CN114438804A - Liquid reduction cleaning agent and preparation method thereof - Google Patents
Liquid reduction cleaning agent and preparation method thereof Download PDFInfo
- Publication number
- CN114438804A CN114438804A CN202210219545.6A CN202210219545A CN114438804A CN 114438804 A CN114438804 A CN 114438804A CN 202210219545 A CN202210219545 A CN 202210219545A CN 114438804 A CN114438804 A CN 114438804A
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- Prior art keywords
- thiourea dioxide
- maleic anhydride
- cleaning agent
- liquid reducing
- acrylic acid
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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
-
- 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
Abstract
The invention discloses a liquid reducing cleaning agent and a preparation method thereof, relating to the technical field of reducing cleaning agents; the cleaning agent comprises thiourea dioxide, maleic anhydride acrylic acid copolymer, polyvinylpyrrolidone alkyl sodium sulfate and water according to the mass percentage, and the method comprises the steps of dissolving the thiourea dioxide in the water, slowly dissolving a simple substance or a mixture of a plurality of uniformly mixed alkyl sodium sulfates in the thiourea dioxide solution, and adding the weighed maleic anhydride acrylic acid copolymer and polyvinylpyrrolidone into the mixed solution. The invention has stable performance, does not release toxic gas to the environment, fully utilizes the stability of thiourea dioxide, and the washability of a surface or sexual agent, the dispersibility and the adsorbability of macromolecular substances, adopts a compatible synergistic action mode, returns the dye remained on the surface of the fiber to the medium water in a washing, reducing, wrapping and adsorbing mode, and then does not re-adhere to the fiber, thereby achieving the purpose of improving the color fastness.
Description
Technical Field
The invention relates to the technical field of reducing cleaning agents, in particular to a liquid reducing cleaning agent and a preparation method thereof.
Background
The reduction cleaning process is to remove the floating color of disperse dye which does not enter or enter a part of polyester fiber when dyeing the polyester or blended fabric, so as to prevent the floating color from being stained on other clothes or skin through friction in the process of using clothes, and the process can be understood as a slight color stripping process.
In the prior art, the treatment for removing the floating color after dyeing the polyester textiles is always to use two products, which are respectively:
the sodium hydrosulfite (sodium hydrosulfite) has the main advantages of proper potential and active performance, and can be used for achieving satisfactory fastness by adding caustic soda in a production process in an auxiliary manner and not easily generating an over-reduction phenomenon in the reduction treatment process of dyed fabrics or printed fabrics. Meanwhile, the material composition and the performance of the material are extremely active, so that the material brings about the problem of easy series of production. For example, when meeting water, the sodium hydrosulfite is easy to release a large amount of heat, which causes fire. Meanwhile, a large amount of toxic gas is released in the decomposition process, which is harmful to the health of workers and the pollution of the surrounding environment, and is a four-class dangerous article.
Sodium formaldehyde sulfoxylate is an acidic reducing agent, and can be favored by a plurality of factories due to water conservation in the production process. However, the product releases hydrogen sulfide gas in the production process, has the odor of the rotten eggs, and causes great harm to physical and psychological health of workers, and meanwhile, the environment is seriously polluted. In addition, a large amount of formaldehyde is remained on the cloth surface of the produced textile, which causes serious harm to end consumers.
Therefore, the invention provides a liquid reduction cleaning agent and a preparation method thereof.
Disclosure of Invention
The invention aims to solve the problems of potential safety hazards existing in most of industrial sodium hydrosulfite used in the market and environmental harm to physical and psychological health of workers in the prior art, and provides a liquid reduction cleaning agent and a preparation method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
a liquid reducing cleaning agent comprises the following components in percentage by mass: thiourea dioxide: 3% -7%, maleic anhydride acrylic acid copolymer: 5-10% and polyvinylpyrrolidone 2% -5%: 2% -5% of sodium alkyl sulfate: and water: and (5) complementing the balance.
Preferably: comprises the following components in percentage by mass: thiourea dioxide: 4% -6%, maleic anhydride acrylic acid copolymer: 6-9% and polyvinylpyrrolidone 2.5% -4.5%: sodium alkyl sulfate 2.5% -4.5%: and water: and (5) complementing the balance.
Preferably: comprises the following components in percentage by mass: thiourea dioxide: 5%, maleic anhydride acrylic acid copolymer: 7-8% and polyvinylpyrrolidone 3% -4%: 3% -4% of sodium alkyl sulfate: and water: and (5) complementing the balance.
Preferably: the sodium alkyl sulfate comprises one or more of K12, K17, K30, K60 and K70.
Preferably: the molecular weight of the maleic anhydride acrylic copolymer is greater than 2000 Da.
Preferably: the liquid reducing cleaning agent also comprises essence, and the mass percent of the essence is 0.5-1%.
Preferably: the essence is one or a mixture of furfuryl alcohol, furan formate, furan methanol ester and furan acrylate.
The preparation method of the liquid reducing cleaning agent comprises the following steps:
s1: dissolving thiourea dioxide in water at normal temperature for later use;
s2: slowly dissolving an alkyl sodium sulfate simple substance or a mixture of a plurality of uniformly mixed substances in a thiourea dioxide solution;
s3: adding the weighed maleic anhydride acrylic acid copolymer and polyvinylpyrrolidone into the mixed solution;
s4: adding essence;
s5: filtering, namely filtering the obtained mixed solution;
s6: and (4) concentrating, namely concentrating the obtained crystallization mixed liquor to obtain a finished product.
Preferably: in the steps S2-S4, stirring is carried out while dissolving, and the stirring speed is 800-1000 rpm.
The invention has the beneficial effects that:
1. the invention has stable performance and does not release toxic gas to the environment.
2. The invention makes full use of the stability of thiourea dioxide, the washing property of a surface or a sex agent, the dispersibility and the adsorbability of macromolecular substances, adopts a compatible synergistic action mode to return the dye remained on the surface of the fiber to medium water in a washing, reducing, wrapping and adsorbing mode, and then does not re-adhere to the fiber, thereby achieving the purpose of improving the color fastness.
Drawings
Fig. 1 is a schematic flow chart of a preparation method of a liquid reductive cleaner provided by the invention.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
A liquid reducing cleaning agent comprises the following components in percentage by mass: thiourea dioxide: 3% -7%, maleic anhydride acrylic acid copolymer: 5-10% and polyvinylpyrrolidone 2% -5%: 2% -5% of sodium alkyl sulfate: and water: and (5) complementing the balance.
The sodium alkyl sulfate comprises one or more of K12, K17, K30, K60 and K70.
The molecular weight of the maleic anhydride acrylic copolymer is greater than 2000 Da.
The beverage also comprises essence, and the mass percent is 0.5% -1%.
The essence is one or a mixture of furfuryl alcohol, furan formate, furan methanol ester and furan acrylate.
A preparation method of a liquid reduction cleaning agent comprises the following steps:
s1: dissolving thiourea dioxide in water at normal temperature for later use;
s2: slowly dissolving an alkyl sodium sulfate simple substance or a mixture of a plurality of uniformly mixed substances in a thiourea dioxide solution;
s3: adding the weighed maleic anhydride acrylic acid copolymer and polyvinylpyrrolidone into the mixed solution;
s4: adding essence;
s5: filtering, namely filtering the obtained mixed solution;
s6: and (4) concentrating, namely concentrating the obtained crystallization mixed liquor to obtain a finished product.
In the steps S2-S4, stirring is carried out while dissolving, and the stirring speed is 800-1000 rpm.
The invention comprises the following steps: the performance is stable, does not release poisonous gas to the environment, make full use of thiourea dioxide's stability, and the washing nature of surface or nature agent, macromolecular substance's dispersibility and adsorptivity adopt the mode of compatibility synergism, will remain in the fibre surface the dyestuff through washing, reduction, parcel, the adsorbed mode is got back to in the medium water, then does not get back to again and is stained with on the fibre, reaches the purpose that improves the colour fastness.
Example 1:
a liquid reducing cleaning agent comprises the following components in percentage by mass: thiourea dioxide: 4% -6%, maleic anhydride acrylic acid copolymer: 6-9% and polyvinylpyrrolidone 2.5% -4.5%: 2.5% -4.5% of sodium alkyl sulfate: and water: and (5) complementing the balance.
The sodium alkyl sulfate comprises one or more of K12, K17, K30, K60 and K70.
The molecular weight of the maleic anhydride acrylic copolymer is greater than 2000 Da.
The beverage also comprises essence, and the mass percent is 0.5% -1%.
The essence is one or a mixture of furfuryl alcohol, furan formate, furan methanol ester and furan acrylate.
A preparation method of a liquid reduction cleaning agent comprises the following steps:
s1: dissolving thiourea dioxide in water at normal temperature for later use;
s2: slowly dissolving an alkyl sodium sulfate simple substance or a mixture of a plurality of uniformly mixed substances in a thiourea dioxide solution;
s3: adding the weighed maleic anhydride acrylic acid copolymer and polyvinylpyrrolidone into the mixed solution;
s4: adding essence;
s5: filtering, namely filtering the obtained mixed solution;
s6: and (4) concentrating, namely concentrating the obtained crystallization mixed liquor to obtain a finished product.
In the steps S2-S4, stirring is carried out while dissolving, and the stirring speed is 800-1000 rpm.
Example 2:
a liquid reducing cleaning agent comprises the following components in percentage by mass: thiourea dioxide: 5%, maleic anhydride acrylic acid copolymer: 7-8% and polyvinylpyrrolidone 3% -4%: 3% -4% of sodium alkyl sulfate: and water: and (5) complementing the balance.
The sodium alkyl sulfate comprises one or more of K12, K17, K30, K60 and K70.
The molecular weight of the maleic anhydride acrylic copolymer is greater than 2000 Da.
The essence also comprises 0.5-1% of essence by mass percent.
The essence is one or a mixture of furfuryl alcohol, furan formate, furan methanol ester and furan acrylate.
A preparation method of a liquid reduction cleaning agent comprises the following steps:
s1: dissolving thiourea dioxide in water at normal temperature for later use;
s2: slowly dissolving an alkyl sodium sulfate simple substance or a mixture of a plurality of uniformly mixed substances in a thiourea dioxide solution;
s3: adding the weighed maleic anhydride acrylic acid copolymer and polyvinylpyrrolidone into the mixed solution;
s4: adding essence;
s5: filtering, namely filtering the obtained mixed solution;
s6: and (4) concentrating, namely concentrating the obtained crystallization mixed liquor to obtain a finished product.
In the steps S2-S4, stirring is carried out while dissolving, and the stirring speed is 800-1000 rpm.
Example 3:
a liquid reducing cleaning agent comprises the following components in percentage by mass: thiourea dioxide: 3% -7%, maleic anhydride acrylic acid copolymer: 5-10% and polyvinylpyrrolidone 2% -5%: 2% -5% of sodium alkyl sulfate: and water: and (3) complementing the balance:
the alkyl sodium sulfate is a mixture of K12 and K17, and the mixing ratio of the alkyl sodium sulfate is 1: 1.
the molecular weight of the maleic anhydride acrylic acid copolymer is 2000-4000 Da.
A preparation method of a liquid reduction cleaning agent comprises the following steps:
s1: dissolving thiourea dioxide in water at normal temperature for later use;
s2: slowly dissolving an alkyl sodium sulfate simple substance or a mixture of a plurality of uniformly mixed substances in a thiourea dioxide solution;
s3: adding the weighed maleic anhydride acrylic acid copolymer and polyvinylpyrrolidone into the mixed solution;
s4: filtering, namely filtering the obtained mixed solution;
s5: and (4) concentrating, namely concentrating the obtained crystallization mixed liquor to obtain a finished product.
In the steps S2-S3, stirring was carried out while dissolving, and the stirring rate was 900 rpm.
Example 4:
a liquid reducing cleaning agent comprises the following components in percentage by mass: thiourea dioxide: 3% -7%, maleic anhydride acrylic acid copolymer: 5-10% and polyvinylpyrrolidone 2% -5%: 2% -5% of sodium alkyl sulfate: and water: and (3) complementing the balance:
the sodium alkyl sulfate is K12 simple substance.
The molecular weight of the maleic anhydride acrylic acid copolymer is 2000-4000 Da.
A preparation method of a liquid reduction cleaning agent comprises the following steps:
s1: dissolving thiourea dioxide in water at normal temperature for later use;
s2: slowly dissolving an alkyl sodium sulfate simple substance or a mixture of a plurality of uniformly mixed substances in a thiourea dioxide solution;
s3: adding the weighed maleic anhydride acrylic acid copolymer and polyvinylpyrrolidone into the mixed solution;
s4: filtering, namely filtering the obtained mixed solution;
s5: and (4) concentrating, namely concentrating the obtained crystallization mixed liquor to obtain a finished product.
In the steps S2-S3, stirring was carried out while dissolving, and the stirring rate was 900 rpm.
Example 5:
a liquid reducing cleaning agent comprises the following components in percentage by mass: thiourea dioxide: 3% -7%, maleic anhydride acrylic acid copolymer: 5-10% and polyvinylpyrrolidone 2% -5%: 2% -5% of sodium alkyl sulfate: and water: and (3) complementing the balance:
the sodium alkyl sulfate is K17 simple substance.
The molecular weight of the maleic anhydride acrylic acid copolymer is 2000-4000 Da.
A preparation method of a liquid reduction cleaning agent comprises the following steps:
s1: dissolving thiourea dioxide in water at normal temperature for later use;
s2: slowly dissolving an alkyl sodium sulfate simple substance or a mixture of a plurality of uniformly mixed substances in a thiourea dioxide solution;
s3: adding the weighed maleic anhydride acrylic acid copolymer and polyvinylpyrrolidone into the mixed solution;
s4: filtering, namely filtering the obtained mixed solution;
s5: and (4) concentrating, namely concentrating the obtained crystallization mixed liquor to obtain a finished product.
In the steps S2-S3, stirring was carried out while dissolving, and the stirring rate was 900 rpm.
Example 6:
a liquid reducing cleaning agent comprises the following components in percentage by mass: thiourea dioxide: 3% -7%, maleic anhydride acrylic acid copolymer: 5-10% and polyvinylpyrrolidone 2% -5%: 2% -5% of sodium alkyl sulfate: and water: and (3) complementing the balance:
the alkyl sodium sulfate is a mixture of K12 and K17, and the mixing ratio of the alkyl sodium sulfate is 1: 1.
the molecular weight of the maleic anhydride acrylic copolymer is more than 4000 Da.
A preparation method of a liquid reduction cleaning agent comprises the following steps:
s1: dissolving thiourea dioxide in water at normal temperature for later use;
s2: slowly dissolving an alkyl sodium sulfate simple substance or a mixture of a plurality of uniformly mixed substances into a thiourea dioxide solution;
s3: adding the weighed maleic anhydride acrylic acid copolymer and polyvinylpyrrolidone into the mixed solution;
s4: filtering, namely filtering the obtained mixed solution;
s5: and (4) concentrating, namely concentrating the obtained crystallization mixed liquor to obtain a finished product.
In the steps S2-S3, stirring was carried out while dissolving, and the stirring rate was 900 rpm.
Example 7:
a liquid reducing cleaning agent comprises the following components in percentage by mass: thiourea dioxide: 3% -7%, maleic anhydride acrylic acid copolymer: 5-10% and polyvinylpyrrolidone 2% -5%: 2% -5% of sodium alkyl sulfate: and water: and (3) complementing the balance:
the alkyl sodium sulfate is a mixture of K12 and K17, and the mixing ratio of the alkyl sodium sulfate is 1: 1.
the molecular weight of the maleic anhydride acrylic copolymer is more than 4000 Da.
A preparation method of a liquid reduction cleaning agent comprises the following steps:
s1: dissolving thiourea dioxide in water at normal temperature for later use;
s2: slowly dissolving an alkyl sodium sulfate simple substance or a mixture of a plurality of uniformly mixed substances in a thiourea dioxide solution;
s3: adding the weighed maleic anhydride acrylic acid copolymer and polyvinylpyrrolidone into the mixed solution;
s4: adding essence;
s5: filtering, namely filtering the obtained mixed solution;
s6: concentrating, and concentrating the obtained crystallization mixed solution to obtain a finished product.
In the steps S2-S4, stirring is carried out while dissolving, and the stirring speed is 800-1000 rpm.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. The liquid reducing cleaning agent is characterized by comprising the following components in percentage by mass: thiourea dioxide: 3% -7%, maleic anhydride acrylic acid copolymer: 5-10% and polyvinylpyrrolidone 2% -5%: 2% -5% of sodium alkyl sulfate: and water: and (5) complementing the balance.
2. The liquid reducing cleaning agent as claimed in claim 1, which comprises the following components by mass percent: thiourea dioxide: 4% -6%, maleic anhydride acrylic acid copolymer: 6-9% and polyvinylpyrrolidone 2.5% -4.5%: 2.5% -4.5% of sodium alkyl sulfate: and water: and (5) complementing the balance.
3. The liquid reducing cleaning agent as claimed in claim 1, which comprises the following components by mass percent: thiourea dioxide: 5%, maleic anhydride acrylic acid copolymer: 7-8% and polyvinylpyrrolidone 3% -4%: 3% -4% of sodium alkyl sulfate: and water: and (5) complementing the balance.
4. A liquid reducing cleaning formulation according to any one of claims 1 to 3 wherein the sodium alkyl sulphate comprises a mixture of one or more of K12, K17, K30, K60 and K70.
5. The liquid reducing cleaner according to any one of claims 1 to 3, wherein the maleic anhydride acrylic acid copolymer has a molecular weight of more than 2000 Da.
6. The liquid reducing detergent according to any one of claims 1-3, wherein the liquid reducing detergent further comprises essence, and the mass percentage of the essence is 0.5% -1%.
7. The liquid reducing cleaning agent according to claim 6, wherein the essence is one or more of furfuryl alcohol, furan formate, furan carbinol ester and furan acrylate.
8. The preparation method of the liquid reducing cleaning agent is characterized by comprising the following steps:
s1: dissolving thiourea dioxide in water at normal temperature for later use;
s2: slowly dissolving an alkyl sodium sulfate simple substance or a mixture of a plurality of uniformly mixed substances in a thiourea dioxide solution;
s3: adding the weighed maleic anhydride acrylic acid copolymer and polyvinylpyrrolidone into the mixed solution;
s4: adding essence;
s5: filtering, namely filtering the obtained mixed solution;
s6: and (4) concentrating, namely concentrating the obtained crystallization mixed liquor to obtain a finished product.
9. The liquid reducing detergent and the preparation method thereof as claimed in claim 8, wherein in the steps S2-S4, stirring is performed while dissolving, and the stirring speed is 800-1000 rpm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210219545.6A CN114438804A (en) | 2022-03-08 | 2022-03-08 | Liquid reduction cleaning agent and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210219545.6A CN114438804A (en) | 2022-03-08 | 2022-03-08 | Liquid reduction cleaning agent and preparation method thereof |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB805741A (en) * | 1956-04-06 | 1958-12-10 | Scottish Oils Ltd | Improvements in or relating to compositions comprising surface active agents |
| JP2003171872A (en) * | 2001-12-07 | 2003-06-20 | Matsumoto Yushi Seiyaku Co Ltd | Method for improving color fastness of wool |
| JP2006056994A (en) * | 2004-08-19 | 2006-03-02 | Kao Corp | Powder detergent composition |
| CN101736618A (en) * | 2009-12-14 | 2010-06-16 | 苏州联胜化学有限公司 | Acid scouring agent and preparation method thereof |
| CN107723118A (en) * | 2017-09-21 | 2018-02-23 | 无锡德冠生物科技有限公司 | A kind of acidic reduction cleaner and preparation method thereof |
| CN112553929A (en) * | 2020-12-31 | 2021-03-26 | 濮阳宏业环保新材料股份有限公司 | Liquid reduction cleaning agent and preparation method and application thereof |
-
2022
- 2022-03-08 CN CN202210219545.6A patent/CN114438804A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB805741A (en) * | 1956-04-06 | 1958-12-10 | Scottish Oils Ltd | Improvements in or relating to compositions comprising surface active agents |
| JP2003171872A (en) * | 2001-12-07 | 2003-06-20 | Matsumoto Yushi Seiyaku Co Ltd | Method for improving color fastness of wool |
| JP2006056994A (en) * | 2004-08-19 | 2006-03-02 | Kao Corp | Powder detergent composition |
| CN101736618A (en) * | 2009-12-14 | 2010-06-16 | 苏州联胜化学有限公司 | Acid scouring agent and preparation method thereof |
| CN107723118A (en) * | 2017-09-21 | 2018-02-23 | 无锡德冠生物科技有限公司 | A kind of acidic reduction cleaner and preparation method thereof |
| CN112553929A (en) * | 2020-12-31 | 2021-03-26 | 濮阳宏业环保新材料股份有限公司 | Liquid reduction cleaning agent and preparation method and application thereof |
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