CN211185967U

CN211185967U - Gauze mask

Info

Publication number: CN211185967U
Application number: CN201921861816.8U
Authority: CN
Inventors: 黄雪仪
Original assignee: Spro Medical Products Xiamen Co ltd
Current assignee: Spro Medical Products Xiamen Co ltd
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2020-08-07
Anticipated expiration: 2029-10-31

Abstract

The utility model relates to a protective articles technical field provides a mask, and it is including the cover body, ear area and length adjustment device, the both ends of ear area respectively with cover body coupling, length adjustment device with the ear area is connected, length adjustment device is used for adjusting length between the ear area both ends. The mask body comprises a face layer, a sterilization layer, a filter layer and a skin-friendly layer, wherein the face layer, the sterilization layer, the filter layer and the skin-friendly layer are arranged in a stacked mode, the sterilization layer and the filter layer are located between the face layer and the skin-friendly layer, the face layer is used for being in direct contact with air, the sterilization layer is used for performing sterilization treatment on the air passing through the sterilization layer, the filter layer is used for performing filtration treatment on the air passing through the sterilization layer, and the skin-friendly layer is used for being in direct contact with the face of a human body. The utility model discloses a gauze mask has the function of disinfecting and harmful substance in the filtered air, gives people and provides a healthy, fresh respiratory environment, ensures that people's breathing is healthy.

Description

Gauze mask

[ technical field ] A method for producing a semiconductor device

The utility model relates to a protective articles technical field especially relates to a gauze mask.

[ background of the invention ]

With the development of economy, the increasingly frequent industrial activities cause serious air pollution, a large amount of particles are scattered and suspended in the atmosphere, and include PM2.5 suspended particles with toxic substances, and the PM2.5 suspended particles can enter the human body along with respiration and are accumulated in the trachea or the lung to affect health; in addition, with the rising trend of population mobility, the spreading risk of infectious diseases is increased day by day, and pathogenic bacteria can easily spread from person to person through droplets or float in the air, so that the pathogenic bacteria erupt in communities and endanger the health of the public. In view of the above problems, if proper preventive measures cannot be taken in time, the health and safety of people will be threatened, and therefore, masks with self-sterilization function and high-efficiency filtration are gradually in demand.

At present, masks are mostly made of unprocessed non-woven fabrics, although the masks have a windproof function, and filter dust in air through an adsorption principle, and block partial harmful substances, the adsorption capacity of a filter layer of the masks is generally low, the filter layer has low dust holding capacity, and is easily filled with micro dust and different harmful pollutants, so that the filtration performance and the air permeability of the masks are greatly reduced, smooth breathing is affected, the effective use time of the masks is shortened, and the masks need to be frequently replaced by users, and inconvenience is caused.

Moreover, the function of the common mask is single, and the common mask basically has no bacteriostatic or bactericidal function. After long-time use, a large amount of bacteria and harmful substances in the air are accumulated on the surface of the mask, and the mask is easy to become a hotbed for bacteria breeding and breeding in addition to a damp and warm environment.

[ Utility model ] content

The embodiment of the invention aims to provide a mask with sterilization and filtration functions.

In order to achieve the purpose, the invention adopts a technical scheme that:

provided is a mask comprising:

the mask body comprises a mask layer, a sterilization layer, a filter layer and a skin-friendly layer, wherein the mask layer, the sterilization layer, the filter layer and the skin-friendly layer are arranged in a laminated mode, the sterilization layer and the filter layer are located between the mask layer and the skin-friendly layer, the mask layer is used for being in direct contact with air, the sterilization layer is used for performing sterilization treatment on the air passing through the sterilization layer, the filter layer is used for performing filtration treatment on the air passing through the filter layer, and the skin-friendly layer is used for being in direct contact with the face of a human body;

the two ends of the ear belt are respectively connected with the cover body.

In some embodiments, the facing layer is a waterproof polypropylene nonwoven, a waterproof SMS layer nonwoven, or a waterproof all-cotton spunlace nonwoven.

In some embodiments, the biocidal layer comprises titanium dioxide.

In some embodiments, the bactericidal layer further includes a polypropylene non-woven fabric, and the titanium dioxide is disposed in the polypropylene non-woven fabric or deposited on the surface of the polypropylene non-woven fabric.

In some embodiments, the filter layer comprises graphene.

In some embodiments, the filtration layer further comprises maleated polypropylene fibers, the graphene being disposed in the maleated polypropylene fibers.

In some embodiments, the sterilizing layer is disposed before the filter layer.

In some embodiments, the skin-friendly layer is a hydrophilic polypropylene nonwoven, a hydrophilic SMS layer nonwoven, or a hydrophilic all-cotton spunlace nonwoven.

Compared with the prior art, the embodiment of the utility model provides a gauze mask includes the cover body and ear area, the both ends of ear area respectively with cover body coupling. The mask body comprises a face layer, a sterilization layer, a filter layer and a skin-friendly layer, wherein the face layer, the sterilization layer, the filter layer and the skin-friendly layer are arranged in a stacked mode, the sterilization layer and the filter layer are located between the face layer and the skin-friendly layer, the face layer is used for being in direct contact with air to filter the air passing through the face layer for the first time, the sterilization layer is used for performing sterilization treatment on the air passing through the sterilization layer, the filter layer is used for performing filtering treatment on the air passing through the filter layer to isolate bacteria, pollutants and the like which are not beneficial to human breathing from a protective layer, a healthy and fresh breathing environment is provided for people, the people can go out or work conveniently, the breathing health of the people is guaranteed, and the skin-friendly layer is used for being in direct contact with the face of the human body to further filter the air passing through the face layer.

[ description of the drawings ]

Fig. 1 is a schematic view of a mask according to an embodiment of the present invention;

fig. 2 is a sectional view of the cover in the embodiment of the present invention.

[ detailed description ] embodiments

In order to facilitate understanding of the present invention, the present invention will be described in more detail with reference to the accompanying drawings and embodiments. It is noted that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. As used herein, the terms "vertical," "horizontal," "left," "right," "upper," "lower," "inner," "outer," "bottom," and the like are used in an orientation or positional relationship indicated based on the orientation or positional relationship shown in the drawings for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or assembly so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

As shown in fig. 1 and 2, the embodiment of the present invention provides a mask 100, the mask 100 includes a mask body 10 and an ear band 20, the ear band 20 is connected to the mask body 10, the mask body 10 is used for covering the nose and mouth of a human body, and the ear band 20 is used for being hung on the ear of the human body. The mask body 10 comprises a surface layer 11, a sterilizing layer 12, a filtering layer 13 and a skin-friendly layer 14, wherein the surface layer 11, the sterilizing layer 12, the filtering layer 13 and the skin-friendly layer 14 are arranged in a stacked mode, the sterilizing layer 12 and the filtering layer 13 are both located between the surface layer 11 and the skin-friendly layer 14, the surface layer 11 is used for being in direct contact with air, the sterilizing layer 12 is used for achieving sterilization treatment on the air passing through the surface layer, the filtering layer 13 is used for achieving filtering and adsorption treatment on the air passing through the surface layer, and the skin-friendly layer 14 is used for being in direct contact with the face of a human body.

In the embodiment, the sterilizing layer 12 is disposed in front of the filtering layer 13, that is, the filtering layer 13 is disposed closer to the human face than the sterilizing layer 12. In some other embodiments, the filtering layer 13 is disposed before the sterilizing layer 12, that is, the sterilizing layer 12 is disposed closer to the human face than the filtering layer 13.

In a specific implementation, the mask body 10 is formed by sequentially laminating and pressing the surface layer 11, the sterilizing layer 12, the filtering layer 13 and the skin-friendly layer 14. In other embodiments, the cover 10 is formed by laminating and sewing the top sheet 11, the sterilizing sheet 12, the filter sheet 13, and the skin-friendly sheet 14 in this order.

The mask 100 provided by the embodiment has the functions of sterilizing, resisting bacteria, filtering and adsorbing harmful substances in the air, is suitable for different environments, provides a healthy and fresh breathing environment for people, facilitates the travel or work of people, and ensures the breathing health of people.

Specifically, the cover 11 serves as an outer layer of the enclosure 10 that is in direct contact with the air, and is configured to be in direct contact with the air to primarily filter the air to block water droplets and larger particulate contaminants, such as droplets, dust, pollen, etc., from the air. The surface layer 11 may be a waterproof polypropylene nonwoven fabric, a waterproof SMS layer nonwoven fabric, a waterproof all-cotton spunlace nonwoven fabric, or the like, and in the present embodiment, the surface layer 11 is preferably a waterproof polypropylene nonwoven fabric. In some other embodiments, the facing layer 11 may be a layer of cotton fabric.

The skin-friendly layer 14 is used as an inner layer of the mask body 10 which is directly contacted with the face of the human body, and is used for being directly contacted with the face of the human body to isolate the sterilizing layer 12 and the filtering layer 13 from the face of the human body, so that the sterilizing layer 12 and the filtering layer 13 are prevented from being directly contacted with the face of the human body, the skin-friendly layer 14 can further filter air, and residual substances of the air in the protective layer 12 are prevented from being absorbed by the nasal opening of the human body. The skin-friendly layer 14 may be a hydrophilic polypropylene nonwoven fabric, a hydrophilic SMS layer nonwoven fabric, a hydrophilic all-cotton spunlace nonwoven fabric, or the like, and in the present embodiment, the surface layer 11 is preferably a hydrophilic polypropylene nonwoven fabric. Wherein, hydrophilic polypropylene non-woven fabrics has the hygroscopic property, utilizes the hygroscopic effect of hydrophilic polypropylene non-woven fabrics to absorb the moisture in human nose oral area exhales, reduces the humidity in the space that is enclosed by the cover body 10 and the person's of wearing's nose oral area, and the uncomfortable feelings such as the oppressive sensation of easy sense when eliminating or relaxing and wearing guarantee to exhale and inspiratory smooth and easy nature to, hydrophilic polypropylene non-woven fabrics can provide soft comfortable sense of wearing for the person of wearing, improves user experience. In some other embodiments, the skin-friendly layer 14 may also be a cotton fabric layer.

The sterilizing layer 12 and the filtering layer 13 are used as the middle layers of the mask body 10 and play a main role in protecting the nose and mouth of a human body.

The sterilizing layer 12 includes a first carrier material (not shown) for carrying sterilizing nano-materials to form the sterilizing layer 12, and sterilizing nano-materials (not shown) for oxidizing and decomposing bacteria and the like in the air passing therethrough, and the sterilizing layer 12.

In this embodiment, the first carrier material is a polypropylene non-woven fabric, the nano-material for sterilization is titanium dioxide, and the titanium dioxide is combined with the polypropylene non-woven fabric to form the sterilization layer 12, wherein the polypropylene non-woven fabric is made of polypropylene resin slices, and a layer of titanium dioxide fibers is deposited on the surface of the polypropylene non-woven fabric to form the sterilization layer 12. In some other embodiments, the polypropylene resin chip and the titanium dioxide are mixed together at a high temperature to form the sterilization layer 12.

It can be understood that titanium dioxide has excellent optical properties, i.e., high refractive optical activity and high optical activity, which not only can absorb, reflect and scatter ultraviolet rays, but also can generate positively charged positive holes under the action of ultraviolet rays to form electrons and holes, thereby generating extremely strong free radicals to oxidize and degrade organic matters to achieve the effects of sterilization, deodorization and the like, and the titanium dioxide has chemical stability, thermal stability, super-hydrophilic property, non-migratory property and no harm to human bodies.

The filter layer 13 includes a second carrier material (not shown) for carrying a nano-filtration material to make the filter layer 13, and a nano-filtration material (not shown) for filtering, adsorbing, etc. particulate contaminants in the air passing therethrough.

In this embodiment, the second support material is maleated polypropylene, the nanofiltration material is graphene, and the graphene is combined with the maleated polypropylene to form the filtration layer 13. It will be appreciated that graphene has a high bulk density and surface area that is capable of adsorbing a large number of fine particles, thereby optimizing the adsorption capacity and capacity of the filter layer 13, more effectively filtering particulate contaminants from the air, and purifying the air inhaled by the wearer. Also, maleated polypropylene bonds to graphene better than other materials, making an effective, stable filter layer 13.

Through set up titanium dioxide and graphite alkene in the cover body 10, not only can optimize the dust holding capacity of the cover body 10, still can separate fine pollutant effectively to and prolonged effective use for a long time, improve the bacterinertness of the cover body 10 simultaneously, can directly eliminate the bacterium on the cover body 10 surface, avoid active bacterium to stop, prevent the secondary infection, and prevent the infringement of the physics nature, the chemistry nature and the biological nature of harmful substance in the air.

A first implementation of the specific preparation of the biocidal layer 12: firstly, melting polypropylene slices at high temperature, and preparing the polypropylene non-woven fabric by a spun-bonded technology. And secondly, adding the titanium dioxide fibers into ethanol, and performing ultrasonic dispersion for 30min to obtain uniform dispersion liquid, wherein the mass of the titanium dioxide nano fibers is 1-2%. And thirdly, soaking the polypropylene non-woven fabric into the titanium dioxide nanofiber dispersion liquid for 10-30 minutes by using a soaking method, taking out the polypropylene non-woven fabric after the polypropylene non-woven fabric is completely absorbed, and drying the polypropylene non-woven fabric at 50-60 ℃ to obtain the titanium dioxide nanofiber antibacterial fabric with the surface deposited, namely combining titanium dioxide and polypropylene to form the sterilizing layer 12.

Second implementation of the specific preparation of the biocidal layer 12: firstly, premixing titanium dioxide powder with treated surface, polypropylene slices and an auxiliary agent by adopting a master batch method, adding the premixed titanium dioxide powder into a single or double screw extruder, and carrying out melt mixing and granulation to prepare the polypropylene master batch containing 20% of nano titanium dioxide. And secondly, mixing the polypropylene master batch containing 20% of nano titanium dioxide with pure polypropylene according to a required ratio, further blending the polypropylene master batch with the pure polypropylene to obtain a polypropylene composite material containing 1-2% of nano titanium dioxide, performing melt mixing granulation, and preparing an antibacterial non-woven fabric by using a spun-bonded technology, namely combining the titanium dioxide and the polypropylene to form the antibacterial non-woven fabric, namely the sterilizing layer 12.

First implementation of the specific preparation of the filter layer 13: firstly, preparing graphene oxide by using a Hummers method, adding the graphene oxide into deionized water, carrying out ultrasonic stirring to prepare a dispersion liquid, slowly adding a maleic anhydride polypropylene melt into the dispersion liquid, and carrying out melting, stirring and compounding at a high temperature to prepare a master batch containing 1-2.5% of graphene. And secondly, preparing the graphene master batch into graphene spinning solution at a high temperature, preparing fine graphene polypropylene fibers by electrostatic spinning or high-pressure gun spraying, drying and forming to prepare a filter layer 13, namely combining graphene and polypropylene to form the filter layer 13.

The specific implementation process for preparing the mask body 10 is as follows: and bonding the surface layer 11, the sterilizing layer 12 and the filtering layer 13 and the skin-friendly layer 14 by an ultrasonic pressing method to finally obtain the mask body 10.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A mask, comprising:

the two ends of the ear belt are respectively connected with the cover body.

2. The mask of claim 1 wherein,

the surface layer is a waterproof polypropylene non-woven fabric, a waterproof SMS layer non-woven fabric or a waterproof all-cotton spunlace non-woven fabric.

3. The mask of claim 1 wherein,

the bactericidal layer includes titanium dioxide.

4. The mask of claim 3 wherein,

the sterilization layer further comprises a polypropylene non-woven fabric, and the titanium dioxide is arranged in the polypropylene non-woven fabric or deposited on the surface of the polypropylene non-woven fabric.

5. The mask of claim 1 wherein,

the filter layer includes graphene.

6. The mask of claim 5 wherein,

the filtration layer further includes maleated polypropylene fibers, the graphene being disposed in the maleated polypropylene fibers.

7. The mask of claim 1 wherein,

the sterilization layer is arranged in front of the filter layer.

8. The mask of claim 1 wherein,

the skin-friendly layer is hydrophilic polypropylene non-woven fabric, hydrophilic SMS layer non-woven fabric or hydrophilic all-cotton spunlaced non-woven fabric.