CN115506094A - Dyeing and finishing process of T400 and PET interwoven non-elastic knitted fabric - Google Patents
Dyeing and finishing process of T400 and PET interwoven non-elastic knitted fabric Download PDFInfo
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- CN115506094A CN115506094A CN202211341811.9A CN202211341811A CN115506094A CN 115506094 A CN115506094 A CN 115506094A CN 202211341811 A CN202211341811 A CN 202211341811A CN 115506094 A CN115506094 A CN 115506094A
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- 239000004744 fabric Substances 0.000 title claims abstract description 110
- 238000004043 dyeing Methods 0.000 title claims abstract description 40
- 238000007730 finishing process Methods 0.000 title claims abstract description 16
- 238000005406 washing Methods 0.000 claims abstract description 24
- 238000000034 method Methods 0.000 claims abstract description 21
- 238000007493 shaping process Methods 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 238000005096 rolling process Methods 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 6
- 238000002791 soaking Methods 0.000 claims description 5
- 239000012752 auxiliary agent Substances 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 238000007598 dipping method Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000006386 neutralization reaction Methods 0.000 claims description 3
- 239000000835 fiber Substances 0.000 description 11
- 239000002131 composite material Substances 0.000 description 6
- 230000035882 stress Effects 0.000 description 5
- 238000005238 degreasing Methods 0.000 description 4
- 238000004513 sizing Methods 0.000 description 4
- 229920002334 Spandex Polymers 0.000 description 3
- 229920000728 polyester Polymers 0.000 description 3
- 239000004759 spandex Substances 0.000 description 3
- 238000007689 inspection Methods 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 239000008234 soft water Substances 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
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Classifications
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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
- D06B3/00—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating
- D06B3/10—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics
- D06B3/18—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics combined with squeezing, e.g. in padding machines
-
- 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
- D06B3/00—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating
- D06B3/10—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics
-
- 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
- D06B3/00—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating
- D06B3/34—Driving arrangements of machines or apparatus
- D06B3/345—Means for controlling the tension in the textile material
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
- D06C7/00—Heating or cooling textile fabrics
- D06C7/02—Setting
-
- 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]
Abstract
The invention provides a dyeing and finishing process of a T400 and PET interwoven non-elastic knitted fabric. A dyeing and finishing process of T400 and PET interweaving non-elastic knitted fabric comprises the following steps: s1, shaping at low temperature to reduce the breadth; s2, washing in open width; s3, low-temperature determination; s4, dyeing; and S5, postdetermining. Compared with the traditional process, the dyeing and finishing process disclosed by the invention has the advantages that the width is reduced at low temperature before washing, the internal stress of the cloth surface is eliminated, the resilience of the cloth surface is ensured at low temperature, the cloth surface is more uniform and retracts uniformly through the large-tension stretching direction, and the cloth surface is further flattened through the large-tension open-width washing; the specification is made before the low temperature of 125-135 ℃, the peculiar resilience of T400 is kept to the maximum extent and is not damaged, so that the shrinkage of the cloth cover is more consistent when the cloth cover is dyed in a dye vat, and the shrinkage mark is avoided; and the cylinder is prevented from entering twice, so that the cost is reduced and the efficiency is improved while the cloth cover resilience and the cloth cover quality are ensured.
Description
Technical Field
The invention relates to the field of fabric dyeing and finishing processes, in particular to a dyeing and finishing process of a T400 and PET interwoven non-elastic knitted fabric.
Background
The T400 composite fiber is a novel elastic composite fiber, does not contain spandex, has good elasticity, and solves the problems of difficult dyeing, excessive elasticity, complex weaving, unstable fabric size, aging of spandex in the using process and the like of the spandex.
PET fiber is also called polyester fiber, commonly called polyester fiber, and is synthetic fiber obtained by spinning polyester formed by polycondensation of organic dibasic acid and dihydric alcohol.
As shown in fig. 1, due to the excellent high shrinkage of the T400 composite fiber, when the T400 composite fiber and the PET fiber are interwoven into the non-elastic knitted fabric, and dyeing and finishing are performed, in order to ensure the excellent resilience of the T400 composite fiber, low-temperature pre-setting is generally performed, so that the T400 composite fiber and the PET fiber are not consistent in retraction in a dye vat, and thus serious shrinkage marks occur on a cloth surface, and the quality of the cloth surface is affected.
Disclosure of Invention
The invention provides a dyeing and finishing process of a T400 and PET interwoven non-elastic knitted fabric, which solves the problem that the T400 and PET interwoven non-elastic knitted fabric generates shrinkage marks in the dyeing and finishing process.
The technical scheme of the invention is realized as follows:
a dyeing and finishing process of T400 and PET interweaving non-elastic knitted fabric is characterized by comprising the following steps:
s1, low-temperature shaping and width reduction: t400 and PET interweaving non-elastic knitted fabric are directly shaped by soaking, rolling and water-soaking, the tension of a padder is adjusted to be maximum on the premise of ensuring the normal operation of a cloth cover and a machine, the padder is pulled to be in a warp direction under high tension, the width of the padder is reduced, the padder passes through an oven at the temperature of 110-120 ℃ and the speed of 18-25 m/min, the padder is pulled out of the oven as narrow as possible on the premise of ensuring that the cloth cover does not drag the oven, the internal stress is eliminated, and the cloth cover is shrunk uniformly;
s2, open width water washing: under the premise that the washing machine normally operates, the tension is adjusted to the maximum to pass through the open width washing machine, so that the cloth surface is smooth;
s3, low-temperature determination: setting the width of the fabric before passing water at the temperature of 125-135 ℃ and the speed of 18-25 m/min, drawing the width of the fabric as far as possible, adjusting the tension of a padder to be minimum under the condition of ensuring that the fabric is not dropped, feeding the fabric as far as possible in the warp direction on the premise of not generating shrink mark, further enabling the fabric to be more uniform, ensuring that the fabric shrinks uniformly during dyeing, and avoiding the generation of shrink mark;
s4, dyeing: feeding the mixture into a vat at normal temperature, adding a dye, heating to 130 ℃ at a speed of 0.8-1.2 ℃/min, keeping the temperature for 30-60 min, cooling to 50 ℃ at a speed of 1-1.5 ℃/min, washing with water, performing two-time reduction cleaning, and discharging the product out of the vat after neutralization;
s5, postdetermining: then the temperature is set to be 130-140 ℃, the speed is 20-40 m/min, the softening auxiliary agent is added after one dipping and one rolling, and the finished product cloth is obtained after the mixture passes through a padder and is dried.
As a further technical proposal, in the step S1, the padder tension is 70 to 90N.
As a further technical proposal, in the step S2, the fabric is passed through an open width water washing machine with the tension of 50 to 70N.
As a further technical proposal, in the step S3, the padder tension is 20 to 25N.
As a further technical scheme, in the step S3, the upper machine width is set according to 125-135% of the finished product requirement width.
As a further technical solution, in the step S3, water is added at a temperature of 130 ℃.
As a further technical scheme, in the step S5, the specification of the finished cloth is 165cm (± 3 cm) × 165g/m 2 (±5％)。
In a further embodiment, in step S5, the post-determined temperature is 130 ℃.
The invention has the beneficial effects that: compared with the traditional process of degreasing, pre-setting, dyeing and post-setting, the dyeing and finishing process of the T400 and PET interwoven non-elastic fabric reduces the breadth at low temperature before washing, eliminates the internal stress of the fabric surface, ensures the resilience of the fabric surface at low temperature, enables the fabric surface to be more uniform and consistent in retraction by drawing the warp direction with large tension, further enables the fabric surface to be flat and more stable in color fastness by large-tension open-width washing; the specification is made before the low temperature of 125-135 ℃, the peculiar resilience of T400 is kept to the maximum extent without being damaged, so that the cloth cover shrinks more uniformly when being dyed in a dye vat, and shrinkage marks are avoided; compared with the conventional grey cloth advanced cylinder degreasing width, high-temperature 195 ℃ pre-sizing, dyeing and post-sizing processes, the process avoids twice cylinder feeding, ensures the cloth cover resilience and the cloth cover quality, reduces the cost and improves the efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a drawing of a T400 and PET interwoven non-stretch knitted fabric produced using a prior art dyeing and finishing process;
FIG. 2 is a drawing of a T400 and PET interwoven non-stretch knitted fabric produced by the process of the present invention;
FIG. 3 is a table I of the inspection of T400 and PET interlaced non-stretch knit fabrics produced by the process of the present invention;
FIG. 4 is a second inspection table of T400 and PET interwoven non-stretch knitted fabrics produced by the process of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A dyeing and finishing process of T400 and PET interweaving non-elastic knitted fabric is characterized by comprising the following steps:
s1, low-temperature shaping and width reduction: t400 and PET interweaving non-elastic knitted gray cloth is directly soaked, rolled and shaped by water, a padder adjusts the tension of the padder to be maximum (the difference of different padders is large, the tension of the padder is about 70-90N) on the premise of ensuring the normal operation of a cloth cover and a machine table, the large tension draws the warp direction and the width of the cloth cover to be reduced, the cloth cover passes through an oven at the temperature of 110-120 ℃ and the speed of 18-25 m/min, the cloth cover is discharged from the machine as narrow as possible under the condition of ensuring that the cloth cover does not drag the oven, the internal stress is eliminated, and the cloth cover is shrunk uniformly;
s2, open width water washing: under the premise of normal operation of the washing machine, the tension is adjusted to be maximum (the difference between different washing machines is large, the tension is about 50-70N) and the fabric passes through the open width washing machine, so that the fabric surface is smooth;
s3, low-temperature determination: the method is characterized in that the fabric is set before water passing at the temperature of 125-135 ℃ and the vehicle speed of 18-25 m/min, the width of a door is pulled as far as possible in the weft direction, the tension of a padder is adjusted to be minimum (the difference of different padders is large, the tension of the padder is approximately between 20-25N) under the condition that the fabric is not dropped, the fabric is fed as far as possible in the warp direction on the premise that the mark shrinking is not generated, the fabric surface is further more uniform, the fabric surface is ensured to shrink uniformly during dyeing, and the generation of shrinkage marks is avoided;
s4, dyeing: feeding the mixture into a cylinder at normal temperature, adding a dye, heating to 130 ℃ at the speed of 0.8-1.2 ℃/min, keeping the temperature for 30-60 min, cooling to 50 ℃ at the speed of 1-1.5 ℃/min, washing with water, carrying out reduction cleaning twice, and discharging the obtained product out of the cylinder after neutralization;
s5, postdetermining: then the temperature is set at 130-140 ℃, the speed is 20-40 m/min, the softening auxiliary agent is added after soaking and rolling, and the finished product cloth is obtained after passing through a padder and drying.
As a further technical scheme, in the step S3, the upper machine width is set according to 125-135% of the finished product requirement width.
As a further technical solution, in the step S3, water is added at a temperature of 130 ℃.
As a further technical scheme, in the step S5, the specification of the finished cloth is 165cm (± 3 cm) × 165g/m 2 (±5％)。
In a further embodiment, in step S5, the post-determined temperature is 130 ℃.
Compared with the traditional process of degreasing, pre-setting, dyeing and post-setting, the dyeing and finishing process of the T400 and PET interwoven non-elastic fabric reduces the breadth at low temperature before washing, eliminates the internal stress of the fabric surface, ensures the resilience of the fabric surface at low temperature, enables the fabric surface to be more uniform and consistent in retraction by drawing the warp direction with large tension, further enables the fabric surface to be flat and more stable in color fastness by large-tension open-width washing; the specification is made before the low temperature of 125-135 ℃, the peculiar resilience of T400 is kept to the maximum extent and is not damaged, so that the shrinkage of the cloth cover is more consistent when the cloth cover is dyed in a dye vat, and the shrinkage mark is avoided; compared with the conventional grey cloth advanced cylinder degreasing width, high-temperature 195 ℃ pre-sizing, dyeing and post-sizing processes, the process avoids twice cylinder feeding, ensures the cloth cover resilience and the cloth cover quality, reduces the cost and improves the efficiency.
Example 1
A dyeing and finishing process of T400 and PET interweaving non-elastic knitted fabric comprises the following specific steps:
s1, low-temperature shaping and width reduction: directly soaking and rolling the T400 and PET interweaving non-elastic knitted gray cloth into water for shaping, wherein the padder tension is 80N, the large tension pulls the warp direction and the width of the cloth is reduced, the cloth passes through the oven at the temperature of 110 ℃ and the speed of 20m/min, the cloth is discharged as narrow as possible without dragging the oven, the internal stress is eliminated, and the cloth is uniformly contracted;
s2, open width water washing: the cloth surface is leveled by passing through an open width washing machine with 60N tension;
s3, low-temperature determination: the dyeing process is characterized in that the dyeing process is carried out at the speed of 130 ℃ and 24m/min before water passing, the width is drawn to the greatest extent in the weft direction (the frame is set according to 125 percent of the upper width), the padder tension is 25N, and the warp direction is fed to the greatest extent on the premise of not generating shrink mark, so that the cloth surface is more uniform, the cloth surface is shrunk uniformly in dyeing, and the generation of shrink mark is avoided;
s4, dyeing: injecting soft water into a dye vat, wherein the bath ratio is 1;
s5, postfixation: then the temperature is fixed at 130 ℃, the speed is 30m/min, the softening auxiliary agent is added after one dipping and one rolling, the mixture passes through a padder and is dried to obtain the finished product cloth 165cm (+/-3 cm) 165g/m 2 (±5％)。
The finished cloth obtained in the embodiment has a flat cloth surface as shown in fig. 2, has no shrinkage mark, and is more stable in fastness as seen in fig. 3 and 4.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. A dyeing and finishing process of T400 and PET interweaving non-elastic knitted fabric is characterized by comprising the following steps:
s1, low-temperature shaping and width reduction: directly soaking, rolling and shaping the T400 and PET interweaving non-elastic knitted gray cloth by water, adjusting the tension of a padder to be maximum on the premise of ensuring the normal operation of a cloth cover and a machine table, pulling the large tension to the warp direction and reduce the width, passing through an oven at the temperature of 110-120 ℃ and the speed of 18-25 m/min, and discharging the cloth cover as narrow as possible to eliminate internal stress and ensure the uniform shrinkage of the cloth cover under the condition of ensuring that the cloth cover does not drag the oven;
s2, open width water washing: under the premise that the washing machine normally operates, the tension is adjusted to the maximum to pass through the open width washing machine, so that the cloth surface is smooth;
s3, low-temperature determination: setting the width of the fabric before passing water at the temperature of 125-135 ℃ and the speed of 18-25 m/min, drawing the width of the fabric as far as possible, adjusting the tension of a padder to be minimum under the condition of ensuring that the fabric is not dropped, feeding the fabric as far as possible in the warp direction on the premise of not generating shrink mark, further enabling the fabric to be more uniform, ensuring that the fabric shrinks uniformly during dyeing, and avoiding the generation of shrink mark;
s4, dyeing: feeding the mixture into a cylinder at normal temperature, adding a dye, heating to 130 ℃ at the speed of 0.8-1.2 ℃/min, keeping the temperature for 30-60 min, cooling to 50 ℃ at the speed of 1-1.5 ℃/min, washing with water, carrying out reduction cleaning twice, and discharging the obtained product out of the cylinder after neutralization;
s5, postdetermining: then the temperature is set to be 130-140 ℃, the speed is 20-40 m/min, the softening auxiliary agent is added after one dipping and one rolling, and the finished product cloth is obtained after the mixture passes through a padder and is dried.
2. The process for dyeing and finishing a T400 and PET interlaced non-stretch knit fabric of claim 1, wherein: in the step S1, the padder tension is 70-90N.
3. The process for dyeing and finishing a T400 and PET interlaced non-stretch knit fabric of claim 1, wherein: and in the step S2, the fabric passes through an open width washing machine with the tension of 50-70N.
4. The process for dyeing and finishing a T400 and PET interlaced non-stretch knit fabric of claim 1, wherein: in the step S3, the padder tension is 20-25N.
5. The process for dyeing and finishing a T400 and PET interlaced non-stretch knit fabric of claim 1, wherein: in the step S3, the upper machine width is set according to 125-135% of the finished product required width.
6. The process for dyeing and finishing a T400 and PET interlaced non-stretch knit fabric of claim 1, wherein: in the step S3, water is added at a temperature of 130 ℃.
7. The process for dyeing and finishing a T400 and PET interlaced non-stretch knit fabric of claim 1, wherein: in the step S5, the specification of the finished cloth is 165cm (+/-3 cm) × 165g/m 2 (±5％)。
8. The process for dyeing and finishing a T400 and PET interlaced non-stretch knit fabric of claim 1, wherein: in the step S5, the post-determined temperature is 130 ℃.
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| CN202211341811.9A CN115506094A (en) | 2022-10-27 | 2022-10-27 | Dyeing and finishing process of T400 and PET interwoven non-elastic knitted fabric |
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| CN202211341811.9A CN115506094A (en) | 2022-10-27 | 2022-10-27 | Dyeing and finishing process of T400 and PET interwoven non-elastic knitted fabric |
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