CN112941936A - Dyeing pretreatment process of cotton and chitin blended fabric - Google Patents
Dyeing pretreatment process of cotton and chitin blended fabric Download PDFInfo
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- CN112941936A CN112941936A CN202110392567.8A CN202110392567A CN112941936A CN 112941936 A CN112941936 A CN 112941936A CN 202110392567 A CN202110392567 A CN 202110392567A CN 112941936 A CN112941936 A CN 112941936A
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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
- D06P3/82—Textiles which contain different kinds of fibres
- D06P3/8204—Textiles which contain different kinds of fibres fibres of different chemical nature
- D06P3/829—Textiles which contain different kinds of fibres fibres of different chemical nature mixtures of cellulose and animalized fibres
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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
- D06P1/38—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 reactive 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
- D06P1/445—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
- 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
- D06P1/5264—Macromolecular compounds obtained otherwise than by reactions involving only unsaturated carbon-to-carbon bonds
- D06P1/5285—Polyurethanes; Polyurea; Polyguanides
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- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Husbandry (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The invention belongs to the field of dyeing and finishing of cotton and chitin blended fabric. Aiming at the problem of uneven dyeing of the cotton and chitin blended fabric, the invention provides a dyeing pretreatment process of the cotton and chitin blended fabric, which is to stably obtain an ONE bleaching treatment agent with the concentration of 0.8-1.1%, heat up to 50 +/-3 ℃, run for 5 minutes, add a scouring enzyme MK with the concentration of 4.5-5.2% into a cylinder, and run for 10 minutes; heating to 95 +/-3 ℃ at the speed of 3 ℃/min, keeping the temperature for 30 minutes, cooling to 85 +/-3 ℃ at the speed of 2 ℃/min, and discharging water; adding water again, heating to 50 +/-3 ℃, keeping the temperature at 50 +/-3 ℃ for 10 minutes, and washing for 2 times; deoxygenating enzyme with concentration of 0.18-0.22%, heating to 40 + -3 deg.C, pH 6.5-8.5, running for 25 min, and discharging water; adding water again, heating to 40 + -3 deg.C, keeping the temperature at 40 + -3 deg.C for 10 min, and washing with water for 2 times. The treated fabric is beneficial to the uniform adsorption of dye in the subsequent dyeing process, and the color of the fabric can not be caused.
Description
Technical Field
The invention belongs to the field of dyeing and finishing of cotton and chitin blended fabrics, and particularly relates to a dyeing pretreatment process of the cotton and chitin blended fabric.
Background
The cotton fiber is a seed fiber formed by stretching and thickening epidermal cells of fertilized ovules, and is different from a common bast fiber. Its main constituent material is cellulose. The cellulose is natural polymer compound with chemical structural formula as (C)6H10O5) n is the same as the formula (I). The normal mature cotton cellulose content is about 94%. In addition, it contains small amount of pentosan, wax, protein, fat, water-soluble substances, ash, etc.
Chitin fiber: chitin reacts with butyric anhydride to generate dibutyryl chitin, so that the problems of difficult processing and the like due to poor solubility of the chitin are solved. The dibutyryl chitin is dissolved in acetone to prepare spinning slurry with the mass fraction of 20% -22%, dry spinning is carried out at a certain temperature to prepare dibutyryl chitin fiber, NaOH solution with the mass fraction of 5% is further used for hydrolyzing the dibutyryl chitin at 50 ℃, and the chitin fiber is obtained through reduction.
The chitin fiber and the cotton fiber have great difference in structure and performance, the chitin fiber belongs to the cationic fiber, the cotton fiber belongs to the anionic fiber, and the cationic substance in the chitin fiber and the cotton fiber blended fabric after the common pretreatment can be unevenly adsorbed on the surface of the cotton fiber. When the reactive dye is used for dyeing, the dyeing rate of cationic substances is high, and the dyeing rate of cotton fibers which do not adsorb cations is low. Therefore, the color and light of the finished product are different due to uneven dyeing, and the color of the fabric are formed.
Disclosure of Invention
Aiming at the problem of uneven dyeing of the cotton and chitin blended fabric, the invention provides a dyeing pretreatment process of the cotton and chitin blended fabric, which adopts a special treatment agent to carry out dyeing pretreatment to ensure that chitin fibers are not decomposed and damaged, cationic substances of the chitin fibers cannot stain cotton fibers during ground color treatment before dyeing, and the fabric is ensured to have no color after dyeing with reactive dyes and the chitin fibers are not damaged and consumed.
The invention is realized by the following technical scheme:
a dyeing pretreatment process of a cotton and chitin blended fabric comprises the following steps:
(1) adding a stable ONE bleaching treatment agent with the concentration of 0.8-1.1% into a jar, heating to 50 +/-3 ℃, immersing the cotton and chitin blended fabric into the jar, and running for 5 minutes to fully soak the fabric in the treatment agent solution;
(2) adding the refining enzyme MK into the vat again within the next 10 minutes, wherein the concentration is 4.5-5.2%, and running for 10 minutes to fully soak the fabric in the mixed solution;
(3) heating to 95 +/-3 ℃ at the speed of 3 ℃/min, keeping the temperature for 30 minutes, cooling to 85 +/-3 ℃ at the speed of 2 ℃/min, and discharging water;
(4) adding water again, heating to 50 +/-3 ℃, keeping the temperature at 50 +/-3 ℃ for 10 minutes, and washing the fabric for 2 times;
(5) adding deoxyenzyme into the jar, heating to 40 + -3 deg.C with concentration of 0.18-0.22%, pH 6.5-8.5, running for 25 min, and discharging water;
(6) adding water again, heating to 40 +/-3 ℃, keeping the temperature at 40 +/-3 ℃ for 10 minutes, and washing the fabric for 2 times.
Further, the method comprises the following steps:
(1) adding a stable ONE bleaching treatment agent with the concentration of 1.0% into a jar, heating to 50 ℃, immersing the cotton and chitin blended fabric into the jar, and running for 5 minutes to fully soak the fabric in the treatment agent solution;
(2) adding the refining enzyme MK with the concentration of 5 percent into the cylinder for the next 10 minutes, and running for 10 minutes to fully soak the fabric in the mixed solution;
(3) heating to 95 ℃ at the speed of 3 ℃/min, keeping the temperature for 30 minutes, cooling to 85 ℃ at the speed of 2 ℃/min, and discharging water;
(4) adding water again, heating to 50 ℃, keeping the temperature at 50 ℃ for 10 minutes, and washing the fabric for 2 times;
(5) adding deoxyenzyme with the concentration of 0.2% into the cylinder, heating to 40 ℃, operating for 25 minutes at the pH value of 6.5-8.5, and discharging water;
(6) adding water again, heating to 40 ℃, keeping the temperature at 40 ℃ for 10 minutes, and washing the fabric for 2 times.
Further, the content of cotton in the cotton and chitin blended fabric is 80-93%; preferably, the content of cotton in the cotton and chitin blended fabric is 89%.
According to the invention, the ONE bleaching treatment agent and the refining enzyme MK which can be stably obtained are used for continuous treatment, so that the self-crosslinking polyether polyurethane in the treatment agent can permeate into the fiber to improve the moisture permeability, and after the treatment and the drying, the self-crosslinking polyether polyurethane is formed into a film in a reactive manner, and excellent durability and protection can be provided for the surface of the fabric; the dye is favorably and uniformly adsorbed in the subsequent dyeing process, and the color of the fabric is not caused; easy to clean, can reduce the washing times; the treated fiber has low weight loss rate and small strength damage.
Drawings
FIG. 1 is an original processing route before dyeing of a cotton and chitin blended fabric;
FIG. 2 is a dyeing pretreatment process route of the cotton and chitin blended fabric.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments and the accompanying drawings.
The original treatment process before dyeing of the cotton and chitin blended fabric is as shown in figure 1:
first, in the oxygen bleaching stage, the adopted penetrant concentration is 1g/L, H2O2The concentration is 4.5g/L, the NaOH concentration is 4g/L, and the concentration of the softening agent in the bath is 2 g/L;
and in the acid washing and deoxidation treatment stages, the deoxyenzyme concentration is 0.2g/L and the acid concentration is 0.3 g/L.
Example 1
A dyeing pretreatment process of a cotton and chitin blended fabric is shown in figure 2 and comprises the following steps:
(1) adding a stable ONE bleaching treatment agent (Hensmei) with the concentration of 1.0% into a jar, heating to 50 ℃, immersing the cotton and chitin blended fabric into the jar, and running for 5 minutes to fully soak the fabric in the treatment agent solution;
(2) adding refining enzyme MK (purchased from Qingdao Duobang chemical Co., Ltd.) with the concentration of 5% into the cylinder for the next 10 minutes, and running for 10 minutes to fully soak the fabric in the mixed solution;
(3) heating to 95 ℃ at the speed of 3 ℃/min, keeping the temperature for 30 minutes, cooling to 85 ℃ at the speed of 2 ℃/min, and discharging water;
(4) adding water again, heating to 50 ℃, keeping the temperature at 50 ℃ for 10 minutes, and washing the fabric for 2 times;
(5) adding deoxyenzyme with the concentration of 0.2% into the cylinder, heating to 40 ℃, operating for 25 minutes with the pH value of 7.0, and discharging water;
(6) adding water again, heating to 40 ℃, keeping the temperature at 40 ℃ for 10 minutes, and washing the fabric for 2 times.
Example 2
A dyeing pretreatment process of a cotton and chitin blended fabric refers to figure 2 and comprises the following steps:
(1) adding a stable ONE bleaching treatment agent with the concentration of 0.8% into a jar, heating to 47 ℃, immersing the cotton and chitin blended fabric into the jar, and running for 5 minutes to fully soak the fabric in the treatment agent solution;
(2) adding the refining enzyme MK into the vat again for the next 10 minutes, wherein the concentration of the refining enzyme MK is 4.5 percent, and running for 10 minutes to fully soak the fabric in the mixed solution;
(3) heating to 92 ℃ at the speed of 3 ℃/min, keeping the temperature for 30 minutes, cooling to 82 ℃ at the speed of 2 ℃/min, and discharging water;
(4) adding water again, heating to 47 ℃, keeping the temperature at 47 ℃ for 10 minutes, and washing the fabric for 2 times;
(5) adding deoxyenzyme into the cylinder, heating to 37 ℃ with the concentration of 0.18 percent, controlling the pH value to be 6.5, running for 25 minutes, and discharging water;
(6) adding water again, heating to 37 ℃, keeping the temperature at 37 ℃ for 10 minutes, and washing the fabric for 2 times.
Example 3
A dyeing pretreatment process of a cotton and chitin blended fabric refers to figure 2 and comprises the following steps:
(1) adding a stable ONE bleaching treatment agent with the concentration of 1.1% into a jar, heating to 53 ℃, immersing the cotton and chitin blended fabric into the jar, and running for 5 minutes to fully soak the fabric in the treatment agent solution;
(2) adding the refining enzyme MK into the vat again for the next 10 minutes, wherein the concentration of the refining enzyme MK is 5.2%, and running for 10 minutes to fully soak the fabric in the mixed solution;
(3) heating to 98 deg.C at a speed of 3 deg.C/min, holding the temperature for 30 min, cooling to 88 deg.C at a speed of 2 deg.C/min, and discharging water;
(4) adding water again, heating to 53 ℃, keeping the temperature at 53 ℃ for 10 minutes, and washing the fabric for 2 times;
(5) adding deoxyenzyme into the cylinder, heating to 43 ℃ with the concentration of 0.22%, enabling the pH value to be 8.5, running for 25 minutes, and discharging water;
(6) adding water again, heating to 43 ℃, keeping the temperature at 43 ℃ for 10 minutes, and washing the fabric for 2 times.
The cotton and chitin blended fabric contains 89% of cotton and 11% of chitin. The fabric with the same composition is subjected to dyeing pretreatment according to the original process and the novel process of the invention respectively. The results of comparison of comparative example 1, which used the original treatment process, with example 1, which used the new process, were as follows:
the whiteness contrast difference of the cotton and chitin blended fabric subjected to pretreatment is very small; the pretreatment capillary effect of the original process is 12-14cm, and the capillary effect of the process is 14-16 cm; the invention saves 3 times of water washing and has uniform dyeing; the consumption of cotton fiber is 5% and the consumption of chitin is 0% after the treatment.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (4)
1. A dyeing pretreatment process of a cotton and chitin blended fabric is characterized by comprising the following steps:
(1) adding a stable ONE bleaching treatment agent with the concentration of 0.8-1.1% into a jar, heating to 50 +/-3 ℃, immersing the cotton and chitin blended fabric into the jar, and running for 5 minutes to fully soak the fabric in the treatment agent solution;
(2) adding the refining enzyme MK into the vat again within the next 10 minutes, wherein the concentration is 4.5-5.2%, and running for 10 minutes to fully soak the fabric in the mixed solution;
(3) heating to 95 +/-3 ℃ at the speed of 3 ℃/min, keeping the temperature for 30 minutes, cooling to 85 +/-3 ℃ at the speed of 2 ℃/min, and discharging water;
(4) adding water again, heating to 50 +/-3 ℃, keeping the temperature at 50 +/-3 ℃ for 10 minutes, and washing the fabric for 2 times;
(5) adding deoxyenzyme into the jar, heating to 40 + -3 deg.C with concentration of 0.18-0.22%, pH 6.5-8.5, running for 25 min, and discharging water;
(6) adding water again, heating to 40 +/-3 ℃, keeping the temperature at 40 +/-3 ℃ for 10 minutes, and washing the fabric for 2 times.
2. The pre-dyeing treatment process according to claim 1, characterized by comprising the steps of:
(1) adding a stable ONE bleaching treatment agent with the concentration of 1.0% into a jar, heating to 50 ℃, immersing the cotton and chitin blended fabric into the jar, and running for 5 minutes to fully soak the fabric in the treatment agent solution;
(2) adding the refining enzyme MK with the concentration of 5 percent into the cylinder for the next 10 minutes, and running for 10 minutes to fully soak the fabric in the mixed solution;
(3) heating to 95 ℃ at the speed of 3 ℃/min, keeping the temperature for 30 minutes, cooling to 85 ℃ at the speed of 2 ℃/min, and discharging water;
(4) adding water again, heating to 50 ℃, keeping the temperature at 50 ℃ for 10 minutes, and washing the fabric for 2 times;
(5) adding deoxyenzyme with the concentration of 0.2% into the cylinder, heating to 40 ℃, operating for 25 minutes at the pH value of 6.5-8.5, and discharging water;
(6) adding water again, heating to 40 ℃, keeping the temperature at 40 ℃ for 10 minutes, and washing the fabric for 2 times.
3. The pre-dyeing treatment process according to claim 1 or 2, wherein the content of cotton in the cotton and chitin blended fabric is 80-93%.
4. The pre-dyeing treatment process according to claim 3, wherein the content of cotton in the cotton-chitin blended fabric is 89%.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110392567.8A CN112941936A (en) | 2021-04-13 | 2021-04-13 | Dyeing pretreatment process of cotton and chitin blended fabric |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110392567.8A CN112941936A (en) | 2021-04-13 | 2021-04-13 | Dyeing pretreatment process of cotton and chitin blended fabric |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101096821A (en) * | 2006-06-26 | 2008-01-02 | 青岛喜盈门集团有限公司 | Crust element fibre and cotton fibre mixed fabrics (or yarns) and impurities removing process |
| CN101451131A (en) * | 2007-11-28 | 2009-06-10 | 青岛康地恩生物科技有限公司 | Chitin-cotton blended fabric biological enzyme pre-processing technique and used enzyme preparation |
| CN105839416A (en) * | 2016-03-31 | 2016-08-10 | 太仓市锦达印染有限公司 | Dyeing and printing pretreatment process for fabric |
-
2021
- 2021-04-13 CN CN202110392567.8A patent/CN112941936A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101096821A (en) * | 2006-06-26 | 2008-01-02 | 青岛喜盈门集团有限公司 | Crust element fibre and cotton fibre mixed fabrics (or yarns) and impurities removing process |
| CN101451131A (en) * | 2007-11-28 | 2009-06-10 | 青岛康地恩生物科技有限公司 | Chitin-cotton blended fabric biological enzyme pre-processing technique and used enzyme preparation |
| CN105839416A (en) * | 2016-03-31 | 2016-08-10 | 太仓市锦达印染有限公司 | Dyeing and printing pretreatment process for fabric |
Non-Patent Citations (1)
| Title |
|---|
| 范梅 等: ""脱氧酶在棉针织物前处理工艺中的应用"", 《针织工业》 * |
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Application publication date: 20210611 |