CN114892426A - Reactive dye dyeing oxygen bleaching method - Google Patents
Reactive dye dyeing oxygen bleaching method Download PDFInfo
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- CN114892426A CN114892426A CN202210342277.7A CN202210342277A CN114892426A CN 114892426 A CN114892426 A CN 114892426A CN 202210342277 A CN202210342277 A CN 202210342277A CN 114892426 A CN114892426 A CN 114892426A
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- dyeing
- oxygen bleaching
- reactive dye
- bleaching method
- yarn
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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
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
- D06L4/10—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen
- D06L4/13—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen using inorganic agents
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
- D06L4/40—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using enzymes
-
- 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
- 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
- D06P1/67391—Salts or oxidising-compounds mixtures
-
- 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
- D06P3/58—Material containing hydroxyl groups
- D06P3/60—Natural or regenerated cellulose
- D06P3/66—Natural or regenerated cellulose using reactive dyes
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Coloring (AREA)
Abstract
The invention discloses an oxygen bleaching method for dyeing of reactive dyes, which comprises the following steps: s1, dyeing the cheese, namely putting the yarn into a dyeing container, adding reactive dye and anhydrous sodium sulphate into the dyeing container at normal temperature, preserving heat for 10min, quickly heating to 60 ℃, preserving heat for 5-10min, adding soda ash, continuously preserving heat for 30-35min, then discharging water, washing with water, soaping, dehydrating, drying and spooling; s2, carrying out oxygen bleaching on grey cloth, namely putting the grey cloth woven by the yarns and the grey yarns processed in the step S1 into an oxygen bleaching container, adding scouring enzyme and hydrogen peroxide, heating to 85-98 ℃ at the speed of 2 ℃/min, and keeping the temperature for 20-40 min; and (5) washing and drying. The invention adopts the reactive dye dyeing and oxygen bleaching method, and can solve the problems of high production cost, complex flow, long production period and poor wet milling fastness of the existing yarn-dyed jacquard towel products.
Description
Technical Field
The invention relates to the technical field of reactive dye dyeing, in particular to an oxygen bleaching method for reactive dye dyeing.
Background
The conventional production mode of the jacquard towel comprises the following steps:
(1) the method comprises the following steps of (1) dyeing the active color yarn fully, and weaving the yarn cheese after dyeing: the method comprises the steps of tube loosening, dyeing, dewatering, drying, spooling, warping, weaving, washing and sewing, and finished yarns with different tissues, colors or raw materials are adopted to be woven into towel yarn-dyed products with various patterns on a jacquard machine. The full color of the active color yarn has higher weaving cost and more batch tail yarns.
(2) The method comprises the following steps of (1) semi-yarn dyeing of the threne colored yarn, and weaving flow after dyeing of partial yarn cheese: the method comprises the steps of tube loosening, dyeing, dewatering, drying, spooling, warping, weaving, grey cloth dyeing and sewing, wherein part of yarns are dyed by a Vaseline dye, then the yarns and white blank yarns are subjected to a towel semi-yarn dyeing process of weaving various patterns on a jacquard machine in different tissues and different colors, and then grey cloth dyeing ground color treatment is carried out. However, the wet milling fastness of the vaseline dye is poor, and the vaseline dye is easy to be stained and polluted in the later bleaching and dyeing process. And the prior vaseline dye-dyed yarn on the market also has the defects of higher cost, incomplete chromatogram, insufficient beautiful color and the like.
Disclosure of Invention
The invention aims to provide an active dye dyeing and oxygen bleaching method, which solves the problems of high production cost, complex flow, long production period and poor wet milling fastness of the existing yarn-dyed jacquard towel products.
In order to achieve the aim, the invention provides an oxygen bleaching method for dyeing of reactive dyes, which comprises the following steps:
s1, dyeing the cheese, namely putting the yarn into a dyeing container, adding reactive dye and anhydrous sodium sulphate into the dyeing container at normal temperature, preserving heat for 10min, quickly heating to 60 ℃, preserving heat for 5-10min, adding soda ash, continuously preserving heat for 30-35min, then draining water, washing with water, soaping, dehydrating, drying and spooling;
s2, carrying out oxygen bleaching on grey cloth, namely putting the grey cloth woven by the yarns and the grey yarns processed in the step S1 into an oxygen bleaching container, adding scouring enzyme and hydrogen peroxide, heating to 85-98 ℃ at the speed of 2 ℃/min, and keeping the temperature for 20-40 min; and (5) washing and drying.
Preferably, in the step S1, the bath ratio of the yarn or grey cloth to the reactive dye is 1: 6-8.
Preferably, in the step S1, the anhydrous sodium sulphate is used in an amount of 10-90 g/L.
Preferably, in the step S1, the temperature increase rate is 2-3 ℃/min.
Preferably, in the step S1, the concentration of the soda ash is 5-20g/L, and the PH of the reactive dye after the soda ash is added is 10-11.
Preferably, the step S1 further includes washing, and then soaping at 80 ℃ for 10 minutes, wherein the amount of the soaping agent is 1 g/L.
Preferably, in the step S2, the scouring enzyme is used in an amount of 1 to 2 g/L.
Preferably, in the step S2, the concentration of the hydrogen peroxide is 27.5%, and the dosage of the hydrogen peroxide is 6-15 g/L.
The reactive dye dyeing oxygen bleaching method has the advantages and positive effects that:
1. after the yarn is dyed, the yarn-dyed process can be realized, namely the active color yarn and the raw yarn are woven, the requirements of later bleaching and ground color dyeing can be met, the weaving efficiency is improved, the yarn-dyed cost is reduced, and the loss of batch tail yarn is reduced.
2. Reactive dye is adopted for dyeing, and after bleaching, the staining degree and the white blank color are excellent, and the wet milling fastness is high.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
FIG. 1 is a schematic diagram showing the color fastness after oxygen bleaching of a 1% concentration dye in an example of an oxygen bleaching method for dyeing with reactive dyes according to the present invention;
FIG. 2 is a schematic diagram showing the color fastness of a 3% concentration dye after oxygen bleaching in an example of an oxygen bleaching method for dyeing with reactive dyes according to the present invention;
FIG. 3 is a schematic diagram showing the color fastness of a white cloth after oxygen bleaching of a 1% concentration dye in an example of the reactive dye dyeing oxygen bleaching method of the present invention;
FIG. 4 is a schematic diagram showing the color fastness of a white cloth after oxygen bleaching of a dye with a concentration of 3% in an example of the reactive dye dyeing and oxygen bleaching method of the invention.
Detailed Description
An oxygen bleaching method for dyeing with reactive dye comprises the following steps:
s1, dyeing the cheese, namely putting the yarn into a dyeing container, adding reactive dye and anhydrous sodium sulphate into the dyeing container at normal temperature, preserving heat for 10min, quickly heating to 60 ℃, preserving heat for 5-10min, adding soda ash, continuously preserving heat for 30-35min, then discharging water, washing with water, soaping, dehydrating, drying and spooling.
The bath ratio of the yarn or grey cloth to the reactive dye is 1:6-8, preferably 1: 8.
The using amount of the anhydrous sodium sulphate is 10-90g/L, and the using amount of the anhydrous sodium sulphate is adjusted according to the color and the concentration of the active pigment.
The heating rate during dyeing is 2-3 ℃/min.
The concentration of the soda is 5-20g/L, and the pH value of the reactive dye after the soda is added is 10-11.
And (3) soaping for 10 minutes at the temperature of 80 ℃ after dyeing and washing, wherein the dosage of the soaping agent is 1g/L, the soaping agent is a common soaping agent, and the soaping agent is favorable for removing the loose color of the dyed yarns or grey cloth.
S2, carrying out oxygen bleaching on grey cloth, namely putting the grey cloth woven by the yarns and the grey yarns processed in the step S1 into an oxygen bleaching container, adding scouring enzyme and hydrogen peroxide, heating to 85-98 ℃ at the speed of 2 ℃/min, and keeping the temperature for 20-40 min; and (5) washing and drying.
The scouring enzyme is used in an amount of 1-2g/L, and the scouring enzyme can be selected from conventional scouring enzymes such as MCH-151.
The concentration of the oxygen bleaching hydrogen peroxide is 27.5 percent, and the dosage of the hydrogen peroxide is 6-15 g/L.
By adopting the reactive dye dyeing and oxygen bleaching method, the whiteness of the yarn reaches over 75, and the capillary effect is over 13 cm.
The technical solution of the present invention is further illustrated by the accompanying drawings and examples.
Examples
The technical scheme of the invention is explained by taking 32S/2 pure cotton yarn and 32S pure cotton knitted fabric as examples.
Putting 32S/2 pure cotton yarn into a dyeing container, adding active dye and anhydrous sodium sulphate into the dyeing container at normal temperature, wherein the using amount of the anhydrous sodium sulphate is 10-90g/L, keeping the temperature for 10min, and the bath ratio of the 32S/2 pure cotton yarn to the active dye is 1: 8; then rapidly heating to 60 ℃ at the heating rate of 2-3 ℃/min, and preserving heat for 10 min; adding soda ash, wherein the concentration of the soda ash is 5-20g/L, the concentration of the soda ash is determined according to the shade of the color, and the pH value of the reactive dye is 10-11; and keeping the temperature for 30 min.
And (4) soaping for 10 minutes at the temperature of 80 ℃ after dyeing and washing, wherein the dosage of the soaping agent is 1 g/L.
Drying and spooling the treated dyed 32S/2 pure cotton yarn, weaving the yarn and the raw yarn in a mixing ratio to form a semi-finished grey fabric, adding scouring enzyme and hydrogen peroxide into the grey fabric, heating to 85-98 ℃ at the speed of 2 ℃/min, and preserving heat for 20-40 min; and (5) washing and drying.
The dosage of the scouring enzyme is 1-2 g/L. The concentration of the hydrogen peroxide is 27.5 percent, and the dosage of the hydrogen peroxide is 6 to 15 g/L.
Respectively adopting 1% dye and 3% dye for dyeing, respectively adopting a Datacolor SF800 color measuring instrument to respectively measure the color of the yarn and the gauze which are not subjected to oxygen bleaching after dyeing and the color of the yarn and the gauze which are subjected to oxygen bleaching after dyeing, and directly reading the rating level by using a fading grey card rating function.
FIG. 1 is a schematic diagram of the color fastness after oxygen bleaching of a 1% concentration dye in an example of a reactive dye dyeing and oxygen bleaching method of the present invention, and FIG. 2 is a schematic diagram of the color fastness after oxygen bleaching of a 3% concentration dye in an example of a reactive dye dyeing and oxygen bleaching method of the present invention. As shown, it can be seen that the fastness to oxygen of the fixed cloth is higher than that of the unfixed cloth, and the higher the dye concentration, the lower the fastness to oxygen. Wherein the fastness to oxygen bleaching of red and turquoise blue is the worst. Most dyes have the fastness to oxygen bleaching of more than 3 grades, and the technical method for oxygen bleaching can meet the technical requirement of oxygen bleaching after the reactive dyed yarns.
Fig. 3 is a schematic diagram of the color fastness of the cloth after oxygen bleaching of the 1% concentration dye in an embodiment of the reactive dye dyeing and oxygen bleaching method of the invention, and fig. 4 is a schematic diagram of the color fastness of the cloth after oxygen bleaching of the 3% concentration dye in an embodiment of the reactive dye dyeing and oxygen bleaching method of the invention. As shown in the figure, it can be seen that the oxygen bleaching staining condition after fixation is improved for most dyes, and the higher the dye concentration is, the darker the color is, the more the oxygen bleaching staining is. Therefore, the staining grade of most dyes can reach more than 3 grade after the process of the invention is adopted to carry out oxygen bleaching on the active dyed yarns, and the dyeing ground color requirement after the oxygen bleaching can also be met.
Therefore, the invention adopts the reactive dye dyeing and oxygen bleaching method, and can solve the problems of high production cost, complex flow, long production period and poor wet milling fastness of the existing yarn-dyed jacquard towel products.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the invention without departing from the spirit and scope of the invention.
Claims (8)
1. The reactive dye dyeing and oxygen bleaching method is characterized by comprising the following steps:
s1, dyeing the cheese, namely putting the yarn into a dyeing container, adding reactive dye and anhydrous sodium sulphate into the dyeing container at normal temperature, preserving heat for 10min, quickly heating to 60 ℃, preserving heat for 5-10min, adding soda ash, continuously preserving heat for 30-35min, then discharging water, washing with water, soaping, dehydrating, drying and spooling;
s2, carrying out oxygen bleaching on grey cloth, namely putting the grey cloth woven by the yarns and the grey yarns processed in the step S1 into an oxygen bleaching container, adding scouring enzyme and hydrogen peroxide, heating to 85-98 ℃ at the speed of 2 ℃/min, and keeping the temperature for 20-40 min; and (5) washing and drying.
2. The reactive dye dyeing and oxygen bleaching method according to claim 1, characterized in that: in the step S1, the bath ratio of the yarn or grey cloth to the reactive dye is 1: 6-8.
3. The reactive dye dyeing and oxygen bleaching method according to claim 1, characterized in that: in the step S1, the using amount of the anhydrous sodium sulphate is 10-90 g/L.
4. The reactive dye dyeing and oxygen bleaching method according to claim 1, characterized in that: in the step S1, the heating rate is 2-3 ℃/min.
5. The reactive dye dyeing and oxygen bleaching method according to claim 1, characterized in that: in the step S1, the concentration of the soda ash is 5-20g/L, and the pH value of the reactive dye after the soda ash is added is 10-11.
6. The reactive dye dyeing and oxygen bleaching method according to claim 1, characterized in that: and step S1, further comprising the step of soaping for 10 minutes at the temperature of 80 ℃ after washing, wherein the dosage of the soaping agent is 1 g/L.
7. The reactive dye dyeing and oxygen bleaching method according to claim 1, characterized in that: in the step S2, the dosage of the scouring enzyme is 1-2 g/L.
8. The reactive dye dyeing and oxygen bleaching method according to claim 1, characterized in that: in the step S2, the concentration of the hydrogen peroxide is 27.5%, and the dosage of the hydrogen peroxide is 6-15 g/L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210342277.7A CN114892426A (en) | 2022-03-31 | 2022-03-31 | Reactive dye dyeing oxygen bleaching method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210342277.7A CN114892426A (en) | 2022-03-31 | 2022-03-31 | Reactive dye dyeing oxygen bleaching method |
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| CN114892426A true CN114892426A (en) | 2022-08-12 |
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| CN202210342277.7A Pending CN114892426A (en) | 2022-03-31 | 2022-03-31 | Reactive dye dyeing oxygen bleaching method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6129769A (en) * | 1998-11-24 | 2000-10-10 | Novo Nordisk Biotech, Inc. | Enzymatic methods for dyeing with reduced vat and sulfur dyes |
| CN101210390A (en) * | 2006-12-31 | 2008-07-02 | 鲁泰纺织股份有限公司 | Method for dyeing cotton/pashm blended yarn |
| CN102505266A (en) * | 2011-10-18 | 2012-06-20 | 辽宁柞蚕丝绸科学研究院有限责任公司 | Tussah silk jacquard bed article and weaving process method |
| CN106245314A (en) * | 2016-08-30 | 2016-12-21 | 孚日集团股份有限公司 | A kind of pure cotton towel is by the active low-temperature dyeing and finishing method of fabric |
| CN109778570A (en) * | 2019-01-04 | 2019-05-21 | 温州中普纺织有限公司 | A kind of super fine polyester silk colouring method |
| CN109837770A (en) * | 2017-11-27 | 2019-06-04 | 贾龙平 | It is a kind of dispersion, reactive dye short route low energy consumption dyeing |
-
2022
- 2022-03-31 CN CN202210342277.7A patent/CN114892426A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6129769A (en) * | 1998-11-24 | 2000-10-10 | Novo Nordisk Biotech, Inc. | Enzymatic methods for dyeing with reduced vat and sulfur dyes |
| CN101210390A (en) * | 2006-12-31 | 2008-07-02 | 鲁泰纺织股份有限公司 | Method for dyeing cotton/pashm blended yarn |
| CN102505266A (en) * | 2011-10-18 | 2012-06-20 | 辽宁柞蚕丝绸科学研究院有限责任公司 | Tussah silk jacquard bed article and weaving process method |
| CN106245314A (en) * | 2016-08-30 | 2016-12-21 | 孚日集团股份有限公司 | A kind of pure cotton towel is by the active low-temperature dyeing and finishing method of fabric |
| CN109837770A (en) * | 2017-11-27 | 2019-06-04 | 贾龙平 | It is a kind of dispersion, reactive dye short route low energy consumption dyeing |
| CN109778570A (en) * | 2019-01-04 | 2019-05-21 | 温州中普纺织有限公司 | A kind of super fine polyester silk colouring method |
Non-Patent Citations (1)
| Title |
|---|
| 盛爱军;张建祥;倪爱红;: "纯棉色织物后漂白清洁生产", 印染, no. 05, pages 17 * |
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