CN112900122A - Dyeing process of wool suit fabric - Google Patents
Dyeing process of wool suit fabric Download PDFInfo
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- CN112900122A CN112900122A CN202110301212.3A CN202110301212A CN112900122A CN 112900122 A CN112900122 A CN 112900122A CN 202110301212 A CN202110301212 A CN 202110301212A CN 112900122 A CN112900122 A CN 112900122A
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- Prior art keywords
- dyeing
- wool
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- polyacrylamide
- protease
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Classifications
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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
- D06P3/14—Wool
-
- 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
-
- 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
- D06P1/46—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 using compositions containing natural macromolecular substances or derivatives thereof
-
- 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
- D06P1/52—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 using compositions containing synthetic macromolecular substances
- D06P1/5207—Macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- D06P1/525—Polymers of unsaturated carboxylic acids or functional derivatives thereof
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Coloring (AREA)
Abstract
The application relates to the field of fabric dyeing, and particularly discloses a dyeing process of wool suit fabric. During dyeing, a dyeing assistant is added into a dyeing solution, wherein the dyeing assistant is prepared by mixing the following raw materials in parts by weight: 8-15 parts of protease, 2-5 parts of soluble chitin, 0.3-1.5 parts of ethanol, 10-20 parts of polyacrylamide and 5-12 parts of water. This application improves wool surface fabric's feel when improving wool surface fabric dye uptake.
Description
Technical Field
The application relates to the field of fabric dyeing, in particular to a dyeing process of wool business suit fabric.
Background
The suit fabric is generally wool, cotton, fiber, chemical fiber or other blended fabric, wherein the wool fiber of the wool fabric is formed by conglomerating protein molecules, the outer surface of the wool fabric has a layer of strict cutin scale structure, dirt can be prevented from entering the fiber, and the wool fabric is soft, so the wool fabric is a relatively common suit fabric, and generally formal suit takes wool as a main fabric.
Although the wool fabric can prevent dirt from entering fibers, the wool fibers are hydrophobic due to the strict cutin scale structure on the surface of the wool fabric, so that the wool fabric is prevented from diffusing and adsorbing the dye, and the wool fabric is low in dye uptake and poor in dyeing effect. In order to improve the dye uptake and dyeing effect of the wool fabric, an enterprise generally dyes the wool fabric at the temperature of 98 ℃, but the high-temperature dyeing not only consumes high energy, but also can damage the hand feeling of the wool fabric.
With respect to the above-described related art, the inventors consider that: the dyeing rate of the wool fabric is improved, and meanwhile, the hand feeling of the wool fabric is improved.
Disclosure of Invention
In order to improve the dye uptake of wool fabric and simultaneously improve the hand feeling of the wool fabric, the application provides a dyeing process of wool suit fabric.
The dyeing process for the wool suit fabric adopts the following technical scheme:
a dyeing process of wool suit fabric is characterized in that a dyeing assistant is added into a dyeing solution during dyeing, and the dyeing assistant is prepared by mixing the following raw materials in parts by weight: 8-15 parts of protease, 2-5 parts of soluble chitin, 0.3-1.5 parts of ethanol, 10-20 parts of polyacrylamide and 5-12 parts of water.
By adopting the technical scheme, as the dyeing assistant is added during dyeing, the protease has higher activity, the polyacrylamide has higher flocculation property, the soluble chitosan has higher stability, and the protease, the polyacrylamide and the soluble chitosan interact with each other and cross-link among crystal faces, so that the compatibility of the dye solution and the wool fibers is improved, the dye uptake of the wool fabric is improved, and the hand feeling of the wool fabric is improved.
Preferably, the polyacrylamide is anionic polyacrylamide.
By adopting the technical scheme, the anionic polyacrylamide has higher compatibility with other raw materials of the dyeing assistant, so that the dye uptake and the hand feeling of the wool suit fabric are improved.
Preferably, the molecular weight of the polyacrylamide is 1000-1400 ten thousand.
By adopting the technical scheme, the compatibility of the wool fibers and the dye is further improved by controlling the molecular weight of the polyacrylamide, so that the dye uptake and the hand feeling of the wool fabric are improved.
Preferably, the protease is selected from one or two of trypsin and acid protease.
By adopting the technical scheme, the compatibility of the bovine trypsin and the acid protease with the polyacrylamide and the soluble chitin is higher, the interaction of the protease with the polyacrylamide and the soluble chitin is enhanced, and the dye uptake and the hand feeling of the wool fabric are further improved.
Preferably, the protease is an acid protease.
By adopting the technical scheme, the compatibility of the acid protease with the polyacrylamide and the soluble chitin is higher, and the dye uptake and the hand feeling of the wool fabric are further improved.
Preferably, the dyeing process of the wool suit fabric comprises the following specific steps:
s1, pretreating gray fabric;
s2, soaking the pretreated gray fabric in a dye solution at 40-45 ℃, stirring for 10-30min under the condition of heat preservation, then putting an auxiliary dye into the dye solution under the condition of stirring, heating to 50-60 ℃, and then continuously stirring for 10-20min to complete dyeing;
and S3, fixing color, washing and drying to obtain the finished cloth.
By adopting the technical scheme, the dyeing assistant is added during dyeing, so that the dye-uptake of the wool fabric is improved, the hand feeling of the wool fabric is improved, the dyeing process is simple, and the dyeing temperature is lower.
Preferably, the bath ratio of the dyeing in the step S2 is 1: (4-6).
By adopting the technical scheme, the application improves the dye uptake of the wool fabric by controlling the bath ratio of the dye liquor.
Preferably, the concentration of the dyeing assistant in the dyeing in the S2 step is 0.8-1.5 g/L.
By adopting the technical scheme, the concentration of the dyeing assistant is controlled, so that the interaction among the protease, the polyacrylamide and the soluble chitosan is promoted, and the dye uptake and the hand feeling of the wool fabric are improved.
In summary, the present application has the following beneficial effects:
1. during dyeing, a dyeing assistant is added, wherein protease has high activity, polyacrylamide has high flocculation property, soluble chitosan has high stability, the protease, the polyacrylamide and the soluble chitosan interact with each other, and crystal faces are mutually crosslinked, so that the compatibility of dye liquor and wool fibers is improved, the dye uptake of wool fabric is improved, the hand feeling of the wool fabric is improved, the dyeing process is simple, and the dyeing temperature is low.
2. Anionic polyacrylamide is preferably adopted in the application, the compatibility of the anionic polyacrylamide and other raw materials of the dyeing assistant is higher, and the compatibility of wool fibers and dyes is improved, so that the dye uptake and the hand feeling of the wool suit fabric are improved.
3. The application preferably adopts the bovine trypsin and the acid protease, the compatibility of the bovine trypsin and the acid protease with the polyacrylamide and the soluble chitin is higher, the interaction of the protease with the polyacrylamide and the soluble chitin is enhanced, and the dye uptake and the hand feeling of the wool fabric are further improved. Wherein the compatibility of the acid protease with polyacrylamide and soluble chitin is highest.
Detailed Description
The present application is described in further detail below with reference to preparation examples and examples, and the starting materials used in the present application are shown in Table 1.
TABLE 1 sources of raw materials used in the present application
Examples of preparation of dyeing assistants
Preparation example 1
An auxiliary dyeing agent is prepared by uniformly mixing 10g of protease, 3g of soluble chitin, 1g of ethanol, 15g of polyacrylamide and 10g of water;
the protease is flavourzyme, the ethanol is absolute ethanol, and the type of the polyacrylamide is APAM 6640.
Preparation examples 2 to 3
Preparation examples 2 to 3 are based on preparation example 1 and differ from preparation example 1 only in that: the amounts of the raw materials are different, and are shown in Table 2.
TABLE 2 preparation examples 1 to 3 respective amounts of raw materials
| Preparation example | Preparation example 1 | Preparation example 2 | Preparation example 3 |
| Protease (g) | 10 | 8 | 15 |
| Soluble chitin (g) | 3 | 5 | 2 |
| Ethanol (g) | 1 | 3 | 1.5 |
| Polyacrylamide (g) | 15 | 20 | 10 |
| Water (g) | 10 | 5 | 12 |
Preparation example 4
Preparation 4 is based on preparation 1, differing from preparation 1 only in that: the polyacrylamide is anionic polyacrylamide with the model of APAM 8860.
Preparation examples 5 to 7
Preparation examples 5 to 7 are based on preparation example 4, differing from preparation example 4 only in that: the molecular weight of the polyacrylamide varies, and is shown in table 3.
TABLE 3 preparation examples 5-7 Polyacrylamide molecular weights
Preparation example 8
Preparation 8 is based on preparation 7, differing from preparation 7 only in that: the protease used was bovine trypsin.
Preparation example 9
Preparation 9 is based on preparation 8 and differs from preparation 8 only in that: the protease used is an acid protease.
Comparative preparation example
Comparative preparation example 1 is based on preparation example 2, differing from preparation example 2 only in that: equal mass of ethanol was used instead of polyacrylamide.
Comparative preparation example 2
Comparative preparation example 2 is based on preparation example 2, differing from preparation example 2 only in that: equal mass of ethanol was used instead of protease.
Comparative preparation example 3
Comparative preparation 3 is based on preparation 2, differing from preparation 2 only in that: ethanol with equal mass is used for replacing soluble chitin.
Examples
Example 1
A dyeing process of wool suit fabric comprises the following specific steps:
s1, dissolving the degreasing agent and the soda ash in 500mL of water and uniformly stirring to prepare a pretreatment solution, wherein the concentrations of the degreasing agent and the soda ash are 0.6g/L and 0.4g/L respectively, then soaking 10g of grey cloth in the pretreatment solution, heating to 30 ℃ for soaking for 10min, then pouring 0.5g of glacial acetic acid into the pretreatment solution, uniformly stirring and continuously soaking the grey cloth for 5min, fishing out the grey cloth, washing for 3 times, and drying at 40 ℃ to obtain the pretreated grey cloth;
s2, dissolving the level dyeing color modifier and the salad fiille blue dye in water to ensure that the concentrations of the level dyeing color modifier and the salad fiille blue dye are respectively 2g/L and 2.5g/L, soaking the pretreated gray fabric in a dye solution at 43 ℃, wherein the bath ratio during dyeing is 1: 8, stirring for 20min under the heat preservation condition, then putting the dyeing assistant prepared in the preparation example 1 into the dye solution under the stirring condition, uniformly stirring to ensure that the concentration of the dyeing assistant is 2g/L, then heating to 55 ℃, and continuing stirring for 15min to complete dyeing;
s3, dissolving 0.5g of color fixing agent in 500mL of water, uniformly stirring, fishing out the dyed grey cloth, soaking in the color fixing agent aqueous solution for 10min, adding a neutralizing acid into the color fixing agent aqueous solution to adjust the pH value of the surface of the cloth to 6.5, fishing out the color-fixed grey cloth, washing with 900mL of water for 3 times, washing with 300mL each time, and drying at 50 ℃ to obtain a finished cloth;
the grey cloth comprises 92% of wool, 5% of mulberry silk and 3% of spandex, and is purchased from Shanghai Baojio costume.
Examples 2 to 3
Examples 2 to 3 are based on example 1 and differ from example 1 only in that: the conditions for dyeing were varied and are shown in Table 4.
TABLE 4 dyeing conditions of examples 1 to 3
Examples 4 to 6
Examples 4 to 6 are based on example 1, and differ from example 1 only in the bath ratio at the time of dyeing in the step S2, as shown in Table 5.
TABLE 5 bath ratio for dyeing in examples 4-6
| Examples | Example 4 | Example 5 | Example 6 |
| Bath ratio | 1:4 | 1：6 | 1：5 |
Examples 7 to 9
Examples 7 to 9 are based on example 6 and differ from example 6 only in that: the concentrations of the dyeing assistants during the dyeing in the step S2 were varied, as shown in table 6.
TABLE 6 concentrations of dyeing assistants of examples 7-9
| Examples | Example 7 | Example 8 | Example 9 |
| Concentration of dyeing assistant (g/L) | 0.8 | 1.5 | 1.2 |
Examples 10 to 15
Examples 10 to 15 are based on example 9 and differ from example 9 only in that: the sources of the dyeing assistants are different, and the dyeing assistants are shown in Table 7.
TABLE 7 examples 10-15 sources of dyeing assistants
| Examples | Example 10 | Example 11 | Example 12 |
| Sources of dyeing assistants | Preparation example 4 | Preparation example 5 | Preparation example 6 |
| Examples | Example 13 | Example 14 | Example 15 |
| Sources of dyeing assistants | Preparation example 7 | Preparation example 8 | Preparation example 9 |
Comparative example
Comparative example 1
Comparative example 1 is based on example 3 and differs from example 3 only in that: the dyeing assistant is replaced by water with equal mass.
Comparative example 2
Comparative example 2 is based on example 3 and differs from example 3 only in that: the dyeing auxiliary used was from comparative preparation example 1.
Comparative example 3
Comparative example 3 is based on example 3 and differs from example 3 only in that: the dyeing auxiliary used was from comparative preparation example 2.
Comparative example 3
Comparative example 3 is based on example 3 and differs from example 3 only in that: the dyeing auxiliary used was from comparative preparation example 3.
Performance test
The following performance tests were performed on the dyed wool cloths of examples 1 to 15 and comparative examples 1 to 4, respectively.
And (3) dye-uptake test: respectively measuring the absorbance A of the dye solution before and after dyeing at the maximum absorption wavelength of the dye by using a type 722 spectrophotometer0And A1Then, then
The percentage of dye uptake is shown in table 8.
And (3) hand feeling test: and collecting 100 volunteers to touch the wool fabrics dyed in the examples 1-16 and the comparative examples 1-4 respectively, scoring the hand feeling of the wool fabrics, wherein the lowest score is 1 and the highest score is 10, the higher the score is, the better the hand feeling is, and calculating the average score of the 100 volunteers, namely the hand feeling of the fabrics, and the test result is shown in a table 8.
TABLE 8 test results of examples 1 to 15 and comparative examples 1 to 4
Analyzing the data to know that:
the wool fabric dyed by the method has good hand feeling which is not lower than 4, and the dye uptake is higher which is not lower than 85% when dyeing, and the data of comparative examples 1-3 show that example 1 is the best example among examples 1-3.
Comparing the data of the example 3 and the comparative examples 1 to 4, it can be seen that the dyeing assistant is added during dyeing, wherein the protease has higher activity, the polyacrylamide has higher flocculation property, the soluble chitosan has higher stability, the protease, the polyacrylamide and the soluble chitosan interact with each other, and the crystal faces are crosslinked with each other, so that the compatibility of the dye solution and the wool fibers is improved, the dye uptake of the wool fabric is improved, and the hand feeling of the wool fabric is improved.
Comparing the data of examples 4-6 with the data of example 1, the present application can control the bath ratio of the dye liquor, and the bath ratio when dyeing is 1: (4-6), the dye uptake of the wool fabric is higher, wherein when the bath ratio is 1: at time 5, the dye uptake of the wool cloth of example 5 was the highest value of examples 4-6.
Comparing the data of examples 7-9 with the data of example 6, the application can promote the interaction among protease, polyacrylamide and soluble chitosan by controlling the concentration of the dyeing assistant, so as to improve the dye uptake and hand feeling of wool fabric, the dye uptake of wool fabric is higher when the concentration of the dyeing assistant is 0.8-1.5g/L, wherein the dye uptake of wool fabric in example 9 is the highest value of examples 7-9 when the concentration of the dyeing assistant is 1.2 g/L.
Comparing the data of example 10 and example 6 shows that the compatibility of the anionic polyacrylamide with other raw materials of the dyeing assistant is high, and the compatibility of the wool fiber and the dye is improved, so that the dye uptake and the hand feeling of the wool suit fabric are improved.
Comparing the data of examples 11-13 with the data of example 10, the present application shows that the compatibility of wool fibers and dyes is further improved by controlling the molecular weight of polyacrylamide, so that the dye uptake and hand feeling of wool fabric are improved.
Comparing the data of examples 14-15 and example 13, it can be seen that the compatibility of bovine trypsin and acidic protease with polyacrylamide and soluble chitin is high, the interaction of protease with polyacrylamide and soluble chitin is enhanced, and the dye uptake and hand feeling of wool cloth are further improved. Wherein the compatibility of the acid protease with polyacrylamide and soluble chitin is highest.
The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.
Claims (8)
1. The dyeing process of the wool suit fabric is characterized in that a dyeing assistant is added into a dyeing solution during dyeing, wherein the dyeing assistant is prepared by mixing the following raw materials in parts by weight: 8-15 parts of protease, 2-5 parts of soluble chitin, 0.3-1.5 parts of ethanol, 10-20 parts of polyacrylamide and 5-12 parts of water.
2. A dyeing process for wool suit fabric according to claim 1, characterized in that: the polyacrylamide is anionic polyacrylamide.
3. A dyeing process for wool suit fabric according to claim 2, characterized in that: the molecular weight of the polyacrylamide is 1000-1400 ten thousand.
4. A dyeing process for wool suit fabric according to claim 1, characterized in that: the protease is selected from one or two of trypsin and acid protease.
5. A dyeing process for wool suit fabric according to claim 4, characterized in that: the protease is an acid protease.
6. The dyeing process of the wool suit fabric according to claim 1, characterized by comprising the following specific steps:
s1, pretreating gray fabric;
s2, soaking the pretreated gray fabric in a dye solution at 40-45 ℃, stirring for 10-30min under the condition of heat preservation, then putting an auxiliary dye into the dye solution under the condition of stirring, heating to 50-60 ℃, and then continuously stirring for 10-20min to complete dyeing;
and S3, fixing color, washing and drying to obtain the finished cloth.
7. A dyeing process for wool suit fabric according to claim 6, characterized in that: the bath ratio of dyeing in the step S2 is 1: (4-6).
8. A dyeing process for wool suit fabric according to claim 6, characterized in that: the concentration of the dyeing assistant in the S2 step is 0.8-1.5 g/L.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110301212.3A CN112900122A (en) | 2021-03-22 | 2021-03-22 | Dyeing process of wool suit fabric |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110301212.3A CN112900122A (en) | 2021-03-22 | 2021-03-22 | Dyeing process of wool suit fabric |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997001629A1 (en) * | 1995-06-28 | 1997-01-16 | Novo Nordisk A/S | A cellulase with reduced mobility |
| CN105133391A (en) * | 2015-09-01 | 2015-12-09 | 桐乡市濮院毛针织技术服务中心 | Dyeing assistant for pure-cashmere products |
| CN106811999A (en) * | 2016-12-23 | 2017-06-09 | 句容市申兔工艺针织厂 | A kind of color fixing process of acid dyeing nylon fabric |
| CN110396836A (en) * | 2019-06-12 | 2019-11-01 | 李辉 | A kind of preparation method of dyestuff levelling agent |
-
2021
- 2021-03-22 CN CN202110301212.3A patent/CN112900122A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997001629A1 (en) * | 1995-06-28 | 1997-01-16 | Novo Nordisk A/S | A cellulase with reduced mobility |
| CN105133391A (en) * | 2015-09-01 | 2015-12-09 | 桐乡市濮院毛针织技术服务中心 | Dyeing assistant for pure-cashmere products |
| CN106811999A (en) * | 2016-12-23 | 2017-06-09 | 句容市申兔工艺针织厂 | A kind of color fixing process of acid dyeing nylon fabric |
| CN110396836A (en) * | 2019-06-12 | 2019-11-01 | 李辉 | A kind of preparation method of dyestuff levelling agent |
Non-Patent Citations (3)
| Title |
|---|
| 朱俊萍 等: "生物酶在羊毛低温染色中的应用研究", 《针织工业》 * |
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Application publication date: 20210604 |