阅读说明：本技术 一种多组分贾卡材料一浴法多色染色方法 (Multi-component jacquard material one-bath process multicolor dyeing method ) 是由 李满武 熊于胜 吴茂生 乔军良 肖德山 苏杉银 于 2021-08-23 设计创作，主要内容包括：本发明涉及纺织染整技术领域,具体指一种多组分贾卡材料一浴法多色染色方法,包括以下步骤：识别纤维对染料竞染特性,以阳离子染料设计上染阳离子纤维且颜色最深、酸性染料设计上染锦纶纤维且颜色次之、分散染料设计上染涤纶纤维且颜色最浅；常温下染缸进水进贾卡材料后,逐一加入助剂：缓冲酸、分散匀染剂、同浴去油剂、酸性匀染剂、元明粉,并调节染液pH值3.5-4.5；将染料逐一化料加入染缸中进行升温、保温的染色,染色结束后,匀速降温并取样对样；而后进行水洗和后处理。本发明通过识别纤维对染料竞染特性,合理选择颜色设计,通过一浴法染色工艺实现贾卡材料颜色多维性和立体感,符合清洁生产,实现节能降耗减排要求,同时节省生产成本。(The invention relates to the technical field of textile dyeing and finishing, in particular to a multi-component jacquard material one-bath process multi-color dyeing method, which comprises the following steps: identifying the dye competitive dyeing characteristics of the fiber, designing and dyeing cationic fiber with the cationic dye and having the darkest color, designing and dyeing polyamide fiber with the acid dye and having the second color, designing and dyeing polyester fiber with the disperse dye and having the lightest color; after water enters the jacquard material in the dye vat at normal temperature, adding the auxiliary agents one by one: buffer acid, a dispersing leveling agent, a one-bath degreaser, an acidic leveling agent and anhydrous sodium sulphate, and adjusting the pH value of a dye solution to 3.5-4.5; the method comprises the following steps of (1) melting dyes one by one, adding the dyes into a dye vat for heating and heat preservation dyeing, after dyeing is finished, cooling at a constant speed, sampling and aligning; then water washing and post-treatment are carried out. According to the invention, the dye competitive dyeing characteristics of the fibers are identified, the color design is reasonably selected, and the jacquard material is multi-dimensional and stereoscopic in color through a one-bath dyeing process, so that the jacquard material accords with clean production, the requirements of energy conservation, consumption reduction and emission reduction are met, and the production cost is saved.)

1. A multi-component jacquard material one-bath process multicolor dyeing method is characterized in that: the knitting yarn of the multi-component jacquard material comprises terylene, chinlon and cationic terylene, and the dyeing method comprises the following steps:

the method comprises the following steps: identifying the dye competitive dyeing characteristics of the fiber, designing and dyeing cationic fiber with the cationic dye and having the darkest color, designing and dyeing polyamide fiber with the acid dye and having the second color, designing and dyeing polyester fiber with the disperse dye and having the lightest color;

step two: after water enters the jacquard material in the dye vat at normal temperature, adding the auxiliary agents one by one: buffer acid, a dispersing leveling agent, a one-bath degreaser, an acidic leveling agent and anhydrous sodium sulphate, and adjusting the pH value of a dye solution to 3.5-4.5;

step three: the acid dye, the cationic dye and the disperse dye are added into a dye vat one by one for heating and heat preservation dyeing, and after dyeing is finished, the temperature is reduced at a constant speed, and sampling and sample matching are carried out;

step four: discharging the dye liquor, washing the multi-component jacquard material with water, and then discharging the liquor;

step five: adding an after-finishing agent into the dye vat, carrying out after-treatment on the multi-component jacquard material, then draining liquid, washing with water and drying.

2. The one-bath multicolor dyeing method of the multi-component jacquard material according to claim 1, characterized in that: the method for identifying the dye competitive dyeing characteristics of the fibers is to dye a multi-component jacquard material by using disperse dyes, acid dyes and cationic dyes of the same color respectively, test the dyeing conditions of the disperse dyes on the chinlon and the cationic terylene, the dyeing conditions of the acid dyes on the terylene and the cationic terylene and the dyeing conditions of the cationic dyes on the terylene and the chinlon in each dyed multi-component jacquard material, and design the weaving configuration mode of the terylene, the chinlon and the cationic terylene in the multi-component jacquard material to be consistent with the design of the dyeing process.

3. The one-bath multicolor dyeing method of the multi-component jacquard material according to claim 1, characterized in that: and in the third step, after the dye is added, the operation is carried out for 5-10min so as to ensure that the dye liquor is uniform and fully soaks the multi-component jacquard material.

4. The one-bath multicolor dyeing method of the multi-component jacquard material according to claim 1, characterized in that: the buffer acid is a compound agent of glacial acetic acid and sodium acetate.

5. The one-bath multicolor dyeing method of the multi-component jacquard material according to claim 1, characterized in that: the mass fraction of each auxiliary agent in the step two is as follows: buffer acid Z1081.5%, disperse leveling agent Z126: 0.5%, one-bath degreaser: 1%, acidic leveling agent Z12: 1 percent of anhydrous sodium sulphate Z40:3 percent, wherein the buffer acid Z108 comprises 1.0 percent of glacial acetic acid and 0.5 percent of sodium acetate.

6. The one-bath multicolor dyeing method of the multi-component jacquard material according to claim 1, characterized in that: in the third step, the dyeing process comprises three stages which are respectively: the first stage is to heat up to 80 ℃ at a rate of 1.0-1.5 ℃/min and preserve heat for 10-15min, the second stage is to heat up to 120-125 ℃ at a rate of 1.2-1.8 ℃/min and preserve heat for 30-40min, and the third stage is to cool down to 70-80 ℃ at a rate of 1.5-2.0 ℃/min and sample and color matching.

7. The one-bath multicolor dyeing method of the multi-component jacquard material according to claim 1, characterized in that: in the third step, the dosage of each dye is as follows: cationic dye DR 04: 0.009% (o.w.f), cationic dye DY 02: 0.4% (o.w.f); acid dye SY 10: 0.38% (o.w.f), acid dye SB 19: 0.0036% (o.w.f); disperse dye FY 28: 0.08% (o.w.f), disperse dye FY 30: 0.048% (o.w.f).

8. The one-bath multicolor dyeing method of the multi-component jacquard material according to claim 1, characterized in that: in the fifth step, the after-finishing agent is a color fixing agent.

9. The one-bath multicolor dyeing method of the multi-component jacquard material according to claim 8, characterized in that: in the fifth step, the after-finishing process is as follows: adding 2g/L of color fixing agent into the dye vat, and keeping the temperature at 75 ℃ for 20 min.

10. A method of multi-component jacquard material multi-colour dyeing in one bath according to any of claims 1-9, characterized in that: dyeing bath ratio of 1: 10.

Technical Field

The invention relates to the technical field of textile dyeing and finishing, in particular to a multi-component jacquard material one-bath process multi-color dyeing method.

Background

Jacquard shoe uppers woven by multi-component yarns interwoven by chinlon, cationic terylene and terylene yarns are more and more popular with market consumers, and the terylene is usually dyed by disperse dyes in the dyeing and finishing process of the jacquard shoe uppers; the chinlon can be dyed by acid dye or disperse dye; the cation modified terylene can be dyed by cation dye and can also be dyed by disperse dye. At present, a two-bath two-step dyeing method is generally adopted in a dyeing factory for dyeing, but the process is long, the time and the energy are consumed, the production efficiency is low, the cost is high, the two-bath dyeing method is easy to interfere with each other, the problem that different fibers compete to dye the same dye is caused, especially for multi-component multi-color dyeing, the serious staining condition is caused, the color light is changed due to staining when the color is dyed, and certain trouble is brought to the production.

The dye characteristics are identified, the color design is reasonably selected, the cationic dye, the acid dye and the disperse dye are dyed into various colors by one-bath method, the multi-dimensional property and the stereoscopic impression of the jacquard material are improved, and the problems of clean production, energy conservation, consumption reduction and emission reduction are solved.

Disclosure of Invention

In order to solve the technical problems, the invention provides a multi-component jacquard material one-bath process multi-color dyeing method, wherein weaving yarns of the multi-component jacquard material comprise terylene, chinlon and cationic terylene, the dyeing method is especially used for dyeing the three yarns in different colors, and the dyeing method comprises the following steps:

the method comprises the following steps: identifying the dye competitive dyeing characteristics of the fiber, designing and dyeing cationic fiber with the cationic dye and having the darkest color, designing and dyeing polyamide fiber with the acid dye and having the second color, designing and dyeing polyester fiber with the disperse dye and having the lightest color;

step two: after water enters the jacquard material in the dye vat at normal temperature, adding the auxiliary agents one by one: buffer acid, a dispersing leveling agent, a one-bath degreaser, an acidic leveling agent and anhydrous sodium sulphate, and adjusting the pH value of a dye solution to 3.5-4.5;

step three: the acid dye, the cationic dye and the disperse dye are added into a dye vat one by one for heating and heat preservation dyeing, and after dyeing is finished, the temperature is reduced at a constant speed, and sampling and sample matching are carried out;

step four: discharging the dye liquor, washing the multi-component jacquard material with water, and then discharging the liquor;

step five: adding an after-finishing agent into the dye vat, carrying out after-treatment on the multi-component jacquard material, then draining liquid, washing with water and drying.

The lightness in the present invention is based on the L value (lightness) in the color model (Lab), and the larger the L value, the lighter the color, and the smaller the L value, the darker the color.

Further, the method for identifying the dye competitive dyeing characteristics of the fibers is to dye a multi-component jacquard material by using disperse dyes, acid dyes and cationic dyes of the same color, test the dyeing conditions of the disperse dyes on the chinlon and the cationic terylene, the dyeing conditions of the acid dyes on the chinlon and the cationic terylene, and the dyeing conditions of the cationic dyes on the chinlon and the terylene in the dyed multi-component jacquard material, and design the weaving configuration mode of the chinlon, the cationic terylene and the terylene in the multi-component jacquard material to be consistent with the design of the dyeing process.

And further, after the dye is added in the third step, the operation is carried out for 5-10min so as to ensure that the dye liquor is uniform and fully soaks the multi-component jacquard material.

Further, the buffer acid is a compound agent of glacial acetic acid and sodium acetate.

Further, the mass fraction of each auxiliary agent in the step two is as follows: buffer acid Z1081.5%, disperse leveling agent Z126: 0.5%, one-bath degreaser: 1%, acidic leveling agent Z12: 1 percent and 3 percent of anhydrous sodium sulphate Z40.

Further, in the third step, the dyeing process includes three stages, which are respectively: the first stage is to heat up to 80 ℃ at a rate of 1.0-1.5 ℃/min and preserve heat for 10-15min, the second stage is to heat up to 120-125 ℃ at a rate of 1.2-1.8 ℃/min and preserve heat for 30-40min, and the third stage is to cool down to 70-80 ℃ at a rate of 1.5-2.0 ℃/min and sample and color matching.

Further, in the third step, the amount of each dye is as follows: cationic dye DR 04: 0.009% (o.w.f), cationic dye DY 02: 0.4% (o.w.f); acid dye SY 10: 0.38% (o.w.f), acid dye SB 19: 0.0036% (o.w.f); disperse dye FY 28: 0.08% (o.w.f), disperse dye FY 30: 0.048% (o.w.f).

Further, in the fifth step, the after-finishing agent is a color fixing agent.

Further, in the fifth step, the after-finishing process is as follows: adding 2g/L of color fixing agent into the dye vat, and keeping the temperature at 75 ℃ for 20 min.

Further, the dyeing bath ratio is 1: 10.

furthermore, the water washing in the fourth step is 50-70 ℃ hot water washing, and then normal temperature water washing is carried out, namely 20-40 ℃ water washing, in the production process, in order to save energy and control cost, the hot water washing can adopt the condensation backwater during the cooling of the dye vat as a hot water source for water washing, and in order to avoid the influence of backwater on the dyeing quality, a filtering device can be added in the water inlet process to filter the backwater before the backwater enters the dye vat.

Compared with the prior art, the method has the beneficial effects that:

1, the dye is competitively dyed by identifying the fiber, the color design is reasonably selected, the multi-dimensional and stereoscopic impression of the jacquard material color is realized by the one-bath dyeing process, the cleaning production is met, the requirements of energy conservation, consumption reduction and emission reduction are realized, and the production cost is saved.

2 the invention sets the step-type temperature rise and heat preservation, controls the highest dyeing temperature to be 120-135 ℃, and the highest dyeing temperature is lower than 130-135 ℃ of the conventional disperse dyes at present, thereby not only ensuring the dyeing rate and the dyeing fastness of each dye, but also avoiding the embrittlement damage of the multicomponent jacquard material at higher temperature.

In the dyeing method, the auxiliary agent is firstly added to soak the fabric, then the dye is added at normal temperature and then the operation is carried out for 5-10min to ensure that the dye liquor is uniform and fully soaks the multi-component jacquard material, and then the temperature is raised, compared with the traditional method of adding the dye when the temperature is raised to 70-80 ℃, the dyeing method can reduce the generation of color patterns.

4 the post-treatment of the invention adopts alkaline fixation treatment, which not only ensures the color fastness of each dye, but also avoids the damage of acid fixation to cationic dyes.

The multi-component jacquard material is dyed with different colors, and is combined with yarn arrangement during jacquard weaving, cationic dye is used for dyeing cationic fibers with the darkest color, acid dye is used for dyeing polyamide fibers with the second color, and disperse dye is used for dyeing polyester fibers with the lightest color, so that the multi-component multi-color jacquard material can be obtained through dyeing, and color light control is more accurate.

6 the invention adopts buffer acid, namely the compound reagent of glacial acetic acid and sodium acetate, compared with the traditional dyeing process which adopts glacial acetic acid as an acid reagent, the compound reagent is more beneficial to the stable balance of pH in the dyeing process.

Drawings

FIG. 1 is a schematic view of a dyeing process according to an embodiment of the present invention.

Detailed Description

The invention will be further illustrated by the following examples and figures.

As shown in fig. 1, the invention provides a multi-component jacquard material one-bath process multi-color dyeing method, wherein the weaving yarn of the multi-component jacquard material comprises terylene, chinlon and cation terylene, the dyeing method especially aims at the dyeing method when the three yarns are dyed with different colors, and the dyeing method comprises the following steps:

the method comprises the following steps: identifying the dye competitive dyeing characteristics of the fiber, designing and dyeing cationic fiber with the cationic dye and having the darkest color, designing and dyeing polyamide fiber with the acid dye and having the second color, designing and dyeing polyester fiber with the disperse dye and having the lightest color; the step is obtained by a monochromatic experiment before dyeing, namely, a multi-component jacquard material is dyed by disperse dye, acid dye and cationic dye with the same color, the dyeing condition of the disperse dye on nylon and cationic polyester, the dyeing condition of the acid dye on the polyester and cationic polyester and the dyeing condition of the cationic dye on the polyester and nylon in each dyed multi-component jacquard material are tested, and the weaving configuration mode of the polyester, the nylon and the cationic polyester in the multi-component jacquard material is designed to be consistent with the design of a dyeing process;

step two: after water enters the jacquard material in the dye vat at normal temperature, adding the auxiliary agents one by one: buffer acid, a dispersing leveling agent, a one-bath degreaser, an acidic leveling agent and anhydrous sodium sulphate, and adjusting the pH value of a dye solution to 4.5; the mass fraction of each auxiliary agent is as follows: buffer acid Z1081.5% (glacial acetic acid 0.9% and sodium acetate 0.6%), disperse leveling agent Z126: 0.5-0.8%, one-bath degreaser: 1-1.2%, acidic leveling agent Z12: 1 to 1.5 percent of anhydrous sodium sulphate Z40, 2.5 to 3 percent of anhydrous sodium sulphate.

Step three: in this example, a single dye is used for the disperse dye, the cationic dye, and the acid dye, and the amounts thereof are as follows: acid dye SY 10: 0.40% (o.w.f); cationic dye DY 02: 0.49% (o.w.f); disperse dye FY 28: 0.15% (o.w.f), the acid dye, the cationic dye and the disperse dye are added into a dye vat one by one, the operation is carried out for 10min to ensure that the dye liquor is uniform and fully infiltrates the multi-component jacquard material, and then dyeing is carried out, wherein the dyeing bath ratio is 1: the dyeing process comprises three stages, which are respectively: in the first stage, the temperature is raised to 80 ℃ at the rate of 1.2 ℃/min and is preserved for 15min, in the second stage, the temperature is raised to 120 ℃ at the rate of 1.3 ℃/min and is preserved for 40min, in the third stage, the temperature is lowered to 80 ℃ at the rate of 1.5 ℃/min, and sampling and color matching are carried out;

step four: discharging the dye liquor, washing the multi-component jacquard material with water, and then discharging the liquor;

step five: adding 2g/L of after-finishing agent color fixing agent into a dye vat, preserving heat for 20min at 75 ℃, carrying out color fixing treatment on the multi-component jacquard material, then discharging liquid, washing and drying.

In the fourth step of the present embodiment, the washing process may be performed by first performing hot water washing at 50-70 ℃, and then performing normal temperature washing, that is, washing at 20-40 ℃, in order to save energy and control cost during the production process, the hot water washing may be performed by using the condensed backwater generated during the cooling of the dye vat as the hot water source, and in order to avoid the influence of the backwater quality on the dyeing quality, a filtering device may be added during the water inlet process to filter the backwater before entering the dye vat.

Example 2

As shown in fig. 1, the invention provides a multi-component jacquard material one-bath process multi-color dyeing method, wherein a weaving yarn of the multi-component jacquard material comprises terylene, chinlon and cationic terylene, the multi-component jacquard material is firstly subjected to blank setting before dyeing, and the dyeing method is particularly directed at a dyeing method for dyeing the three yarns with different colors, and comprises the following steps:

the method comprises the following steps: identifying the dye competitive dyeing characteristics of the fiber, designing and dyeing cationic fiber with the cationic dye and having the darkest color, designing and dyeing polyamide fiber with the acid dye and having the second color, designing and dyeing polyester fiber with the disperse dye and having the lightest color; the step is obtained by a monochromatic experiment before dyeing, namely, a multi-component jacquard material is dyed by disperse dye, acid dye and cationic dye with the same color, the dyeing condition of the disperse dye on nylon and cationic polyester, the dyeing condition of the acid dye on the polyester and cationic polyester and the dyeing condition of the cationic dye on the polyester and nylon in each dyed multi-component jacquard material are tested, and the weaving configuration mode of the polyester, the nylon and the cationic polyester in the multi-component jacquard material is designed to be consistent with the design of a dyeing process;

step two: after water enters the jacquard material in the dye vat at normal temperature, adding the auxiliary agents one by one: buffer acid, a dispersing leveling agent, a one-bath degreaser, an acidic leveling agent and anhydrous sodium sulphate, and adjusting the pH value of a dye solution to about 4; the mass fraction of each auxiliary agent is as follows: buffer acid Z1081.5% (glacial acetic acid 1.0% with sodium acetate 0.5%), disperse leveling agent Z126: 0.5%, one-bath degreaser: 1%, acidic leveling agent Z12: 1 percent and 3 percent of anhydrous sodium sulphate Z40.

Step three: in the embodiment, the disperse dye, the cationic dye and the acid dye are compounded by two dyes, and the dosage of the two dyes is as follows: acid dye SY 10: 0.38% (o.w.f), acid dye SB 19: 0.0036% (o.w.f); cationic dye DR 04: 0.009% (o.w.f), cationic dye DY 02: 0.4% (o.w.f); disperse dye FY 28: 0.08% (o.w.f), disperse dye FY 30: 0.048% (o.w.f), the acid dye, the cationic dye and the disperse dye are added into a dye vat one by one, the operation is carried out for 5min to ensure that the dye liquor is uniform and fully infiltrates the multi-component jacquard material, and then dyeing is carried out, wherein the dyeing bath ratio is 1: the dyeing process comprises three stages, which are respectively: in the first stage, the temperature is raised to 80 ℃ at the rate of 1.5 ℃/min and is kept for 10min, in the second stage, the temperature is raised to 125 ℃ at the rate of 1.2 ℃/min and is kept for 30min, in the third stage, the temperature is lowered to 80 ℃ at the rate of 1.5 ℃/min, and sampling and color matching are carried out;

step four: discharging the dye liquor, washing the multi-component jacquard material with water, and then discharging the liquor;

step five: adding 2g/L of after-finishing agent color fixing agent into a dye vat, preserving heat for 20min at 75 ℃, carrying out color fixing treatment on the multi-component jacquard material, then discharging liquid, washing and drying.

In the fourth step of the present embodiment, the washing process may be performed by first performing hot water washing at 50-70 ℃, and then performing normal temperature washing, that is, washing at 20-40 ℃, in order to save energy and control cost during the production process, the hot water washing may be performed by using the condensed backwater generated during the cooling of the dye vat as the hot water source, and in order to avoid the influence of the backwater quality on the dyeing quality, a filtering device may be added during the water inlet process to filter the backwater before entering the dye vat.

The dyeing results of the multi-component jacquard material in the above examples are as follows:

according to the test results, the color fastness of the multi-component multicolor jacquard material obtained by the dyeing method meets or exceeds the technical requirements, and the dyeing effect is excellent.

It should be noted that the basic principles and essential features of the invention and the advantages thereof have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.