CN218263239U - Antibacterial and antiviral structure - Google Patents
Antibacterial and antiviral structure Download PDFInfo
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- CN218263239U CN218263239U CN202122904996.7U CN202122904996U CN218263239U CN 218263239 U CN218263239 U CN 218263239U CN 202122904996 U CN202122904996 U CN 202122904996U CN 218263239 U CN218263239 U CN 218263239U
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Abstract
The utility model discloses an antibacterial and antiviral structure, which comprises a porous substrate and at least one antibacterial and antiviral layer, wherein the at least one antibacterial and antiviral layer covers the outer surface of the porous substrate. At least one antibacterial and antiviral layer is a silver-zinc composite antibacterial and antiviral layer, a silver-titanium dioxide composite antibacterial and antiviral layer or a combination thereof. Therefore, the utility model discloses an article that antibiotic antiviral structure used can have excellent antibiotic and antiviral effect.
Description
Technical Field
The present invention relates to an antimicrobial structure, and more particularly to an antimicrobial and antiviral structure suitable for use with various articles requiring antimicrobial and antiviral properties, such as wearing articles.
Background
Bacteria and viruses are ubiquitous in the daily life environment and are difficult to observe by the naked eye, and various diseases can be caused once the human body invades. The new coronavirus epidemic situation is developed globally, and the new coronavirus has high mutation speed and very strong transmission capability. With frequent population movement and social communication, the epidemic situation of the new coronavirus is continuously expanded, and even the new coronavirus poses a great threat to human survival. However, masks on the market, such as medical masks, activated carbon masks, cotton masks, N95 masks, etc., can only filter and block most bacteria and viruses, and have no practical function of inhibiting antibacterial viruses.
Therefore, there is a need in the market for an antibacterial and antiviral structure that kills and prevents the propagation of pathogenic bacteria and viruses, such that the bacteria and viruses cannot spread.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that an antibiotic antiviral structure is provided to the not enough of prior art.
In order to solve the above technical problem, the utility model provides an antibacterial and antiviral structure, which comprises a porous substrate and a silver-zinc composite antibacterial and antiviral layer, wherein the silver-zinc composite antibacterial and antiviral layer covers an outer surface of the porous substrate.
In an embodiment of the present invention, the thickness of the silver-zinc composite antibacterial and antiviral layer is 100nm to 1500 μm.
In an embodiment of the present invention, the antibacterial and antiviral structure further includes a silver titanium dioxide composite antibacterial and antiviral layer, and the silver titanium dioxide composite antibacterial and antiviral layer is formed on an outer surface of the silver zinc composite antibacterial and antiviral layer.
In an embodiment of the present invention, the thickness of the silver-titanium dioxide composite antibacterial and antiviral layer is 10nm to 500nm.
In order to solve the technical problem, the utility model discloses another technical scheme who adopts provides an antibacterial and antiviral structure, and it includes a porous basement and a compound antibacterial and antiviral layer of silver titanium dioxide, the compound antibacterial and antiviral layer of silver titanium dioxide covers a surface of porous basement.
In an embodiment of the present invention, the thickness of the silver-titanium dioxide composite antibacterial and antiviral layer is 10nm to 500nm.
In an embodiment of the present invention, the titanium dioxide in the silver titanium dioxide composite antibacterial and antiviral layer exists in the form of particles, which have a major axis of 10nm to 50nm and a minor axis of 3nm to 20nm.
In order to solve the above technical problem, the utility model discloses another technical scheme who adopts provides an antibacterial and antiviral structure, and it includes a porous basement, porous basement is that a plurality of antibacterial and antiviral fibers constitute, wherein each antibacterial and antiviral fiber include a basic fiber and one cover in a silver-zinc composite antibacterial and antiviral layer outside the basic fiber.
In an embodiment of the present invention, each of the antibacterial and antiviral fibers further includes a silver-zinc composite antibacterial and antiviral layer formed on an outer surface of the silver-zinc composite antibacterial and antiviral layer.
The utility model discloses an antibacterial and antiviral structure, it can pass through "the compound antibacterial and antiviral layer of silver-zinc covers a surface of porous basement", "the compound antibacterial and antiviral layer of silver-titanium dioxide form in" or "on the surface of the compound antibacterial and antiviral layer of silver-zinc porous basement constitutes for a plurality of antibacterial and antiviral fibre, wherein each the antibacterial and antiviral fibre include a foundation fibre and one cladding in the technical characteristics of the compound antibacterial and antiviral layer of silver-zinc outside the foundation fibre to make antibacterial rate and antiviral rate all reach more than 99%. In addition, the utility model discloses an antibacterial and antiviral structure still has application scope extensively, uses nimble convenience and to advantages such as harmless to human body and environment.
For a better understanding of the features and technical content of the present invention, reference should be made to the following detailed description and accompanying drawings, which are provided for purposes of illustration and description, and are not intended to limit the invention.
Drawings
Fig. 1 is a schematic view of an antibacterial and antiviral structure according to a first embodiment of the present invention.
Fig. 2 is another schematic view of the first embodiment of the present invention showing an antibacterial and antiviral structure.
Fig. 3 is a schematic view of an antibacterial and antiviral structure according to a second embodiment of the present invention.
Fig. 4 is a schematic view of an antibacterial and antiviral structure according to a third embodiment of the present invention.
Fig. 5A shows one possible implementation of the base fiber with the antibacterial and antiviral material attached in the porous substrate of the antibacterial and antiviral structure according to the third embodiment of the present invention.
Fig. 5B shows another possible embodiment of the base fiber with the antibacterial and antiviral material attached in the porous substrate of the antibacterial and antiviral structure according to the third embodiment of the present invention.
Fig. 5C shows another possible embodiment of the base fiber with the antibacterial and antiviral material attached in the porous substrate of the antibacterial and antiviral structure according to the third embodiment of the present invention.
Detailed Description
Bacteria and viruses are ubiquitous in the daily life environment and cannot be observed by naked eyes, and once invading the human body, diseases can be caused, so the utility model provides an antibacterial and antiviral structure which can be applied to various articles with antibacterial and antiviral requirements, such as wearing articles, decoration articles, personal articles and accessory articles, and endow the articles with excellent antibacterial and antiviral effects.
The following are specific examples to illustrate the embodiments of the present invention disclosed as "antibacterial and antiviral structure", and those skilled in the art can understand the advantages and effects of the present invention from the disclosure of the present invention. The present invention can be implemented or applied through other different specific embodiments, and various details in the present specification can be modified and changed based on different viewpoints and applications without departing from the concept of the present invention. The drawings of the present invention are merely schematic illustrations, and are not drawn to scale, but are described in advance. The following embodiments will further explain the related technical content of the present invention in detail, but the disclosure is not intended to limit the scope of the present invention. In addition, the term "or" as used herein should be taken to include any one or combination of more of the associated listed items as the case may be.
First embodiment
Referring to fig. 1 and 2, a possible embodiment of the antimicrobial and antiviral structure Z of the present invention is shown. As shown in fig. 1, the antibacterial and antiviral structure Z of the present invention mainly comprises a porous substrate 1 and a silver-zinc composite antibacterial and antiviral layer 2, and the silver-zinc composite antibacterial and antiviral layer 2 covers an outer surface 100 of the porous substrate 1. As shown in fig. 2, the antibacterial and antiviral structure Z of the present invention can further include a silver titanium dioxide composite antibacterial and antiviral layer 3, and the silver titanium dioxide composite antibacterial and antiviral layer 3 is formed on an outer surface of the silver zinc composite antibacterial and antiviral layer 2, so as to synergistically improve the antibacterial and antiviral effects. As the porous substrate 1 of the antibacterial and antiviral structure Z, a filter, porous ceramics, wood, sponge, synthetic wood, porous ceramic tile, stone, ceramic tile, leather, foam, paper, clothes, activated carbon, silica gel or Teflon substrate can be used.
Furthermore, the antibacterial and antiviral structure Z of the present invention comprises a porous substrate 1 and an antibacterial and antiviral material M,the antibacterial and antiviral material M is bonded to the porous substrate 1, and may include at least one of a first active ingredient and a second active ingredient. Wherein the first active ingredient comprises a silver component and a zinc-containing compound and the second active ingredient comprises a silver component and titanium dioxide. Herein, the "active ingredient" of the antibacterial and antiviral material M refers to an ingredient that really exerts antibacterial and antiviral effects. Measured, the porous substrate 1 has a surface area per unit area of 1-450g/m 2 The antibacterial and antiviral material M. Preferably, when the antibacterial and antiviral material M contains the first active ingredient, the weight of the first active ingredient present per unit surface area of the porous substrate 1 is 1 to 150g/M 2 (ii) a When the antibacterial and antiviral material M contains the second active ingredient, the weight of the second active ingredient present per unit surface area of the porous substrate 1 is 15 to 300g/M 2 . Therefore, the antibacterial and antiviral structure Z of the utility model has good antibacterial and antiviral abilities in bright places and dark places.
In practical use, as shown in fig. 1, when the antibacterial and antiviral material M contains only the first active ingredient, the first active ingredient may be present in the silver-zinc composite antibacterial and antiviral layer 2. In addition, when the antibacterial and antiviral material M contains both the first active ingredient and the second active ingredient, the first active ingredient may be present in the silver-zinc composite antibacterial and antiviral layer 2, and the second active ingredient may be present in the silver-titanium dioxide composite antibacterial and antiviral layer 3.
As can be seen from the above, the manner of bonding the antibacterial and antiviral material M to the porous substrate 1 is not particularly limited as long as the desired antibacterial effect and/or antiviral effect can be produced upon use. In some embodiments, the first active ingredient and/or the second active ingredient of the antibacterial and antiviral material M may be directly attached to the porous substrate 1.
Furthermore, the silver-zinc composite antibacterial and antiviral layer 2 can be formed by a first composition, and the first composition can be a polymer composition, that is, the first composition can comprise a first active ingredient and a film-forming polymer; the film-forming polymer may be acryl, polyurethane (PU) or polycarbonate, but is not limited thereto. The silver component of the first active ingredient may be contained in an amount of 10ppm to 1000ppm, the zinc-containing compound of the first active ingredient may be contained in an amount of 1wt% to 10wt%, and the film-forming polymer may be contained in an amount of 5wt% to 20wt%, based on the total weight of the first composition. In actual application, the first composition can be applied to the outer surface 100 of the porous substrate 1 by coating or impregnation and then cured to form the silver-zinc composite antibacterial and antiviral layer 2; in the silver-zinc composite antibacterial and antiviral layer 2, the silver component of the first active ingredient may be present in the form of a silver-containing compound, and may also be present in the form of metallic silver (e.g., silver nanoparticles). The above description is only a possible embodiment and is not intended to limit the present invention.
Examples of the silver-containing compound include: silver nitrate (silver nitrate), silver nitrite (silver nitrate), silver sulfate (silver sulfate), silver sulfite (silver sulfite), silver hypochlorite (silver hypo chloride), silver phosphate (silver phosphate), silver citrate (silver dihydrigen citrate), silver oxalate (silver oxide), silver acetate (silver acetate), silver carbonate (silver carbonate), silver formate (silver formate), silver benzoate (silver nzoate), silver propionate (silver propionate), silver (silver enoselate), silver tetrafluoroborate (silver tetrafluoroborate), silver chloride (silver chloride), silver bromide (silver bromide), silver iodide (silver iodide), silver arsenate (silver nitrate), silver oxide (silver nitrate), silver trifluoride (silver trifluoride), silver triflate (silver sulfate), and silver sulfate (silver nitrate (silver III). However, the present invention is not limited to the above examples.
Examples of the zinc-containing compound include: zinc perchlorate (zinc perchlorate), zinc nitrate (zinc nitrate), zinc citrate (zinc citrate), zinc oxalate (zinc oxalate), zinc acetate (zinc acetate), zinc borate (zinc borate), zinc carbonate (zinc carbonate), zinc ricinoleate, zinc undecyrate, sodium tetrahydroxyzincate (2-), zinc chloride (zinc chloride), zinc iodide (zinc iodide), zinc bromide (zinc bromide), zinc pyrithione (zinc pyrithione), and zinc oxide (zinc oxide). The zinc-containing compound may preferably be zinc citrate, zinc acetate or zinc oxide. However, the present invention is limited to the above examples.
In some embodiments, the silver component of the first active ingredient can be present in the first composition in an amount of 10ppm, 50ppm, 100ppm, 200ppm, 300ppm, 400ppm, 500ppm, 600ppm, 700ppm, 800ppm, 900ppm, or 1000ppm. The zinc-containing compound of the first active ingredient may be present in the first composition in an amount of 1wt%, 2wt%, 3wt%, 4wt%, 5wt%, 6wt%, 7wt%, 8wt%, 9wt%, or 10wt%. The film-forming polymer may be present in the first composition in an amount of 5wt%, 6wt%, 7wt%, 8wt%, 9wt%, 10wt%, 11wt%, 12wt%, 13wt%, 14wt%, 15wt%, 16wt%, 17wt%, 18wt%, 19wt%, or 20wt%.
In addition, the silver titanium dioxide composite antibacterial and antiviral layer 3 may be formed by treating the outer surface of the silver zinc composite antibacterial and antiviral layer 2 with a second composition, and the second composition may be a dispersion of the active ingredient, i.e., the second composition may contain the second active ingredient and water. The silver component of the second active ingredient may be contained in an amount of 0.001wt% to 1wt%, the titanium dioxide of the second active ingredient may be contained in an amount of 0.01wt% to 2wt%, and the remaining component may be water, based on the total weight of the second composition.
In practical application, the second composition can be uniformly applied to the outer surface of the silver-zinc composite antibacterial and antiviral layer 2 by spraying, dip-coating or roll-coating, and after drying, the second active ingredient is attached to the outer surface of the silver-zinc composite antibacterial and antiviral layer 2 to form a silver-titanium dioxide composite antibacterial and antiviral layer 3; in the silver titanium dioxide composite antibacterial and antiviral layer 3, the silver component of the second active ingredient is present in the form of metallic silver (e.g., silver nanoparticles), and the titanium dioxide is present in the form of anatase titanium dioxide nanoparticles, preferably having a major axis of 10nm to 50nm and a minor axis of 3nm to 20nm. The above description is only a possible embodiment and is not intended to limit the present invention.
In some embodiments, the silver component of the second active ingredient can be present in the second composition in an amount of 0.001wt%, 0.005wt%, 0.01wt%, 0.05wt%, 0.1wt%, 0.2wt%, 0.3wt%, 0.4wt%, 0.5wt%, 0.6wt%, 0.7wt%, 0.8wt%, 0.9wt%, or 1wt%. The titanium dioxide of the second active ingredient may be present in the second composition in an amount of 0.01wt%, 0.05wt%, 0.1wt%, 0.2wt%, 0.3wt%, 0.4wt%, 0.5wt%, 0.6wt%, 0.7wt%, 0.8wt%, 0.9wt%, 1wt%, 1.1wt%, 1.2wt%, 1.3wt%, 1.4wt%, 1.5wt%, 1.6wt%, 1.7wt%, 1.8wt%, 1.9wt%, or 2wt%.
Second embodiment
Referring to fig. 3, a variation of the anti-bacterial and anti-viral structure Z of the present invention is shown. As shown in fig. 3, the antibacterial and antiviral structure Z of the present invention mainly comprises a porous substrate 1 and a silver titanium dioxide composite antibacterial and antiviral layer 3, and the silver titanium dioxide composite antibacterial and antiviral layer 3 covers an outer surface 100 of the porous substrate 1.
More specifically, the antibacterial and antiviral structure Z of the present invention comprises a porous substrate 1 and an antibacterial and antiviral material M bonded to the porous substrate 1, wherein the antibacterial and antiviral material M only contains the second active ingredient, and the weight of the second active ingredient per unit surface area of the porous substrate 1 is 15-300g/M 2 。
In practice, the silver titanium dioxide composite antibacterial and antiviral layer 3 may be formed by treating the outer surface 100 of the porous substrate 1 with a second composition, which may be a dispersion of active ingredients, i.e., the second composition may contain a second active ingredient and water. The silver component of the second active ingredient may be contained in an amount of 0.001wt% to 1wt%, the titanium dioxide of the second active ingredient may be contained in an amount of 0.01wt% to 2wt%, and the remaining component may be water, based on the total weight of the second composition.
In practical application, the second composition can be uniformly applied to the outer surface of the porous substrate 1 by spraying, dip coating or roll coating, and after drying, the second active ingredient is attached to the outer surface of the porous substrate 1 to form the silver-titanium dioxide composite antibacterial and antiviral layer 3; in the silver-titanium dioxide composite antibacterial and antiviral layer 3, the silver component of the second active ingredient is present in the form of metallic silver (e.g., silver nanoparticles), and the titanium dioxide is present in the form of anatase-type titanium dioxide nanoparticles, preferably having a major axis of 10nm to 50nm and a minor axis of 3nm to 20nm. The above description is only a possible embodiment and is not intended to limit the present invention.
The related technical details mentioned in the first embodiment are still valid in this embodiment, and are not described herein again in order to reduce repetition. Accordingly, the related-art details mentioned in the present embodiment can also be applied to the first embodiment.
Third embodiment
Referring to fig. 4 in conjunction with fig. 5A to 5C, fig. 4 shows another variation of the antibacterial and antiviral structure Z of the present invention. As shown in fig. 4, the antibacterial and antiviral structure Z of the present invention mainly comprises a porous substrate 1 and an antibacterial and antiviral material M, wherein the antibacterial and antiviral material M is bonded on the porous substrate 1. This embodiment is different from the previous embodiments in that the porous substrate 1 is composed of a plurality of base fibers 11 attached with the antibacterial and antiviral material M. As the base fiber 11 of the porous substrate 1, polyester (PET), polyethylene (PE), polypropylene (PP), polyvinyl chloride (PVC), polyethylene vinyl acetate (PEVA), polycarbonate (PC), acetate, nylon, spandex, rubber, hemp, cotton, silk, glass, metal, carbon, wool, rayon, or paper fiber may be used.
In the present embodiment, when the antibacterial and antiviral material M only contains the first active ingredient, each of the plurality of base fibers 11 may be coated with a silver-zinc composite antibacterial and antiviral layer 2, as shown in fig. 5A, and the first active ingredient is present in the silver-zinc composite antibacterial and antiviral layer 2; when the antibacterial and antiviral material M contains both the first active ingredient and the second active ingredient, the silver-zinc composite antibacterial and antiviral layer 2 of each of the plurality of base fibers 11 may further have a silver-titanium dioxide composite antibacterial and antiviral layer 3, as shown in fig. 5B, and the second active ingredient is present in the silver-titanium dioxide composite antibacterial and antiviral layer 3. In addition, when the antibacterial and antiviral material M contains only the second active ingredient, the plurality of base fibers 11 each have a silver titanium dioxide composite antibacterial and antiviral layer 3, as shown in fig. 5C, and the second active ingredient is present in the silver titanium dioxide composite antibacterial and antiviral layer 3.
The related technical details mentioned in the first and second embodiments are still valid in this embodiment, and are not described herein again in order to reduce repetition. Accordingly, the related-art details mentioned in the present embodiment can also be applied to the first and second embodiments.
Advantageous effects of embodiments
The utility model discloses an antibacterial and antiviral structure, it can pass through "compound antibacterial and antiviral layer of silver-zinc covers a surface of porous basement", "compound antibacterial and antiviral layer of silver titanium dioxide form in" or "on the surface of compound antibacterial and antiviral layer of silver-zinc porous basement constitutes for a plurality of antibacterial and antiviral fibre, wherein each antibacterial and antiviral fibre include a basic fiber and one cover in the technical characteristics of the compound antibacterial and antiviral layer of silver-zinc outside the basic fiber" to make antibacterial rate and antiviral rate all reach more than 99%. In addition, the utility model discloses an antibiotic antiviral structure still has application scope extensively, uses nimble convenience and advantage such as harmless to human and environment.
The above disclosure is only a preferred and feasible embodiment of the present invention, and is not intended to limit the scope of the claims of the present invention, so that all the equivalent technical changes made by the contents of the specification and the drawings are included in the scope of the claims of the present invention.
Claims (8)
1. An antibacterial and antiviral structure, characterized in that said antibacterial and antiviral structure is a multi-layer structure, said antibacterial and antiviral structure comprising:
a porous substrate; and
the silver-zinc composite antibacterial antiviral layer is arranged on one outer surface of the porous substrate, and the thickness of the silver-zinc composite antibacterial antiviral layer is 100nm to 1500 mu m.
2. The structure of claim 1, further comprising a silver-titanium dioxide composite antibacterial and antiviral layer formed on an outer surface of the silver-zinc composite antibacterial and antiviral layer.
3. The antibacterial and antiviral structure according to claim 2, wherein the thickness of the silver titanium dioxide composite antibacterial and antiviral layer is 10nm to 500nm.
4. The antibacterial and antiviral structure according to claim 2, wherein said titanium dioxide in said silver titanium dioxide composite antibacterial and antiviral layer is in the form of particles having a major axis of 10nm to 50nm and a minor axis of 3nm to 20nm.
5. An antibacterial and antiviral structure, wherein said antibacterial and antiviral structure is a multi-layered structure, said antibacterial and antiviral structure comprising:
a porous substrate; and
a silver titanium dioxide composite antibacterial and antiviral layer, the silver titanium dioxide composite antibacterial and antiviral layer is arranged on an outer surface of the porous substrate, and the thickness of the silver titanium dioxide composite antibacterial and antiviral layer is 10-500 nm.
6. The antibacterial and antiviral structure according to claim 5, wherein the titanium dioxide in the silver titanium dioxide composite antibacterial and antiviral layer is in the form of particles having a major axis of 10nm to 50nm and a minor axis of 3nm to 20nm.
7. The utility model provides an antibacterial and antiviral structure which characterized in that, antibacterial and antiviral structure includes a porous substrate, porous substrate constitutes for a plurality of antibacterial and antiviral fibre, wherein each antibacterial and antiviral fibre includes a foundation fibre and a cladding in a silver-zinc compound antibacterial and antiviral layer outside the foundation fibre.
8. The structure of claim 7, wherein each of said fibers further comprises a silver titanium dioxide composite antibacterial and antiviral layer formed on an outer surface of said silver zinc composite antibacterial and antiviral layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122904996.7U CN218263239U (en) | 2021-11-24 | 2021-11-24 | Antibacterial and antiviral structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122904996.7U CN218263239U (en) | 2021-11-24 | 2021-11-24 | Antibacterial and antiviral structure |
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| Publication Number | Publication Date |
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| CN218263239U true CN218263239U (en) | 2023-01-10 |
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| CN202122904996.7U Active CN218263239U (en) | 2021-11-24 | 2021-11-24 | Antibacterial and antiviral structure |
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