CN111642512A - High-efficiency disinfectant and preparation method and use method thereof - Google Patents

High-efficiency disinfectant and preparation method and use method thereof Download PDF

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Publication number
CN111642512A
CN111642512A CN202010170030.2A CN202010170030A CN111642512A CN 111642512 A CN111642512 A CN 111642512A CN 202010170030 A CN202010170030 A CN 202010170030A CN 111642512 A CN111642512 A CN 111642512A
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parts
disinfectant
polar solvent
solvent
low volume
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Chinese (zh)
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杨玮丽
龚伯伙
王军安
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Tiantianxiangshang Ningbo Medical Technology Co ltd
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Tiantianxiangshang Ningbo Medical Technology Co ltd
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Priority to CN202010170030.2A priority Critical patent/CN111642512A/en
Publication of CN111642512A publication Critical patent/CN111642512A/en
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N47/00Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
    • A01N47/40Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having a double or triple bond to nitrogen, e.g. cyanates, cyanamides
    • A01N47/42Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having a double or triple bond to nitrogen, e.g. cyanates, cyanamides containing —N=CX2 groups, e.g. isothiourea
    • A01N47/44Guanidine; Derivatives thereof
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N25/00Biocides, 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
    • A01N25/02Biocides, 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
    • A01N25/04Dispersions, emulsions, suspoemulsions, suspension concentrates or gels
    • A01N25/06Aerosols
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/16Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using chemical substances
    • A61L2/22Phase substances, e.g. smokes, aerosols or sprayed or atomised substances
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00Disinfection, sterilisation or deodorisation of air
    • A61L9/14Disinfection, sterilisation or deodorisation of air using sprayed or atomised substances including air-liquid contact processes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2209/00Aspects relating to disinfection, sterilisation or deodorisation of air
    • A61L2209/20Method-related aspects
    • A61L2209/21Use of chemical compounds for treating air or the like

Abstract

The invention discloses a high-efficiency disinfectant, a preparation method and a use method thereof, wherein the disinfectant comprises the following raw materials in parts by weight: 0.5-2 parts of polyhexamethylene biguanide, 0.5-2 parts of organic alkali, 5-20 parts of solvent, 1-5 parts of nonionic surfactant, 2-15 parts of cationic surfactant and 50-200 parts of deionized water; the solvent comprises a polar solvent and a non-polar solvent, wherein the polar solvent is selected from one or more of methanol, ethanol, propanol, isopropanol, n-butanol and isobutanol, and the non-polar solvent is selected from one or more of toluene, xylene, trimethylbenzene, white oil, turpentine and rapeseed oil. The non-polar solvent is added into the disinfectant, so that the obtained disinfectant can be sprayed by ultra-low volume, low volume or ultra-low volume electrostatic spraying to obtain fog drops with the average particle size of less than 50 micrometers, and the work efficiency is improved while the disinfection effect is maintained or even improved.

Description

High-efficiency disinfectant and preparation method and use method thereof
Technical Field
The invention belongs to the technical field of disinfectants, and relates to a high-efficiency disinfectant, and a preparation method and a use method thereof.
Background
Polyhexamethylene biguanide (international common name: PHMB) is a safe, efficient and broad-spectrum polymer antimicrobial agent and is widely applied to the field of sanitation and disinfection.
When the existing disinfectant is used, an artificial spraying mode is basically adopted, the disinfectant is generally used after being diluted by 400 times, the particle size of fog drops obtained by spraying is large and is generally 100-400 microns, the fog drops cannot be dispersed basically, an area with a certain area needs to be covered completely, the disinfection is difficult in places with sanitary dead corners, and the disinfectant cannot be used in some places, particularly places with certain exposed circuits.
At present, ultra-low-volume spraying, low-volume spraying or ultra-low-volume electrostatic spraying equipment is available on the market, but a common disinfectant is an aqueous system, particularly polyhexamethylene biguanide is contained in the aqueous system, so that the disinfectant is difficult to atomize into droplets with small enough particle size and enough droplets, generally less than 100 micrometers are needed, and even if the droplets with small enough particle size are atomized, the droplets are easy to volatilize and generate drift, so that high-work-efficiency equipment such as the ultra-low-volume spraying, low-volume spraying or ultra-low-volume electrostatic spraying equipment is difficult to use in the field of disinfection. And as the existing disinfectant generally has no oily components, especially a nonpolar solvent, the surface tension of the fog drops of the disinfectant is large, and the fog drops are not easy to wet and spread on the target surface.
The invention provides a high-efficiency disinfectant, which is convenient to process, high in working efficiency, water-saving and capable of improving the utilization rate of the disinfectant, thereby reducing the application amount of the disinfectant.
Disclosure of Invention
The invention aims to provide a disinfectant with high work efficiency, the disinfectant can be sprayed by ultra-low volume, sprayed by low volume or sprayed by ultra-low volume static electricity, the dilution factor is reduced to be within 20 times when the disinfectant is used, so that the aim of high work efficiency is fulfilled, and the disinfectant can be wetted and spread on a target surface because the disinfectant contains a certain amount of non-polar solvent.
The technical scheme for realizing the aim of one aspect of the invention is as follows:
a high-efficiency disinfectant comprises the following raw materials in parts by weight: 0.5-2 parts of polyhexamethylene biguanide, 0.5-2 parts of organic alkali, 5-20 parts of solvent, 1-5 parts of nonionic surfactant, 2-15 parts of cationic surfactant and 50-200 parts of deionized water;
the solvent comprises a polar solvent and a non-polar solvent, wherein the polar solvent is selected from one or more of methanol, ethanol, propanol, isopropanol, n-butanol and isobutanol, and the non-polar solvent is selected from one or more of toluene, xylene, trimethylbenzene, white oil, turpentine and rapeseed oil.
Preferably, the organic base is selected from one or more of triethanolamine, choline, triethylamine, and ethylenediamine.
Preferably, the cationic surfactant is selected from one or more of tallow amine, fatty amine polyoxyethylene ether, fatty acid diethanol amide and triethanolamine oleic soap.
Preferably, the disinfectant further comprises an auxiliary active agent, wherein the auxiliary active agent is selected from one or more of polyquaternium, myristoyl propyl dimethylamine, hydrogen peroxide and chlorhexidine.
Further, the weight ratio of the auxiliary active agent to the polyhexamethylene biguanide is (1-5): (1-5).
The technical scheme for realizing the aim of the other aspect of the invention is as follows:
the preparation method of the disinfectant comprises the following steps: firstly, stirring and dissolving polyhexamethylene biguanide by using a solvent, or stirring and dissolving polyhexamethylene biguanide and an auxiliary active agent, then adding a nonionic surfactant and a cationic surfactant, finally adding deionized water, and fully stirring and uniformly mixing to obtain the disinfectant.
The technical scheme for realizing the aim of the other aspect of the invention is as follows:
the method for using the disinfectant is ultra-low volume spraying, low volume spraying or ultra-low volume electrostatic spraying.
Compared with the prior art, the invention has the following advantages:
1. through research on the polyhexamethylene biguanide-containing disinfectant as a main effective component, the inventor finds that the nonpolar solvent is added into the polyhexamethylene biguanide-containing disinfectant, so that the obtained disinfectant can be sprayed through ultralow volume, low volume or ultralow volume electrostatic spraying to obtain fog drops with the average particle size of less than 50 microns, and the work efficiency is improved while the disinfection effect is maintained or even improved.
2. Through atomizing antiseptic solution into the droplet that average particle size is less than 50 microns, make active ingredient can effectively reach the sanitary dead angle on the one hand, on the other hand, because small particle size aerosol has fine dispersion effect, in some confined spaces, for example disinfection such as chicken coop pig house, has better disinfection effect, also can keep away water to some, if disinfect in the more space of exposed circuit.
Detailed Description
The present invention is further illustrated by the following examples, which are not intended to limit the invention to these embodiments. It will be appreciated by those skilled in the art that the present invention encompasses all alternatives, modifications and equivalents as may be included within the scope of the claims.
In the present invention, the raw materials and equipment used are commercially available or commonly used in the art, unless otherwise specified. The methods in the following examples are conventional in the art unless otherwise specified.
In the present invention, the terms "first", "second", "third", "fourth", "fifth" and "sixth", etc. are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.
The present invention is described in detail below by way of examples, but the purpose and purpose of these examples are only to show the present invention, and the present invention is not limited to the actual scope of the present invention in any form, and the present invention is not limited to the scope of the present invention.
The invention atomizes the disinfectant containing polyhexamethylene biguanide into fog drops smaller than 50 microns, achieves effective disinfection effect, satisfies the comprehensive disinfection of places with sanitary dead corners, and effectively treats the sanitary dead corners in some semi-closed spaces such as chicken house and pig house due to small particle size and strong dispersion property, and simultaneously reduces water consumption, thereby saving labor and improving work efficiency.
Example 1
A high-efficiency disinfectant comprises the following raw materials in parts by weight: 0.5-2 parts of polyhexamethylene biguanide, 0.5-2 parts of organic alkali, 5-20 parts of solvent, 1-5 parts of nonionic surfactant, 2-15 parts of cationic surfactant and 50-200 parts of deionized water;
specifically, 0.5 part of polyhexamethylene biguanide, 0.5 part of organic base, 8 parts of solvent, 3 parts of nonionic surfactant, 8 parts of cationic surfactant and 80 parts of deionized water;
the solvent comprises a polar solvent and a nonpolar solvent, wherein the polar solvent is selected from one or more of methanol, ethanol, propanol, isopropanol, n-butanol and isobutanol, the nonpolar solvent is selected from one or more of toluene, xylene, trimethylbenzene, white oil, turpentine and rapeseed oil, specifically, the polar solvent is isopropanol, and the nonpolar solvent is trimethylbenzene;
the organic alkali is selected from one or more of triethanolamine, choline, triethylamine and ethylenediamine; the organic alkali is triethanolamine;
the cationic surfactant is selected from one or more of tallow amine, fatty amine polyoxyethylene ether, fatty acid diethanol amide and triethanolamine oleate soap;
the nonionic surfactant is specifically EO-PO type polyether; the cationic surfactant is fatty amine polyoxyethylene ether.
The preparation method of the disinfectant solution sample of this embodiment 1 includes the following steps: firstly stirring and dissolving polyhexamethylene biguanide by using a solvent, specifically, firstly stirring and dissolving polyhexamethylene biguanide by using a polar solvent, then adding a non-polar solvent and an organic base, then adding a non-ionic surfactant and a cationic surfactant, and finally adding deionized water, and fully stirring and uniformly mixing to obtain the disinfectant.
The method of using the disinfecting solution of embodiment 1 is ultra-low volume spraying, low volume spraying or ultra-low volume electrostatic spraying, and particularly is an ultra-low volume sprayer.
Effective disinfection of the target area is achieved primarily by ultra-low volume spraying, low volume spraying or ultra-low volume electrostatic spraying. The preferred method of applying the disinfectant of the present invention is ultra low volume spraying, followed by low volume spraying and ultra low volume electrostatic spraying, with the appropriate amount being determined based on the occurrence of the subject to be controlled.
The invention can be directly applied by an ultra-low volume spraying apparatus, a low volume spraying apparatus or an ultra-low volume electrostatic spraying apparatus by screening the solvent which has low volatility, high flash point, good compatibility with a disinfectant system, no toxicity to people and livestock and low viscosity, and can be used without adding water or with adding less water, wherein the water adding amount is less than 50 times. Because the droplets do not contain high-volatility components, the size and mass of the ultra-low volume spray are not obviously changed during the process of leaving the spray device and reaching the target, and volatilization and drift are reduced. The fog drops are fine and uniform, meet the requirement of 'biological optimal granules', and remarkably improve the deposition amount. The disinfectant is not required to be mixed with water for application, so that the disinfectant is suitable for disinfection operation in areas with water source shortage or certain water avoiding requirements, can be applied in a large range, and can greatly reduce the labor intensity of operators by ultra-low volume spraying.
The detection result of the droplet size shows that under the room temperature condition, the average diameter of the fog point generated by the disinfectant of the example 1 through an electric ultra-low volume sprayer system is about 30 micrometers, and the droplet size changes within 15% after one hour; therefore, the mist droplets of example 1 are close to natural mist, and can be uniformly dispersed and floated to be released into the target environment.
Example 2
Example 2 referring to example 1, except that the disinfecting solution further comprises an auxiliary active agent selected from one or more of polyquaternium, myristoyl propyl dimethylamine, hydrogen peroxide and chlorhexidine; further, the weight ratio of the auxiliary active agent to the polyhexamethylene biguanide is (1-5): (1-5), specifically, the auxiliary active agent is hydrogen peroxide, and the weight ratio of the auxiliary active agent to the polyhexamethylene biguanide is 2: 1, aiming at improving the disinfection effect of the disinfectant and correspondingly reducing the production cost.
A high-efficiency disinfectant comprises the following raw materials in parts by weight: 0.5-2 parts of polyhexamethylene biguanide, 0.5-2 parts of organic alkali, 5-20 parts of solvent, 1-5 parts of nonionic surfactant, 2-15 parts of cationic surfactant and 50-200 parts of deionized water; the disinfectant also comprises an auxiliary active agent, wherein the auxiliary active agent is selected from one or more of polyquaternium, myristoyl propyl dimethylamine, hydrogen peroxide and chlorhexidine; further, the weight ratio of the auxiliary active agent to the polyhexamethylene biguanide is (1-5): (1-5);
specifically, 2 parts of polyhexamethylene biguanide, 4 parts of hydrogen peroxide, 1.5 parts of organic base, 15 parts of solvent, 5 parts of nonionic surfactant, 12 parts of cationic surfactant and 50.5 parts of deionized water;
wherein the solvent comprises a polar solvent and a non-polar solvent, the polar solvent is selected from one or more of methanol, ethanol, propanol, isopropanol, n-butanol and isobutanol, and the non-polar solvent is selected from one or more of toluene, xylene, trimethylbenzene, white oil, turpentine and rapeseed oil; specifically, the polar solvent is n-butanol, the non-polar solvent is a mixture of trimethylbenzene and white oil, and the weight ratio of trimethylbenzene to white oil is about 2: 1.
the cationic surfactant is selected from one or more of tallow amine, fatty amine polyoxyethylene ether, fatty acid diethanol amide and triethanolamine oleate soap;
specifically, the nonionic surfactant is EO-PO type polyether; the cationic surfactant is a mixture of tallow amine and fatty amine polyoxyethylene ether, and the weight ratio of the tallow amine to the fatty amine polyoxyethylene ether is about 1: 1.
the preparation method of the disinfectant solution sample of this embodiment 1 includes the following steps: firstly stirring and dissolving polyhexamethylene biguanide by using a solvent, firstly specifically stirring and dissolving polyhexamethylene biguanide by using a polar solvent, then adding a non-polar solvent, then adding an organic base, a non-ionic surfactant and a cationic surfactant, finally adding deionized water, fully stirring and uniformly mixing to obtain the disinfectant. Or stirring and dissolving the polyhexamethylene biguanide and the auxiliary active agent, then adding the nonionic surfactant and the cationic surfactant, finally adding the hydrogen peroxide and the deionized water, and fully stirring and uniformly mixing to obtain the disinfectant.
The method of using the disinfecting solution of embodiment 1 is ultra-low volume spraying, low volume spraying or ultra-low volume electrostatic spraying, and is particularly a low volume sprayer.
The detection result of the droplet size shows that the average diameter of the fog spots generated by the disinfectant of the example 2 through the ultrasonic humidifier is about 40 micrometers at room temperature, and the droplet size changes within 15% after one hour; therefore, the droplets of example 2 can be dispersed and floated uniformly like natural fog and released into the target environment.
Comparative example 1
Referring to the Chinese patent 'Compound polyhexamethylene biguanide disinfectant' (application number CN201811360941.0), the compound polyhexamethylene biguanide disinfectant comprises the following components in percentage by weight:
0.2% of polyhexamethylene biguanide, 0.2% of citric acid and the balance of phosphate buffer, and adjusting the pH to 6.6.
Examples of the experiments
Spray test
The experiment was conducted to test the difference in dispersion of the mist formed by the disinfectant of the present invention and the disinfectant of comparative example 1. During the test, a 2m × 1m paperboard is vertically placed at a position which is 5 m away from a spray droplet outlet in parallel, 20 pieces of water-sensitive test paper are uniformly placed on the front surface of the paperboard, and 20 pieces of water-sensitive test paper are also uniformly placed on the back surface of the paperboard, wherein the specification of the water-sensitive test paper is 76mm × 26 mm.
2kg of each of the samples of experimental example 1, experimental example 2 and comparative example 1 was prepared without dilution, 1kg of each of the disinfectants of experimental example 1, experimental example 2 and comparative example 1 was sprayed using an ultra-low volume sprayer, and 1kg of a 100-fold dilution of the disinfectant of comparative example 1 was sprayed using an electric knapsack sprayer (type 3wBD-16 sprayer), the interval time between each spraying was at least 3 hours, and the number of mist drops finally on the water-sensitive test paper was checked one hour after each spraying was completed, and the results are shown in table 1.
The samples of experimental example 1, experimental example 2 and comparative example 1 were diluted 10 times to obtain 2kg each of the diluted solutions, 1kg each of the disinfectants of experimental example 1, experimental example 2 and comparative example 1 was sprayed using a low-volume sprayer, and 100 times of the diluted solution of the disinfectant of comparative example 1 was sprayed using a knapsack power sprayer (type 3wBD-16 sprayer), the interval time between each spraying was at least 3 hours, and the number of mist drops finally on the water-sensitive test paper was checked one hour after each spraying was completed, and the results are shown in table 2.
Table 1 number of droplets formed by the ultra low volume nebulizer on the water sensitive test paper.
Figure RE-GDA0002615004610000061
As can be seen from the results in table 1, when the ultra-low volume sprayer is used to spray the disinfectant, compared with the sample in comparative example 1, the number of the mist droplets on the front surface and the back surface of the water-sensitive test paper in the samples in experimental example 1 and experimental example 2 is higher than that in comparative example 1, and the principle is that because the solvent is present in the example of the present invention, an oil core or an oil film is formed in the mist droplets formed by spraying, on the other hand, a sufficient amount of organic base is added into the disinfectant system of the present invention, and the combination of the nonionic surfactant and the cationic active agent is used, so that on one hand, the mist droplets obtained by the present invention are finer, on the other hand, the mist droplets obtained by the present invention are not easy to volatilize due to the presence of oily components, while the system in comparative example 1 is an aqueous system; the applicant of the present invention further found that the nonionic surfactant and/or the cationic surfactant contain the fatty alcohol group, and the carbon chain of the fatty alcohol group is C10 to C18, so that the obtained mist droplet has more excellent anti-volatilization performance. In comparative example 1, the mist particles were not dispersed substantially because the mist particles formed in the knapsack electric sprayer had a large particle size and an average particle size of more than 500 μm, so that the number of mist droplets on the water-sensitive paper on the front surface of the paper board was small and the mist droplets on the water-sensitive paper on the back surface of the paper board were almost absent.
TABLE 2 number of fogdrops on fogdrops water-sensitive test paper formed by low-volume sprayer
Figure RE-GDA0002615004610000062
As can also be seen from the results in table 2, when the disinfectant is sprayed by using a low-volume sprayer, the number of the fogdrop on the front surface of the water-sensitive test paper or on the back surface of the water-sensitive test paper is higher than that of the comparative example 1 in the samples of the experimental example 1 and the experimental example 2 compared with that of the comparative example 1, and the fogdrop particles are not dispersed basically because the fogdrop particles formed in the comparative example 1 have a larger particle size and an average particle size of more than 500 micrometers, so the number of the fogdrop on the water-sensitive paper on the front surface of the paper board is small and the fogdrop on the water-sensitive paper on the back surface of the paper board is not.
The above description is only exemplary of the present invention, and the present invention is not limited thereto, and any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. The disinfectant with high work efficiency is characterized by comprising the following raw materials in parts by weight: 0.5-2 parts of polyhexamethylene biguanide, 0.5-2 parts of organic alkali, 5-20 parts of solvent, 1-5 parts of nonionic surfactant, 2-15 parts of cationic surfactant and 50-200 parts of deionized water;
the solvent comprises a polar solvent and a non-polar solvent, wherein the polar solvent is selected from one or more of methanol, ethanol, propanol, isopropanol, n-butanol and isobutanol, and the non-polar solvent is selected from one or more of toluene, xylene, trimethylbenzene, white oil, turpentine and rapeseed oil.
2. The disinfecting solution of claim 1, wherein the organic base is one or more selected from triethanolamine, choline, triethylamine, and ethylenediamine.
3. The disinfectant of claim 1, wherein the cationic surfactant is selected from one or more of tallow amine, polyoxyethylene ether of fatty amine, diethanol amide of fatty acid, and soap of triethanolamine oleate.
4. The disinfecting solution of claim 1, further comprising an auxiliary active agent selected from one or more of polyquaternium, myristoylpropyldimethylamine, hydrogen peroxide, and chlorhexidine.
5. The disinfectant liquid as set forth in claim 4, wherein the weight ratio of the co-active agent to the polyhexamethylene biguanide is (1-5): (1-5).
6. The method for preparing a disinfecting solution according to any one of claims 1 to 5, characterized by comprising the steps of: firstly, stirring and dissolving polyhexamethylene biguanide by using a solvent, or stirring and dissolving polyhexamethylene biguanide and an auxiliary active agent, adding an organic base, a nonionic surfactant and a cationic surfactant, and finally adding deionized water, and fully stirring and uniformly mixing to obtain the disinfectant.
7. The method of using the disinfecting solution of any one of claims 1 to 5, wherein the method of using the disinfecting solution is ultra-low volume spraying, low volume spraying or ultra-low volume electrostatic spraying.
CN202010170030.2A 2020-03-12 2020-03-12 High-efficiency disinfectant and preparation method and use method thereof Pending CN111642512A (en)

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Application publication date: 20200911