CN112481045A - Low-foam cleaning agent and preparation method and application thereof - Google Patents
Low-foam cleaning agent and preparation method and application thereof Download PDFInfo
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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
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/66—Non-ionic compounds
- C11D1/83—Mixtures of non-ionic with anionic compounds
- C11D1/831—Mixtures of non-ionic with anionic compounds of sulfonates with ethers of polyoxyalkylenes without phosphates
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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
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/66—Non-ionic compounds
- C11D1/83—Mixtures of non-ionic with anionic compounds
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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
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/02—Inorganic compounds ; Elemental compounds
- C11D3/04—Water-soluble compounds
- C11D3/10—Carbonates ; Bicarbonates
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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
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/20—Organic compounds containing oxygen
- C11D3/2068—Ethers
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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
- 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
- C11D3/2086—Hydroxy carboxylic acids-salts thereof
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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
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/20—Organic compounds containing oxygen
- C11D3/2093—Esters; Carbonates
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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
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/26—Organic compounds containing nitrogen
- C11D3/28—Heterocyclic compounds containing nitrogen in the ring
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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
- 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
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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
- C11D3/16—Organic compounds
- C11D3/38—Products with no well-defined composition, e.g. natural products
- C11D3/382—Vegetable products, e.g. soya meal, wood flour, sawdust
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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
- C11D3/48—Medical, disinfecting agents, disinfecting, antibacterial, germicidal or antimicrobial compositions
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- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/02—Anionic compounds
- C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
- C11D1/14—Sulfonic acids or sulfuric acid esters; Salts thereof derived from aliphatic hydrocarbons or mono-alcohols
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- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/02—Anionic compounds
- C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
- C11D1/28—Sulfonation products derived from fatty acids or their derivatives, e.g. esters, amides
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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
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/66—Non-ionic compounds
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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
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/66—Non-ionic compounds
- C11D1/72—Ethers of polyoxyalkylene glycols
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- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/66—Non-ionic compounds
- C11D1/722—Ethers of polyoxyalkylene glycols having mixed oxyalkylene groups; Polyalkoxylated fatty alcohols or polyalkoxylated alkylaryl alcohols with mixed oxyalkylele groups
Abstract
The invention relates to the field of cleaning, in particular to a low-foam cleaning agent and a preparation method and application thereof. The cleaning agent comprises the following components in percentage by mass: 10-30% of surfactant, 10-20% of alkaline substance, 5-15% of oil stain solvent, 5-20% of alkaloid, 2-5% of bactericide, 0.1-0.5% of scale inhibitor and the balance of water. According to the invention, a proper nonionic surfactant and an anionic surfactant are compounded, so that a formed system has a strong synergistic interaction effect, has the functions of wetting, penetrating, emulsifying, solubilizing and dispersing, reduces the adhesive force of dirt, has high cleaning efficiency, is low in foam, is easy to flush and saves water. The cleaning agent disclosed by the invention is high in cleaning efficiency, mild in formula, environment-friendly in components, and suitable for cleaning environmental sanitation public facilities, and has the effects of sterilization and deodorization.
Description
Technical Field
The invention relates to the field of cleaning, in particular to a low-foam cleaning agent and a preparation method and application thereof.
Background
The sanitation public facilities comprise garbage cans, telegraph poles, isolation guardrails, bus stop boards, the ground of a night city, garbage trucks, the ground of a transfer station and the like. General light-dirt sanitation public facilities are cleaned and directly scrubbed by water, or scrubbed by adding liquid detergent, so that the problems of low cleaning efficiency and large water consumption exist; the cleaning agent for the ground in the night market and the kitchen vehicle is cleaned by caustic soda and other strong alkaline substances, ground equipment is damaged, the danger degree is high, and no cleaning agent suitable for sanitation public facilities is available in the market.
Besides general dust, the reason why the dirt of roadside public facilities is difficult to scrub is that the dirt is bonded by organic matters discharged by automobile exhaust, so that the dirt cannot be scrubbed cleanly by simple scrubbing with water. The places such as the ground in the night market, the ground of a garbage truck, the ground of a transfer station and the like belong to heavy-dirt oil pollution, the cleaning effect cannot be achieved by common cleaning agents, and the cleaning by caustic soda is not only dangerous, but also has high corrosion.
Disclosure of Invention
The invention aims to provide a low-foam cleaning agent, a preparation method and application thereof.
In order to achieve the above object, the present invention provides the following technical solutions:
the invention provides a low-foam cleaning agent which comprises the following components in percentage by mass:
10-30% of a surfactant, 10-20% of an alkaline substance, 5-15% of an oil stain solvent, 5-20% of an alkaloid, 2-5% of a bactericide, 0.1-0.5% of a scale inhibitor and the balance of water;
the alkaline substance is sodium citrate and/or sodium bicarbonate;
the surfactant is a mixture of a nonionic surfactant and an anionic surfactant; the nonionic surfactant comprises one or more of alkylolamide, glycerol polyoxyethylene polyoxypropylene ether, polyoxyethylene polyoxypropylene block copolymer, ethylenediamine polyoxyethylene polyoxypropylene block polyether, polysiloxane polyether copolymer, alkylphenol polyoxyethylene and fatty alcohol polyoxyethylene ether AEO-9; the anionic surfactant comprises one or more of sodium fatty alcohol acyl sulfate, sodium ethoxylated fatty acid methyl ester sulfonate and secondary sodium alkyl sulfonate;
the oil stain solvent comprises at least one of an ether solvent and an acetate solvent and turpentine.
Preferably, the ether solvent is ethylene glycol tert-butyl ether and/or ethylene glycol methyl ether.
Preferably, the acetate solvent is ethyl acetate and/or butyl acetate.
Preferably, the alkaloid is one or more of berberine, leonurine and colchicine.
Preferably, the bactericide is one or more of 1, 2-benzisothiazolin-3-one, 2-n-octyl-4-isothiazolin-3-one, 2-methyl-4-isothiazolin-3-one and 5-chloro-2-methyl-4-isothiazolin-3-one.
Preferably, the scale inhibitor comprises benzotriazole.
The invention provides a preparation method of the low-foam cleaning agent, which comprises the following steps:
mixing a surfactant, an alkaline substance, an oil stain solvent, an alkaloid, a bactericide, a scale inhibitor and water, and obtaining the low-foam cleaning agent after all the raw materials are dissolved.
Preferably, the mixing process comprises: heating water to 55-65 ℃, adding a surfactant into hot water, and stirring until the surfactant is completely dissolved to obtain a first mixed solution;
cooling the first mixed solution, adding an oil stain solvent, and stirring to obtain a second mixed solution;
adding an alkaline substance into the second mixed solution, and stirring until the alkaline substance is dissolved to obtain a third mixed solution;
adding alkaloid into the third mixed solution, and stirring until the alkaloid is dissolved to obtain a fourth mixed solution;
adding a bactericide into the fourth mixed solution, and stirring until the bactericide is dissolved to obtain a fifth mixed solution;
adding a scale inhibitor into the fifth mixed solution, and stirring until the scale inhibitor is dissolved to obtain the low-foam cleaning agent.
The invention provides an application of the low-foam cleaning agent in the scheme or the low-foam cleaning agent prepared by the preparation method in the scheme in the cleaning field.
Preferably, the cleaning field includes cleaning of sanitation utilities.
The invention provides a low-foam cleaning agent which comprises the following components in percentage by mass: 10-30% of a surfactant, 10-20% of an alkaline substance, 5-15% of an oil stain solvent, 5-20% of an alkaloid, 2-5% of a bactericide, 0.1-0.5% of a scale inhibitor and the balance of water; the alkaline substance is sodium citrate and/or sodium bicarbonate; the surfactant is a mixture of a nonionic surfactant and an anionic surfactant; the nonionic surfactant comprises one or more of alkylolamide, glycerol polyoxyethylene polyoxypropylene ether, polyoxyethylene polyoxypropylene block copolymer, ethylenediamine polyoxyethylene polyoxypropylene block polyether, polysiloxane polyether copolymer, alkylphenol polyoxyethylene and fatty alcohol polyoxyethylene ether AEO-9; the anionic surfactant comprises one or more of sodium fatty alcohol acyl sulfate, sodium ethoxylated fatty acid methyl ester sulfonate and secondary sodium alkyl sulfonate; the oil stain solvent comprises at least one of an ether solvent and an acetate solvent and turpentine.
According to the invention, a proper nonionic surfactant and an anionic surfactant are compounded to form a system with strong synergistic interaction, and the system has the functions of wetting, penetrating, emulsifying, solubilizing and dispersing, and can reduce the adhesion of dirtThe cleaning efficiency is high, the low foam is easy to wash, and the water saving amount is 30-50%. The alkaline substance selected by the invention is sodium citrate and/or sodium bicarbonate, belongs to a mild substance, and is cooperated with alkaloid to enhance alkalinity, improve cleaning power and avoid using traditional strong alkali. The oil stain solvent selected by the invention is an environment-friendly solvent, the turpentine is a plant extract, contains a high-activity reaction group, and improves the oil stain dissolving capacity and the cleaning capacity of the cleaning agent by cooperating with the surfactant. Meanwhile, the turpentine can react with odor molecules, and the odor of sanitation public facilities such as garbage cans, kitchen carts and the like can be removed. The alkaloid selected by the invention is a plant extract, not only can improve the cleaning power by cooperating with alkaline substances, but also has the deodorization effect. The disinfectant added in the invention has the sterilization effect and is particularly suitable for cleaning sanitation public facilities such as dining cars, road guardrails, garbage cans and the like. The scale inhibitor is added, so that the scale inhibitor has a scale inhibition and corrosion inhibition effect, can improve the cleaning force and protect the cleaning surface. The results of the examples show that the components of the cleaning agent have synergistic effect, the obtained cleaning fluid has high cleaning power, and the detergency is more than or equal to 90%; mild formulation and corrosion (LY)12Duralumin) < 10 mg; little foam, defoaming performance ((30 +/-2 ℃) and residual foam height after 10 min) < 1 mm.
Drawings
FIG. 1 is a photograph of the cleaning agent of example 3 before and after the cleaning of a dining car.
Detailed Description
The invention provides a low-foam cleaning agent which comprises the following components in percentage by mass:
10-30% of a surfactant, 10-20% of an alkaline substance, 5-15% of an oil stain solvent, 5-20% of an alkaloid, 2-5% of a bactericide, 0.1-0.5% of a scale inhibitor and the balance of water;
the alkaline substance is sodium citrate and/or sodium bicarbonate;
the surfactant is a mixture of a nonionic surfactant and an anionic surfactant; the nonionic surfactant comprises one or more of alkylolamide, glycerol polyoxyethylene polyoxypropylene ether, polyoxyethylene polyoxypropylene block copolymer, ethylenediamine polyoxyethylene polyoxypropylene block polyether, polysiloxane polyether copolymer, alkylphenol polyoxyethylene and fatty alcohol polyoxyethylene ether AEO-9; the anionic surfactant comprises one or more of sodium fatty alcohol acyl sulfate, sodium ethoxylated fatty acid methyl ester sulfonate and secondary sodium alkyl sulfonate;
the oil stain solvent comprises at least one of an ether solvent and an acetate solvent and turpentine.
In the present invention, the starting materials used are all commercially available products well known in the art, unless otherwise specified.
The low-foam cleaning agent provided by the invention comprises 10-30% of surfactant, preferably 12-25%, and more preferably 15-20% by mass. In the present invention, the surfactant is a mixture of a nonionic surfactant and an anionic surfactant; the nonionic surfactant comprises one or more of alkylolamide, glycerol polyoxyethylene polyoxypropylene ether, polyoxyethylene polyoxypropylene block copolymer, ethylenediamine polyoxyethylene polyoxypropylene block polyether, polysiloxane polyether copolymer, alkylphenol polyoxyethylene and fatty alcohol polyoxyethylene ether AEO-9, and preferably alkylolamide; in an embodiment of the invention, the alkylolamide is in particular coconut fatty acid monoethanolamide. The anionic surfactant comprises one or more of sodium fatty alcohol acyl sulfate, sodium ethoxylated fatty acid methyl ester sulfonate and secondary sodium alkyl sulfonate. The invention has no special requirement on the proportion of the nonionic surfactant and the anionic surfactant, and the proportion can be any. In the present invention, when the nonionic surfactant (or anionic surfactant) includes a plurality of nonionic surfactants (or anionic surfactants), the ratio of each nonionic surfactant (or anionic surfactant) in the present invention is not particularly limited, and any ratio may be used. According to the invention, a proper nonionic surfactant and an anionic surfactant are compounded, so that a formed system has a strong synergistic interaction effect, has the functions of wetting, penetrating, emulsifying, solubilizing and dispersing, reduces the adhesive force of dirt, has high cleaning efficiency, is low in foam, is easy to flush and saves water.
The low-foam cleaning agent provided by the invention comprises 10-20% of alkaline substances by mass percentage, preferably 12-18% of alkaline substances by mass percentage, and more preferably 14-16% of alkaline substances by mass percentage. In the present invention, the alkaline substance is sodium citrate and/or sodium bicarbonate. When the alkaline substances are sodium citrate and sodium bicarbonate, the proportion of the sodium citrate and the sodium bicarbonate is not specially required, and the sodium bicarbonate can be prepared in any proportion. The alkaline substance selected by the invention is sodium citrate and/or sodium bicarbonate, belongs to a mild substance, avoids the corrosion of the traditional strong alkali, and enhances the alkalinity and improves the cleaning power by cooperating with the alkaloid.
The low-foam cleaning agent provided by the invention comprises 5-15% of an oil stain solvent, preferably 7-14%, and more preferably 8-12% by mass. In the invention, the oil stain solvent comprises at least one of an ether solvent and an acetate solvent and turpentine. The mass percentage of the turpentine in the oil stain solvent is preferably 50-80%, and more preferably 60-80%. In the present invention, the ether solvent is preferably ethylene glycol t-butyl ether and/or ethylene glycol methyl ether; when the ether solvent is ethylene glycol tert-butyl ether and ethylene glycol methyl ether, the invention has no special requirement on the proportion of the ethylene glycol tert-butyl ether and the ethylene glycol methyl ether, and the proportion can be any proportion. In the present invention, the acetate-based solvent is preferably ethyl acetate and/or butyl acetate. When the acetate solvents are ethyl acetate and butyl acetate, the invention has no special requirements on the proportion of the ethyl acetate and the butyl acetate, and the proportion can be any. The low-foam cleaning agent contains turpentine, wherein the turpentine is a plant extract and contains functional groups with high reaction activity, such as pinene, terpineol, myrcene and the like, so that the low-foam cleaning agent not only has the capability of dissolving oil and improving the cleaning power, but also can chemically react with odor molecules.
The low-foam cleaning agent provided by the invention comprises 5-20% of alkaloid by mass, preferably 7-14% of alkaloid by mass, and more preferably 8-12% of alkaloid by mass. In the present invention, the alkaloid is preferably one or more of berberine, leonurine and colchicine; when the alkaloid is in various proportions, the proportion of each alkaloid is not particularly required, and the alkaloid can be in any proportion. The alkaloid is plant extract, and not only cooperates with alkaline substance to improve cleaning power, but also has deodorizing effect.
The low-foam cleaning agent provided by the invention comprises 2-5% of bactericide by mass percentage, and preferably 2-3%. In the present invention, the bactericide is preferably one or more of 1, 2-benzisothiazolin-3-one, 2-n-octyl-4-isothiazolin-3-one, 2-methyl-4-isothiazolin-3-one and 5-chloro-2-methyl-4-isothiazolin-3-one. When the bactericide comprises a plurality of substances, the invention has no special requirements on the mixture ratio of the substances and can be used in any mixture ratio. The bactericide is added, so that the cleaning agent has a sterilizing effect, and is particularly suitable for cleaning sanitation public facilities such as dining cars, road guardrails, garbage cans and the like.
The low-foam cleaning agent provided by the invention comprises 0.1-0.5% of scale inhibitor by mass percentage, and preferably 0.1%. In the present invention, the scale inhibitor preferably comprises benzotriazole, and more preferably benzotriazole. The scale inhibitor is added, so that the cleaning agent has a scale and corrosion inhibition effect, the cleaning force can be improved, and the cleaning surface can be protected.
The low-foam cleaning agent provided by the invention comprises the balance of water.
The invention provides a preparation method of the low-foam cleaning agent, which comprises the following steps:
mixing a surfactant, an alkaline substance, an oil stain solvent, an alkaloid, a bactericide, a scale inhibitor and water, and obtaining the low-foam cleaning agent after all the raw materials are dissolved.
In the present invention, the mixing process preferably includes: heating water to 55-65 ℃, adding a surfactant into hot water, and stirring until the surfactant is completely dissolved to obtain a first mixed solution;
cooling the first mixed solution, adding an oil stain solvent, and stirring to obtain a second mixed solution;
adding an alkaline substance into the second mixed solution, and stirring until the alkaline substance is dissolved to obtain a third mixed solution;
adding alkaloid into the third mixed solution, and stirring until the alkaloid is dissolved to obtain a fourth mixed solution;
adding a bactericide into the fourth mixed solution, and stirring until the bactericide is dissolved to obtain a fifth mixed solution;
adding a scale inhibitor into the fifth mixed solution, and stirring until the scale inhibitor is dissolved to obtain the low-foam cleaning agent.
The invention has no special requirements on the stirring conditions, and can fully dissolve all materials. In the present invention, the temperature of the first mixed liquid after cooling is preferably normal temperature.
The invention provides an application of the low-foam cleaning agent in the scheme or the low-foam cleaning agent prepared by the preparation method in the scheme in the cleaning field. In the present invention, the cleaning field preferably includes, but is not limited to, cleaning of sanitation public facilities. The invention has no special requirement on the application mode, and can be used after being diluted properly, such as 10-50 times.
The low-foaming cleaning agent provided by the present invention, the preparation method and the application thereof are described in detail with reference to the following examples, but they should not be construed as limiting the scope of the present invention.
Example 1
The composition of the low foam cleaner is shown in table 1.
Table 1 example 1 composition of cleaning agent
The preparation method comprises the following steps:
(1) weighing coconut oil fatty acid monoethanolamide, ethylenediamine polyoxyethylene polyoxypropylene block polyether, secondary alkyl sodium sulfonate, sodium citrate, sodium bicarbonate, ethylene glycol monomethyl ether, turpentine, berberine, 1, 2-benzisothiazolin-3-one and benzotriazole according to weight;
(2) heating water to 60 ℃, adding and stirring coconut oil fatty acid monoethanolamide, ethylenediamine polyoxyethylene polyoxypropylene block polyether and secondary alkyl sodium sulfonate until the mixture is completely dissolved;
(3) after the solution is cooled, adding ethylene glycol monomethyl ether and turpentine, and uniformly stirring;
(4) adding sodium citrate and sodium bicarbonate, and stirring for dissolving uniformly;
(5) adding berberine, stirring and dissolving;
(6) adding 1, 2-benzisothiazolin-3-one, and stirring to dissolve uniformly;
(7) and adding benzotriazole, and stirring and dissolving uniformly to obtain the low-foam cleaning agent.
Example 2
The composition of the low foam cleaner is shown in table 2.
Table 2 example 2 composition of cleaning agent
The specific preparation process comprises the following steps:
(1) weighing coconut oil fatty acid monoethanolamide, fatty alcohol acyl sodium sulfate, ethoxylated fatty acid methyl ester sodium sulfonate, sodium citrate, glycol tert-butyl ether, glycol methyl ether, turpentine, leonurine, 2-n-octyl-4-isothiazolin-3-one and benzotriazole according to weight;
(2) heating water to 60 ℃, adding and stirring coconut oil fatty acid monoethanolamide, fatty alcohol acyl sodium sulfate and ethoxylated fatty acid methyl ester sodium sulfonate until the materials are completely dissolved;
(3) cooling the solution, adding ethylene glycol tert-butyl ether, ethylene glycol methyl ether and turpentine, and uniformly stirring;
(4) adding sodium citrate, and stirring to dissolve uniformly;
(5) adding leonurine, and stirring to dissolve uniformly;
(6) adding 2-n-octyl-4-isothiazoline-3-ketone, and stirring to dissolve uniformly;
(7) and adding benzotriazole, and stirring and dissolving uniformly to obtain the low-foam cleaning agent.
Example 3
The composition of the low foam cleaner is shown in table 3.
Table 3 example 3 composition of cleaning agent
The specific preparation process comprises the following steps:
(1) weighing coconut oil fatty acid monoethanolamide, fatty alcohol acyl sodium sulfate, ethoxylated fatty acid methyl ester sodium sulfonate, sodium citrate, sodium bicarbonate, ethyl acetate, butyl acetate, turpentine, leonurine, colchicine, 2-n-octyl-4-isothiazoline-3-ketone and benzotriazole according to weight;
(2) heating water to 60 ℃, adding and stirring coconut oil fatty acid monoethanolamide, fatty alcohol acyl sodium sulfate and ethoxylated fatty acid methyl ester sodium sulfonate until the materials are completely dissolved;
(3) cooling the solution, adding ethyl acetate, butyl acetate and turpentine, and stirring uniformly;
(4) adding sodium citrate and sodium bicarbonate, and stirring for dissolving uniformly;
(5) adding leonurine and colchicine, stirring and dissolving uniformly;
(6) adding 2-n-octyl-4-isothiazoline-3-ketone, and stirring to dissolve uniformly;
(7) and adding benzotriazole, and stirring and dissolving uniformly to obtain the low-foam cleaning agent.
Example 4
The composition of the low foam cleaner is shown in table 4.
Table 4 example 4 composition of cleaning agent
The specific preparation process comprises the following steps:
(1) weighing alkylphenol ethoxylates, fatty alcohol-polyoxyethylene ether AEO-9, fatty alcohol acyl sodium sulfate, secondary alkyl sodium sulfonate, sodium citrate, sodium bicarbonate, ethylene glycol tert-butyl ether, ethyl acetate, turpentine, berberine, colchicine, 5-chloro-2-methyl-4-isothiazoline-3-ketone and benzotriazole according to weight;
(2) heating water to 60 ℃, adding and stirring alkylphenol polyoxyethylene ether, fatty alcohol polyoxyethylene ether AEO-9, fatty alcohol acyl sodium sulfate and secondary alkyl sodium sulfonate until the mixture is completely dissolved;
(3) cooling the solution, adding ethylene glycol tert-butyl ether, ethyl acetate and turpentine, and uniformly stirring;
(4) adding sodium citrate and sodium bicarbonate, and stirring for dissolving uniformly;
(5) adding berberine and colchicine, stirring and dissolving;
(6) adding 5-chloro-2-methyl-4-isothiazoline-3-ketone, and stirring to dissolve uniformly;
(7) and adding benzotriazole, and stirring and dissolving uniformly to obtain the low-foam cleaning agent.
Comparative example 1
The difference from example 4 is that no turpentine is added, and the specific composition is shown in Table 5.
TABLE 5 composition of cleaning agent for comparative example 1
Comparative example 2
The difference from example 4 is that no alkaloid is added, and the specific composition is shown in Table 6.
TABLE 6 composition of cleaning agent for comparative example 2
Comparative example 3
The difference from example 4 is that sodium citrate, sodium bicarbonate and alkaloid are replaced by sodium hydroxide, and the specific composition is shown in table 7.
TABLE 7 composition of cleaning agent for comparative example 3
The performance test was performed on the cleaning agents of examples 1 to 4 and comparative examples 1 to 3: the results of the 20-fold dilution of the above cleaning agent are shown in Table 8.
The detergency testing method comprises the following steps:
reference is made to the QB/T4314-2012 "alkaline cleaners for food tools and industrial plants" method.
② a method for testing corrosion amount:
the amount of corrosion of the test pieces of duralumin (LY12) was determined by reference to QB/T2117-1995 "general Water-based Metal cleaners".
The stability test method comprises the following steps:
the cleaning agent is placed in a refrigerator at the temperature of minus 5 +/-2 ℃ for 24 hours, taken out and immediately observed, and transparent products are not turbid due to no peculiar smell, no layering and no color change.
The cleaning agent is placed in a heat preservation box at the temperature of (40 +/-2) DEG C for 24 hours, taken out and observed immediately, and transparent products are not turbid if no peculiar smell, no layering and no color change phenomenon exist.
Fourthly, the defoaming performance detection method:
the defoaming performance is detected by referring to JB/T4323.2-1999 test method for water-based metal cleaning agent.
TABLE 8 test results of the cleaning agents of examples 1 to 4 and comparative examples 1 to 3
From the results of Table 8, it is clear that the detergent without turpentine (comparative example 1) is the least excellent in detergency; the cleaning agent without the added alkaloid (comparative example 2) also has poor detergency, and the cleaning agent of the invention (comparative example 3) has good detergency but has high corrosion, is easy to corrode equipment and cannot be used for cleaning sanitation public facilities. In addition, the results in Table 8 also show that the defoaming performance of the examples of the invention (the residual foam height after 10min at 30 ℃ +/-2 ℃) is less than 1mm, and the defoaming performance of the low-foaming cleaning agent (the residual foam height after 10min at 30 ℃ +/-2 ℃) in JB/T4323.1-1999 Water-based metal cleaning agent is less than or equal to 5mm, and the low-foaming cleaning agent belongs to a low-foaming cleaning agent, is easy to clean and has low water consumption.
The cleaning agent prepared in the embodiment 3 of the invention is used for cleaning a dining car, and photos of the dining car before and after cleaning are shown in figure 1, wherein the left picture is before cleaning, and the right picture is after cleaning. As can be seen from FIG. 1, the cleaning agent of the present invention has good detergency.
As can be seen from the above examples and comparative examples, the low-foam cleaning agent provided by the invention has the advantages of stable product, high cleaning efficiency, mild formula, environment-friendly components, sterilization and deodorization effects, and is suitable for cleaning environmental sanitation public facilities.
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 (10)
1. The low-foam cleaning agent is characterized by comprising the following components in percentage by mass:
10-30% of a surfactant, 10-20% of an alkaline substance, 5-15% of an oil stain solvent, 5-20% of an alkaloid, 2-5% of a bactericide, 0.1-0.5% of a scale inhibitor and the balance of water;
the alkaline substance is sodium citrate and/or sodium bicarbonate;
the surfactant is a mixture of a nonionic surfactant and an anionic surfactant; the nonionic surfactant comprises one or more of alkylolamide, glycerol polyoxyethylene polyoxypropylene ether, polyoxyethylene polyoxypropylene block copolymer, ethylenediamine polyoxyethylene polyoxypropylene block polyether, polysiloxane polyether copolymer, alkylphenol polyoxyethylene and fatty alcohol polyoxyethylene ether AEO-9; the anionic surfactant comprises one or more of sodium fatty alcohol acyl sulfate, sodium ethoxylated fatty acid methyl ester sulfonate and secondary sodium alkyl sulfonate;
the oil stain solvent comprises at least one of an ether solvent and an acetate solvent and turpentine.
2. The low-foaming cleaning agent according to claim 1, wherein the ether solvent is ethylene glycol t-butyl ether and/or ethylene glycol methyl ether.
3. The low-foaming cleaning agent as claimed in claim 1 or 2, wherein the acetate solvent is ethyl acetate and/or butyl acetate.
4. The low foaming cleaner of claim 1, wherein the alkaloid is one or more of berberine, leonurine and colchicine.
5. The low-foaming detergent as claimed in claim 1, wherein the bactericide is one or more of 1, 2-benzisothiazolin-3-one, 2-n-octyl-4-isothiazolin-3-one, 2-methyl-4-isothiazolin-3-one and 5-chloro-2-methyl-4-isothiazolin-3-one.
6. The low-foam cleaning agent as claimed in claim 1, wherein the scale inhibitor comprises benzotriazole.
7. A method for preparing a low-foam cleaning agent as claimed in any one of claims 1 to 6, comprising the steps of:
mixing a surfactant, an alkaline substance, an oil stain solvent, an alkaloid, a bactericide, a scale inhibitor and water, and obtaining the low-foam cleaning agent after all the raw materials are dissolved.
8. The method of claim 7, wherein the mixing comprises: heating water to 55-65 ℃, adding a surfactant into hot water, and stirring until the surfactant is completely dissolved to obtain a first mixed solution;
cooling the first mixed solution, adding an oil stain solvent, and stirring to obtain a second mixed solution;
adding an alkaline substance into the second mixed solution, and stirring until the alkaline substance is dissolved to obtain a third mixed solution;
adding alkaloid into the third mixed solution, and stirring until the alkaloid is dissolved to obtain a fourth mixed solution;
adding a bactericide into the fourth mixed solution, and stirring until the bactericide is dissolved to obtain a fifth mixed solution;
adding a scale inhibitor into the fifth mixed solution, and stirring until the scale inhibitor is dissolved to obtain the low-foam cleaning agent.
9. Application of the low-foam cleaning agent as defined in any one of claims 1 to 6 or the low-foam cleaning agent prepared by the preparation method as defined in any one of claims 7 to 8 in the field of cleaning.
10. Use according to claim 9, wherein the cleaning field comprises cleaning of sanitation utilities.
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