CN109266469B - Non-surfactant-based composition, preparation method and application thereof - Google Patents
Non-surfactant-based composition, preparation method and application thereof Download PDFInfo
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- CN109266469B CN109266469B CN201811267236.6A CN201811267236A CN109266469B CN 109266469 B CN109266469 B CN 109266469B CN 201811267236 A CN201811267236 A CN 201811267236A CN 109266469 B CN109266469 B CN 109266469B
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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
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/02—Inorganic compounds
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- C11D7/06—Hydroxides
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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
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/22—Organic compounds
- C11D7/26—Organic compounds containing oxygen
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Abstract
The invention relates to a non-surfactant-based composition with a cleaning function, a preparation method and application thereof. The preparation method of the non-surfactant based composition with the cleaning function comprises the following steps: (1) preparing an alkaline aqueous solution; (2) mixing the obtained alkaline aqueous solution with a polyol compound to obtain the composition with a cleaning function. The composition has good decontamination, sterilization, skin irritation prevention and non-toxic effects, makes up the defect of single function of the traditional washing cleaning products, and meets the requirement of national food safety standard-detergent A class of GB14930.1-2015 national food safety standard detergent.
Description
Technical Field
The invention belongs to the technical field of detergent products, and particularly relates to a non-surfactant-based composition with a cleaning function, a preparation method and application thereof.
Background
With the enhancement of environmental protection awareness and health awareness of people, higher requirements and expectations are placed on a product which is a detergent and is closely related to life, and the research on the formula of the detergent is gradually developed towards the aspects of the functionality, the economy, the safety to human bodies, the environmental safety and the like of the product. The detergent generally refers to a substance capable of cleaning dirt under common washing conditions, and the detergent/antibacterial agent in the field of traditional daily chemical products is various in variety, basically belongs to an organic daily chemical product of surfactants and has relatively single function.
Although the vegetable and fruit cleaning agent which is a common vegetable component in the market does not contain synthetic preservative, mineral, synthetic essence, sulfate and phosphate compared with the daily-used hand-washing dish washing detergent, the main component still contains vegetable surfactant, such as caprylyl glycol, citric acid (sodium) and other additives, and the vegetable and fruit cleaning agent does not have the sterilization function. The commonly used antibacterial detergent products are basically based on quaternary ammonium salts, and although the products are easy to degrade, the products have certain stimulation and sensitization effects on the skin. In addition, although the special fruit and vegetable cleaning agent is used for pesticide residues of fruits and vegetables, the special fruit and vegetable cleaning agent still belongs to a surfactant product, and certain surfactant residues exist while pesticide residues are removed, so that certain influences are caused on human health. The prior detergent needs a large amount of water for rinsing in the using process, and the discharged washing sewage is easy to cause the damage and eutrophication of natural water and is not environment-friendly enough. Meanwhile, the existing detergent products can not remove the peculiar smell in the closed space of the kitchen such as a refrigerator, a cupboard and the like.
CN106590984B discloses a concentrated tableware detergent, which is prepared from the following raw materials in percentage by weight: 1-5% of alkyl glycoside, 8-12% of fatty alcohol-polyoxyethylene ether sodium sulfate, 1-5% of sulfonic acid, 18-24% of fatty alcohol-polyoxyethylene ether acrylate oligomer, 8-12% of sodium hydroxide, 14-17% of fatty acid methyl ester ethoxylate, 12-18% of lauroylamidopropyl betaine, 6-12% of solubilizer, 0.1-0.2% of preservative, 0.01-0.1% of essence, 0-10% of auxiliary agent and the balance of water to 100%. The detergent has a stable high-concentration system, but contains more additives and surfactants, and is easy to cause environmental pollution.
CN103773620B discloses a kitchen detergent, which comprises the following components: 10-14 parts of sodium dodecyl benzene sulfonate, 4-7 parts of coconut oil fatty acid diethanolamide, 2-4 parts of propylene glycol, 2-3 parts of sodium hydroxide, 0.2-0.5 part of essence, 0.3-0.7 part of preservative and 100 parts of water by mass, and all the components of the kitchen detergent are added into a ceramic container to be stirred for 30-50 minutes and uniformly mixed to obtain the kitchen detergent. The kitchen detergent has good use effect, but has certain toxicity and can cause environmental pollution.
CN101514314B discloses a transparent neutral laundry detergent containing a high-concentration chelating agent and a preparation method thereof, wherein the detergent contains fatty alcohol-polyoxyethylene ether sodium sulfate (70%), alpha-olefin sulfonate, citric acid, sodium hydroxide, polyacrylate, 2-hydroxypropionic acid, a fluorescent whitening agent, isothiazolinone, essence and deionized water. The laundry detergent has the characteristics of strong hard water resistance, strong detergency, easiness in rinsing and the like under the condition of low surfactant content, but the laundry detergent has relatively single function.
There is a need in the art to develop a novel detergent which has a good cleaning effect, is free from environmental pollution, is non-toxic and harmless to the human body, and can satisfy the needs of various fields.
Disclosure of Invention
In view of the disadvantages of the prior art, it is an object of the present invention to provide a non-surfactant based composition having a cleaning function, which includes an alkaline aqueous solution and a polyol compound.
The non-surfactant based composition with a cleaning function of the invention means that the composition has the cleaning function of a conventional detergent, such as cleaning greasy dirt and the like, but the composition does not depend on a surfactant for cleaning, or the content of the surfactant in the composition is less than or equal to 10 percent, even the content of the surfactant in the composition is 0 percent.
The invention subverts the principle of addition of the materials such as surfactant, auxiliary agent, preservative, essence and the like in the traditional synthetic detergent, and achieves multiple functions of decontamination, deodorization, sterilization and the like only by combining the alkaline aqueous solution and the polyol compound.
The alkaline aqueous solution, especially the strong alkaline aqueous solution, is very easy to react with carbon dioxide in the air to generate carbonate when being placed in the air, so that the alkalinity is reduced, and the washing performance is poor. The added polyhydric alcohol can play a role of a corrosion inhibitor, slow down the combination rate of hydroxyl anions and carbon dioxide in the air, improve the storage stability of strong alkaline solutions such as sodium hydroxide and potassium hydroxide, and meanwhile, according to the similar intermiscibility principle, the polyhydric alcohol can remove olefin and aromatic hydrocarbon pollutants common in family life.
In the non-surfactant composition with the cleaning function, the polyalcohol can also play a role in emulsification, and hydroxide anions can better fully contact and react with oil stains by reducing the surface tension of a working surface and enhancing the emulsification, so that the decontamination efficiency is improved. The polyalcohol can also play a role of an accelerator, and halogenated hydrocarbon, formaldehyde and olefin substances which are difficult to remove by the traditional detergent are effectively removed by utilizing the active chemical characteristic of alcoholic hydroxyl.
In addition, after the non-surfactant based composition with the cleaning function is used for cleaning a target object, the polyol compound can form a protective film with a covered surface on the working surface of the target object after decontamination and drying, so that the effects of mildew resistance and corrosion resistance are achieved, and a certain moisturizing effect is achieved on the skin contacted with the non-surfactant based composition with the cleaning function; the polyol compound has viscosity, so that the liquid drop spreading during spraying can be reduced, and the possibility of inhalation by the respiratory tract of a human body is reduced.
Preferably, the mass ratio of the alkaline aqueous solution to the polyol compound in the non-surfactant based composition with a cleaning function is 5: 1-50: 1, such as 8:1, 15:1, 20:1, 25:1, 30:1, 35:1, 40:1, 45:1, and the like.
When the mass ratio of the alkaline aqueous solution to the polyol compound is less than 5:1, the concentration of hydroxide negative ions in the composition is too low, and the decontamination effect is reduced; when the mass ratio of the alkaline aqueous solution to the polyol compound is more than 50:1, the content of the polyol compound in the composition is too low, and the stability of the composition is lowered.
Preferably, the pH value of the alkaline aqueous solution is more than 11, preferably the pH value is more than or equal to 12.5, and more preferably the pH value is 12.5-13.5, such as 11.5, 12, 12.5, 12.7, 13, 13.5, etc.
Preferably, the alkaline aqueous solution includes any one or a combination of at least two of an alkaline electrolytic aqueous solution obtained by electrolyzing a soluble sodium salt, an alkaline electrolytic aqueous solution obtained by electrolyzing a soluble potassium salt, an alkaline aqueous solution obtained by dissolving sodium hydroxide in water, and an alkaline aqueous solution obtained by dissolving potassium hydroxide in water, and preferably an alkaline electrolytic aqueous solution obtained by electrolyzing a carbonate aqueous solution and/or an alkaline electrolytic aqueous solution obtained by electrolyzing a bicarbonate aqueous solution.
Preferably, the soluble sodium salt comprises any 1 or combination of at least 2 of sodium carbonate, sodium chloride, sodium nitrate, sodium bicarbonate, preferably sodium carbonate and/or sodium bicarbonate.
Preferably, the soluble potassium salt comprises any 1 or a combination of at least 2 of potassium carbonate, potassium chloride, potassium nitrate, potassium bicarbonate, preferably potassium carbonate and/or potassium bicarbonate.
Further preferably, the sodium carbonate is food grade sodium carbonate and the potassium carbonate is food grade potassium carbonate.
The sodium carbonate used by the invention conforms to the national standard GB1886.1-2015 for food safety-food additive-sodium carbonate standard; the sodium bicarbonate used in the invention meets the national standard GB1886.2-2015 for food safety-food additive-sodium bicarbonate standard; the potassium carbonate used in the invention conforms to the national standard GB25588-2010 food safety-food additive-potassium carbonate standard; the potassium bicarbonate used in the invention meets the national standard of GB25589-2010 food safety-food additive-potassium bicarbonate standard.
The cathode product of the electrolyzed sodium carbonate aqueous solution is sodium hydroxide and hydrogen, and the anode product of the electrolyzed sodium carbonate aqueous solution is oxygen and carbonic acid; the cathode product of the electrolytic potassium carbonate aqueous solution is potassium hydroxide and hydrogen, and the anode product of the electrolytic potassium carbonate aqueous solution is oxygen and carbonic acid.
Preferably, the bicarbonate comprises sodium bicarbonate and/or potassium bicarbonate.
Further preferably, the bicarbonate comprises food grade sodium bicarbonate and/or food grade potassium bicarbonate.
The cathode product of the electrolytic sodium bicarbonate water solution is sodium hydroxide and hydrogen, and the anode product of the electrolytic sodium bicarbonate water solution is oxygen and carbonic acid; the cathode product of the electrolytic potassium bicarbonate aqueous solution is potassium hydroxide and hydrogen, and the anode product of the electrolytic potassium bicarbonate aqueous solution is oxygen and carbonic acid.
Preferably, the alkaline aqueous solution includes any one or a combination of at least two of a sodium hydroxide electrolytic aqueous solution, a potassium hydroxide electrolytic aqueous solution, a sodium hydroxide aqueous solution and a potassium hydroxide aqueous solution, preferably a sodium hydroxide electrolytic aqueous solution.
Preferably, the mass concentration of the metal ion compound in the basic aqueous solution is < 0.9 wt%, such as 0.01 wt%, 0.1 wt%, 0.2 wt%, 0.3 wt%, 0.4 wt%, 0.5 wt%, 0.6 wt%, 0.8 wt%, etc.
Preferably, the polyol compound is a water-soluble polyol compound, preferably including any one or a combination of at least two of a diol compound, a triol compound and a tetraol compound, preferably including any one or a combination of at least two of ethylene glycol, propylene glycol and glycerol.
The second object of the present invention is to provide a method for preparing a non-surfactant based composition having a cleansing function, the method comprising the steps of:
(1) preparing an alkaline aqueous solution;
(2) mixing the obtained alkaline aqueous solution with a polyol compound to obtain the composition with a cleaning function.
The invention does not add any surfactant and antibacterial agent in the preparation process, and eliminates harmful substances such as pathogenic bacteria, formaldehyde, pesticide residue and the like while cleaning and decontaminating articles by using the hydroxyl anions and the polyol compound.
The preparation process has the advantages of simple process, easily available raw materials, industrial production, capability of utilizing green clean energy such as wind energy, solar energy and the like in the whole production link, no pollutant emission in the production process, and environmental protection.
Preferably, the alkaline aqueous solution prepared in step (1) is an alkaline aqueous electrolytic solution obtained by electrolyzing a soluble sodium salt or an alkaline aqueous electrolytic solution obtained by electrolyzing a soluble potassium salt.
The composition prepared by mixing the alkaline electrolytic aqueous solution prepared by electrolysis and the polyol compound not only has strong detergency, but also has the beneficial effects of sterilization, no skin irritation and no toxicity. The composition prepared by mixing the alkaline electrolytic aqueous solution prepared by electrolysis with the polyalcohol compound is subjected to decontamination, sterilization, skin irritation and toxicity tests, the detergency is detected according to the standard of QBT4348-2012 kitchen greasy dirt cleaning agent, and the test result shows that the detergency of the product is more than or equal to 90%; the sterilization rate test is carried out according to the standard of evaluation method for antibacterial and bacteriostatic effects of QB/T2738-2005 daily chemical products, and the test result shows that the sterilization rate of the product is more than or equal to 99.1%; performing a label removal rate test according to the QB/T2967-2008 bottle cleaning agent for beverage, wherein the test result shows that the label removal rate is 100%; skin irritation test is carried out according to the standard of disinfection technical specification, and the test result shows that the product has no irritation to skin and belongs to the actual non-toxic grade (LD50 is more than 10000 mg/kg); the composition components are detected according to national standard GB14930.1-2015 for food safety, namely standard detergent A capable of being directly contacted with food, and the detection result shows that the product does not contain phosphorus, formaldehyde, benzoic acid, sorbic acid, methanol, heavy metals and fluorescent whitening agent.
Preferably, the process of electrolyzing the alkaline electrolytic aqueous solution obtained by soluble sodium salt and the alkaline electrolytic aqueous solution obtained by soluble potassium salt is as follows: soluble sodium salt and/or soluble potassium salt are/is used as solute to be dissolved in water to prepare electrolyte, and continuous electrolysis is carried out.
Preferably, the solute is a soluble carbonate and/or a soluble bicarbonate.
Further preferably, the solute of the electrolyte is any one or a combination of at least two of potassium carbonate, sodium carbonate, potassium bicarbonate and sodium bicarbonate.
Preferably, the electrolyte is a solution with the mass concentration of the soluble sodium salt solution being 0.9-1.1 times of the mass concentration of the soluble sodium salt saturated solution, and/or a solution with the mass concentration of the soluble potassium salt solution being 0.9-1.1 times of the mass concentration of the soluble potassium salt saturated solution, such as 0.9 times, 1 times, 1.1 times, etc.
In the electrolytic preparation of the alkaline aqueous electrolyte solution, the electrode pressure in the electrolytic cell is preferably controlled to be 2 to 4V, for example, 2.5V, 3.0V, 3.5V, etc.
Preferably, in the electrolysis preparation of the alkaline electrolysis aqueous solution, the water outlet rate of the strong alkaline water is 1000W/h consumed by the electrolytic cell, and the water outlet amount per hour is less than 3000L, preferably 30-3000L, and further preferably 30-2000L.
In the process of preparing the alkaline electrolytic aqueous solution, the pH value of the sodium hydroxide or potassium hydroxide solution is mainly influenced by the water outlet rate of strong alkaline water in an electrolytic cell and the power of the electrolytic cell, and the higher the water outlet rate is under the same power, the lower the pH value of the prepared electrolytic aqueous solution is; the smaller the water outlet rate, the higher the pH value of the electrolyzed water prepared.
For example, when the water outlet rate is 1000W/h per consumption of the electrolytic bath and the water outlet amount is 30-300L per hour, the pH value of the electrolytic aqueous solution is about 12; when the water outlet rate is 1000W/h per consumption of the electrolytic bath and the water outlet amount is 30-35L per hour, the pH value of the electrolytic aqueous solution is about 13.
As one of the preferred technical solutions, the method for preparing the non-surfactant based composition with cleaning function according to the present invention comprises the following steps:
(1) preparing a solution with the mass concentration of a soluble sodium salt solution being 0.9-1.1 times of the mass concentration of a soluble sodium salt saturated solution, and/or a solution with the mass concentration of a soluble potassium salt solution being 0.9-1.1 times of the mass concentration of a soluble potassium salt saturated solution as an electrolyte, controlling the electrode pressure in the electrolytic cell to be 2-4V, controlling the water outlet rate of strong alkaline water to be 1000W/h per consumption of the electrolytic cell, and controlling the water outlet amount per hour to be less than 3000L, and carrying out continuous electrolysis to prepare an alkaline aqueous solution; the pH value of the alkaline aqueous solution is more than 11, and the mass concentration of the metal ion compound is less than 0.9 wt%;
(2) and uniformly mixing the prepared alkaline electrolytic aqueous solution and a polyol compound according to the mass ratio of 5: 1-50: 1 to obtain the composition.
Preferably, the preparation of the alkaline aqueous solution in step (1) of the present invention is to dissolve sodium hydroxide in water and/or dissolve potassium hydroxide in water to prepare the alkaline aqueous solution.
Preferably, the sodium hydroxide is dissolved in water to obtain an alkaline aqueous solution with a concentration of 0.05 to 0.15mol/L, such as 0.07mol/L, 0.1mol/L, 0.12mol/L, 0.14mol/L, and the like.
Preferably, the potassium hydroxide is dissolved in water to obtain an alkaline aqueous solution with a concentration of 0.05 to 0.15mol/L, such as 0.07mol/L, 0.1mol/L, 0.12mol/L, 0.15mol/L, 0.18mol/L, and the like.
As a second preferred technical solution, the method for preparing the non-surfactant based composition with cleaning function according to the present invention comprises the following steps:
(1) dissolving sodium hydroxide and/or potassium hydroxide in water to prepare an alkaline aqueous solution with the concentration of 0.05-0.15 mol/L;
(2) and uniformly mixing the prepared alkaline aqueous solution and the polyol compound according to the mass ratio of 5: 1-50: 1 to obtain the composition.
It is a further object of the present invention to provide the use of a non-surfactant based composition having a cleaning function as described in one of the objects as an active for household detergents, food contact detergents and/or industrial detergents.
Preferably, the non-surfactant based composition with cleaning function is used for any one or combination of at least two of oil stain cleaning, cleaning and rust-proof treatment of stainless steel and iron objects, sterilization of household articles and toys, formaldehyde removal, toilet odor removal and kitchen waste odor removal.
Preferably, the non-surfactant based composition with the cleaning function is used for removing pesticide residues and/or hydrolyzing animal and plant residues and animal and plant fibers on the surfaces of vegetables and melons and fruits.
The invention makes up the defect that the traditional washing cleaning products have relatively single function (for example, a fruit and vegetable cleaning agent is needed when removing pesticide residues, a kitchen grease cleaning agent is needed when cleaning a range of a smoke machine, a tableware cleaning agent is needed when washing tableware by hands, a glass cleaning agent is needed when wiping glass, and the like), and has the effects of disinfection and deodorization. The composition is non-toxic and non-irritant, and can effectively remove harmful substances such as formaldehyde in the household environment.
It is a fourth object of the present invention to provide a food contact detergent comprising a non-surfactant based composition having a cleaning function according to one of the objects.
Preferably, the non-surfactant based composition having a cleaning function in the food contact detergent comprises greater than or equal to 80% by weight of the detergent, e.g., 82%, 85%, 88%, 90%, 92%, 95%, etc.
Preferably, the food contact detergent further comprises a saponin.
The fifth object of the present invention is to provide an industrial detergent comprising the non-surfactant based composition having a cleaning function according to one of the objects.
Preferably, the composition in the industrial detergent constitutes more than or equal to 80% of the weight of the detergent, such as 82%, 85%, 88%, 90%, 92%, 95%, etc.
Preferably, the industrial detergent further comprises saponin powder and/or disodium bicarbonate.
Compared with the prior art, the invention has the following beneficial effects:
(1) the invention adopts a mode of combining the alkaline aqueous solution and the polyol compound to overcome some inherent defects of the alkaline aqueous solution, such as irritation and instability of skin and respiratory mucosa tissues and the like.
(2) The composition prepared by mixing the alkaline electrolytic aqueous solution prepared by electrolysis with the polyhydric alcohol compound has good effects of decontamination, sterilization, no skin irritation and no toxicity, and the test result shows that the decontamination capability of the product is more than or equal to 90 percent when the product is subjected to decontamination test according to the standard of QBT4348-2012 kitchen greasy dirt cleaning agent; the sterilization rate test is carried out according to the standard of evaluation method for antibacterial and bacteriostatic effects of QB/T2738-2005 daily chemical products, and the test result shows that the sterilization rate of the product is more than or equal to 99.1%; performing a label removal rate test according to the QB/T2967-2008 bottle cleaning agent for beverage, wherein the test result shows that the label removal rate is 100%; skin irritation test is carried out according to the standard of disinfection technical specification, and the test result shows that the product has no irritation to skin and belongs to the actual non-toxic grade (LD50 is more than 10000 mg/kg); the composition components are detected according to national standard GB14930.1-2015 for food safety, namely standard detergent A capable of being directly contacted with food, and the detection result shows that the product does not contain phosphorus, formaldehyde, benzoic acid, sorbic acid, methanol, heavy metals and fluorescent whitening agent.
(3) The composition prepared by the invention has wide application range and makes up the defect that the traditional washing cleaning products have relatively single function.
(4) The preparation process of the invention is simple, and the preparation process does not add any surfactant or antibacterial agent, and can be used for industrial production.
Detailed Description
For the purpose of facilitating an understanding of the present invention, the present invention will now be described by way of examples. It should be understood by those skilled in the art that the examples are only for the understanding of the present invention and should not be construed as the specific limitations of the present invention.
Example 1
A method for preparing a non-surfactant based composition having a cleansing function comprises the steps of:
(1) preparing a saturated sodium carbonate solution as an electrolyte, controlling the inter-electrode voltage in an electrolytic cell to be 2-4V, continuously electrolyzing 300L of water per hour when the water outlet rate of strong alkaline water is 1000W/h consumed by the electrolytic cell to obtain a sodium hydroxide aqueous solution with the pH value of 12;
(2) and uniformly mixing the prepared sodium hydroxide aqueous solution and glycerol according to the mass ratio of 10:1 to obtain the composition.
Example 2
The difference from the example 1 is that in the step (1), the electrode pressure in the electrolytic cell is controlled to be 2-4V, the water outlet rate of the strong alkaline water is 2800L per hour for every 1000W/h consumed in the electrolytic cell, and the pH value of the prepared sodium hydroxide aqueous solution is 11.2.
Example 3
The difference from the example 1 is that in the step (1), the electrode pressure in the electrolytic cell is controlled to be 2-4V, the water outlet rate of the strong alkaline water is 1000W/h per consumption of the electrolytic cell, 30L of water is discharged per hour, and the pH value of the prepared sodium hydroxide aqueous solution is 13.
Example 4
The difference from the example 1 is that in the step (1), the electrode pressure in the electrolytic tank is controlled to be 2-4V, the water outlet rate of the strong alkaline water is 1000W/h per consumption of the electrolytic tank, 3000L of water is discharged per hour, and the pH value of the prepared sodium hydroxide aqueous solution is 11.
Example 5
The difference from the example 1 is that in the step (1), the electrode pressure in the electrolytic cell is controlled to be 2-4V, the water outlet rate of the strong alkaline water is 1000W/h per consumption of the electrolytic cell, 28L of water is discharged per hour, and the pH value of the prepared sodium hydroxide aqueous solution is 13.5.
Example 6
The difference from example 1 is that the mass ratio of the aqueous sodium hydroxide solution to the glycerin in step (2) is 5: 1.
Example 7
The difference from example 1 is that the mass ratio of the aqueous sodium hydroxide solution to the glycerin in step (2) is 50: 1.
Example 8
The difference from example 1 is that the mass ratio of the aqueous sodium hydroxide solution to the glycerin in step (2) is 55: 1.
Example 9
A method for preparing a non-surfactant based composition having a cleansing function comprises the steps of:
(1) preparing a solution with the mass concentration of potassium bicarbonate being 0.9 times of that of a saturated solution of potassium bicarbonate as an electrolyte, controlling the inter-electrode pressure in the electrolytic cell to be 2-4V, discharging 300L of water per hour when the water outlet rate of strong alkaline water is 1000W/h consumed by the electrolytic cell, and carrying out continuous electrolysis to obtain a sodium hydroxide aqueous solution with the pH value of 11.5;
(2) and uniformly mixing the prepared potassium hydroxide aqueous solution and glycerol according to the mass ratio of 10:1 to obtain the composition.
Example 10
A method for preparing a non-surfactant based composition having a cleansing function comprises the steps of:
(1) preparing a solution with the mass concentration of potassium bicarbonate being 1.1 times of that of a saturated solution of potassium bicarbonate as an electrolyte, controlling the inter-electrode pressure in the electrolytic cell to be 2-4V, discharging 300L of water per hour when the water outlet rate of strong alkaline water is 1000W/h consumed by the electrolytic cell, and carrying out continuous electrolysis to obtain a sodium hydroxide aqueous solution with the pH value of 12.5;
(2) and uniformly mixing the prepared potassium hydroxide aqueous solution and glycerol according to the mass ratio of 10:1 to obtain the composition.
Example 11
A method for preparing a non-surfactant based composition having a cleansing function comprises the steps of:
(1) dissolving sodium hydroxide in water to prepare a sodium hydroxide aqueous solution with the concentration of 0.1 mol/L;
(2) and uniformly mixing the prepared sodium hydroxide aqueous solution and glycerol according to the mass ratio of 10:1 to obtain the composition.
Example 12
The difference from example 1 is that the concentration of the aqueous sodium hydroxide solution in step (1) was 0.05 mol/L.
Example 13
The difference from example 1 is that the concentration of the aqueous sodium hydroxide solution in step (1) was 0.15 mol/L.
Example 14
The difference from example 1 is that the concentration of the aqueous sodium hydroxide solution in step (1) was 0.03 mol/L.
Example 15
The difference from example 1 is that the concentration of the aqueous sodium hydroxide solution in step (1) was 0.2 mol/L.
Example 16
The difference from example 1 is that the mass ratio of the aqueous sodium hydroxide solution to the glycerin in step (2) is 5: 1.
Example 17
The difference from example 1 is that the mass ratio of the aqueous sodium hydroxide solution to the glycerin in step (2) is 50: 1.
Example 18
A method for preparing a non-surfactant based composition having a cleansing function comprises the steps of:
(1) dissolving potassium hydroxide in water to prepare a potassium hydroxide aqueous solution with the concentration of 0.1 mol/L;
(2) and uniformly mixing the prepared potassium hydroxide aqueous solution and glycerol according to the mass ratio of 10:1 to obtain the composition.
Comparative example 1
Glycerol in example 1 was replaced with ethanol.
Comparative example 2
In example 1, no glycerol was added.
Comparative example 3
Glycerol was replaced by ethanol in example 11.
Comparative example 4
In example 11, no glycerol was added.
And (3) performance testing:
the compositions prepared were subjected to the following performance tests:
(1) the detergency is tested, and the test method is operated according to the rules in QB/T4348-2012 kitchen greasy dirt cleaning agent;
(2) the sterilization effect is tested, and the test method is operated according to the specified evaluation method of the antibacterial and bacteriostatic effects of daily chemical products;
(3) testing label removing rate according to the operation specified in QB/T2967-2008 & lt & ltbeverage bottle cleaning agent & gt;
(4) and (3) stability testing: the test method is operated according to the regulation in GB/T24691-2009 fruit and vegetable cleaning agent;
(4) skin irritation test, the test method is operated according to the regulation in the disinfection technical Specification;
(5) acute oral toxicity test, the test method is according to the operation specified in national standard GB15193.3-2014 national food safety Standard acute oral toxicity test.
TABLE 1
As can be seen from Table 1, the compositions of examples 1-18 all had good detergency, anti-microbial, stability, non-skin irritating and non-toxic effects, and met the national standard for food safety-class A detergent requirements of GB-14930.1-2015.
As can be seen from Table 1, the detergency and bactericidal performance of example 5 is inferior to that of example 1, probably because the strong alkaline water yielding rate is too high and the hydroxide anion content of the prepared composition is low, thus the detergency and bactericidal performance as a household detergent product is poor. However, since the water outlet rate of example 5 is high, the electrolysis time is short, the energy consumption is low, the cost is low, and the prepared product can be used as an oil remover and a cooling agent in industrial production.
As can be seen from Table 1, the decontamination and sterilization performance of example 4 is similar to that of example 1, and the oil removal and sterilization effects are excellent. However, the water outlet rate of the embodiment 4 is low, the electrolysis time is long, the energy consumption is high, and the cost is higher compared with the embodiment 1. Meanwhile, in the preparation process of the embodiment 4, the concentration of the hydroxyl ions is high, so that the product can be used as a cleaner for heavy oil stains in kitchens, a cleaner for industrial heavy oil stains, a decontamination agent for kitchens in catering industry and the like in actual production.
As can be seen from table 1, the stain removal performance of example 8 is inferior to that of example 1, probably because the glycerin content is too low, and the oily stain product after the decomposition of sodium hydroxide cannot be effectively removed, so the stain removal enhancing effect is not significant.
As can be seen from table 1, example 11 was inferior in stain removal and sterilization performance to example 1, probably because the sodium hydroxide electrolytically prepared in example 1 was better in performance than the sodium hydroxide in example 11.
As can be seen from table 1, comparative example 1 has poor decontamination, sterilization and stability and certain irritation to skin compared with example 1, and probably because the protective effect of ethanol added in comparative example 1 on skin is not obvious, the ethanol cannot effectively dissolve the oil stain products decomposed by sodium hydroxide, and the corrosion inhibition effect on the reaction of the sodium hydroxide aqueous solution and carbon dioxide in the air is not obvious, the product has poor decontamination, sterilization and stability and certain irritation to skin.
As can be seen from table 1, comparative example 2 has poor decontamination, sterilization and stability and has certain irritation to skin compared with example 1, and probably because no polyol is added in comparative example 2, the irritation to skin caused by the sodium hydroxide aqueous solution cannot be overcome, the oil stain product after the sodium hydroxide is decomposed cannot be effectively removed, and meanwhile, the sodium hydroxide aqueous solution reacts with carbon dioxide in the air, so that the stability of the product is poor.
As can be seen from table 1, comparative example 3 has poor decontamination, sterilization and stability and certain irritation to skin compared with example 11, and probably because the protective effect of ethanol added in comparative example 3 on skin is not obvious, the ethanol cannot effectively dissolve the oil stain products decomposed by sodium hydroxide, and the corrosion inhibition effect on the reaction of the sodium hydroxide aqueous solution and carbon dioxide in the air is not obvious, the product has poor decontamination, sterilization and stability and certain irritation to skin.
As can be seen from table 1, comparative example 4 has poor decontamination, sterilization and stability and has certain irritation to skin compared with example 11, probably because no polyol is added in comparative example 4, the irritation to skin caused by the sodium hydroxide aqueous solution cannot be overcome, the oil stain product after the sodium hydroxide decomposition cannot be effectively removed, and the sodium hydroxide aqueous solution reacts with carbon dioxide in the air, so that the stability of the product is poor.
The applicant states that the present invention is illustrated by the above examples to show the detailed process equipment and process flow of the present invention, but the present invention is not limited to the above detailed process equipment and process flow, i.e. it does not mean that the present invention must rely on the above detailed process equipment and process flow to be implemented. It should be understood by those skilled in the art that any modification of the present invention, equivalent substitutions of the raw materials of the product of the present invention, addition of auxiliary components, selection of specific modes, etc., are within the scope and disclosure of the present invention.
Claims (22)
1. A non-surfactant-based composition with a cleaning function is characterized by comprising an alkaline aqueous solution and glycerol, wherein the mass ratio of the alkaline aqueous solution to the glycerol is 5: 1-50: 1, the alkaline aqueous solution comprises an alkaline electrolytic aqueous solution obtained by electrolyzing a solution with the mass concentration of a soluble sodium salt solution being 0.9-1.1 times that of a soluble sodium salt saturated solution and/or an alkaline electrolytic aqueous solution obtained by electrolyzing a solution with the mass concentration of a soluble potassium salt solution being 0.9-1.1 times that of a soluble potassium salt saturated solution, and the pH value of the alkaline aqueous solution is more than 11; wherein the soluble sodium salt is sodium carbonate and/or sodium bicarbonate; the soluble potassium salt is potassium carbonate and/or potassium bicarbonate.
2. The non-surfactant based composition with cleaning function according to claim 1, wherein the pH value of the alkaline aqueous solution is not less than 12.5.
3. The non-surfactant based composition having a cleansing function according to claim 2, wherein the pH of the alkaline aqueous solution is 12.5 to 13.5.
4. The non-surfactant based composition having a cleaning function according to claim 1, wherein the sodium carbonate is food grade sodium carbonate and the potassium carbonate is food grade potassium carbonate.
5. The non-surfactant based composition with cleaning function according to claim 1, wherein the sodium bicarbonate is food grade sodium bicarbonate and the potassium bicarbonate is food grade potassium bicarbonate.
6. The non-surfactant based composition having a cleaning function according to claim 1, wherein the mass concentration of the metal ion compound in the alkaline aqueous solution is < 0.9 wt%.
7. A process for the preparation of a non-surfactant based composition with cleansing function according to any of claims 1 to 6, characterized in that it comprises the following steps:
(1) preparing an alkaline aqueous solution;
(2) mixing the prepared alkaline aqueous solution with glycerol to obtain a composition with a cleaning function;
wherein the mass ratio of the alkaline aqueous solution to the glycerol is 5: 1-50: 1, the alkaline aqueous solution comprises an alkaline electrolytic aqueous solution obtained by electrolyzing a solution with the mass concentration of a soluble sodium salt solution being 0.9-1.1 times of the mass concentration of a soluble sodium salt saturated solution, and/or an alkaline electrolytic aqueous solution obtained by electrolyzing a solution with the mass concentration of a soluble potassium salt solution being 0.9-1.1 times of the mass concentration of a soluble potassium salt saturated solution, and the pH value of the alkaline aqueous solution is more than 11; the soluble sodium salt is sodium carbonate and/or sodium bicarbonate; the soluble potassium salt is potassium carbonate and/or potassium bicarbonate.
8. The method according to claim 7, wherein the step of electrolyzing the soluble sodium salt to obtain an alkaline aqueous electrolyte solution and the step of electrolyzing the soluble potassium salt to obtain an alkaline aqueous electrolyte solution comprises: soluble sodium salt and/or soluble potassium salt are/is used as solute to be dissolved in water to prepare electrolyte, and continuous electrolysis is carried out.
9. The method according to claim 8, wherein the internal electrode pressure of the electrolytic cell is controlled to 2 to 4V in the electrolytic production of the aqueous alkaline solution.
10. The method according to claim 8, wherein the water outlet rate of the strong alkaline water in the electrolysis of the alkaline aqueous electrolyte solution is 1000W/h per consumption of the electrolytic bath, and the water outlet rate per hour is less than 3000L.
11. The method according to claim 10, wherein the amount of water discharged per hour in the electrolytic production of the aqueous alkaline electrolyte solution is 30 to 3000L.
12. The method according to claim 11, wherein the amount of water discharged per hour in the electrolytic production of the aqueous alkaline electrolyte solution is 30 to 2000L.
13. A method of preparing a non-surfactant based composition having a cleansing function according to claim 7, comprising the steps of:
(1) preparing a solution with the mass concentration of a soluble sodium salt solution being 0.9-1.1 times of the mass concentration of a soluble sodium salt saturated solution, and/or a solution with the mass concentration of a soluble potassium salt solution being 0.9-1.1 times of the mass concentration of a soluble potassium salt saturated solution as an electrolyte, controlling the electrode pressure in the electrolytic cell to be 2-4V, controlling the water outlet rate of strong alkaline water to be 1000W/h per consumption of the electrolytic cell, and controlling the water outlet amount per hour to be less than 3000L, and carrying out continuous electrolysis to prepare an alkaline aqueous solution; the pH value of the alkaline aqueous solution is more than 11, and the mass concentration of the metal ion compound is less than 0.9 wt%;
(2) and uniformly mixing the prepared alkaline electrolytic aqueous solution and glycerol according to the mass ratio of 5: 1-50: 1 to obtain the composition.
14. Use of a non-surfactant based composition with cleaning function, characterized in that the non-surfactant based composition with cleaning function according to any of claims 1 to 6 is used as an active substance in household detergents, food contact detergents and/or industrial detergents.
15. Use according to claim 14, wherein the non-surfactant based composition with cleaning function according to any one of claims 1 to 6 is used for any one or a combination of at least two of oil stain cleaning, cleaning and rust prevention treatment of stainless steel and ferrous objects, sterilization of household goods and toys, formaldehyde removal, toilet odor removal and kitchen waste malodor removal.
16. Use according to claim 14, wherein the non-surfactant based composition with cleaning function according to any one of claims 1 to 6 is used for removing pesticide residues and/or hydrolyzing animal and plant residues and animal and plant fibers on the surfaces of vegetables and fruits.
17. A food contact detergent comprising a non-surfactant based composition having a cleaning function according to any of claims 1 to 6.
18. The food contact detergent according to claim 17, wherein the non-surfactant based composition having a cleansing function according to any one of claims 1 to 6 comprises a detergent in a proportion of 80% or more.
19. The food contact detergent of claim 17, further comprising a saponin.
20. An industrial detergent comprising the non-surfactant based composition having a cleaning function according to any one of claims 1 to 6.
21. The industrial detergent according to claim 20, wherein the non-surfactant based composition having a cleaning function according to any one of claims 1 to 6 is contained in the industrial detergent in an amount of 80% or more by weight of the detergent.
22. The industrial detergent of claim 20, further comprising saponin powder and/or disodium bicarbonate.
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| CN107881019B (en) * | 2017-11-02 | 2021-01-29 | 上海新阳半导体材料股份有限公司 | Low-alkalinity environment-friendly solution for removing flash through electrolysis, and preparation method and application thereof |
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| JP2000073091A (en) * | 1998-08-28 | 2000-03-07 | Lion Corp | Detergent |
| CN1289361A (en) * | 1998-10-05 | 2001-03-28 | 水株式会社 | Method and apparatus for producing cleaning agent |
| CN101208158A (en) * | 2005-05-03 | 2008-06-25 | 胡安·霍恩 | Method for cleaning, sterilising and disinfecting dishes and other kitchen utensils and cleaning device |
| CN106467875A (en) * | 2016-09-30 | 2017-03-01 | 芜湖豫新世通汽车空调有限公司 | Air-conditioning fan detergent and preparation method thereof |
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