CN112546275A - Antiviral and antibacterial adhesive film and preparation method thereof - Google Patents
Antiviral and antibacterial adhesive film and preparation method thereof Download PDFInfo
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- CN112546275A CN112546275A CN202011234997.9A CN202011234997A CN112546275A CN 112546275 A CN112546275 A CN 112546275A CN 202011234997 A CN202011234997 A CN 202011234997A CN 112546275 A CN112546275 A CN 112546275A
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- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 169
- 239000002313 adhesive film Substances 0.000 title claims abstract description 73
- 230000000840 anti-viral effect Effects 0.000 title claims abstract description 72
- 238000002360 preparation method Methods 0.000 title abstract description 30
- 239000000463 material Substances 0.000 claims abstract description 52
- 235000001405 Artemisia annua Nutrition 0.000 claims abstract description 51
- 240000000011 Artemisia annua Species 0.000 claims abstract description 51
- 239000000284 extract Substances 0.000 claims abstract description 50
- 239000010231 banlangen Substances 0.000 claims abstract description 37
- 238000002156 mixing Methods 0.000 claims abstract description 22
- FOIXSVOLVBLSDH-UHFFFAOYSA-N Silver ion Chemical compound [Ag+] FOIXSVOLVBLSDH-UHFFFAOYSA-N 0.000 claims abstract description 20
- -1 nano silver ions Chemical class 0.000 claims abstract description 19
- 239000001522 artemisia absinthium l. herb extract Substances 0.000 claims abstract description 14
- 239000002861 polymer material Substances 0.000 claims abstract description 14
- 229940119569 wormwood extract Drugs 0.000 claims abstract description 14
- 238000007747 plating Methods 0.000 claims abstract description 9
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 69
- 235000009051 Ambrosia paniculata var. peruviana Nutrition 0.000 claims description 66
- 235000003097 Artemisia absinthium Nutrition 0.000 claims description 66
- 235000017731 Artemisia dracunculus ssp. dracunculus Nutrition 0.000 claims description 66
- 235000003261 Artemisia vulgaris Nutrition 0.000 claims description 66
- 239000001138 artemisia absinthium Substances 0.000 claims description 66
- KDYFGRWQOYBRFD-UHFFFAOYSA-N succinic acid Chemical compound OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 claims description 66
- 239000000843 powder Substances 0.000 claims description 63
- 238000010992 reflux Methods 0.000 claims description 48
- 238000000605 extraction Methods 0.000 claims description 30
- 239000000469 ethanolic extract Substances 0.000 claims description 25
- 238000004108 freeze drying Methods 0.000 claims description 23
- 239000000126 substance Substances 0.000 claims description 23
- 241000334160 Isatis Species 0.000 claims description 18
- 238000005406 washing Methods 0.000 claims description 18
- 238000001035 drying Methods 0.000 claims description 16
- JDLKFOPOAOFWQN-VIFPVBQESA-N Allicin Natural products C=CCS[S@](=O)CC=C JDLKFOPOAOFWQN-VIFPVBQESA-N 0.000 claims description 13
- JDLKFOPOAOFWQN-UHFFFAOYSA-N allicin Chemical compound C=CCSS(=O)CC=C JDLKFOPOAOFWQN-UHFFFAOYSA-N 0.000 claims description 13
- 235000010081 allicin Nutrition 0.000 claims description 13
- 238000002844 melting Methods 0.000 claims description 7
- 230000008018 melting Effects 0.000 claims description 7
- 108010059892 Cellulase Proteins 0.000 claims description 6
- 229940106157 cellulase Drugs 0.000 claims description 6
- 108010059820 Polygalacturonase Proteins 0.000 claims description 5
- 108010093305 exopolygalacturonase Proteins 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 241000049464 Artemisia apiacea Species 0.000 claims description 2
- 235000011570 Artemisia caruifolia var apiacea Nutrition 0.000 claims description 2
- 238000004140 cleaning Methods 0.000 claims description 2
- 240000001851 Artemisia dracunculus Species 0.000 claims 7
- 239000003814 drug Substances 0.000 abstract description 10
- 241000700605 Viruses Species 0.000 abstract description 9
- 244000052616 bacterial pathogen Species 0.000 abstract description 8
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 240000006891 Artemisia vulgaris Species 0.000 description 59
- 239000010410 layer Substances 0.000 description 36
- 239000000853 adhesive Substances 0.000 description 24
- 230000001070 adhesive effect Effects 0.000 description 24
- 239000012535 impurity Substances 0.000 description 16
- 241000193830 Bacillus <bacterium> Species 0.000 description 12
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 12
- 108090000790 Enzymes Proteins 0.000 description 11
- 102000004190 Enzymes Human genes 0.000 description 11
- 229940088598 enzyme Drugs 0.000 description 11
- 230000003115 biocidal effect Effects 0.000 description 8
- 241000894006 Bacteria Species 0.000 description 7
- 238000004659 sterilization and disinfection Methods 0.000 description 7
- 239000000203 mixture Substances 0.000 description 6
- 241001252601 Blumea Species 0.000 description 5
- 235000017519 Artemisia princeps Nutrition 0.000 description 4
- 244000065027 Artemisia princeps Species 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 235000010894 Artemisia argyi Nutrition 0.000 description 3
- 241000588724 Escherichia coli Species 0.000 description 3
- 241000191967 Staphylococcus aureus Species 0.000 description 3
- 208000037386 Typhoid Diseases 0.000 description 3
- 208000001848 dysentery Diseases 0.000 description 3
- 230000002401 inhibitory effect Effects 0.000 description 3
- 230000002147 killing effect Effects 0.000 description 3
- 201000008297 typhoid fever Diseases 0.000 description 3
- 244000025254 Cannabis sativa Species 0.000 description 2
- 241000589517 Pseudomonas aeruginosa Species 0.000 description 2
- 239000012790 adhesive layer Substances 0.000 description 2
- 230000002155 anti-virotic effect Effects 0.000 description 2
- 244000030166 artemisia Species 0.000 description 2
- 206010013023 diphtheria Diseases 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241001435059 Artemisia argyi Species 0.000 description 1
- 244000063299 Bacillus subtilis Species 0.000 description 1
- 235000014469 Bacillus subtilis Nutrition 0.000 description 1
- 208000035473 Communicable disease Diseases 0.000 description 1
- 206010011409 Cross infection Diseases 0.000 description 1
- 208000004232 Enteritis Diseases 0.000 description 1
- 241000187479 Mycobacterium tuberculosis Species 0.000 description 1
- 206010029803 Nosocomial infection Diseases 0.000 description 1
- 241000192023 Sarcina Species 0.000 description 1
- 241000191940 Staphylococcus Species 0.000 description 1
- 241000191963 Staphylococcus epidermidis Species 0.000 description 1
- 241000194017 Streptococcus Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 230000003385 bacteriostatic effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 239000000645 desinfectant Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002949 hemolytic effect Effects 0.000 description 1
- 241000411851 herbal medicine Species 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 239000008176 lyophilized powder Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 210000004243 sweat Anatomy 0.000 description 1
- 241000701161 unidentified adenovirus Species 0.000 description 1
- 241001529453 unidentified herpesvirus Species 0.000 description 1
- 241000712461 unidentified influenza virus Species 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS 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
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/16—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using chemical substances
- A61L2/23—Solid substances, e.g. granules, powders, blocks, tablets
- A61L2/232—Solid substances, e.g. granules, powders, blocks, tablets layered or coated
-
- 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
- A01N41/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a sulfur atom bound to a hetero atom
- A01N41/02—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a sulfur atom bound to a hetero atom containing a sulfur-to-oxygen double bond
-
- 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
-
- 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
- A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts 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
- A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
- A01N65/08—Magnoliopsida [dicotyledons]
-
- 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
- A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
- A01N65/08—Magnoliopsida [dicotyledons]
- A01N65/12—Asteraceae or Compositae [Aster or Sunflower family], e.g. daisy, pyrethrum, artichoke, lettuce, sunflower, wormwood or tarragon
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental Sciences (AREA)
- Wood Science & Technology (AREA)
- Plant Pathology (AREA)
- Zoology (AREA)
- Dentistry (AREA)
- Agronomy & Crop Science (AREA)
- Biotechnology (AREA)
- Mycology (AREA)
- Chemical & Material Sciences (AREA)
- Microbiology (AREA)
- Natural Medicines & Medicinal Plants (AREA)
- Pest Control & Pesticides (AREA)
- Botany (AREA)
- Inorganic Chemistry (AREA)
- Medicinal Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Epidemiology (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention provides an antiviral and antibacterial adhesive film and a preparation method thereof, and relates to the technical field of medical supplies. The antiviral and antibacterial adhesive film comprises a hydrosol layer, an antibacterial and wear-resistant base material and a nano silver ion layer which are sequentially arranged, wherein the antibacterial and wear-resistant base material comprises a wormwood extract, a sweet wormwood extract, a radix isatidis extract and garlicin. The invention has the advantages that the antiviral and antibacterial adhesive film can kill virus and germs infected on the surface in a short time, has long-acting antiviral and antibacterial effects, can effectively avoid the transmission of germs between people, and can ensure that the traditional Chinese medicine antibacterial components and the nano silver ions can stably exist on the antibacterial and wear-resistant base material by mixing the wear-resistant high polymer material and various traditional Chinese medicine antibacterial components and plating the nano silver ions on the antibacterial and wear-resistant base material so as to provide a basis for the long-acting antiviral and antibacterial effects of the antiviral and antibacterial adhesive film.
Description
Technical Field
The invention relates to the technical field of medical supplies, in particular to an antiviral and antibacterial adhesive film and a preparation method thereof.
Background
In daily life, the mobile phone is very frequently used and is often contacted with various articles in life inadvertently, so that a plurality of viruses and bacteria are hidden on the outer surface of the mobile phone, and if the viruses and bacteria are not removed in time, the health of people can be possibly influenced. Meanwhile, a large amount of virus bacteria can be hidden on the surfaces of articles used by many people such as elevator buttons, bus handrails, gate pull rods, door handles, faucet switches and closestool buttons in public places such as hospitals, schools, shops, public toilets and public bathrooms, and if disinfection measures are not made, many people can be infected with virus bacteria, disinfection of shared articles and personal articles in public environments is made, and the method is an effective measure for cutting off the transmission path of various infectious diseases.
However, at present, the disinfection of common goods and personal goods in public environment is carried out by using 75% alcohol, and the disinfection of places or areas with larger consumption is carried out by using bus disinfectant. However, these disinfection methods require repeated disinfection at certain time intervals, which increases various labor costs for repeated disinfection in public environments, and simultaneously, the antiviral and antibacterial effects are gradually weakened with time, and the duration of antiviral and antibacterial is short.
The adhesive film is a common adhesive film in our lives, but the common adhesive film has simple functions and only can play the roles of beautifying, preventing abrasion, preventing dust, sweat stain and other common dirt. Therefore, if an adhesive film with antiviral and antibacterial effects can be developed, the risks of personal diseases and cross-infection in public environments can be greatly reduced.
Disclosure of Invention
The invention aims to provide an antiviral and antibacterial adhesive film which has long-acting antiviral and antibacterial effects and can effectively avoid the spread of germs between people.
The invention also aims to provide a preparation method of the antiviral and antibacterial adhesive film, which provides a basis for long-acting antiviral and antibacterial effects of the antiviral and antibacterial adhesive film by premixing the high-molecular wear-resistant material and the antibacterial substance and plating the nano silver ions on the antibacterial wear-resistant base material.
The technical problem to be solved by the invention is realized by adopting the following technical scheme.
On the one hand, this application embodiment provides an antiviral antibiotic pad pasting, including hydrosol layer, antibiotic wear-resisting substrate, antibiotic layer and the nanometer silver ion layer that sets gradually, contain chinese mugwort grass extract, sweet wormwood herb extract, isatis root extract and garlicin in the antibiotic wear-resisting substrate.
On the other hand, the embodiment of the application provides a preparation method of an antiviral and antibacterial adhesive film, which comprises the following steps: mixing the wormwood extract, the sweet wormwood extract, the isatis root extract and the allicin to obtain an antibacterial substance, melting a wear-resistant high polymer material, adding the antibacterial substance, uniformly mixing and solidifying to obtain the antibacterial wear-resistant base material, plating nano silver ions on the antibacterial layer to obtain the antibacterial wear-resistant base material containing the nano silver ion layer, and attaching the antibacterial wear-resistant base material and hydrosol to obtain the antiviral antibacterial adhesive film containing the hydrosol layer, the antibacterial wear-resistant base material and the nano silver ion layer.
In summary, compared with the prior art, the embodiments of the present invention have at least the following advantages or beneficial effects:
the antiviral and antibacterial adhesive film provided by the invention has the advantages that the antibacterial layer containing various traditional Chinese medicine components and the nano silver ion layer capable of continuously releasing nano silver ions are prepared, so that virus and germs infected on the surface can be killed in a short time, the antiviral and antibacterial effect of the antiviral and antibacterial adhesive film can be kept for a long time, and meanwhile, the nano silver ions and various traditional Chinese medicine components have synergistic effects, so that the antibacterial capability of the antiviral and antibacterial adhesive film is favorably improved, the spread of germs between people can be effectively avoided, and the antiviral and antibacterial adhesive film plays a positive promoting role in preventing disease infection. In addition, the preparation method of the antiviral and antibacterial adhesive film provided by the invention is characterized in that the antibacterial wear-resistant base material is soaked in various traditional Chinese medicine components in advance, and then the nano silver ions are plated on the antibacterial wear-resistant base material, so that the traditional Chinese medicine antibacterial components and the nano silver ions can stably exist on the antibacterial wear-resistant base material, and a foundation is provided for long-acting antiviral and antibacterial effects of the antiviral and antibacterial adhesive film.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below. The examples, in which specific conditions are not specified, were conducted under conventional conditions or conditions recommended by the manufacturer. The reagents or instruments used are not indicated by the manufacturer, and are all conventional products available commercially.
The embodiment of the application provides an antiviral antibiotic pad pasting, including hydrosol layer, antibiotic wear-resisting substrate, antibiotic layer and the nanometer silver ion layer that sets gradually, contain chinese mugwort grass extract, sweet wormwood herb extract, isatis root extract and garlicin in the antibiotic wear-resisting substrate.
In some embodiments of the present invention, in the above antiviral and antibacterial adhesive film, the mass ratio of the wormwood oil to the wormwood ethanol extract in the wormwood extract is 1: 2.
In some embodiments of the present invention, in the antiviral and antibacterial adhesive film, the blumea oil is prepared by washing fresh blumea, freeze-drying at a low temperature to obtain a freeze-dried blumea powder, mixing the freeze-dried blumea powder with cellulase and pectinase for enzymolysis, and distilling to obtain the blumea oil.
In some embodiments of the present invention, in the antiviral and antibacterial adhesive film, the wormwood ethanol extract is prepared by cleaning fresh wormwood, freeze-drying at a low temperature to obtain wormwood freeze-dried powder, dissolving the wormwood freeze-dried powder in 65% -80% ethanol solution, reflux-extracting for 1-1.5 h, repeating for 2-3 times, combining the extracting solutions, reflux-extracting at a temperature of 50-60 ℃, and drying the extracting solutions under reduced pressure to obtain the wormwood ethanol extract.
In some embodiments of the invention, in the antiviral and antibacterial adhesive film, fresh sweet wormwood is washed and then freeze-dried at low temperature to prepare sweet wormwood freeze-dried powder, the sweet wormwood freeze-dried powder is dissolved in 80-90% ethanol solution for reflux extraction for 1.5-2.5 h, the reflux extraction is repeated for 2-3 times, the extracting solutions are combined, the reflux extraction temperature is 50-60 ℃, and the extracting solution is dried under reduced pressure at 65-75 ℃ to obtain sweet wormwood ethanol extract.
In some embodiments of the present invention, in the antiviral and antibacterial adhesive film, a weight ratio of the sweet wormwood freeze-dried powder to the ethanol solution is 1: 15-20.
In some embodiments of the present invention, in the antiviral and antibacterial adhesive film, fresh radix isatidis is cleaned and then is subjected to low-temperature freeze drying to prepare radix isatidis freeze-dried powder, the radix isatidis freeze-dried powder is dissolved in 75% -85% ethanol solution for reflux extraction for 1.5-2 h, the reflux extraction is repeated for 2-3 times, the extract solutions are combined, the reflux extraction temperature is 50-60 ℃, and the extract solution is subjected to reduced pressure drying at 65-75 ℃ to obtain the radix isatidis ethanol extract.
In some embodiments of the invention, the weight ratio of the isatis root lyophilized powder to the ethanol solution in the antiviral and antibacterial adhesive film is 1: 20-25.
On the other hand, the embodiment of the present application provides a preparation method of the foregoing antiviral and antibacterial adhesive film, including the following steps: mixing the wormwood extract, the sweet wormwood extract, the isatis root extract and the allicin to obtain an antibacterial substance, melting a wear-resistant high polymer material, adding the antibacterial substance, uniformly mixing and solidifying to obtain the antibacterial wear-resistant base material, plating nano silver ions on the antibacterial layer to obtain the antibacterial wear-resistant base material containing the nano silver ion layer, and attaching the antibacterial wear-resistant base material and hydrosol to obtain the antiviral antibacterial adhesive film containing the hydrosol layer, the antibacterial wear-resistant base material and the nano silver ion layer.
In some embodiments of the present invention, the wormwood extract, the artemisia apiacea extract, the isatis root extract and the allicin are mixed in equal ratio in the above preparation method.
The features and properties of the present invention are described in further detail below with reference to examples.
Example 1
The present embodiment is directed to an antiviral and antibacterial adhesive film.
1. Material preparation
Preparing a hydrosol layer, an antibacterial wear-resistant base material, fresh wormwood, fresh isatis root and allicin, wherein the wear-resistant high polymer material, the acrylic double-sided adhesive and the allicin are all commercially available products, the hydrosol layer can be the existing acrylic double-sided adhesive on the market, or other water-soluble adhesives, if other water-soluble adhesives are selected, the water-soluble adhesives are coated on one side of the antibacterial wear-resistant base material, which is not provided with the nano silver ion layer, but are preferably the acrylic double-sided adhesive.
1.1 preparation of Artemisia princeps Pampanini extract
Removing dead leaves, roots and stale parts of fresh wormwood, washing off impurities such as silt and the like, putting the fresh wormwood into a low-temperature freeze dryer to prepare a freeze-dried product by using a low-temperature freeze drying technology, crushing the freeze-dried product to prepare wormwood freeze-dried powder, adding the wormwood freeze-dried powder into a mixed enzyme solution according to a material-liquid ratio of 1:20, carrying out enzymolysis on the mixture solution at 45 ℃ for 1.5-2 h, and distilling the enzymolysis solution for 8h to obtain wormwood oil, wherein the mass percent of cellulase in the mixed enzyme solution is 1% and the mass percent of pectinase in the mixed enzyme solution is 2%;
removing dead leaves, roots and stale parts of fresh wormwood, washing off impurities such as silt, putting the fresh wormwood into a low-temperature freeze dryer to prepare a freeze-dried product by using a low-temperature freeze drying technology, crushing the freeze-dried product to prepare wormwood freeze-dried powder, dissolving the wormwood freeze-dried powder into 80% ethanol solution, performing reflux extraction for 1h, repeatedly performing reflux extraction for 2-3 times at a weight ratio of the wormwood freeze-dried powder to the ethanol solution of 1:15, combining extracting solutions, performing reflux extraction at the temperature of 55 ℃, and performing reduced pressure drying on the extracting solutions at the temperature of 65 ℃ to obtain wormwood ethanol extracts;
mixing the folium Artemisiae Argyi oil and folium Artemisiae Argyi ethanol extract at a ratio of 1:2 to obtain folium Artemisiae Argyi extract.
1.2 preparation of Artemisia annua extract
Removing dead leaves, roots and stale parts of fresh sweet wormwood, washing off impurities such as silt, putting the fresh sweet wormwood into a low-temperature freeze dryer to prepare a freeze-dried product by using a low-temperature freeze drying technology, crushing the freeze-dried sweet wormwood to prepare sweet wormwood freeze-dried powder, dissolving the sweet wormwood freeze-dried powder into 80% ethanol solution, extracting the solution for 1.5 to 2.5 hours under reflux, repeatedly extracting the freeze-dried sweet wormwood powder and the ethanol solution for 2 to 3 times under reflux at a weight ratio of 1:15, combining extracting solutions, extracting under reflux at a temperature of 60 ℃, and drying the extracting solution at 65 ℃ under reduced pressure to obtain the sweet wormwood ethanol extract.
1.3 preparation of Isatis root extract
Removing leaves, rotten roots and other stale parts of the fresh radix isatidis, leaving fresh rhizome parts, washing off impurities such as silt and the like, putting the fresh radix isatidis into a low-temperature freeze dryer, preparing a freeze-dried product by using a low-temperature freeze drying technology, crushing the freeze-dried product to prepare radix isatidis powder, dissolving the radix isatidis powder in 85% ethanol solution, extracting for 1.5 hours under reflux, repeatedly extracting for 2-3 times under reflux, combining extracting solutions, drying the extracting solutions under reduced pressure at the temperature of 75 ℃ to obtain the radix isatidis ethanol extract, wherein the weight ratio of the radix isatidis powder to the ethanol solution is 1:20, and the extracting temperature is 60 ℃.
2. Preparation of antibacterial adhesive film
Mixing folium Artemisiae Argyi extract, herba Artemisiae Annuae extract, radix Isatidis extract and garlicin at equal ratio to obtain antibacterial substance; melting the wear-resistant polymer material, adding the antibacterial substance, uniformly mixing, and solidifying to obtain an antibacterial wear-resistant base material with the antibacterial substance; and plating nano silver ions on the antibacterial wear-resistant base material, and finally, attaching the antibacterial wear-resistant base material to the hydrosol to obtain the antibacterial adhesive film, wherein the antibacterial adhesive film comprises the hydrosol layer, the antibacterial wear-resistant base material (containing antibacterial substances) and the nano silver ion layer.
Example 2
The present embodiment is directed to an antiviral and antibacterial adhesive film.
1. Material preparation
Preparing a hydrosol layer, an antibacterial wear-resistant base material, fresh wormwood, fresh isatis root and allicin, wherein the wear-resistant high polymer material, the acrylic double-sided adhesive and the allicin are all commercially available products, the hydrosol layer can be the existing acrylic double-sided adhesive on the market, or other water-soluble adhesives, if other water-soluble adhesives are selected, the water-soluble adhesives are coated on one side of the antibacterial wear-resistant base material, which is not provided with the nano silver ion layer, but are preferably the acrylic double-sided adhesive.
1.1 preparation of Artemisia princeps Pampanini extract
Removing dead leaves, roots and stale parts of fresh wormwood, washing off impurities such as silt and the like, putting the fresh wormwood into a low-temperature freeze dryer to prepare a freeze-dried product by using a low-temperature freeze drying technology, crushing the freeze-dried product to prepare wormwood freeze-dried powder, adding the wormwood freeze-dried powder into a mixed enzyme solution according to a material-liquid ratio of 1:22, carrying out enzymolysis on the mixture solution at 50 ℃ for 1.5-2 h, and distilling an enzymolysis solution for 8h to obtain wormwood oil, wherein the mass percent of cellulase in the mixed enzyme solution is 2% and the mass percent of pectinase in the mixed enzyme solution is 3%;
removing dead leaves, roots and stale parts of fresh wormwood, washing off impurities such as silt, putting the fresh wormwood into a low-temperature freeze dryer to prepare a freeze-dried product by using a low-temperature freeze drying technology, crushing the freeze-dried product to prepare wormwood freeze-dried powder, dissolving the wormwood freeze-dried powder into a 65% ethanol solution, performing reflux extraction for 1.5h, wherein the weight ratio of the wormwood freeze-dried powder to the ethanol solution is 1:16, performing reflux extraction for 2-3 times, combining extracting solutions, performing reflux extraction at the temperature of 50 ℃, and performing reduced pressure drying on the extracting solution at the temperature of 70 ℃ to obtain a wormwood ethanol extract;
mixing the folium Artemisiae Argyi oil and folium Artemisiae Argyi ethanol extract at a ratio of 1:2 to obtain folium Artemisiae Argyi extract.
1.2 preparation of Artemisia annua extract
Removing dead leaves, roots and stale parts of fresh sweet wormwood, washing off impurities such as silt, putting the fresh sweet wormwood into a low-temperature freeze dryer to prepare a freeze-dried product by using a low-temperature freeze drying technology, crushing the freeze-dried sweet wormwood to prepare sweet wormwood freeze-dried powder, dissolving the sweet wormwood freeze-dried powder into a 90% ethanol solution, performing reflux extraction for 1.5-2.5 h, repeatedly performing reflux extraction for 2-3 times at a weight ratio of the sweet wormwood freeze-dried powder to the ethanol solution of 1:18, combining extracting solutions, performing reflux extraction at the temperature of 55 ℃, and drying the extracting solutions at the temperature of 75 ℃ under reduced pressure to obtain the sweet wormwood ethanol extract.
1.3 preparation of Isatis root extract
Removing leaves, rotten roots and other stale parts of the fresh radix isatidis, leaving fresh rhizome parts, washing off impurities such as silt and the like, putting the fresh radix isatidis into a low-temperature freeze dryer, preparing a freeze-dried product by using a low-temperature freeze drying technology, crushing the freeze-dried product to prepare radix isatidis powder, dissolving the radix isatidis powder in 80% ethanol solution, extracting for 2 hours under reflux, repeatedly extracting for 2-3 times under reflux, combining extracting solutions, reducing the reflux extraction temperature to 65 ℃, and drying the extracting solutions under reduced pressure at 70 ℃ to obtain the radix isatidis ethanol extract.
2. Preparation of antibacterial adhesive film
Mixing folium Artemisiae Argyi extract, herba Artemisiae Annuae extract, radix Isatidis extract and garlicin at equal ratio to obtain antibacterial substance; melting the wear-resistant polymer material, adding the antibacterial substance, uniformly mixing, and solidifying to obtain an antibacterial wear-resistant base material with the antibacterial substance; and plating nano silver ions on the antibacterial wear-resistant base material, and finally, attaching the antibacterial wear-resistant base material to the hydrosol to obtain the antibacterial adhesive film, wherein the antibacterial adhesive film comprises the hydrosol layer, the antibacterial wear-resistant base material (containing antibacterial substances) and the nano silver ion layer.
Example 3
The present embodiment is directed to an antiviral and antibacterial adhesive film.
1. Material preparation
Preparing a water soluble adhesive layer, a wear-resistant high polymer material, fresh wormwood, fresh isatis root and allicin, wherein the wear-resistant high polymer material, the acrylic double-sided adhesive and the allicin are all commercially available products, the water soluble adhesive layer can be the existing acrylic double-sided adhesive on the market, or other water-soluble adhesives, if other water-soluble adhesives are selected, the water-soluble adhesives are coated on the side, not provided with the nano silver ion layer, of the antibacterial wear-resistant base material, but the acrylic double-sided adhesive is preferably selected.
1.1 preparation of Artemisia princeps Pampanini extract
Removing dead leaves, roots and stale parts of fresh wormwood, washing off impurities such as silt and the like, putting the fresh wormwood into a low-temperature freeze dryer to prepare a freeze-dried product by using a low-temperature freeze drying technology, crushing the freeze-dried product to prepare wormwood freeze-dried powder, adding the wormwood freeze-dried powder into a mixed enzyme solution according to a material-liquid ratio of 1:25, carrying out enzymolysis on the wormwood freeze-dried powder for 1.5-2 h at 50 ℃ for 8h, and distilling the enzymolysis solution to obtain wormwood oil, wherein the mass percent of cellulase in the mixed enzyme solution is 3% and the mass percent of pectinase in the mixed enzyme solution is 4%;
removing dead leaves, roots and stale parts of fresh wormwood, washing off impurities such as silt, putting the fresh wormwood into a low-temperature freeze dryer to prepare a freeze-dried product by using a low-temperature freeze drying technology, crushing the freeze-dried product to prepare wormwood freeze-dried powder, dissolving the wormwood freeze-dried powder into a 70% ethanol solution, performing reflux extraction for 1h, repeatedly performing reflux extraction for 2-3 times at a weight ratio of the wormwood freeze-dried powder to the ethanol solution of 1:18, combining extracting solutions, performing reflux extraction at a temperature of 60 ℃, and performing reduced pressure drying on the extracting solutions at a temperature of 65 ℃ to obtain wormwood ethanol extracts;
mixing the folium Artemisiae Argyi oil and folium Artemisiae Argyi ethanol extract at a ratio of 1:2 to obtain folium Artemisiae Argyi extract.
1.2 preparation of Artemisia annua extract
Removing dead leaves, roots and stale parts of fresh sweet wormwood, washing off impurities such as silt, putting the fresh sweet wormwood into a low-temperature freeze dryer to prepare a freeze-dried product by using a low-temperature freeze drying technology, crushing the freeze-dried sweet wormwood to prepare sweet wormwood freeze-dried powder, dissolving the sweet wormwood freeze-dried powder into 85% ethanol solution, extracting the mixture for 1.5 to 2.5 hours under reflux, repeatedly extracting the mixture for 2 to 3 times under reflux at the weight ratio of the sweet wormwood freeze-dried powder to the ethanol solution of 1:20, combining extracting solutions, extracting under reflux at the temperature of 50 ℃, and drying the extracting solutions at the temperature of 70 ℃ under reduced pressure to obtain the sweet wormwood ethanol.
1.3 preparation of Isatis root extract
Removing leaves, rotten roots and other stale parts of the fresh radix isatidis, leaving fresh rhizome parts, washing off impurities such as silt and the like, putting the fresh radix isatidis into a low-temperature freeze dryer, preparing a freeze-dried product by using a low-temperature freeze drying technology, crushing the freeze-dried product to prepare radix isatidis powder, dissolving the radix isatidis powder in 75% ethanol solution, extracting for 1.5 hours under reflux, repeatedly extracting for 2-3 times under reflux, combining extracting solutions, and drying the extracting solutions at 70 ℃ under reduced pressure to obtain the radix isatidis ethanol extract.
2. Preparation of antibacterial adhesive film
Mixing folium Artemisiae Argyi extract, herba Artemisiae Annuae extract, radix Isatidis extract and garlicin at equal ratio to obtain antibacterial substance; melting the wear-resistant polymer material, adding the antibacterial substance, uniformly mixing, and solidifying to obtain an antibacterial wear-resistant base material with the antibacterial substance; and plating nano silver ions on the antibacterial wear-resistant base material, and finally, attaching the antibacterial wear-resistant base material to the hydrosol to obtain the antibacterial adhesive film, wherein the antibacterial adhesive film comprises the hydrosol layer, the antibacterial wear-resistant base material (containing antibacterial substances) and the nano silver ion layer.
Example 4
The present embodiment is directed to an antiviral and antibacterial adhesive film.
1. Material preparation
Preparing a hydrosol layer, a wear-resistant high polymer material, fresh wormwood, fresh sweet wormwood, fresh radix isatidis and garlicin, wherein the antibacterial wear-resistant base material, the acrylic double-sided adhesive and the garlicin are all commercially available products, the hydrosol layer can be the existing acrylic double-sided adhesive on the market, or other water-soluble adhesives, if other water-soluble adhesives are selected, the water-soluble adhesives are coated on one side of the antibacterial wear-resistant base material, which is not provided with the nano silver ion layer, but are preferably the acrylic double-sided adhesive.
1.1 preparation of Artemisia princeps Pampanini extract
Removing dead leaves, roots and stale parts of fresh wormwood, washing off impurities such as silt and the like, putting the fresh wormwood into a low-temperature freeze dryer to prepare a freeze-dried product by using a low-temperature freeze drying technology, crushing the freeze-dried product to prepare wormwood freeze-dried powder, adding the wormwood freeze-dried powder into a mixed enzyme solution according to a material-liquid ratio of 1:20, carrying out enzymolysis on the wormwood freeze-dried powder for 1.5-2 h at 45 ℃ for 2% by mass of cellulase in the mixed enzyme solution, and distilling the enzymolysis solution for 8h to obtain wormwood leaf oil;
removing dead leaves, roots and stale parts of fresh wormwood, washing off impurities such as silt, putting the fresh wormwood into a low-temperature freeze dryer to prepare a freeze-dried product by using a low-temperature freeze drying technology, crushing the freeze-dried product to prepare wormwood freeze-dried powder, dissolving the wormwood freeze-dried powder into a 75% ethanol solution, performing reflux extraction for 1.5 hours, repeatedly performing reflux extraction for 2-3 times at a weight ratio of the wormwood freeze-dried powder to the ethanol solution of 1:17, combining extracting solutions, performing reflux extraction at a temperature of 55 ℃, and performing reduced pressure drying on the extracting solutions at a temperature of 70 ℃ to obtain wormwood ethanol extracts;
mixing the folium Artemisiae Argyi oil and folium Artemisiae Argyi ethanol extract at a ratio of 1:2 to obtain folium Artemisiae Argyi extract.
1.2 preparation of Artemisia annua extract
Removing dead leaves, roots and stale parts of fresh sweet wormwood, washing off impurities such as silt, putting the fresh sweet wormwood into a low-temperature freeze dryer to prepare a freeze-dried product by using a low-temperature freeze drying technology, crushing the freeze-dried sweet wormwood to prepare sweet wormwood freeze-dried powder, dissolving the sweet wormwood freeze-dried powder into 85% ethanol solution, extracting the mixture for 1.5 to 2.5 hours under reflux, repeatedly extracting the mixture for 2 to 3 times under reflux at the weight ratio of the sweet wormwood freeze-dried powder to the ethanol solution of 1:20, combining extracting solutions, performing reflux extraction at the temperature of 55 ℃, and drying the extracting solutions at the temperature of 70 ℃ under reduced pressure to obtain the sweet wormwood ethanol.
1.3 preparation of Isatis root extract
Removing leaves, rotten roots and other stale parts of the fresh radix isatidis, leaving fresh rhizome parts, washing off impurities such as silt and the like, putting the fresh radix isatidis into a low-temperature freeze dryer, preparing a freeze-dried product by using a low-temperature freeze drying technology, crushing the freeze-dried product to prepare radix isatidis powder, dissolving the radix isatidis powder in 75% ethanol solution, extracting for 1.5 hours under reflux, repeatedly extracting for 2-3 times under reflux, combining extracting solutions, and drying the extracting solutions at 70 ℃ under reduced pressure to obtain the radix isatidis ethanol extract, wherein the weight ratio of the radix isatidis powder to the ethanol solution is 1: 22.
2. Preparation of antibacterial adhesive film
Mixing folium Artemisiae Argyi extract, herba Artemisiae Annuae extract, radix Isatidis extract and garlicin at equal ratio to obtain antibacterial substance; melting the wear-resistant polymer material, adding the antibacterial substance, uniformly mixing, and solidifying to obtain an antibacterial wear-resistant base material with the antibacterial substance; and plating nano silver ions on the antibacterial wear-resistant base material, and finally, attaching the antibacterial wear-resistant base material to the hydrosol to obtain the antibacterial adhesive film, wherein the antibacterial adhesive film comprises the hydrosol layer, the antibacterial wear-resistant base material (containing antibacterial substances) and the nano silver ion layer.
The application scenarios of the antiviral and antibacterial adhesive film provided by the invention include but are not limited to:
firstly, the anti-virus and anti-bacterial adhesive film is adhered to the outer surface of a mobile phone and is used for resisting bacteria carried by the hand of a user or viruses and bacteria in other environments;
and secondly, the antiviral and antibacterial adhesive film is adhered to the surfaces of the elevator button keys, the handrails and the like.
Thirdly, the anti-virus and anti-bacterial adhesive film is adhered to the surfaces of the handrails and the handrails of the bus.
And fourthly, the antiviral and antibacterial adhesive film is adhered to the surfaces of articles used by a plurality of people in public places such as hospitals, schools, shops, public toilets, public bathrooms and the like, such as a gate pull rod, a door handle, a faucet switch, a closestool button and the like.
Fifthly, the antiviral and antibacterial adhesive film is adhered to the surfaces of a household door handle, a faucet switch and a closestool button.
Through a large amount of use feedback, the antiviral and antibacterial ability of the antiviral and antibacterial adhesive film provided by the embodiment can reach 99.9%, the service life of a single antiviral and antibacterial adhesive film can at least reach more than one year, in general, the antiviral and antibacterial ability of the antiviral and antibacterial adhesive films provided by the embodiments 2 and 4 is strongest, and can at least reach more than one and a half years, and the effect of the antiviral and antibacterial adhesive film provided by the embodiment 4 is better than that of the antiviral and antibacterial adhesive film provided by the embodiment 2.
In conclusion, the antiviral and antibacterial adhesive film disclosed by the embodiment of the invention is prepared by compounding different Chinese herbal medicine extracts into an antibacterial solution, wherein the moxa oil has a better killing effect on various cold viruses, the moxa oil and the moxa ethanol extract have different degrees of killing effects on 14 pathogenic bacteria such as staphylococcus aureus, beta hemolytic streptococcus, escherichia coli, diphtheria bacillus, typhoid fever and paratyphoid bacillus, mycobacterium tuberculosis, pseudomonas aeruginosa and the like, and have a certain inhibiting effect on adenovirus, influenza virus, herpes virus and the like; the sweet wormwood herb extract has strong bacteriostatic action on staphylococcus epidermidis, catacoccus and diphtheria bacillus, also has inhibitory action on staphylococcus aureus, pseudomonas aeruginosa, dysentery bacillus, escherichia coli, type A and type B paratyphoid bacillus, tubercle bacillus and the like, and the isatis root extract can effectively inhibit bacillus subtilis, staphylococcus aureus, sarcina, escherichia coli, typhoid bacillus, paratyphoid bacillus, dysentery bacillus and enteritis bacillus; the allicin can inhibit the propagation of dysentery bacillus and typhoid bacillus, and has obvious inhibiting and killing effect on staphylococcus, pneumococcus and the like. On the whole, through extracting different components of the wormwood and mixing, the overall antiviral and antibacterial capacity is fully improved, meanwhile, various active ingredients in the wormwood are fully extracted by combining low-temperature freeze drying, enzymolysis and reflux extraction, and then the artemisia argyi extract, the isatis root extract and the allicin are compounded, so that the antibacterial and antiviral capacity of the antibacterial solution can reach the optimum, various common germs can be resisted, an antibacterial layer containing various traditional Chinese medicine components and a nano silver ion layer capable of continuously releasing nano silver ions are prepared, the antiviral and antibacterial adhesive film can continuously resist viruses and bacteria, and meanwhile, the nano silver ions and various traditional Chinese medicine components have synergistic effect, the antibacterial capacity of the antiviral and antibacterial adhesive film is favorably improved, and the spread of germs between people can be effectively avoided. In addition, the preparation method of the antiviral and antibacterial adhesive film provided by the invention mixes the wear-resistant high polymer material with various traditional Chinese medicine antibacterial components, and then plates the nano silver ions on the antibacterial and wear-resistant base material, so that the traditional Chinese medicine antibacterial components and the nano silver ions can stably exist on the antibacterial and wear-resistant base material, a foundation is provided for long-acting antiviral and antibacterial of the antiviral and antibacterial adhesive film, and the optimal antiviral and antibacterial effects can be achieved by combining the various important antibacterial components and the nano silver ions.
The embodiments described above are some, but not all embodiments of the invention. The detailed description of the embodiments of the present invention is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Claims (10)
1. The antiviral and antibacterial adhesive film is characterized by comprising an aqueous sol layer, an antibacterial wear-resistant base material and a nano silver ion layer which are sequentially arranged, wherein the antibacterial wear-resistant base material comprises a wormwood extract, a sweet wormwood extract, a radix isatidis extract and garlicin.
2. The antiviral and antibacterial adhesive film according to claim 1, wherein the mass ratio of the wormwood oil and the wormwood ethanol extract in the wormwood extract is 1: 2.
3. The antiviral and antibacterial adhesive film according to claim 2, wherein the moxa oil is prepared by washing fresh moxa, freeze-drying at low temperature to obtain freeze-dried moxa powder, mixing the freeze-dried moxa powder with cellulase and pectinase for enzymolysis, and distilling to obtain the moxa oil.
4. The antiviral and antibacterial adhesive film according to claim 2, wherein the wormwood ethanol extract is prepared by cleaning fresh wormwood, freeze-drying at low temperature to prepare wormwood freeze-dried powder, dissolving the wormwood freeze-dried powder in 65-80% ethanol solution, extracting under reflux for 1-1.5 h, repeating for 2-3 times, combining extracting solutions, extracting under reflux at 50-60 ℃, and drying the extracting solutions under reduced pressure to obtain the wormwood ethanol extract.
5. The antiviral and antibacterial adhesive film according to claim 1, wherein fresh sweet wormwood is cleaned and then freeze-dried at low temperature to prepare sweet wormwood freeze-dried powder, the sweet wormwood freeze-dried powder is dissolved in 80-90% ethanol solution for reflux extraction for 1.5-2.5 h, the reflux extraction is repeated for 2-3 times, the extracting solutions are combined, the reflux extraction temperature is 50-60 ℃, and the extracting solution is dried under reduced pressure at 65-75 ℃ to obtain sweet wormwood ethanol extract.
6. The antiviral and antibacterial adhesive film according to claim 5, wherein the weight ratio of the sweet wormwood herb freeze-dried powder to the ethanol solution is 1: 15-20.
7. The antiviral and antibacterial adhesive film according to claim 1, wherein fresh radix isatidis is cleaned and then is subjected to low-temperature freeze drying to prepare radix isatidis freeze-dried powder, the radix isatidis freeze-dried powder is dissolved in 75% -85% ethanol solution for reflux extraction for 1.5-2 h, the reflux extraction is repeated for 2-3 times, the extracting solutions are combined, the reflux extraction temperature is 50-60 ℃, and the extracting solutions are subjected to reduced pressure drying at 65-75 ℃ to obtain the radix isatidis ethanol extract.
8. The antiviral and antibacterial adhesive film according to claim 7, wherein the weight ratio of the isatis root freeze-dried powder to the ethanol solution is 1: 20-25.
9. A method for preparing an antiviral and antibacterial adhesive film according to any one of claims 1 to 8, comprising the steps of: mixing a wormwood extract, a sweet wormwood extract, an isatis root extract and allicin to obtain an antibacterial substance, melting a wear-resistant high polymer material, adding the antibacterial substance, uniformly mixing and solidifying to obtain the antibacterial wear-resistant base material, plating nano silver ions on the antibacterial layer to obtain the antibacterial wear-resistant base material containing a nano silver ion layer, and attaching the antibacterial wear-resistant base material and hydrosol to obtain the antiviral antibacterial adhesive film containing the hydrosol layer, the antibacterial wear-resistant base material and the nano silver ion layer.
10. The method of claim 9, wherein the wormwood extract, the artemisia apiacea extract, the isatis root extract and the allicin are mixed in equal proportions.
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