CN113208209A

CN113208209A - Reusable nanometer gauze mask

Info

Publication number: CN113208209A
Application number: CN202110624184.9A
Authority: CN
Inventors: 李永欣
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-04
Filing date: 2021-06-04
Publication date: 2021-08-06

Abstract

The invention discloses a reusable nanometer gauze mask, and relates to the technical field of masks, comprising a mask body, wherein the lower end part of the mask body is provided with a nose bridge strip; both sides of the cover body are also provided with covered edges; ear belts are symmetrically fixed on the wrapping edges; the cover body is composed of a composite nanometer layer and a gauze layer. The invention provides a reusable nano gauze mask which has good filtering and bacteriostasis effects, can effectively block invasion of dust particles, blood plasma and other liquids, bacteria and viruses, is soft and comfortable to wear, has good air permeability, can absorb sweat and dry quickly, is warm in winter and cool in summer, can absorb exhaled hot air, cannot form a water mist layer, and cannot influence the sight of wearing glasses.

Description

Reusable nanometer gauze mask

Technical Field

The invention relates to the technical field of masks, in particular to a reusable nano gauze mask.

Background

The disposable mask on the market at present has unstable filtering efficiency, is easy to sweat to cause cross infection when being worn in sultry, and is easy to be infected by medical care personnel in the process of helping patients. From the environmental protection perspective, the probability of secondary pollution caused by replacing one of the containers every four hours is very high, and serious waste is caused to the society.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a reusable nano gauze mask.

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

a reusable nanometer gauze mask comprises a mask body, wherein a nose bridge strip is arranged at the lower end part of the mask body; both sides of the cover body are also provided with covered edges; ear belts are symmetrically fixed on the wrapping edges; the cover body is composed of a composite nanometer layer and a gauze layer.

Furthermore, the composite nano layer is composed of a non-woven fabric hydrophobic surface layer, an antibacterial core nano membrane filter layer and a nano membrane protective non-woven fabric.

Further, the hydrophobic surface layer of the non-woven fabric is specifically a hydrophobic polypropylene non-woven fabric.

Furthermore, the antibacterial core nano-membrane filter layer is a nano-bionic membrane prepared by an electrostatic spinning method.

Furthermore, the antibacterial core nano-membrane filter layer is a PTFE film prepared from a polytetrafluoroethylene PTFE high polymer material by a unidirectional or bidirectional stretching method.

Further, the nano-film protective non-woven fabric is specifically a polypropylene non-woven fabric.

Further, the gauze layer is made of medical pure cotton gauze.

Compared with the prior art, the invention has the beneficial effects that:

the invention provides a reusable nano gauze mask which has good filtering and bacteriostasis effects, can effectively block invasion of dust particles, blood plasma and other liquids, bacteria and viruses, is soft and comfortable to wear, has good air permeability, can absorb sweat and dry quickly, is warm in winter and cool in summer, can absorb exhaled hot air, cannot form a water mist layer, and cannot influence the sight of wearing glasses.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.

Fig. 1 is a schematic front structural view of a reusable nano-gauze mask according to the present invention;

FIG. 2 is a schematic view of the back side of a reusable nano-gauze mask according to the present invention;

fig. 3 is a schematic cross-sectional view of a reusable nano-gauze mask according to the present invention.

In the figure: 1 cover body, 2 ear belts, 3 nose bridge strips, 4 wrapping edges, 5 composite nano layers and 6 gauze layers.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example 1

A reusable nanometer gauze mask comprises a mask body 1, wherein a nose bridge strip 3 is arranged at the lower end part of the mask body 1; both sides of the cover body 1 are also provided with covered edges 4; ear belts 2 are also symmetrically fixed on the edge-covering 4; the cover body 1 is composed of a composite nanometer layer 5 and a gauze layer 6.

The composite nano layer 5 consists of a non-woven fabric hydrophobic surface layer, an antibacterial core nano membrane filter layer and a nano membrane protector non-woven fabric.

The hydrophobic surface layer of the non-woven fabric is specifically hydrophobic polypropylene non-woven fabric.

The antibacterial core nano-membrane filter layer is a nano-bionic membrane prepared by an electrostatic spinning method.

The antibacterial core nano-membrane filter layer is a PTFE film prepared from a polytetrafluoroethylene PTFE high polymer material by a unidirectional or bidirectional stretching method.

The nanometer film protective non-woven fabric is a polypropylene non-woven fabric.

The gauze layer 6 is made of pure cotton medical gauze, and is composed of 30/28-mesh 40-count gauze.

The ear belt 2 is an elastic rope woven by elastic terylene and spandex. The cover body 1 is formed by connecting and fixing a plurality of layers of materials through ultrasonic welding, and two ear belts 2 are fixed at two sides of the inner side of the outer surface of the cover body 1.

The antibacterial core nano-film filter layer can effectively intercept particles such as dust, bacteria and viruses in the air and can effectively obstruct liquid pollutants such as plasma, and the antibacterial core nano-film filter layer is made of nano-fibers with antibacterial effect through an electrostatic spinning method, the nano-fibers have the filtering advantages of fine fibers, small pore size, fluffy structure, small resistance, high efficiency and the like, and the fibers have antibacterial and bacteriostatic effects.

The antibacterial core nano-membrane filter layer is a PTFE film prepared from a polytetrafluoroethylene PTFE high polymer material by a unidirectional or bidirectional stretching method, has a spider-web-type microporous structure on the surface, and has very complicated changes such as net-shaped communication, hole bushing, pore channel bending and the like on a three-dimensional structure, so that the antibacterial core nano-membrane filter layer has an excellent surface filtering function.

The PTFE membrane has a fibril microporous structure, the porosity is more than 95%, 14 hundred million micropores are formed in each square centimeter, the pore size range is 100 plus 200 nanometers, the physical isolation is realized, the filtration efficiency is high and can reach 99.99%, and the zero emission is approximate.

The PTFE membrane is a microporous membrane produced by adopting polytetrafluoroethylene dispersion resin and carrying out special processes such as premixing, extrusion, calendering, biaxial stretching and the like.

The surface morphology of the PTFE microporous membrane has a spider-web-like microporous structure. Pores are formed among the microfibers, and the arrangement direction of the microfibers is basically parallel to the stretching direction; the junctions of the fiber bundles are nodes formed by entanglement of a plurality of microfibers.

The PTFE membrane belongs to an asymmetric membrane, and the sizes of micropores on the front side and the back side of the membrane are different.

The membrane has cross-sectional pore size larger than that of its surface, and also has different longitudinal and transverse pore sizes, with the longitudinal pores being larger than the transverse ones.

The cross section of the membrane is of a network structure, the three-dimensional structure of the pores has very complicated changes such as net communication, pore insert sleeves, pore channel bending and the like, and a plurality of micropores can form a channel or be connected with a plurality of channels.

The antibacterial core nano-film filter layer can also be composed of antibacterial nylon nano-fibers with the silk diameter of 100-200 nm. The manufacturing method comprises the following steps:

1) weighing 18 parts of polycaprolactam, 1 part of triclosan and 81 parts of formic acid in a container, placing the container in a water bath at 80 ℃, heating and stirring the mixture until the mixture is dissolved, and preparing a transparent solution.

2) And (3) placing the prepared solution in an electrostatic spinning device for spinning, and receiving by using a coarse filter layer to obtain the antibacterial nylon nano fiber with the yarn diameter of 100-200 nm.

In addition, the antibacterial core nano-membrane filter layer can also be composed of antibacterial polyacrylonitrile nano-fibers with the fiber diameter of 500-1000 nm.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A reusable nanometer gauze mask comprises a mask body (1), and is characterized in that a nose bridge strip (3) is arranged at the lower end part of the mask body (1); both sides of the cover body (1) are also provided with covered edges (4); ear belts (2) are symmetrically fixed on the edge covers (4); the cover body (1) is composed of a composite nano layer (5) and a gauze layer (6).

2. The reusable nano-gauze mask according to claim 1, wherein the composite nano-layer (5) is composed of a non-woven hydrophobic surface layer, an antibacterial core nano-membrane filter layer and a nano-membrane protector non-woven fabric.

3. The reusable nano-gauze mask as recited in claim 2, wherein the hydrophobic surface layer of the nonwoven fabric is a hydrophobic polypropylene nonwoven fabric.

4. The reusable nano-gauze mask of claim 2, wherein the antibacterial core nano-membrane filter layer is a nano-biomimetic membrane prepared by an electrospinning method.

5. The reusable nano-gauze mask according to claim 4, wherein the antibacterial core nano-membrane filtration layer is a PTFE film prepared from a PTFE polymer material by a unidirectional or bidirectional stretching method.

6. The reusable nano-gauze mask as claimed in claim 2, wherein the nano-film protective non-woven fabric is a polypropylene non-woven fabric.

7. The reusable nano-gauze mask according to claim 1, wherein the gauze layer (6) is made of pure cotton medical gauze.