CN111437660A - Nano-silver disinfection and antibiosis air filter element and preparation method thereof - Google Patents
Nano-silver disinfection and antibiosis air filter element and preparation method thereof Download PDFInfo
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- CN111437660A CN111437660A CN202010348193.5A CN202010348193A CN111437660A CN 111437660 A CN111437660 A CN 111437660A CN 202010348193 A CN202010348193 A CN 202010348193A CN 111437660 A CN111437660 A CN 111437660A
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- 238000004659 sterilization and disinfection Methods 0.000 title claims abstract description 177
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 title claims abstract description 161
- 230000003115 biocidal effect Effects 0.000 title claims abstract description 106
- 238000002360 preparation method Methods 0.000 title claims abstract description 37
- 239000004745 nonwoven fabric Substances 0.000 claims abstract description 123
- 230000000844 anti-bacterial effect Effects 0.000 claims abstract description 89
- 230000002209 hydrophobic effect Effects 0.000 claims abstract description 65
- 239000002245 particle Substances 0.000 claims abstract description 23
- 229910052709 silver Inorganic materials 0.000 claims abstract description 18
- 239000004332 silver Substances 0.000 claims abstract description 18
- 230000001954 sterilising effect Effects 0.000 claims abstract description 13
- -1 silver ions Chemical class 0.000 claims abstract description 9
- 238000001035 drying Methods 0.000 claims description 16
- 238000002791 soaking Methods 0.000 claims description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 14
- 229920003023 plastic Polymers 0.000 claims description 14
- 239000004033 plastic Substances 0.000 claims description 14
- 238000003825 pressing Methods 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 12
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 claims description 10
- 229910052799 carbon Inorganic materials 0.000 claims description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- 150000007522 mineralic acids Chemical class 0.000 claims description 5
- 229910001961 silver nitrate Inorganic materials 0.000 claims description 5
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 4
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 4
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims description 4
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 241000894006 Bacteria Species 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 11
- 238000001914 filtration Methods 0.000 abstract description 9
- 241000700605 Viruses Species 0.000 abstract description 8
- 239000007788 liquid Substances 0.000 abstract description 7
- 239000000463 material Substances 0.000 abstract description 5
- 108010081750 Reticulin Proteins 0.000 abstract description 3
- 239000002657 fibrous material Substances 0.000 abstract description 3
- 239000002341 toxic gas Substances 0.000 abstract description 3
- OGFYIDCVDSATDC-UHFFFAOYSA-N silver silver Chemical compound [Ag].[Ag] OGFYIDCVDSATDC-UHFFFAOYSA-N 0.000 description 30
- 230000002421 anti-septic effect Effects 0.000 description 10
- 230000006378 damage Effects 0.000 description 8
- FOIXSVOLVBLSDH-UHFFFAOYSA-N Silver ion Chemical compound [Ag+] FOIXSVOLVBLSDH-UHFFFAOYSA-N 0.000 description 6
- 241000222122 Candida albicans Species 0.000 description 5
- 241000588724 Escherichia coli Species 0.000 description 5
- 206010069767 H1N1 influenza Diseases 0.000 description 5
- 241000191967 Staphylococcus aureus Species 0.000 description 5
- 229940095731 candida albicans Drugs 0.000 description 5
- 239000008187 granular material Substances 0.000 description 5
- 201000010740 swine influenza Diseases 0.000 description 5
- 241000712461 unidentified influenza virus Species 0.000 description 5
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 4
- 230000001580 bacterial effect Effects 0.000 description 4
- 241000282414 Homo sapiens Species 0.000 description 3
- 230000000249 desinfective effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 238000003915 air pollution Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229920002717 polyvinylpyridine Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- ZQBVUULQVWCGDQ-UHFFFAOYSA-N propan-1-ol;propan-2-ol Chemical compound CCCO.CC(C)O ZQBVUULQVWCGDQ-UHFFFAOYSA-N 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/0028—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions provided with antibacterial or antifungal means
-
- 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
- A01N25/08—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 solids as carriers or diluents
- A01N25/10—Macromolecular compounds
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0001—Making filtering elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Abstract
The invention provides a nano-silver disinfection and antibiosis air filter element which adopts a four-layer structure mode of hydrophobic layer nano-silver disinfection and antibiosis non-woven fabric-active carbon-HEPA high-efficiency filter screen-hydrophilic layer nano-silver disinfection and antibiosis non-woven fabric, can effectively filter out bacteria, viruses, toxic gases and the like in particles, ash layers and liquid, improves the filtering efficiency and prolongs the service life of a machine; in addition, the nano silver particles are a material with a long-acting disinfection and antibiosis effect, the combination of the nano silver and the silver ions can achieve the effects of rapid sterilization and long-acting disinfection and antibiosis, the nano silver and the silver ions have good safety and long-acting performance, the spherical nano silver and the silver ions are loaded on the reticular fiber material of the air filter element, bacteria on the air filter element can be effectively killed, and the long-acting disinfection and antibiosis are realized, so that the air filter element is not easy to mildew and breed bacteria after being used for a long time. In addition, the invention also provides a preparation method of the nano-silver disinfection antibacterial air filter element.
Description
Technical Field
The invention relates to the technical field of air filter elements, in particular to a nano-silver disinfection antibacterial air filter element and a preparation method thereof.
Background
In recent years, with the rapid development of industrial economy, on one hand, the living environment of human beings is continuously challenged, the problem of air pollution is one of challenges, and the air pollution seriously affects the physical health of people; on the other hand, the development of the industries such as medical treatment, pharmacy, food and the like also puts higher requirements on the cleanliness of air.
Air filtration is the most effective way to deal with the air quality problem at present, and the filtering material is the core device, but the traditional air filter element still has the following disadvantages: traditional air filter core generally adopts the three layer construction form of sponge-HEPA high efficiency filter screen-sponge, this kind of traditional air filter core structure can be effectual harmful substance such as dust in the separation air at the initial stage, granule, bacterium, virus, but along with the increase of live time, air filter core is in the use, inevitable can produce a large amount of bacterium, the bacterium breeds and can cause this air filter core to produce and milden and rot, filtration efficiency is lower, damage equipment easily, and do not possess the antibiotic effect of long-term disinfection, thereby influence this air filter core's use, so above-mentioned traditional air filter core uses the antibiotic processing of disinfecting of need carrying out for a period, complex operation, and the technology is complicated, greatly increased material and human cost. In addition, there is partial air filter to play the antibiotic function of disinfection through having increased ultraviolet lamp in inside, although the ultraviolet ray can effectually play the antibiotic effect of disinfection, but produces too much ozone easily, and ozone has strong oxidation effect, can produce the injury to the human body, object surface aging with higher speed.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a nano-silver disinfection and antibiosis air filter element and a preparation method thereof, which solve the technical problems of the traditional air filter element.
In order to achieve the above purpose, the invention provides the following technical scheme:
the utility model provides an antibiotic air filter of nanometer silver disinfection, includes the hydrophobic layer that sets gradually in and from the outside, removes flavor layer, filter layer and hydrophilic layer, wherein, the hydrophobic layer sets up to the antibiotic non-woven fabrics of hydrophobic layer disinfection of load nanometer silver granule and silver ion, hydrophilic layer sets up to the antibiotic non-woven fabrics of hydrophilic layer disinfection of load nanometer silver granule and silver ion.
Further, the smell removing layer is arranged as an activated carbon layer.
Further, the filter layer sets up to HEPA high efficiency filter screen.
Further, antibiotic air filter of nanometer silver disinfection still includes fixed frame, fixed frame sets up to high strength plastics frame, fixed frame fixed connection be in antibiotic air filter of nanometer silver disinfection's periphery.
Further, the nano-silver disinfection and antibiosis air filter element comprises a cross section which is in a wave shape.
A preparation method of a nano-silver disinfection antibacterial air filter element comprises the following steps of S1: preparing the hydrophobic layer sterilized antibacterial non-woven fabric; s2: preparing the hydrophilic layer sterilized antibacterial non-woven fabric; s3: and pressing the hydrophobic layer disinfection and antibiosis non-woven fabric, the smell removing layer, the filter layer and the hydrophilic layer disinfection and antibiosis non-woven fabric through a pressing process to form the nano-silver disinfection and antibiosis air filter element.
Further, the S1 includes S11, preparing a first antiseptic nano silver solution; s12, taking a hydrophobic non-woven fabric as a carrier, and soaking the hydrophobic non-woven fabric carrier in the first disinfection antibacterial nano-silver solution for 10-30min according to the mass ratio of 1: 50-1000; s13, taking out the hydrophobic non-woven fabric carrier in the first disinfection and antibiosis nano silver solution, and drying for 10-30min at 80-120 ℃.
Further, the first disinfection and antibiosis nano silver solution comprises, by weight, 3-10 parts of nano silver particles, 0.5-3 parts of silver nitrate, 30-45 parts of ethanol, 10-21 parts of polyvinylpyrrolidone, 20-30 parts of isopropanol and 0.2-0.4 part of inorganic acid.
Further, the S2 includes S21, preparing a second antiseptic nano silver solution; s22, taking a hydrophilic non-woven fabric as a carrier, and soaking the hydrophilic non-woven fabric carrier in the second disinfection antibacterial nano-silver solution for 30min-3h according to the mass ratio of 1: 50-1000; and S23, taking out the hydrophobic non-woven fabric carrier in the second disinfection antibacterial nano silver solution, and drying at 80-120 ℃ for 30min-5 h.
Further, the second disinfection and antibiosis nano silver solution comprises, by weight, 3-10 parts of nano silver particles, 0.5-3 parts of silver nitrate, 50-60 parts of Up water, 10-21 parts of polyvinylpyrrolidone and 0.2-0.4 part of inorganic acid.
The invention has the beneficial effects that:
the invention provides a nano-silver disinfection and antibiosis air filter element which comprises a hydrophobic layer, a smell removal layer, a filter layer and a hydrophilic layer which are sequentially arranged from outside to inside, wherein the hydrophobic layer is a hydrophobic layer disinfection and antibiosis non-woven fabric loaded with nano-silver particles and silver ions, and the hydrophilic layer is a hydrophilic layer disinfection and antibiosis non-woven fabric loaded with nano-silver particles and silver ions.
In this embodiment, the nano-silver disinfection and antibiosis air filter element adopts a four-layer structure mode of hydrophobic layer nano-silver disinfection and antibiosis non-woven fabric, smell removal layer, filter layer, hydrophilic layer nano-silver disinfection and antibiosis non-woven fabric. Specifically, the outer layer adopts the hydrophobic layer nano-silver disinfection antibacterial non-woven fabric, so that large particles such as particles, ash layers and bacterial viruses in liquid can be effectively blocked outside, particularly the bacterial viruses in the liquid, and the non-woven fabric is hydrophobic, so that the liquid is not easy to attach to the non-woven fabric, and most of bacteria can be blocked outside; the odor removing layer of the second layer can absorb peculiar smell, toxic gas and the like; the filter layer of the third layer can block 99.5 percent of small particle viruses; the inner layer is a hydrophilic layer nano-silver disinfection antibacterial non-woven fabric, bacteria and small particles are adsorbed on the non-woven fabric, clean and sterile air is filtered out finally, the four layers can improve the filtering efficiency, and a machine is not easy to damage; in addition, the nano silver particles are a material with long-acting disinfection and antibiosis effects, and the combination of the nano silver and silver ions can achieve the effects of quick disinfection and long-acting disinfection and antibiosis, thereby having good safety and long-acting performance. Load spherical nanometer silver and silver ion on this air filter's reticular fiber material, can effectually kill the bacterium on this air filter, and long-term disinfection is antibiotic, makes this air filter use also difficult production to go mildy and rot and breed the bacterium for a long time, avoids producing ozone, and cost of preparation and maintenance are low.
The nano-silver disinfection and antibiosis air filter element and the preparation method thereof provided by the invention solve the technical problems of the traditional air filter element, and the nano-silver disinfection and antibiosis air filter element has the technical effects of efficient filtration and long-acting disinfection and antibiosis.
Drawings
FIG. 1 is an exploded view of a layered structure of a nano-silver antiseptic air filter element provided by the present invention;
fig. 2 is a schematic view of the principle of the hydrophobic layer provided by the present invention;
FIG. 3 is a schematic diagram of a hydrophilic layer provided by the present invention;
FIG. 4 is a schematic structural diagram of a nano-silver sterilizing and antibacterial air filter element provided by the invention;
fig. 5 is an antibacterial comparison diagram of the nano-silver sterilizing and antibacterial air filter element provided by the invention.
In the figure, 10-hydrophobic layer nano-silver disinfection antibacterial non-woven fabric, 20-active carbon, 30-HEPA high-efficiency filter screen, 40-hydrophilic layer nano-silver disinfection antibacterial non-woven fabric, 50-plastic frame, 61-fog drop, 62-bacteria/bacteria
Detailed Description
The nano-silver disinfection and antibiosis air filter element provided by the invention solves the technical problems of the traditional air filter element, and has the technical effects of high-efficiency filtration, long-acting disinfection and antibiosis.
Referring to fig. 1 to 5 in detail, fig. 1 is a schematic exploded view of a layered structure of a nano silver antiseptic air filter element provided by the present invention, fig. 2 is a schematic view of a hydrophobic layer provided by the present invention, fig. 3 is a schematic view of a hydrophilic layer provided by the present invention, fig. 4 is a schematic view of a structure of a nano silver antiseptic air filter element provided by the present invention, and fig. 5 is an antiseptic comparison view of the nano silver antiseptic air filter element provided by the present invention.
The technical scheme provided by the invention is as follows:
the utility model provides a nano-silver disinfection antibiotic air filter, includes hydrophobic layer nano-silver disinfection antibiotic non-woven fabrics 10, active carbon 20, HEPA high-efficient filter screen 30 and hydrophilic layer nano-silver disinfection antibiotic non-woven fabrics 40 that from outer to inner set gradually, wherein, hydrophobic layer nano-silver disinfection antibiotic non-woven fabrics 10 sets up to the hydrophobic layer disinfection antibiotic non-woven fabrics that has nano-silver granule and silver ion of load, hydrophilic layer nano-silver disinfection antibiotic non-woven fabrics 40 sets up to the hydrophilic layer disinfection antibiotic non-woven fabrics of load nano-silver granule and silver ion.
In this embodiment, preferably, the nano silver particles are spherical, and the radius of the nano silver particles is set to be 10-100 nm; further, the thickness of the hydrophobic layer nano-silver disinfection and antibiosis non-woven fabric 10 is set to be 50-250 μm, and the thickness of the hydrophilic layer nano-silver disinfection and antibiosis non-woven fabric 40 is set to be 50-250 μm, so that the filtering efficiency and the disinfection and antibiosis effect are improved.
In this embodiment, the nano-silver disinfection and antibiosis air filter element adopts a four-layer structure mode of a hydrophobic layer nano-silver disinfection and antibiosis non-woven fabric 10-activated carbon 20-HEPA high efficiency filter screen 30-hydrophilic layer nano-silver disinfection and antibiosis non-woven fabric 40. Specifically, the outer layer adopts the hydrophobic layer nano-silver disinfection antibacterial non-woven fabric 10, so that large particles such as particles, ash layers and bacterial viruses in liquid can be effectively blocked outside, especially the bacterial viruses in the liquid, and the non-woven fabric is hydrophobic, so that the liquid is not easy to attach to the non-woven fabric, and most of bacteria can be blocked outside; the activated carbon 20 of the second layer can absorb peculiar smell, toxic gas and the like; the HEPA high-efficiency filter screen 30 on the third layer can block 99.5% of small particle viruses; the inner layer is a hydrophilic layer nano-silver disinfection antibacterial non-woven fabric 40, bacteria and small particles are adsorbed on the non-woven fabric, clean and sterile air is filtered out finally, the four layers can improve the filtering efficiency, and a machine is not easy to damage; in addition, the nano silver particles are a material with long-acting disinfection and antibiosis effects, and the combination of the nano silver and silver ions can achieve the effects of quick disinfection and long-acting disinfection and antibiosis, thereby having good safety and long-acting performance. Load spherical nanometer silver and silver ion on this air filter's reticular fiber material, can effectually kill the bacterium on this air filter, and long-term disinfection is antibiotic, makes this air filter use also difficult production to go mildy and rot and breed the bacterium for a long time, avoids producing ozone, and cost of preparation and maintenance are low.
In this embodiment, the nano-silver antiseptic air filter further includes a plastic frame 50, and the plastic frame 50 is a high-strength plastic frame, and is fixedly connected to the periphery of the nano-silver antiseptic air filter to fix the shape of the nano-silver antiseptic air filter.
Furthermore, the nano-silver disinfection antibacterial air filter element comprises a section which is in a wave shape; specifically, the nano-silver disinfection antibacterial air filter element is folded by a machine into a wave shape, and then the shape of the nano-silver disinfection antibacterial air filter element is fixed by a designed high-strength plastic frame 50.
This antibiotic air filter's of nanometer silver disinfection plastics frame 50 adopts high strength plastic to make for the antibiotic air filter of nanometer silver disinfection is difficult to collapse easily and damages, and in the pollutant such as dust was difficult to get into the engine, was difficult to cause the damage to the engine. And traditional air filter's frame comprises filter paper, fixes in air cleaner through the gluey frame of filter paper outer lane, and the engine during operation because the air input is too big, under the impact of air current, filter paper collapses the damage easily, causes in the pollutant such as dust gets into the engine, causes the damage to the engine easily.
In this embodiment, the preparation method of the nano-silver disinfection antibacterial air filter element comprises the following steps:
s1: the preparation of the hydrophobic layer nano-silver disinfection and antibiosis non-woven fabric 10 is specifically shown in table 1 and table 2, and specifically as follows:
s11: the preparation of the disinfection antibacterial nano silver-silver ion solution comprises the following components in parts by weight:
s12: taking a proper hydrophobic non-woven fabric as a carrier, and soaking the hydrophobic non-woven fabric carrier in the disinfection antibacterial nano silver-silver ion solution for 10-30min according to the mass ratio of 1: 50-1000;
s13: taking out the hydrophobic non-woven fabric carrier in the disinfection antibacterial nano silver-silver ion solution, and drying at 80-120 ℃ for 10-30 min;
s14: and taking out the dried non-woven fabric to obtain the hydrophobic layer nano-silver disinfection and antibiosis non-woven fabric 10.
S2: the preparation of the hydrophilic layer nano silver disinfection antibacterial non-woven fabric 40 is specifically shown in tables 1 and 2, and specifically as follows:
s21: the preparation of the disinfection antibacterial nano silver-silver ion solution comprises the following components in parts by weight:
s22: taking a suitable hydrophilic non-woven fabric as a carrier, and soaking the hydrophilic non-woven fabric carrier in the disinfection and antibiosis nano silver-silver ion solution for 30min-3h according to the mass ratio of 1: 50-1000;
s23: taking out the hydrophilic non-woven fabric carrier in the disinfection antibacterial nano silver-silver ion solution, and drying at 80-120 ℃ for 30min-5 h;
s24: and taking out the dried non-woven fabric to obtain the hydrophilic layer nano-silver disinfection and antibiosis non-woven fabric 40.
S3: pressing the structure of the nano-silver disinfection and antibiosis non-woven fabric 10-active carbon 20-HEPA high-efficiency filter screen 30-hydrophilic layer nano-silver disinfection and antibiosis non-woven fabric 40 according to the hydrophobic layer from outside to inside through a pressing process to form a nano-silver disinfection and antibiosis air filter element;
s4: the nano-silver disinfection and antibiosis air filter element is folded into a wave shape through a machine, and the periphery of the filter element is fixed by a designed high-strength plastic frame so as to fix the shape, so that a finished product of the nano-silver disinfection and antibiosis air filter element is obtained.
Referring to table 3 and fig. 5, the nano-silver disinfection antibacterial air filter element prepared by the invention has an antibacterial and disinfection effect far superior to that of a blank air conditioner filter element on escherichia coli, staphylococcus aureus, candida albicans, H1N1 influenza virus and the like.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
The first embodiment is as follows:
in this embodiment, the preparation method of the nano-silver disinfection antibacterial air filter element comprises the following steps:
s1: the preparation of the hydrophobic layer nano-silver disinfection and antibiosis non-woven fabric 10 is specifically shown in table 1 and table 2, and specifically as follows:
s11: the preparation of the disinfection antibacterial nano silver-silver ion solution comprises the following components in parts by weight:
s12: taking a proper hydrophobic non-woven fabric as a carrier, and soaking the hydrophobic non-woven fabric carrier in the disinfection antibacterial nano silver-silver ion solution for 10-30min according to the mass ratio of 1: 50;
s13: taking out the hydrophobic non-woven fabric carrier in the disinfection antibacterial nano silver-silver ion solution, and drying at 80-120 ℃ for 10-30 min;
s14: and taking out the dried non-woven fabric to obtain the hydrophobic layer nano-silver disinfection and antibiosis non-woven fabric 10.
S2: the preparation of the hydrophilic layer nano silver disinfection antibacterial non-woven fabric 40 is specifically shown in tables 1 and 2, and specifically as follows:
s21: the preparation of the disinfection antibacterial nano silver-silver ion solution comprises the following components in parts by weight:
s22: taking a suitable hydrophilic non-woven fabric as a carrier, and soaking the hydrophilic non-woven fabric carrier in the disinfection antibacterial nano silver-silver ion solution for 30min-3h according to the mass ratio of 1: 50;
s23: taking out the hydrophilic non-woven fabric carrier in the disinfection antibacterial nano silver-silver ion solution, and drying at 80-120 ℃ for 30min-5 h;
s24: and taking out the dried non-woven fabric to obtain the hydrophilic layer nano-silver disinfection and antibiosis non-woven fabric 40.
S3: pressing the structure of the nano-silver disinfection and antibiosis non-woven fabric 10-active carbon 20-HEPA high-efficiency filter screen 30-hydrophilic layer nano-silver disinfection and antibiosis non-woven fabric 40 according to the hydrophobic layer from outside to inside through a pressing process to form a nano-silver disinfection and antibiosis air filter element;
s4: the nano-silver disinfection and antibiosis air filter element is folded into a wave shape through a machine, and the periphery of the filter element is fixed by a designed high-strength plastic frame so as to fix the shape, so that a finished product of the nano-silver disinfection and antibiosis air filter element is obtained.
Referring to table 3 and fig. 5 specifically, the nano-silver sterilizing and antibacterial air filter element prepared in this embodiment has an antibacterial and sterilizing effect on escherichia coli, staphylococcus aureus, candida albicans, H1N1 influenza virus, etc. far exceeding that of a blank air conditioner filter element, specifically (99.3%, 98.6%, 99.0%, 98.3%) > (35.4%, 40.5%, 36.5%, 10.3%).
Example two:
in this embodiment, the preparation method of the nano-silver disinfection antibacterial air filter element comprises the following steps:
s1: the preparation of the hydrophobic layer nano-silver disinfection and antibiosis non-woven fabric 10 is specifically shown in table 1 and table 2, and specifically as follows:
s11: the preparation of the disinfection antibacterial nano silver-silver ion solution comprises the following components in parts by weight:
s12: taking a proper hydrophobic non-woven fabric as a carrier, and soaking the hydrophobic non-woven fabric carrier in the disinfection antibacterial nano silver-silver ion solution for 10-30min according to the mass ratio of 1: 200;
s13: taking out the hydrophobic non-woven fabric carrier in the disinfection antibacterial nano silver-silver ion solution, and drying at 80-120 ℃ for 10-30 min;
s14: and taking out the dried non-woven fabric to obtain the hydrophobic layer nano-silver disinfection and antibiosis non-woven fabric 10.
S2: the preparation of the hydrophilic layer nano silver disinfection antibacterial non-woven fabric 40 is specifically shown in tables 1 and 2, and specifically as follows:
s21: the preparation of the disinfection antibacterial nano silver-silver ion solution comprises the following components in parts by weight:
s22: taking a suitable hydrophilic non-woven fabric as a carrier, and soaking the hydrophilic non-woven fabric carrier in the disinfection antibacterial nano silver-silver ion solution for 30min-3h according to the mass ratio of 1: 200;
s23: taking out the hydrophilic non-woven fabric carrier in the disinfection antibacterial nano silver-silver ion solution, and drying at 80-120 ℃ for 30min-5 h;
s24: and taking out the dried non-woven fabric to obtain the hydrophilic layer nano-silver disinfection and antibiosis non-woven fabric 40.
S3: pressing the structure of the nano-silver disinfection and antibiosis non-woven fabric 10-active carbon 20-HEPA high-efficiency filter screen 30-hydrophilic layer nano-silver disinfection and antibiosis non-woven fabric 40 according to the hydrophobic layer from outside to inside through a pressing process to form a nano-silver disinfection and antibiosis air filter element;
s4: the nano-silver disinfection and antibiosis air filter element is folded into a wave shape through a machine, and the periphery of the filter element is fixed by a designed high-strength plastic frame so as to fix the shape, so that a finished product of the nano-silver disinfection and antibiosis air filter element is obtained.
Referring to table 3 and fig. 5 specifically, the nano-silver sterilizing and antibacterial air filter element prepared in this embodiment has an antibacterial and sterilizing effect on escherichia coli, staphylococcus aureus, candida albicans, H1N1 influenza virus, etc. far exceeding that of a blank air conditioner filter element, specifically (99.9% ) (35.4%, 40.5%, 36.5%, 10.3%).
Example three:
in this embodiment, the preparation method of the nano-silver disinfection antibacterial air filter element comprises the following steps:
s1: the preparation of the hydrophobic layer nano-silver disinfection and antibiosis non-woven fabric 10 is specifically shown in table 1 and table 2, and specifically as follows:
s11: the preparation of the disinfection antibacterial nano silver-silver ion solution comprises the following components in parts by weight:
s12: taking a proper hydrophobic non-woven fabric as a carrier, and soaking the hydrophobic non-woven fabric carrier in the disinfection antibacterial nano silver-silver ion solution for 10-30min according to the mass ratio of 1: 200;
s13: taking out the hydrophobic non-woven fabric carrier in the disinfection antibacterial nano silver-silver ion solution, and drying at 80-120 ℃ for 10-30 min;
s14: and taking out the dried non-woven fabric to obtain the hydrophobic layer nano-silver disinfection and antibiosis non-woven fabric 10.
S2: the preparation of the hydrophilic layer nano-silver disinfection antibacterial non-woven fabric 40 specifically comprises the following steps:
s21: the preparation of the disinfection antibacterial nano silver-silver ion solution comprises the following components in parts by weight:
s22: taking a suitable hydrophilic non-woven fabric as a carrier, and soaking the hydrophilic non-woven fabric carrier in the disinfection antibacterial nano silver-silver ion solution for 30min-3h according to the mass ratio of 1: 200;
s23: taking out the hydrophilic non-woven fabric carrier in the disinfection antibacterial nano silver-silver ion solution, and drying at 80-120 ℃ for 30min-5 h;
s24: and taking out the dried non-woven fabric to obtain the hydrophilic layer nano-silver disinfection and antibiosis non-woven fabric 40.
S3: pressing the structure of the nano-silver disinfection and antibiosis non-woven fabric 10-active carbon 20-HEPA high-efficiency filter screen 30-hydrophilic layer nano-silver disinfection and antibiosis non-woven fabric 40 according to the hydrophobic layer from outside to inside through a pressing process to form a nano-silver disinfection and antibiosis air filter element;
s4: the nano-silver disinfection and antibiosis air filter element is folded into a wave shape through a machine, and the periphery of the filter element is fixed by a designed high-strength plastic frame so as to fix the shape, so that a finished product of the nano-silver disinfection and antibiosis air filter element is obtained.
Referring to table 3 and fig. 5 specifically, the nano-silver disinfection antibacterial air filter core prepared in this embodiment has an antibacterial and disinfecting effect on escherichia coli, staphylococcus aureus, candida albicans, H1N1 influenza virus, etc. far exceeding that of a blank air conditioner filter core, specifically (98.2%, 98.6%, 96.3%, 95.7%) (35.4%, 40.5%, 36.5%, 10.3%).
Example four:
in this embodiment, the preparation method of the nano-silver disinfection antibacterial air filter element comprises the following steps:
s1: the preparation of the hydrophobic layer nano-silver disinfection and antibiosis non-woven fabric 10 is specifically shown in table 1 and table 2, and specifically as follows:
s11: the preparation of the disinfection antibacterial nano silver-silver ion solution comprises the following components in parts by weight:
s12: taking a proper hydrophobic non-woven fabric as a carrier, and soaking the hydrophobic non-woven fabric carrier in the disinfection antibacterial nano silver-silver ion solution for 10-30min according to the mass ratio of 1: 100;
s13: taking out the hydrophobic non-woven fabric carrier in the disinfection antibacterial nano silver-silver ion solution, and drying at 80-120 ℃ for 10-30 min;
s14: and taking out the dried non-woven fabric to obtain the hydrophobic layer nano-silver disinfection and antibiosis non-woven fabric 10.
S2: the preparation of the hydrophilic layer nano-silver disinfection antibacterial non-woven fabric 40 specifically comprises the following steps:
s21: the preparation of the disinfection antibacterial nano silver-silver ion solution comprises the following components in parts by weight:
s22: taking a suitable hydrophilic non-woven fabric as a carrier, and soaking the hydrophilic non-woven fabric carrier in the disinfection antibacterial nano silver-silver ion solution for 30min-3h according to the mass ratio of 1: 50;
s23: taking out the hydrophilic non-woven fabric carrier in the disinfection antibacterial nano silver-silver ion solution, and drying at 80-120 ℃ for 30min-5 h;
s24: and taking out the dried non-woven fabric to obtain the hydrophilic layer nano-silver disinfection and antibiosis non-woven fabric 40.
S3: pressing the structure of the nano-silver disinfection and antibiosis non-woven fabric 10-active carbon 20-HEPA high-efficiency filter screen 30-hydrophilic layer nano-silver disinfection and antibiosis non-woven fabric 40 according to the hydrophobic layer from outside to inside through a pressing process to form a nano-silver disinfection and antibiosis air filter element;
s4: the nano-silver disinfection and antibiosis air filter element is folded into a wave shape through a machine, and the periphery of the filter element is fixed by a designed high-strength plastic frame so as to fix the shape, so that a finished product of the nano-silver disinfection and antibiosis air filter element is obtained.
Referring to table 3 and fig. 5 specifically, the nano-silver disinfection antibacterial air filter core prepared in this embodiment has an antibacterial and disinfecting effect on escherichia coli, staphylococcus aureus, candida albicans, H1N1 influenza virus, etc. far exceeding that of a blank air conditioner filter core, specifically (98.4%, 98.9%, 97.8%, 96.4%) > (35.4%, 40.5%, 36.5%, 10.3%).
TABLE preparation parameters of the hydrophobic layer nano-silver sterilized antibacterial nonwoven fabric in examples 1-4
| Example 1 | Example 2 | Example 3 | Example 4 | |
| Nano silver particles | 3 portions of | 10 portions of | 10 portions of | 5 |
| Silver nitrate | 0.5 portion | 0.5 portion | 1 part of | 1 part of |
| |
30 portions of | 35 portions of | 40 portions of | 40 portions of |
| |
10 portions of | 15 portions of | 30 portions of | 20 portions of |
| Isopropanol (I-propanol) | 20 portions of | 25 portions of | 25 portions of | 20 portions of |
| Inorganic acid | 0.2 part | 0.2 part | 0.2 part | 0.2 part |
| Mass ratio of soaking | 1:50 | 1:200 | 1:200 | 1：100 |
| Length of soaking | 10-30min | 10-30min | 10-30min | 10-30min |
| Drying temperature | 80-120℃ | 80-120℃ | 80-120℃ | 80-120℃ |
| Length of drying | 10-30min | 10-30min | 10-30min | 10-30min |
TABLE 2 preparation parameters of hydrophilic layer nano silver sterilizing antibacterial non-woven fabric in examples 1-4
Table three examples 1-4 comparative results of bacteriostasis rate tests of nano-silver sterilizing antibacterial air filter element and blank air conditioner filter element
While the present invention has been described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A nano-silver disinfection antibacterial air filter element is characterized in that:
the nano-silver disinfection antibacterial air filter element comprises a hydrophobic layer, a smell removal layer, a filter layer and a hydrophilic layer which are sequentially arranged from outside to inside, wherein the hydrophobic layer is a hydrophobic layer disinfection antibacterial non-woven fabric loaded with nano-silver particles and silver ions, and the hydrophilic layer is a hydrophilic layer disinfection antibacterial non-woven fabric loaded with nano-silver particles and silver ions.
2. The nano-silver sterilizing and antibacterial air filter element according to claim 1, characterized in that: the smell removing layer is arranged as an active carbon layer.
3. The nano-silver sterilizing and antibacterial air filter element according to claim 2, characterized in that: the filter layer sets up to HEPA high efficiency filter screen.
4. A nano-silver sterilizing and antibacterial air filter element according to any one of claims 1 to 3, characterized in that: the nano-silver disinfection antibacterial air filter element further comprises a fixed frame, the fixed frame is a high-strength plastic frame, and the fixed frame is fixedly connected to the periphery of the nano-silver disinfection antibacterial air filter element.
5. The nano-silver sterilizing and antibacterial air filter element according to claim 4, characterized in that: the nano-silver disinfection antibacterial air filter element comprises a cross section which is in a wave shape.
6. A method for preparing the nano-silver disinfection and antibiosis air filter element of claim 1, which is characterized in that: the preparation method comprises the following steps:
s1: preparing the hydrophobic layer sterilized antibacterial non-woven fabric;
s2: preparing the hydrophilic layer sterilized antibacterial non-woven fabric;
s3: and pressing the hydrophobic layer disinfection and antibiosis non-woven fabric, the smell removing layer, the filter layer and the hydrophilic layer disinfection and antibiosis non-woven fabric through a pressing process to form the nano-silver disinfection and antibiosis air filter element.
7. The method of claim 6, wherein: the S1 includes S11, preparing a first disinfection and antibiosis nano silver solution; s12, taking a hydrophobic non-woven fabric as a carrier, and soaking the hydrophobic non-woven fabric carrier in the first disinfection antibacterial nano-silver solution for 10-30min according to the mass ratio of 1: 50-1000; s13, taking out the hydrophobic non-woven fabric carrier in the first disinfection and antibiosis nano silver solution, and drying for 10-30min at 80-120 ℃.
8. The method of claim 7, wherein: according to parts by weight, the first disinfection antibacterial nano silver solution comprises 3-10 parts of nano silver particles, 0.5-3 parts of silver nitrate, 30-45 parts of ethanol, 10-21 parts of polyvinylpyrrolidone, 20-30 parts of isopropanol and 0.2-0.4 part of inorganic acid.
9. The method of claim 6, wherein: the S2 includes S21, preparing a second disinfection and antibiosis nano silver solution; s22, taking a hydrophilic non-woven fabric as a carrier, and soaking the hydrophilic non-woven fabric carrier in the second disinfection antibacterial nano-silver solution for 30min-3h according to the mass ratio of 1: 50-1000; and S23, taking out the hydrophobic non-woven fabric carrier in the second disinfection antibacterial nano silver solution, and drying at 80-120 ℃ for 30min-5 h.
10. The method of claim 9, wherein: according to parts by weight, the second disinfection and antibiosis nano silver solution comprises 3-10 parts of nano silver particles, 0.5-3 parts of silver nitrate, 50-60 parts of Up water, 10-21 parts of polyvinylpyrrolidone and 0.2-0.4 part of inorganic acid.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112076536A (en) * | 2020-09-19 | 2020-12-15 | 东莞市艾尔佳过滤器制造有限公司 | Nano-silver active filter element and preparation method thereof |
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