CN112315060A - Antibacterial and gas-defense mask and using method thereof - Google Patents

Antibacterial and gas-defense mask and using method thereof Download PDF

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Publication number
CN112315060A
CN112315060A CN202011203803.9A CN202011203803A CN112315060A CN 112315060 A CN112315060 A CN 112315060A CN 202011203803 A CN202011203803 A CN 202011203803A CN 112315060 A CN112315060 A CN 112315060A
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China
Prior art keywords
antibacterial
mask
gas
chip
metal ions
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CN202011203803.9A
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Chinese (zh)
Inventor
王学文
王懿
孟钰麒
谭梦洵
王明玉
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Ningbo Fmr Environ & Tech Co ltd
Central South University
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Ningbo Fmr Environ & Tech Co ltd
Central South University
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Priority to CN202011203803.9A priority Critical patent/CN112315060A/en
Publication of CN112315060A publication Critical patent/CN112315060A/en
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    • AHUMAN NECESSITIES
    • A41WEARING APPAREL
    • A41DOUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D13/00Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
    • A41D13/05Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
    • A41D13/11Protective face masks, e.g. for surgical use, or for use in foul atmospheres
    • A41D13/1192Protective face masks, e.g. for surgical use, or for use in foul atmospheres with antimicrobial agent
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/38Removing components of undefined structure
    • B01D53/40Acidic components
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/81Solid phase processes

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biomedical Technology (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Textile Engineering (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)

Abstract

An antibacterial gas mask comprises a mask body, an antibacterial chip, a gas chip and a mask belt; the mask body is provided with an inner layer, a middle layer and an outer layer, wherein the inner layer is woven or non-woven fabric, the middle layer is superfine polypropylene fiber melt-blown material, the outer layer is woven or non-woven fabric, the layers are not bonded, the antibacterial chip and the gas chip are respectively clamped between the inner layer and the middle layer and between the middle layer and the outer layer, and the specific using method is as follows: before the mask is used, the antibacterial chip and the gas defense chip are respectively clamped between the inner layer and the middle layer of the mask body and between the middle layer and the outer layer, and the mask is worn well, is used in the environment with respiratory tract and droplet infectious diseases, and can be antibacterial and gas defense. After the antibacterial gas mask is used, the antibacterial chip and/or the gas protection chip can be taken out periodically for replacement and reuse, and the antibacterial gas mask has the advantages of simple manufacture, comfortable wearing, convenient replacement, good antibacterial and gas protection effects and the like.

Description

Antibacterial and gas-defense mask and using method thereof
Technical Field
The invention belongs to the field of health and epidemic prevention, and particularly relates to an antibacterial and gas-defense mask and a using method thereof.
Background
The mask is an essential protective article for living in areas with respiratory tract and droplet spreading diseases, especially in areas with epidemic new coronary disease. At present, most masks on the market are disposable physical filtration protective masks, and can only isolate droplets, microorganisms, dust and the like in the air through electrostatic adsorption. However, microorganisms such as bacteria and viruses adsorbed on the mask cannot be killed, and the used mask must be incinerated or otherwise disposed of, which may cause environmental pollution and even secondary contamination of pathogens. Although antibacterial masks are also available on the market, when the antibacterial masks are used in an environment containing low-concentration harmful gases, the antibacterial materials on the masks are quickly denatured and ineffective. Therefore, the development of masks having antibacterial and gas defense functions is urgent.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide an antibacterial and gas-defense mask and a using method thereof, which are based on the conventional mask, increase the antibacterial and gas-defense effects, have the advantages of simple manufacture, comfortable wearing, convenient replacement and the like, and can be repeatedly used after the used mask is replaced with the antibacterial chip and/or the gas-defense chip regularly.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
the invention relates to an antibacterial and gas defense mask, which consists of a mask body, an antibacterial chip, a gas defense chip and a mask belt; the mask body is provided with an inner layer, a middle layer and an outer layer, the inner layer is made of woven or non-woven fabric, the middle layer is made of superfine polypropylene fiber melt-blown material, the outer layer is made of woven or non-woven fabric, the layers are not bonded, and the antibacterial chip and the gas chip are respectively clamped between the inner layer and the middle layer and between the middle layer and the outer layer. The invention adopts the antibacterial chip and the gas defense chip as the interlayer of the common mask, so that the antibacterial and gas defense functions are simultaneously added on the basis of the common mask.
According to the antibacterial and gas defense mask, the used antibacterial chip and the gas defense chip can be extracted from the mask body, and the new antibacterial chip and/or the gas defense chip can be replaced for reuse.
The invention relates to an antibacterial and gas-defense mask, wherein an antibacterial chip is prepared by soaking absorbent fiber or sponge with good air permeability and water absorbability, which is similar to the mask body in size, in a solution or/and slurry containing metal ions, so that the metal ions are adsorbed or deposited on the surface of the fiber or in holes of the sponge, airing, and independently packaging for later use, wherein the obtained antibacterial chip is placed in a wet CO-containing mask for later use2The metal ions in the air can be slowly released, and the pathogens contacting with the metal ions can be killed.
The invention relates to an antibacterial and gas-defense mask, wherein a gas-defense chip is formed by immersing degreased fibers or sponges which have the same size as a mask body and good air permeability and water absorbability in solution or/and slurry of alkaline substances capable of absorbing acidic toxic gas and then drying the immersed degreased fibers or sponges, and is independently packaged for later use, and the capacity of the obtained gas-defense chip for absorbing the acidic toxic gas is reduced to SO2≥500mg。
The invention relates to an antibacterial and anti-poison mask, wherein the soaking refers to that degreasing fiber or sponge is soaked in a solution containing metal ions, so that the metal ions are adsorbed on the surface of the degreasing fiber or in the holes of the sponge, or a precipitator is added so that the metal ions are deposited on the surface of the degreasing fiber or in the holes of the sponge in the form of hydroxide, oxide, carbonate or basic carbonate, or the degreasing fiber or sponge is directly soaked in a slurry containing the hydroxide, oxide, carbonate or basic carbonate of the metal ions so that the metal ions are deposited on the surface of the degreasing fiber or in the holes of the sponge.
The invention relates to an antibacterial and gas defense mask, wherein the metal ions are metal ions which have the effect of inhibiting and killing microorganisms such as bacteria, viruses and the like, and preferably Ag+、Cu+And Cu2+At least one of (1).
The invention relates to an antibacterial and anti-poison mask, wherein the slurry is prepared by adding water into at least one of silver oxide, copper oxide, cuprous oxide, copper hydroxide, copper carbonate and basic copper carbonate and blending the mixture to obtain slurry with the solid-to-liquid ratio S/L of 1: 1-10.
The invention relates to an antibacterial and anti-poison mask, wherein the alkaline substance is at least one selected from sodium carbonate, sodium bicarbonate, potassium carbonate, potassium bicarbonate, calcium oxide, calcium hydroxide, magnesium oxide, magnesium hydroxide, magnesium carbonate and calcium carbonate.
According to the antibacterial gas mask, the filtering efficiency of particulate matters is more than or equal to 95%, and the bacteriostasis rate is more than or equal to 99.9%; the air suction resistance of the mask is less than or equal to 343.2Pa under the condition that the air flow is 85L/min; in SO2≤0.015g/m3Or/and Cl is less than or equal to 0.01g/m3In the environment of (1), the mask filtered gas contains SO2≤0.1mg/m3、Cl≤0.05mg/m3
Before the mask is used, the antibacterial chip and the gas defense chip are respectively clamped between the inner layer and the middle layer of the mask body and between the middle layer and the outer layer, and the mask is worn well and used in the environment with respiratory tract and droplet infectious diseases, so that the mask can be antibacterial and gas defense. After the antibacterial gas mask is used, the antibacterial chip and/or the gas protection chip can be taken out periodically for replacement and reuse.
Compared with the prior art, the invention has the following advantages and effects:
1. the invention adds the antibacterial chip on the basis of the conventional mask, so that the microbes such as bacteria, viruses and the like in the inhaled or exhaled gas can be effectively killed in time after contacting with the antibacterial chip, and after the antibacterial chip is taken out from the used mask, a new antibacterial chip can be replaced for reuse, thereby prolonging the service life of the mask, saving resources and reducing environmental pollution.
2. The invention adds the anti-poison chip on the basis of the conventional mask, can absorb acidic and toxic gas in the air filtered by the mask in time, avoids the harm to a wearer caused by the fact that the anti-bacterial chip is contacted with metal ions to be dissolved out in a large quantity, can kill microorganisms such as bacteria and viruses in the air filtered by the mask, and further improves the anti-bacterial efficiency of the mask.
3. The antibacterial and gas defense chip is additionally arranged in the mask, the antibacterial and gas defense functions are added on the basis of the traditional mask, and the antibacterial chip and/or the gas defense chip can be taken out periodically for replacement and reuse after the mask is used.
Drawings
FIG. 1 is a schematic view of the structure of an antibacterial gas mask:
FIG. 2 is a view taken along line A-A of FIG. 1:
wherein, 1, a mask body; 2. an antibacterial chip; 3. a gas chip; 4. a mask band;
101. an inner layer; 102. a middle layer; 103. and (4) an outer layer.
Detailed Description
The invention will now be further described with reference to the following examples, which are intended to illustrate the invention but not to limit it further.
Example 1
Referring to fig. 1 and 2, the antibacterial and gas defense mask of the present invention comprises a mask body 1, an antibacterial chip 2, a gas defense chip 3 and a mask belt 4, and is characterized in that: the mask body 1 is provided with an inner layer, a middle layer and an outer layer, the inner layer 101 is woven or non-woven fabric, the middle layer 102 is superfine polypropylene fiber melt-blown material, the outer layer 103 is woven or non-woven fabric, the layers are not bonded, the antibacterial chip 2 and the gas chip 3 are respectively clamped between the inner layer 101 and the middle layer 102 and between the middle layer 102 and the outer layer 103, on the basis of a conventional mask, the antibacterial and gas-proof functions are added, the used chip can be extracted from the mask body, and the antibacterial chip and/or the gas chip can be replaced by a new antibacterial chip and/or a new gas chip for reuse.
For convenient replacement, the antibacterial chip is prepared by soaking absorbent fiber or sponge with good air permeability and water absorbability similar to the mask body in solution or/and slurry containing metal ions, so that the metal ions are adsorbed or deposited on the surface of the fiber or in the holes of the sponge, air drying, and independently packaging for later use; placing the obtained antibacterial chip in a humid atmosphere containing CO2The metal ions can be slowly released in the air to kill pathogens contacting with the air;
the metal ion isIt refers to metal ions with inhibiting and killing effect on bacteria, viruses, etc., preferably Ag+、Cu+And Cu2+At least one of (1).
The slurry is prepared by adding water to at least one of silver oxide, copper oxide, cuprous oxide, copper hydroxide, copper carbonate and basic copper carbonate and is mixed into slurry with the solid-to-liquid ratio S/L of 1: 1-10.
The gas chip is prepared by soaking absorbent fiber or sponge with good air permeability and water absorbability, which has similar size to the mask body, in solution or/and slurry of alkaline substance capable of absorbing acidic toxic gas, air drying, and packaging independently for use, wherein the capacity of the obtained gas chip for absorbing acidic toxic gas is reduced by SO2≥500mg;
The alkaline substance is at least one selected from sodium carbonate, sodium bicarbonate, potassium carbonate, potassium bicarbonate, calcium oxide, calcium hydroxide, magnesium oxide, magnesium hydroxide, magnesium carbonate and calcium carbonate.
According to the antibacterial gas mask, the filtering efficiency of particulate matters is more than or equal to 95%, and the bacteriostasis rate is more than or equal to 99.9%; the air suction resistance of the mask is less than or equal to 343.2Pa under the condition that the air flow is 85L/min; in SO2≤0.015g/m3Or/and Cl is less than or equal to 0.01g/m3In the environment of (1), the mask filtered gas contains SO2≤0.1mg/m3、Cl≤0.05mg/m3
The specific use method comprises the following steps:
before the antibacterial gas mask is used, the antibacterial chip and the gas chip are respectively clamped between the inner layer and the middle layer of the mask and between the middle layer and the outer layer, the antibacterial gas mask is worn well, and can be used in the environment with respiratory tract and droplet infectious diseases for resisting bacteria and preventing gas, and after the mask is used, the antibacterial chip and/or the gas chip can be periodically taken out for replacement and reuse.
Example 2
After the epidemic situation, a certain cinema is opened again, the cinema is completely epidemic-prevention and disinfection by using bus disinfectant immediately after each showing is finished, the next audience must wear the mask when entering the cinema, wherein a part of the audience wears the common mask, and the other part of the audience wears the antibacterial and antivirus mask. Wear ordinary mouthThe viewers of the mask can feel a strong chlorine smell (Cl-0.1 mg/m)3) The audience wearing the antibacterial and gas-defense mask can not feel the residual smell (Cl) of epidemic prevention and disinfection in the cinema<0.03mg/m3) The gas chip of the respirator worn by the user is clamped between the outer layer and the middle layer of the respirator body, and the antibacterial chip is clamped between the inner layer and the middle layer of the respirator body. The antibacterial chip is formed by soaking the superposed medical gauze in nano copper oxide slurry and then drying the medical gauze; the gas-defense chip is formed by soaking superposed medical gauze in saturated sodium carbonate solution and then drying the medical gauze. The comparison shows that under the condition of the same air suction resistance (the air flow is 85L/min, the air suction resistance of the mask is less than or equal to 343.2Pa), the filtering performance of the solid particles of the antibacterial and gas-proof mask is close to that of the common mask, and the filtering efficiency of the particles of the antibacterial and gas-proof mask is the same as that of the common mask>95 percent, but the antibacterial ability of the antibacterial and anti-poison mask is much stronger than that of the common mask, the bacterial filtering rate of the common mask is 95 percent, and the bacterial killing rate of the antibacterial and anti-poison mask can reach more than or equal to 99.9 percent.

Claims (10)

1. An antibacterial gas mask is characterized in that: the mask comprises a mask body, an antibacterial chip, an anti-poison chip and a mask belt, wherein the mask body is provided with an inner layer, a middle layer and an outer layer, the inner layer is woven or non-woven fabric, the middle layer is superfine polypropylene fiber melt-blown material, the outer layer is woven or non-woven fabric, the layers are not bonded, and the antibacterial chip and the anti-poison chip are respectively clamped between the inner layer and the middle layer and between the middle layer and the outer layer.
2. The antibacterial and gas mask according to claim 1, wherein: the used antibacterial chip and the used gas defense chip can be drawn out from the mask body, and the new antibacterial chip and/or the new gas defense chip can be replaced for reuse.
3. The antibacterial and anti-poison respirator according to claim 1 or 2, wherein: the antibacterial chip is prepared by soaking defatted fiber or sponge with good air permeability and water absorbability similar to the mask body in solution or/and slurry containing metal ions, so that the metal ions are adsorbed or deposited on the fiber surface or in the holes of the spongeAir drying, packaging, and placing the obtained antibacterial chip in wet CO-containing solution2The metal ions in the air can be slowly released, and the pathogens contacting with the metal ions can be killed.
4. The antibacterial and anti-poison respirator according to claim 1 or 2, wherein: the gas chip is prepared by soaking absorbent fiber or sponge with good air permeability and water absorbability similar to the size of the mask body in solution or/and slurry of alkaline substance capable of absorbing acidic toxic gas, air drying, and packaging independently for later use, wherein the capacity of the obtained gas chip for absorbing acidic toxic gas is reduced by SO2≥500mg。
5. The antibacterial and gas mask according to claim 3, wherein: the soaking refers to soaking the degreased fiber or the sponge in a solution containing metal ions to adsorb the metal ions on the surface of the degreased fiber or in the holes of the sponge, or adding a precipitator to deposit the metal ions on the surface of the degreased fiber or in the holes of the sponge in the form of hydroxide, oxide, carbonate or basic carbonate, or directly soaking the degreased fiber or the sponge in a slurry containing the hydroxide, oxide, carbonate or basic carbonate of the metal ions to deposit the metal ions on the surface of the degreased fiber or in the holes of the sponge.
6. The antibacterial and gas mask according to claim 3, wherein: the metal ions are metal ions having an inhibiting and killing effect on microorganisms.
7. The antibacterial and gas mask according to claim 3, wherein: the slurry is prepared by adding water to at least one of silver oxide, copper oxide, cuprous oxide, copper hydroxide, copper carbonate and basic copper carbonate and is mixed into slurry with the solid-to-liquid ratio S/L of 1: 1-10.
8. The antibacterial and gas mask according to claim 4, wherein: the alkaline substance is at least one selected from sodium carbonate, sodium bicarbonate, potassium carbonate, potassium bicarbonate, calcium oxide, calcium hydroxide, magnesium oxide, magnesium hydroxide, magnesium carbonate and calcium carbonate.
9. The antibacterial respirator according to any one of claims 1 to 8, wherein: the filtering efficiency of the particles of the antibacterial and gas-defense mask is more than or equal to 95 percent, and the bacteriostasis rate is more than or equal to 99.9 percent; the air suction resistance of the mask is less than or equal to 343.2Pa under the condition that the air flow is 85L/min; in SO2≤0.015g/m3Or/and Cl is less than or equal to 0.01g/m3In the environment of (1), the mask filtered gas contains SO2≤0.1mg/m3、Cl≤0.05mg/m3
10. The method of using the antibacterial respirator of any one of claims 1 to 9, wherein: before the mask is used, the antibacterial chip and the gas chip are respectively clamped between the inner layer and the middle layer of the mask body and between the middle layer and the outer layer, and the mask is worn and can be used in the environment with respiratory tract and droplet infectious diseases.
CN202011203803.9A 2020-11-02 2020-11-02 Antibacterial and gas-defense mask and using method thereof Pending CN112315060A (en)

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140182602A1 (en) * 2012-12-28 2014-07-03 San-M Package Co., Ltd. Mask
CN204393419U (en) * 2014-12-25 2015-06-17 天津市蓟县人民医院 Disposable composite type medical Antimicrobial protective mask
CN105054398A (en) * 2015-07-16 2015-11-18 鑫缘茧丝绸集团股份有限公司 Daily mouth-muffle with dust prevention effect
CN206079125U (en) * 2016-08-26 2017-04-12 湖南福尔康医用卫生材料股份有限公司 Anti -allergic formula filter core gauze mask
CN206933401U (en) * 2017-06-08 2018-01-30 天津中环行深环保科技有限公司 A kind of gauze mask with filtering sandwich layer
CN110313661A (en) * 2018-03-29 2019-10-11 长沙理工大学 One kind can bactericidal oxygenation and deodorization gas defence haze purification mask
CN110614032A (en) * 2019-09-26 2019-12-27 成都易态科技有限公司 Preparation method of filter material
DE202020105751U1 (en) * 2020-02-14 2020-10-22 Guangzhou New Stone Automotive Products Co., Ltd. An antivirus N95 filter element

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140182602A1 (en) * 2012-12-28 2014-07-03 San-M Package Co., Ltd. Mask
CN204393419U (en) * 2014-12-25 2015-06-17 天津市蓟县人民医院 Disposable composite type medical Antimicrobial protective mask
CN105054398A (en) * 2015-07-16 2015-11-18 鑫缘茧丝绸集团股份有限公司 Daily mouth-muffle with dust prevention effect
CN206079125U (en) * 2016-08-26 2017-04-12 湖南福尔康医用卫生材料股份有限公司 Anti -allergic formula filter core gauze mask
CN206933401U (en) * 2017-06-08 2018-01-30 天津中环行深环保科技有限公司 A kind of gauze mask with filtering sandwich layer
CN110313661A (en) * 2018-03-29 2019-10-11 长沙理工大学 One kind can bactericidal oxygenation and deodorization gas defence haze purification mask
CN110614032A (en) * 2019-09-26 2019-12-27 成都易态科技有限公司 Preparation method of filter material
DE202020105751U1 (en) * 2020-02-14 2020-10-22 Guangzhou New Stone Automotive Products Co., Ltd. An antivirus N95 filter element

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