CN111543693A - High-efficient antibiotic gauze mask - Google Patents
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
- A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
- A41D13/11—Protective face masks, e.g. for surgical use, or for use in foul atmospheres
- A41D13/1192—Protective face masks, e.g. for surgical use, or for use in foul atmospheres with antimicrobial agent
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Abstract
The invention discloses a high-efficiency antibacterial mask, which is characterized in that one or more layers of each layer of the mask body of the existing mask are loaded with a sterilizing material with a specific structure, or a functional layer loaded with the sterilizing material with the specific structure is additionally arranged in the mask body of the existing mask to form the high-efficiency antibacterial mask with a sterilizing layer, so that the existing mask has a sterilizing function and can kill microorganisms, bacteria and viruses adsorbed on the mask in time, a better protective effect can be achieved together with a barrier layer with a physical protective effect, the service life of the mask can be prolonged, the resource waste is reduced, and the environmental pollution is reduced.
Description
Technical Field
The invention relates to the technical field of respiratory protection articles, in particular to a high-efficiency antibacterial mask.
Background
The mask becomes a necessary product for diseases transmitted through respiratory tract or spray, and particularly becomes a necessary product for people to go out when people wear the mask since novel coronavirus outbreaks all over the world. At present, most of masks on the market are disposable physical protective masks, and the masks adsorb droplets, microorganisms, dust and the like through static electricity. However, microorganisms adsorbed on the mask cannot be killed, the used mask is very troublesome to treat, environmental pollution is caused, and secondary transmission of viruses can be caused. Therefore, the development of a mask with a sterilization function is urgent. The mask with the sterilization function can kill the viruses/bacteria adsorbed on the mask in time, so that the microorganisms are blocked and the microorganisms can be killed, the service life of the mask can be prolonged, and the environmental pollution is reduced.
Accordingly, the prior art is yet to be improved and developed.
Disclosure of Invention
In view of the defects of the prior art, the invention aims to provide a high-efficiency antibacterial mask, aiming at solving the problems that the traditional mask without a sterilization function cannot kill harmful microorganisms adsorbed on the mask in time, so that the service life of the mask is short, the mask is difficult to treat after being discarded and the environment is easily polluted.
The technical scheme of the invention is as follows:
an efficient antibacterial mask comprises a mask body and ear belts connected to two sides of the mask body, wherein the mask body comprises an inner non-woven fabric layer, a barrier layer and an outer non-woven fabric layer which are sequentially arranged from inside to outside; the barrier layer is melt-blown non-woven fabric or a polyvinyl fluoride film with hydrophobicity, and at least one of the inner non-woven fabric layer, the barrier layer and the outer non-woven fabric layer is loaded with a sterilizing material; the sterilizing material is selected from at least one of the following materials with the structural formula as shown in the specification:
wherein m, n, o and p are integers more than 1; x2 -Is F-、Cl-、Br-、I-、H2PO4 -、ClO4 -、PF6 -、1/2[HPO4 2-]、1/3[PO4 3-]、HSO3 -、HCO3 -Or 1/2[ CO ]3 2-]；
In the formula III, R1Is CH2CH3、CH(CH3)2、C(CH3)3、(CH2)11CH3Or (CH)2)15CH3；
In the structural formula IV, X1 -Is Cl-Or Br-，R2Is CH2C6H5、(CH2)3CH3、(CH2)11CH3Or (CH)2)15CH3；
In the structural formulae P1 and P3, R3Is H, C1-C20Alkyl group of (5), Li+、Na+、K+Or NH4 +。
A high-efficiency antibacterial mask comprises a mask body and ear bands connected to two sides of the mask body, wherein the mask body comprises an inner non-woven fabric layer, a barrier layer and an outer non-woven fabric layer which are sequentially arranged from inside to outside, and further comprises a sterilization layer arranged between the inner non-woven fabric layer and the barrier layer; the barrier layer is melt-blown non-woven fabric or a polyvinyl fluoride film with hydrophobicity, and the sterilization layer is non-woven fabric, woven fabric or a polymer film loaded with a sterilization material; the sterilizing material is selected from at least one of the following materials with the structural formula as shown in the specification:
wherein m, n, o and p are integers more than 1; x2 -Is F-、Cl-、Br-、I-、H2PO4 -、ClO4 -、PF6 -、1/2[HPO4 2-]、1/3[PO4 3-]、HSO3 -、HCO3 -Or 1/2[ CO ]3 2-]；
In the formula III, R1Is CH2CH3、CH(CH3)2、C(CH3)3、(CH2)11CH3Or (CH)2)15CH3；
In the structural formula IV, X1 -Is Cl-Or Br-，R2Is CH2C6H5、(CH2)3CH3、(CH2)11CH3Or (CH)2)15CH3；
In the structural formulae P1 and P3, R3Is H, C1-C20Alkyl group of (5), Li+、Na+、K+Or NH4 +。
Has the advantages that: the invention makes the mask body of the existing mask have the sterilization function by loading the sterilization material with the specific structure on one or more layers of each layer of the mask body, or additionally arranging a layer of high-efficiency antibacterial mask which is formed by a functional layer loaded with the sterilization material with the specific structure and contains the sterilization layer in the mask body of the existing mask, so that the high-efficiency antibacterial mask has the sterilization function and can kill microorganisms, bacteria and viruses adsorbed on the mask in time, thereby playing a better protection role together with a barrier layer with a physical protection role, prolonging the service life of the mask, reducing the resource waste and reducing the environmental pollution.
Drawings
Fig. 1 is a schematic cross-sectional view of the mask body of the high-efficiency antibacterial mask of the present invention.
Fig. 2 is a schematic cross-sectional view of the mask body of another highly effective antibacterial mask of the present invention.
Detailed Description
Based on the problems that harmful microorganisms adsorbed on the mask cannot be killed in time by the existing mask without the sterilization function, so that the service life of the mask is short, the mask is difficult to treat after being discarded and environmental pollution is easily caused, the invention provides the high-efficiency antibacterial mask, which is formed by loading a sterilization material with a specific structure on one or more layers of the mask body of the existing mask or additionally arranging a functional layer loaded with the sterilization material with the specific structure in the mask body of the existing mask and comprises a sterilization layer. In order to make the objects, technical solutions and effects of the present invention clearer and clearer, the present invention is described in further detail below. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The embodiment of the invention provides a high-efficiency antibacterial mask, which comprises a mask body and ear bands connected to two sides of the mask body, wherein referring to fig. 1, the mask body comprises an inner non-woven fabric layer 1, a barrier layer 2 and an outer non-woven fabric layer 3 which are sequentially arranged from inside to outside; the barrier layer 2 is melt-blown non-woven fabric or a polyvinyl fluoride film with hydrophobicity, and at least one of the inner non-woven fabric layer 1, the barrier layer 2 and the outer non-woven fabric layer 3 is loaded with a sterilization material; the sterilizing material is selected from at least one of the following materials with the structural formula as shown in the specification:
wherein m, n, o and p are integers more than 1; x2 -Is F-、Cl-、Br-、I-、H2PO4 -、ClO4 -、PF6 -、1/2[HPO4 2-]、1/3[PO4 3-]、HSO3 -、HCO3 -Or 1/2[ CO ]3 2-]；
In the formula III, R1Is CH2CH3、CH(CH3)2、C(CH3)3、(CH2)11CH3Or (CH)2)15CH3；
In the structural formula IV, X1 -Is Cl-Or Br-，R2Is CH2C6H5、(CH2)3CH3、(CH2)11CH3Or (CH)2)15CH3；
In the structural formulae P1 and P3, R3Is H, C1-C20Alkyl group of (5), Li+、Na+、K+Or NH4 +。
In this embodiment, through loading the above-mentioned bactericidal material that has specific structure on one deck or the multilayer in each layer with the cover body of current gauze mask, the high-efficient antibiotic gauze mask that contains the layer of disinfecting of formation makes it have the function of disinfecting, can in time kill the microorganism, bacterium and the virus that adsorb on the gauze mask to can play better guard action together with the barrier layer that has the physical protection effect, also can prolong the life of gauze mask, reduce the wasting of resources, reduce environmental pollution.
Further, the preparation of the materials represented by the above structural formulae I-IX has been reported in the literature and is described in detail in: chemical notification, 2010, 118-; guangzhou chemistry, 2012,37 (4): 56-62; chemical progression, 2019, 31 (5): 681- > 689; synthetic resins and plastics, 2019, 36 (5): 99 to 109; macromolecular notification, 2011, 03 (13): 79 to 85 portions of; guizhou chemical, 2006, 31 (5): 1 to 7; synthetic chemistry, 2007, 15 (3): 275- > 279; journal of macromolecule 2007, 7, 627-632; and will not be described in detail herein. The materials represented by the structural formulas P1-P3 were specifically prepared as follows: when R is3H or C1-C20When there is alkyl(s)，X2 -＝F-、Cl-、Br-Or I-When the current is over; p1 can be prepared according to the general reaction formula (1),
p2 can be prepared according to the general reaction formula (2),
p3 can be prepared according to the general reaction formula (3),
can be obtained by reacting with X obtained as described above2 -＝F-、Cl-、Br-Or I-Is subjected to anion exchange to obtain X2 -＝H2PO4 -、ClO4 -、PF6 -、1/2[HPO4 2-]、1/3[PO4 3-]、HSO3 -、HCO3 -Or 1/2[ CO ]3 2-]The corresponding copolymers of (a); r obtained as described above3Copolymers containing Li and H+、Na+、K+Or NH4 +To obtain R, thereby obtaining R3＝Li+、Na+、K+Or NH4 +The copolymer of (1).
Further in one embodiment, the antimicrobial material is selected from the group consisting of materials represented by structural formulas P1-P3. The materials contain a plurality of quaternary ammonium salt antibacterial sites, and the binding force of the materials with viruses is stronger, so that the materials have better bactericidal action.
In one embodiment, the method of loading at least one of the inner nonwoven fabric layer, the barrier layer and the outer nonwoven fabric layer with the sterilization material includes the steps of:
dissolving the sterilizing material in a solvent to obtain a sterilizing solution;
and (3) coating (such as spin coating), spraying or soaking at least one of the inner non-woven fabric layer, the barrier layer and the outer non-woven fabric layer with the sterilizing solution, and then airing.
Specifically, before at least one of the inner non-woven fabric layer, the barrier layer and the outer non-woven fabric layer is coated, sprayed or soaked by the sterilization solution, plasma or UV can be used for irradiating the at least one of the inner non-woven fabric layer, the barrier layer and the outer non-woven fabric layer, so that impurities on the inner non-woven fabric layer, the barrier layer or the outer non-woven fabric layer can be removed, the surface of the inner non-woven fabric layer, the barrier layer or the outer non-woven fabric layer can be activated to generate active hydroxyl, and therefore the bonding force between the sterilization material and the inner non-woven fabric layer, the barrier layer or the outer non-woven fabric layer is increased, and the antibacterial material can be better loaded.
Further in one embodiment, the solvent may be selected from, but is not limited to, at least one of methanol, ethanol, isopropanol, and water. That is, the solvent may be selected from other low boiling point organic solvents such as acetone, in addition to at least one of methanol, ethanol, isopropanol, and water.
Further in one embodiment, the bactericidal material is present in the bactericidal solution at a mass concentration of 0.01 to 5 wt%, for example, 1 wt%.
In one embodiment, the inner nonwoven fabric layer and the outer nonwoven fabric layer are both nonwoven fabric layers made of at least one of polypropylene, polyester fibers, polyamide, polyacrylonitrile, and polyvinyl chloride fibers.
In one embodiment, the polyvinyl fluoride film may be a nano-scale film made of polytetrafluoroethylene, a copolymer of tetrafluoroethylene, polyvinylidene fluoride, a copolymer of vinylidene fluoride, polychlorotrifluoroethylene, or a copolymer of chlorotrifluoroethylene.
The embodiment of the invention also provides a high-efficiency antibacterial mask, which comprises a mask body and ear bands connected to two sides of the mask body, wherein referring to fig. 2, the mask body comprises an inner non-woven fabric layer 1, a barrier layer 2 and an outer non-woven fabric layer 3 which are sequentially arranged from inside to outside, and further comprises a sterilization layer 4 arranged between the inner non-woven fabric layer and the barrier layer; the barrier layer 2 is melt-blown non-woven fabric or a polyvinyl fluoride film with hydrophobicity, and the sterilization layer 4 is non-woven fabric, woven fabric or a polymer film loaded with sterilization materials; the sterilizing material is selected from at least one of the following materials with the structural formula as shown in the specification:
wherein m, n, o and p are integers more than 1; x2 -Is F-、Cl-、Br-、I-、H2PO4 -、ClO4 -、PF6 -、1/2[HPO4 2-]、1/3[PO4 3-]、HSO3 -、HCO3 -Or 1/2[ CO ]3 2-]；
In the formula III, R1Is CH2CH3、CH(CH3)2、C(CH3)3、(CH2)11CH3Or (CH)2)15CH3；
In the structural formula IV, X1 -Is Cl-Or Br-，R2Is CH2C6H5、(CH2)3CH3、(CH2)11CH3Or (CH)2)15CH3；
In the structural formulae P1 and P3, R3Is H, C1-C20Alkyl group of (5), Li+、Na+、K+Or NH4 +。
In this embodiment, through add the high-efficient antibiotic gauze mask that contains the layer of disinfecting that the functional layer that the one deck load had the bactericidal material of particular structure formed in the cover body of current gauze mask, make it have the function of disinfecting, can in time kill the microorganism, bacterium and the virus that adsorb on the gauze mask, make the gauze mask when barrier layer guarantee physics separation, increase the efficiency of disinfecting to can play better guard action, also can prolong the life of gauze mask, reduce the wasting of resources, reduce environmental pollution.
Further in one embodiment, the antimicrobial material is selected from the group consisting of materials represented by structural formulas P1-P3. The materials contain a plurality of quaternary ammonium salt antibacterial sites, and the bonding force of the materials and harmful microorganisms (such as viruses) is stronger, so that the materials have better bactericidal action.
In one embodiment, the method of preparing the biocidal layer includes the steps of:
dissolving the sterilizing material in a solvent to obtain a sterilizing solution;
the non-woven fabric, the woven fabric or the polymer film is coated (such as spin coating), sprayed or soaked by the sterilizing solution and then dried.
Further in one embodiment, the solvent may be selected from, but is not limited to, at least one of methanol, ethanol, isopropanol, and water.
Further in one embodiment, the mass concentration of the sterilization material in the sterilization solution is 0.01-5 wt%; for example, 1 wt%.
In one embodiment, the inner nonwoven fabric layer and the outer nonwoven fabric layer are both nonwoven fabric layers made of at least one of polypropylene, polyester fibers, polyamide, polyacrylonitrile, and polyvinyl chloride fibers.
In one embodiment, the polyvinyl fluoride film may be a nano-scale film made of polytetrafluoroethylene, a copolymer of tetrafluoroethylene, polyvinylidene fluoride, a copolymer of vinylidene fluoride, polychlorotrifluoroethylene, or a copolymer of chlorotrifluoroethylene.
The present invention will be described in detail below with reference to specific examples.
Example 1 copolymer P1-1 (R)3＝H，X2 -＝Cl-) Preparation of
According to the reaction formula (1-1),
the method specifically comprises the following steps: 116g (1mol) N1,N1,N2,N2-tetramethyl-1, 2-ethylenediamine (a-1), 112g (1mol)1, 4-vinylpiperazine (a-2), 66g (0.5mol)1, 2-bis (dimethylamino) ethanol (a-3), 146g (0.5mol) ethylenediaminetetraacetic acid (a-4-1) and 1L dichloroethyl ether (a-5-1) were mixed with 500mL of water, stirred at 30 ℃ for 30 minutes, refluxed for 8 hours, cooled, concentrated to remove the solvent, precipitated solid with acetone, and dried under vacuum to obtain 328g of copolymer P1-1.
Example 2 copolymer P1-2 (R)3＝H，X2 -＝ClO4 -) Preparation of
According to the reaction formula (1-2),
the method specifically comprises the following steps: 100g of copolymer P1-1 and 200mL of perchloric acid aqueous solution are heated to reflux, cooled and crystallized after the reaction is finished, washed by acetone, drained and dried in vacuum, and 109g of copolymer P1-2 is obtained.
Example 3 copolymer P2-1 (X)2 -＝Cl-)
According to the reaction formula (2-1),
the method specifically comprises the following steps: 116g (1mol) N1,N1,N2,N2-tetramethyl-1, 2-ethylenediamine (a-1), 224g (2mol)1, 4-vinylpiperazine (a-2), 132g (1mol)1, 2-bis (dimethylamino) ethanol (a-3), 1L dichloroethyl ether (a-5-1) were mixed with 500mL of water, stirred at 30 ℃ for 30 minutes, refluxed for 8 hours, cooled, concentrated to remove the solvent, precipitated a solid with acetone, and dried under vacuum to obtain 410g of copolymer P2-1.
Example 4 copolymer P2-2 (X)2 -＝PF6 -)
According to the reaction formula (2-2),
the method specifically comprises the following steps: heating 200g of copolymer P2-1 and 300mL of hexafluorophosphoric acid aqueous solution to reflux, cooling and crystallizing after the reaction is finished, washing with acetone, draining, and drying in vacuum to obtain 185g of copolymer-containing solutionSubstance P2-2.
Example 5 copolymer P3-1 (R)3＝H，X2 -＝Cl-) Preparation of
According to the reaction formula (3-1),
the method specifically comprises the following steps: 116g (1mol) N1,N1,N2,N2-tetramethyl-1, 2-ethylenediamine (A-1), 292g (0.5mol) ethylenediaminetetraacetic acid (A-4-1) and 1L dichloroethyl ether (A-5-1) were mixed with 500mL of water, stirred at 30 ℃ for 30 minutes, refluxed for 8 hours, cooled, concentrated to remove the solvent, precipitated a solid with acetone, and dried under vacuum to obtain 430g of copolymer P3-1.
EXAMPLE 6 preparation of biocidal layer
Dissolving at least one of copolymers P1-1, P1-2, P2-1, P2-2 and P3-1 (taking P1-1 as an example) in water, ethanol, methanol, isopropanol or other low-boiling-point organic solvents to prepare an aqueous solution of P1-1 with the mass concentration of 1 wt%;
soaking a non-woven fabric layer (which can be irradiated by plasma or UV) prepared from polypropylene (PP), polyester fiber (PET), Polyamide (PA) or Polyacrylonitrile (PAN) and polyvinyl chloride fiber (PVF) (taking polypropylene as an example) in an aqueous solution (or an alcoholic solution) of P1-1 for 1-2 hours to enable the non-woven fabric layer to fully support P1-1, taking out and drying to obtain the sterilization layer.
The prepared bactericidal layer is used as an experimental material, and the national standard GB/T20944.3-2008 < evaluation part 3 of antibacterial performance of textiles: the quantitative antibacterial property test is carried out by the oscillation method, and the selected strains comprise escherichia coli, staphylococcus aureus, candida albicans, salmonella, klebsiella pneumoniae, pseudomonas aeruginosa, influenza viruses H1N1 and H3N 2. The antibacterial rate of the bactericidal layer based on P1-1, P1-2, P2-1, P2-2 or P3-1 can reach 100% through the test of a standard method.
Example 7 preparation of a highly effective sterilizing mask
(1) Preparing a hydrophobic polyvinyl fluoride film by using polytetrafluoroethylene, and taking the hydrophobic polyvinyl fluoride film as a barrier layer;
(2) preparing a non-woven fabric layer by adopting polypropylene;
(3) the mask body was fabricated by cutting the P1-1-based antibacterial layer, the barrier layer, and the nonwoven fabric layer fabricated in example 6 into pieces, sequentially placing the P1-1-based antibacterial layer, the barrier layer, and the nonwoven fabric layer fabricated in example 6 in this order into a laminate, and sewing or laminating the laminate into a sheet-like integrated structure.
(4) And sewing ear bands at two sides of the mask body to obtain the mask.
The mask can kill microorganisms adsorbed on the mask in time, has a protective effect, and can prolong the service life of the mask properly.
Example 8 preparation of a highly effective sterilizing mask
(1) Preparing a non-woven fabric layer by using polypropylene, and using the non-woven fabric layer as an outer non-woven fabric layer and an inner non-woven fabric layer;
(2) preparing a hydrophobic polyvinyl fluoride film by using polytetrafluoroethylene, and taking the hydrophobic polyvinyl fluoride film as a barrier layer;
(3) the cover body was produced by cutting the nonwoven fabric layer and the barrier layer obtained in example 6, the sterilization layer based on P1-1 obtained in example 6, and the nonwoven fabric layer into pieces, stacking the nonwoven fabric layer, the barrier layer, the sterilization layer based on P1-1 obtained in example 6, and the nonwoven fabric layer in this order, and sewing or laminating the stacked layers into a sheet-like integrated structure.
(4) And sewing ear bands at two sides of the mask body to obtain the mask.
The mask can kill microorganisms adsorbed on the mask in time, has good protection effect, and can prolong the service life of the mask properly.
Example 9 preparation of a highly effective sterilizing mask
(1) Polypropylene (PP), polyester fiber (PET), Polyamide (PA), Polyacrylonitrile (PAN) or polyvinyl chloride fiber (PVF) non-woven fabrics treated by antibacterial active materials are used as the inner layer and the outer layer of the mask.
(2) Intermediate layer of mask made of melt-blown non-woven fabric
(3) And sewing or pressing the laminated layers into a sheet-shaped integrated structure to obtain the cover body.
(4) And sewing ear bands at two sides of the mask body to obtain the mask.
The mask can kill microorganisms adsorbed on the mask in time, has good protection effect, and can prolong the service life of the mask properly.
In summary, the high-efficiency sterilization mask provided by the invention has the sterilization function by loading the sterilization material with the specific structure on one or more layers of the mask body of the existing mask or adding a functional layer loaded with the sterilization material with the specific structure in the mask body of the existing mask, so that microorganisms, bacteria and viruses adsorbed on the mask can be killed in time, and thus, the high-efficiency sterilization mask and the barrier layer with the physical protection function can play a better protection role, the service life of the mask can be prolonged, the resource waste can be reduced, and the environmental pollution can be reduced.
It is to be understood that the invention is not limited to the examples described above, but that modifications and variations may be effected thereto by those of ordinary skill in the art in light of the foregoing description, and that all such modifications and variations are intended to be within the scope of the invention as defined by the appended claims.
Claims (10)
1. A high-efficiency antibacterial mask comprises a mask body and ear bands connected to two sides of the mask body, and is characterized in that the mask body comprises an inner non-woven fabric layer, a barrier layer and an outer non-woven fabric layer which are sequentially arranged from inside to outside; the barrier layer is melt-blown non-woven fabric or a polyvinyl fluoride film with hydrophobicity, and at least one of the inner non-woven fabric layer, the barrier layer and the outer non-woven fabric layer is loaded with a sterilizing material; the sterilizing material is selected from at least one of the following materials with the structural formula as shown in the specification:
wherein m, n, o and p are integers more than 1; x2 -Is F-、Cl-、Br-、I-、H2PO4 -、ClO4 -、PF6 -、1/2[HPO4 2-]、1/3[PO4 3-]、HSO3 -、HCO3 -Or 1/2[ CO ]3 2-]；
In the formula III, R1Is CH2CH3、CH(CH3)2、C(CH3)3、(CH2)11CH3Or (CH)2)15CH3；
In the structural formula IV, X1 -Is Cl-Or Br-，R2Is CH2C6H5、(CH2)3CH3、(CH2)11CH3Or (CH)2)15CH3；
In the structural formulae P1 and P3, R3Is H, C1-C20Alkyl group of (5), Li+、Na+、K+Or NH4 +。
2. The highly effective antiseptic mask of claim 1 wherein said at least one of said inner non-woven fabric layer, said barrier layer and said outer non-woven fabric layer is loaded with said antiseptic material by a method comprising the steps of:
dissolving the sterilizing material in a solvent to obtain a sterilizing solution;
and (3) coating, spraying or soaking at least one of the inner non-woven fabric layer, the barrier layer and the outer non-woven fabric layer by using the sterilizing solution, and then airing.
3. The highly effective antiseptic mask of claim 2 wherein said solvent is selected from at least one of methanol, ethanol, isopropanol and water.
4. The mask according to claim 2, wherein the bactericidal material is present in the bactericidal solution in a mass concentration of 0.01 to 5 wt%.
5. The highly effective antibacterial mask according to claim 1, wherein said inner non-woven fabric layer and said outer non-woven fabric layer are non-woven fabric layers made of at least one of polypropylene, polyester fiber, polyamide, polyacrylonitrile and polyvinyl chloride fiber.
6. The highly effective antibacterial mask according to claim 1, wherein said polyvinyl fluoride film is a nano-scale film made of polytetrafluoroethylene, a copolymer of tetrafluoroethylene, polyvinylidene fluoride, a copolymer of vinylidene fluoride, polychlorotrifluoroethylene or a copolymer of chlorotrifluoroethylene.
7. A high-efficiency antibacterial mask comprises a mask body and ear bands connected to two sides of the mask body, and is characterized in that the mask body comprises an inner non-woven fabric layer, a barrier layer and an outer non-woven fabric layer which are sequentially arranged from inside to outside, and further comprises a sterilization layer arranged between the inner non-woven fabric layer and the barrier layer; the barrier layer is melt-blown non-woven fabric or a polyvinyl fluoride film with hydrophobicity, and the sterilization layer is non-woven fabric, woven fabric or a polymer film loaded with a sterilization material; the sterilizing material is selected from at least one of the following materials with the structural formula as shown in the specification:
wherein m, n, o and p are integers more than 1; x2 -Is F-、Cl-、Br-、I-、H2PO4 -、ClO4 -、PF6 -、1/2[HPO4 2-]、1/3[PO4 3-]、HSO3 -、HCO3 -Or 1/2[ CO ]3 2-]；
In the formula III, R1Is CH2CH3、CH(CH3)2、C(CH3)3、(CH2)11CH3Or (CH)2)15CH3；
In the structural formula IV, X1 -Is Cl-Or Br-，R2Is CH2C6H5、(CH2)3CH3、(CH2)11CH3Or (CH)2)15CH3；
In the structural formulae P1 and P3, R3Is H, C1-C20Alkyl group of (5), Li+、Na+、K+Or NH4 +。
8. The mask according to claim 7, wherein the sterilizing layer is prepared by a method comprising the steps of:
dissolving the sterilizing material in a solvent to obtain a sterilizing solution;
and (3) coating, spraying or soaking the non-woven fabric, the woven fabric or the polymer film by using the sterilization solution, and then airing.
9. The highly effective antiseptic mask of claim 8 wherein said solvent is selected from at least one of methanol, ethanol, isopropanol and water.
10. The mask according to claim 8, wherein the bactericidal material is present in the bactericidal solution in a mass concentration of 0.01 to 5 wt%.
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