CN114145296A - Peroxyacetic acid liquid generating agent and using method thereof - Google Patents
Peroxyacetic acid liquid generating agent and using method thereof Download PDFInfo
- Publication number
- CN114145296A CN114145296A CN202111554651.1A CN202111554651A CN114145296A CN 114145296 A CN114145296 A CN 114145296A CN 202111554651 A CN202111554651 A CN 202111554651A CN 114145296 A CN114145296 A CN 114145296A
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- Prior art keywords
- peroxyacetic acid
- corrosion inhibitor
- hydrogen peroxide
- acetyl
- activator
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Classifications
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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
-
- 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
-
- 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
Abstract
The invention belongs to the field of sterilization disinfectants, and relates to a peracetic acid liquid generating agent and a preparation method thereof. The preparation raw materials of the peroxyacetic acid liquid generating agent comprise: aqueous hydrogen peroxide, an N-acetyl activator, a cosolvent, and a corrosion inhibitor. The preparation method comprises the following steps: and (3) uniformly mixing the contents of the binary package to obtain a peroxyacetic acid solution. The invention adopts binary package, and has the advantages of long storage time and convenient preparation; the N-acetyl activator is a liquid preparation, is added with a cosolvent for rapid dissolution, and can generate a peroxyacetic acid solution with the concentration of 2000-3000mg/L within 5-10 minutes; the peroxyacetic acid solution prepared by the method has the advantages of nearly neutral pH value, low corrosivity, small smell and good stability, can be continuously used for 14 days, and is suitable for disinfection and sterilization of medical instruments.
Description
The application is a divisional application with application date of 2020, 12 and 24, application number of 202011572711.8, and title of "a peroxyacetic acid liquid generating agent and its preparation method".
Technical Field
The invention belongs to the technical field of sterilization disinfectants, and particularly relates to a peracetic acid liquid generating agent and a using method thereof.
Background
Peroxyacetic acid (CH)3COOOH), also known as peracetic acid, is a colorless, transparent liquid, also a strong oxidizing agent. Peracetic acid is easily decomposed during storage. Peroxyacetic acid is a broad-spectrum, high-efficiency and pollution-free medicament with sterilization, disinfection and bleaching functions, and can kill bacterial propagules, various viruses and bacterial spores. The peroxyacetic acid solution with the concentration of 1% is enough to kill spores, fungal spores and enteroviruses with strong resistance in medicine, and the peroxyacetic acid solution with the concentration of 0.04-0.5% can be used for various preventive disinfections.
At present, the methods for preparing peroxyacetic acid comprise the following methods according to the substance forms:
1. the industrial synthesis method of the peroxyacetic acid solution comprises the following steps: the method comprises acetic acid oxidation synthesis, acetaldehyde oxidation preparation and the like, and the methods have simple production equipment and low cost. However, the peracetic acid solution is easy to decompose at normal temperature, the storage time is only 2-3 months generally, and the peracetic acid solution needs to be stored at low temperature and is inconvenient to transport.
2. Binary packaged peroxyacetic acid liquid generating agent: the method is to respectively package acetic acid and hydrogen peroxide for preparing peroxyacetic acid, mix the acetic acid and the hydrogen peroxide for preparing the peroxyacetic acid when in use, and add water to dilute the peroxyacetic acid to the required concentration. The peroxyacetic acid prepared by adopting binary packaging can be used after being placed for 24 hours. The peroxyacetic acid solution prepared by the two methods contains acetic acid, and has low pH value, strong corrosivity and strong pungent smell.
3. Chinese patent CN1128257A discloses a preparation method of a solid medicament of peroxyacetic acid. The method comprises mixing N, N, N ', N' -Tetraacetylethylenediamine (TAED) subjected to film coating treatment and sodium perborate subjected to film coating treatment according to a certain molar ratio, dissolving the mixed solid in a certain amount of normal temperature water to prepare peroxyacetic acid, and adding water to dilute and prepare peroxyacetic acid with various concentrations. Although the solid medicine solves the problems of difficult storage, transportation and use, the solid medicine has poor solubility and slow reaction for preparing peroxyacetic acid.
Therefore, it is an urgent need in the market to produce a peracetic acid preparation suitable for medical devices, which has a long storage time, a quick and convenient preparation, a neutral pH value, low corrosiveness, low irritation, good solubility and a long service time.
Disclosure of Invention
The invention aims to provide a peroxyacetic acid liquid generating agent and a using method thereof. The peroxyacetic acid solution prepared by the method is more stable, better in solubility, lower in corrosivity and smaller in smell.
The invention provides a peroxyacetic acid liquid generating agent, which comprises the following preparation raw materials:
aqueous hydrogen peroxide, an N-acetyl activator, a cosolvent and a corrosion inhibitor;
the aqueous hydrogen peroxide solution and the N-acetyl activator are independently packaged;
the corrosion inhibitor is added into aqueous hydrogen peroxide, and the cosolvent is added into acetyl caprolactam or the aqueous hydrogen peroxide;
in the aqueous hydrogen peroxide solution, the mass percentage of hydrogen peroxide is 0.2-5%;
the N-acetyl activator is N-acetyl caprolactam;
the cosolvent is at least one of sodium dodecyl benzene sulfonate, sodium dodecyl sulfate and fatty alcohol-polyoxyethylene ether sulfate;
the corrosion inhibitor is at least one of a phosphate corrosion inhibitor, a phosphite corrosion inhibitor, a tripolyphosphate corrosion inhibitor, a bicarbonate corrosion inhibitor and a bisulfate corrosion inhibitor;
the phosphate is at least one of potassium phosphate, ammonium phosphate and sodium phosphate;
the phosphite is at least one of potassium phosphite, ammonium phosphite and sodium phosphite;
the tripolyphosphate is at least one of sodium tripolyphosphate and potassium tripolyphosphate;
the bicarbonate is at least one of sodium bicarbonate and potassium bicarbonate;
the hydrogen sulfonate is at least one of sodium hydrogen sulfonate and potassium hydrogen sulfonate.
The dosage ratio of the hydrogen peroxide to the N-acetyl activator to the cosolvent to the corrosion inhibitor is (50-150) mL: (45-90) mL: 0.02 g: 10 g.
Preferably, the dosage ratio of the hydrogen peroxide, the N-acetyl activator, the cosolvent and the corrosion inhibitor is 150 mL: 45mL of: 0.02 g: 10 g.
Preferably, the dosage ratio of the hydrogen peroxide, the N-acetyl activator, the cosolvent and the corrosion inhibitor is 150 mL: 90mL of: 0.02 g: 10 g.
Preferably, the dosage ratio of the hydrogen peroxide, the N-acetyl activator, the cosolvent and the corrosion inhibitor is 50 mL: 45mL of: 0.02 g: 10 g.
The invention also provides a using method of the peroxyacetic acid liquid generating agent, which comprises the following steps:
and (3) uniformly mixing the contents in the binary package to obtain a peroxyacetic acid solution.
Preferably, the time for blending is 5-60 minutes.
Preferably, the time for blending is 5-10 minutes, and most preferably 10 minutes.
The liquid generating agent prepared by the invention is a binary package, acetyl caprolactam and aqueous hydrogen peroxide are respectively packaged, and the cosolvent can be added into the acetyl caprolactam or the aqueous hydrogen peroxide. The corrosion inhibitor is added into the aqueous hydrogen peroxide solution.
The liquid generating agent for preparing peroxyacetic acid of the invention reduces the surface tension of acetyl caprolactam in water due to the addition of the cosolvent, and is fast dissolved, thereby accelerating the preparation speed of the peroxyacetic acid and being beneficial to maintaining the effective components of the peroxyacetic acid in the prepared solution. Meanwhile, the binary packaging ensures that the storage period is as long as two years, and the peroxyacetic acid is prepared quickly and conveniently. The corrosion inhibitor is added into the system, so that the corrosion effect of the peracetic acid solution on various metals can be reduced, the pH value of the solution is increased, the smell is reduced, and the system is suitable for disinfection and sterilization of medical instruments.
Compared with the prior art, the invention uses liquid N-acetyl caprolactam to replace solid tetraacetylethylenediamine as the N-acetyl activator, and uses sodium dodecyl benzene sulfonate or sodium dodecyl sulfonate as the cosolvent, thereby increasing the solubility and improving the preparation speed of the peroxyacetic acid. The corrosion inhibitor is added, the corrosivity is lower, the system is more stable, the concentration of the prepared peroxyacetic acid is 2000-3000mg/L, the peroxyacetic acid can be continuously used for 14 days, and the method is suitable for disinfection and sterilization of medical instruments.
Detailed Description
The present invention will be further illustrated with reference to the following specific examples, but the present invention is not limited to the following examples. The method is a conventional method unless otherwise specified. The starting materials are commercially available from the open literature unless otherwise specified.
Example 1
300mL of hydrogen peroxide with the purity of 50%, 4700mL of purified water, 0.02g of sodium dodecyl benzene sulfonate and 10g of dipotassium hydrogen phosphate or disodium hydrogen phosphate are added to obtain a first mixed reagent. 45mL of acetyl caprolactam with the purity of more than or equal to 98 percent is used as a second reagent. The liquid is divided into binary packages.
Example 2
300mL of hydrogen peroxide with the purity of 50%, 4700mL of purified water, 0.02g of sodium dodecyl benzene sulfonate and 10g of dipotassium hydrogen phosphate or disodium hydrogen phosphate are added to obtain a first mixed reagent. 60mL of acetyl caprolactam with the purity of more than or equal to 98 percent is taken as a second reagent. The liquid is divided into binary packages.
Example 3
300mL of hydrogen peroxide with the purity of 50%, 4700mL of purified water, 0.02g of sodium dodecyl benzene sulfonate and 10g of dipotassium hydrogen phosphate or disodium hydrogen phosphate are added to obtain a first mixed reagent. 90mL of acetyl caprolactam with the purity of more than or equal to 98 percent is taken as a second reagent. The liquid is divided into binary packages.
Example 4
100mL of hydrogen peroxide with the purity of 50%, 4900mL of purified water, 0.02g of sodium dodecyl benzene sulfonate and 10g of dipotassium hydrogen phosphate or disodium hydrogen phosphate are added to obtain a first mixed reagent. 45mL of acetyl caprolactam with the purity of more than or equal to 98 percent is used as a second reagent. The liquid is divided into binary packages.
Example 5
100mL of hydrogen peroxide with the purity of 50%, 4900mL of purified water, 0.02g of sodium dodecyl benzene sulfonate and 10g of dipotassium hydrogen phosphate or disodium hydrogen phosphate are added to obtain a first mixed reagent. 60mL of acetyl caprolactam with the purity of more than or equal to 98 percent is taken as a second reagent. The liquid is divided into binary packages.
Example 6
100mL of hydrogen peroxide with the purity of 50%, 4900mL of purified water, 0.02g of sodium dodecyl benzene sulfonate and 10g of dipotassium hydrogen phosphate or disodium hydrogen phosphate are added to obtain a first mixed reagent. 90mL of acetyl caprolactam with the purity of more than or equal to 98 percent is taken as a second reagent. The liquid is divided into binary packages.
The following experiments were carried out on the peracetic acid liquid generators prepared in the examples of the present invention:
1. peroxyacetic acid concentration and liquid ingredient stability observations
The effective concentration of peroxyacetic acid and the stability of the product were determined according to the requirements of the disinfection product inspection specifications, 2002 edition "disinfection specifications".
The liquid binary package formulation of example 1 was mixed well for 10min to obtain a concentration of 2480mg/L peroxyacetic acid.
The liquid binary packages of example 1 were placed in reagent bottles, respectively, and placed in an incubator at 37 ℃ for 3 months for accelerated testing. As a result, after the formula liquid chemical substance is subjected to accelerated experiments, the concentration of the peroxyacetic acid is reduced by 0.54 percent on average compared with the content of the peroxyacetic acid generated by the liquid chemical substance under the condition of room temperature storage. Therefore, the formulation can be stored stably for two years at normal temperature.
2. Microbiological kill test
The experiment was carried out according to 2002 edition "Disinfection technical Specification".
The method adopts a suspension quantitative sterilization test, and the peroxyacetic acid solution generated in the example 1 acts on the black variety spores of the bacillus subtilis for 5min, and the killing rate can reach 100 percent.
3. Corrosion test of metals
The peracetic acid solution produced in example 1 above was found to be essentially non-corrosive to stainless steel, aluminum, and carbon steel, and slightly corrosive to copper, as measured by the 2002 edition of "Disinfection specifications".
4. Observation of stability of Peroxyacetic acid concentration after Peroxyacetic acid production
The liquid binary packaging formulation of example 1 above was mixed for 10min and the concentration was measured to be 2480mg/L, and then the change in concentration was observed for 14 days continuously. By continuous observation, the concentration of peracetic acid on day 14 was 1400 mg/L.
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 (7)
1. A peroxyacetic acid liquid generating agent is a binary package, and is characterized in that the preparation raw materials of the peroxyacetic acid liquid generating agent comprise:
aqueous hydrogen peroxide, an N-acetyl activator, a cosolvent and a corrosion inhibitor;
the aqueous hydrogen peroxide solution and the N-acetyl activator are independently packaged;
the corrosion inhibitor is added into aqueous hydrogen peroxide, and the cosolvent is added into acetyl caprolactam or the aqueous hydrogen peroxide;
in the aqueous hydrogen peroxide solution, the mass percentage of hydrogen peroxide is 0.2-5%;
the N-acetyl activator is N-acetyl caprolactam;
the cosolvent is at least one of sodium dodecyl benzene sulfonate, sodium dodecyl sulfate and fatty alcohol-polyoxyethylene ether sulfate;
the corrosion inhibitor is at least one of a phosphate corrosion inhibitor, a phosphite corrosion inhibitor, a tripolyphosphate corrosion inhibitor, a bicarbonate corrosion inhibitor and a bisulfate corrosion inhibitor;
the phosphate is at least one of potassium phosphate, ammonium phosphate and sodium phosphate;
the phosphite is at least one of potassium phosphite, ammonium phosphite and sodium phosphite;
the tripolyphosphate is at least one of sodium tripolyphosphate and potassium tripolyphosphate;
the bicarbonate is at least one of sodium bicarbonate and potassium bicarbonate;
the hydrogen sulfonate is at least one of sodium hydrogen sulfonate and potassium hydrogen sulfonate;
the dosage ratio of the aqueous hydrogen peroxide solution to the N-acetyl activator to the cosolvent to the corrosion inhibitor is (50-150) mL: (45-90) mL: 0.02 g: 10 g.
2. A peroxyacetic acid liquid generator of any of claim 1 wherein the aqueous hydrogen peroxide solution, the N-acetyl activator, the co-solvent, and the corrosion inhibitor are present in a ratio of 150 mL: 45mL of: 0.02 g: 10 g.
3. A peroxyacetic acid liquid generator of any of claim 1 wherein the hydrogen peroxide, N-acetyl activator, co-solvent, and corrosion inhibitor are used in a ratio of 150 mL: 90mL of: 0.02 g: 10 g.
4. A peroxyacetic acid liquid generator of any of claim 1 wherein the hydrogen peroxide, N-acetyl activator, co-solvent, and corrosion inhibitor are present in a 50 mL: 45mL of: 0.02 g: 10 g.
5. A method of using the liquid generator of peroxyacetic acid of any of claims 1 to 4, comprising the steps of:
and (3) uniformly mixing the contents in the binary package to obtain a peroxyacetic acid solution.
6. Use according to claim 5, characterized in that: the time for mixing is 5-60 minutes.
7. Use according to claim 6, characterized in that: the time for uniformly mixing is 5-10 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111554651.1A CN114145296A (en) | 2020-12-24 | 2020-12-24 | Peroxyacetic acid liquid generating agent and using method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011572711.8A CN112674094A (en) | 2020-12-24 | 2020-12-24 | Peroxyacetic acid liquid generating agent and preparation method thereof |
| CN202111554651.1A CN114145296A (en) | 2020-12-24 | 2020-12-24 | Peroxyacetic acid liquid generating agent and using method thereof |
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| CN202011572711.8A Division CN112674094A (en) | 2020-12-24 | 2020-12-24 | Peroxyacetic acid liquid generating agent and preparation method thereof |
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| CN202111554651.1A Pending CN114145296A (en) | 2020-12-24 | 2020-12-24 | Peroxyacetic acid liquid generating agent and using method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114831119A (en) * | 2022-05-18 | 2022-08-02 | 山东利尔康医疗科技股份有限公司 | Solid-liquid combined peroxyacetic acid disinfectant and preparation method thereof |
| CN115735922A (en) * | 2022-11-08 | 2023-03-07 | 北京化工大学 | Solid-liquid dual-dosage long-acting peracetic acid disinfectant capable of being rapidly generated on site |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114145297A (en) * | 2021-12-21 | 2022-03-08 | 上海朗彤环境科技发展有限公司 | Unitary peracetic acid sterilizing powder and preparation method thereof |
| CN114747575B (en) * | 2022-05-17 | 2024-03-26 | 山东新华莎罗雅生物技术有限公司 | Peracetic acid disinfectant and preparation method thereof |
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| CN102964285A (en) * | 2012-11-28 | 2013-03-13 | 北京红辉力上科技有限公司 | Peroxyacetic acid generator and preparation method thereof |
| CN105724381A (en) * | 2016-03-22 | 2016-07-06 | 山东威高药业股份有限公司 | Peroxyacetic acid sterilizing liquid |
| TWI681716B (en) * | 2017-05-22 | 2020-01-11 | 美商藝康美國公司 | Liquid acetyl radicals generator composition |
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| ITVR20020062A1 (en) * | 2002-06-03 | 2003-12-03 | Andrea Pretto | ESTEMPORANEOUS PREPARATION OF ORGANIC PERIOXYACIDS STABLE OVER TIME |
| WO2006016145A1 (en) * | 2004-08-12 | 2006-02-16 | Antec International Limited | A disinfectant formulation |
| IT1398126B1 (en) * | 2010-02-19 | 2013-02-07 | Myriel S R L | COMPOSITION AND PROCEDURE TO OBTAIN A PEROSXIACETIC ACID-BASED SOLUTION |
| CN102415380B (en) * | 2011-10-18 | 2014-05-07 | 中国人民解放军疾病预防控制所 | Low-corrosion peracetic acid solid generating agent as well as preparation method and application thereof |
| CN105899072A (en) * | 2013-11-11 | 2016-08-24 | 怀特利集团控股有限公司 | Disinfectant composition |
| CN111357761A (en) * | 2018-12-26 | 2020-07-03 | 哈尔滨三联药业股份有限公司 | Peroxyacetic acid disinfectant and application thereof |
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2020
- 2020-12-24 CN CN202011572711.8A patent/CN112674094A/en active Pending
- 2020-12-24 CN CN202111554651.1A patent/CN114145296A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102964285A (en) * | 2012-11-28 | 2013-03-13 | 北京红辉力上科技有限公司 | Peroxyacetic acid generator and preparation method thereof |
| CN105724381A (en) * | 2016-03-22 | 2016-07-06 | 山东威高药业股份有限公司 | Peroxyacetic acid sterilizing liquid |
| TWI681716B (en) * | 2017-05-22 | 2020-01-11 | 美商藝康美國公司 | Liquid acetyl radicals generator composition |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114831119A (en) * | 2022-05-18 | 2022-08-02 | 山东利尔康医疗科技股份有限公司 | Solid-liquid combined peroxyacetic acid disinfectant and preparation method thereof |
| CN115735922A (en) * | 2022-11-08 | 2023-03-07 | 北京化工大学 | Solid-liquid dual-dosage long-acting peracetic acid disinfectant capable of being rapidly generated on site |
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| CN112674094A (en) | 2021-04-20 |
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