CN214630059U

CN214630059U - Mask containing biomass environment-friendly coating not sticky with lipstick

Info

Publication number: CN214630059U
Application number: CN202023270158.0U
Authority: CN
Inventors: 陈楚楚; 卜香婷; 周彤; 吴启静; 王怡仁; 李大纲
Original assignee: Nanjing Forestry University
Current assignee: Nanjing Forestry University
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-11-09
Anticipated expiration: 2030-12-30

Abstract

The utility model provides a gauze mask that contains living beings environmental protection coating that is not stained with lipstick, the gauze mask includes outer cloth, antibiotic filter layer, inner cloth, bridge of the nose clamp and lacing tape, the junction of outer cloth and inner cloth has last reason, lower edge and both sides limit, the inner cloth that the gauze mask main part was located respectively to the lacing tape is close to this both sides limit department, contain the living beings environmental protection coating that evenly paints the solidification on the inner cloth, living beings environmental protection coating is made by cellulose nanofiber or chitin nanofiber, living beings environmental protection coating is evenly rolled or embossed on the inner cloth of gauze mask through the heating. The utility model discloses in the gauze mask that contains living beings environmental protection coating that proposes, the living beings environmental protection coating of addding on its inner cloth can alleviate a large amount of blush, foundation and rub and dye when the person of wearing, brings the convenience for the person of wearing.

Description

Mask containing biomass environment-friendly coating not sticky with lipstick

Technical Field

The utility model relates to the field of medical supplies, specifically be a gauze mask that contains biomass environmental protection coating that is not stained with lipstick.

Background

The cellulose nanofiber is a renewable 'green and environment-friendly' natural polymer material with a nano-scale size, and has the advantages of hydrophilicity, high length-diameter ratio, biodegradability and the like. Because the cellulose nano-fiber is non-toxic, large in specific surface area, good in amphipathy and biocompatibility, rejection reaction and inflammation are not found in a living body, and the cellulose nano-fiber has good performance in aspects such as wound antibacterial dressing, artificial graft and the like, so that the cellulose nano-fiber has great potential in the field of biomedical application.

Chitin mainly exists in shells of crabs, shrimps and the like, is a skeleton structure substance of the chitin, and is one of polysaccharide resources with storage amount second to cellulose in nature; the nano-scale fiber has high strength, high specific surface area, good biocompatibility and biological tissue repair capability. In recent years, chitin nanofibers have been considered as one of the effective materials for treating skin damage, with a number of properties including: inhibiting inflammation at the skin injury, and promoting the healing activity of biological tissues; promoting the growth of healthy skin cells of the wound and reconstructing the dermis layer of the biological tissue; protecting the skin from bioremediation properties such as external stimuli; therefore, the product is widely applied to biological medicine products, health care products, cosmetics and personal care products.

The mask is a sanitary article which is worn at the position of the mouth and the nose and is used for filtering or blocking substances such as smell, spray, virus and the like entering the mouth and the nose. When respiratory infectious diseases are prevalent, wearing a mask is one of the methods for preventing respiratory infectious diseases in an environment contaminated with dust and the like. However, when the masks on the market are worn for a long time, particularly for women who make up, the inner cloth of the masks can be easily stained with foundation and lipstick, so that the reuse rate of the masks is reduced, the smearing effect of color cosmetics such as lipstick is poor, and inconvenience is brought to daily life of people.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gauze mask that contains the living beings environmental protection coating of not being stained with lipstick, its purpose chooses for use living beings environmental protection material to make the gauze mask undercoating, solves the coloured material such as current gauze mask rubbing and dyeing lipstick, foundation make-up on the market when wearing, is difficult to reuse's problem.

To achieve the above objective, the present invention provides the following technical solutions: the mask comprises outer layer cloth, an antibacterial filter layer, inner layer cloth, a nose bridge clamp and a tightening band, wherein the joint of the outer layer cloth and the inner layer cloth is provided with an upper edge, a lower edge and two side edges, the tightening band is respectively arranged at the position, close to the two side edges, of the inner layer cloth of the mask main body, the inner layer cloth is evenly coated with a biomass environment-friendly coating, and the biomass environment-friendly coating is made of cellulose nanofibers or chitin nanofibers.

Further, in the present invention, the biomass environmental protection coating layer is uniformly rolled or embossed on the inner cloth of the mask by heating.

Further, in the utility model discloses, cellulose nanofiber takes waste bagasse as raw materials.

Further, in the utility model, the chitin nano-fiber takes the waste crab shell as the raw material.

Further, in the present invention, the thickness of the biomass environmental protection coating is 0.1 to 50 micrometers.

The beneficial effects are that the technical scheme of this application possesses following technological effect:

1. the utility model discloses in the gauze mask that contains living beings environmental protection coating that proposes, the living beings environmental protection coating of addding on its inner cloth can alleviate a large amount of blush, foundation and rub and dye when the person of wearing, brings the convenience for the person of wearing.

2. The utility model discloses in the living beings environmental protection coating raw materials that propose be cellulose or chitin, derive from the biomass waste, including abandonment bagasse, abandonment shrimp crab shell. Cellulose and chitin are renewable resources of natural high polymer materials with abundant reserves in nature, and have wide sources and low cost. The fibrillated cellulose nano fiber or chitin nano fiber has no toxic or side effect on human body and good antibacterial performance, and is widely applied to the fields of polymer reinforcement, cosmetics, electronic devices, biomedicine and the like.

3. The utility model takes waste bagasse as raw material, and prepares cellulose nanofiber suspension by combining a mechanical grinding method with a high-pressure homogenization method; the chitin nanofiber suspension is prepared from waste crab shells by a mechanical grinding method and a high-pressure homogenization method. The mechanical grinding and high-pressure homogenizing treatment are favorable for further improving the nano degree of the fibers, reducing the diameter of the fibers and improving the length-diameter ratio. And then, uniformly coating the nanofiber suspension on the inner-layer cloth by using a coater, drying at low temperature, and forming a cellulose nano coating or a chitin nano coating on the inner-layer cloth of the mask. And then, obtaining the inner layer cloth containing the biomass environment-friendly coating after cooling through a rolling or embossing process. Finally, the inner layer cloth, the outer layer cloth and the binding band are manufactured into the mask with the biomass environment-friendly coating which is not sticky with lipstick according to the conventional method of the mask.

It should be understood that all combinations of the foregoing concepts and additional concepts described in greater detail below can be considered as part of the inventive subject matter of the present disclosure unless such concepts are mutually inconsistent.

The foregoing and other aspects, embodiments and features of the present teachings can be more fully understood from the following description taken in conjunction with the accompanying drawings. Additional aspects of the present invention, such as features and/or advantages of exemplary embodiments, will be apparent from the description which follows, or may be learned by practice of the specific embodiments in accordance with the teachings of the present invention.

Drawings

The drawings are not intended to be drawn to scale. In the drawings, each identical or nearly identical component that is illustrated in various figures may be represented by a like numeral. For purposes of clarity, not every component may be labeled in every drawing. Embodiments of various aspects of the present invention will now be described, by way of example, with reference to the accompanying drawings, in which:

fig. 1 is a schematic structural view (curled state) of the present invention.

Fig. 2 is a schematic structural view (planar state) of the present invention.

Fig. 3 is a schematic structural diagram (curled state) of the present invention.

Fig. 4 is a schematic cross-sectional view of the present invention.

In the figures, the meaning of the reference numerals is as follows: 1. outer layer cloth; 2. an antibacterial filter layer; 3. inner cloth; 4. A biomass environment-friendly coating; 5. a tightening strap; 6. a nose bridge clip.

Detailed Description

For a better understanding of the technical content of the present invention, specific embodiments are described below in conjunction with the accompanying drawings. In this disclosure, aspects of the present invention are described with reference to the accompanying drawings, in which a number of illustrative embodiments are shown. Embodiments of the present disclosure are not necessarily intended to include all aspects of the invention. It should be appreciated that the various concepts and embodiments described above, as well as those described in greater detail below, may be implemented in any of numerous ways, as the disclosed concepts and embodiments are not limited to any implementation. Additionally, some aspects of the present disclosure may be used alone or in any suitable combination with other aspects of the present disclosure.

As shown in fig. 1-4, a mask containing a biomass environmental protection coating layer which is not sticky to lipstick comprises an outer layer cloth 1, an antibacterial filter layer 2, an inner layer cloth 3, a nose bridge clamp 5 and a tightening band 6, wherein the joint of the outer layer cloth 1 and the inner layer cloth 3 is provided with an upper edge, a lower edge and two side edges, the tightening band 5 is respectively arranged at the position, close to the two side edges, of the inner layer cloth of a mask main body, the inner layer cloth 3 contains the biomass environmental protection coating layer 4 which is uniformly coated and solidified, and the biomass environmental protection coating layer 4 is made of cellulose nano fibers or chitin nano fibers.

In this embodiment, the biomass environment-friendly coating 4 is uniformly rolled or embossed on the inner cloth 3 of the mask by heating.

In this example, the cellulose nanofibers are made from waste bagasse.

In this embodiment, the chitin nanofiber is prepared from waste crab shells.

The thickness of the biomass environment-friendly coating 4 is 0.1 to 50 micrometers.

The embodiment also provides a method for manufacturing the biomass environment-friendly coating 4, which comprises the following steps:

the preparation process of the cellulose nanofiber comprises the following steps:

waste bagasse is used as a raw material, a proper amount of deionized water is added for soaking, a stirrer is used for scattering the waste bagasse to prepare a mixed solution with the weight percent of 1 wt%, and the mixed solution is magnetically stirred for 1 hour to be fully contacted with the deionized water. To the above sample was added 0.8 wt% sodium chlorite solution, and the mixture was heated and stirred at 80 ℃ for 1 hour, and this process was repeated 4 times. After the reaction was cooled, it was washed to neutrality with deionized water. Preparing 6 wt% potassium hydroxide solution to treat the sample, stirring for 2h at 90 ℃, cooling the reaction, and washing with deionized water to be neutral. And calculating the water content of the cellulose sample after the acid-base treatment, and adding a proper amount of deionized water to prepare a suspension of 1 wt%. The suspension was placed in a mill, the disc gap was adjusted to 25 μm, the rotation speed: 1500rpm, three grindings. And then placing the mixture into a high-pressure homogenizer, and homogenizing the mixture for three times to obtain the cellulose nanofiber suspension.

The preparation process of the chitin nano-fiber comprises the following steps: washing the abandoned crab shells with deionized water, scattering the abandoned crab shells by a stirrer, soaking the crab shells for 24 hours at room temperature through 2mol/L hydrochloric acid solution, then repeatedly washing the sample to be neutral by the deionized water, putting the sample into 1mol/L potassium hydroxide solution, and heating for 4 hours at 90 ℃. After reaction cooling, washing with deionized water to be neutral, soaking for 12 hours by 50 wt% ethanol solution to prepare the alpha-chitin nanofiber, calculating the water content of the alpha-chitin sample after acid and alkali treatment, adding a proper amount of deionized water to prepare 1 wt% suspension, placing the suspension in a grinding machine, and adjusting the grinding disc gap: 25 μm, rotation speed: grinding at 1500rpm for three times, and then placing in a high-pressure homogenizer for three times to prepare the alpha-chitin nanofiber suspension.

And (3) uniformly coating the cellulose nanofiber suspension or the alpha-chitin nanofiber suspension obtained by the preparation on the inner-layer cloth 3 by using a coater, and drying at a low temperature of 50-60 ℃ to form a cellulose nano coating or a chitin nano coating on the inner-layer cloth 3. And (3) obtaining the inner layer cloth 3 containing the biomass environment-friendly coating 4 after cooling through a rolling or embossing process.

Three layers of cloth, namely the outer layer cloth 1, the antibacterial filter layer 2 and the inner layer cloth 3 containing the biomass environment-friendly coating 4, are uniformly folded into three folds and are placed on a production machine, and the three folds are tightly overlapped together through a bearing to form a structure capable of being stretched and folded. The nose bridge clip 5 and the tightening strap 6 are fixed on the mask cloth at equal intervals, and finally the side lines are pressed to achieve the fixing and cutting effects, so that the mask with the biomass environment-friendly coating and being not stained with lipstick is prepared.

Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention. The present invention is intended to cover by those skilled in the art various modifications and adaptations of the invention without departing from the spirit and scope of the invention. Therefore, the protection scope of the present invention is subject to the claims.

Claims

1. The utility model provides a contains gauze mask that is not stained with living beings environmental protection coating of lipstick, the gauze mask includes outer cloth, antibiotic filter layer, inlayer cloth, bridge of the nose presss from both sides and lacing tape, the junction of outer cloth and inlayer cloth has upper edge, lower edge and both sides reason, the inlayer cloth that the gauze mask main part was located respectively to the lacing tape is close to this both sides reason, its characterized in that: the inner layer cloth is evenly coated with a biomass environment-friendly coating which is made of cellulose nano-fiber or chitin nano-fiber.

2. The mask containing the biomass environment-friendly coating which is not sticky with lipstick according to claim 1, is characterized in that: the biomass environment-friendly coating is uniformly rolled or embossed on the inner cloth of the mask through heating.

3. The mask containing the biomass environment-friendly coating which is not sticky with lipstick according to claim 1, is characterized in that: the cellulose nanofiber takes waste bagasse as a raw material.

4. The mask containing the biomass environment-friendly coating which is not sticky with lipstick according to claim 1, is characterized in that: the chitin nanofiber takes waste crab shells as raw materials.

5. The mask containing the biomass environment-friendly coating which is not sticky with lipstick according to claim 1, is characterized in that: the thickness of the biomass environment-friendly coating is 0.1-50 microns.