CN116158434A - Unitary peracetic acid disinfectant and preparation method thereof - Google Patents
Unitary peracetic acid disinfectant and preparation method thereof Download PDFInfo
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- CN116158434A CN116158434A CN202310182868.7A CN202310182868A CN116158434A CN 116158434 A CN116158434 A CN 116158434A CN 202310182868 A CN202310182868 A CN 202310182868A CN 116158434 A CN116158434 A CN 116158434A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
- A01N37/16—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing the group; Thio analogues thereof
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/02—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing liquids as carriers, diluents or solvents
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/22—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing ingredients stabilising the active ingredients
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01P—BIOCIDAL, PEST REPELLANT, PEST ATTRACTANT OR PLANT GROWTH REGULATORY ACTIVITY OF CHEMICAL COMPOUNDS OR PREPARATIONS
- A01P1/00—Disinfectants; Antimicrobial compounds or mixtures thereof
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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Abstract
The invention belongs to the technical field of disinfectant, and particularly relates to unitary peroxyacetic acid disinfectant and a preparation method thereof; the glacial acetic acid, the hydrogen peroxide and the concentrated sulfuric acid are mixed according to a certain proportion and stirred uniformly, the mixture is placed at room temperature for 24 hours to prepare a peroxyacetic acid stock solution, the content and the PH value of the peroxyacetic acid are measured before use, the peroxyacetic acid stock solution is used for preparing a unitary stable peroxyacetic acid disinfectant according to the content of the peroxyacetic acid, the peroxyacetic acid stock solution is diluted by 35 percent hydrogen peroxide according to the content of the peroxyacetic acid in the hydrogen peroxide stock solution, the concentration of the peroxyacetic acid reaches 5 percent to 6 percent, the concentration of the hydrogen peroxide is about 20 percent to 30 percent, a corrosion inhibitor and a stabilizer are added under stirring, and the mixture is stirred for 30 minutes to prepare the unitary peroxyacetic acid disinfectant. The invention is based on the international latest level, adds corrosion inhibitor and thickener to reduce damage to the surface of the object and improve disinfection efficiency and stability, and has the characteristics of low metal corrosion, low volatilization, low stimulation, simple preparation process, convenient operation and easy industrialized production.
Description
Technical Field
The invention belongs to the technical field of disinfectant, and particularly relates to unitary peroxyacetic acid disinfectant and a preparation method thereof.
Background
The peracetic acid solution is an oxidizing green ecological bactericide, and compared with the traditional disinfectant, the peracetic acid is a novel sporicide, and the solution generally consists of peracetic acid, hydrogen peroxide and acetic acid, and the active ingredients of the peracetic acid are mainly peracetic acid. It destroys the outer cell membrane and cell wall of microorganism by oxidation, destroys the enzyme system, inactivates microorganism, and the peracetic acid can permeate the polypeptide shell of spore, destroy macromolecules in spore, such as saccharide, nucleic acid, lipid, etc., and finally causes cell lysis and death.
The existing peroxyacetic acid varieties sold in the market are two types, one type is binary, the product is divided into A, B two components, the A liquid is glacial acetic acid and sulfuric acid, the B liquid is hydrogen peroxide, the components A, B are mixed according to a certain proportion before use, the mixed components react to generate peroxyacetic acid solution, the peroxyacetic acid solution is placed for 24 to 48 hours and diluted into the required concentration for use, but the concentration of the peroxyacetic acid after mixing is fast to drop, and the drop trend is accelerated along with the increase of the concentration of the peroxyacetic acid, so that in practical application, the peroxyacetic acid can only be prepared according to the required amount of the peroxyacetic acid, great inconvenience is brought to use, and the application of the peroxyacetic acid is limited. The other type is the unitary peracetic acid, which overcomes the defects of poor stability, field configuration and professional operation of the binary peracetic acid, but the use is still inconvenient, the large-scale marketization is not possible, the active substances, especially the peracetic acid, are easy to decompose, the shelf life is generally from 3 months to 1 year, the product is often unstable and the disinfection effect is reduced, and the improvement of the stability is always a great technical problem in the disinfection industry.
Disclosure of Invention
To solve the problems set forth in the background art. The invention provides a unitary peroxyacetic acid disinfectant and a preparation method thereof.
In order to achieve the above purpose, the present invention provides the following technical solutions: the unitary peracetic acid disinfectant consists of the following raw materials in percentage by weight: hydrogen peroxide 20-30%, glacial acetic acid 47%, concentrated hydrochloric acid 3%, corrosion inhibitor 0.5%, stabilizer 0.05-0.3%, and water the rest.
Preferably, the stabilizer is one of Acusol-882 and Acusol-800.
Preferably, the corrosion inhibitor is one of hydroxyethylidene diphosphonic acid, diethylenetriamine penta-methylene phosphonic acid, and ethylenediamine tetra-methylene phosphonic acid.
Preferably, the preparation method of the unitary peracetic acid disinfectant comprises the following steps:
s1, subpackaging 1000ml of 35% hydrogen peroxide into a bottle A for standby;
s2, adding 940ml of glacial acetic acid into the bottle B, and slowly adding 60ml of sulfuric acid for standby:
s3, when in use, the solution 1 in the packaging A and the packaging B is prepared by the following steps: 1, uniformly mixing, standing at room temperature for 24 hours to prepare a peroxyacetic acid stock solution, measuring the content and the PH value of the peroxyacetic acid before use, and preparing a unitary stable peroxyacetic acid disinfectant according to the content of the peroxyacetic acid;
s4, diluting the peroxyacetic acid stock solution by using 35% hydrogen peroxide according to the content of the peroxyacetic acid in the hydrogen peroxide stock solution, so that the concentration of the peroxyacetic acid reaches 5% -6%, the concentration of the hydrogen peroxide is about 20% -30%, adding a corrosion inhibitor and a stabilizer under stirring, wherein the concentration of the corrosion inhibitor is 0.5%, the concentration of the stabilizer is 0.05% -0.1%, and continuing stirring for 30min to prepare the unitary peroxyacetic acid disinfectant.
Compared with the prior art, the invention has the beneficial effects that:
the unitary peracetic acid disinfectant liquid prepared by the invention is stable, has extremely strong effect of killing microorganisms, has the characteristics of small metal corrosion, low volatilization and low stimulation, solves the defect that the application of the conventional peracetic acid needs to be prepared, prolongs the storage time from half a year to one year, and has creativity.
Detailed Description
The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
The invention provides the following technical scheme: the unitary peracetic acid disinfectant consists of the following raw materials in percentage by weight: hydrogen peroxide 20-30%, glacial acetic acid 47%, concentrated hydrochloric acid 3%, hydroxyethylidene diphosphonic acid 0.5%, acusol-882 concentration 0.1%, and water in balance.
Specifically, the preparation method of the unitary peracetic acid disinfectant comprises the following steps:
s1, subpackaging 1000ml of 35% hydrogen peroxide into a bottle A for standby;
s2, firstly adding 940ml of glacial acetic acid into the bottle B, and then slowly adding 60ml of sulfuric acid for standby;
s3, when in use, the solution 1 in the bottle A and the bottle B is prepared by the following steps: 1, uniformly mixing, standing at room temperature for 24 hours to prepare a peroxyacetic acid stock solution, measuring the content and the PH value of the peroxyacetic acid before use, and preparing a unitary stable peroxyacetic acid disinfectant according to the content of the peroxyacetic acid;
s4, diluting the peroxyacetic acid stock solution by using 35% hydrogen peroxide according to the content of the peroxyacetic acid in the hydrogen peroxide stock solution, so that the concentration of the peroxyacetic acid reaches 5% -6%, and the concentration of the hydrogen peroxide is about 20% -30%. Adding hydroxy ethylidene diphosphonic acid and Acusol-882 under stirring to obtain hydroxy ethylidene diphosphonic acid with concentration of 0.5% and Acusol-882 with concentration of 0.1%, and stirring for 30min to obtain unitary peroxyacetic acid disinfectant.
Example 2
The unitary peracetic acid disinfectant consists of the following raw materials in percentage by weight: hydrogen peroxide 20-30%, glacial acetic acid 47%, concentrated hydrochloric acid 3%, diethylenetriamine penta-methylene phosphonic acid 0.5%, acusol-800 concentration 0.15%, and water in balance.
Specifically, the preparation method of the unitary peracetic acid disinfectant comprises the following steps:
s1, subpackaging 1000ml of 35% hydrogen peroxide into a bottle A for standby;
s2, firstly adding 940ml of glacial acetic acid into the bottle B, and then slowly adding 60ml of sulfuric acid for standby;
s3, when in use, the solution 1 in the bottle A and the bottle B is prepared by the following steps: 1, uniformly mixing, standing at room temperature for 24 hours to prepare a peroxyacetic acid stock solution, measuring the content and the PH value of the peroxyacetic acid before use, and preparing a unitary stable peroxyacetic acid disinfectant according to the content of the peroxyacetic acid;
s4, diluting the peroxyacetic acid stock solution by using 35% hydrogen peroxide according to the content of the peroxyacetic acid in the hydrogen peroxide stock solution, so that the concentration of the peroxyacetic acid reaches 5% -6%, and the concentration of the hydrogen peroxide is about 20% -30%. Under stirring, diethylenetriamine penta (methylene phosphonic acid) and Acusol-800 are added, the concentration of the diethylenetriamine penta (methylene phosphonic acid) is 0.5%, the concentration of the Acusol-800 is 0.15%, and stirring is continued for 30min, so that the unitary peracetic acid disinfectant is prepared.
Example 3
The unitary peracetic acid disinfectant consists of the following raw materials in percentage by weight: hydrogen peroxide 20-30%, glacial acetic acid 47%, concentrated hydrochloric acid 3%, ethylenediamine tetramethylene phosphonic acid 0.5%, acusol-882 concentration 0.3%, and water in balance.
The preparation method of the unitary peracetic acid disinfectant comprises the following steps:
s1, subpackaging 1000ml of 35% hydrogen peroxide into a bottle A for standby;
s2, firstly adding 940ml of glacial acetic acid into the bottle B, and then slowly adding 60ml of sulfuric acid for standby;
s3, when in use, the solution 1 in the bottle A and the bottle B is prepared by the following steps: 1, uniformly mixing, standing at room temperature for 24 hours to prepare a peroxyacetic acid stock solution, measuring the content and the PH value of the peroxyacetic acid before use, and preparing a unitary stable peroxyacetic acid disinfectant according to the content of the peroxyacetic acid;
s4, diluting the peroxyacetic acid stock solution by using 35% hydrogen peroxide according to the content of the peroxyacetic acid in the hydrogen peroxide stock solution, so that the concentration of the peroxyacetic acid reaches 5% -6%, and the concentration of the hydrogen peroxide is about 20% -30%. Under stirring, adding corrosion inhibitor and stabilizer, wherein the concentration of ethylenediamine tetramethylene phosphonic acid is 0.5%, and the concentration of Acusol-882 is 0.3%, and stirring for 30min to obtain unitary peracetic acid disinfectant.
First) stock solution stability test
Comparative examples 1-5 were set up in which:
comparative example 1 is substantially the same as example 1 except that comparative example 1 does not contain hydroxyethylidene bisphosphonic acid, whereas example 1 employs hydroxyethylidene bisphosphonic acid, the remainder being the same;
comparative example 2 is substantially the same as example 2 except that comparative example 2 does not contain diethylenetriamine penta-methylene phosphonic acid, whereas example 2 uses diethylenetriamine penta-methylene phosphonic acid, the remainder being the same;
comparative example 3 is substantially the same as example 3 except that comparative example 3 does not contain ethylenediamine tetramethylene phosphonic acid, whereas example 3 employs ethylenediamine tetramethylene phosphonic acid, the remainder being the same;
comparative example 4 is substantially the same as example 1 except that comparative example 4 does not contain Acusol-882, whereas example 1 employs Acusol-882, the remainder being the same;
comparative example 5 is substantially the same as example 2 except that comparative example 4 does not contain Acusol-800, whereas example 2 employs Acusol-800, the remainder being the same;
examples 1 to 3 and comparative examples 1 to 5 were simultaneously stored at 54℃for 14 days, and the change in the content of peracetic acid was measured by the method described in the "sterilization technical Specification", and repeated 2 times (test environment: 22.6℃and relative humidity: 47%) in total, and the test results were shown in the following table:
the results show that the reduction rate of the sterilizing effective components of the examples 1-3 and the comparative examples 1-3 after the unitary peroxyacetic acid disinfectant is stored in a constant temperature cabinet at 54 ℃ for 14d is less than or equal to 10%, the content of the effective components is between 5% and 6% before and after the storage, and the effective period can be as long as 1 year; the significantly higher rate of decrease in the peracetic acid content in comparative examples 4-5 compared to the examples demonstrates that Acusol-882/Acusol-800 has a synergistic effect on the stability of peracetic acid.
Two) pH value
The pH values of examples 1 to 3 and comparative examples 1 to 3 were measured according to the method of "sterilizing technical Specification" (2002 edition) and repeated 2 times in total (measurement environment: 22.3 ℃ C., relative humidity: 44%), and the measurement results are shown in the following table:
the results show that the pH values of the examples and the comparative examples of the present invention are between 0.5 and 2, indicating that the pH of the peroxyacetic acid is not greatly affected by the hydroxyethylidene diphosphonic acid/diethylenetriamine pentamethylenephosphonic acid/ethylenediamine tetramethylenephosphonic acid/Acusol-882/Acusol-800.
(III) Corrosion of metals
Examples 1-3 and comparative examples 1-5 were subjected to metal corrosion experiments according to the method of the disinfection technical Specification (2002 edition), the metal sheets were selected from stainless steel, carbon steel, copper and aluminum, the metal sheets were immersed in a disinfectant for 72 hours, the metal corrosion rates were calculated and the corrosion was rated, and the detection results are shown in the following table:
the results show that examples 1-3 and comparative examples 4-5 of the present invention are more resistant to metal corrosion than peracetic acid in comparative examples 1-3, wherein copper corrosion is more pronounced, probably because the absence of hydroxyethylidene diphosphonic acid/diethylenetriamine penta-methylene phosphonic acid/ethylenediamine tetra-methylene phosphonic acid in comparative examples 1-3 does not improve metal corrosion resistance.
Fourth) test of Sterilization Effect
Examples 1-3 and comparative examples 1-3 were carried out according to the "sterilizing technical Specification" (2002) edition of the Ministry of health of the people's republic of China, and the test results of killing Escherichia coli, staphylococcus aureus, aspergillus niger and Bacillus subtilis black variety ATCC 9372 (test environment: 23.5 ℃ C., relative humidity: 45%) were shown in the following table:
the results show that the killing rate of the comparative examples 1-5 in the examples 1-3 is high and obvious.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. Unitary peracetic acid disinfectant, its characterized in that: the material consists of the following raw materials in percentage by weight: hydrogen peroxide 20-30%, glacial acetic acid 47%, concentrated hydrochloric acid 3%, corrosion inhibitor 0.5%, stabilizer 0.05-0.3%, and water the rest.
2. The unitary peroxyacetic acid sanitizing liquid of claim 1, wherein: the stabilizer is one of Acusol-882 and Acusol-800.
3. The unitary peroxyacetic acid sanitizing liquid of claim 1, wherein: the corrosion inhibitor is one of hydroxyethylidene diphosphonic acid, diethylenetriamine penta-methylene phosphonic acid and ethylenediamine tetra-methylene phosphonic acid.
4. The method for preparing the unitary peracetic acid disinfectant according to claim 1, comprising the following steps:
s1, subpackaging 1000ml of 35% hydrogen peroxide into a bottle A for standby;
s2, adding 940ml of glacial acetic acid into the bottle B, and slowly adding 60ml of sulfuric acid for standby:
s3, when in use, the solution 1 in the packaging A and the packaging B is prepared by the following steps: 1, uniformly mixing, standing at room temperature for 24 hours to prepare a peroxyacetic acid stock solution, measuring the content and the PH value of the peroxyacetic acid before use, and preparing a unitary stable peroxyacetic acid disinfectant according to the content of the peroxyacetic acid;
s4, diluting the peroxyacetic acid stock solution by using 35% hydrogen peroxide according to the content of the peroxyacetic acid in the hydrogen peroxide stock solution, so that the concentration of the peroxyacetic acid reaches 5% -6%, the concentration of the hydrogen peroxide is about 20% -30%, adding a corrosion inhibitor and a stabilizer under stirring, wherein the concentration of the corrosion inhibitor is 0.5%, the concentration of the stabilizer is 0.05% -0.1%, and continuing stirring for 30min to prepare the unitary peroxyacetic acid disinfectant.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310182868.7A CN116158434A (en) | 2023-03-01 | 2023-03-01 | Unitary peracetic acid disinfectant and preparation method thereof |
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| CN202310182868.7A CN116158434A (en) | 2023-03-01 | 2023-03-01 | Unitary peracetic acid disinfectant and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115669662A (en) * | 2022-11-21 | 2023-02-03 | 成都科宏达科技有限公司 | Low-irritation stable monoperoxyacetic acid disinfectant and preparation method thereof |
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2023
- 2023-03-01 CN CN202310182868.7A patent/CN116158434A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115669662A (en) * | 2022-11-21 | 2023-02-03 | 成都科宏达科技有限公司 | Low-irritation stable monoperoxyacetic acid disinfectant and preparation method thereof |
| CN115669662B (en) * | 2022-11-21 | 2024-04-30 | 成都科宏达科技有限公司 | Low-irritation-stability unitary peroxyacetic acid disinfectant and preparation method thereof |
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