CN107858799B - Dyeing finishing method for enhancing high color fastness of chinlon four-side stretch fabric - Google Patents
Dyeing finishing method for enhancing high color fastness of chinlon four-side stretch fabric Download PDFInfo
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- CN107858799B CN107858799B CN201711231082.0A CN201711231082A CN107858799B CN 107858799 B CN107858799 B CN 107858799B CN 201711231082 A CN201711231082 A CN 201711231082A CN 107858799 B CN107858799 B CN 107858799B
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- fabric
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- color fastness
- high color
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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
- D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
- D06C27/00—Compound processes or apparatus, for finishing or dressing textile fabrics, not otherwise provided for
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- 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
- D06C9/00—Singeing
- D06C9/04—Singeing by contact with heated elements
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L1/00—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods
- D06L1/12—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods using aqueous solvents
- D06L1/16—Multi-step processes
-
- 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
- D06P3/02—Material containing basic nitrogen
- D06P3/04—Material containing basic nitrogen containing amide groups
- D06P3/24—Polyamides; Polyurethanes
Abstract
The invention relates to a dyeing finishing method for enhancing the high color fastness of a nylon four-side stretch fabric, which is finished by weaving warp yarns and weft yarns which are made of nylon elastic core-spun yarns into fabric tissues, and then sequentially carrying out preshrinking, presetting, remixing, dyeing, once rewashing, drying, twice rewashing and setting treatment. Compared with the prior art, the dyed and finished fabric has high color fastness, dye migration can be controlled to the maximum extent, the edge chromatic aberration of the dark color fabric can be stabilized within three levels of the national textile standard, the fabric is soft in elasticity, the finished fabric has high quality and the like.
Description
Technical Field
The invention relates to a fabric dyeing finishing method, in particular to a dyeing finishing method for enhancing the high color fastness of a chinlon four-side stretch fabric.
Background
Along with the improvement of living standard, the demands of people on various articles for daily use are more and more diversified, the cloth is not only limited to the function of shielding the body and avoiding cold, and the cloth has better quality and functional requirements, particularly in the aspects of fashion style and wearing comfort.
Compared with the polyester material, the nylon fabric is comfortable to wear because of better moisture absorption of nylon compared with polyester, and the friction coefficient of nylon is lower, so that the nylon fabric is better in wear resistance and smoother in hand feeling compared with polyester. However, the nylon four-side stretch fabric has poor color fastness and is a big defect that the application of the clothes is restricted. The application of the nylon fabric in the aspect of clothes is more concentrated in the field of sportswear, in recent years, the nylon fabric is developed towards high-denier high elasticity, the wearing comfort degree is further improved, the style is more diversified and fashionable, and the nylon fabric is more and more widely applied in the aspect of fashion, so that the color fastness of the nylon four-side stretch fabric is required to basically reach the degree of polyester fabric, and the improvement of the dyeing process of the nylon four-side stretch fabric is urgently needed.
In the application of high-end fashionable dress brands, due to the fact that nylon is poor in thermal stability and dyeing property, the existing nylon fabric is often subjected to color difference in the middle of dyeing, the color fastness is barely up to the national qualified product standard of textiles, and the national first-class product standard of the textiles cannot be stably achieved.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a dyeing finishing method for enhancing the high color fastness of the nylon four-side stretch fabric.
The purpose of the invention can be realized by the following technical scheme:
a dyeing finishing method for enhancing the high color fastness of nylon four-side stretch fabric is characterized in that warp yarns and weft yarns made of nylon elastic core-spun yarns are woven into fabric tissues, and then preshrinking, presetting, remixing, dyeing, primary rewashing, drying, secondary rewashing and shaping are sequentially carried out, so that the dyeing finishing is completed.
Preferably, the warp yarns and the weft yarns are both 30D nylon elastic core-spun yarns.
Preferably, the preshrinking process specifically comprises the following steps:
and (3) placing the fabric tissue in NaOH alkali liquor, and performing low-temperature pre-shrinking treatment for 90min at 80 ℃, wherein the NaOH alkali liquor is prepared from 30% NaOH alkali liquor and water, and the dosage of the NaOH alkali liquor is 15% owf.
Preferably, the pre-setting process is carried out on a stretching setting machine, and the setting temperature is controlled to be 200 ℃ in the whole setting process, and 5-10% of positive overfeeding is carried out.
Preferably, the remill process specifically comprises the following steps:
and (3) placing the fabric tissue into a remixing liquid added with a detergent and a diffusant, controlling the temperature at 100 ℃, and remixing for 45 ℃. Remove the impurities such as stain, oil stain and sizing agent on the gray cloth, and improve the uniformity and dyeing property of the subsequent dyeing. The types and the dosage of the detergent and the diffusant can be reasonably selected according to impurities such as stains on fabric tissues.
Preferably, in the dyeing process, the dyeing bath ratio is controlled to be 1:20, the pH value is 4-5, water adopted in the dye is softened and reaches the softened water standard, and the dye adopts gold-containing dye (can adopt Ciba acid complex dye, brand Pieris bisporus).
Preferably, the dyeing process specifically comprises the following steps:
putting the fabric into a dye, heating the fabric from 30 ℃ to 130 ℃ at the speed of 0.5 ℃/min, keeping the temperature for 60min, then cooling to 80 ℃ at the speed of 0.8 ℃/min, finally, reducing, cleaning and drying to finish dyeing.
Preferably, the processes of the first backwashing and the second backwashing are both as follows:
the fabric is reduced and cleaned by adopting a reducing agent consisting of sodium hydrosulfite and 30 percent NaOH liquid alkali, so that the loose color is reduced, and the loose color is cleaned after losing the affinity to the fiber, thereby improving the color fastness.
Compared with the prior art, the invention has the following advantages:
(1) compared with the prior art, the method increases two re-washing process flows after dyeing, greatly reduces residual loose color on the surface of the fiber, and improves the color fastness of the fabric. The existing process generally has washing color fastness of 3 grade and bonding color fastness of 3 grade, and by adopting the process flow of the invention, the washing color fastness is more than 4 grade and the bonding color fastness is more than 4 grade, thus reaching the first-grade standard of the national standard of textiles.
(2) In the dyeing process, softened water is adopted, and the pH value is controlled at the same time, so that the phenomenon of dye migration is prevented. Dye migration is a main reason for causing color difference in the edges of the fabric. According to the process requirements of the invention, the dye migration can be controlled to the maximum extent, and the color difference in the middle of the dark color fabric can be stabilized within the third grade of the national textile standard.
(3) According to the presetting process requirement of the invention, 5-10 positive overfeeds are carried out at 200 ℃, so that the condition of insufficient stability of the chinlon four-side stretch fabric can be well controlled, and meanwhile, the elasticity and softness of the fabric can be ensured.
(4) The gold-containing dye with high fastness is adopted, so that the dry and wet color rubbing fastness and the color sticking fastness of the fabric are fundamentally improved, and the color fastness of the fabric is improved.
(5) And a drying procedure is added between the two backwashing processes, so that the dye migration of the semi-finished fabric is well controlled, the color fastness of the fabric is stabilized, and the quality of the finished fabric is improved.
Detailed Description
The present invention will be described in detail with reference to specific examples.
A dyeing finishing method for enhancing the high color fastness of nylon four-side stretch fabric is characterized in that warp yarns and weft yarns made of nylon elastic core-spun yarns are woven into fabric tissues, and then preshrinking, presetting, remixing, dyeing, primary rewashing, drying, secondary rewashing and shaping are sequentially carried out, so that the dyeing finishing is completed.
As a preferred embodiment of the invention, the warp yarns and the weft yarns are both 30D nylon elastic core-spun yarns.
As a preferred embodiment of the present invention, the preshrinking process specifically includes:
and (3) placing the fabric tissue in NaOH alkali liquor, and performing low-temperature pre-shrinking treatment for 90min at 80 ℃, wherein the NaOH alkali liquor is prepared from 30% NaOH alkali liquor and water, and the dosage of the NaOH alkali liquor is 15% owf.
In a preferred embodiment of the present invention, the setting temperature is controlled to 200 ℃ and 5-10% of the normal overfeeding is performed during the pre-setting.
As a preferred embodiment of the present invention, the remill process specifically comprises:
and (3) placing the fabric tissue into a remixing liquid added with a detergent and a diffusant, controlling the temperature at 100 ℃, and remixing for 45 ℃.
In a preferred embodiment of the invention, during dyeing, the dyeing bath ratio is controlled to be 1:20, the pH value is 4-5, water adopted in the dye is softened and reaches the softened water standard, and the dye adopts gold-containing dye (the dye can adopt Ciba acid complex dye, Brand Pieris).
As a preferred embodiment of the present invention, the dyeing process specifically comprises:
putting the fabric into a dye, heating the fabric from 30 ℃ to 130 ℃ at the speed of 0.5 ℃/min, keeping the temperature for 60min, then cooling to 80 ℃ at the speed of 0.8 ℃/min, finally, reducing, cleaning and drying to finish dyeing.
As a preferred embodiment of the invention, the processes of the first backwashing and the second backwashing are both as follows:
the sodium hydrosulfite and 30 percent NaOH liquid alkali are adopted to form a reducing agent for reduction and cleaning, so that the loose color is reduced, the affinity to the fiber is lost, and the fiber is cleaned, thereby improving the color fastness.
Example 1
A dyeing finishing method for enhancing the high color fastness of nylon four-side stretch fabric is characterized in that warp yarns and weft yarns made of nylon elastic core-spun yarns are woven into fabric tissues, and then preshrinking, presetting, remixing, dyeing, primary rewashing, drying, secondary rewashing and shaping are sequentially carried out, so that the dyeing finishing is completed.
In this embodiment, the warp and weft are both 30D nylon elastic core-spun yarns.
The preshrinking process in this embodiment specifically includes:
and (3) placing the fabric tissue in NaOH alkali liquor, and performing low-temperature pre-shrinking treatment for 90min at 80 ℃, wherein the NaOH alkali liquor is prepared from 30% NaOH alkali liquor and water, and the dosage of the NaOH alkali liquor is 15% owf.
In the pre-setting process of this example, the setting temperature was controlled at 200 ℃ and 5-10% of normal overfeeding was performed.
The remill process in this embodiment specifically comprises:
and (3) placing the fabric tissue into a remixing liquid added with a detergent and a diffusant, controlling the temperature at 100 ℃, and remixing for 45 ℃.
In the dyeing process in the embodiment, the dyeing bath ratio is controlled to be 1:20, the pH value is 4-5, water adopted in the dye is softened and reaches the softened water standard, and the dye adopts a gold-containing dye. The dye adopts a Ciba acid complex dye, brand double butterfly)
The dyeing process in the embodiment specifically comprises the following steps:
putting the fabric into a dye, heating the fabric from 30 ℃ to 130 ℃ at the speed of 0.5 ℃/min, keeping the temperature for 60min, then cooling to 80 ℃ at the speed of 0.8 ℃/min, finally, reducing, cleaning and drying to finish dyeing.
In this embodiment, the process of the first backwashing and the second backwashing is:
the sodium hydrosulfite and 30 percent NaOH liquid alkali are adopted to form a reducing agent for reduction and cleaning, so that the fabric is reduced in loose color and cleaned after losing the affinity to the fiber, and the color fastness is improved.
The fabric dyed and finished in the embodiment is tested, the washing color fastness is more than level 4, the bonding color fastness is more than level 4, the color difference is stable within three levels of national textile standards, and the fabric reaches the first-class standard of the national textile standards.
Comparative example 1
Compared with example 1, the same is true except that the water in the dye is not softened during the dyeing finishing process, and the pH is controlled to be alkaline.
The obtained product is tested, and the color difference is extremely large and is basically beyond the third grade of the national textile standard.
Comparative example 2
Compared with the example 1, the method is the same except that two procedures of one-time backwashing and two-time backwashing are not added.
The obtained product has low color fastness after being tested, and has 3-grade color fastness after being washed and 3-grade color fastness after being bonded.
Comparative example 3
Compared with the example 1, the method is the same except that the drying process is not added between the two rewashing processes.
The obtained product is tested, and the color difference is extremely large and is basically beyond the third grade of the national textile standard.
The embodiments described above are described to facilitate an understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention based on the disclosure of the present invention.
Claims (5)
1. A dyeing finishing method for strengthening the high color fastness of nylon four-side stretch fabric is characterized in that after warp yarns and weft yarns made of nylon stretch covering yarns are woven into fabric tissues, the fabric tissues are sequentially preshrinked, preshaped, remilled, dyed, rewashed once, dried, rewashed twice and shaped;
in the dyeing process, the dyeing bath ratio is controlled to be 1:20, the pH value is 4-5, water adopted in the dye is softened and reaches the softened water standard, and the dye adopts gold-containing dye;
the processes of the first backwashing and the second backwashing are as follows:
reducing and cleaning by adopting a reducing agent consisting of sodium hydrosulfite and 30% liquid caustic soda;
the dyeing process specifically comprises the following steps:
putting the fabric into a dye, heating the fabric from 30 ℃ to 130 ℃ at the speed of 0.5 ℃/min, keeping the temperature for 60min, then cooling to 80 ℃ at the speed of 0.8 ℃/min, finally, reducing, cleaning and drying to finish dyeing.
2. The dyeing finishing method for enhancing the high color fastness of the chinlon four-side stretch fabric according to claim 1, characterized in that both the warp yarns and the weft yarns adopt 30D chinlon elastic core-spun yarns.
3. The dyeing finishing method for enhancing the high color fastness of the chinlon four-side stretch fabric according to claim 1 is characterized in that the preshrinking process specifically comprises the following steps:
and (3) placing the fabric tissue in NaOH alkali liquor, and performing low-temperature pre-shrinking treatment for 90min at 80 ℃, wherein the NaOH alkali liquor is prepared from 30% NaOH alkali liquor and water, and the dosage of the NaOH alkali liquor is 15% owf.
4. The dyeing finishing method for enhancing the high color fastness of the chinlon four-side elastic fabric according to claim 1, characterized in that in the pre-setting process, the setting temperature is controlled to be 200 ℃ and 5-10% of normal overfeeding is carried out.
5. The dyeing finishing method for enhancing the high color fastness of the chinlon four-side stretch fabric according to claim 1 is characterized in that the remilling process specifically comprises the following steps:
and (3) placing the fabric tissue into a remixing liquid added with a detergent and a diffusant, controlling the temperature at 100 ℃, and remixing for 45 ℃.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711231082.0A CN107858799B (en) | 2017-11-29 | 2017-11-29 | Dyeing finishing method for enhancing high color fastness of chinlon four-side stretch fabric |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711231082.0A CN107858799B (en) | 2017-11-29 | 2017-11-29 | Dyeing finishing method for enhancing high color fastness of chinlon four-side stretch fabric |
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| CN107858799A CN107858799A (en) | 2018-03-30 |
| CN107858799B true CN107858799B (en) | 2021-04-09 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100848469B1 (en) * | 2006-08-31 | 2008-07-24 | 전상기 | Nylon and Polyester Line dyeing method of division company |
| CN101463526A (en) * | 2007-12-17 | 2009-06-24 | 福建凤竹纺织科技股份有限公司 | Multifunctional knit clothes fabric and technique for producing the same |
| CN105463824A (en) * | 2015-12-03 | 2016-04-06 | 晋江市龙兴隆染织实业有限公司 | Two-way stretch fabric and producing technology thereof |
| CN105696385A (en) * | 2016-01-26 | 2016-06-22 | 杭州天宇印染有限公司 | Dyeing and finishing process for improving color fastness to light of light-colored fabric of FDY (Fully Drawn Yarn) polyester filament yarn warp and weft four-way elastic textile |
| CN105803833A (en) * | 2016-04-27 | 2016-07-27 | 游晟印染(深圳）有限公司 | Technology and device for dying extra dark color on dacron |
-
2017
- 2017-11-29 CN CN201711231082.0A patent/CN107858799B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100848469B1 (en) * | 2006-08-31 | 2008-07-24 | 전상기 | Nylon and Polyester Line dyeing method of division company |
| CN101463526A (en) * | 2007-12-17 | 2009-06-24 | 福建凤竹纺织科技股份有限公司 | Multifunctional knit clothes fabric and technique for producing the same |
| CN105463824A (en) * | 2015-12-03 | 2016-04-06 | 晋江市龙兴隆染织实业有限公司 | Two-way stretch fabric and producing technology thereof |
| CN105696385A (en) * | 2016-01-26 | 2016-06-22 | 杭州天宇印染有限公司 | Dyeing and finishing process for improving color fastness to light of light-colored fabric of FDY (Fully Drawn Yarn) polyester filament yarn warp and weft four-way elastic textile |
| CN105803833A (en) * | 2016-04-27 | 2016-07-27 | 游晟印染(深圳）有限公司 | Technology and device for dying extra dark color on dacron |
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| CN107858799A (en) | 2018-03-30 |
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