CN111996822A - Finishing method for effectively reducing dyeing difference of chinlon - Google Patents
Finishing method for effectively reducing dyeing difference of chinlon Download PDFInfo
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- CN111996822A CN111996822A CN202010952476.0A CN202010952476A CN111996822A CN 111996822 A CN111996822 A CN 111996822A CN 202010952476 A CN202010952476 A CN 202010952476A CN 111996822 A CN111996822 A CN 111996822A
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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
- D06P3/02—Material containing basic nitrogen
- D06P3/04—Material containing basic nitrogen containing amide groups
- D06P3/24—Polyamides; Polyurethanes
- D06P3/241—Polyamides; Polyurethanes using acid dyes
-
- 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
- D06B3/28—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics propelled by, or with the aid of, jets of the treating material
-
- 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
- D06P1/0032—Determining dye recipes and dyeing parameters; Colour matching or monitoring
-
- 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
- D06P1/39—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 acid dyes
-
- 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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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Coloring (AREA)
Abstract
The invention provides a finishing method for effectively reducing dyeing difference of chinlon, which is characterized in that an oil removing agent DM-1119N is used for removing oil, a mixed working solution of a dye, an acid releasing agent and an acidic levelling agent is used for dyeing the oil-removed fabric, and the dyeing process of the chinlon fabric is subjected to cylinder difference, piece difference and left-middle-right color difference repair of the same piece of cloth. The invention prevents dyeing difference of the nylon fabric in the dyeing process and prevents dyeing defects, color spots and color spots of the nylon fabric in the dyeing process by a combined process of oil removal and dyeing.
Description
Technical Field
The invention relates to the technical field of cloth dyeing and finishing, in particular to a finishing method for effectively reducing dyeing difference of chinlon.
Background
Chinlon is a main variety of synthetic fiber, and the yield of chinlon in China accounts for about 70 percent of the world. The nylon fiber has the advantages of good wear resistance and elasticity, high strength and extensibility, small relative density, mildew resistance and the like. The nylon fiber is used in high-grade female underwear, swimwear and sports wear, the dyeing uniformity of the nylon fabric directly influences the product rate such as the appearance, the grade, the quality and the like of finished products, and the economic benefit of manufacturers is influenced.
According to the inquiry, no scheme for solving a series of problems of poor nylon fabric quality, poor cylinder quality, colored patterns, colored points and the like is disclosed at present, and once the problems are solved, no corresponding repair scheme exists, the processed products can be directly changed into waste products, and the cost loss is caused.
Disclosure of Invention
The invention aims to provide a finishing method for effectively reducing nylon dyeing difference, which can reduce the color yield difference (warp willow and weft stop) of one-bath dyeing between different nylon yarns, and can also reduce the color yield difference of different nylon fabrics in the same dyeing machine and the color yield difference of the left part, the middle part and the right part of the same nylon fabric; 4. the chinlon fabric with colored patterns in the dyeing process can be reprocessed into the fabric with uniform surface color, so that the economic loss is reduced, and the defects of the prior art are overcome.
The technical scheme for solving the technical problem is as follows: a finishing method for effectively reducing dyeing difference of chinlon is characterized by comprising the following steps:
(1) providing a piece of white nylon fabric,
(2) oil removal is carried out by adopting an oil removal agent DM-1119N,
1-2 g/L of degreasing agent DM-1119N
Treating in a dye vat at a bath ratio of 1: 8-10, raising the temperature at the speed of 1 ℃/min, treating at 98 ℃ for 30-40 min, taking out of the vat, washing with water at normal temperature, and dehydrating;
(3) dyeing the oil-removed fabric by adopting a working solution mixed by a dye, an acid releasing agent and an acidic leveling agent;
the working solution comprises an acidic dye, an acidic leveling agent and an acid releasing agent:
acid dye X%
Acid levelling agent DM-2203H Y%
Acid releasing agent DM-2721G K%
100% -X% -Y% -K% of water
Wherein, the range of X% is 0.3-4.0%, the range of Y% is 0.2-0.8%, and the range of K% is 0.5-1.0%;
the dyeing method comprises the following steps: dyeing in a jet overflow dyeing machine at a bath ratio of 1: 8-10, heating at a speed of 0.5-1 ℃/min, treating at 98 ℃ for 30 min, taking out of a cylinder, washing with water at normal temperature, and drying;
(4) the cylinder difference, piece difference and left-middle-right color difference repair scheme of the same piece of cloth occur in the dyeing process of the nylon fabric:
an acid leveling agent DM-2203H M percent,
98 %HAc N % ，
100% -M% -N% of water;
wherein, the range of M% is 0.5-2.0%, and the range of N% is 0.3-0.6%.
The finishing method is characterized by comprising the following steps: the repair method in the step (4) comprises the following steps: treating in a jet overflow dyeing machine, wherein the bath ratio is 1: 8-10, the temperature is increased at the speed of 0.5-1 ℃/min, the treatment is carried out at 98 ℃ for 30-60 min, and the obtained product is taken out of a cylinder, washed with water at normal temperature and dried.
The invention has the beneficial effects that:
the finishing process only needs to adjust the dyeing auxiliary agent, does not need to additionally increase the equipment cost, is convenient to operate, does not influence the hand feeling and the color light of the fabric, and does not pollute the environment.
The invention prevents dyeing difference of the nylon fabric in the dyeing process and prevents dyeing defects, color spots and color spots of the nylon fabric in the dyeing process by a combined process of oil removal and dyeing. If cylinder difference, piece difference and color difference occur in the dyeing process of the nylon fabric due to improper operation, the invention provides a repair method, and provides an effective finishing method for improving the application value of the nylon fabric. Therefore, the invention has the beneficial effects that:
(1) and oil is fully removed, and colored patterns, colored spots and colored spots are prevented in the dyeing process. The oil content of the nylon grey cloth is large, oligomers are easy to agglomerate with dye molecules to cause color spots, color spots and color spots, and if oil stains on the fabric are not completely treated, the oligomers can be dissociated in the dyeing process to cause the problems of color spots, color spots and color spots. For the fabric with high spandex content, because the oil agent on the spandex is dimethyl silicone oil, the oil agent is difficult to emulsify and remove, and dyeing defects caused by insufficient oil removal are more easily generated. The oil removing agent DM-1119N has good removal effect on various oil agents and impurities on the fabric, has excellent emulsifying capacity and dispersion effect, is easy to emulsify and disperse the oil agents on the fabric in working solution, can also effectively prevent the oil agents and the impurities in the working solution from causing contamination return to the fabric and equipment, reduces the repair probability of the textile, increases the one-time success rate of dyeing and finishing processing, and avoids unnecessary loss.
(2) Prevent color bloom, vat error and piece error in the dyeing process. Acid leveling agent DM-2203H: is a cationic surfactant, has excellent migration property and slow dyeing property, and can ensure that dyed fabrics obtain uniform dyeing effect. At the beginning of dyeing, a relatively loose anion-cation association body is formed with the acid dye, the dyeing speed of the dye is slowed down due to the increase of molecules, and at the later stage of dyeing, the association body is gradually dissociated, so that the dye is gradually dyed on fibers, and the final color yield of the fabric is not influenced; an acid releasing agent DM-2721G: the pH value of the dye bath is an important factor influencing dye-uptake, and H + is combined with amino-NH 2 on the nylon fiber macromolecules to form positively charged-NH 3+, so that dye-uptake of negatively charged dyes is promoted. When the nylon fabric is dyed with medium and light colors, if the pH value of a dye bath is lower at the initial dyeing stage, the dye can be quickly dyed, and defects such as dyeing defects and the like are easily generated. Therefore, it is very important and necessary to control the pH of the dye bath. With the rising of the dyeing temperature and the prolonging of the time, the acid releasing agent DM-2721G is slowly hydrolyzed to gradually release H +, so that the pH value of the dye bath can be effectively controlled, the pH value of the dye bath is slowly reduced, the dyeing rate of the dye is delayed, and the generation of dyeing defects, piece difference and vat difference is prevented.
(3) The equipment cost is not increased, and the industrialization is easy to realize. The finishing method of the invention has no special requirements on the used dyeing machine, can be operated by using a jet overflow dyeing machine, a common overflow dyeing machine and other normal temperature dyeing equipment which are commonly used in a printing and dyeing mill, and has simple process, easy operation and easy realization of industrialization.
(4) The economic benefit is considerable. The nylon fabric has wide application, is used for clothes and ornaments such as high-grade underwear, swimwear, sportswear and the like, prevents various dyeing flaws from being generated in the dyeing process, and can improve the production efficiency and the product quality, reduce the economic loss and improve the economic benefit.
(5) And the rejection rate is reduced. If the problems of cylinder difference, piece difference, left-middle-right color difference, color flower, color stain, color spot and the like of the nylon fabric occur in the dyeing process due to improper operation, the dyeing and repair scheme of the nylon fabric provided by the invention can obviously reduce the rejection rate and effectively avoid waste.
(6) Reducing the environmental pollution. The traditional printing and dyeing industry is taken as a high-pollution industry, and the ecological environment is seriously influenced. With the increasing enhancement of environmental protection and ecological consciousness of people, the printing and dyeing industry strives to develop new processes and optimize the traditional processes all the time, and the finishing method can effectively reduce environmental pollution and meet the requirements of people on the ecological environment protection at present.
Detailed Description
The following detailed description of embodiments of the invention is intended to be illustrative, but not limiting, of the invention.
The finishing method for effectively reducing the dyeing difference of chinlon comprises the following steps:
(1) providing a piece of white nylon fabric.
(2) Oil removal is carried out by adopting an oil removal agent DM-1119N. The oil remover DM-1119N can be purchased from the market.
1-2 g/L of degreasing agent DM-1119N, treating in a dye vat at a bath ratio of 1: 8-10, raising the temperature at the speed of 1 ℃/min, treating at 98 ℃ for 30-40 min, taking out of the dye vat, washing with water at normal temperature, and dehydrating.
(3) And dyeing the oil-removed fabric by adopting a working solution prepared by mixing a dye, an acid releasing agent and an acidic leveling agent.
The working solution comprises an acidic dye, an acidic leveling agent and an acid releasing agent:
acid dye X% (o.w.f)
Acid leveling agent DM-2203H Y% (o.w.f)
Acid releasing agent DM-2721G K% (o.w.f)
Water 100% -X% -Y% -K% (o.w.f)
Wherein, the range of X% is 0.3-4.0% (o.w.f), the range of Y% is 0.2-0.8% (o.w.f), and the range of K% is 0.5-1.0% (o.w.f).
The dyeing method comprises the following steps:
dyeing in a jet overflow dyeing machine, wherein the bath ratio is 1: 8-10, the temperature is increased at the speed of 0.5-1 ℃/min, the treatment is carried out at 98 ℃ for 30 min, the dyeing is carried out after the dyeing is taken out of a cylinder, and the dyeing is carried out at normal temperature through water washing and drying.
(4) The cylinder difference, piece difference and left-middle-right color difference repair scheme of the same piece of cloth occur in the dyeing process of the nylon fabric:
acid leveling agent DM-2203H M% (o.w.f)
98 %HAc N %（o.w.f），
Water 100% -M% -N% (o.w.f)
Wherein, the range of M% is 0.5-2.0% (o.w.f), and the range of N% is 0.3-0.6% (o.w.f).
The repair method comprises the following steps: treating in a jet overflow dyeing machine, wherein the bath ratio is 1: 8-10, the temperature is increased at the speed of 0.5-1 ℃/min, the treatment is carried out at 98 ℃ for 30-60 min, and the obtained product is taken out of a cylinder, washed with water at normal temperature and dried.
The invention is illustrated below in three examples.
The first embodiment is as follows: n70/70 turquoise blue nylon yoga sports body shaping fabric dyeing
(1) Oil removal
DM-1119N 2 g/L
The preparation method comprises heating in a jet overflow dyeing machine at a bath ratio of 1:10 at a speed of 1 deg.C/min, treating at 98 deg.C for 30 min, washing with water, and dewatering. And (5) waiting for dyeing.
(2) Dyeing process
Acid turquoise blue F-5G 0.58% (o.w.f)
Acid leveling agent DM-2203H 0.6% (o.w.f)
Acid releasing agent DM-2721G 0.5% (o.w.f)
The dyeing is carried out in a jet overflow dyeing machine with a bath ratio of 1:10, the temperature is raised at the speed of 1 ℃/min, the dyeing is carried out for 30 min at the temperature of 98 ℃, the dyeing is taken out of a vat, and the dyeing is carried out by washing with water at normal temperature and drying.
The turquoise blue yoga fabric is observed to have uniform color on the surface, no color points or color flowers are generated, and the left, middle and right sides of the fabric have no color difference and have no cylinder difference or piece difference.
Example two: 82X 18 rose chinlon swimsuit fabric large-area colored pattern post-repair
Acid leveling agent DM-2203H 2% (o.w.f)
98 %HAc 0.5 %（o.w.f）
Heating in a jet overflow dyeing machine at a bath ratio of 1:10 at a speed of 1 ℃/min, treating at 98 ℃ for 30 min, taking out of a jar, washing with water at normal temperature, and drying.
The color and the luster of the cloth surface are observed to be even after the repair, and the color and the luster are pure.
Example three: surface color stain and color point repair of 40D gray chinlon matte lycra swimming cloth
Acid leveling agent DM-2203H 1.5% (o.w.f)
98 %HAc 0.3 %（o.w.f）
Heating in a jet overflow dyeing machine at a bath ratio of 1:10 at a speed of 1 ℃/min, treating at 98 ℃ for 30 min, taking out of a jar, washing with water at normal temperature, and drying.
And observing that the color of the fabric is uniform after the fabric is taken out of the vat, and the phenomena of color spots and color spots are avoided.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.
Claims (2)
1. A finishing method for effectively reducing dyeing difference of chinlon is characterized by comprising the following steps:
(1) providing a piece of white nylon fabric,
(2) oil removal is carried out by adopting an oil removal agent DM-1119N,
1-2 g/L of degreasing agent DM-1119N
Treating in a dye vat at a bath ratio of 1: 8-10, raising the temperature at the speed of 1 ℃/min, treating at 98 ℃ for 30-40 min, taking out of the vat, washing with water at normal temperature, and dehydrating;
(3) dyeing the oil-removed fabric by adopting a working solution mixed by a dye, an acid releasing agent and an acidic leveling agent;
the working solution comprises an acidic dye, an acidic leveling agent and an acid releasing agent:
acid dye X%
Acid levelling agent DM-2203H Y%
Acid releasing agent DM-2721G K%
100% -X% -Y% -K% of water
Wherein, the range of X% is 0.3-4.0%, the range of Y% is 0.2-0.8%, and the range of K% is 0.5-1.0%;
the dyeing method comprises the following steps: dyeing in a jet overflow dyeing machine at a bath ratio of 1: 8-10, heating at a speed of 0.5-1 ℃/min, treating at 98 ℃ for 30 min, taking out of a cylinder, washing with water at normal temperature, and drying;
(4) the cylinder difference, piece difference and left-middle-right color difference repair scheme of the same piece of cloth occur in the dyeing process of the nylon fabric:
an acid leveling agent DM-2203H M percent,
98 %HAc N % ，
100% -M% -N% of water;
wherein, the range of M% is 0.5-2.0%, and the range of N% is 0.3-0.6%.
2. The finishing process according to claim 1, characterized in that: the repair method in the step (4) comprises the following steps: treating in a jet overflow dyeing machine, wherein the bath ratio is 1: 8-10, the temperature is increased at the speed of 0.5-1 ℃/min, the treatment is carried out at 98 ℃ for 30-60 min, and the obtained product is taken out of a cylinder, washed with water at normal temperature and dried.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010952476.0A CN111996822A (en) | 2020-09-11 | 2020-09-11 | Finishing method for effectively reducing dyeing difference of chinlon |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010952476.0A CN111996822A (en) | 2020-09-11 | 2020-09-11 | Finishing method for effectively reducing dyeing difference of chinlon |
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| CN111996822A true CN111996822A (en) | 2020-11-27 |
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| CN202010952476.0A Pending CN111996822A (en) | 2020-09-11 | 2020-09-11 | Finishing method for effectively reducing dyeing difference of chinlon |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112853574A (en) * | 2021-02-05 | 2021-05-28 | 淄博大染坊丝绸集团有限公司 | Warp-willow prevention screening method and application of real silk fabric |
| CN114318907A (en) * | 2022-03-03 | 2022-04-12 | 福建省晋江新德美化工有限公司 | Method for removing color-fixing spots and oil spots of cotton fabrics and nylon fabrics |
| CN115559133A (en) * | 2022-10-21 | 2023-01-03 | 福建省新宏港纺织科技有限公司 | Dyeing method of nylon 66 knitted fabric |
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Application publication date: 20201127 |