CN111226938A - Disinfectant capable of quickly forming film and preparation method thereof - Google Patents
Disinfectant capable of quickly forming film and preparation method thereof Download PDFInfo
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- CN111226938A CN111226938A CN202010155655.1A CN202010155655A CN111226938A CN 111226938 A CN111226938 A CN 111226938A CN 202010155655 A CN202010155655 A CN 202010155655A CN 111226938 A CN111226938 A CN 111226938A
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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
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/02—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
- A01N43/04—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
- A01N43/14—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom six-membered rings
- A01N43/16—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom six-membered rings with oxygen as the ring hetero atom
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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
- A01N25/04—Dispersions, emulsions, suspoemulsions, suspension concentrates or gels
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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
- A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
- A01N59/16—Heavy metals; Compounds thereof
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- Agronomy & Crop Science (AREA)
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- Plant Pathology (AREA)
- Engineering & Computer Science (AREA)
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- Environmental Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
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- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention belongs to the field of disinfection products, and particularly relates to a disinfectant capable of quickly forming a film and a preparation method thereof. The disinfectant disclosed by the invention is prepared from the following raw materials in parts by weight: 0.5 part of chitosan, 0.5 part of lactic acid, 051 parts of nano silver ion antibacterial agent DM-Ag, 20 parts of absolute ethyl alcohol, 1 part of nano graphene dispersion liquid and 78 parts of pure water; the disinfectant disclosed by the invention has the characteristics of good stability, uniform film formation, short solidification time, long sterilization time, strong wear resistance and the like, the film is formed 1.5min after spraying, the film has good adhesive force, the surface is smooth, the adhesion is durable, the disinfection effect after 7 days is still 99%, and the disinfection effect after 15 days reaches 95%. Compared with other antibacterial materials, the composite material has remarkable antibacterial and bactericidal activity and ultrahigh stability.
Description
Technical Field
The invention belongs to the field of disinfection products, and particularly relates to a disinfectant capable of quickly forming a film and a preparation method thereof.
Background
Diseases caused by the spread of bacteria and viruses are frequently outbreaked on the whole world, and the health of people is seriously harmed.
How to control the transmission of bacteria and viruses becomes a crucial topic, and for new coronary pneumonia outbreak in 2019, the transmission path of the novel coronavirus introduced by the Guangzhou city disease prevention and control center is called by Zhanzhou nationality and includes direct contact transmission and indirect contact transmission. For the general community residents, the risks are more from indirect contact, such as frequently touched door handles, taps, computer keyboards, mice, mobile phones, light switches, floors, toilets, and the like.
"the bactericidal film was developed by switzerland" plastic additives ", journal 5 of 2008, records that the experts of the federal institute of technology, switzerland developed a bactericidal silver and calcium phosphate coating film. It is particularly characterized in that: the film can generate the sterilization effect by itself. The film can be used in key places such as hospitals and markets where germs are easily spread, and door handles, sickbeds or sanitary facilities which are pasted with the self-disinfection film can protect human bodies from being infected by germs.
A flexible composite film with a sterilization function is developed in 2016 by Beijing university of science and technology in China, and is prepared by adopting an electrostatic self-assembly technology, so that the flexible composite film has very good sterilization capability.
Although the two types of films have good sterilization capability, the films are used in a mode of covering the film materials on a common component, the scene adaptability is poor, the wear resistance of the two types of films is poor, and the sterilization time efficiency is relatively short.
Disclosure of Invention
The invention aims to provide a disinfectant capable of quickly forming a film, which has the characteristic of quickly forming a layer of gel sterilization base film after being sprayed on the surface of a spatial object, and the gel film can be wrapped on the surface of the object which is contacted with a human body at high frequency, so that the application range is wide.
If the antibacterial agent is sprayed on the surface of the elevator key, a sterilization base film is formed, so that bacteria and viruses adsorbed on the surface layer of the base film can be adsorbed and effectively killed, cross infection caused by mutual contact of people on the surface layer of the object is avoided, and the antibacterial agent has the advantages of simplicity in use, environmental friendliness and no residue, and provides a preparation method and a use method thereof.
The disinfectant disclosed by the invention comprises the following raw materials in parts by weight: 0.5 part of chitosan, 0.5 part of lactic acid, 051 parts of nano silver ion antibacterial agent DM-Ag, 20 parts of absolute ethyl alcohol, 1 part of nano graphene dispersion liquid and 78 parts of pure water;
the preparation method of the nano graphene dispersion liquid comprises the following steps:
uniformly mixing nano-graphene powder, calcium chloride, silicon resin and isopropanol by ultrasonic waves, heating to 60 ℃, and reacting for 2 hours to form a nano-graphene solution, wherein the dosage ratio of the nano-graphene powder, the calcium chloride, the silicon resin and the isopropanol is 2 g: 0.5 g: 80mL, and the average diameter of nano-graphene fibers is 90 nm.
Preferably, the feed also comprises the following raw materials in parts by weight:
preferably, the film forming agent is water-based resin and/or water-based cellulose.
Preferably, the aqueous resin is one or more of aqueous acrylate, aqueous polyurethane, aqueous alkyd resin and aqueous epoxy resin.
Preferably, the aqueous cellulose is carboxymethyl cellulose and/or hydroxypropyl methyl cellulose.
Preferably, the essential oil is one or more of rose essential oil, lemon essential oil, lavender essential oil and mint essential oil.
Preferably, the feed also comprises the following raw materials in parts by weight:
defoaming agent X-4010.1 parts
Dispersant F-5010.1 parts
Wetting agent gsk-5880.1 parts.
The preparation method of the disinfectant capable of quickly forming the film adopts the following raw materials in parts by weight:
the preparation method comprises the following steps:
1) preparing a nano graphene dispersion liquid: uniformly mixing nano-graphene powder, calcium chloride, silicon resin and isopropanol by ultrasonic waves, heating to 60 ℃, and reacting for 2 hours to form a nano-graphene solution, wherein the dosage ratio of the nano-graphene powder, the calcium chloride, the silicon resin and the isopropanol is 2 g: 0.5 g: 80 mL;
2) adding carboxymethyl cellulose, chitosan, lactic acid and glycerol into pure water, and stirring for 15-30 minutes;
3) adding a nano silver ion antibacterial agent DM-Ag05, a nano graphene dispersion liquid, a defoaming agent X-401, a dispersing agent F-501, a wetting agent gsk-588 and absolute ethyl alcohol, and stirring for 30min at 60 ℃;
4) cooling to room temperature, adding lavender essential oil, and stirring for 5min to obtain disinfectant.
The application method of the disinfectant disclosed by the invention comprises the steps of filling the disinfectant into the spraying device, spraying the disinfectant onto a disinfection object, and forming a layer of transparent sterilization film on the surface of the disinfection object after the disinfectant is naturally dried.
Compared with the prior art, the invention has the following beneficial effects:
(1) the disinfectant disclosed by the invention has the characteristics of good stability, uniform film formation, short time, long sterilization time, strong wear resistance and the like, the film is formed 1.5min after spraying, the film has good adhesive force, smooth surface and durable adhesion, the sterilization effect is still kept 99% after 7 days, and compared with other antibacterial materials, the composite material has remarkable antibacterial and bactericidal activity and ultrahigh stability.
(2) The nano graphene dispersing agent can ensure that the silver nano ion antibacterial agent is not easy to inactivate, has a slow release effect and can increase the sterilization aging of the antibacterial agent.
Detailed Description
The present invention is described in detail with reference to the following examples, but the scope of the present invention is not limited thereto.
Preparing a nano graphene solution:
mixing nano-graphene powder, calcium chloride, silicon resin and isopropanol according to the proportion of 2g to 0.5g to 80mL of the nano-graphene powder, the calcium chloride, the silicon resin and the isopropanol, uniformly mixing by using ultrasonic waves, heating to 60 ℃, and reacting for 2 hours to form a nano-graphene solution, wherein the average diameter of nano-graphene fibers is 90 nm.
Example 1
The preparation method of the disinfectant capable of quickly forming the film adopts the following raw materials in parts by weight:
the preparation method comprises the following steps:
1) adding chitosan and lactic acid into pure water according to the formula dosage, and ultrasonically stirring for 15-30 minutes to completely dissolve the chitosan to form a chitosan solution;
2) adding nano silver ion antibacterial agent DM-Ag05, nano graphene dispersion liquid and absolute ethyl alcohol, and stirring at 60 ℃ for 30min to obtain the disinfectant.
Example 2
The preparation method of the disinfectant capable of quickly forming the film adopts the following raw materials in parts by weight:
the preparation method comprises the following steps:
1) adding carboxymethyl cellulose, chitosan, lactic acid and glycerol into pure water, and stirring for 15-30 minutes;
2) adding a nano silver ion antibacterial agent DM-Ag05, a nano graphene dispersion liquid, a defoaming agent X-401, a dispersing agent F-501, a wetting agent gsk-588 and absolute ethyl alcohol, and stirring for 30min at 60 ℃;
3) cooling to room temperature, adding lavender essential oil, and stirring for 5min to obtain disinfectant.
Physical test results:
the disinfectant is uniformly sprayed on the surface of the disinfection object, and the disinfection object is filmed and detected, and the results are shown in table 1.
TABLE 1
| Film formation time | Area of coating film | Degree of smoothness | Hardness of | |
| Example 1 | 3min | 30％ | - | + |
| Example 2 | 1.5min | 95％ | ++ | +++ |
Film forming time:
after the disinfectant of example 1 was sprayed on the surface of the object to be disinfected, the surface of the object was substantially dried for 3min in a natural state, and a film with incomplete coverage was formed on the surface, and the time for the substantially drying was 1.5min after the disinfectant of example 2 was sprayed on the surface of the object to be disinfected.
Test method of "film-covered area" in table 1:
the disinfectant prepared in example 1 and the disinfectant prepared in example 2 were respectively filled in a spraying device, the surfaces of the disinfection objects were sprayed, after 10min, the surfaces of the disinfection objects were photographed with a microscope, and the areas of the coating films were measured, with the results as shown in table 1: the spray object of example 1 had an unsatisfactory surface coverage, about 30%, and the spray object of example 2 had an ideal coverage area, about 95%.
The "smoothness" index in Table 1 is explained as follows:
-: the surface is rough;
+: is opaque; the surface is smoother;
++: the surface is relatively transparent and smooth;
the "smoothness" index in table 1 was tested:
the disinfectant solutions prepared in example 1 and example 2 were respectively filled in a spraying device, and sprayed on the surface of a disinfection object, and after 10min, the smoothness of the surface of the disinfection object was checked with naked eyes, and the results are shown in table 1: the surface film of the spray object of example 1 was rough, while the surface film of the spray object of example 2 was transparent and smooth.
The "hardness" index in Table 1 is explained as follows:
+: adhesion is formed, but the adhesion is low, and after the finger is wiped, the finger has residue, so the hardness is poor;
++: the adhesive force is general, after the finger is wiped, no residue is left on the finger, the finger is easy to scrape by using a nail, and the hardness is general;
+++: the adhesive force is good, and the hardness is higher when the nail is difficult to scrape.
Test methods for the "hardness" index in table 1:
the disinfectant prepared in example 1 and the disinfectant prepared in example 2 were respectively filled into a spraying device, the surfaces of the disinfection objects were sprayed, after 10min, the hardness of the film was judged by finger wiping and nail scraping, as shown in table 1: the disinfection film formed in example 1 has low adhesion, and the finger has residue after being wiped by the finger, which indicates that the hardness is poor, and the disinfection film formed in example 2 has good adhesion and high hardness which is difficult to be scraped by a nail.
The disinfection effect results were as follows:
detection standard: WS/T650-2019
Results of bactericidal rate are shown in table 2:
as shown in the table 2, on the 1 st day of spraying the disinfectant, the sterilization rate of common pathogenic bacteria such as staphylococcus aureus and escherichia coli in the examples 1 and 2 is 99.9 percent;
the sterilization effect of the sterilization film in the example 1 is very obviously reduced in the next days, the sterilization effect is reduced to 50.7% in the 2 nd day, and the sterilization effect cannot be detected in the 4 th day;
the sterilization effect of the sterilization film in the embodiment 2 can be kept better within 15 days in the future, 99.0% sterilization effect can be kept on the 7 th day, and the sterilization effect is still more than 95% on the 15 th day.
TABLE 2
| Number of days | Example 1 | Example 2 |
| 1 | 99.9％ | 99.9％ |
| 2 | 50.7％ | 99.9％ |
| 3 | 20.1％ | 99.8％ |
| 4 | 6.7％ | 99.8％ |
| 5 | - | 99.2％ |
| 6 | - | 99.2％ |
| 7 | - | 99.0％ |
| 8 | - | 98.5％ |
| 9 | - | 98.0％ |
| 10 | - | 97.0％ |
| 11 | - | 96.8％ |
| 12 | - | 95.7％ |
| 13 | - | 95.7％ |
| 14 | - | 95.5％ |
| 15 | - | 95.1％。 |
Claims (9)
1. The disinfectant capable of quickly forming the film is characterized by comprising the following raw materials in parts by weight: 0.5 part of chitosan, 0.5 part of lactic acid, 051 parts of nano silver ion antibacterial agent DM-Ag, 20 parts of absolute ethyl alcohol, 1 part of nano graphene dispersion liquid and 78 parts of pure water;
the preparation method of the nano graphene dispersion liquid comprises the following steps:
uniformly mixing nano-graphene powder, calcium chloride, silicon resin and isopropanol by ultrasonic waves, heating to 60 ℃, and reacting for 2 hours to form a nano-graphene solution, wherein the dosage ratio of the nano-graphene powder, the calcium chloride, the silicon resin and the isopropanol is 2 g: 0.5 g: 80mL, and the average diameter of nano-graphene fibers is 90 nm.
2. The disinfection solution for rapid film formation according to claim 1, further comprising the following raw materials in parts by weight:
3. the disinfection solution of claim 2, wherein the film-forming agent is an aqueous resin and/or an aqueous cellulose.
4. The disinfection solution for rapid film formation as claimed in claim 3, wherein the water-based resin is one or more of water-based acrylate, water-based polyurethane, water-based alkyd resin and water-based epoxy resin.
5. The disinfection solution for rapid film formation as claimed in claim 3, wherein the aqueous cellulose is carboxymethyl cellulose and/or hydroxypropyl methyl cellulose.
6. The disinfection solution of claim 2, wherein the essential oil is one or more of rose essential oil, lemon essential oil, lavender essential oil, and peppermint essential oil.
7. The disinfection solution for rapid film formation according to claim 1, further comprising the following raw materials in parts by weight:
defoaming agent X-4010.1 parts
Dispersant F-5010.1 parts
Wetting agent gsk-5880.1 parts.
8. The preparation method of the disinfectant capable of quickly forming the film is characterized by adopting the following raw materials in parts by weight:
the preparation method comprises the following steps:
1) preparing a nano graphene dispersion liquid: uniformly mixing nano-graphene powder, calcium chloride, silicon resin and isopropanol by ultrasonic waves, heating to 60 ℃, and reacting for 2 hours to form a nano-graphene solution, wherein the dosage ratio of the nano-graphene powder, the calcium chloride, the silicon resin and the isopropanol is 2 g: 0.5 g: 80 mL;
2) adding carboxymethyl cellulose, chitosan, lactic acid and glycerol into pure water, and stirring for 15-30 minutes;
3) adding a nano silver ion antibacterial agent DM-Ag05, a nano graphene dispersion liquid, a defoaming agent X-401, a dispersing agent F-501, a wetting agent gsk-588 and absolute ethyl alcohol, and stirring for 30min at 60 ℃;
4) cooling to room temperature, adding lavender essential oil, and stirring for 5min to obtain disinfectant.
9. The application method of the disinfectant capable of quickly forming the film is characterized in that the disinfectant is filled into a spraying device and sprayed onto a disinfection object, and after the disinfectant is naturally dried, a layer of transparent sterilization film is formed on the surface of the disinfection object by the disinfectant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010155655.1A CN111226938A (en) | 2020-03-09 | 2020-03-09 | Disinfectant capable of quickly forming film and preparation method thereof |
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| CN202010155655.1A CN111226938A (en) | 2020-03-09 | 2020-03-09 | Disinfectant capable of quickly forming film and preparation method thereof |
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| CN111226938A true CN111226938A (en) | 2020-06-05 |
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| CN202010155655.1A Withdrawn CN111226938A (en) | 2020-03-09 | 2020-03-09 | Disinfectant capable of quickly forming film and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112274690A (en) * | 2020-09-15 | 2021-01-29 | 深圳市华中生物药械有限公司 | Liquid dressing and preparation method thereof |
| CN112335687A (en) * | 2020-10-22 | 2021-02-09 | 广东京兴航天农业技术开发有限公司 | Long-acting antibacterial disinfectant |
| CN115211437A (en) * | 2022-08-19 | 2022-10-21 | 江阴市大阪涂料有限公司 | Long-acting sterilizing disinfectant and preparation method and application thereof |
-
2020
- 2020-03-09 CN CN202010155655.1A patent/CN111226938A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112274690A (en) * | 2020-09-15 | 2021-01-29 | 深圳市华中生物药械有限公司 | Liquid dressing and preparation method thereof |
| CN112335687A (en) * | 2020-10-22 | 2021-02-09 | 广东京兴航天农业技术开发有限公司 | Long-acting antibacterial disinfectant |
| CN115211437A (en) * | 2022-08-19 | 2022-10-21 | 江阴市大阪涂料有限公司 | Long-acting sterilizing disinfectant and preparation method and application thereof |
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