CN111466647A - Antibacterial and antiviral protective mask - Google Patents

Antibacterial and antiviral protective mask Download PDF

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Publication number
CN111466647A
CN111466647A CN202010429249.XA CN202010429249A CN111466647A CN 111466647 A CN111466647 A CN 111466647A CN 202010429249 A CN202010429249 A CN 202010429249A CN 111466647 A CN111466647 A CN 111466647A
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CN
China
Prior art keywords
mask
antibacterial
layer
module
graphene
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Pending
Application number
CN202010429249.XA
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Chinese (zh)
Inventor
魏春光
王静霞
洪碧玙
谷星星
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Shenzhen Hanshu Technology New Energy Co ltd
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Shenzhen Hanshu Technology New Energy Co ltd
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Priority to CN202010429249.XA priority Critical patent/CN111466647A/en
Publication of CN111466647A publication Critical patent/CN111466647A/en
Pending legal-status Critical Current

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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
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D27/00—Details of garments or of their making
    • A41D27/24—Hems; Seams
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D31/00—Materials specially adapted for outerwear
    • A41D31/02—Layered materials
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D31/00—Materials specially adapted for outerwear
    • A41D31/04—Materials specially adapted for outerwear characterised by special function or use
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D31/00—Materials specially adapted for outerwear
    • A41D31/04—Materials specially adapted for outerwear characterised by special function or use
    • A41D31/12—Hygroscopic; Water retaining
    • A41D31/125—Moisture handling or wicking function through layered materials
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D31/00—Materials specially adapted for outerwear
    • A41D31/04—Materials specially adapted for outerwear characterised by special function or use
    • A41D31/30—Antimicrobial, e.g. antibacterial
    • A41D31/305—Antimicrobial, e.g. antibacterial using layered materials
    • 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
    • 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
    • B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D2400/00—Functions or special features of garments
    • A41D2400/26—UV light protection

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)

Abstract

The invention discloses an antibacterial and antiviral protective mask which comprises a mask main body and a mask belt, wherein the mask main body comprises a first mask module and a second mask module, the first mask module comprises a filter layer and an antibacterial layer from outside to inside, the second mask module comprises an electrostatic layer and a skin-friendly layer from outside to inside, and the first mask module is connected with the second mask module through a concave-convex buckle seal assembly. According to the invention, the graphene filter layer, the nano-silver antibacterial layer and the melt-blown electrostatic layer are adopted to realize high-efficiency blocking and filtering of particle dust and bacteria and viruses, and meanwhile, the replaceable inner and outer layer structures of the mask are provided, so that raw materials are saved, and the effective service time and the use convenience of the mask are greatly improved. The antibacterial and antiviral protective mask disclosed by the invention is environment-friendly and safe, has excellent protective effect, fully embodies the sustainable development concepts of fine chemical engineering and environmental protection, and is suitable for large-scale popularization and use.

Description

Antibacterial and antiviral protective mask
Technical Field
The invention belongs to the field of respiratory protection articles, and particularly relates to an antibacterial and antiviral protective mask.
Background
With the increasing serious environmental pollution, the air often contains a plurality of harmful substances, including dust particles and various germs in the air, and the gases exist in all corners of human life and harm human health. The mask is a daily article in life of people and is mainly used for blocking bacteria and particles in the air so as to prevent adverse reactions caused by human body inhalation. The traditional mask is mainly made of common non-woven materials, has large material pore diameter, only has common filtering function, basically has no inhibiting or killing effect on bacteria and the like in air, and cannot meet the high-performance requirement. Meanwhile, the existing mask can not replace the polluted part, so that the protection effect of the mask is reduced and resources are wasted.
In recent years, graphene has become a focus and a hot spot of research, and the antibacterial performance of graphene is firstly confirmed by Shanghai applied physics research institute of Chinese academy of sciences in 2010. Foreign experts disclose a mechanism for destroying bacterial cell membranes by graphene, and compared with traditional inorganic and organic antibacterial agents, the graphene has no cytotoxicity basically and is more suitable for being in direct contact with human skins. Scientists have found that graphene can not only cleave the insertion of bacterial cell membranes, but also destroy the cell membranes by directly extracting phospholipid molecules on the cell membranes on a large scale, thereby killing the bacteria. In addition, the theoretical specific surface area of graphene can reach 2620m2The material is a material with high-efficiency filtration, adsorption, antibiosis, bacteriostasis and ultraviolet resistance.
The core mechanism of the nano silver antibacterial activity is to provide a high surface area source for silver ions, the long-term antibacterial efficacy of the nano silver antibacterial activity depends on the maintenance of effective concentration of silver ions, and the nano silver antibacterial activity enables cells to divide by influencing the living environment of bacteria, destroying the cell walls of the bacteria, inhibiting the respiration of bacteria-related enzymes, inhibiting the DNA replication of the bacteria and the like, so that the bacterial cells are finally killed. Because of the larger specific surface area and the extremely high surface activity of the nano silver particles, the nano silver has the advantages of lasting antibiosis, broad spectrum, no drug resistance, difficult decomposition, safety, sanitation, high efficiency and the like.
Disclosure of Invention
The invention aims to: aiming at the defects of the prior art, the antibacterial and antiviral protective mask is provided, and has the advantages of capability of replacing the inner layer structure and the outer layer structure of the mask while realizing efficient blocking and filtering of particle dust and bacterial viruses, raw material saving, and great improvement on effective service time and use convenience of the mask.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an antibiotic antiviral protective facial mask, includes gauze mask main part, gauze mask area, the gauze mask main part includes gauze mask first module and gauze mask second module, gauze mask first module is by outer filter layer and antibiotic layer of including to in, gauze mask second module is by outer static layer and close skin layer of including to in, gauze mask first module through unsmooth knot seal subassembly with gauze mask second module is connected.
As an improvement of the antibacterial and antiviral protective mask, the concave-convex buckle sealing component comprises an upper sealing convex edge and a lower sealing groove edge, the upper sealing convex edge is fixed on the edge of the inner surface of the first module of the mask in a hot-pressing mode, and the lower sealing groove edge is fixed on the edge of the outer surface of the second module of the mask in a hot-pressing mode. Unsmooth knot seal subassembly has excellent sealed function and can dismantle the function, will go up the bead limit of sealing and press into down the groove limit of sealing, can realize the zonulae occludens of first module of gauze mask and gauze mask second module, as long as pull open the edge of first module of gauze mask or gauze mask second module toward sealed opposite direction in addition, can realize the separation and the replacement of first module of gauze mask and gauze mask second module. When the external environment is seriously polluted, the first module of the mask can be replaced periodically to realize the high protection performance of the antibacterial and antiviral protective mask; when the skin-friendly laminated surface layer is polluted by sweat stain, oil stain and the like, the effect of safe and sanitary use of the antibacterial and antiviral protective mask can be realized by replacing the second module of the mask. The replaceability of the mask layer can save raw materials and greatly improve the effective service time and the use convenience of the mask.
As an improvement of the antibacterial and antiviral protective mask, the concave-convex buckle sealing component comprises an upper sealing convex edge and a lower sealing groove edge, the upper sealing convex edge is fixed on the edge of the outer surface of the second module of the mask in a hot-pressing mode, and the lower sealing groove edge is fixed on the edge of the inner surface of the first module of the mask in a hot-pressing mode.
As an improvement of the antibacterial and antiviral protective mask, the filter layer is a graphene filter layer. The graphene filtering layer can effectively filter micro particles in air, the graphene can perform first-layer impedance defense on dust, bacteria and viruses entering a human body, not only can cut bacterial cell membranes through insertion, but also can destroy the cell membranes through large-scale direct extraction of phospholipid molecules on the cell membranes so as to kill the bacteria. In addition, the graphene two-dimensional plane structure is high in reflection efficiency of various light rays and good in shielding effect, ultraviolet rays are protected through absorption, the ultraviolet rays with high energy are converted into fluorescence after being absorbed, the fluorescence or the fluorescence is released in a form of phosphorescence or heat energy, and the damage of the ultraviolet rays to the face and the oxidation of the nano-silver antibacterial layer can be reduced.
As an improvement of the antibacterial and antiviral protective mask, the filter layer also comprises activated carbon particles loaded on the filter layer. The active carbon catches the absorption to the gaseous molecule of pollution and the different particle diameter solid particle in the air, improves antibiotic antiviral protective facial mask's gas protection effect and granule protective effect, also provides more active sites for the antibiotic graphite alkene.
As an improvement of the antibacterial and antiviral protective mask, the antibacterial layer is a nano-silver antibacterial layer. The nano silver antibacterial layer can perform second-layer impedance defense on dust, bacteria and viruses which are still remained after passing through the graphene filtering layer, the nano silver has a large specific surface area and extremely high surface activity, and cell division is realized by influencing the living environment of bacteria, destroying the cell wall of the bacteria, inhibiting the respiration of bacteria-related enzymes, inhibiting the DNA replication of the bacteria and the like, so that the bacterial cells are finally killed. The nano silver has strong inhibiting and killing effects on various pathogenic microorganisms, has lasting antibacterial effect and cannot generate drug resistance.
As an improvement of the antibacterial and antiviral protective mask, the particle size of the nano silver on the nano silver antibacterial layer is 3-20 nm. The long-term antibacterial efficacy of nano-silver depends on the maintenance of effective concentration of silver ions, and the minimum particle size generally has the fastest ion release rate, so the smaller the particle size of nano-silver is, the more excellent the antibacterial performance of nano-silver is.
As an improvement of the antibacterial and antiviral protective mask, the electrostatic layer is a melt-blown electrostatic layer. The melt-blown electrostatic layer can perform third-layer impedance defense on dust, bacteria and viruses which are still left after passing through the nano silver filter layer. When dust passes through the melt-blown electrostatic layer, electrostatic interaction can not only effectively attract charged dust particles, but also capture polarized neutral particles with electrostatic induction effect. The melt-blown electrostatic layer stimulates bacteria through a strong electrostatic field and microelectronic flow, so that protein and nucleic acid of the bacteria are mutated and damaged, the surface structure of the bacteria is damaged, the metabolic process of bacterial microorganisms is blocked, the bacteria are killed, and the antibacterial and antiviral effects are achieved.
As an improvement of the antibacterial and antiviral protective mask, the skin-friendly layer is provided with a super absorbent resin nano coating. The super absorbent resin nano coating can quickly absorb water vapor brought by respiration, and keeps the antibacterial and antiviral protective mask dry and comfortable.
As an improvement of the antibacterial and antiviral protective mask, the mask belts are symmetrically arranged on two sides of the mask main body, the mask belts are graphene mask belts, and the graphene mask belts are prepared by soaking graphene antibacterial slurry in a basic mask belt and then drying. The graphene mask belt has the advantages of safety, no toxicity, high efficiency and lasting antibacterial performance of graphene and graphene.
As an improvement of the antibacterial and antiviral protective mask, the gram weight of the electrostatic layer is 20g/m2~40g/m2。
The invention has the advantages that: the graphene filtering layer, the nano-silver antibacterial layer and the melt-blown electrostatic layer are adopted to form multiple defenses against particle dust and bacteria and viruses in the air. The graphene filtering layer can realize functions of particle filtering, antibiosis and antivirus, ultraviolet resistance and the like, the nano-silver antibacterial layer can realize a high-efficiency and lasting antibiosis and antivirus function by effectively maintaining the release concentration of silver ions, and the melt-blown electrostatic layer can adsorb charged particles and polarized particles through an electrostatic induction effect and realize the antibiosis and antivirus function at the same time.
The invention adopts the concave-convex buckle sealing component to realize the connection and separation of the outer layer structure and the inner layer structure of the mask. When the outer structure of the mask is seriously polluted by the outside, or when the inner structure of the mask is polluted by sweat stain, oil stain and the like on the face of people, the polluted modules can be separated and replaced.
The antibacterial and antiviral protective mask disclosed by the invention has the advantages that the efficient blocking and filtering of particle dust and bacteria and viruses are realized, meanwhile, the replaceability of the inner layer structure and the outer layer structure of the mask is realized, the raw materials are saved, and the effective service time and the use convenience of the mask are greatly improved. The antibacterial and antiviral protective mask disclosed by the invention is environment-friendly and safe, has excellent protective effect, fully embodies the sustainable development concepts of fine chemical engineering and environmental protection, and is suitable for large-scale popularization and use.
Drawings
The invention and its advantageous technical effects are described in further detail below with reference to the accompanying drawings and detailed description, in which:
FIG. 1 is a schematic diagram of the present invention.
Reference symbol names: 1. a mask body; 2. a mask band; 3. a first module of the mask; 4. A mask second module; 5. a filter layer; 6. an antimicrobial layer; 7. an electrostatic layer; 8. a skin-friendly layer; 9. a male and female buckle seal assembly; 91. an upper sealing rib edge; 92. a lower seal groove edge; 10. a super absorbent resin nano coating.
Detailed Description
The invention will be further described below with reference to the drawings and specific examples, but the embodiments of the invention are not limited thereto.
As shown in fig. 1, an antibiotic antiviral protective facial mask, including gauze mask main part 1, gauze mask area 2, gauze mask main part 1 includes first module 3 of gauze mask and gauze mask second module 4, first module 3 of gauze mask is by outer filter layer 5 and antibiotic layer 6 of including to interior, gauze mask second module 4 is by outer including electrostatic layer 7 and close skin layer 8 to interior, first module 3 of gauze mask buckle seal assembly 9 through concave-convex with gauze mask second module 4 is connected.
Preferably, the buckle sealing assembly 9 includes an upper sealing rib edge 91 and a lower sealing groove edge 92, the upper sealing rib edge 91 is fixed to the edge of the inner surface of the first mask module 3 through hot pressing, and the lower sealing groove edge 92 and the edge of the outer surface of the second mask module 4 through hot pressing. Unsmooth knot seal subassembly 9 has excellent sealed function and can dismantle the function, will go up to seal bead limit 91 and press into down and seal recess limit 92, can realize the zonulae occludens of first module 3 of gauze mask and gauze mask second module 4, as long as pull open the edge of first module 3 of gauze mask or gauze mask second module 4 toward sealed opposite direction in addition, can realize the separation and the replacement of first module 3 of gauze mask and gauze mask second module 4. When the external environment is seriously polluted, the first module 3 of the mask can be replaced periodically to realize the high protection performance of the antibacterial and antiviral protective mask; when the close skin veneer layer is polluted by sweat stain, oil stain and the like, the effect of safe and sanitary use of the antibacterial and antiviral protective mask can be realized by replacing the second module 4 of the mask. The replaceability of the mask layer can save raw materials and greatly improve the effective service time and the use convenience of the mask.
Preferably, the filter layer 5 is a graphene filter layer. The graphene filtering layer can effectively filter micro particles in air, the graphene can perform first-layer impedance defense on dust, bacteria and viruses entering a human body, not only can cut bacterial cell membranes through insertion, but also can destroy the cell membranes through large-scale direct extraction of phospholipid molecules on the cell membranes so as to kill the bacteria. In addition, the graphene two-dimensional plane structure is high in reflection efficiency of various light rays and good in shielding effect, ultraviolet rays are protected through absorption, the ultraviolet rays with high energy are converted into fluorescence after being absorbed, the fluorescence or the fluorescence is released in a form of phosphorescence or heat energy, and the damage of the ultraviolet rays to the face and the oxidation of the nano-silver antibacterial layer can be reduced.
Preferably, the filter layer 5 further comprises activated carbon particles supported on the filter layer. The active carbon catches the absorption to the gaseous molecule of pollution and the different particle diameter solid particle in the air, improves antibiotic antiviral protective facial mask's gas protection effect and granule protective effect, also provides more active sites for the antibiotic graphite alkene.
Preferably, the antibacterial layer 6 is a nano silver antibacterial layer. The nano silver antibacterial layer can perform second-layer impedance defense on dust, bacteria and viruses which are still remained after passing through the graphene filtering layer, the nano silver has a large specific surface area and extremely high surface activity, and cell division is realized by influencing the living environment of bacteria, destroying the cell wall of the bacteria, inhibiting the respiration of bacteria-related enzymes, inhibiting the DNA replication of the bacteria and the like, so that the bacterial cells are finally killed. The nano silver has strong inhibiting and killing effects on various pathogenic microorganisms, has lasting antibacterial effect and cannot generate drug resistance.
Preferably, the particle size of the nano silver on the nano silver antibacterial layer is 3-20 nm. The long-term antibacterial efficacy of nano-silver depends on the maintenance of effective concentration of silver ions, and the minimum particle size generally has the fastest ion release rate, so the smaller the particle size of nano-silver is, the more excellent the antibacterial performance of nano-silver is.
Preferably, the electrostatic layer 7 is a meltblown electrostatic layer. The melt-blown electrostatic layer can perform third-layer impedance defense on dust, bacteria and viruses which are still left after passing through the nano silver filter layer. When dust passes through the melt-blown electrostatic layer, electrostatic interaction can not only effectively attract charged dust particles, but also capture polarized neutral particles with electrostatic induction effect. The melt-blown electrostatic layer stimulates bacteria through a strong electrostatic field and microelectronic flow, so that protein and nucleic acid of the bacteria are mutated and damaged, the surface structure of the bacteria is damaged, the metabolic process of bacterial microorganisms is blocked, the bacteria are killed, and the antibacterial and antiviral effects are achieved.
Preferably, the skin-friendly layer 8 is provided with a super absorbent resin nano coating 10. The super absorbent resin nano-coating 10 can rapidly absorb water vapor brought by respiration, and keep the antibacterial and antiviral protective mask dry and comfortable.
Preferably, the mask belt 2 is symmetrically arranged on two sides of the mask main body 1, the mask belt 2 is a graphene mask belt, and the graphene mask belt is obtained by soaking graphene antibacterial slurry in a basic mask belt and then drying the graphene antibacterial slurry. The graphene mask belt has the advantages of safety, no toxicity, high efficiency and lasting antibacterial performance of graphene and graphene.
Preferably, the electrostatic layer 7 gram weight is 25g/m2~40g/m2。
The invention has the advantages that: the graphene filtering layer, the nano-silver antibacterial layer and the melt-blown electrostatic layer are adopted to form multiple defenses against particle dust and bacteria and viruses in the air. The graphene filtering layer can realize functions of particle filtering, antibiosis and antivirus, ultraviolet resistance and the like, the nano-silver antibacterial layer can realize a high-efficiency and lasting antibiosis and antivirus function by effectively maintaining the release concentration of silver ions, and the melt-blown electrostatic layer can adsorb charged particles and polarized particles through an electrostatic induction effect and realize the antibiosis and antivirus function at the same time. The invention adopts the concave-convex buckle sealing component to realize the connection and separation of the outer layer structure and the inner layer structure of the mask. When the outer structure of the mask is seriously polluted by the outside, or when the inner structure of the mask is polluted by sweat stain, oil stain and the like on the face of people, the polluted modules can be separated and replaced.
The antibacterial and antiviral protective mask disclosed by the invention has the advantages that the efficient blocking and filtering of particle dust and bacteria and viruses are realized, meanwhile, the replaceability of the inner layer structure and the outer layer structure of the mask is realized, the raw materials are saved, and the effective service time and the use convenience of the mask are greatly improved. The antibacterial and antiviral protective mask disclosed by the invention is environment-friendly and safe, has excellent protective effect, fully embodies the sustainable development concepts of fine chemical engineering and environmental protection, and is suitable for large-scale popularization and use.
Although particular embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. An antibacterial and antiviral protective mask is characterized in that: including gauze mask main part, gauze mask area, the gauze mask main part includes gauze mask first module and gauze mask second module, gauze mask first module is by outer including filter layer and antibiotic layer to interior, gauze mask second module is by outer including electrostatic layer and close skin layer to interior, gauze mask first module through unsmooth knot seal subassembly with gauze mask second module is connected.
2. The antibacterial and antiviral protective mask according to claim 1, wherein said male and female snap seal assemblies comprise an upper seal bead and a lower seal groove, said upper seal bead being heat staked to an inner surface edge of said first module of said mask, said lower seal groove being heat staked to an outer surface edge of said second module of said mask.
3. The antibacterial and antiviral protective mask according to claim 1, wherein said male and female snap seal assemblies comprise an upper seal bead and a lower seal groove, said upper seal bead being heat staked to an outer surface edge of said second module of said mask, said lower seal groove being heat staked to an inner surface edge of said first module of said mask.
4. The antibacterial and antiviral protective mask according to claim 1, wherein the filter layer is a graphene filter layer.
5. The antibacterial and antiviral protective mask according to claim 1, wherein said filter layer further comprises activated carbon particles supported on the filter layer.
6. The antibacterial and antiviral protective mask according to claim 1, wherein said antibacterial layer is a nano silver antibacterial layer.
7. The antibacterial and antiviral protective mask according to claim 6, wherein the nano silver on the nano silver antibacterial layer has a particle size of 3 to 20 nm.
8. The antibacterial and antiviral respirator of claim 1, wherein the electrostatic layer is a meltblown electrostatic layer.
9. The antibacterial and antiviral protective mask according to claim 1, wherein said skin-friendly layer has a super absorbent resin nano-coating thereon.
10. The antibacterial and antiviral protective mask according to claim 1, wherein the mask strips are symmetrically arranged on two sides of the mask body, the mask strips are graphene mask strips, and the graphene mask strips are obtained by soaking a basic mask strip with graphene antibacterial slurry and then drying the graphene antibacterial slurry.
CN202010429249.XA 2020-05-20 2020-05-20 Antibacterial and antiviral protective mask Pending CN111466647A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010429249.XA CN111466647A (en) 2020-05-20 2020-05-20 Antibacterial and antiviral protective mask

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Application Number Priority Date Filing Date Title
CN202010429249.XA CN111466647A (en) 2020-05-20 2020-05-20 Antibacterial and antiviral protective mask

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111893643A (en) * 2020-08-12 2020-11-06 上海力祺电子科技发展有限公司 Graphene nano material melt-blown fabric
CN111887524A (en) * 2020-09-21 2020-11-06 费植煌 Active antibacterial graphene mask
CN111972743A (en) * 2020-08-28 2020-11-24 濮阳玉润新材料有限公司 Polylactic acid fiber reusable protective mask and preparation method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111893643A (en) * 2020-08-12 2020-11-06 上海力祺电子科技发展有限公司 Graphene nano material melt-blown fabric
CN111893643B (en) * 2020-08-12 2021-06-29 上海力祺电子科技发展有限公司 Graphene nano material melt-blown fabric
CN111972743A (en) * 2020-08-28 2020-11-24 濮阳玉润新材料有限公司 Polylactic acid fiber reusable protective mask and preparation method thereof
CN111887524A (en) * 2020-09-21 2020-11-06 费植煌 Active antibacterial graphene mask

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