CN114592359A - High-fastness short-process dyeing process - Google Patents
High-fastness short-process dyeing process Download PDFInfo
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- CN114592359A CN114592359A CN202210097711.XA CN202210097711A CN114592359A CN 114592359 A CN114592359 A CN 114592359A CN 202210097711 A CN202210097711 A CN 202210097711A CN 114592359 A CN114592359 A CN 114592359A
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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
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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
-
- 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
- D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
- D06P5/02—After-treatment
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Abstract
The invention discloses a high-fastness short-process dyeing process, which comprises the following process steps: (1) preparing a dye solution and an auxiliary agent in a dye vat, heating while stirring, adding the dye solution and the auxiliary agent into a dye vat after heating to a certain temperature, enabling a guide belt to penetrate through a roller, turning on a rolling mill switch, driving a to-be-dyed fabric to be soaked in the dye solution in the dye vat at a certain speed by the guide belt, rolling by the roller, extruding the dye solution into tissue gaps of the to-be-dyed fabric, and removing redundant dye solution to uniformly distribute the dye solution on the fabric; (2) putting the fabric to be dyed treated in the step (1) into a jig dyeing machine, adding a leveling agent, heating to 75-85 ℃, operating for 30-50min, then adding a softening agent, performing softening treatment, and finally taking out and drying. Compared with the conventional rolling washing process, the process has the advantages of short time, high efficiency, energy consumption saving, production cost reduction and improvement on the color fastness of the microfiber.
Description
Technical Field
The invention belongs to the technical field of printing and dyeing, and particularly relates to a high-fastness short-process dyeing process.
Background
The textile industry is the traditional strut industry in China and comprises five parts of textile, printing and dyeing, chemical fiber, clothing, manufacturing of special textile equipment and the like. With the rapid development of national economy, the printing and dyeing industry in China also enters a high-speed development period, equipment and technical levels are obviously improved, and production processes and equipment are continuously updated. The printing and dyeing process refers to a general name of carrying out physical and chemical treatment on various textile materials in the production process, and comprises the processes of pretreatment, dyeing, printing and after-finishing of the textile materials, and the processes are collectively called as the printing and dyeing process. Dyeing is a process in which a dye is chemically or physicochemically bonded to a fiber, or a pigment is chemically formed on the fiber, so that the entire textile has a certain firm color. The printing and dyeing process plays a significant role in the textile industry and is directly related to the comprehensive quality of the fabric.
The conventional pad-wash printing and dyeing process at present has the problems of low fixation stability, long dyeing time and low efficiency.
Disclosure of Invention
Aiming at the problems, the invention provides a high-fastness short-flow dyeing process, which solves the technical problems of long dyeing time, low efficiency and the like in the conventional padding washing process.
In order to achieve the purpose, the invention adopts the technical scheme that:
a high-fastness short-process dyeing process comprises the following process steps:
(1) preparing a dye solution and an auxiliary agent in a dye vat, heating while stirring, adding the dye solution and the auxiliary agent into a dye vat after heating to a certain temperature, enabling a guide belt to penetrate through a roller, turning on a rolling mill switch, driving a to-be-dyed fabric to be soaked in the dye solution in the dye vat at a certain speed by the guide belt, rolling by the roller, extruding the dye solution into tissue gaps of the to-be-dyed fabric, and removing redundant dye solution to uniformly distribute the dye solution on the fabric;
(2) putting the fabric to be dyed treated in the step (1) into a jig dyeing machine, adding a leveling agent to prepare a dye solution, heating to 75-85 ℃, operating for 30-50min, then adding a softening agent, performing softening treatment, and finally taking out and drying.
As a further technical scheme, the auxiliary agent in the step (1) is a light nylon penetrant, and the using amount is 5-9 g/L.
As a further technical scheme, the formula of the dye liquor in the step (1) comprises 8-12g of H-B black/L, RLS yellow 5-8g/L, S-GR brown 2-4g/L and 5-9g/L of light nylon penetrant.
As a further technical scheme, the heating temperature in the step (1) is set to be 30 ℃ or 80 ℃ according to the color depth, the light color is 30 ℃, and the general color is 80 ℃; the dipping speed in the step (1) is 15-25 m/min.
As a further technical scheme, the leveling agent in the step (2) is a nylon leveling agent, and the dosage is 8-12 g/L.
As a further technical scheme, the softening agent in the step (2) is a nylon softening agent, the dosage is 5-10g/L, and the softening treatment time is 10-15 min.
By adopting the technical process, compared with the prior art (the first step of the conventional rolling washing process is the same as the process, and the second step of the conventional rolling washing process is washed for 2-3 hours at 50 ℃), the beneficial effects of the invention are as follows:
1. the process time is short, the efficiency is high, the energy consumption is saved, and the production cost is reduced (the energy consumption and the cost are reduced by at least 50%);
2. and the color fastness of the microfiber is improved.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Aiming at the problems of long dyeing time, low efficiency and the like in the prior art (conventional padding washing process), the invention aims to provide a high-fastness short-flow dyeing process to solve the technical problems.
Example 1
A high-fastness short-process dyeing process comprises the following process steps:
the first step is as follows: the dye liquor and an auxiliary agent 5A2 (light nylon penetrant) are mixed in a dye vat of a mixture according to a sample formula (H-B black 10g/L RLS yellow 6.2g/L S-GR brown 2.4 g/L5A 27 g/L), the mixture is heated while stirring to 30 ℃ (light color 30 ℃) and added into a dye vat, a guide belt passes through a roller, a switch of the rolling mill is turned on, the guide belt can carry the super-fiber raw machine to dip the dye liquor in the dye vat for a short time (20 m/min speed), then the roller is used for rolling, the dye liquor is squeezed into tissue gaps of the super-fiber raw machine, and the redundant dye liquor is removed, so that the dye is uniformly distributed on the fabric.
The second step is that: and (2) putting the treated microfiber into a jig dyeing machine, adding a leveling agent 5B1 (a nylon leveling agent 10 g/L), operating at 80 ℃ for 40 minutes to move dyes attached to PU to PA so as to achieve the same color effect of PU/PA and improve the color fastness, adding a softening agent 5C1 (a nylon softening agent 8 g/L) to perform softening treatment (softening at normal temperature for 10 minutes) to enable the microfiber to be softer in touch, and finally taking out and drying the microfiber.
Example 2
A high-fastness short-process dyeing process comprises the following process steps:
the first step is as follows: the dye liquor and an auxiliary agent 5A2 (light nylon penetrant) are prepared in a dye vat of a batching according to a sample formula (H-B black 12g/L RLS yellow 5g/L S-GR brown 2 g/L5A 29 g/L), the mixture is stirred and heated to 80 ℃ (common color is 80 ℃), the mixture is added into a dye vat, a guide belt passes through a roller, a switch of a rolling mill is turned on, the guide belt can carry a super-fiber machine to dip the dye liquor in the dye vat for a short time (at the speed of 15 m/min), then the roller is used for rolling, the dye liquor is squeezed into tissue gaps of the super-fiber machine, and the redundant dye liquor is removed, so that the dye is uniformly distributed on the fabric.
The second step is that: and (2) putting the treated microfiber into a jig dyeing machine, adding a leveling agent 5B1 (12 g/L nylon leveling agent), operating at 85 ℃ for 50 minutes to move dyes attached to PU to PA so as to achieve the same color effect of PU/PA and improve the color fastness, adding a softening agent 5C1 (10 g/L nylon softening agent) to perform softening treatment (softening at normal temperature for 15 minutes) to make the microfiber have softer touch, and finally taking out and drying the microfiber.
Example 3
A high-fastness short-process dyeing process comprises the following process steps:
the first step is as follows: the dye liquor and an auxiliary agent 5A2 (light nylon penetrant) are prepared in a dye vat of a batching according to a small sample formula (H-B black 8g/L RLS yellow 8g/L S-GR brown 4 g/L5A 25 g/L), the mixture is stirred and heated at the same time, the mixture is heated to 30 ℃ (30 ℃), the mixture is added into a dye vat, a guide belt passes through a roller, a switch of a rolling mill is turned on, the guide belt can carry the super-fiber machine to dip the dye liquor in the dye vat for a short time (at the speed of 25 m/min), then the roller is used for rolling, the dye liquor is squeezed into tissue gaps of the super-fiber machine, and the redundant dye liquor is removed, so that the dye is uniformly distributed on the fabric.
The second step is that: and (2) putting the treated microfiber into a jig dyeing machine, adding a leveling agent 5B1 (8 g/L nylon leveling agent), operating at 75 ℃ for 35 minutes to move dyes attached to PU to PA, achieving the same color effect of PU/PA and improving the color fastness, adding a softening agent 5C1 (5 g/L nylon softening agent) to perform softening treatment (softening at normal temperature for 10 minutes) to make the microfiber touch softer, and finally taking out and drying the microfiber.
The color fastness comparison of the process of the invention and the conventional rolling washing process (the first step of the conventional rolling washing process is the same as the process, and the second step of the conventional rolling washing process is washed with water at 50 ℃ for 2-3 hours) is shown in the following table:
wherein the test standards of each parameter are as follows:
and (3) determining dry rubbing color fastness:
and (3) determining the dry rubbing fastness of the sample to be tested by referring to GB/T3920-2008 'color fastness to rubbing' of textile color fastness test, and grading by using a gray sample card after the test is finished.
And (3) measuring wet rubbing color fastness:
the dry rubbing cloth is wetted (the water content is required to reach 95 to 105 percent). The other methods are consistent with the dry rubbing color fastness determination method. And grading by using a grey sample card after the test is finished.
And (3) measuring the color fastness to perspiration:
according to GB/T3922-2013 color fastness to perspiration wash of textile color fastness test, a cut fabric sample is 40mm multiplied by 100mm in size, is attached to a single-fiber attached lining fabric (front nylon and back cotton) with the size of 40mm multiplied by 100mm, and is sewn along a short edge to form a combined sample. Immersing in acid/alkali test solution, squeezing to remove water, placing between two flat plates of a test device (stainless steel frame, base and spring pressing plate), bearing a predetermined pressure (12.5 kPa + -0.9 kPa), and placing in an oven (at 37 deg.C + -2 deg.C for 4 hours). The sample and the lining fabric were dried separately and the discoloration of the sample and the staining of the lining fabric were evaluated with a gray sample card or a spectrophotometer.
Acid test solution: 0.5g of L-histidine hydrochloride monohydrate, 5g of sodium chloride and 5g of disodium hydrogen phosphate dodecahydrate, and the pH value of the test solution is adjusted to 8.0 +/-0.2 by using 0.1mol/L of sodium hydroxide solution.
Alkaline test solution: 0.5g of L-histidine hydrochloride monohydrate, 5g of sodium chloride and 2.2g of sodium dihydrogen phosphate dihydrate, and the pH value of the test solution is adjusted to 5.5 +/-0.2 by using 0.1mol/L sodium hydroxide solution.
And (3) soaping color fastness determination:
according to GB/T3921-2008 'soaping color fastness resistance of textile color fastness test', the size of a cut fabric sample is 40mm multiplied by 100mm, the front surface of the cut fabric sample is attached to a standard wool lining fabric with the size of 40mm multiplied by 100mm, and the cut fabric sample is sewn along one short edge to form a combined sample. The soap solution concentration is 5g/L, and the bath ratio is 1: 50.
Placing the combined sample into a specified container, adding the prepared reagent, tightly covering the container, placing the container into a color fastness to washing tester, preheating, and starting an instrument at 40 ℃ for processing for 30 min. After the treatment, the sample was taken out, washed and dried as specified. Finally, a gray sample card is used for staining.
And (3) measuring color fastness to washing:
according to GB/T5713-2013 'color fastness to washing of textile color fastness test', the size of a cut fabric sample is 40mm multiplied by 100mm, the cut fabric sample is attached to a single-fiber attached lining fabric (front nylon and back cotton) with the size of 40mm multiplied by 100mm, and the single-fiber attached lining fabric is sewn along one short edge to form a combined sample. Immersing in water, squeezing to remove water, placing between two flat plates of a test device (stainless steel frame, base and spring pressure plate), bearing a specified pressure (12.5 kPa +/-0.9 kPa), and placing in an oven (temperature 37 +/-2 ℃ for 4 hours). The sample and the lining fabric were dried separately and the discoloration of the sample and the staining of the lining fabric were evaluated with a gray sample card or a spectrophotometer.
Claims (6)
1. A high-fastness short-process dyeing process is characterized by comprising the following process steps:
(1) preparing a dye solution and an auxiliary agent in a dye vat, heating while stirring, adding the dye solution and the auxiliary agent into a dye vat after heating to a certain temperature, enabling a guide belt to penetrate through a roller, turning on a rolling mill switch, driving a to-be-dyed fabric to be soaked in the dye solution in the dye vat at a certain speed by the guide belt, rolling by the roller, extruding the dye solution into tissue gaps of the to-be-dyed fabric, and removing redundant dye solution to uniformly distribute the dye solution on the fabric;
(2) putting the fabric to be dyed treated in the step (1) into a jig dyeing machine, adding a leveling agent to prepare a dye solution, heating to 75-85 ℃, operating for 30-50min, then adding a softening agent, performing softening treatment, and finally taking out and drying.
2. The high-fastness short-process dyeing process according to claim 1, characterized in that the assistant in step (1) is a light nylon penetrant, and the dosage is 5-9 g/L.
3. The dyeing process with high fastness and short flow according to claim 2, characterized in that the formula of the dye liquor in the step (1) is H-B black 8-12g/L, RLS yellow 5-8g/L, S-GR brown 2-4g/L and light nylon penetrant 5-9 g/L.
4. The high-fastness short-process dyeing process according to claim 1, characterized in that the heating temperature in the step (1) is set to be 30 ℃ or 80 ℃ according to the shade of the color, the light color is 30 ℃, and the general color is 80 ℃; the dipping speed in the step (1) is 15-25 m/min.
5. The high-fastness short-process dyeing process according to claim 1, characterized in that the leveling agent in the step (2) is a nylon leveling agent, and the dosage is 8-12 g/L.
6. The high-fastness short-process dyeing process according to claim 1, characterized in that in the step (2), the softening agent is nylon softening agent, the dosage is 5-10g/L, and the softening treatment time is 10-15 min.
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| CN202210097711.XA CN114592359A (en) | 2022-01-27 | 2022-01-27 | High-fastness short-process dyeing process |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102140766A (en) * | 2011-01-26 | 2011-08-03 | 河南工程学院 | Fabric pigment dyeing and roll-drying resist-dyeing process |
| WO2017016001A1 (en) * | 2015-07-27 | 2017-02-02 | 南通德贝尔工贸有限公司 | Process for dyeing and finishing light nylon woven fabric |
| CN113930982A (en) * | 2021-11-24 | 2022-01-14 | 鲁丰织染有限公司 | Disperse/reactive dye one-bath dyeing process for polyester-cotton dark fabric |
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- 2022-01-27 CN CN202210097711.XA patent/CN114592359A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102140766A (en) * | 2011-01-26 | 2011-08-03 | 河南工程学院 | Fabric pigment dyeing and roll-drying resist-dyeing process |
| WO2017016001A1 (en) * | 2015-07-27 | 2017-02-02 | 南通德贝尔工贸有限公司 | Process for dyeing and finishing light nylon woven fabric |
| CN113930982A (en) * | 2021-11-24 | 2022-01-14 | 鲁丰织染有限公司 | Disperse/reactive dye one-bath dyeing process for polyester-cotton dark fabric |
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