CN112663350A - Method for catalytically dyeing cotton fabric by using horseradish peroxidase - Google Patents
Method for catalytically dyeing cotton fabric by using horseradish peroxidase Download PDFInfo
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Abstract
The invention provides a method for catalyzed dyeing of cotton fabrics by horseradish peroxidase, which comprises the following steps of mixing pyrocatechol, 2, 5-diaminobenzene sulfonic acid, horseradish peroxidase, hydrogen peroxide and water, uniformly stirring to obtain a horseradish peroxidase catalyzed dyeing bath, wherein the ratio of the pyrocatechol to the 2, 5-diaminobenzene sulfonic acid is 1:3-1:10, the addition amount of the horseradish peroxidase is 0.1-0.5g/L, the addition amount of 27% of hydrogen peroxide is 1-4mL/L, and the pH is adjusted to be 4-6. The invention can solve the technical problem of how to optimize the current dyeing process, the cotton fabric dyed by the method has higher color fixation rate and color fastness, can effectively reduce the discharge of printing and dyeing wastewater, and has important significance for the green production of the textile printing and dyeing industry.
Description
Technical Field
The invention belongs to the technical field of textile dyeing and finishing, and particularly relates to a method for horseradish peroxidase-catalyzed dyeing of cotton fabrics.
Background
At present, in the printing and dyeing production process, cotton fabrics are generally dyed by using reactive dyes, the reactive dye dyed cotton fabrics have the advantages of bright colors and excellent fastness of various items, but the problems of low dyeing uptake of the reactive dyes, difficult soaping, high chromaticity of dyeing wastewater and the like are not negligible. Horse Radish Peroxidase (HRP) is used as peroxidase extracted from horse radish, a protein containing heme is composed of colorless glycoprotein and brown iron porphyrin, the molecular weight is about 44kDa, the catalytic effect is most obvious when the pH is about 5, the HRP is an excellent green catalyst, and the HRP has the advantages of strong catalytic activity, good environmental stability, wide application range of catalytic substances and the like, is widely applied to the fields of wastewater treatment, clinical medicine, food chemical industry and the like, and gradually shows the wide application prospect of the horse radish peroxidase.
At present, the research on the catalytic dyeing performance of horseradish peroxidase is still lacked, and only part of researches on the catalytic oxidation of phenolic compounds, amine compounds and derivatives thereof are carried out. Researches find that biological enzymes such as horseradish peroxidase and the like can effectively catalyze and oxidize the degradation of various phenolic compounds and amine compounds in wastewater, and improve the environmental problem. With the further research on the horseradish peroxidase, the horseradish peroxidase not only can effectively degrade phenolic compounds and amine compounds, but also can polymerize the phenolic compounds and the amine compounds under certain conditions, and the polymerization effect is more obvious compared with laccase.
Disclosure of Invention
The invention aims to provide a method for horseradish peroxidase-catalyzed dyeing of cotton fabrics, which solves the technical problem of how to optimize the current dyeing process, and the cotton fabrics dyed by the method have high color fixation rate and color fastness, can effectively reduce the discharge of printing and dyeing wastewater, and have important significance for green production of the textile printing and dyeing industry.
The method for horseradish peroxidase-catalyzed dyeing of cotton fabrics comprises the following steps:
a. preparation of horseradish peroxidase-catalyzed staining bath:
mixing pyrocatechol, 2, 5-diaminobenzene sulfonic acid, horseradish peroxidase, hydrogen peroxide and water, and uniformly stirring to obtain a horseradish peroxidase catalytic dyeing bath, wherein the ratio of the pyrocatechol to the 2, 5-diaminobenzene sulfonic acid is 1:3-1:10, the addition amount of the horseradish peroxidase is 0.1-0.5g/L, the addition amount of 27% of hydrogen peroxide is 1-4mL/L, and the pH is adjusted to be 4-6;
b. dyeing:
heating the horseradish peroxidase catalyzed dyeing bath to 40-55 ℃ in an oscillating water bath kettle with the rotating speed of 50-70r/min, and putting the cotton fabrics wetted in advance into the horseradish peroxidase catalyzed dyeing bath for processing for 2-4h, wherein the bath ratio is 1:15-1: 30; cleaning with 50-80 deg.C hot water for 5-10min at a bath ratio of 1:15-1: 30; cleaning with normal temperature water for 5min at a bath ratio of 1: 15; drying at 80 ℃.
In the step a, the ratio of catechol to 2, 5-diaminobenzene sulfonic acid is 1:3-1:6, the addition amount of horseradish peroxidase is 0.2-0.3g/L, the addition amount of hydrogen peroxide is 2mL/L, and the pH value is 5.0.
And the rotating speed of the oscillating water bath in the step b is 60 r/min.
In the step b, the temperature of a dyeing bath catalyzed by horseradish peroxidase is 45 ℃, the dyeing time is 2 hours, and the bath ratio is 1: 15.
And c, washing with hot water in the step b at the temperature of 60 ℃, at the bath ratio of 1:15, and for 6 min.
The dyeing method adopted by the invention is different from the common cotton fabric dyeing method, and the cotton fabric is generally selected from reactive dyes in the dyeing process, and the reactive dyes have low dye uptake, high dyeing wastewater chromaticity and serious pollution. According to the invention, through the polymerization of the horseradish peroxidase on catechol and 2, 5-diaminobenzene sulfonic acid in the presence of hydrogen peroxide, the polymer dye with chromophoric groups is generated, and the polymer dye has the characteristics of high dye-uptake and color fixing rate, excellent wet treatment fastness and the like when used for dyeing cotton fabrics. Compared with the traditional reactive dye for dyeing cotton, the reactive dye has the following advantages: 1. the dyeing temperature is low, the energy consumption in the printing and dyeing process is favorably reduced, 2, the dyeing fixation rate is high, 3, the floating color is easy to clean, the washing waste liquid is convenient to treat, the harm is low, and 4, the health of textile service personnel and the safety performance of products are favorably ensured.
Detailed Description
The invention is further illustrated below with reference to specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications can be made by one skilled in the art after reading the teachings of the present invention, and such equivalents fall within the scope of the appended claims.
Example 1
a. Preparation of horseradish peroxidase-catalyzed staining bath:
and (3) mixing pyrocatechol, 2, 5-diaminobenzene sulfonic acid, horseradish peroxidase, hydrogen peroxide and water, and uniformly stirring to obtain the horseradish peroxidase catalytic dyeing bath. The ratio of catechol to 2, 5-diaminobenzene sulfonic acid was 1:3, the amount of horseradish peroxidase added was 0.2g/L, the amount of 27% hydrogen peroxide added was 2mL/L, and the pH was adjusted to 5.
b. Dyeing:
heating the horseradish peroxidase catalytic dyeing bath to 45 ℃ in an oscillating water bath kettle with the rotating speed of 50-70r/min, and putting the cotton fabrics wetted in advance into the horseradish peroxidase catalytic dyeing bath for treatment for 2 hours, wherein the bath ratio is 1: 15; cleaning with hot water at 50 deg.C for 6min at a bath ratio of 1: 15; cleaning with normal temperature water for 5min at a bath ratio of 1: 15; drying at 80 ℃.
(1) And (3) testing: and testing the color fixing rate, wet rubbing fastness, washing fastness and soaping fastness of the dyed fabric. The method comprises the following specific steps: and testing the color fixing rate, the wet rubbing fastness, the washing fastness and the soaping fastness according to the national standard.
(2) The effect is as follows:
TABLE 1 indexes of cotton fabric dyed by horseradish peroxidase
| Fixation rate | Fastness to wet rubbing | Fastness to washing | Fastness to soaping |
| 60％ | 3-4 | 4 | 4 |
From table 1, it can be seen that the color fixing rate of the horseradish peroxidase-catalyzed dyed cotton fabric is 60%, the wet rubbing fastness is general, and the washing and soaping fastness is excellent.
Example 2
a. Preparation of horseradish peroxidase-catalyzed staining bath:
and (3) mixing pyrocatechol, 2, 5-diaminobenzene sulfonic acid, horseradish peroxidase, hydrogen peroxide and water, and uniformly stirring to obtain the horseradish peroxidase catalytic dyeing bath. The ratio of catechol to 2, 5-diaminobenzene sulfonic acid was 1:4, the amount of horseradish peroxidase added was 0.2g/L, the amount of 27% hydrogen peroxide added was 2mL/L, and the pH was adjusted to 5.
b. Dyeing:
heating the horseradish peroxidase catalytic dyeing bath to 45 ℃ in an oscillating water bath kettle with the rotating speed of 50-70r/min, and putting the cotton fabrics wetted in advance into the horseradish peroxidase catalytic dyeing bath for treatment for 2 hours, wherein the bath ratio is 1: 15; cleaning with hot water at 50 deg.C for 6min at a bath ratio of 1: 15; cleaning with normal temperature water for 5min at a bath ratio of 1: 15; drying at 80 ℃.
(3) And (3) testing: the method comprises the following steps of testing the color fixing rate, wet rubbing fastness, washing fastness and soaping fastness of dyed fabrics, wherein the test method specifically comprises the following steps: and testing the color fixing rate, the wet rubbing fastness, the washing fastness and the soaping fastness according to the national standard.
(4) The effect is as follows:
TABLE 2 indexes of cotton fabric dyed by horseradish peroxidase
| Fixation rate | Fastness to wet rubbing | Fastness to washing | Fastness to soaping |
| 75％ | 4 | 4 | 4 |
From table 2, it can be seen that the color fixing rate of the horseradish peroxidase-catalyzed dyed cotton fabric is better, reaches 75%, and each color fastness is excellent.
Example 3
a. Preparation of horseradish peroxidase-catalyzed staining bath:
and (3) mixing pyrocatechol, 2, 5-diaminobenzene sulfonic acid, horseradish peroxidase, hydrogen peroxide and water, and uniformly stirring to obtain the horseradish peroxidase catalytic dyeing bath. The ratio of catechol to 2, 5-diaminobenzene sulfonic acid was 1:5, the amount of horseradish peroxidase added was 0.2g/L, the amount of 27% hydrogen peroxide added was 2mL/L, and the pH was adjusted to 5.
b. Dyeing:
heating the horseradish peroxidase catalytic dyeing bath to 45 ℃ in an oscillating water bath kettle with the rotating speed of 50-70r/min, and putting the cotton fabrics wetted in advance into the horseradish peroxidase catalytic dyeing bath for treatment for 2 hours, wherein the bath ratio is 1: 15; cleaning with hot water at 50 deg.C for 6min at a bath ratio of 1: 15; cleaning with normal temperature water for 5min at a bath ratio of 1: 15; drying at 80 ℃.
(3) And (3) testing: the method comprises the following steps of testing the color fixing rate, wet rubbing fastness, washing fastness and soaping fastness of dyed fabrics, wherein the test method specifically comprises the following steps: and testing the color fixing rate, the wet rubbing fastness, the washing fastness and the soaping fastness according to the national standard.
(4) The effect is as follows:
TABLE 3 indexes of cotton fabric dyed by horseradish peroxidase
From table 3, it is known that the fixation rate of the horseradish peroxidase-catalyzed dyed cotton fabric is 68%, which is reduced compared with the fixation rate in example 2, but the color fastness is not changed obviously.
Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes and modifications can be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims. The invention relates to a method for catalyzed dyeing of cotton fabrics by horseradish peroxidase, which comprises the following steps: under the conditions of certain temperature and pH, adding pyrocatechol, 2, 5-diaminobenzene sulfonic acid, horseradish peroxidase and hydrogen peroxide into a dyeing bath according to a certain dosage, putting the cotton fabric wetted in advance into the dyeing bath for treatment for a period of time, thoroughly cleaning the cotton fabric by using deionized water, and drying. The method can effectively replace the traditional cotton fabric dyeing method, realizes biological dyeing of the cotton fabric, reduces harmful wastewater discharge in the cotton fabric dyeing process, protects the ecological environment, has higher dye-uptake and color-fixing effects and excellent fastness. The catechol, the 2, 5-diaminobenzene sulfonic acid, the horseradish peroxidase and the horseradish peroxidase in a hydrogen peroxide dyeing system used in the invention are used as a green catalyst, can effectively catalyze and polymerize the catechol and the 2, 5-diaminobenzene sulfonic acid in the presence of hydrogen peroxide to generate polymer dye with chromophoric groups, have excellent dye-uptake and color-fixing effects on cellulose fibers, can reduce sewage treatment pressure and environmental pollution caused by printing and dyeing wastewater compared with the traditional dyeing, and have important significance for realizing printing and dyeing green production.
Claims (5)
1. The method for catalyzed dyeing of cotton fabrics by horseradish peroxidase comprises the following steps:
a. preparation of horseradish peroxidase-catalyzed staining bath:
mixing pyrocatechol, 2, 5-diaminobenzene sulfonic acid, horseradish peroxidase, hydrogen peroxide and water, and uniformly stirring to obtain a horseradish peroxidase catalytic dyeing bath, wherein the ratio of the pyrocatechol to the 2, 5-diaminobenzene sulfonic acid is 1:3-1:10, the addition amount of the horseradish peroxidase is 0.1-0.5g/L, the addition amount of 27% of hydrogen peroxide is 1-4mL/L, and the pH is adjusted to be 4-6;
b. dyeing:
heating the horseradish peroxidase catalyzed dyeing bath to 40-55 ℃ in an oscillating water bath kettle with the rotating speed of 50-70r/min, and putting the cotton fabrics wetted in advance into the horseradish peroxidase catalyzed dyeing bath for processing for 2-4h, wherein the bath ratio is 1:15-1: 30; cleaning with 50-80 deg.C hot water for 5-10min at a bath ratio of 1:15-1: 30; cleaning with normal temperature water for 5min at a bath ratio of 1: 15; drying at 80 ℃.
2. The method for horseradish peroxidase-catalyzed dyeing of cotton fabric according to claim 1, characterized in that: and the rotating speed of the oscillating water bath in the step b is 60 r/min.
3. The method for horseradish peroxidase-catalyzed dyeing of cotton fabric according to claim 1, characterized in that: in the step b, the temperature of a dyeing bath catalyzed by horseradish peroxidase is 45 ℃, the dyeing time is 2 hours, and the bath ratio is 1: 15.
4. The method for horseradish peroxidase-catalyzed dyeing of cotton fabric according to claim 1, characterized in that: and c, washing with hot water in the step b at the temperature of 60 ℃, at the bath ratio of 1:15, and for 6 min.
5. The method for horseradish peroxidase-catalyzed dyeing of cotton fabrics according to claim 1, wherein in the step a, the ratio of catechol to 2, 5-diaminobenzene sulfonic acid is 1:3-1:6, the addition amount of horseradish peroxidase is 0.2-0.3g/L, the addition amount of hydrogen peroxide is 2mL/L, and the pH value is 5.0.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1205755A (en) * | 1995-12-22 | 1999-01-20 | 诺沃挪第克生物化学北美公司 | Enzymatic method for textile dyeing |
| CN1420954A (en) * | 1999-12-14 | 2003-05-28 | 诺沃奇梅兹有限公司 | Enzymatic method for textile dyeing |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1205755A (en) * | 1995-12-22 | 1999-01-20 | 诺沃挪第克生物化学北美公司 | Enzymatic method for textile dyeing |
| CN1420954A (en) * | 1999-12-14 | 2003-05-28 | 诺沃奇梅兹有限公司 | Enzymatic method for textile dyeing |
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Application publication date: 20210416 |