WO2022007624A1

WO2022007624A1 - Antibacterial anti-virus washable multifunctional face mask and preparation method therefor

Info

Publication number: WO2022007624A1
Application number: PCT/CN2021/101381
Authority: WO
Inventors: 万桔臣
Original assignee: 深圳市君能高芯科技有限公司
Priority date: 2020-07-10
Filing date: 2021-06-22
Publication date: 2022-01-13
Also published as: CN111631461A

Abstract

An antibacterial anti-virus washable multifunctional face mask (100) and a preparation method therefor. The face mask (100) comprises a face mask body (1) and two ear straps (2) which are respectively fixed at two ends of the face mask body (1). The face mask body (1) is formed by stacking and sewing two composite protection layers (11) opposite each other. Each of the composite protection layers (11) comprises a polyester fiber long fiber fabric layer (111) and a polyester fiber short fiber fabric layer (112) arranged on the polyester fiber long fiber fabric layer (111). In the face mask body (1), the two polyester fiber short fiber fabric layers (112) are located between the two polyester fiber long fiber fabric layers (111), and an antiviral auxiliary agent and an antibacterial auxiliary agent permeate the fiber structures of the composite protection layers (11) by means of an atomization treatment.

Description

Antibacterial and antivirus washable multifunctional mask and preparation method thereof

CROSS-REFERENCE TO RELATED APPLICATIONS

This application claims the priority of the Chinese patent application filed on July 10, 2020 with the application number 2020106617142 and the invention titled "Antibacterial and antiviral washable multifunctional mask and its preparation method", the entire contents of which are by reference Incorporated in this application.

technical field

The present application relates to the technical field of medical and health care, in particular to an antibacterial and antivirus washable multifunctional mask and a preparation method thereof.

technical background

With the society's attention to air pollution, virus droplet transmission and other hotspots, masks have become a must-have item for families. In recent years, there have been many outbreaks of viral infectious diseases, such as SARS, avian influenza, H3N2 influenza, new coronavirus pneumonia, etc., which have caused great threats to human health. Therefore, wearing masks has become a convenient and feasible protective measure. .

Masks are widely used sanitary protection products, which form a physical barrier between people's mouth and nose and the outside air, and play a role in blocking foreign objects. At present, most of the filter layers of masks used by people are cotton gauze or melt-blown non-woven fabrics, which have a blocking effect on particles such as bacteria and dust, but do not have antibacterial and antiviral functions themselves. In addition, the existing masks are usually disposable medical masks that are discarded after being used once, which will generate a large amount of medical waste and also cause a large amount of waste of medical supplies.

SUMMARY OF THE INVENTION

According to various embodiments of the present application, an antibacterial and antivirus washable multifunctional mask and a preparation method thereof are provided.

An antibacterial and antivirus washable multifunctional mask comprises a mask body and two ear straps respectively fixed on both ends of the mask body. The mask body is made of two composite protective layers that are sewn on top of each other, and each composite protective layer includes a polyester fiber long fiber fabric layer and a polyester fiber disposed on the polyester fiber long fiber fabric layer. The short fiber fabric layer, in the mask body, the two polyester fiber short fiber fabric layers are located between the two polyester fiber long fiber fabric layers, and the antiviral auxiliary agent and the antibacterial auxiliary agent are infiltrated by atomization treatment into the fiber structure of the composite protective layer.

In one embodiment, the composite protective layer is also sprayed with nano-scale silica auxiliary agent.

In one embodiment, the composite protective layer is further sprayed with a composite antibacterial and antiviral material formed by silica carbide and titania particles.

In one embodiment, the far-infrared auxiliary agent penetrates into the fiber structure of the composite protective layer by means of atomization.

In one embodiment, the polyester fiber long fiber fabric layer is a fabric whose length and width are 280×280 square inches and the surface structure is honeycomb.

In one embodiment, the polyester fiber staple fiber fabric layer is a fabric whose length and width are 300×300 square inches and the fabric surface structure is a well-shaped fabric.

In one embodiment, each of the ear straps is an elastic cord, and each of the ear straps is further provided with an ear buckle for adjusting the length of the ear strap at one end close to the mask body.

In one embodiment, the composite protective layer includes two symmetrically arranged arc portions, and the sides of the two arc portions facing away from the ear straps are formed on the center line of the mask by flat stitching. And the bone position is arranged in an arc.

In one embodiment, the bone positions of the two arc-shaped portions are further coated with hot-melt waterproof glue.

A method for preparing an antibacterial and antivirus washable multifunctional mask, comprising:

Preparation of composite protective layer fabric;

According to the shape of the human face, the composite protective layer fabric is cut out with a plurality of half arcs, and any two arcs are sewn together to form the composite protective layer;

Combining the front and back of the two described composite protective layers, sewing to form a mask body; and

Sew the two ear straps on the edges of the two ends of the mask body respectively.

In one embodiment, the front and back sides of the two composite protective layers are combined and sewn to form a mask body, including:

splicing the two arc-shaped parts together;

Suture the two said arcs using a No. 5 flat bur and 100/S PP thread; and

The hot-melt waterproof glue is bonded on the bone positions of the two arc-shaped parts by an ultrasonic hot pressing machine.

In one embodiment, the preparation of the composite protective layer fabric specifically includes:

The polyester fiber long fiber fabric layer is formed by weaving 5D ultra-high molecular polyester fiber long fiber;

On the polyester fiber long fiber fabric layer, 5D ultra-high molecular polyester fiber short fiber is used to make a polyester fiber short fiber fabric layer; wherein, the polyester fiber long fiber fabric layer and the polyester fiber short fiber fabric layer are The fabric layer constitutes the fabric;

spraying the nanoscale silica solution on the surface of the fabric; and

The far-infrared auxiliaries, the anti-influenza virus auxiliaries and the antibacterial auxiliaries are processed together through a nano-atomization device and a pressure device, so that all of them penetrate into the textile fibers of the fabric.

In one embodiment, the processing conditions of the nano-atomization device are: the temperature is 30°C-45°C, the processing time is 36h-45h, and the wind pressure is 35-38Hz.

In one embodiment, the nano-scale silica solution is sprayed on the surface of the fabric, including:

Add nano-scale silica particles into water and stir well to form a uniform nano-scale silica solution;

The nano-scale silica solution is loaded into a spray gun, and the spray gun reciprocates up and down with a spraying speed of 0.05 m/s along the unfolding direction of the fabric; and

The fabric after spraying the nano-scale silica solution is sent to a hot air penetration oven for drying treatment, and the hot air penetration temperature of the hot air penetration oven is 150-170° C., and the hot air pressure is 35-38 Hz.

In one embodiment, when spraying, the head of the spray gun is 10 cm away from the fabric, and the spray gun is perpendicular to the horizontal plane of the fabric.

In the multifunctional antibacterial, antivirus, and washable mask of the present application, the mask body is made by sewing two composite protective layers that are superimposed on each other, and the composite protective layer includes a polyester fiber long fiber fabric layer and a polyester fiber long fiber fabric layer arranged on the polyester fiber long fiber fabric layer. The polyester staple fiber fabric layer on the top, that is, the composite protective layer is made of polyester. Polyester has good wrinkle resistance, waterproof and antifouling properties, and good shape retention, so that the mask can be washed repeatedly, and its repeated use is as many as 50 times, reducing medical waste, reducing environmental pressure, and infiltrating antiviral additives and antibacterial additives into the fiber structure of the composite protective layer through the atomizer, so that the mask has antiviral and antibacterial functions, and the composite protective layer , Waterproof and breathable, the face is not easy to sweat, suitable for long-term wear.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present application more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only for the present application. In some embodiments, for those of ordinary skill in the art, other drawings can also be obtained according to these drawings without any creative effort.

FIG. 1 is a schematic structural diagram 1 of an antibacterial and antivirus washable multifunctional mask provided in an embodiment of the present application.

FIG. 2 is a second structural schematic diagram of the antibacterial and antivirus washable multifunctional mask provided by the embodiment of the present application.

FIG. 3 is a schematic structural diagram of a composite protective layer provided in an embodiment of the present application.

FIG. 4 is a flow chart of the preparation of the antibacterial and antivirus washable multifunctional mask provided in the embodiment of the present application.

FIG. 5 is a flow chart of the preparation of the composite protective layer provided by the embodiment of the present application.

Among them, the main symbols of each accompanying drawing in the figure are:

100 - Antibacterial antivirus washable multifunctional mask;

1-mask body; 11-composite protective layer; 111-polyester fiber long fiber fabric layer; 112-polyester fiber staple fiber fabric layer; 12-bone position; 13-upper flat car pressing double line; 14-lower flat car Press double pressure line; 15-side flat car pressure double line;

2- ear strap; 21- ear buckle.

detailed description

In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application clearer, the present application will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application, but not to limit the present application.

It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection Connection, or integral connection; may be mechanical connection or electrical connection; may be direct connection or indirect connection through an intermediate medium, may be internal communication between two elements or an interaction relationship between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific situations.

Referring to FIGS. 1 to 3 , an antibacterial and antivirus washable multifunctional mask 100 according to an embodiment of the present application is provided, which includes a mask body 1 and two ear straps 2 . The two ear straps 2 are respectively fixed on the two ends of the mask body 1, and the shape of the ear straps 2 fits the human ear. The mask body 1 is formed by overlapping and sewing two composite protective layers 11 facing each other. The composite protective layer 11 includes a high molecular polyester fiber long fiber fabric layer 111 and a high molecular polyester fiber short fiber fabric layer 112 , and the polyester fiber short fiber fabric layer 112 is provided on the polyester fiber long fiber fabric layer 111 . That is, the mask body 1 is made of polyester fabric with four layers of fabric layers, wherein two layers of polyester fiber short fiber fabric layers 112 are located between the two layers of polyester fiber long fiber fabric layers 111 . By using polyester to make the composite protective layer 11, because polyester has good wrinkle resistance, waterproof and anti-fouling properties, and good shape retention, the mask can be washed repeatedly, and the number of repeated use is up to 50 times, which reduces medical waste and reduces Environmental pressure.

In some embodiments, polyester fiber long fibers are used to make the outer layer of the mask body 1, and the fabric layer made of polyester fiber long fibers (commonly known as polyester filaments) has better elasticity, hand feel, wrinkle resistance and pilling resistance. In order to ensure that the mask is not deformed after multiple washings, and has good shape retention. Polyester fiber staple fibers (commonly known as polyester staple fibers) are used to make the inner layer of the mask body 1. Polyester fiber staple fibers have good wear resistance and filterability, and can effectively block droplets or virus penetration to protect the wearer and ensure The mask does not deform after multiple washings.

In this embodiment, the antiviral adjuvant (not shown in the figure) and the antibacterial adjuvant (not shown in the figure) penetrate into the fiber structure of the composite protective layer 11 through atomization treatment, which endows the mask with antiviral and antibacterial effects. Specifically, the antiviral adjuvant and the antibacterial adjuvant form a jet when passing through the atomizing component and the aerodynamic nozzle, are broken into electrostatically charged micron-sized droplets in the corona discharge chamber, and dispersed in the electrostatic atomization device and composite protection between the layers 11 and evenly sprayed on the composite protective layer 11 under the combined action of pneumatic conveying, gravity sedimentation and electrostatic adsorption. Here, the antiviral adjuvant and the antibacterial adjuvant penetrate into the outer side of the composite protective layer 11 and the inner tissue of the fiber, thereby ensuring that the mask still has antiviral and antibacterial functions after multiple washings. Specifically, the composite protective layer 11 treated by the atomization process still maintains good antibacterial and antivirus capabilities after being washed 50 times.

In the antibacterial and antivirus washable multifunctional mask 100 of the present application, polyester is used to make a mask body 1 with four layers of protective layers, wherein the outer side of the mask body 1 is a polyester fiber long fiber fabric layer 111 respectively, and the inner side of the mask body 1 is respectively It is a two-layer polyester staple fiber fabric layer 112 . The fabric layer made of polyester fiber long fiber has better elasticity, hand feeling, wrinkle resistance and anti-pilling performance, while the polyester fiber short fiber is used to make the inner layer of the mask body 1, and the wear resistance and filterability of the polyester fiber short fiber are better. It can effectively block the penetration of droplets or viruses and protect the wearer, so that the mask has good anti-wrinkle, waterproof and anti-fouling properties, good shape retention, and can be washed repeatedly. Garbage, reduce environmental pressure. In addition, the mask body 1 is also sprayed with antiviral additives and antibacterial additives, so that it has antiviral and antibacterial functions, and the fabric is waterproof and breathable, and the face is not easy to sweat, which is suitable for long-term wear.

In some embodiments, referring to FIG. 1 and FIG. 3 , the composite protective layer 11 is further sprayed with nano-scale silica additives (not shown). Nano-scale silica has good sterilization and disinfection, which can quickly eliminate and kill germs or bacteria attached to the mask body 1, inhibit the growth of germs or bacteria, and make the mask suitable for long-term wear.

In other embodiments, the composite protective layer is further sprayed with a composite antibacterial and antiviral material formed by silica carbide and titania particles (not shown). Among them, the composite antibacterial and antiviral material formed by tourmaline of silica and titanium dioxide particles, the non-woven fabric containing this material is effective against Staphylococcus aureus (Staphybcocusaureus ATCC6538), Escherichia coli (Escherichiacoli ATCC25922) and Candida albicans (Candidaalbican ATCC10231). The antibacterial rate is greater than 99%.

In some embodiments, the far-infrared auxiliary agent penetrates into the composite protective layer 11 by means of atomization. Among them, the far-infrared auxiliary agent can emit far-infrared rays. Far-infrared rays can penetrate deep into the subcutaneous tissue of the human body, increase the temperature of the deep subcutaneous skin, expand the microvessels, promote blood circulation, revive enzymes, strengthen the metabolism of blood and cells and tissues, which are of great help for cell recovery and can improve anemia. In addition, far infrared rays can dilate capillaries, promote blood circulation, reduce high blood pressure, and improve symptoms of low blood pressure. Far-infrared also has functions such as improving joint pain, improving circulatory system, enhancing metabolism and improving immunity. Therefore, adding far-infrared additives to the mask body 1 makes the mask have health care functions, and the wearer will not produce skin after long-term wear. Dry, allergic, acne and other adverse reactions, suitable for long-term wear.

In this embodiment, referring to FIG. 3 , the polyester fiber long fiber fabric layer 111 is a fabric with a length and width of 280×280 square inches and a honeycomb-like fabric structure. Here, polyester fiber long fibers are used to make high-count plateau fabrics, so that the surface of the mask body 1 is smooth, which can reduce the friction on the wearer's face, comfortable to wear, and high density, which can effectively prevent PM2.5 or more. of particulate matter, play a good role in protection.

In the present embodiment, referring to FIG. 3 , the polyester fiber staple fabric layer 112 is a fabric with a length and width of 300×300 square inches and the fabric structure is a well-shaped fabric. Here, polyester staple yarn is used to make 300×300 square inches of high-count plateau fabric, and its fineness and tightness are much higher than the protection of polyester fiber long fiber fabric layer 111, which can effectively prevent particulate matter above PM2.5 The fourth layer of fabric (that is, the polyester fiber long fiber fabric layer 111 that is close to the wearer's face) infiltrated into the mask body 1, plays a good anti-virus effect, and plays a role for the polyester fiber long fiber fabric layer 111. Set off a very wide role.

As can be seen from the above, the composite protective layer 11 used to make the mask body 1 is made of high-count and high-density raw materials from the upper and lower layers, and the fabric is smooth. Therefore, the finished product will be very comfortable after touching the facial skin, which is suitable for users to wear for a long time. In addition, the fabric is woven with polyester fiber long fibers and polyester fiber short fibers to form a high-count plateau fabric with a double-layer structure. The surface of the fabric is smooth, which can reduce the friction on the wearer's face, is comfortable to wear, and has high density. , which can effectively prevent particulate matter above PM2.5 and play a good role in protection.

In some embodiments, referring to FIG. 2 , each ear strap 2 is an elastic cord, and one end of each ear strap 2 close to the mask body 1 is also provided with an ear buckle for adjusting the length of the ear strap 2, so that it can be used by people with different face sizes. . In other embodiments, a silicone layer (not shown) is provided on one side of each earband 2 close to the composite protective layer 11 . Among them, the silicone layer has good elasticity and softness, so that when wearing the mask, the silicone layer is in direct contact with the wearer's earband 2, so as to prevent the earband 2 from directly tightening the ears and improve wearing comfort.

In some embodiments, referring to FIG. 1 , the composite protective layer 11 includes two arc-shaped portions arranged symmetrically with each other, and the sides of the two arc-shaped portions facing away from the earband 2 are formed on the center line of the mask by flat stitching. Bone positions 12 arranged in an arc shape. In this way, the two arc-shaped parts are sewn to form the bone position 12, so that the mask body 1 is divided into two parts, which are adapted to the shape of the human face, which is beneficial for the mask body 1 to fit the human face more closely. Moreover, in the unfolded state, the mask supports the arc part through the bone position 12 to form a groove for accommodating the mouth and nose of the human body, which ensures the basic shape of the mask and reduces the provision of elastic nose pads on the upper end of the mask body 1, thereby avoiding the mask. The problem of deformation of the mask due to the deformation of the elastic nose pads after multiple washings increases the frequency of use of the mask.

In some embodiments, the bone sites of the two arc-shaped portions are also coated with hot-melt waterproof glue (not shown). Specifically, the hot-melt waterproof glue is bonded to the bone site by an ultrasonic hot press to ensure that the place with pinholes is impermeable to water (because the pinholes are larger than the diameter of the fibers), preventing saliva and droplets from entering through the pinholes Human respiratory tract.

In some embodiments, referring to FIG. 1 to FIG. 2 , as a specific embodiment of the multi-functional antibacterial and antiviral washable mask of the present application, the upper and lower sides of the mask body 1 both adopt the flat car pressing double-line technology, so that the The upper and lower sides of the main body 1 are respectively formed with an upper flat car pressing double line 13 and a lower flat car pressing double line 14 . Similarly, the two sides of the mask body 1 also use the flat car double pressing line technology to form the side flat car pressing double line 15 to ensure that the mask does not change shape after 50 times of use and washing. Both ends of each ear strap 2 are respectively fixed at the corners of the side of the mask body 1 . In this way, the upper side, the lower side and the two sides of the two composite protective layers 11 that constitute the mask body 1 are formed into a body by the flat car pressing double-line technology, and the ear straps 2 are arranged on the edges of both sides of the mask body 1 to more effectively prevent the mask. There are leaks on both sides of the nose during use.

The present application also provides a method for preparing an antibacterial and antivirus washable multifunctional mask, referring to FIGS. 1 and 4 , which includes:

S1: Preparation of composite protective layer fabric.

In some embodiments, the composite protective fabric is a double-layer structure formed by weaving polyester fiber long fibers and polyester fiber short fibers. Because polyester fiber has good wrinkle resistance, waterproof and antifouling properties, and good shape retention, the masks made of this fabric can be washed repeatedly. In this embodiment, the mask made of this fabric can be reused and washed up to 50 times.

S2: According to the shape of the human face, the composite protective layer fabric is cut out with a plurality of half arcs, and any two arcs are sewed together to form a composite protective layer.

In order to ensure that the shape of the cut half arc portion is basically the same, reduce the cutting error and improve the cutting efficiency, the ultrasonic cutting technology is used here.

S3: Combine the front and back of the two composite protective layers, and sew to form the mask body.

Here, the mask body adopts the flat car pressing double thread technology to sew the two composite protective layers, that is, the mask body is composed of four layers of protective fabrics, and the protective effect is good.

S4: Sew the two ear straps on the edges of the two ends of the mask body respectively.

In some embodiments, when sewing the earbands, leave an opening on either side of the earbands, and then turn the mask body out of the inner layer through the openings; press the double line along the original edge after smoothing; The mask after the double line is worn for a long time and the appearance is unchanged and beautiful after washing.

In one of the embodiments, the front and back sides of the two composite protective layers are combined and sewn to form a mask body, which may include:

S21: splicing the two arc parts together;

S22: Use a No. 5 flat bur and 100/S PP thread to sew the two arcs; and

S23: Adhere the hot-melt waterproof glue on the bones of the two arc-shaped parts by an ultrasonic hot pressing machine.

For the above-mentioned steps S21 to S23, the diameter difference between the No. 5 flat bur and the 100/S PP wire is small, and the diameters are very small, which avoids the formation of large needle holes at the bone site, and the bone It is coated with a 1.5cm wide hot melt waterproof adhesive to ensure that the square with pinholes will not seep water, prevent saliva or droplets from passing through the human respiratory tract through the pinholes, and improve the protective performance of the mask. In order to ensure a good appearance, the bone site needs to be repaired to the same width.

In some embodiments, referring to Figure 5, preparing the composite protective layer fabric includes:

S11: 5D ultra-high molecular polyester fiber long fiber is used to weave to form a polyester fiber long fiber fabric layer;

S12: On the polyester fiber long fiber fabric layer, use 5D ultra-high molecular polyester fiber staple fiber to make a polyester fiber short fiber fabric layer; wherein, the polyester fiber long fiber fabric layer and the polyester fiber short fiber fabric layer are composed of fabric;

S13: spraying the nanoscale silica solution on the surface of the fabric; and

S14: The far-infrared auxiliaries, the anti-influenza virus auxiliaries and the antibacterial auxiliaries are processed together with nano-atomization equipment and pressure devices, so that they all penetrate into the textile fibers of the fabric.

In steps S11 to S12, the warp and weft densities are set by high imitation technology, and a polyester fiber long fiber fabric layer with a 280×280 square inch high-density honeycomb three-dimensional structure and a warp and weft density of 300×300 square inches are produced. And the organizational structure is a polyester fiber staple fiber fabric layer with a well-shaped plain weave. Here, polyester fiber is used to make high-count plateau fabric. The surface of the fabric is smooth, comfortable to wear, and has a high density. It can effectively prevent particles above PM2.5, play a good role in protection, and make the polyester fiber short The fineness and tightness of the fiber fabric layer is much higher than that of the polyester fiber long fiber fabric layer, which plays a role in setting off the polyester fiber long fiber fabric layer.

In step S13 to step S14, by adding nano-scale silica, far-infrared auxiliary agent, H3N2 (anti-influenza virus auxiliary agent) and antibacterial auxiliary agent on the fabric body, the fabric has antiviral, antibacterial and health care functions.

Before step S14 and after step S13, the fabric can also be dyed according to the actual situation.

In some embodiments, the treatment conditions of the nano-atomization device are: the temperature is 30°C-45°C, the treatment time is 36h-45h, and the wind pressure is 35-38Hz. Here, controlling the temperature at 30℃-45℃ and setting the wind pressure at 35-38Hz can make the molecular structure of far-infrared additives, anti-influenza virus additives and antibacterial additives quickly penetrate into the fibers of the fabric through atomization equipment The processing time is controlled between 36 hours and 45 hours, and the molecular structure of the yarn of the fabric is fully integrated with the above-mentioned auxiliary molecules, so that the antibacterial, antivirus, and health care functions are continuously effective after multiple washings.

In some embodiments, the nanoscale silica solution is sprayed on the surface of the fabric, including:

S131: adding nano-scale silica particles into water and stirring thoroughly to form a uniform nano-scale silica solution;

S132: load the nano-scale silica solution into the spray gun, and the spray gun moves up and down along the unfolding direction of the fabric with a spraying moving speed of 0.05m/s;

S133: sending the fabric after spraying the nano-silica solution to a hot air penetration oven for drying treatment, the hot air penetration temperature of the hot air penetration oven is 150-170° C., and the hot air pressure is 35-38 Hz.

In the above steps S131 to S133, the spray gun head is 10cm away from the sprayed fabric during spraying, and the spray gun and the horizontal plane of the fabric should be kept vertical to ensure that the nano-silica solution is fully sprayed on the fabric. In addition, the penetration temperature of hot air is 150-170°C, and the air pressure of hot air is 35-38Hz, which can achieve rapid dehydration of the fabric without damaging the internal molecular structure of the fabric due to excessive temperature, which is beneficial to far-infrared Adjuvants, anti-influenza adjuvants and antibacterial adjuvants penetrate and fuse to the fabric.

The antibacterial and antiviral washable multifunctional mask 100 of the present application has been tested, and the test report is as follows in Table 1, Table 2 and Table 3:

Table 1

Table 2

table 3

It can be seen from this that the mask has good antiviral and antibacterial functions, health care functions, wrinkle resistance, waterproof and antifouling properties, good shape retention, and can be washed repeatedly. Ambient pressure, suitable for wide use. and. The mask is waterproof and breathable, so it is not easy to sweat on the face when wearing it, and it is suitable for long-term wear.

The technical features of the above-described embodiments can be combined arbitrarily. For the sake of brevity, all possible combinations of the technical features in the above-described embodiments are not described. However, as long as there is no contradiction between the combinations of these technical features, All should be regarded as the scope described in this specification.

The above-mentioned embodiments only represent several embodiments of the present application, and the descriptions thereof are specific and detailed, but should not be construed as a limitation on the scope of the invention patent. It should be noted that, for those skilled in the art, without departing from the concept of the present application, several modifications and improvements can be made, which all belong to the protection scope of the present application. Therefore, the scope of protection of the patent of the present application shall be subject to the appended claims.

Claims

An antibacterial antiviral washable multifunctional mask comprising:

the mask body; and

two ear straps respectively fixed on both ends of the mask body;

The mask body is made of two composite protective layers that are sewn on top of each other, and each composite protective layer includes a polyester fiber long fiber fabric layer and a polyester fiber long fiber fabric layer provided on the polyester fiber long fiber fabric layer. Fiber staple fiber fabric layer, two polyester fiber staple fiber fabric layers are located between the two polyester fiber long fiber fabric layers in the mask body, and the antiviral auxiliary agent and the antibacterial auxiliary agent are atomized Penetrates into the fibrous structure of the composite protective layer.
The antibacterial and antivirus washable multifunctional mask according to claim 1, wherein the composite protective layer is also sprayed with nano-scale silica auxiliary.
The antibacterial and antiviral washable multifunctional mask according to claim 1, wherein the composite protective layer is further sprayed with a composite antibacterial and antiviral material formed of silica calcium carbide and titanium dioxide particles.
The multifunctional antibacterial and antivirus washable mask according to claim 2, wherein the far-infrared auxiliary agent penetrates into the fiber structure of the composite protective layer by means of atomization.
The antibacterial and antivirus washable multifunctional mask according to claim 1, wherein the polyester fiber long fiber fabric layer is a fabric with a length and width of 280×280 square inches and a honeycomb-like surface structure.
The multifunctional antibacterial, antivirus, and washable mask according to claim 1, wherein the polyester fiber staple fabric layer is a fabric whose length and width are 300×300 square inches and the cloth surface structure is a well-shaped fabric.
The multifunctional antibacterial, antivirus, and washable mask according to claim 1, wherein each of the ear straps is an elastic cord, and each of the ear straps is further provided with an end close to the mask body for adjusting the ear straps. length of ear buckles.
The multifunctional antibacterial, antivirus and washable mask according to claim 1, wherein the composite protective layer comprises two arc-shaped parts arranged symmetrically with each other, and the sides of the two arc-shaped parts facing away from the ear strap pass through The flat car seam forms a bone position located on the center line of the mask and arranged in an arc.
The antibacterial and antivirus washable multifunctional mask according to claim 8, wherein the bone positions of the two arc-shaped parts are further coated with hot-melt waterproof glue.
A method for preparing the antibacterial and antivirus washable multifunctional mask as claimed in any one of claims 1-9, comprising:

Preparation of composite protective layer fabric;

According to the shape of the human face, the composite protective layer fabric is cut into a plurality of half-edge arc parts, and any two of the arc parts are sewed to form a composite protective layer;

Combining the front and back of the two described composite protective layers, sewing to form a mask body; and

The two ear straps are sewn on the edges of the two ends of the mask body respectively.
The method according to claim 10, wherein the assembling the front and back sides of the two composite protective layers and sewing to form the mask body comprises:

splicing the two arc-shaped parts together;

Suture the two said arcs using a No. 5 flat bur and 100/S PP thread; and

The hot-melt waterproof glue is bonded on the bone positions of the two arc-shaped parts by an ultrasonic hot pressing machine.
The method according to claim 10, wherein the preparation of the composite protective layer fabric specifically comprises:

The polyester fiber long fiber fabric layer is formed by weaving 5D ultra-high molecular polyester fiber long fiber;

On the polyester fiber long fiber fabric layer, 5D ultra-high molecular polyester fiber short fiber is used to make a polyester fiber short fiber fabric layer; wherein, the polyester fiber long fiber fabric layer and the polyester fiber short fiber fabric layer are The fabric layer constitutes the fabric;

spraying the nanoscale silica solution on the surface of the fabric; and

The far-infrared auxiliaries, the anti-influenza virus auxiliaries and the antibacterial auxiliaries are processed together through a nano-atomization device and a pressure device, so that they all penetrate into the textile fibers of the fabric.
The method according to claim 12, wherein the processing conditions of the nano-atomization equipment are: the temperature is 30°C-45°C, the processing time is 36h-45h, and the wind pressure is 35-38Hz.
The method according to claim 11, wherein, the nanoscale silica solution is sprayed on the surface of the fabric, comprising:

Add nano-scale silica particles into water and stir well to form a uniform nano-scale silica solution;

The nanoscale silica solution is loaded into a spray gun, and the spray gun reciprocates up and down with a spraying moving speed of 0.05 m/s along the unfolding direction of the fabric; and

The fabric after spraying the nano-scale silica solution is sent to a hot air penetration oven for drying treatment. The hot air penetration temperature of the hot air penetration oven is 150-170° C., and the hot air pressure is 35-38 Hz.
The method according to claim 14, wherein when spraying, the head of the spray gun is 10 cm away from the fabric, and the spray gun is perpendicular to the horizontal plane of the fabric.