CN110777020A - Composite washing assistant and preparation method and application thereof - Google Patents
Composite washing assistant and preparation method and application thereof Download PDFInfo
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- CN110777020A CN110777020A CN201911060557.3A CN201911060557A CN110777020A CN 110777020 A CN110777020 A CN 110777020A CN 201911060557 A CN201911060557 A CN 201911060557A CN 110777020 A CN110777020 A CN 110777020A
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/34—Organic compounds containing sulfur
- C11D3/3472—Organic compounds containing sulfur additionally containing -COOH groups or derivatives thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/34—Organic impregnating agents
- B27K3/50—Mixtures of different organic impregnating agents
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/20—Organic compounds containing oxygen
- C11D3/2075—Carboxylic acids-salts thereof
- C11D3/2079—Monocarboxylic acids-salts thereof
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/34—Organic compounds containing sulfur
- C11D3/349—Organic compounds containing sulfur additionally containing nitrogen atoms, e.g. nitro, nitroso, amino, imino, nitrilo, nitrile groups containing compounds or their derivatives or thio urea
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/37—Polymers
- C11D3/3746—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C11D3/3757—(Co)polymerised carboxylic acids, -anhydrides, -esters in solid and liquid compositions
- C11D3/3765—(Co)polymerised carboxylic acids, -anhydrides, -esters in solid and liquid compositions in liquid compositions
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D9/00—Compositions of detergents based essentially on soap
- C11D9/04—Compositions of detergents based essentially on soap containing compounding ingredients other than soaps
- C11D9/22—Organic compounds, e.g. vitamins
- C11D9/26—Organic compounds, e.g. vitamins containing oxygen
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D9/00—Compositions of detergents based essentially on soap
- C11D9/04—Compositions of detergents based essentially on soap containing compounding ingredients other than soaps
- C11D9/22—Organic compounds, e.g. vitamins
- C11D9/32—Organic compounds, e.g. vitamins containing sulfur
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
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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
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
- D06P5/02—After-treatment
- D06P5/04—After-treatment with organic compounds
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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
- D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
- D06P5/02—After-treatment
- D06P5/04—After-treatment with organic compounds
- D06P5/06—After-treatment with organic compounds containing nitrogen
-
- 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
- D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
- D06P5/02—After-treatment
- D06P5/04—After-treatment with organic compounds
- D06P5/08—After-treatment with organic compounds macromolecular
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Abstract
The invention provides a composite washing aid and a preparation method and application thereof, belonging to the technical field of washing aids. The composite washing assistant provided by the invention is prepared from the following components in parts by mass: 30-35 parts of carboxyethyl sulfosuccinic acid; 5-8 parts of polyacrylic acid; 1-5 parts of glacial acetic acid; 3-5 parts of urea sulfate; 40-65 parts of water. The composite washing assistant provided by the invention has strong chelating force and scum dispersing force on calcium, magnesium and iron ions, and can prevent generation of precipitates and recontamination of metal salts on various fibers in the printing, dyeing and finishing process. After the composite washing assistant disclosed by the invention is used for soaping, the dyed cotton fabric is most neutral; in the aspect of soaping capability, a comparative test is carried out on the composite washing aid and the dragon mountain acid soaping agent, and the test shows that the color fastness is good and the color change is close to that after the composite washing aid provided by the invention is used for soaping black, red and turquoise blue textiles.
Description
Technical Field
The invention relates to the technical field of washing aids, in particular to a composite washing aid and a preparation method and application thereof.
Background
With the development of textile, steel, electric power and other industries, people pay more attention to how to select a soaping agent which is efficient, energy-saving, time-saving, green and environment-friendly. Especially in the active soaping process of the textiles, most of the textiles need to be washed off loose color by a soaping agent after being dyed, and the process generally comprises the following steps: the method comprises the following steps of washing with water (cold water, 20-30 ℃, 5min) → washing with water (hot water, 60-70 ℃, 5min) → soaping (common soaping agent, 2g/L, 95 ℃,10 min) → acetic acid neutralization (0.5g/L, 30min) → washing with water (hot water, 60-70 ℃, 5min) → washing with water (cold water, 20-30 ℃, 5min) → dehydration and drying, wherein the soaping agent is often added in advance for soaping in the process, and then acetic acid neutralization is carried out, so that the steps are complex, a large amount of manpower and material resources are required, and the cost is high.
Disclosure of Invention
In view of the above, the present invention aims to provide a composite detergent additive, a preparation method and applications thereof. The composite washing auxiliary provided by the invention has excellent water solubility, metal ion chelating force and washing effect.
The preparation method provided by the invention is simple to operate and suitable for industrial production.
The compound washing aid provided by the invention has a wide application range; when the dye is applied to soaping of dyed textiles, the dyed textiles have approximate color change and high color fastness; and the soaping process is simple and the cost is low.
In order to achieve the above object, the present invention provides the following technical solutions:
the invention provides a composite washing assistant which is prepared from the following components in parts by mass:
30-35 parts of carboxyethyl sulfosuccinic acid;
5-8 parts of polyacrylic acid;
1-5 parts of glacial acetic acid;
3-5 parts of urea sulfate;
40-65 parts of water.
Preferably, the compound washing assistant is prepared from the following components in parts by mass:
31-34 parts of carboxyethyl sulfosuccinate;
5-7 parts of polyacrylic acid;
1.5-4 parts of glacial acetic acid;
4-5 parts of urea sulfate;
45-60 parts of water.
Preferably, the molecular weight of the polyacrylic acid is 4000-6000.
The invention provides a preparation method of the compound washing assistant in the technical scheme, which comprises the following steps:
and mixing carboxyethyl thiosuccinic acid, polyacrylic acid, glacial acetic acid, urea sulfate and water to obtain the composite washing aid.
The invention provides the application of the composite washing aid in the technical scheme or the composite washing aid prepared by the preparation method in the technical scheme in an acidic derusting cleaning agent, an acidic electroplating cleaning agent, a silver ion dispersing agent, a scale remover or a wood impregnant on the surface of metal.
The invention provides the application of the compound washing aid in the technical scheme or the compound washing aid prepared by the preparation method in the technical scheme in soaping of dyed textiles.
Preferably, the application method of the compound washing assistant in soaping of dyed textiles comprises the following steps:
and (3) washing the dyed textile with water, soaping by adopting a composite washing auxiliary agent, dehydrating and drying in sequence.
Preferably, the mass of the composite washing assistant is 1-3% of that of the dyed textile.
Preferably, the soaping temperature of the compound washing assistant is 90-98 ℃.
The invention provides a composite washing assistant which is prepared from the following components in parts by mass: 30-35 parts of carboxyethyl sulfosuccinic acid; 5-8 parts of polyacrylic acid; 1-5 parts of glacial acetic acid; 3-5 parts of urea sulfate; 40-65 parts of water. The compound washing auxiliary agent obtained by using carboxyethyl thiosuccinic acid as a main body and using polyacrylic acid, glacial acetic acid and urea sulfate in a matching manner has excellent water solubility, metal ion chelating force and washing effect; and water is used as a solvent, so that secondary pollution is avoided, and the green environmental protection concept is met.
When the composite washing assistant provided by the invention is used for the textile reactive dye soaping agent, the three-in-one of cleaning, peracid and anti-contamination can be realized, one-time pickling or several-time washing can be reduced, the investment of a large amount of manpower and material resources is reduced, the pressure of sewage treatment is reduced, water is saved, and the cost and time of fabric washing are reduced. Moreover, the composite washing assistant provided by the invention has better chelation capacity to calcium ions, magnesium ions and iron ions than a dragon acid soaping agent, can soften water quality in the process of dyeing and printing, has strong chelating force and scum dispersing force to calcium ions, magnesium ions and iron ions, prevents generation of precipitates and scum generated by other pollutants in the dyeing and finishing process, can slowly dissolve and remove silicon scale, calcium soap precipitates and oligomers in equipment, prevents recontamination of various fibers by metal salts, improves whiteness, vividness and color fastness of bleaching, dyeing and printing products, and can prevent white background of the printing products and yarn-dyed products from being contaminated. As shown in the results of the examples, the compound washing assistant provided by the invention has strong chelating ability on calcium ions, magnesium ions and iron ions; after the compound washing assistant provided by the invention is used for soaping, the reactive dye is most neutral; in the aspect of soaping capability, compared with the dragon mountain acid soaping agent, the composite washing auxiliary agent provided by the invention has the advantages that after soaping black, red and turquoise blue textiles, the color fastness of dyed textiles is better, and the color change before and after soaping is approximate.
The preparation method provided by the invention is simple to operate and suitable for industrial production.
Drawings
FIG. 1 is a comparative color change and soaping color fastness test chart of a black textile before and after soaping of the composite washing aid prepared in example 1 and the dragon's acid soaping agent with the same concentration;
fig. 2 is a comparative discoloration condition and soaping color fastness test chart of a bright red textile and an emerald blue textile before and after soaping of the compound washing aid prepared in example 1 and the dragon acid soaping agent with the same concentration, wherein 1 is emerald blue, and 2 is bright red;
FIG. 3 is a comparative discoloration condition and soaping color fastness test chart of reactive dyes before and after soaping of the composite washing aid prepared in example 1 and a carboxyethylthiosuccinic acid aqueous solution with the same concentration.
Detailed Description
The invention provides a composite washing assistant which is prepared from the following components in parts by mass:
30-35 parts of carboxyethyl sulfosuccinic acid;
5-8 parts of polyacrylic acid;
1-5 parts of glacial acetic acid;
3-5 parts of urea sulfate;
45-60 parts of water.
In the present invention, all the raw material components are commercially available products well known to those skilled in the art unless otherwise specified.
In the invention, the compound washing assistant is preferably prepared from the following components in parts by mass: 31-34 parts of carboxyethyl sulfosuccinate; 5-7 parts of polyacrylic acid; 1.5-4 parts of glacial acetic acid; 4-5 parts of urea sulfate; 45-60 parts of water.
In the invention, the raw materials for preparing the compound washing assistant comprise, by weight, 30-35 parts of carboxyethylthiosuccinic acid, preferably 31-34 parts, and more preferably 31 parts, 32 parts, 33 parts, or 34 parts. The carboxyethylthiosuccinic acid (CETSA) adopted by the invention contains three carboxyl and sulfenyl structures, is a strong-acid organic compound, has excellent dispersing and cleaning capabilities, can efficiently have very strong chelating force and scum dispersing force with metal ions such as calcium, magnesium, zinc, iron, manganese and the like and impurities, can prevent generation of precipitates and recontamination of metal salts to various fibers in the printing and dyeing finishing process, and has excellent washing effect.
In the invention, the raw materials for preparing the compound washing assistant comprise 5-8 parts of polyacrylic acid, preferably 5-7 parts, more preferably 5, 6 or 7 parts by weight of carboxyethyl sulfosuccinate. In the invention, the molecular weight of the polyacrylic acid is preferably 4000-6000, more preferably 4500-5500, and most preferably 5000. According to the invention, polyacrylic acid and carboxyethyl thiosuccinic acid are used in a matching manner, so that the high-efficiency strong chelating force and scum dispersing force of the compound washing auxiliary agent on metal ions such as calcium, magnesium, zinc, iron, manganese and the like and impurities can be improved, and the washing effect of the washing auxiliary agent is further improved.
In the invention, on the basis of the weight parts of the carboxyethylthiosuccinic acid, the raw materials for preparing the compound washing assistant comprise 1-5 parts of glacial acetic acid, preferably 1.5-4 parts, and more preferably 1.5 parts, 2 parts, 2.5 parts, 3 parts, 3.5 parts or 4 parts. In the invention, the glacial acetic acid is preferably prepared into an acetic acid solution for use, and the mass fraction of the acetic acid solution is preferably 50-98%, more preferably 60-80%, and most preferably 60%. The three acids of glacial acetic acid, polyacrylic acid and carboxyethyl thiosuccinic acid are matched for use, so that the alkali on the fabric can be quickly and thoroughly neutralized, the salt generated after the alkali neutralization cannot be remained on the fabric, the composite detergent additive has efficient chelating and dispersing effects on heavy metal ions such as calcium, magnesium and iron and impurities in hard water, and the washing effect of the composite detergent additive is obviously improved.
In the invention, on the basis of the weight parts of the carboxyethylthiosuccinic acid, the raw materials for preparing the compound washing assistant comprise 3-5 parts of urea sulfate, preferably 3.5-4.5 parts of urea sulfate, and more preferably 4 parts of urea sulfate. According to the invention, three acids of urea sulfate, carboxyethyl sulfosuccinic acid, polyacrylic acid and glacial acetic acid are used in a matching manner, so that the metal ion chelating force is excellent, the alkali on the fabric can be rapidly and thoroughly neutralized, the salt generated after alkali neutralization can not be remained on the fabric, the composite washing assistant has an efficient chelating and dispersing effect on heavy metal ions such as calcium, magnesium, iron and the like and impurities in hard water, can be used as an active dye dyeing and printing soaping agent, the floating color removing effect is obvious, and the obtained composite washing assistant is free of bubbles, and has excellent acid resistance, alkali resistance and electrolyte resistance.
In the invention, the raw materials for preparing the compound washing assistant comprise, by weight, 40-65 parts of water, preferably 45-60 parts of water, more preferably 45 parts of water, 50 parts of water, 55 parts of water or 60 parts of water; the amount of water preferably includes the amount of water in the acetic acid solution described above. In the present invention, the water is preferably deionized water, distilled water or high purity water. The invention takes water as solvent, does not produce secondary pollution and accords with the concept of environmental protection.
The invention provides a preparation method of the compound washing assistant in the technical scheme, which comprises the following steps:
and mixing carboxyethyl thiosuccinic acid, polyacrylic acid, glacial acetic acid, urea sulfate and water to obtain the composite washing aid.
In the invention, the preferred mixing mode of the carboxyethyl thiosuccinic acid, the polyacrylic acid, the glacial acetic acid, the urea sulfate and the water is stirring mixing, and the preferred rotating speed of the stirring mixing is 300-500 r/min, and more preferably 350-450 r/min; the order of mixing is preferably a first mixing of water and polyacrylic acid, a second mixing with carboxyethylthiosuccinic acid, and then a third mixing with glacial acetic acid and urea sulfate. In the invention, the time of the first mixing is preferably 15-25 min, and more preferably 20 min; the second mixing time is preferably 25-35 min, and more preferably 30 min; the time for the third mixing is preferably 15 to 25min, and more preferably 20 min. The preparation method provided by the invention is simple to operate and suitable for industrial production.
The invention provides the application of the composite washing aid in the technical scheme or the composite washing aid prepared by the preparation method in the technical scheme in an acidic derusting cleaning agent, an acidic electroplating cleaning agent, a silver ion dispersing agent, a scale remover or a wood impregnant on the surface of metal.
The invention provides the application of the compound washing aid in the technical scheme or the compound washing aid prepared by the preparation method in the technical scheme in soaping of dyed textiles.
In the invention, the application method of the compound washing assistant in soaping of dyed textiles preferably comprises the following steps:
and (3) washing the dyed textile, soaping by adopting a composite washing auxiliary agent, washing, dehydrating and drying in sequence.
In the invention, the temperature of the water washing is preferably 60-70 ℃ independently, and more preferably 65-68 ℃; the mass ratio of the water to be washed to the dyed textile is (9-13): 1, and more preferably (10-12): 1.
In the invention, the mass of the composite washing assistant is preferably 1-3%, more preferably 1-2.5%, and most preferably 1.5-2% of the mass of the dyed textile. In the invention, the soaping temperature of the compound washing assistant is preferably 90-98 ℃, and more preferably 95 ℃.
The dehydration method of the present invention is not particularly limited, and a dehydration method known in the art may be used. The temperature and time for drying in the present invention are not particularly limited, and those known in the art can be used.
The composite washing assistant provided by the invention is applied to soaping of dyed textiles, and has the following advantages: (1) can be used as a soaping agent for dyeing and printing of reactive dyes, and has obvious flooding removing effect; (2) can quickly and thoroughly neutralize the alkali on the fabric,and does not remain on the fabric after neutralization; (3) the water treatment agent has high-efficiency chelating and dispersing effects on heavy metal ions such as calcium, magnesium and iron and impurities in hard water; (4) the acid, alkali and electrolyte products are very stable and foamless at the concentration (1-3 g/L) commonly used in the composite washing assistant, and have excellent acid, alkali and electrolyte resistance; (5) uses water solvent, does not contain APEO, benzene, phosphorus, formaldehyde and other contraband substances, and conforms to the European Union
Standard100 Standard. The composite washing assistant provided by the invention is applied to the soaping process of dyed textiles, can combine three functions of cleaning, peracid and anti-contamination, synchronously complete the soaping and neutralization of the textiles, save the process steps and time, and realize the purposes of saving energy and reducing cost.
The technical solution of the present invention will be clearly and completely described below with reference to the embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The composite washing assistant comprises the following raw materials in parts by weight: 32 parts of carboxyethyl thiosuccinic acid, 5 parts of polyacrylic acid, 5 parts of acetic acid solution (60 wt%), 3 parts of urea sulfate and 55 parts of deionized water.
And (2) placing polyacrylic acid and deionized water into a high-speed dispersion machine, stirring for 20min at the speed of 500r/min, adding carboxyethyl thiosuccinic acid, stirring for 30min, adding glacial acetic acid and urea sulfate, and stirring for 20min to obtain the composite washing assistant.
Example 2
The composite washing assistant comprises the following raw materials in parts by weight: 35 parts of carboxyethyl thiosuccinic acid, 4 parts of polyacrylic acid, 3 parts of acetic acid solution (60 wt%), 4 parts of urea sulfate and 54 parts of deionized water.
And (2) placing polyacrylic acid and deionized water into a high-speed dispersion machine, stirring for 20min under the condition of 400r/min, adding carboxyethyl thiosuccinic acid, stirring for 30min, adding glacial acetic acid and urea sulfate, and stirring for 20min to obtain the composite washing assistant.
Example 3
The composite washing assistant comprises the following raw materials in parts by weight: 30 parts of carboxyethyl thiosuccinic acid, 3 parts of polyacrylic acid, 4 parts of acetic acid solution (60 wt%), 3 parts of urea sulfate and 60 parts of deionized water.
And (2) placing polyacrylic acid and deionized water into a high-speed dispersion machine, stirring for 20min at the speed of 450r/min, adding carboxyethyl thiosuccinic acid, stirring for 30min, adding glacial acetic acid and urea sulfate, and stirring for 20min to obtain the composite washing assistant.
Comparative example 1
A commercially available acid soaping agent of yam.
Comparative example 2
Diluting the carboxyethyl sulfosuccinic acid aqueous solution with the solid content of 33.2% by using deionized water to obtain the carboxyethyl sulfosuccinic acid aqueous solution.
Test example 1
The common soaping process of the dyed cotton fabric comprises the following steps: water washing (cold water, 25 ℃, 5min) → water washing (hot water, 65 ℃, 5min) → soaping (ordinary soaping agent, 2g/L, 95 ℃,10 min) → acetic acid neutralization (0.5g/L, 30min) → water washing (hot water, 65 ℃, 5min) → water washing (cold water, 25 ℃, 5min) → post-treatment.
The process for adopting the compound washing assistant provided by the embodiment 1 of the invention comprises the following steps: water washing (cold water, 25 ℃, 5min) → hot washing (hot water, 65 ℃, 5min) → soaping (product, 95 ℃, 2g/L, 10min) → water washing (hot water, 65 ℃, 5min) → water washing (cold water, 25 ℃, 5min) → post-treatment using the product.
Compared with the common soaping process, the composite washing assistant provided by the invention reduces the acetic acid neutralization step in the soaping process of the dyed cotton fabrics, if the bath ratio is 1:10 according to 250kg of cloth in each cylinder, the water consumption is 2.5 tons, the industrial water is 1.8 yuan/ton, the cost of softened water is 0.2 yuan/ton, and the cost of wastewater treatment is 3 yuan/ton. 1.25kg of glacial acetic acid is added into each cylinder for neutralization, the unit price is 3.4 yuan/kg, the neutralization time is 0.5h, the electricity fee is 1 yuan/degree, the price of a commercially available soaping agent M-262 is equivalent to that of the composite washing aid provided by the invention, the mass concentration of the commercially available soaping agent M-262 is 31 wt% of aqueous solution, the price is 15 yuan/kg, the power of a machine cylinder is 15kW, 5kg of the soaping agent needs to be added into each cylinder, the commercially available soaping agent M-262 and the composite washing aid provided by the invention are respectively adopted, and the cost of the textile reactive dye soaping process is shown in table 1.
TABLE 1 soaping cost comparison (Yuan)
| Saving items | Soaping agent M-262 | EXAMPLE 1 composite detergent builder | Save money |
| Water resource | 2.5×(1.8+0.2+3)＝12.5 | － | 12.5 |
| Glacial acetic acid | 1.25×3.4＝4.25 | － | 4.25 |
| Electric power | 0.2×1×15＝3 | － | 3 |
| Steam generating deviceTime of day | Consuming steam for a certain time | － | － |
| Artificial operation | Consume a certain amount of manpower | － | － |
| Soap detergent price | 15×5＝75 | 15×5＝75 | 0 |
| Total up to | 94.75 | 75 | 19.75 |
As can be seen from Table 1, the compound washing aid provided by the invention can save 19.75 yuan per cylinder, simultaneously reduce the acid neutralization step, and save certain manpower and material resources. According to the example of processing 20 tons of cotton knitting per day by a certain company, the cost saved per day is 19.75 multiplied by 20000 divided by 250-1580 yuan, 1580 multiplied by 365-57.7 ten thousand yuan can be saved per year, and the cost can be obviously reduced.
Test example 2
The properties of the composite detergent builder prepared in example 1 of the present invention and the commercially available dragon-fruit acid soaping agent are shown in table 2.
Table 2 composite detergency builder prepared in example 1, comparative example 1 (dragon's acid soaping agent) and comparative example
EXAMPLE 2 Properties of (aqueous carboxyethylthiosuccinic acid solution)
| Test items | Appearance of the product | Solid content/% (3h,105 ℃ C.) | pH value (10% aqueous solution) |
| Example 1 | Yellow clear liquid | 33.20 | 1.56 |
| Comparative example 1 | Yellow clear liquid | 33.20 | 1.98 |
| Comparative example 2 | Brown liquid | 33.2 | 1.89 |
As can be seen from Table 2, the composite washing aid prepared by the invention has lower acidity compared with the conventional commercially available acid detergent.
Test example 3
The composite washing aid prepared in example 1 of the invention and the commercially available dragon fruit acid soaping agent (comparative example 1) were respectively tested for their chelating abilities to calcium ions, iron ions and magnesium ions, wherein the method for determining the chelating ability to calcium ions was a calcium acetate method; the method for measuring the iron ion chelating capacity is an ammonium ferric sulfate titration method; the chelating ability of magnesium ions was measured by precipitation (magnesium chloride), and the results are shown in Table 3.
Table 3 chelating ability of the complex detergent builder and the dragon fruit acid soaping agent prepared in example 1
| Test items | Chelating value to calcium ion | Chelating value to magnesium ion | Chelating value to iron ion |
| Example 1 | 263 | 28 | 21 |
| Comparative example 1 | 151 | 27 | 0 |
As can be seen from Table 3, compared with the conventional commercially available acidic Shanlong soaping agent, the composite washing aid prepared by the invention has stronger chelating ability for calcium ions, iron ions and magnesium ions and better washing effect.
Test example 4
The soaping performance of the dyed cotton fabric was tested for the composite detergent builder prepared in example 1 and comparative example 1 (commercially available dragon acid soaping agent), respectively. Wherein, the soaping process comprises the following steps: dyeing-washing (one time washing with cold water at 25 ℃ to measure pH value) -soaping (95 ℃ soaping agent to measure pH value) -washing (one time washing with cold water at 25 ℃) -dehydrating-drying, and then carrying out color fastness test. The dyeing process is shown in table 4.
TABLE 4 dyeing Process for textiles
The concentrations of the compound washing assistant and the dragon-mountain acid soaping agent are 1g/L and 2g/L, the bath ratio is 1:12, the temperature is 95 ℃ and the time is 10min, and the pH value test results of the reactive dye before and after soaping are shown in Table 5.
TABLE 5 pH of reactive dyes before and after soaping
As can be seen from Table 5, the pH value of the dyed cotton fabric after being soaped by the composite washing aid prepared by the invention is closer to neutral.
The results of the comparative discoloration condition and the soaping color fastness test (ISO105-C03) of the black textile before and after soaping by adopting the compound washing aid and the dragon-acid soaping agent are shown in figure 1, and the results of the comparative discoloration condition and the soaping color fastness test (ISO105-C03) of the bright red textile and the turquoise blue textile are shown in figure 2, wherein 1 is turquoise blue, and 2 is bright red. As can be seen from FIGS. 1-2, after the composite washing aid prepared by the method is soaped by the dragon fruit acid soaping agent, the color change of the reactive dye is approximate; however, the dyed cotton fabric has better color fastness after being soaped by the composite washing assistant prepared by the invention.
Test example 5
The soaping performance of the compound type washing aid prepared in example 1 and the carboxyethylthiosuccinic acid aqueous solution provided in comparative example 2 were respectively tested. Wherein the soaping process comprises the following steps: dyeing-washing (one time washing with cold water at 25 ℃ and measuring pH value) -soaping (soaping agent at 95 ℃ and measuring pH value) -washing (cold water at 25 ℃) -dehydrating-drying, and then carrying out color fastness test. The dyeing process is shown in table 6.
TABLE 6 dyeing process of textiles
The concentrations of the compound washing assistant and the carboxyethylthiosuccinic acid aqueous solution are 1g/L and 2g/L, the bath ratio is 1:12, the temperature is 95 ℃ and the time is 10min, and the pH value test results of the dyed cotton fabric before and after soaping are shown in Table 7.
TABLE 7 pH values of dyed cotton fabrics before and after soaping
As can be seen from Table 7, the composite detergent builder provided by the present invention has better neutralizing ability than the single carboxyethylthiosuccinic acid aqueous solution.
The comparative discoloration and soaping fastness test (ISO105-C03) results of the dyed cotton fabric before and after soaping using the complex type washing aid prepared in example 1 and the carboxyethylsulfosuccinic acid aqueous solution of the same concentration as provided in comparative example 2 are shown in FIG. 3. As can be seen from FIG. 3, compared with the carboxyethylthiosuccinic acid aqueous solution, the color change of the dyed cotton fabric is closer and the color fastness is better after the compound washing aid prepared by the invention is soaped.
In conclusion, the composite washing assistant provided by the invention has better chelation capacity on calcium ions, magnesium ions and iron ions than the Shanlong acid soaping agent, can soften water quality in the process of dyeing and finishing, has strong chelating force and scum dispersing force on the calcium ions, the magnesium ions and the iron ions, prevents generation of precipitates and scum generated by other dirt in the dyeing and finishing process, can slowly dissolve and remove silicon scale, calcium soap precipitates and oligomers in equipment, prevents metal salt from recontaminating various fibers, improves whiteness, vividness and color fastness of bleaching, dyeing and printed products, and can prevent recontamination of white bases of the printed products and yarn-dyed products. Moreover, after the compound washing assistant provided by the invention is used for soaping, the dyed cotton fabric is most approximate to neutral; in the aspect of soaping capability, a comparative test is carried out on the composite washing auxiliary agent and the dragon fruit acid soaping agent, and the test shows that the product has better color fastness and closer color change after soaping black, red and turquoise blue.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. The composite washing aid is characterized by being prepared from the following components in parts by mass:
30-35 parts of carboxyethyl sulfosuccinic acid;
5-8 parts of polyacrylic acid;
1-5 parts of glacial acetic acid;
3-5 parts of urea sulfate;
40-65 parts of water.
2. The compound washing assistant according to claim 1, which is prepared from the following components in parts by mass:
31-34 parts of carboxyethyl sulfosuccinate;
5-7 parts of polyacrylic acid;
1.5-4 parts of glacial acetic acid;
4-5 parts of urea sulfate;
45-60 parts of water.
3. The composite washing aid as claimed in claim 1 or 2, wherein the polyacrylic acid has a molecular weight of 4000 to 6000.
4. The preparation method of the compound washing assistant according to any one of claims 1 to 3, characterized by comprising the following steps:
and mixing carboxyethyl thiosuccinic acid, polyacrylic acid, glacial acetic acid, urea sulfate and water to obtain the composite washing aid.
5. The composite washing aid of any one of claims 1 to 3 or the composite washing aid prepared by the preparation method of claim 4 is applied to an acidic derusting cleaning agent, an acidic electroplating cleaning agent, a silver ion dispersing agent, a scale remover or a wood impregnant for metal surfaces.
6. The use of the composite washing aid of any one of claims 1 to 3 or the composite washing aid prepared by the preparation method of claim 4 in soaping of dyed textiles.
7. The use according to claim 6, characterized in that the method for applying the composite washing aid in soaping of dyed textiles comprises the following steps:
and sequentially carrying out water washing, soaping of the composite washing auxiliary agent, water washing, dewatering and drying on the dyed textile.
8. The application method of claim 7, wherein the mass of the composite washing aid is 1-3% of the mass of the dyed textile.
9. The application method of claim 7, wherein the temperature for soaping the compound washing aid is 90-98 ℃.
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Cited By (1)
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| CN111593588A (en) * | 2020-06-01 | 2020-08-28 | 苏州大邦纺织有限公司 | Modified laccase soaping agent for soaping cotton fabrics and preparation method thereof |
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