sodium acetate with a concentration of 3.5mol/L, and the molar ratio of the acetic acid to the sodium acetate is 25: 67, the dye is an MD series disperse dye;
and 3, sequentially adding the materials with the weight ratio of 500: 7: 3, uniformly mixing water, an acidic reducing agent and glacial acetic acid, heating to 80 ℃ at the speed of 2.5 ℃/s, preserving heat for 20 minutes to fix the color, then cooling to normal temperature at the speed of 4.5 ℃/s, retaining the polyester silk yarn fixed in the dye vat, and draining, wherein the acidic reducing agent is an acidic reducing cleaning agent SR-3088;
and 4, sequentially adding the materials with the weight ratio of 500: 6: 8, uniformly mixing the water, the softening agent and the smoothing agent, heating to 50 ℃ at the speed of 2.5 ℃/s, preserving heat for 20 minutes for softening, cooling to normal temperature at the speed of 4.5 ℃/s, finally draining, adding water, rinsing for 2 times to obtain the polyester high stretch yarn, and drying in the air to obtain the high stretch, super-soft and super-smooth polyester high stretch yarn, wherein the softening agent is a softening agent K-915, and the smoothing agent is a smoothing agent AD-HES 210.
Example 3
The embodiment provides a processing method of high-elasticity, super-soft and super-smooth polyester high-stretch yarn, which comprises the following steps:
step 1, twisting and forming polyester yarns by a two-for-one twister, wherein the number of twisted strands is 105-115, drying by a loose dryer, then placing in a steam engine, heating to 98 ℃, and keeping the temperature for 30 minutes to obtain polyester yarns;
step 2, placing the polyester silk yarn obtained in the step 1 into a dye vat according to the weight ratio of 500: 7: 10: 10, adding water, a high-temperature leveling agent, a pH buffer solution and a dye in sequence, uniformly mixing, heating to 80 ℃ at a speed of 2 ℃/s, heating to 90 ℃ at a speed of 3 ℃/s, preserving heat for 10 minutes, heating to 100 ℃ at a speed of 1.5 ℃/s, preserving heat for 10 minutes, heating to 110 ℃ at a speed of 1 ℃/s, preserving heat for 10 minutes, heating to 130 ℃ at a speed of 0.8 ℃/s, preserving heat for 45 minutes to dye, reserving the dyed polyester silk thread in a dye vat, and performing high-grade discharge, wherein the high-temperature leveling agent is a high-temperature leveling agent XPO-4, the pH buffer solution is a mixed solution of sodium chloride and hydrochloric acid with a concentration of 3.5mol/L, and the molar ratio of the sodium chloride to the hydrochloric acid is 13: 25, the dye is an SF series disperse dye and an LXF series disperse dye;
and 3, sequentially adding the materials with the weight ratio of 500: 6: 6, uniformly mixing water, an acidic reducing agent and glacial acetic acid, heating to 80 ℃ at the speed of 3 ℃/s, preserving heat for 20 minutes to fix the color, then cooling to normal temperature at the speed of 5 ℃/s, retaining the color-fixed polyester yarns in a dye vat, and draining, wherein the acidic reducing agent is an acidic reducing cleaning agent F-284;
and 4, sequentially adding the materials with the weight ratio of 500: 8: 7, uniformly mixing water, a softening agent and a smoothing agent, heating to 50 ℃ at the speed of 3 ℃/s, preserving heat for 20 minutes for softening, cooling to normal temperature at the speed of 5 ℃/s, finally draining, adding water, rinsing for 4 times to obtain the polyester high stretch yarn, and drying in the air to obtain the high-elasticity, super-soft and ultra-smooth polyester high stretch yarn, wherein the softening agent is a softening agent JF-2086, and the smoothing agent is a smoothing agent SD-01 and a smoothing agent SX 281.
Example 4
The embodiment provides a method for processing a high-elasticity, super-soft and super-smooth polyester high stretch yarn, which comprises the following steps:
step 1, twisting and forming polyester yarns by a two-for-one twister, wherein the number of twisted yarns is 110, drying by a loose dryer, then placing in a steam engine, heating to 95 ℃, and keeping the temperature for 30 minutes to obtain polyester yarns;
step 2, placing the polyester silk yarn obtained in the step 1 into a dye vat according to the weight ratio of 500: 10: 6: 25, heating to 80 ℃ at a speed of 2.5 ℃/s, heating to 90 ℃ at a speed of 4 ℃/s, preserving heat for 10 minutes, heating to 100 ℃ at a speed of 1.8 ℃/s, preserving heat for 10 minutes, heating to 110 ℃ at a speed of 1.2 ℃/s, preserving heat for 10 minutes, heating to 130 ℃ at a speed of 0.8 ℃/s, preserving heat for 45 minutes, reserving the dyed polyester silk thread in a dye vat, and performing high-grade discharge, wherein the high-temperature leveling agent is a high-temperature leveling agent XPO-5, the pH value buffer solution is a mixed solution of acetic acid and sodium acetate with a concentration of 3.8mol/L, and the molar ratio of the acetic acid to the sodium acetate is 26: 68, the dye is H-WF series disperse dye;
and 3, sequentially adding the materials with the weight ratio of 500: 4: 6, uniformly mixing water, an acidic reducing agent and glacial acetic acid, heating to 80 ℃ at the speed of 4.5 ℃/s, preserving heat for 20 minutes to fix the color, then cooling to normal temperature at the speed of 5.5 ℃/s, retaining the polyester silk yarn after color fixation in a dye vat, and draining, wherein the acidic reducing agent is an acidic reduction cleaning agent SR-3088;
and 4, sequentially adding the materials with the weight ratio of 500: 10: 6, uniformly mixing the water, the softening agent and the smoothing agent, heating to 50 ℃ at the speed of 3.5 ℃/s, preserving heat for 20 minutes to soften, cooling to normal temperature at the speed of 5 ℃/s, finally draining, adding water, rinsing for 5 times to obtain the polyester high-stretch yarn, and drying to obtain the high-stretch, super-soft and super-smooth polyester high-stretch yarn, wherein the softening agent is a softening agent TS-5600, and the smoothing agent is a smoothing agent SX 281.
Example 5
The embodiment provides a method for processing a high-elasticity, super-soft and super-smooth polyester high stretch yarn, which comprises the following steps:
step 1, twisting and forming polyester yarns by a two-for-one twister, wherein the number of twisted yarns is 115, drying by a loose dryer, then placing in a steam engine, heating to 100 ℃, and keeping the temperature for 30 minutes to obtain polyester yarns;
step 2, placing the polyester silk yarn obtained in the step 1 into a dye vat according to the weight ratio of 500: 6: 12: 35, heating to 80 ℃ at a speed of 3 ℃/s, heating to 90 ℃ at a speed of 5 ℃/s, preserving heat for 10 minutes, heating to 100 ℃ at a speed of 2 ℃/s, preserving heat for 10 minutes, heating to 110 ℃ at a speed of 1.5 ℃/s, preserving heat for 10 minutes, heating to 130 ℃ at a speed of 1 ℃/s, preserving heat for 45 minutes to dye, and reserving the dyed polyester silk thread in a dye vat for high discharge, wherein the high-temperature leveling agent is a high-temperature leveling agent XPO-4, the pH value buffer solution is a mixed solution of sodium chloride and hydrochloric acid with a concentration of 4.3mol/L, and the molar ratio of the sodium chloride to the hydrochloric acid is 15: 26, the dye is an LXF series disperse dye;
and 3, sequentially adding the materials with the weight ratio of 500: 3: 7, uniformly mixing water, an acidic reducing agent and glacial acetic acid, heating to 80 ℃ at the speed of 4.5 ℃/s, preserving heat for 20 minutes to fix the color, then cooling to normal temperature at the speed of 6 ℃/s, and reserving the color-fixed polyester silk thread in a dye vat for draining, wherein the acidic reducing agent is an acidic reducing cleaning agent ZJ-R25A;
and 4, sequentially adding the materials with the weight ratio of 500: 9: 6, then heating to 50 ℃ at the speed of 4 ℃/s, preserving heat for 20 minutes to soften, then cooling to normal temperature at the speed of 6 ℃/s, finally draining, then adding water to rinse for 4 times to obtain the polyester high stretch yarn, and drying to obtain the high stretch, super-soft and super-smooth polyester high stretch yarn, wherein the softener is KF-96, and the smoothing agent is 827.
The polyester high-elastic yarns obtained in the above examples 1 to 5 were woven into fabrics having quality indexes such as color fastness to washing, color fastness to perspiration, color fastness to rubbing, color fastness to dry heat, and cylinder difference, as compared with those of the conventional polyester high-elastic yarns of the prior art as a comparative example, as shown in the following table 1:
TABLE 1
| Quality index project | Example 1 | Example 2 | Example 3 | Example 4 | Example 5 | Comparative example |
| Color fastness to washing | 4 stage | 4 to 5 grades | Grade 5 | Grade 5 | Grade 5 | Grade 3 or more |
| Colour fastness to perspiration | 4 stage | 4 stage | Grade 5 | 4 stage | 4 to 5 grades | Grade 3 or more |
| Colour fastness to rubbing | 4 stage | 4 to 5 grades | Grade 5 | 4 to 5 grades | 4 to 5 grades | Grade 3 or more |
| Color fastness to dry heat | 4 stage | Grade 5 | Grade 5 | 4 to 5 grades | Grade 5 | 3 to 4 grades |
| Cylinder difference | 4 stage | 4 stage | Grade 5 | 4 stage | 4 stage | Grade 4 or more |
Wherein, the standards of all quality indexes are divided into 5 grades, the 5 grades are the best, and the 1 grade is the worst.
The high-elasticity, super-soft and super-smooth polyester high-stretch yarns prepared in the above examples 1 to 5 are woven into a woven tape, which can achieve the same effect as the woven tape of the polyamide high-stretch yarns, is more durable than the woven tape of the polyamide high-stretch yarns, is less prone to deformation, and has a price reduced by 25 to 40% at the same ratio, and the woven tape is prepared from the high-stretch yarns with the same specification, the number of meters of the woven tape prepared from the polyester high-stretch yarns provided by the invention is 12 to 20% more than that of the woven tape prepared from the polyamide high-stretch yarns, and in addition, the polyester high-stretch yarns obtained in the examples have the same or even higher level of washing fastness, sweat stain fastness, friction color fastness, dry heat color fastness and cylinder difference as those of the common polyester high-stretch yarns in the prior art, and can be applied to sports goods such as woven tapes, vamps, sheaths, and the like, wherein the high-elasticity, super-soft and super, is the best embodiment.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. A processing method of high-elasticity, super-soft and super-smooth polyester high stretch yarn is characterized by comprising the following steps:
step 1, twisting and forming polyester yarns by a two-for-one twister, wherein the number of twisted strands is 105-115, drying by a loose dryer, then placing in a steam engine, heating to 90-100 ℃, and keeping the temperature for 30 minutes to obtain polyester yarns;
step 2, placing the polyester silk thread obtained in the step 1 into a dye vat, and sequentially adding water, a high-temperature leveling agent, a pH value buffer solution and a dye, wherein the weight ratio of the water to the high-temperature leveling agent to the pH value buffer solution to the dye is 500: 5-10: 3-15: 8-50, wherein the concentration of a pH value buffer solution is 1.7-4.3 mol/L, the high-temperature leveling agent is at least one of a high-temperature leveling agent XPO-4, a high-temperature leveling agent XPO-5 or a PEL high-temperature leveling agent, the dye is at least one of SF series disperse dye, H-WF series disperse dye, LXF series disperse dye and MD series disperse dye, the mixture is uniformly mixed, the temperature is raised to 80 ℃ at the speed of 1.5-3 ℃/s, the temperature is raised to 90 ℃ at the speed of 3-5 ℃/s, the temperature is kept for 10 minutes, the temperature is raised to 100 ℃ at the speed of 1-2 ℃/s, the temperature is kept for 10 minutes, the temperature is raised to 110 ℃ at the speed of 0.5-1.5 ℃/s, the temperature is kept for 10 minutes, the temperature is raised to 130 ℃ at the speed of 0.5-1 ℃/s, the temperature is kept for 45 minutes for dyeing, and the dyed polyester silk threads in a dyeing vat, carrying out high-row;
step 3, sequentially adding water, an acidic reducing agent and glacial acetic acid into the dye vat subjected to high discharge in the step 2, wherein the weight ratio of the water to the acidic reducing agent to the glacial acetic acid is 500: 3-7: 3-7, wherein the acidic reducing agent is at least one of an acidic reducing cleaning agent F-284, an acidic reducing cleaning agent SR-3088, an acidic reducing cleaning agent DC-210 and an acidic reducing cleaning agent ZJ-R25A, the mixture is uniformly mixed, the temperature is increased to 80 ℃ at the speed of 2-5 ℃/s, the temperature is kept for 20 minutes for color fixation, then the temperature is reduced to the normal temperature at the speed of 4-6 ℃/s, and the color-fixed polyester yarn in a dye vat is reserved for draining;
step 4, sequentially adding water, a softening agent and a smoothing agent into the dye vat subjected to water drainage in the step 3, and uniformly mixing, wherein the weight ratio of the water to the softening agent to the smoothing agent is 500: 5-10: 6-10, wherein the softening agent is at least one of a softening agent JF-2086, a softening agent KF-96, a softening agent K-915 and a softening agent TS-5600; the smoothing agent is at least one of a smoothing agent SD-01, a smoothing agent AD-HES210, a smoothing agent 827, a smoothing agent SX281 and a smoothing agent K-903, the temperature is raised to 50 ℃ at the speed of 2-4 ℃/s, the temperature is kept for 20 minutes for softening, the temperature is lowered to the normal temperature at the speed of 4-6 ℃/s, finally, drainage is carried out, water is added for rinsing for 1-5 times to obtain the high-elasticity, super-soft and super-smooth polyester high-elasticity yarn, and the high-elasticity, super-soft and super-smooth polyester high-elasticity yarn is obtained after drying.
2. The method for processing the high-elasticity, super-soft and super-smooth polyester high-stretch yarn according to claim 1, wherein the pH buffer solution is a mixed solution of sodium chloride and hydrochloric acid, and the molar ratio of the sodium chloride to the hydrochloric acid is 12-15: 24-26.
3. The processing method of the high-elasticity, super-soft and super-smooth polyester high-stretch yarn according to claim 1, wherein the pH buffer solution is a mixed solution of acetic acid and sodium acetate, and the molar ratio of the acetic acid to the sodium acetate is 23-26: 64 to 70.
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| CN103320935A (en) * | 2013-05-15 | 2013-09-25 | 杭州宏海纺织有限公司 | Elastic fiber fabric and preparation method thereof |
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| CN104746368A (en) * | 2015-04-02 | 2015-07-01 | 太仓市诚乐化纤有限公司 | Carrier method dyeing technology for polyester fiber |
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| CN106757673A (en) * | 2016-12-30 | 2017-05-31 | 华懋（厦门）特种材料有限公司 | A kind of fastness brocade high washs the manufacture craft of interwoven fabric |
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| CN107988673A (en) | 2018-05-04 |
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