CN111329146A - Sterilizing mask based on attapulgite and quaternary ammonium salt - Google Patents
Sterilizing mask based on attapulgite and quaternary ammonium salt Download PDFInfo
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- CN111329146A CN111329146A CN202010173578.2A CN202010173578A CN111329146A CN 111329146 A CN111329146 A CN 111329146A CN 202010173578 A CN202010173578 A CN 202010173578A CN 111329146 A CN111329146 A CN 111329146A
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- mask
- attapulgite
- quaternary ammonium
- ammonium salt
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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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- 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
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- Engineering & Computer Science (AREA)
- Textile Engineering (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 attapulgite and quaternary ammonium salt based sterilization mask which comprises a mask body and ear bands connected to two sides of the mask body, wherein a filter bag with an open upper part is arranged on the inner side surface of the mask body, a filter sheet matched with the inner part of the filter bag in size is arranged in the filter bag, the filter sheet comprises a non-woven fabric layer, a sterilization layer and a non-woven fabric layer which are arranged in a laminated mode, the sterilization layer is prepared by solidifying a porous film soaked with sterilization sol, and the sterilization sol comprises attapulgite and quaternary ammonium salt. The mask disclosed by the invention can filter haze heavy metal ions in air and simultaneously carry out sterilization and virus resistance; the exhaled water vapor can be quickly absorbed, and the adverse effect of water mist on wearing glasses in winter is reduced; the filter disc is replaceable and can be reused after being washed.
Description
Technical Field
The invention relates to the technical field of sanitary protective articles, in particular to a sterilizing mask based on attapulgite and quaternary ammonium salt.
Background
As a common sanitary protective product, the types and functions of masks are different, wherein common gauze or non-woven fabric masks cannot effectively isolate microorganisms such as viruses and the like due to single function and are gradually eliminated. With the frequent occurrence of public health and safety events, how to effectively control and eliminate the growth and spread of harmful bacteria and viruses remains an important topic closely related to human health. Various bacteria, viruses, mycoplasma, chlamydia and other microorganisms exist in the air, are usually attached to suspended particles in the air and are transmitted along with the air, and infectious diseases such as asthma, pneumonia and the like can be caused, and serious people even die due to infection. The outbreak of the novel coronavirus makes public aware of the necessity of wearing the mask outdoors, and the selection of a degerming and antivirus mask is particularly important; however, the existing mask has the problems that the adsorption effect on the granular harmful substances with small grain diameter (such as less than 2.5 mu m) is poor, the anti-virus and sterilization effects cannot reach the expected effect, and the air permeability and the filterability after water absorption are poor or the mask cannot be reused. 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 sterilizing mask based on attapulgite and quaternary ammonium salt, which aims to solve the problems that the prior mask does not simultaneously adsorb harmful substances with small particle size, prevent viruses, remove bacteria and be repeatedly used.
The technical scheme of the invention is as follows:
the sterilizing mask comprises a mask body and ear belts connected to two sides of the mask body, wherein a filter bag with an open upper part is arranged on the inner side surface of the mask body, a filter sheet matched with the inside of the filter bag in size is arranged in the filter bag, the filter sheet comprises a non-woven fabric layer, a sterilizing layer and a non-woven fabric layer which are arranged in a laminated mode, the sterilizing layer is prepared by curing a porous film soaked with sterilizing sol, and the sterilizing sol comprises attapulgite and quaternary ammonium salt.
Has the advantages that: the attapulgite in the invention has light weight and unique dispersibility and adsorptivity; the quaternary ammonium salt has good antibacterial effect; the sterilization layer in the filter disc of the mask has strong sterilization and antivirus effects and good adsorbability, the strong sterilization and antivirus effects enable the mask to perform sterilization and antivirus while filtering haze heavy metal ions in air, and the good adsorbability enables the mask to quickly absorb exhaled water vapor, so that adverse effects of water mist on glasses wearing in winter are reduced; the structure of the replaceable filter disc enables the mask to be reusable.
Drawings
Fig. 1 is a schematic structural diagram of an attapulgite and quaternary ammonium salt based antiseptic mask in an embodiment.
Fig. 2 is a schematic cross-sectional view of a filter provided in the mask shown in fig. 1 according to the embodiment.
Detailed Description
The invention provides a sterilizing mask based on attapulgite and quaternary ammonium salt, which is further detailed below in order to make the purpose, technical scheme and effect of the invention clearer and clearer. 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 an attapulgite and quaternary ammonium salt based sterilization mask, which has a structure shown in figure 1 and comprises a mask body 1 and ear bands 4 connected to two sides of the mask body, wherein the inner side surface of the mask body 1 is provided with a filter bag 2 with an open upper part, a filter sheet 3 matched with the inner size of the filter bag is arranged in the filter bag 2, further, the cross-sectional structure of the filter sheet 3 is shown in figure 2 and comprises a non-woven fabric layer 31, a sterilization layer 32 and a non-woven fabric layer 31 which are arranged in a laminated manner, the sterilization layer 2 is prepared by curing a porous film soaked with sterilization sol, and the sterilization sol comprises attapulgite and quaternary ammonium salt.
Specifically, the attapulgite (the Chinese name: attabel, the English name: Attaplite, CAS:12174-11-7) used in this example is called attapulgite, which is a hydrous magnesium-rich silicate clay mineral with a layer chain structure, monoclinic system, rod-shaped and fibrous crystals, multiple pores and grooves on the inner surface, and developed outer surface and inner surface, and can allow cations, water molecules and organic molecules with certain sizes to enter; it is light, has unique dispersibility and adsorptivity; the quaternary ammonium salt has good antibacterial effect; the sterilization layer in the filter disc of the mask has a strong sterilization and antivirus effect and good adsorbability, the strong sterilization and antivirus effect enables the mask to perform sterilization and antivirus while filtering haze heavy metal ions in air, and the good adsorbability enables the mask to rapidly absorb exhaled water vapor, so that adverse effects of water mist on glasses wearing in winter are reduced; the structure with the replaceable filter disc enables the mask to be reusable.
In one embodiment, the bactericidal sol comprises, by weight, 15-20 parts of attapulgite, 10-15 parts of quaternary ammonium salt, 5-10 parts of a penetration enhancer, 30-50 parts of absolute ethyl alcohol and 30-40 parts of deionized water. The bactericidal sol with the components and the proportion has good bactericidal and antiviral effects, and a bactericidal layer prepared by curing the soaked porous film has good bactericidal and antiviral effects and good adsorbability.
In one embodiment, the bactericidal sol comprises 15 parts by weight of attapulgite, 10 parts by weight of quaternary ammonium salt, 5 parts by weight of penetration enhancer, 30 parts by weight of ethanol and 30 parts by weight of deionized water. The sterilization layer prepared by curing the porous film soaked by the sterilization sol with the ratio has better sterilization and antivirus effects and adsorbability.
The penetration enhancer may be fatty acid ethylene oxide or sodium dioctyl sulfosuccinate, but is not limited thereto.
In one embodiment, the quaternary ammonium salt may be dodecyl dimethyl benzyl ammonium chloride, dioctadecyl dimethyl ammonium chloride, or hexadecyl trimethyl ammonium bromide, but is not limited thereto.
In one embodiment, the method for preparing the bactericidal sol comprises the steps of: according to the weight parts, 30-40 parts of deionized water, 30-50 parts of absolute ethyl alcohol and 15-20 parts of attapulgite are mixed and stirred for 10-15min, 5-10 parts of penetration enhancer and 10-15 parts of quaternary ammonium salt are added into the mixed solution, and the mixed solution is stirred for 30-40min at the temperature of 40-45 ℃ to obtain the bactericidal sol.
In one embodiment, the method of preparing the biocidal layer includes the steps of: and (3) carrying out ultrasonic treatment on the bactericidal sol for 20-30min, soaking the porous film in the bactericidal sol for 1-2h, then taking out, soaking in an alkali solution until the porous film is solidified into a film, then taking out, and airing to obtain the bactericidal layer.
Further in one embodiment, the porous membrane may be a medical gauze, a polycarbonate membrane, a polysulfone membrane, or a cellulose acetate membrane, but is not limited thereto.
Further in one embodiment, the alkali solution is an aqueous solution of NaOH having a concentration of 9 to 12 wt% (e.g., 9 wt%).
In one embodiment, the method of making the filter includes the steps of: cutting the non-woven fabric layer and the sterilization layer into blocks, sequentially placing the non-woven fabric layer, the sterilization layer and the non-woven fabric layer into a laminated layer, and sewing or pressing the laminated layer into a sheet-shaped integrated structure to obtain the filter disc.
In one embodiment, a plastic metal strip for attaching and fixing the mask body to the bridge of the nose is provided at one side edge of the mask body near the upper portion of the filter bag.
In one embodiment, the inner side surface of the cover body is further provided with a soft nose frame, and the soft nose frame is positioned at the upper part of the filter disc bag.
In one embodiment, the non-woven fabric layer is composed of at least one of polyester fibers, polyamide fibers, carbon fibers, glass fibers, chitin fibers, flax fibers, and polypropylene.
In one embodiment, the material of the mask body is medical gauze.
The present invention will be described in detail below with reference to specific examples.
Example 1 preparation of a germicidal mask based on attapulgite and dodecyl dimethyl benzyl ammonium chloride
(1) According to the weight portion, 30 portions of deionized water are taken, 30 portions of absolute ethyl alcohol and 15 portions of attapulgite are added, the mixture is stirred for about 10min, 5 portions of fatty acid ethylene oxide and 10 portions of dodecyl dimethyl benzyl ammonium chloride are added after the mixture is uniform, and the mixture is stirred for 30min at the temperature of 40 ℃ to obtain the bactericidal sol.
(2) And (3) ultrasonically oscillating the bactericidal sol obtained above for 20min, then putting gauze into the prepared bactericidal sol, immersing the gauze fully soaked with the bactericidal sol into 9 wt% of sodium hydroxide solution to be solidified into a film, taking out and airing to obtain the bactericidal layer.
(3) And (3) cutting the polypropylene non-woven fabric and the sterilizing layer prepared in the step into blocks, and sewing the non-woven fabric, the sterilizing layer and the non-woven fabric into a sheet-shaped filter disc in a compounding manner according to the sequence of the non-woven fabric, the sterilizing layer and the non-woven fabric.
(4) Selecting medical gauze to make a mask body, arranging a soft nose frame on the inner side of the mask body, arranging a filter sheet bag with an open upper part on the lower part of the soft nose frame, placing the obtained filter sheet in the filter sheet bag, and sewing an ear belt on the mask body to obtain the attapulgite and quaternary ammonium salt based sterilization mask.
Example 2 preparation of a germicidal mask based on Attapulgite and Dioctadecyldimethylammonium chloride
The preparation procedure is the same as in example 1, except that: dodecyl dimethyl benzyl ammonium chloride was replaced with dioctadecyl dimethyl ammonium chloride.
Example 3 germicidal Performance test
30 masks prepared in examples 1-2 and 30 masks sold in the market are randomly selected respectively, and the national standard GB/T20944.3-2008, part 3 of evaluation of antibacterial performance of textiles: the quantitative antibacterial property test was carried out by the oscillation method, and the antibacterial rate against staphylococcus aureus was measured before and after washing with water for the masks manufactured in examples 1-2 and commercially available masks, and the test results are shown in table 1. Therefore, compared with the mask sold in the market, the mask prepared by the embodiment of the invention has better sterilization effect before and after washing; the filter disc in the mask can be replaced and can be reused after being cleaned, and the sterilization effect is not greatly influenced after water absorption.
TABLE 1 antibacterial test results of masks and masks commercially available from examples 1-2
In conclusion, the sterilization mask based on the attapulgite and the quaternary ammonium salt has good adsorption effect due to the attapulgite in the sterilization layer, and can effectively block large dust particles and adsorb small-particle haze, heavy metal ions and exhaled water vapor; the human body is effectively protected, and the trouble for people wearing the glasses is reduced; meanwhile, the sterilization layer contains quaternary ammonium salt which has strong sterilization and antivirus performance; the quaternary ammonium salt in the sterilizing layer is further attached to the attapulgite, so that the quaternary ammonium salt and the attapulgite have a synergistic effect, and the antiviral property is exerted with greater efficiency.
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. The sterilizing mask based on the attapulgite and the quaternary ammonium salt comprises a mask body and ear belts connected to two sides of the mask body, and is characterized in that a filter bag with an open upper part is arranged on the inner side surface of the mask body, a filter sheet matched with the inner part of the filter bag in size is arranged in the filter bag, the filter sheet comprises a non-woven fabric layer, a sterilizing layer and a non-woven fabric layer which are arranged in a laminated manner, the sterilizing layer is prepared by solidifying a porous film soaked with sterilizing sol, and the sterilizing sol comprises the attapulgite and the quaternary ammonium salt.
2. The mask according to claim 1, wherein the antiseptic sol comprises, by weight, 15-20 parts of attapulgite, 10-15 parts of quaternary ammonium salt, 5-10 parts of penetration enhancer, 30-50 parts of absolute ethyl alcohol and 30-40 parts of deionized water.
3. The antiseptic mask based on attapulgite and quaternary ammonium salt according to claim 2 wherein the penetration enhancer is fatty acid ethylene oxide or sodium dioctyl sulfosuccinate.
4. The antiseptic mask based on attapulgite and quaternary ammonium salt according to claim 1 wherein the quaternary ammonium salt is dodecyl dimethyl benzyl ammonium chloride, dioctadecyl dimethyl ammonium chloride or hexadecyl trimethyl ammonium bromide.
5. The mask according to claim 1, wherein the antiseptic sol is prepared by a method comprising the steps of: according to the weight parts, 30-40 parts of deionized water, 30-50 parts of absolute ethyl alcohol and 15-20 parts of attapulgite are mixed and stirred for 10-15min, 5-10 parts of penetration enhancer and 10-15 parts of quaternary ammonium salt are added into the mixed solution, and the mixed solution is stirred for 30-40min at the temperature of 40-45 ℃ to obtain the bactericidal sol.
6. The mask according to claim 1, wherein the antiseptic layer is prepared by a method comprising the steps of: and (3) carrying out ultrasonic treatment on the bactericidal sol for 20-30min, soaking the porous film in the bactericidal sol for 1-2h, then taking out, soaking in an alkali solution until the porous film is solidified into a film, then taking out, and airing to obtain the bactericidal layer.
7. The antiseptic mask based on attapulgite and quaternary ammonium salt according to claim 1, characterized in that the preparation method of the filter comprises the steps of: cutting the non-woven fabric layer and the sterilization layer into blocks, sequentially placing the non-woven fabric layer, the sterilization layer and the non-woven fabric layer into a laminated layer, and sewing or pressing the laminated layer into a sheet-shaped integrated structure to obtain the filter disc.
8. The antiseptic mask according to claim 1, wherein a plastic strip for attaching and fixing the mask body to the bridge of the nose is provided at the edge of one side of the mask body near the open position of the upper portion of the filter bag.
9. The sterilizing mask based on the attapulgite and the quaternary ammonium salt according to claim 1, characterized in that a soft nose frame is further arranged on the inner side surface of the mask body, and the soft nose frame is positioned on the upper part of the filter bag.
10. The antiseptic mask according to claim 1, wherein the non-woven fabric layer is made of at least one of polyester fiber, polyamide fiber, carbon fiber, glass fiber, chitin fiber, flax fiber and polypropylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010173578.2A CN111329146A (en) | 2020-03-13 | 2020-03-13 | Sterilizing mask based on attapulgite and quaternary ammonium salt |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010173578.2A CN111329146A (en) | 2020-03-13 | 2020-03-13 | Sterilizing mask based on attapulgite and quaternary ammonium salt |
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| CN111329146A true CN111329146A (en) | 2020-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010173578.2A Pending CN111329146A (en) | 2020-03-13 | 2020-03-13 | Sterilizing mask based on attapulgite and quaternary ammonium salt |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112515258A (en) * | 2020-10-30 | 2021-03-19 | 江苏新视界先进功能纤维创新中心有限公司 | Pocket-insertion type mask |
| CN114190632A (en) * | 2021-02-01 | 2022-03-18 | 高守垒 | Antibacterial breathable mask and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112515258A (en) * | 2020-10-30 | 2021-03-19 | 江苏新视界先进功能纤维创新中心有限公司 | Pocket-insertion type mask |
| CN114190632A (en) * | 2021-02-01 | 2022-03-18 | 高守垒 | Antibacterial breathable mask and preparation method thereof |
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Application publication date: 20200626 |