CN111793994B - Mordant dyeing process of wool fabric - Google Patents
Mordant dyeing process of wool fabric Download PDFInfo
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- CN111793994B CN111793994B CN202010841960.6A CN202010841960A CN111793994B CN 111793994 B CN111793994 B CN 111793994B CN 202010841960 A CN202010841960 A CN 202010841960A CN 111793994 B CN111793994 B CN 111793994B
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- mordant
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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
- D06P1/39—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
- D06P1/653—Nitrogen-free carboxylic acids or their salts
- D06P1/6533—Aliphatic, araliphatic or cycloaliphatic
-
- 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
- D06P1/667—Organo-phosphorus compounds
-
- 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
- D06P1/673—Inorganic compounds
- D06P1/67333—Salts or hydroxides
- D06P1/6735—Salts or hydroxides of alkaline or alkaline-earth metals with anions different from those provided for in D06P1/67341
-
- 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
- D06P3/14—Wool
- D06P3/16—Wool 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
- D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
- D06P5/02—After-treatment
- D06P5/04—After-treatment with organic compounds
-
- 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
- D06P5/10—After-treatment with compounds containing metal
Abstract
The invention discloses a mordant dyeing process of wool fabric, which comprises the following steps: s1: soaking the wool fabric in the pretreatment solution for reaction, padding and drying, and baking at 120-130 ℃ for 0.5-3 min; s2: heating and dyeing the wool fabric obtained in the S1 by adopting an acid mordant dye solution, and washing with water; s3: heating, mordanting and washing the washed wool fabric obtained in the step S2 to obtain a dyed wool fabric; the pretreatment liquid in S1 mainly comprises citric acid, sodium hypophosphite, water-soluble organic sodium phosphate containing hydroxyl and a penetrating agent. The mordant dyeing process of the wool fabric firstly introduces more groups with stronger coordination capability on the surface of the wool fabric fiber, and then carries out the dyeing mordant dyeing treatment of acid mordant dye on the wool fabric; the dyeing process can improve the dye-uptake of the acid mordant dye to wool fabrics, and the dyed wool fabrics have good soaping fastness.
Description
Technical Field
The invention relates to the technical field of wool worsted fabric production, in particular to a mordant dyeing process of wool fabric.
Background
The mordant mechanism is mainly that a mordant such as metal ions is used as central ions to be matched with the dye and a ligand on the fiber to form a complex, and the dye is better dyed by utilizing the bridge function of the metal ions between the dye and the fiber. The mordant used for dyeing wool fabric with acid mordant dye is mainly dichromate, aluminum salt, copper salt and cobalt salt.
The prior art wool dyeing method using acid medium dye is described in CN102206923A, and comprises steps of dye-dyeing wool fibers, mordant-dyeing the dyed wool fibers, and soaping the mordant-dyed wool fibers, wherein a combination of potassium dichromate and a reducing agent sodium bisulfite is used as a mordant to slowly generate trivalent chromium ions, and the mass ratio of potassium dichromate to wool fibers is (0.0025-0.0145): 1. in order to improve the dye uptake, the improved technical scheme comprises the operations of pretreatment and the like on wool fibers. The defects of the scheme are as follows: the scale layer of the wool fiber has certain hydrophobic property, the content of cystine in protein of the scale layer reaches 12%, and metal ions only form a coordination structure with hydroxyl, amino and carboxyl on the surface of the wool fiber in the mordant dyeing process, so that the dye utilization rate is low, and the color fastness is poor.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a mordant dyeing process of wool fabric, which introduces more coordination groups on the fiber surface of the wool fabric through pretreatment, and is beneficial to improving the dye uptake and improving the color fastness.
In order to achieve the technical effects, the technical scheme of the invention is as follows: a mordant dyeing process of wool fabric is characterized by comprising the following steps:
s1: soaking the wool fabric in the pretreatment solution for reaction, padding and drying, and baking at 120-130 ℃ for 0.5-3 min;
s2: heating and dyeing the wool fabric obtained in the S1 by adopting an acid mordant dye solution, and washing with water;
s3: heating, mordanting and washing the washed wool fabric obtained in the step S2 to obtain a dyed wool fabric;
the pretreatment liquid in the S1 mainly comprises citric acid, sodium hypophosphite, water-soluble organic sodium phosphate containing hydroxyl and a penetrating agent. The temperature of the pretreatment liquid for dipping the wool fabric is preferably 40-60 ℃.
The range of choice for the organic sodium phosphate containing hydroxyl groups includes sodium glycerophosphate, as well as sodium glucose phosphate, sodium fructose diphosphate, and the like.
The preferable technical scheme is that the water-soluble hydroxyl-containing sodium organophosphate is sodium glycerophosphate. The micromolecular sodium glycerophosphate introduces more coordination groups to the surface of wool. Compared with sodium glucose phosphate and fructose diphosphate, the wool fabric acid mordant dye pretreated by the sodium glycerophosphate has higher dye uptake under the same dyeing process condition.
The preferable technical scheme is that the pretreatment liquid mainly comprises, by weight, 100 parts of water, 0.3-1.5 parts of citric acid, 0.2-1 part of sodium hypophosphite, 2-7 parts of water-soluble organic sodium phosphate containing hydroxyl and 0.1-2 parts of a penetrating agent. Sodium hypophosphite can promote the reaction of citric acid and organic sodium phosphate with hydroxyl and carboxyl on the surface of wool fiber in wool fabric under the baking condition.
The preferable technical proposal is that the acid mordant dye solution mainly comprises dye and sodium sulfate; the mass ratio of the dye to the wool fabric in the acid mordant dye solution is (0.02-0.1): 1, the mass ratio of the sodium sulfate in the acid mordant dye solution to the wool fabric is (0.002-0.008): 1; the pH value of the acid mordant dye solution is 3.0-4.5; the dyeing temperature of the acid mordant dye solution is 85-98 ℃. The acid mordant dye is typically a vegetable dye. The dyeing temperature of the acid mordant dye solution can adopt a heating mode of slowly heating up and then preserving heat in the prior art, and can also be quickly heated up to a certain temperature and then preserved heat for dyeing.
The preferred technical scheme is that the mordant treatment is to dip the dyed wool fabric into a mordant treatment solution, wherein the ratio of the mass of a mordant in the mordant treatment solution to the mass of the wool fabric is (0.02-0.08): 1, the pH value of the mordant treatment liquid is 4.2-5. The range of mordants selected includes the common dichromate, aluminum, copper, cobalt and zinc salts.
The preferable technical scheme is that the mordant is an aluminum mordant and/or a zinc mordant. The aluminum mordant and the zinc mordant have good coordination capacity on the surface groups of the pretreated wool fabric fibers.
The preferable technical scheme is that the mordant treatment liquid also comprises a mordant accelerator, and the mordant accelerator is sodium hydroxyethyl sulfonate and/or salicylic acid. In the later stage of mordant reaction, hydroxyethyl sulfonate ions and salicylic acid both have anion property in mordant treatment liquid, are coordinated and complexed with mordant cations and enter fibers, and the transmission of the mordant cations from the solution to the fibers is realized. The hydroxyethyl sodium sulfonate and salicylic acid can be used in combination or independently. Further preferably, the mordant is sodium isethionate.
The preferable technical scheme is that the mass ratio of the mordant to the mordant accelerator in the mordant treatment liquid is 1: (0.1-0.3).
The preferable technical scheme is that the temperature of mordant dyeing treatment is 95-100 ℃.
The invention has the advantages and beneficial effects that:
the mordant dyeing process of the wool fabric comprises the steps of firstly pretreating the wool fabric, introducing more groups with stronger coordination capacity on the fiber surface of the wool fabric, and then dyeing and mordant dyeing the pretreated wool fabric by using acid mordant dye;
the mordant dyeing process can improve the dye uptake of the acid mordant dye to wool fabrics, and the prepared dyed wool fabrics have good soaping fastness.
Detailed Description
The following further describes embodiments of the present invention with reference to examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Serge dyeing, the source of the fabric is: jiangsu sunshine group;
sodium glycerophosphate, sodium sulfate, sodium glucose phosphate, citric acid, sodium hypophosphite, a penetrating agent JFC, an aluminum mordant, aluminum nitrate, a zinc mordant, zinc sulfate and salicylic acid, which are all chemically pure. The acid mordant dye is mordant red S-80, and the hydroxyethyl sodium sulfonate is sold in the market, and the content is more than 98 percent.
Example 1
Example 1 a mordant dyeing process for wool fabric includes the following steps:
s1: preparing raw material components of pretreatment liquid according to 100 parts of water, 0.5 part of citric acid, 0.3 part of sodium hypophosphite, 5 parts of sodium glucose phosphate and 0.5 part of penetrating agent, fully mixing the raw material components, soaking wool fabric into the pretreatment liquid at 32-35 ℃ according to a bath ratio of 1:20 for reaction for 4 hours, drying the wool fabric with a mangle rolling rate of 80% at 90-100 ℃, and then baking the wool fabric at 125-130 ℃ for 0.5-3 min;
s2: dissolving media red S-80 and sodium sulfate in deionized water, and adjusting the pH value to 4 by using a sulfuric acid solution to obtain a media red S-80 solution, wherein the mass ratio of the dye to the wool fabric in the media red S-80 solution is 0.05: 1, the mass ratio of sodium sulfate in the intermediate red S-80 solution to wool fabric is 0.008: 1, soaking the wool fabric into a medium red S-80 solution according to the proportion, heating to 95-98 ℃ at the speed of 1 ℃/min, carrying out heat preservation reaction for 60 minutes, and washing with water;
s3: dissolving aluminum nitrate in deionized water, and adjusting the pH value to 4.2 by using a nitric acid solution to obtain mordant treatment liquid, wherein the mass ratio of the mordant to the wool fabric is 0.03: 1, adding a mordant dyeing treatment agent into the washed wool fabric obtained in the step S2, heating to more than 95 ℃, carrying out heat preservation reaction for 50min, and washing with soaping water to obtain a dyed wool fabric;
s4: and (3) steaming the mixture for 20min at 100 ℃ with saturated steam for fixation.
Example 2
Example 2 is based on example 1 except that sodium glycerophosphate was used instead of sodium glucose phosphate, the weight parts of sodium glycerophosphate in the pretreatment solution being the same as sodium glucose phosphate.
Example 3
Example 3 is based on example 2 except that the pretreatment liquid had a composition of 100 parts of water, 0.5 part of citric acid, 0.3 part of sodium hypophosphite, 7 parts of sodium glycerophosphate, and 0.5 part of a penetrant.
Examples 4 to 5
Example 4 is based on example 2 with the difference that the mordant in S3 is zinc sulfate.
Example 5 is based on example 2 with the difference that in S3 the mordant consists of zinc sulfate and aluminum nitrate in a weight ratio of 1:2 are combined.
Examples 6 to 8
Example 6 is based on example 2, except that the mordant treatment solution further comprises a mordant accelerator sodium isethionate, and the mass ratio of the mordant to the mordant accelerator in the mordant treatment solution is 1: 0.3;
example 7 is based on example 2, except that salicylic acid is further included in the mordant treatment liquid, and the mass ratio of the mordant to the mordant accelerator in the mordant treatment liquid is 1: 0.2;
example 8 is based on example 3 except that the mordant has been combined with salicylic acid and sodium isethionate in a 1:1 weight ratio.
Comparative example
Comparative example 1 is based on example 1 with the difference that the pretreatment step of S1 is not included.
The samples obtained in the examples and comparative examples were tested as follows:
1. apparent color depth K/S value: testing the wool fabric by adopting a DATACOLOR SF600 type computer color measuring and matching instrument under a D65 light source and an observation angle of 10 degrees, selecting 5 different positions on the fabric for testing, and averaging to obtain a K/S value;
2. the soaping fastness is measured according to the national standard GB/T3921-2008 soaping-resistant color fastness of textile color fastness test.
The color depth K/S values of the samples of examples 1-8 and comparative example 1 were respectively: 24.47, 24.94, 25.23, 24.90, 24.87, 25.74, 25.46, 25.69, 22.18. In the visible light range, both the pretreatment and the mordant contribute to improving the color yield of the wool fabric.
The results of the soaping fastness level test of the samples of examples 1 to 8 and comparative example 1 are respectively:
color change: examples 1-5 and comparative example 1 were each 4 grades, examples 6-8 were 4-5 grades;
wool dipping: the examples and comparative examples are all 4 grades;
cotton dipping: example 1 and comparative example were 3 grades, and examples 2-8 were all 4 grades.
The color fastness of the pretreated wool fabric is improved to a certain extent, the color fastness of cotton is also improved to a certain extent, and the color fastness of the wool is not obviously changed.
The wool fabric dyed by the mordant dark yellow GG has the same color depth K/S value and the same color change fastness trend as mordant red S-80, and the pretreatment and mordant dyeing promoter has small influence on the wool fastness and the cotton fastness.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention. .
Claims (8)
1. A mordant dyeing process of wool fabric is characterized by comprising the following steps:
s1: soaking the wool fabric in the pretreatment solution for reaction, padding and drying, and baking at 120-130 ℃ for 0.5-3 min;
s2: heating and dyeing the wool fabric obtained in the S1 by adopting an acid mordant dye solution, and washing with water;
s3: heating, mordanting and washing the washed wool fabric obtained in the step S2 to obtain a dyed wool fabric;
the pretreatment liquid in the S1 mainly comprises citric acid, sodium hypophosphite, water-soluble organic sodium phosphate containing hydroxyl and a penetrating agent; the water-soluble hydroxyl-containing sodium organophosphate is sodium glycerophosphate.
2. A mordant dyeing process for wool fabrics according to claim 1, characterized in that the pretreatment liquid mainly comprises, by weight, 100 parts of water, 0.3-1.5 parts of citric acid, 0.2-1 part of sodium hypophosphite, 2-7 parts of water-soluble organic sodium phosphate containing hydroxyl groups and 0.1-2 parts of penetrant.
3. A mordant dyeing process for wool fabrics according to claim 1 characterized in that the acid mordant dye solution consists essentially of dye and sodium sulfate; the mass ratio of the dye to the wool fabric in the acid mordant dye solution is (0.02-0.1): 1, the mass ratio of the sodium sulfate in the acid mordant dye solution to the wool fabric is (0.002-0.008): 1; the pH value of the acid mordant dye solution is 3.0-4.5; the dyeing temperature of the acid mordant dye solution is 85-98 ℃.
4. The mordant dyeing process of a wool fabric according to claim 1, wherein the mordant treatment is to dip the dyed wool fabric into a mordant treatment solution, and the ratio of the mass of the mordant in the mordant treatment solution to the mass of the wool fabric is (0.02-0.08): 1, the pH value of the mordant treatment liquid is 4.2-5.
5. A mordant dyeing process for wool fabrics according to claim 4, characterized in that the mordant is an aluminum mordant and/or a zinc mordant.
6. A mordant dyeing process of wool fabrics according to claim 4, characterized in that the mordant treatment liquid also comprises a mordant accelerator which is sodium hydroxyethyl sulfonate and/or salicylic acid.
7. A mordant dyeing process for wool fabrics according to claim 6, characterized in that the mass ratio of mordant to mordant accelerator in the mordant treatment liquid is 1: (0.1-0.3).
8. A mordant dyeing process for wool fabrics according to any one of claims 1 to 7, characterized in that the temperature of the mordant treatment is 95 to 100 ℃.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102206923A (en) * | 2011-04-02 | 2011-10-05 | 西安工程大学 | Method for dyeing wool fibres by using acidic mordant dye |
| CN104674569A (en) * | 2015-01-23 | 2015-06-03 | 大连工业大学 | Natural dye dyeing method of cellulosic fiber fabric |
| CN108049214A (en) * | 2018-01-05 | 2018-05-18 | 常州纺织服装职业技术学院 | A kind of preparation method for improving wool natural dye and reactive dyeing depth |
| CN108894034A (en) * | 2018-05-21 | 2018-11-27 | 江苏工程职业技术学院 | A kind of wool fabric method of modifying |
| CN109487595A (en) * | 2018-09-11 | 2019-03-19 | 桐乡市龙翔印染有限公司 | A method of promoting wool yarn reactive dyeing uniformity |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102206923A (en) * | 2011-04-02 | 2011-10-05 | 西安工程大学 | Method for dyeing wool fibres by using acidic mordant dye |
| CN104674569A (en) * | 2015-01-23 | 2015-06-03 | 大连工业大学 | Natural dye dyeing method of cellulosic fiber fabric |
| CN108049214A (en) * | 2018-01-05 | 2018-05-18 | 常州纺织服装职业技术学院 | A kind of preparation method for improving wool natural dye and reactive dyeing depth |
| CN108894034A (en) * | 2018-05-21 | 2018-11-27 | 江苏工程职业技术学院 | A kind of wool fabric method of modifying |
| CN109487595A (en) * | 2018-09-11 | 2019-03-19 | 桐乡市龙翔印染有限公司 | A method of promoting wool yarn reactive dyeing uniformity |
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