CN117005215B - Vulcanized black dye solution and application thereof - Google Patents

Vulcanized black dye solution and application thereof Download PDF

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Publication number
CN117005215B
CN117005215B CN202311038774.9A CN202311038774A CN117005215B CN 117005215 B CN117005215 B CN 117005215B CN 202311038774 A CN202311038774 A CN 202311038774A CN 117005215 B CN117005215 B CN 117005215B
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concentration
black
sulfide
sulfur
sodium hydroxide
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CN117005215A (en
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秦玉娟
顾进
邱地垣
李瑞鹏
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Shaoguan Beitextile Technology Co ltd
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Shaoguan Beitextile Technology Co ltd
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    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06PDYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00General 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
    • D06P1/30General 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 sulfur dyes
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06PDYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00General 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
    • D06P1/44General 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
    • D06P1/653Nitrogen-free carboxylic acids or their salts
    • D06P1/6533Aliphatic, araliphatic or cycloaliphatic
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06PDYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00General 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
    • D06P1/44General 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
    • D06P1/673Inorganic compounds
    • D06P1/67333Salts or hydroxides
    • D06P1/6735Salts or hydroxides of alkaline or alkaline-earth metals with anions different from those provided for in D06P1/67341

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Coloring (AREA)

Abstract

The invention discloses a black sulfide dye solution, which comprises liquid black sulfide, sodium hydroxide and sodium formate, wherein the concentration of the liquid black sulfide is 85g/L-120g/L; the concentration of sodium hydroxide is 36g/L-46g/L, and the concentration of sodium formate is 30g/L-50g/L. The sulfur black dye liquor provided by the invention has the advantages that the reducing agent is sodium formate, hydrogen sulfide gas is not generated in the oxidation process, the environment is good, and the dyeing effect is good.

Description

Vulcanized black dye solution and application thereof
Technical Field
The invention relates to the field of a coloring agent, in particular to a vulcanized black dye solution and application thereof.
Background
The application and development of sulfur dyes have been over a hundred years, and particularly in recent years, research progress on sulfur dyes has been significantly broken through, and the application in dyeing is gradually perfected. The sulfur dye is favored by a large number of manufacturers due to the advantages of low production investment, wide application range and the like. The world production of sulfur dyes is also increasing year by year, and the annual consumption is very large. Sulfur dyes have a number of advantages: the synthesis is simple, the price is low, and the fastness is good. The sulfur dye is not directly dissolved in water, and can not directly dye fibers through water, but can be reduced by a reducing agent to become leuco bodies which are dissolved in the water, are directly absorbed by the fibers and are diffused in the fibers; when oxidized by air or some oxidizer, it returns to its insoluble state and becomes immobilized on the fibers. Sulfur dyes are one of the most widely used cotton dyes at present. The annual consumption of sulfur dyes is about 125,000 to 145,000 tons, and the sulfur dyes are used in very high amounts in this data. Among them, sulfur black is the most commonly used sulfur dye, accounting for 70% -80% of the sulfur dye. The traditional sulfur dyes mostly use sodium sulfide as a reducing agent, and are low in price, but high-pollution waste water which is difficult to treat is generated in the production process, so that the sulfur content in the dyeing waste water is very high, and the dyeing waste water is extremely difficult to treat; the hydrogen sulfide released during the treatment is severely toxic, which is limited by environmental protection and toxicity.
The raw material of the sulfur black dye is aromatic ammonia or phenol compound, and is prepared by eutectic melting of sodium sulfide or sulfur. The composition of the catalyst comprises sulfur free radical bonds, wherein the free radical bonds comprise at least two sulfur atoms, the molecular structure of the catalyst is free of water-soluble groups and is insoluble in water; however, the molecular structure of the catalyst contains a disulfide bond, and the catalyst is soluble in alkaline water through reduction. In practical application and production, sulfur dye is reduced by a reducing agent to form a leuco body which can be dissolved in alkaline solution; the leuco bodies are directly attached to the fibers, can be adsorbed by the fibers and internally diffuse, and are then fixed on the fibers by oxidation reaction deposition.
In recent years, research at home and abroad has focused on improvements in dyes. For example, a dieresul RDT dye developed by swiss is a dye prepared by pre-reducing glucose and sodium hydroxide into a sulfur solution, and only glucose is added as a reducing agent in the subsequent dyeing process; for example, chinese patent application No. 2021108821707 discloses that adding thiourea dioxide to concentrated alkali can epoxy the sulfur black. The glucose is oxidized to generate no hydrogen sulfide, and the thiourea dioxide is oxidized to generate sodium sulfite, so that the toxicity and pollution caused by the discharge of the hydrogen sulfide in the atmosphere are avoided. Glucose and thiourea dioxide are environment-friendly sulfur black reducing agents at present, but the dyeing effect of the sulfur black reducing agents does not have much room for improvement at present, and the invention aims to provide the environment-friendly sulfur dye reducing agent with better dyeing effect and application thereof.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide the environment-friendly sulfur dye with better dyeing effect.
The invention adopts the following technical scheme:
a kind of black sulfide dye liquor, including liquid black sulfide, sodium hydroxide and sodium formate, the concentration of liquid black sulfide is 85g/L-120g/L; the concentration of sodium hydroxide is 36g/L-46g/L, and the concentration of sodium formate is 30g/L-50g/L.
Preferably, the concentration of the liquid sulfur black is 90g/L to 110g/L.
Preferably, the concentration of sodium hydroxide is 42g/L to 46g/L.
Preferably, the concentration of sodium formate is 30g/L to 44g/L.
The invention also provides application of the sulfur black dye liquor, which is characterized by being used for dyeing the fabric.
Compared with the prior art, the invention has the beneficial effects that:
the sulfur black dye liquor provided by the invention has the advantages that the reducing agent is sodium formate, hydrogen sulfide gas is not generated in the oxidation process, the environment is good, and the dyeing effect is good.
Detailed Description
In order to make the technical problems solved, the technical solutions adopted and the technical effects achieved by the present invention more clear, the technical solutions of the embodiments of the present invention will be described in further detail below, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, based on the embodiments of the invention, which a person skilled in the art would obtain without making any inventive effort, are within the scope of the invention.
Examples 1 to 8
The concentration of sodium formate in the black sulfide dye liquor was 40g/L, the concentration of sodium hydroxide was 40g/L, and the concentrations of liquid black sulfide in examples 1-8 were 85g/L,90g/L,95g/L,100g/L,105g/L,110g/L,115g/L and 120g/L, respectively.
Examples 9 to 14
The concentration of liquid black sulfide in the black sulfide dye liquor was 100g/L, the concentration of sodium hydroxide was 40g/L, and the concentration of sodium formate in examples 9-14 was 30g/L,36g/L,38g/L,42g/L,44g/L and 50g/L, respectively.
Examples 15 to 19
The concentration of liquid black sulfide in the black sulfide dye liquor is 100g/L, the concentration of sodium formate is 40g/L, and the concentration of sodium hydroxide in examples 15-19 is 36g/L,38g/L,42g/L,44g/L and 46g/L, respectively.
Comparative examples 1 to 6
The concentration of sodium sulfide in the black sulfide dye liquor was 40g/L, the concentration of sodium hydroxide was 40g/L, and the concentrations of liquid black sulfide in comparative examples 1-6 were 85g/L,90g/L,95g/L,100g/L,105g/L and 110g/L, respectively.
Comparative examples 7 to 12
The concentration of liquid black sulfide in the black sulfide dye liquor was 100g/L, the concentration of sodium hydroxide was 40g/L, and the concentrations of sodium sulfide in comparative examples 7-12 were 30g/L,36g/L,38g/L,42g/L,44g/L and 50g/L, respectively.
Comparative examples 13 to 17
The concentration of liquid black sulfide in the black sulfide dye liquor was 100g/L, the concentration of sodium sulfide was 40g/L, and the concentrations of sodium hydroxide in comparative examples 13-17 were 36g/L,38g/L,42g/L,44g/L and 46g/L, respectively.
Comparative examples 18 to 23
The concentration of glucose in the black sulfide dye liquor was 40g/L, the concentration of sodium hydroxide was 40g/L, and the concentrations of liquid black sulfide in comparative examples 18-23 were 85g/L,90g/L,95g/L,100g/L,105g/L and 110g/L, respectively.
Comparative examples 24 to 29
The concentration of liquid black sulfide in the black sulfide dye solution was 100g/L, the concentration of sodium hydroxide was 40g/L, and the concentrations of glucose in comparative examples 24 to 29 were 30g/L,36g/L,38g/L,42g/L,44g/L and 50g/L, respectively.
Comparative examples 30 to 34
The concentration of liquid sulfur black in the sulfur black dye solution is 100g/L, the concentration of glucose is 40g/L, and the concentration of sodium hydroxide in the comparative examples 30-34 is 36g/L,38g/L,42g/L,44g/L and 46g/L, respectively.
Comparative examples 35 to 40
The concentration of thiourea dioxide in the black sulfide dye solution was 40g/L, the concentration of sodium hydroxide was 40g/L, and the concentrations of the liquid black sulfide in comparative examples 35-40 were 85g/L,90g/L,95g/L,100g/L,105g/L and 110g/L, respectively.
Comparative examples 41 to 46
The concentration of liquid sulfur black in the sulfur black dye solution is 100g/L, the concentration of sodium hydroxide is 40g/L, and the concentration of thiourea dioxide in comparative examples 41-46 is 30g/L,36g/L,38g/L,42g/L,44g/L and 50g/L, respectively.
Comparative examples 47 to 51
The concentration of liquid sulfur black in the sulfur black dye solution is 100g/L, the concentration of thiourea dioxide is 40g/L, and the concentration of sodium hydroxide in comparative examples 47-51 is 36g/L,38g/L,42g/L,44g/L and 46g/L, respectively.
Pad dyeing, namely heating the dye solutions of examples 1-19 and comparative examples 1-51 to 95 ℃, and keeping the temperature for reaction for 10min; soaking the yarn to be dyed in the dye liquor for 1min (fully absorbing); then pad dyeing is carried out on a pneumatic electric padder (the padding residual rate is 40% -50%, one padding is carried out), air oxidation is carried out for one minute (leuco body is oxidized to dye deposit on the fiber), and then the fiber is put into 10g/L acetic acid for soaking for 45s (neutralizing alkali remained on the yarn and fixing the color of the yarn); washing off the floating color, and finally putting the mixture into a 100 ℃ electrothermal blowing oven for baking for 10 minutes.
The dyed yarn was tested for K/S value (apparent color depth) using a test color matching instrument of the american alic model number Ci 7800. 4 samples were tested and the average of the results of the 4 tests was taken. Color analysis color intensity (kilo/sec) was calculated by using reflectance measurements:
where K represents the absorption coefficient, S represents the scattering coefficient, and R represents the reflectance. As can be seen from the formula, the larger the K/S value is, the better the dyeing color is; the smaller the K/S, the poorer the dyeing effect. The test results are shown in tables 1 to 4.
TABLE 1 influence of liquid sulfur black concentration changes on dyeing effect
As is clear from Table 1, examples 1 to 9 were excellent in dyeing effect when the concentrations of the reducing agent and sodium hydroxide were constant, and in particular, the K/S values were the highest among the four reducing agents when the concentrations of the liquid sulfur black were 42g/L to 46g/L.
TABLE 2 influence of reducing agent concentration changes on dyeing effect
As is clear from Table 2, the dyeing effect of examples 10 to 14 was good when the concentrations of liquid sulfur black and sodium hydroxide were constant, and the K/S values were the highest among the four reducing agents, especially when the concentrations of the reducing agents were 30g/L to 44g/L.
TABLE 3 influence of sodium hydroxide concentration changes on dyeing effect
As is clear from Table 3, the phase dyeing effect of examples 15 to 19 is good when the concentrations of liquid sulfur black and the reducing agent are constant, and the K/S value is the highest among the four reducing agents especially when the concentration of the reducing agent is 30g/L to 44g/L.
Fastness to washing with soap: the yarn after cleaning of example 4, comparative example 21 and comparative example 38 was subjected to a soaping test using GB/T3921-2008 standard, and the yarn was subjected to a test according to the test standard and a multi-fiber cloth to prepare test pieces, and the test was carried out according to the standard.
The weight of the whole fabric is weighed on a balance, and then the whole fabric is mixed with standard detergent obtained by 5g/L soap powder and 5g/L anhydrous sodium carbonate, the mixture is put into a SW-24 washing fastness tester according to the bath ratio of 1:50, the washing time is 30min, the washing reaction is 60 ℃, and the reaction is completed to dry the multi-fiber lining cloth. The results were judged by a standard color chart, and the higher the rating, the higher the soaping fastness, the data are shown in Table 4.
Table 4 soaping fastness test
Color fastness Properties Comparative example 4 Comparative example 21 Comparative example 38 Example 4
Fastness to soaping 3-4 4 3 3-4
As can be seen from Table 4, the color fastness of the soaping of the black sulfide dye liquor using sodium formate as the reducing agent can reach the average level of the existing common reducing agents, namely sodium sulfide, glucose and thiourea dioxide corresponding to the black sulfide dye liquor.

Claims (5)

1. The black sulfide dye liquor is characterized by comprising liquid black sulfide, sodium hydroxide and sodium formate, wherein the concentration of the liquid black sulfide is 85g/L-120g/L; the concentration of the sodium hydroxide is 36g/L-46g/L, and the concentration of the sodium formate is 30g/L-50g/L.
2. The black sulfide dye liquor according to claim 1, wherein the concentration of the liquid black sulfide is 90g/L to 110g/L.
3. The black sulfide dye liquor according to claim 1, wherein the concentration of sodium hydroxide is 42g/L-46g/L.
4. The black sulfide dye liquor according to claim 1, wherein the concentration of sodium formate is 30g/L to 44g/L.
5. Use of a sulphur black liquor according to any of claims 1 to 4 for dyeing of fabrics.
CN202311038774.9A 2023-08-16 2023-08-16 Vulcanized black dye solution and application thereof Active CN117005215B (en)

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CN117738014A (en) * 2024-01-05 2024-03-22 广东职业技术学院 Environment-friendly sulfur dye composite reducing agent and application thereof

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191107057A (en) * 1910-04-01 1911-09-14 Gustav Christian Doerr Improvements in the Process of Dyeing Vegetable Fibre.
GB419817A (en) * 1933-05-09 1934-11-09 Ig Farbenindustrie Ag The manufacture of new sulphur dyestuff preparations
US4886518A (en) * 1987-10-01 1989-12-12 Ciba-Geigy Corporation Dyeing cellulose fibres without incurring ending with colorless pyrimidine, triazine, aromatic, furfuryl or quinolinyl compound
CN102108215A (en) * 2009-12-26 2011-06-29 滨州市惠友化工有限公司 Method for producing liquid sulfur black dye
CN103013177A (en) * 2012-12-26 2013-04-03 山东新家园精细化学品有限公司 Active sulfur black dye and preparation method thereof
CN105386333A (en) * 2015-12-17 2016-03-09 常熟市创裕印染有限公司 Environmentally-friendly dye
CN107541963A (en) * 2016-06-28 2018-01-05 石家庄美施达生物化工有限公司 One group of compound and its application method for being used to stablize sulfur dyeing reduction system current potential and dyeability
CN110438823A (en) * 2019-07-30 2019-11-12 韶关市北纺智造科技有限公司 It is a kind of to vulcanize indigo co-bathing dyeing composition and One Bath Dyeing
CN111286996A (en) * 2020-03-04 2020-06-16 韶关市北纺智造科技有限公司 Sulfur dye mixed dyeing composition and dyeing process
CN113668262A (en) * 2021-08-02 2021-11-19 浙江鑫兰纺织有限公司 Production process of anti-aging jean fabric

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191107057A (en) * 1910-04-01 1911-09-14 Gustav Christian Doerr Improvements in the Process of Dyeing Vegetable Fibre.
GB419817A (en) * 1933-05-09 1934-11-09 Ig Farbenindustrie Ag The manufacture of new sulphur dyestuff preparations
US4886518A (en) * 1987-10-01 1989-12-12 Ciba-Geigy Corporation Dyeing cellulose fibres without incurring ending with colorless pyrimidine, triazine, aromatic, furfuryl or quinolinyl compound
CN102108215A (en) * 2009-12-26 2011-06-29 滨州市惠友化工有限公司 Method for producing liquid sulfur black dye
CN103013177A (en) * 2012-12-26 2013-04-03 山东新家园精细化学品有限公司 Active sulfur black dye and preparation method thereof
CN105386333A (en) * 2015-12-17 2016-03-09 常熟市创裕印染有限公司 Environmentally-friendly dye
CN107541963A (en) * 2016-06-28 2018-01-05 石家庄美施达生物化工有限公司 One group of compound and its application method for being used to stablize sulfur dyeing reduction system current potential and dyeability
CN110438823A (en) * 2019-07-30 2019-11-12 韶关市北纺智造科技有限公司 It is a kind of to vulcanize indigo co-bathing dyeing composition and One Bath Dyeing
CN111286996A (en) * 2020-03-04 2020-06-16 韶关市北纺智造科技有限公司 Sulfur dye mixed dyeing composition and dyeing process
CN113668262A (en) * 2021-08-02 2021-11-19 浙江鑫兰纺织有限公司 Production process of anti-aging jean fabric

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