CN110499218B - Efficient environment-friendly acid soaping agent and preparation method thereof - Google Patents
Efficient environment-friendly acid soaping agent and preparation method thereof Download PDFInfo
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- C07C319/14—Preparation of thiols, sulfides, hydropolysulfides or polysulfides of sulfides
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- 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
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- 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
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- 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
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- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
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- C11D3/34—Organic compounds containing sulfur
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- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
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- C11D3/3757—(Co)polymerised carboxylic acids, -anhydrides, -esters in solid and liquid compositions
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- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
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- C11D3/3769—(Co)polymerised monomers containing nitrogen, e.g. carbonamides, nitriles or amines
- C11D3/3773—(Co)polymerised monomers containing nitrogen, e.g. carbonamides, nitriles or amines in liquid compositions
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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
- D06P3/58—Material containing hydroxyl groups
- D06P3/60—Natural or regenerated cellulose
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- D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
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- 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
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Abstract
The invention belongs to the field of fine chemical engineering, and particularly relates to an environment-friendly acidic soaping agent and a preparation method thereof, wherein the soaping agent comprises the following components in parts by mass: 10-30 parts of carboxyethylthiosuccinic acid, 30-50 parts of acrylic acid-2-acrylamide-2-methylpropanesulfonic acid (AA/AMPS) copolymer, 20-50 parts of sodium gluconate, 5-10 parts of hydrolyzed polymaleic anhydride, 0.1-2 parts of surfactant, 0.5-10 parts of complexing agent and 30-50 parts of water. The invention has better effect of removing loose color after being acted on the reactive dye for cotton and blended fabrics, and ensures the color fastness and the brilliance of the fabrics; the soaping agent does not contain nitrogen and phosphorus, has strong acidity, can reduce the acid neutralization process before the conventional soaping, reduces the waste water discharge pressure, saves the manpower and the electric power cost, and has good market advantages.
Description
Technical Field
The invention belongs to the field of fine chemical engineering, and particularly relates to an efficient environment-friendly acid soaping agent and a preparation method thereof.
Background
The ubiquitous problem in the textile dyeing and finishing industry is that in dyeing, there are the incomplete dye-uptake of dyestuff and the problem that follow-up fabric colour fastness is low in the fixation process, consequently, need carry out a large amount of washings to the fabric after accomplishing the dyeing, the color buoyancy is got rid of in the soaping, improves the colour fastness of fabric to satisfy customer's user demand.
The traditional soaping agent mostly adopts phosphorus and nitrogen containing substances to cause serious eutrophication to the environment; the conventional soaping process mainly adopts a neutral soaping agent, and a large amount of water washing and acid washing are selected to reduce the PH of a working solution in the soaping process before soaping so as to reduce the hydrolysis of the reactive dye under the high-temperature soaping condition, thereby increasing the color fastness.
Therefore, it is one of the problems to be solved at present that the research of a soaping technology with high soaping effect (higher color fastness, rubbing fastness) and reduced environmental protection pressure in the washing process is urgent.
Disclosure of Invention
In order to solve the technical problems, the invention provides the efficient environment-friendly acid soaping agent which has better effect of removing loose color and ensures the color fastness and the brilliance of the fabric, and the components of the soaping agent do not contain nitrogen and phosphorus, so that the problem of rich nutrition of the environment is solved; the method has strong acidity, can reduce the acid neutralization process before the conventional soaping, reduces the waste water discharge pressure, and saves the manpower and the electric power cost.
The technical scheme of the invention is as follows:
the efficient environment-friendly acid soaping agent comprises the following components in parts by mass: 10-30 parts of carboxyethylthiosuccinic acid, 30-50 parts of acrylic acid-2-acrylamide-2-methylpropanesulfonic acid (AA/AMPS) copolymer, 20-50 parts of sodium gluconate, 5-10 parts of hydrolyzed polymaleic anhydride, 0.1-2 parts of surfactant, 0.5-10 parts of complexing agent and 30-50 parts of water.
Preferably, the complexing agent is one or two of 3- (2, 3-dithio (2-mercapto)) -1-thiopropyl-2, 3-dithio (2-mercapto) propane and 3- [2, 3-dithio (2-mercapto) -1- (1, 2-dithio) ] propyl-2-thio (2-mercapto)) -1-propanethiol, and the structural formula of the 3- (2, 3-dithio (2-mercapto)) -1-thiopropyl-2, 3-dithio (2-mercapto) propane is formula (I), and the structural formula of the 3- [2, 3-dithio (2-mercapto) -1- (1, 2-dithio) ] propyl-2-thio (2-mercapto)) -1-propanethiol is shown in the specification The structural formula is shown as formula (II):
preferably, the reaction process of the complexing agent is as follows:
preferably, the complexing agent is prepared as follows: weighing 1.0mol of 2, 3-dithio (2-mercapto) -1-propanethiol in a three-neck flask, heating in water bath to 55-65 ℃, adding 1.5-2.0mol of sulfur solid for 3-5 times, reacting for 1-1.5h under stirring, directly introducing the generated tail gas into alkaline solution for absorption, and cooling to room temperature after the reaction is finished to obtain white powder, namely the complexing agent.
The complexing agent used in the invention has better effect of removing loose color after acting on the reactive dye of cotton and blended fabrics, and ensures the color fastness and the brilliance of the fabrics.
Preferably, the alkaline solution is a sodium hydroxide solution or a potassium hydroxide solution.
Preferably, the carboxyethylthiosuccinic acid is prepared by the following steps: weighing maleic anhydride, dissolving in water, heating to 80-95 ℃, dropwise adding 3-mercaptopropionic acid by using a constant-pressure funnel for 1-1.5h, uniformly stirring, adding a catalyst accounting for 10% of the total mass of the maleic anhydride and the 3-mercaptopropionic acid, reacting for 3-4h at the constant temperature of 80-95 ℃, cooling, crystallizing, filtering to obtain a white solid, and drying in an oven to obtain carboxyethylthiosuccinic acid.
In the preparation process, the dropping time of the 3-mercaptopropionic acid is controlled to be 1-1.5h, so that sufficient reaction can be better ensured, and the problem of yield reduction possibly occurs when the dropping is too fast. The solvent used in the method is an aqueous solution to replace a toxic benzene solvent in the prior art, and the extraction step is omitted, so that the method has the advantages of simplifying the experimental process, reducing the cost, protecting the environment, being safe and the like.
Preferably, the molar ratio of maleic anhydride to 3-mercaptopropionic acid (1.05-1.1): 1.
preferably, the catalyst is one or more of triethylamine, resin type catalyst Sepl iteLSZ-106, Sepl iteLSZ-106S.
Preferably, the acrylic acid-2-acrylamido-2-methylpropanesulfonic acid copolymer has a molecular weight of 800-1500. Too large molecular weight, poor dispersibility, too small molecular weight, less hydrophilic groups, and influence hydrophilicity.
Preferably, the surfactant is one of tetradecyl dimethyl benzyl ammonium chloride and ethylene glycol phenyl ether, and is beneficial to uniform dispersion of different components in the formula.
The invention provides an efficient environment-friendly acid soaping agent, which is prepared by the following steps: adding acrylic acid-2-acrylamide-2-methylpropanesulfonic acid (AA/AMPS) copolymer into water, uniformly stirring, sequentially adding carboxyethylthiosuccinic acid, sodium gluconate, maleic anhydride, a surfactant and a complexing agent, and stirring and mixing to obtain a light yellow liquid, namely the efficient environment-friendly acidic soaping agent.
According to the efficient environment-friendly acid soaping agent provided by the invention, the acrylic acid-2-acrylamide-2-methylpropanesulfonic acid (AA/AMPS) copolymer contains sulfonic acid groups, so that the component has good hydrophilicity, can be compatible with groups such as fiber and surface hydroxyl of cotton fabrics, and further prevents redundant flooding dyes from being adhered to the fabrics, and has a good anti-staining effect; the sodium gluconate has good dispersion effect; the hydrolyzed polymaleic anhydride has weak acidity and plays a role in assisting in neutralizing alkali; the surfactant is beneficial to the uniform dispersion of different components in the formula; simultaneously, carboxyethyl sulfosuccinate is added, and a single molecule of the carboxyethyl sulfosuccinate contains three carboxyl groups and one sulfonic group, so that the carboxyethyl sulfosuccinate has strong acidity, strong dispersing capacity and deposition capacity, no pungent odor and strong acidity, can well neutralize waste liquid, reduces a large amount of water washing or acid washing procedures before soaping, and saves water; a new compound complexing agent is added, so that the soaping effect is better, and the unbounded coloring agent on the fabric can be more effectively dispersed and complexed, thereby removing the loose color and increasing the color fastness.
The invention provides an efficient environment-friendly acid soaping agent, which has better effect of removing loose color after being acted on reactive dye of cotton and blended fabrics thereof for dyeing, and ensures the color fastness and the brilliance of the fabrics; the soaping agent component does not contain nitrogen and phosphorus, so that the problem of rich nutrition of the environment is solved; the method has strong acidity, can reduce the acid neutralization process before the conventional soaping, reduces the waste water discharge pressure, saves the manpower and the electric power cost, and has good market advantages.
Drawings
FIG. 1 is an infrared spectrum of 3- (2, 3-dithio (2-mercapto)) -1-thiopropyl-2, 3-dithio (2-mercapto) propane prepared according to the present invention;
FIG. 2 is an infrared spectrum of 3- [2, 3-dithio (2-mercapto) -1- (1, 2-dithio) ] propyl-2-thio (2-mercapto)) -1-propanethiol prepared according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. 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.
The molecular weight of the acrylic acid-2-acrylamide-2-methylpropanesulfonic acid copolymer in the example is 800-1500.
The complexing agent in the examples is a mixture of 3- (2, 3-dithio (2-mercapto)) -1-thiopropyl-2, 3-dithio (2-mercapto) propane and 3- [2, 3-dithio (2-mercapto) -1- (1, 2-dithio) ] propyl-2-thio (2-mercapto)) -1-propanethiol.
Example 1
Carboxyethyl sulfosuccinic acid: weighing 107.8g (1.10mol) of maleic anhydride, dissolving in 300g of water, heating to 90 ℃, dropwise adding 108.16g of 98 mass percent 3-mercaptopropionic acid by using a constant-pressure funnel, controlling the dropwise adding time to be 1h, uniformly stirring, adding triethylamine accounting for 10 percent of the total mass of the maleic anhydride and the 3-mercaptopropionic acid, reacting for 3h at the constant temperature of 90 ℃, cooling and crystallizing, filtering to obtain a white solid, drying in an oven to obtain carboxyethylthiosuccinic acid, wherein the yield is 97 percent;
complexing agent: weighing 261g (1.0mol) of 2, 3-dithio (2-mercapto) -1-propanethiol in a three-neck flask with a stirring paddle, heating in a water bath to 55 ℃, adding 62g (2.0mol) of sulfur solid for 3 times, reacting for 1h under the stirring condition, cooling to room temperature after the reaction is finished to obtain transparent liquid, filtering to obtain a liquid product, weighing, and obtaining the yield of 85%;
preparing an efficient environment-friendly acid soaping agent: weighing 25kg of acrylic acid-2-acrylamide-2-methylpropanesulfonic acid (AA/AMPS) copolymer, adding the copolymer into 35kg of water, uniformly stirring, sequentially adding 10kg of carboxyethylthiosuccinic acid, 20kg of sodium gluconate, 5kg of hydrolyzed polymaleic anhydride, 1.5kg of tetradecyldimethylbenzylammonium chloride and 3.5kg of complexing agent, and stirring and mixing to obtain a light yellow liquid, namely the efficient environment-friendly acid soaping agent.
Example 2
Carboxyethyl sulfosuccinic acid: weighing 102.96g (1.05mol) of maleic anhydride, dissolving in 300g of water, heating to 90 ℃, dropwise adding 108.16g of 98% 3-mercaptopropionic acid by using a constant-pressure funnel, controlling the dropwise adding time to be 1h, uniformly stirring, adding a resin type catalyst SepielLSZ-106 accounting for 10% of the total mass of the maleic anhydride and the 3-mercaptopropionic acid, reacting for 3h at the constant temperature of 90 ℃, cooling, crystallizing, filtering to obtain a white solid, drying in an oven to obtain carboxyethylthiosuccinic acid, wherein the yield is 96%;
complexing agent: weighing 261g (1.0mol) of 2, 3-dithio (2-mercapto) -1-propanethiol in a three-neck flask with a stirring paddle, heating in a water bath to 60 ℃, adding 48g (1.5mol) of sulfur solid for 5 times, reacting for 2 hours under the stirring condition, cooling to room temperature after the reaction is finished to obtain transparent liquid, filtering to obtain a liquid product, weighing, and obtaining the yield of 85%;
preparing an efficient environment-friendly acid soaping agent: weighing 45kg of acrylic acid-2-acrylamide-2-methylpropanesulfonic acid (AA/AMPS) copolymer, adding the acrylic acid-2-acrylamide-2-methylpropanesulfonic acid copolymer into 50kg of water, uniformly stirring, sequentially adding 30kg of carboxyethylthiosuccinic acid, 40kg of sodium gluconate, 10kg of hydrolyzed polymaleic anhydride, 1kg of ethylene glycol phenyl ether and 9kg of complexing agent, and stirring and mixing to obtain a light yellow liquid, namely the efficient environment-friendly acid soaping agent.
Example 3
Carboxyethyl sulfosuccinic acid: weighing 102.96g (1.05mol) of maleic anhydride, dissolving in 300g of water, heating to 90 ℃, dropwise adding 108.16g of 98% 3-mercaptopropionic acid by using a constant-pressure funnel, controlling the dropwise adding time to be 1h, uniformly stirring, adding Sepl itSZ-106S accounting for 10% of the total mass of the maleic anhydride and the 3-mercaptopropionic acid, reacting for 3h at the constant temperature of 90 ℃, cooling, crystallizing, filtering to obtain a white solid, drying in an oven to obtain carboxyethylthiosuccinic acid, wherein the yield is 96%;
complexing agent: weighing 261g (1.0mol) of 2, 3-dithio (2-mercapto) -1-propanethiol in a three-neck flask with a stirring paddle, heating in a water bath to 60 ℃, adding 48g (1.5mol) of sulfur solid for 4 times, reacting for 3 hours under the stirring condition, cooling to room temperature after the reaction is finished to obtain transparent liquid, filtering to obtain a liquid product, weighing, and obtaining the yield of 85%;
preparing an efficient environment-friendly acid soaping agent: weighing 30kg of acrylic acid-2-acrylamide-2-methylpropanesulfonic acid (AA/AMPS) copolymer, adding the copolymer into 35kg of water, uniformly stirring, sequentially adding 20kg of carboxyethylthiosuccinic acid, 30kg of sodium gluconate, 8kg of hydrolyzed polymaleic anhydride, 0.5kg of tetradecyl dimethyl benzyl ammonium chloride and 1kg of complexing agent, and stirring and mixing to obtain a light yellow liquid, namely the efficient environment-friendly acidic soaping agent.
Comparative example 1
Preparation of a maleic anhydride-acrylic acid-diethyl ethoxymethylenemalonate terpolymer solution: putting 10kg of initiator into a mixing barrel, adding 90kg of deionized water, stirring and dissolving to prepare 10% initiator solution; adding 100kg of maleic anhydride monomer into a reaction kettle, heating to 30-40 ℃, stirring for dissolving, then adding sodium hydroxide aqueous solution to adjust the pH value to be neutral, adding an initiator solution, slowly adding 250kg of acrylic acid and 60kg of ethoxymethylene diethyl malonate into the reaction kettle, completing the addition within 3-5 hours, adjusting the pH value to 3-5, controlling the reaction temperature to be below 40 ℃ in the raw material adding process, stirring for reacting for 20-30 minutes below 40 ℃ after the addition is completed, slowly heating to 85 ℃, keeping the stirring speed at 70-90r/min, sealing for reacting for 4-6 hours, and cooling to room temperature after the reaction is completed to obtain a terpolymer solution with the solid content of 80-90%;
the initiator is sodium persulfate and ammonium persulfate, the mass ratio is 1:1, and the addition amount of the initiator solution is 5-6% of the mass of the maleic anhydride monomer;
preparing the environment-friendly low-temperature soaping agent: adding 300kg of terpolymer solution into 450kg of deionized water at normal temperature, uniformly stirring, sequentially adding 150kg of carboxyethyl sulfosuccinic acid, 40kg of ethylenediamine-bis-o-hydroxyphenyl sodium acetate and 60kg of mineral clay, and grinding and dispersing to obtain gray semitransparent liquid, namely the environment-friendly low-temperature soaping agent, wherein the mineral clay is selected from zeolite, attapulgite and diatomite in a mass ratio of 2: 1: 1.
comparative example 2
A commercially available product.
Effect testing
Tests were performed under the same conditions as the commercial products to investigate the soaping effect of the proprietary formulations: the color fastness to washing test method is tested according to GB/T3921; experiments on the stability of soaping agent in hard water were tested according to the method GB/T7381; testing the friction color fastness test according to the experimental method GB/T3920; finally testing; the COD value of the foot water after additional soaping. The test results are shown in table 1 and table 2.
From the results of the series of tests, the formulations of examples 1-3 were compared to the formulations of comparative examples 1-2 for soaping effect.
TABLE 1 comparison of soaping effects of different soaping agents
TABLE 2 soaping Performance comparison
The product of comparative example 1 is equivalent with the product of this application through detecting discovery soaping effect, and the COD value of this application soaping waste water is obviously less than comparative example 1, but needs a large amount of water washes in the comparative example 1, has wasted the water resource, increases the soaping process simultaneously, produces a large amount of waste water, has increaseed the environmental protection pressure. This application has just completely overcome the technical problem in comparative example 1, has practiced thrift the water resource, and the cost is reduced has reduced the COD value of soaping waste water simultaneously. In the product of the application and the comparative example 2, the application is obviously superior to the comparative example 2 in terms of soaping effect and soaping performance. The environment-friendly acid soaping agent is applied to the dyeing and soaping process of the reactive dye of the cotton and linen and the blended fabric thereof, the soaping temperature is maintained at 40-60 ℃, the effects of removing loose color and preventing staining are excellent, the friction color fastness after soaping is high, the COD value in soaping wastewater is lower, the soaping neutralization water washing process is reduced, and the wastewater treatment cost is saved. The soaping agent disclosed by the invention is good in stability, environment-friendly and energy-saving, and has good market application advantages.
The invention provides an efficient environment-friendly acid soaping agent, which has better effect of removing loose color after being acted on reactive dye of cotton and blended fabrics thereof for dyeing, and ensures the color fastness and the brilliance of the fabrics; the soaping agent component does not contain nitrogen and phosphorus, so that the problem of rich nutrition of the environment is solved; the method has strong acidity, can reduce the acid neutralization process before the conventional soaping, reduces the waste water discharge pressure, and saves the manpower and the electric power cost.
Claims (8)
1. The efficient environment-friendly acidic soaping agent is characterized by comprising, by mass, 10-30 parts of carboxyethylthiosuccinic acid, 30-50 parts of acrylic acid-2-acrylamide-2-methylpropanesulfonic acid copolymer, 20-50 parts of sodium gluconate, 5-10 parts of hydrolyzed polymaleic anhydride, 0.1-2 parts of surfactant, 0.5-10 parts of complexing agent and 30-50 parts of water;
the complexing agent is one or two of 3- (2, 3-dithio (2-mercapto)) -1-thiopropyl-2, 3-dithio (2-mercapto) propane and 3- [2, 3-dithio (2-mercapto) -1- (1, 2-dithio) ] propyl-2-thio (2-mercapto)) -1-propane thiol, the structural formula of the 3- (2, 3-dithio (2-mercapto)) -1-thiopropyl-2, 3-dithio (2-mercapto) propane is formula (I), and the structural formula of the 3- [2, 3-dithio (2-mercapto) -1- (1, 2-dithio) ] propyl-2-thio (2-mercapto)) -1-propane thiol is formula (I) Is represented by the formula (II):
the surfactant is one of tetradecyl dimethyl benzyl ammonium chloride and ethylene glycol phenyl ether.
2. The efficient and environment-friendly acid soaping agent as claimed in claim 1, wherein the complexing agent is prepared by the following steps: weighing 1.0mol of 2, 3-dithio (2-mercapto) -1-propanethiol in a three-neck flask, heating in water bath to 55-65 ℃, adding 1.5-2.0mol of sulfur solid for 3-5 times, reacting for 1-1.5h under stirring, directly introducing the generated tail gas into alkaline solution for absorption, and cooling to room temperature after the reaction is finished to obtain transparent liquid, namely the complexing agent.
3. The efficient and environment-friendly acidic soaping agent according to claim 2, wherein the alkaline solution is sodium hydroxide solution or potassium hydroxide solution.
4. The efficient and environment-friendly acidic soaping agent as claimed in claim 1, wherein said carboxyethylthiosuccinic acid is prepared by the following steps: weighing maleic anhydride, dissolving in water, heating to 80-95 ℃, dropwise adding 3-mercaptopropionic acid by using a constant-pressure funnel for 1-1.5h, uniformly stirring, adding a catalyst accounting for 10% of the total mass of the maleic anhydride and the 3-mercaptopropionic acid, controlling the temperature to be 80-95 ℃ to react for 3-4h, then cooling and crystallizing, filtering to obtain a white solid, and drying in an oven to obtain the carboxyethyl thiosuccinic acid.
5. The high-efficiency environment-friendly acid soaping agent according to claim 4, wherein the molar ratio of maleic anhydride to 3-mercaptopropionic acid (1.05-1.1): 1.
6. the highly efficient and environment-friendly acidic soaping agent according to claim 4, wherein the catalyst is one or more of triethylamine, resin type catalyst Seplite LSZ-106, Seplite LSZ-106S.
7. The efficient and environment-friendly acid soaping agent as claimed in claim 1, wherein: the molecular weight of the acrylic acid-2-acrylamide-2-methylpropanesulfonic acid copolymer is 800-1500.
8. The efficient and environment-friendly acid soaping agent as claimed in claim 1, wherein the soaping agent is prepared by the following method: adding the acrylic acid-2-acrylamide-2-methylpropanesulfonic acid copolymer into water, uniformly stirring, sequentially adding carboxyethylthiosuccinic acid, sodium gluconate, hydrolyzed polymaleic anhydride, a surfactant and a complexing agent, and stirring and mixing to obtain a light yellow liquid, namely the efficient environment-friendly acidic soaping agent.
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| CN112479951A (en) * | 2020-11-25 | 2021-03-12 | 山东益丰生化环保股份有限公司 | Continuous synthesis method of carboxyethyl sulfosuccinate |
| CN112779794B (en) * | 2020-12-23 | 2023-03-10 | 太仓宝霓实业有限公司 | Soaping agent for polyester/cotton/ammonia fabric and preparation method thereof |
| CN114164053A (en) * | 2021-12-03 | 2022-03-11 | 广东三兴高新材料科技有限公司 | Acidic soaping agent |
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| CN102876476A (en) * | 2012-10-28 | 2013-01-16 | 徐磊 | Acidic soaping agent |
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