CN113197203A - Cleaning disinfectant containing mixed phenol, preparation method and application thereof - Google Patents

Cleaning disinfectant containing mixed phenol, preparation method and application thereof Download PDF

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Publication number
CN113197203A
CN113197203A CN202110553239.1A CN202110553239A CN113197203A CN 113197203 A CN113197203 A CN 113197203A CN 202110553239 A CN202110553239 A CN 202110553239A CN 113197203 A CN113197203 A CN 113197203A
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phenol
mixed
bactericide
methylphenol
surfactant
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CN202110553239.1A
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Inventor
李武毅
张良
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Zhongshan Maiwei Environmental Protection Technology Co ltd
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Zhongshan Maiwei Environmental Protection Technology Co ltd
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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
    • A01N31/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic oxygen or sulfur compounds
    • A01N31/08—Oxygen or sulfur directly attached to an aromatic ring system
    • 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
    • A01N25/30—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 characterised by the surfactants
    • 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
    • A01N37/02—Saturated carboxylic acids or thio analogues thereof; Derivatives 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
    • A01N61/00—Biocides, pest repellants or attractants, or plant growth regulators containing substances of unknown or undetermined composition, e.g. substances characterised only by the mode of action
    • A01N61/02—Mineral oils; Tar oils; Tar; Distillates, extracts or conversion products thereof

Abstract

The invention provides a cleaning disinfectant containing mixed phenol, a preparation method and application thereof, and relates to the field of disinfectants. The disinfectant comprises the following components in percentage by weight: 5-10% of mixed phenol bactericide, 25-45% of high-boiling point coal tar oleic acid phenol, 25-35% of glacial acetic acid, 15-25% of surfactant and the balance of water; the mixed phenol bactericide is a mixture of 2-methylphenol, 3-methylphenol, 4-methylphenol and phenol. The invention adopts the mixed phenol bactericide as an effective component, and the interaction of a plurality of phenols can play the effects of mutual superposition and high-efficiency synergistic disinfection by controlling the mass ratio of various phenols, and the addition of the surfactant with a specific proportion into the components can obviously increase the compatibility of the phenol bactericide and other components, improve the stability of the product, obviously prolong the action time of the bactericide, effectively inhibit the breeding of viruses and avoid repeated disinfection.

Description

Cleaning disinfectant containing mixed phenol, preparation method and application thereof
Technical Field
The invention relates to the field of disinfectants, in particular to a cleaning disinfectant containing mixed phenol, a preparation method and application thereof.
Background
At present, frequent social activities of people and pollution of natural environment increase the chances of disease infection, and the harm to human health is great. Various disinfectants and washing products in the market are various, but most of the disinfectants and the washing products have single function, and many washing products have no sterilization effect. The common high-efficiency disinfectant capable of killing bacterial spores, such as formaldehyde, glutaraldehyde, peracetic acid, ethylene oxide and the like, has certain toxicity and threatens the health of human bodies. The low-toxicity medium-efficiency and low-efficiency disinfectants such as glycerol, phenol, iodine-containing disinfectants and the like are difficult to kill bacterial spores. The traditional phenol bactericides are most widely applied, mainly comprise phenol, chloroxylenol, triclosan and o-phenylphenol, but the phenol bactericides have high irritation and unpleasant smell, can dry and sensitize the skin after being used on the skin for a long time, and have unsatisfactory acceptance of consumers. On the other hand, the phenolic fungicides have limited application due to their poor water solubility.
For example, chinese patent application 201510074247.2 discloses a chlorocresol nanoemulsion disinfectant and a preparation method thereof for improving the solubility of chlorocresol, wherein the chlorocresol is dissolved in a nanoemulsion serving as a drug carrier, which not only improves the stability of the disinfectant, but also significantly reduces the phenol odor of the chlorocresol, and the chlorocresol nanoemulsion disinfectant is prepared from the following raw materials in parts by weight: 0.1 to 6.8 parts of chlorocresol, 0 to 18.2 parts of additive, 22.1 to 30.4 parts of surfactant, 3.3 to 5.0 parts of oil and 42.8 to 65.9 parts of purified water. The invention provides the disinfectant for the surfaces of non-living things such as livestock and poultry houses, vehicles, utensils and environments, and has the advantages of strong disinfection effect, simple production process, low production cost, good stability and convenience for large-scale production.
Further, as disclosed in the Chinese patent application 202011000350.X, a nicotinamide mixed bactericide, a preparation method and an application thereof are disclosed. The nicotinamide mixed bactericide comprises, by mass, 2-10% of nicotinamide, 5-25% of a phenol bactericide, 5-40% of polyhydric alcohol and 2-20% of an emulsifier. The preparation method comprises heating phenolic bactericide and polyhydric alcohol, dissolving, and mixing; cooling, adding emulsifier, and mixing; adding nicotinamide, and mixing. The nicotinamide mixed bactericide prepared by the invention can obviously enhance the bactericidal effect of the phenol bactericide, has low irritation and lighter unpleasant odor, and is very suitable for application in washing-off products. However, only the synergistic effect of the nicotinamide and the phenol bactericide is considered in the application, and the bactericidal performance of the phenol bactericide mixture is not researched.
For another example, chinese patent application 201810766883.5 discloses a mixed bactericide, which comprises the following components by weight percent: 15-30% of single-chain quaternary ammonium salt, 25-40% of double-chain quaternary ammonium salt, 0.1-5% of phenol bactericide, 2-10% of nonionic surfactant and the balance of deionized water. The invention also discloses a preparation method and application of the mixed bactericide. The components of the bactericide exert synergistic and mutual promotion effects, the bactericidal effect is remarkably improved, and the bactericide has the characteristics of higher bactericidal rate, lower use concentration, no toxicity, no stimulation, stability in storage, safety, greenness and environmental friendliness. The application also only studies the synergistic performance of a phenolic fungicide in combination with other components, but the use of a phenolic fungicide is limited to an equal extent, thereby limiting its applicability.
Therefore, there is a need to develop a disinfectant cleaner containing a mixed phenolic germicide.
Disclosure of Invention
Based on the defects and shortcomings in the prior art, the invention develops the cleaning disinfectant containing mixed phenol, and in the implementation process, the invention discovers that the obtained disinfectant not only has good disinfection effect, but also has long action time and can be widely applied to various places by mixing 2-methylphenol, 3-methylphenol, 4-methylphenol and phenol and adding a certain amount of glacial acetic acid.
The technical scheme of the invention is that the cleaning disinfectant containing mixed phenol comprises the following components in percentage by weight: 5-10% of mixed phenol bactericide, 25-45% of high-boiling point coal tar oleic acid phenol, 25-35% of glacial acetic acid, 15-25% of surfactant and the balance of water.
Preferably, the cleaning disinfectant containing mixed phenol comprises the following components in percentage by weight: 6-8% of mixed phenol bactericide, 30-40% of high-boiling point coal tar oleic acid phenol, 28-32% of glacial acetic acid, 18-22% of surfactant and the balance of water.
Wherein the mixed phenol bactericide is a mixture of 2-methylphenol, 3-methylphenol, 4-methylphenol and phenol;
the mass ratio of the 2-methylphenol, the 3-methylphenol, the 4-methylphenol and the phenol is 1-2: 2.5-3.2:4-4.5: 10-12;
preferably, the mass ratio of the 2-methylphenol to the 3-methylphenol to the 4-methylphenol to the phenol is 1.5:3:4.4: 11.1.
The high-boiling point coal tar acid type phenol is a mixed phenol product obtained by processing coal tar by a rectification method, and the high-boiling point coal tar acid type phenol is a component with a boiling point of 170-250 ℃, namely the coal tar is processed by the rectification method to collect a fraction with a boiling point of 170-250 ℃.
The surfactant is selected from one or more of dodecyl benzene sulfonic acid, coconut oil fatty acid diethanolamide, dodecyl ethoxy sulfobetaine, octadecyl ethoxy sulfobetaine and dodecyl dimethyl sulfopropyl betaine.
Preferably, the surfactant is selected from one or more of dodecyl benzene sulfonic acid, coconut oil fatty acid diethanolamide and dodecyl ethoxy sulfobetaine;
still preferably, the surfactant is dodecyl benzene sulfonic acid, coconut oil fatty acid diethanolamide and dodecyl ethoxy sulfobetaine in a mass ratio of 2-5:1: 1.
Further preferably, the surfactant is dodecyl benzene sulfonic acid, coconut oil fatty acid diethanolamide and dodecyl ethoxy sulfobetaine in a mass ratio of 3:1: 1.
According to the invention, the mixture of dodecyl benzene sulfonic acid, coconut oil fatty acid diethanolamide and dodecyl ethoxy sulfobetaine is added as a surfactant in the components, so that the mixed phenol bactericide is better dissolved together and better mixed with the components.
The mass ratio of the surfactant to the mixed phenol bactericide is 2-5: 1;
preferably, the mass ratio of the surfactant to the mixed phenol bactericide is 3-4: 1;
more preferably, the mass ratio of the surfactant to the mixed phenol bactericide is 4: 1;
the mass fraction of the glacial acetic acid is 60-80%.
In the implementation process, the invention unexpectedly discovers that the mass fraction of glacial acetic acid is controlled to be 60-80%, the sterilizing effect of the disinfectant can be obviously improved, and the action time of the disinfectant is obviously prolonged.
Preferably, the mass fraction of the glacial acetic acid is 80%.
The disinfectant of the present invention may be prepared by conventional mixing. When the sterilizing disinfectant is used, the disinfectant is diluted by water according to the ratio of 1:100-500, and then is sterilized by adopting a spraying method, a soaking method or a washing method.
The invention also provides application of the disinfectant in killing pathogenic bacteria. The pathogenic bacteria comprise one or more of dysentery bacillus, streptococcus, trichophyton mentagrophytes, aspergillus fumigatus, microsporum and escherichia coli.
Compared with the prior art, the invention has the beneficial effects that:
(1) the disinfectant provided by the invention adopts the mixed phenol bactericide as an effective component, the solubility of various bactericides is obviously improved by controlling the mass ratio of various phenols, the disinfectant not only has a better sterilizing effect, but also the compatibility of the phenol bactericide and other components can be obviously improved by adding the surfactant in a specific proportion into the components, the stability of the product is improved, the action time of the bactericide can be obviously prolonged, the breeding of viruses can be effectively inhibited, and repeated disinfection is avoided;
(2) according to the invention, the dodecyl benzene sulfonic acid, the coconut oil fatty acid diethanolamide and the dodecyl ethoxy sulfobetaine which are in a mass ratio of 2-5:1:1 are added into the components as the surfactants, so that the compatibility among the components can be obviously improved, the solubility of the mixed phenol is improved to a certain extent, and the sterilization effect is improved;
(3) the sterilization disinfectant disclosed by the invention has the advantages of simple preparation method, easiness in industrial production, low price, obvious sterilization effect on various common pathogenic bacteria such as shigella dysenteriae, streptococcus, trichophyton mentagrophytes, aspergillus fumigatus, microsporomyces, escherichia coli and the like, short sterilization time, good sterilization effect and small toxic and side effects.
Detailed Description
The following examples are primarily intended to further illustrate the invention:
the components used in the invention are all commercially purchased components, and the components of the mixed phenol bactericide are all commercially purchased chemical purities.
EXAMPLE 1 disinfectant cleaner containing Mixed phenols
The paint comprises the following components in percentage by weight: 5% of mixed phenol bactericide, 25% of high-boiling point coal tar oleic acid type phenol, 25% of 60% glacial acetic acid, 15% of surfactant and the balance of water.
The mass ratio of the mixed phenol bactericide is 1: 2.5: 4.5:10 of 2-methylphenol, 3-methylphenol, 4-methylphenol and mixtures of phenols;
the surfactant is dodecyl benzene sulfonic acid, coconut oil fatty acid diethanolamide and dodecyl ethoxy sulfobetaine in a mass ratio of 2:1: 1.
EXAMPLE 2A disinfectant cleaner containing Mixed phenols
The paint comprises the following components in percentage by weight: 10% of mixed phenol bactericide, 30% of high-boiling point coal tar oleic acid type phenol, 32% of 70% of glacial acetic acid, 25% of surfactant and the balance of water.
The mass ratio of the mixed phenol bactericide is 2: 3.2: 4: 10 of 2-methylphenol, 3-methylphenol, 4-methylphenol and mixtures of phenols;
the surfactant is dodecyl benzene sulfonic acid, coconut oil fatty acid diethanolamide and dodecyl ethoxy sulfobetaine in a mass ratio of 5:1: 1.
EXAMPLE 3A disinfectant cleaner containing Mixed phenols
The paint comprises the following components in percentage by weight: 8% of mixed phenol bactericide, 30% of high-boiling point coal tar oleic acid type phenol, 28% of 80% glacial acetic acid, 22% of surfactant and the balance of water.
The mass ratio of the mixed phenol bactericide is 1.8: 3.0: 4:11 of 2-methylphenol, 3-methylphenol, 4-methylphenol and mixtures of phenols;
the surfactant is dodecyl benzene sulfonic acid, coconut oil fatty acid diethanolamide and dodecyl ethoxy sulfobetaine in a mass ratio of 4:1: 1.
EXAMPLE 4A disinfectant cleaner containing Mixed phenols
The paint comprises the following components in percentage by weight: 6% of mixed phenol bactericide, 32% of high-boiling point coal tar oleic acid type phenol, 32% of 80% of glacial acetic acid, 24% of surfactant and the balance of water.
The mixed phenol bactericide is a mixture of 2-methylphenol, 3-methylphenol, 4-methylphenol and phenol in a mass ratio of 1.5:3:4.4: 11.1;
the surfactant is dodecyl benzene sulfonic acid, coconut oil fatty acid diethanolamide and dodecyl ethoxy sulfobetaine in a mass ratio of 3:1: 1.
Comparative example 1
The difference from example 4 is that: the surfactant used was dodecylbenzene sulfonic acid alone, and the other components and contents were the same as in example 4.
Comparative example 2
The difference from example 4 is that: the surfactant added is only Tween-80, and other components and contents are the same as those in example 4.
Comparative example 3
The difference from example 4 is that: the surfactants are dodecyl benzene sulfonic acid, coconut oil fatty acid diethanolamide and dodecyl ethoxy sulfobetaine in a mass ratio of 1:1:1, and other components and contents are the same as those in example 4.
Comparative example 4
The difference from example 4 is that: the mass ratio of the surfactant to the mixed phenol bactericide is 1:1, namely 15% of the mixed phenol bactericide and 15% of the surfactant, and other components and contents are the same as those in example 4.
Comparative example 5
The difference from example 4 is that: the mass ratio of the surfactant to the mixed phenol bactericide is 7:1, namely 3.75% of the mixed phenol bactericide and 26.25% of the surfactant, and other components and contents are the same as those in example 4.
Effect test
1. Experiment of Disinfection Effect
Treating the same cloth with dysentery bacillus, streptococcus and aspergillus fumigatus respectively, then putting the disinfectants prepared according to the embodiments 1-4 and the comparative examples 1-5 respectively, diluting the disinfectants according to the proportions of 1:100, 1:300 and 1:500 respectively, counting the sterilization rates of the dysentery bacillus, the streptococcus and the aspergillus fumigatus in the cloth pieces at different times, and recording the sterilization rates in tables 1-2;
TABLE 1 Sterilization of the disinfectants prepared in examples 1-4
Figure BDA0003076116550000061
Figure BDA0003076116550000071
TABLE 2 Sterilization of the disinfectants prepared in comparative examples 1-5
Figure BDA0003076116550000072
Figure BDA0003076116550000081
According to the detection data of the above table 1-2, it can be seen that the bactericidal rate of the bactericide prepared in the embodiments 1-4 of the present invention after dilution for 5 minutes according to the ratio of 1:500 can reach more than 99.90%, and the highest bactericidal effect can reach 100% by using the mixed phenol bactericide in the embodiment 4 in a specific ratio. The comparative examples 1 to 3 use different surfactants or change the types of the surfactants can affect the bactericidal effect to a certain extent, and especially the bactericidal effect is obviously reduced after the bactericide is diluted according to the proportion of 1: 500; comparative examples 4 to 5 when the mass ratio of the surfactant to the mixed phenol type bactericide is changed out of the range of the present invention, the sterilizing effect of the obtained bactericide is also reduced to various degrees.
2. Product stability test
High temperature stability (45 +/-1) DEG C, and treatment time of three months; the low temperature stability is-5 to-10 ℃, the treatment time is one week, the high temperature and the low temperature are alternated, and the treatment time is 6 months. After the test is finished, the temperature is returned to room temperature for observing smell, color, precipitation, crystallization, delamination and the like.
Centrifugal stability: 3000rpm, 30min, and the presence or absence of delamination was examined. The results are shown in Table 3.
TABLE 3
Figure BDA0003076116550000091
Figure BDA0003076116550000101
The detection results in table 3 above show that the examples 3-4 have good stability without delamination or substance precipitation in both high and low temperature and centrifugal tests, while the examples 1-2 have instability in high and low temperature alternate detection, but are slight and do not affect the use, which indicates that the specific proportion of the components can significantly improve the bactericidal effect of the bactericide. Comparative examples 1-5 all appeared strong pungent smell and more floccules in high and low temperature, high and low temperature alternation and centrifugation experiments, mainly because the phenol type bactericide was not easy to dissolve in water, surfactant type, or when the mass ratio with the phenol type bactericide was unreasonable, the phenol type bactericide was easy to separate out, thereby appearing pungent smell and flocculation phenomenon.
It should be noted that the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the protection scope of the present invention, and although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.

Claims (10)

1. A cleaning disinfectant containing mixed phenols, characterized in that: the paint comprises the following components in percentage by weight: 5-10% of mixed phenol bactericide, 25-45% of high-boiling point coal tar oleic acid phenol, 25-35% of glacial acetic acid, 15-25% of surfactant and the balance of water;
the mixed phenol bactericide is a mixture of 5-25% of 2-methylphenol, 10-25% of 3-methylphenol, 10-25% of 4-methylphenol and 10-25% of phenol.
2. The phenol-mixed sanitizing and disinfecting agent of claim 1, wherein: the paint comprises the following components in percentage by weight: 6-8% of mixed phenol bactericide, 30-40% of high-boiling point coal tar oleic acid phenol, 28-32% of glacial acetic acid, 18-22% of surfactant and the balance of water.
3. The phenol-mixed sanitizing and disinfecting agent of claim 2, wherein: the mixed phenol bactericide is prepared from the following components in a mass ratio of 1-2: 2.5-3.2:4-4.5:10-12 parts of 2-methylphenol, 3-methylphenol, 4-methylphenol and a mixture of phenols.
4. A cleaning disinfectant containing mixed phenols according to claim 3, characterized in that: the mixed phenol bactericide is a mixture of 2-methylphenol, 3-methylphenol, 4-methylphenol and phenol in a mass ratio of 1.5:3:4.4: 11.1.
5. The phenol-mixed sanitizing and disinfecting agent of claim 1, wherein: the surfactant is selected from one or more of dodecyl benzene sulfonic acid, coconut oil fatty acid diethanolamide, dodecyl ethoxy sulfobetaine, octadecyl ethoxy sulfobetaine and dodecyl dimethyl sulfopropyl betaine.
6. The phenol-mixed sanitizing and disinfecting agent of claim 5 wherein: the surfactant is dodecyl benzene sulfonic acid, coconut oil fatty acid diethanolamide and dodecyl ethoxy sulfobetaine in a mass ratio of 2-5:1: 1.
7. The phenol-mixed sanitizing and disinfecting agent of claim 6 wherein: the surfactant is dodecyl benzene sulfonic acid, coconut oil fatty acid diethanolamide and dodecyl ethoxy sulfobetaine in a mass ratio of 3:1: 1.
8. The phenol-mixed sanitizing and disinfecting agent of claim 1, wherein: the mass ratio of the surfactant to the mixed phenol bactericide is 2-5: 1.
9. The phenol-mixed sanitizing and disinfecting agent of claim 8, wherein: the mass ratio of the surfactant to the mixed phenol bactericide is 4: 1.
10. Use of a disinfectant according to any of claims 1-9 for killing pathogenic bacteria; the pathogenic bacteria comprise one or more of dysentery bacillus, streptococcus, trichophyton mentagrophytes, aspergillus fumigatus, microsporum and escherichia coli.
CN202110553239.1A 2021-05-20 2021-05-20 Cleaning disinfectant containing mixed phenol, preparation method and application thereof Pending CN113197203A (en)

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