WO2021172783A1 - Structure for blocking particulates and viruses by using static electricity, and product comprising same - Google Patents

Abstract

The present invention relates to a structure for blocking particulates and viruses, and a product comprising same, and, specifically, to a structure for blocking particulates and viruses by using static electricity, and a product comprising same, the structure having a networked or textile shape formed by doubling different types of fibers that have different electron affinities, and blocking particulates and various viruses by using static electricity (triboelectricity) caused by the friction between the different types of fibers constituting the structure.

Description

Structure for blocking fine dust and viruses using static electricity and articles having the same

The present invention relates to a structure for blocking fine dust and viruses and an article having the same, and in particular, to form a structure in the form of a mesh or fabric by braiding different types of fibers having different electron affinity, and configuring the structure It relates to a structure for blocking fine dust and viruses using static electricity that blocks fine dust and various viruses by using static electricity (friction charging) caused by friction between different types of fibers, and articles having the same.

In general, fine dust is a very fine substance that is invisible to the eye and refers to particulate matter with a diameter of 10 μm or less that floats for a long time in the atmosphere or comes down to the surface of the earth. Most of them are known to be generated when fossil fuels such as coal or petroleum are burned, and are mainly emitted from various manufacturing facilities, waste incinerators, and automobiles.

Such fine dust is an air pollutant that enters the interior through the respiratory tract and causes various respiratory diseases. The World Health Organization (WHO) provides air quality for fine dust of 10㎛ (P10) and 2.5㎛ (P2.5) or less. Guidelines have been presented since 1987, and in 2013, the International Agency for Research on Cancer (IARC) under the World Health Organization designated and managed fine dust as a group 1 carcinogen that causes carcinogenesis (Group 1). are doing

As such, fine dust has a very bad effect on the human body, so in parallel with the effective fine dust reduction policy and technology development, it is also very urgent to develop a technology to prevent fine dust from entering the room or entering the human body through the respiratory system. .

Thanks to this airflow, recently, as part of blocking the inflow of fine dust into the room, a technology for blocking the inflow of fine dust using static electricity has been disclosed in Korean Patent Laid-Open No. 10-2016-0119626, Korean Patent Laid-Open No. 10- It has been proposed in 2018-0112414 No., Republic of Korea Patent No. 10-1979100, and Korean Utility Model No. 20-2019-0003025.

However, the technologies proposed in Korean Patent Publication No. 10-2016-0119626, Korean Patent Publication No. 10-2018-0112414, Korean Patent Publication No. 10-1979100, and Korean Utility Model No. 20-2019-0003025 are electrostatic There was a cumbersome need to supply a separate power supply in a way to generate static electricity by supplying electricity to the mesh body through the generator.

In order to improve this, the Republic of Korea Public Utility Model No. 20-2019-0003075 proposes an insect screen that can be used without separate assembly or adhesion by forming a plurality of fine meshes integrally on a single mesh body. There was a limit to increasing the blocking rate of fine dust by narrowing the diameter of the particle to collect fine dust.

[Prior art literature]

[Patent Literature]

KR 10-2016-0119626 A, 2016. 10. 14.

KR 10-2018-0112414 A, 2018. 10. 12.

KR 10-1979100 B1, 2019. 05. 09.

KR 20-2019-0003025 U, 2019. 12. 10.

KR 20-2019-0003075 U, 2019. 12. 12.

Therefore, the present invention can block the inflow of fine dust and various viruses with repulsion and/or attraction by naturally generating static electricity using triboelectric charging caused by external stimuli (shock, wind, etc.) without separately supplying electricity. An object of the present invention is to provide a structure for blocking fine dust and viruses using static electricity and an article having the same.

In addition, the present invention relates to heterogeneous fibers with different electron affinity, that is, a fiber yarn made of a material having a large electron affinity and a positive charge (+) on the surface, and a negative charge (-) on the surface because the electron affinity is relatively small. A structure for blocking fine dust and viruses using static electricity that can maximize the blocking effect of fine dust, various bacteria and viruses by improving the charging characteristics by forming a structure in the form of a mesh or fabric by braiding the fiber yarns made of charged materials And there is another object to provide an article having the same.

The present invention for realizing the above object is to form a mixed yarn by braiding a positively charged inducing fiber yarn having a different electron affinity and a negatively charged inducing fiber yarn, and weaving the thus formed mixed yarn to form a mesh, and to the mixed yarn. When an external stimulus is transmitted, contact or friction occurs between the positively charged inducing yarn constituting the mixed yarn or the negatively charged inducing yarn, so that the surface of the positively charged inducing yarn and the negatively charged inducing yarn woven into a mesh is static electricity due to friction. By being induced, there is provided a structure for blocking fine dust and viruses using static electricity, characterized in that fine dust and viruses are pushed out or collected by repulsion and/or attraction.

In addition, the positive charge induction fiber yarn is silk, nylon, asbestos, glass fiber, wool, silk fiber, mica, rayon, raisin (巾布), vinylon (vinylon) ), human blend, acetate, cellophane, ebonite, cotton, aluminum, polyester, pulp, or any one of (synthetic) rubber, and the negative charge induction Textile yarns include polyethylene, polyethylene terephthalate, teflon, silicone, vinyl chloride, cellophane, saran, photographic film, cellluloid, kanekalon, Polypropylene, polyethylene, polycarbonate, methacrylate, polymethyl, polyurethane, acrylic, terylene or vinylon It may be characterized as any one of.

In addition, the mixed yarn may be formed by twisting at least one positively charged induced fiber yarn and at least one negatively charged induced fiber yarn.

In addition, the mixed yarn may be formed by stacking at least one positively-charged inducing fiber yarn and at least one negatively-charged inducing yarn in parallel with each other.

In addition, there is provided an article comprising a structure for blocking fine dust and viruses using the static electricity.

As described above, according to the structure according to the present invention, different types of fibers having different electron affinities during friction or contact, that is, a fiber yarn made of a material having a high electron affinity and a positive charge (+) on the surface thereof, By braiding fiber yarns made of a material that has a negative charge (-) on the surface due to its low electron affinity with each other and manufacturing it into a mesh or fabric structure, the charging characteristics are improved to maximize the blocking effect of fine dust, various bacteria and viruses. can do it

1 is a perspective view showing a structure according to a first embodiment of the present invention.

Figure 2 is a perspective view showing a structure according to a second embodiment of the present invention.

3 is an enlarged view of a part in order to explain a mixed yarn according to another example of the present invention.

Hereinafter, the technical features of the present invention will be described in detail with reference to the accompanying drawings.

The present invention is to provide a structure that can block the inflow of fine dust and various viruses with repulsion and/or attraction by naturally generating static electricity within itself through natural external stimuli such as wind or shock without separately supplying electricity. do.

To this end, the present invention can effectively block fine dust, various bacteria and viruses by plying different types of fibers with different electron affinity to each other to form a mixed yarn, and weaving the thus formed mixed yarn to form a mesh-shaped structure. can

1 is a perspective view showing a structure according to a first embodiment of the present invention.

Referring to FIG. 1 , a structure 10 according to Example 1 of the present invention is formed by connecting mixed yarns 11 obtained by braiding different types of fiber yarns having different electron affinity horizontally and vertically to form a matrix network. form a sieve In addition, it may be formed in a structure in the form of a fabric.

The mixed yarn 11 is a heterogeneous fiber having different electron affinity to block the inflow of fine dust or various viruses by inducing triboelectric charging by friction without using electricity to push or collect fine dust or viruses. are braided to form a yarn shape.

For example, the mixed yarn 11 includes a positively charged induced fiber yarn 11a and a positively charged fiber yarn 11a made of a material having a positive charge (+) on its surface due to high electron affinity during charging by friction or contact by an external stimulus. It is formed by braiding the negative charge-inducing fiber yarns 11b made of a material having a relatively low electron affinity compared to the negative charge (-) on the surface.

The positively charged guiding fiber yarns 11a and the negatively charged guiding fiber yarns 11b are shown in [Table 1] and [Table 2].

division Positively Charged Induced Fiber Yarn Negatively Charged Induced Fiber Yarn

matter
silk fiber, nylon

Silicone, vinyl chloride, polyethylene, polyethylene terephthalate

division Positively Charged Induced Fiber Yarn Negatively Charged Induced Fiber Yarn





matter
asbestos, glass fiber, wool, silk fiber, mica, rayon, raisin, vinylon, human silk blend, acetate, cellophane (cellophane), ebonite, cotton, aluminum, polyester, pulp, (synthetic) rubber
Teflon, silicone, vinyl chloride, cellophane, saran, photographic film, cellluloid, kanekalon, polypropylene, polyethylene ( polyethylene), polycarbonate, methacrylate, polymethyl, polyurethane, acrylic, terylene, vinylon

In the present invention, the mixed yarn 11 may be formed by braiding the positively charged induced fiber yarns and the negatively charged induced fiber yarns of [Table 1] and [Table 2]. The positively-charged inducing fiber yarn 11a loses electrons relatively well compared to the negatively-charged inducing fiber yarn 11b, and the negatively-charged inducing fiber yarn 11b gains electrons well.

For example, the mixed yarn 11 is, as shown in [Table 1], silk-silicone, silk-vinyl chloride, silk-polyethylene, silk-polyethylene terephthalate (PET), nylon-silicone, nylon-vinyl chloride, or nylon. - Polyethylene, nylon - can be formed by braiding polyethylene terephthalate (PET).

The mixed yarn 11 is composed of a positively charged inducing yarn (11a) and a negatively charged inducing yarn (11b) in order to induce frequent friction between the positively charged inducing yarns 11a and 11b constituting a single strand, respectively. Twisted to form In this case, depending on the direction of twist, it may be formed as a coincident yarn (S twisted yarn) or left twisted yarn (Z twisted yarn), or it may be formed of three or more braided yarns.

The positively charged inducing fiber yarn 11a loses electrons relatively well compared to the negatively charged inducing fiber 11b, and the negatively charged inducing fiber 11b easily gains electrons. That is, the positively-charged inducing fiber yarn 11a has a small electron affinity and positively charged (+) on the surface, and the negatively-charged inducing fiber yarn 11b has a relatively large electron affinity compared to the positively-charged inducing fiber yarn 11a. (-) is charged.

As shown in Figure 1, the structure 10 according to the first embodiment of the present invention is made of a mesh in the form of a matrix. In addition, the mixed yarn 11 may be formed in a structure in the form of a fabric. Through this, it can be used for the purpose of blocking fine dust or viruses by making various items.

As a first example, the mixed yarn 11 may be prepared by twisting two silk fibers as the positively-charged induced fiber yarns 11a and one polyethylene fibers as the negatively-charged inducing fibers 11b at the same time and braiding, or one silk fiber and polyethylene. Two strands of fiber yarn may be twisted and plied to form a three-ply structure. In addition, 4-ply and 5-ply, both are possible.

As a second example, the mixed yarn 11 may be obtained by twisting two silk fibers as the positively charged induced fiber yarns 11a and one polyethylene terephthalate yarns as the negatively charged inducing fibers 11b at the same time to braid, or one silk yarn It may be formed into a three-ply structure by twisting and braiding two strands of polyethylene terephthalate fiber yarn. In addition, 4-ply and 5-ply, both are possible.

As a third example, the mixed yarn 11 may be prepared by twisting two nylon fibers as the positively charged induced fiber yarn 11a and one polyethylene terephthalate yarn as the negatively charged induced fiber yarn 11b at the same time to braid, or one nylon fiber yarn It may be formed into a three-ply structure by twisting and braiding two strands of polyethylene terephthalate fiber yarn. In addition, 4-ply and 5-ply, both are possible.

In this way, the structure 10 according to the embodiment of the present invention can be manufactured as a mesh by weaving the mixed yarn 11 . That is, the plurality of mixed yarns 11 may be divided into warp yarns and weft yarns, and the warp yarns and weft yarns may be intersected to form a mesh structure in the form of a checkerboard.

Figure 2 is a perspective view showing a structure according to a second embodiment of the present invention.

Referring to FIG. 2 , the structure 20 according to the second embodiment of the present invention is formed into a predetermined structure using a mixed yarn 21 in which a positively charged induced fiber yarn 21a and a negatively charged induced fiber yarn 21b are stacked. do.

That is, the structure 20 according to the second embodiment of the present invention does not form the mixed yarn 21 by twisting the positively charged induced fiber yarns 21a and the negatively charged induced fiber yarns 21b with each other, unlike in the first exemplary embodiment, rather than forming a positively charged structure 20 according to the second embodiment of the present invention. It is formed by stacking the induced fiber yarns 21a and the negatively charged induced fiber yarns 21b side by side.

In addition, in order to prevent the positively charged induced fiber yarns 21a and the negatively charged induced fiber yarns 21b from being separated from each other, they may be attached with an adhesive such as an epoxy resin or a polyester resin.

On the other hand, when the structure 20 according to the second embodiment of the present invention is used as an insect screen, the positively charged guiding fiber yarns 21a are positioned inside, and the negatively charged guiding fiber yarns 21b are positioned on the outside.

3 is an enlarged view of a part of a mixed yarn according to another example of the present invention.

Referring to FIG. 3 , the mixed yarn 31 according to another example of the present invention is formed by closely stacking three fiber yarns 31a to 31c to form a triangular cross-section. At this time, the three-stranded fiber yarns 31a to 31c may be composed of two positively charged induced fiber yarns and one negatively charged induced fiber yarn, or one positively charged induced fiber yarn and two negatively charged induced fiber yarns. In addition, the mixed yarn 31 may be formed by stacking four or more fiber yarns on each other.

Hereinafter, the operating characteristics of the structures 10 and 20 according to embodiments of the present invention will be described.

When an external stimulus, such as an impact or wind, is applied to the structures 10 and 20 according to the present invention, static electricity is generated on these surfaces due to friction or contact between the positively charged inducing yarns constituting the mixed yarns 11 and 21 and the negatively charged inducing yarns. are induced respectively. That is, a positive charge (+) is charged to the positively-charged inducing fiber yarn, and a negative charge (-) is charged to the negatively-charged inducing fiber yarn. Accordingly, fine dust or various viruses introduced into the structures 10 and 20 may be pushed out or collected by repulsive force and/or attractive force and may be blocked from flowing into the room or through a human respiratory system.

The structures 10 and 20 according to the embodiments of the present invention described above may be applied to articles such as an insect screen, a dust blocking net installed in an air conditioning duct, a dust filter built in an air purifier, and a filter built in a face mask. have. And, it can be applied to articles such as veils, hijabs, chadors, niqabs, burkas, or hats, sun caps, and hard hats at construction sites manufactured in the form of a mesh.

When applied to articles such as veils, hijabs, chadors, niqabs, burkas, or hats, sun caps, and safety helmets at construction sites manufactured in the form of a mesh, the structure according to the present invention is detachably attached to the existing article, or It may be applied in a state integrally connected to the hat.

In addition, the structure according to the present invention can be applied to all articles having a filter or a filtration net used to block dust, bacteria, viruses, fine dust, and the like. For example, the article may be any one of articles that filter fine dust while passing clean air, such as insect screens, masks, air conditioner ducts, blinds, and the like.

As described above, the technical idea of the present invention has been specifically described in the preferred embodiment, but the preferred embodiment is for the purpose of explanation and not for limitation. As such, those of ordinary skill in the art will be able to understand that various embodiments are possible through the combination of the embodiments of the present invention within the scope of the technical spirit of the present invention.

[Explanation of code]

10, 20: structure

11, 21, 31: mixed yarn

11a, 21a: positively charged induced fiber yarn

11b, 21b: Negative induction fiber yarn

31a~31c: fiber yarn

Claims (5)

A mixed yarn is formed by braiding a positively charged induced fiber yarn having a different electron affinity and a negatively charged induced fiber yarn, and the thus formed mixed yarn is weaved to form a mesh, and when an external stimulus is transmitted to the mixed yarn, the mixed yarn Contact or friction occurs between the positive charge induced fiber yarn and the negative charge induced fiber yarn constituting And/or a structure for blocking fine dust and viruses using static electricity, characterized in that it is pushed out or collected by manpower. The method of claim 1 . The positive charge induction fiber yarn is silk, nylon, asbestos, glass fiber, wool, silk fiber, mica, rayon, raisin (巾布), vinylon (vinylon), It is any one of human silk blend, acetate, cellophane, ebonite, cotton, aluminum, polyester, pulp or (synthetic) rubber, and the negative charge inducing fiber yarn Polyethylene, polyethylene terephthalate, teflon, silicone, vinyl chloride, cellophane, saran, photographic film, cellluloid, kanekalon, polypropylene Any of (polypropylene), polyethylene, polycarbonate, methacrylate, polymethyl, polyurethane, acrylic, terylene, or vinylon A structure for blocking fine dust and viruses using static electricity, characterized in that there is only one. The method of claim 1, The structure for blocking fine dust and viruses using static electricity, characterized in that the mixed yarn is formed by twisting at least one positive charge inducing yarn and at least one negative charge inducing yarn. The method of claim 1, The mixed yarn is a structure for blocking fine dust and viruses using static electricity, characterized in that it is formed by stacking at least one positive charge inducing fiber yarn and at least one negative charge inducing yarn in parallel with each other. An article comprising a structure for blocking fine dust and viruses using the static electricity of any one of claims 1 to 4.

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