KR20210044919A - Mask and adhesive tape applied to the same - Google Patents

Abstract

An embodiment of the present invention provides a mask which comprises a mask body, and an adhesive part formed on one surface of the mask body, wherein the adhesive part contains a hydroxyl group (-OH) crosslinking agent in an adhesive base. Another embodiment of the present invention provides adhesive tape which includes a sheet, a first adhesive part formed on one surface of the sheet, and a second adhesive part formed on the other surface of the sheet, wherein the first adhesive part is characterized in that the hydroxyl group (-OH) crosslinking agent is included in the adhesive base.

Description

Mask and adhesive tape applied to it {MASK AND ADHESIVE TAPE APPLIED TO THE SAME}

The present invention relates to a mask and an adhesive tape applied thereto, and more particularly, to a mask having an adhesive function that can be attached and detached to a face, and an adhesive tape applied thereto.

Masks are generally made of gauze or cotton to cover the nose and mouth to prevent inhalation and scattering of germs and dust for health and hygiene. Recently, the use of masks in daily life is increasing due to yellow dust, automobile exhaust, and fine dust.

In general, in industrial sites, there are many elements harmful to workers such as dust, dust, odor, and toxic gas, and inhaling them with a respirator may adversely affect health, so workers wear dust masks. Due to the frequent appearance of fine dust and concerns about health, ordinary people, not workers, are increasingly using masks with equivalent or better efficiency than the dust mask in daily life.

Conventional masks have fastening means such as strings or rubber bands attached to the mask body to fix the ears, head, neck, etc., and when a user uses this, the length and tightening of the fixing means are adjusted according to the size of the user's face.

These existing fixing means were inconvenient to use because they had to adjust the length according to the application part of the fixing means or depending on the user, and shortly after wearing the straps loosened or the mask became loose, the blocking function of the mask was degraded. The attached mask has a problem in that pain occurs due to the tightening of the ears, the back of the head, and the back of the neck that fix it. In addition, even when wearing a mask, there is a problem in that harmful foreign substances are introduced into the nose or mouth because the close contact with the face is not high. In addition, when exhalation leaks into the space between the face part and the mask, fogging occurs in the glasses in the case of spectacle wearers, and in particular, there are many cases in which spectacle wearers are reluctant to wear the mask.

[Prior literature] Korean Patent Registration 10-0510164

Prior literature according to the prior art (Republic of Korea Patent Registration No. 10-0510164) shows that the folds bent up and down are spread and the nose and lower jaws of the wearer are more closely adhered, and the finishes of both sides of the filter paper are not bent, so that the folds of the filter paper are not bent. There is disclosed a dust mask with a hanging band that is closely attached and inserted so that the user partially changes the length inside the finished part. However, with a simple structure such as the wrinkled part of the patent, it is difficult for the dust mask to adhere perfectly to the face. In particular, if the nose part is not in close contact, fogging may occur when wearing equipment such as glasses or goggles. There is a problem in that the vision is uncomfortable because the glasses move easily due to the movement of the mask.

In order to solve the above problems, the present invention can provide a mask having an adhesive portion in close contact with the skin and an adhesive tape applied thereto, and more specifically, an existing adhesive to reduce skin irritation caused by the adhesive portion in close contact with the skin. It is possible to provide a mask using a hydroxyl group (-OH) (or an alcohol group) replacing the carboxyl group (-COOH) as a crosslinking material on the adhesive portion, and an adhesive tape applied thereto.

An embodiment of the present invention includes a mask body and an adhesive portion formed on one surface of the mask body, wherein the adhesive portion includes an existing acrylic component and a pressure-sensitive adhesive base, and a hydroxyl group (-OH) crosslinking agent is included. Can provide.

Another embodiment of the present invention includes a sheet, a first adhesive portion formed on one surface of the sheet, and a second adhesive portion formed on the other surface of the sheet, wherein the first adhesive portion comprises a hydroxyl group (- OH) can provide an adhesive tape characterized in that it contains a crosslinking agent.

According to an embodiment of the present invention, it is possible to increase the adhesion between the mask and the face part, reduce skin irritation by the adhesion part, thereby preventing fogging when wearing glasses, and a mask having a good fit that increases dust collection efficiency, and It is possible to obtain an applied adhesive tape.

1 is a structural diagram of a mask according to an embodiment of the present invention.
2 is a structural diagram of a mask according to another embodiment of the present invention.
3 is a structural diagram of an adhesive tape according to still another embodiment of the present invention.
4 is a structural diagram of an adhesive tape according to still another embodiment of the present invention.

The present application may be implemented in various different forms and is not limited to the embodiments and examples described herein. In addition, in the drawings, parts irrelevant to the description are omitted in order to clearly describe the present application, and similar reference numerals are attached to similar parts throughout the specification.

In the entire specification of the present application, when a certain part "includes" a certain component, it means that other components may be further included rather than excluding other components unless otherwise stated.

The terms "about", "substantially", etc. of the degree used in the present specification are used at or close to the numerical value when manufacturing and material tolerances specific to the stated meaning are presented, and help the understanding of the present application In order to avoid unreasonable use by unscrupulous infringers of the stated disclosures, either exact or absolute figures are used. In addition, throughout the specification of the present application, "step to" or "step of" does not mean "step for".

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

1 is a structural diagram of a mask according to an embodiment of the present invention.

The mask 100 according to the present embodiment may include a mask body 110 and an adhesive part 120.

The adhesive part 120 may be formed on one surface of the mask body. Preferably, when the mask is worn on the face, it may be formed on one surface in contact with the face. By forming an adhesive portion on one surface of the mask body, a space created between the mask body and the face may be filled, thereby reducing the mask lifting phenomenon. As such, by reducing the lifting phenomenon between the mask and the face through the adhesive part 120, it is possible to reduce the leakage of exhalation through the gap when the mask is worn. In addition, in the case of the wearer of the glasses through this, it is possible to prevent the occurrence of fogging in the glasses due to leakage of exhalation when wearing the mask, so that the mask can be worn more comfortably.

In this embodiment, the adhesive part 120 may be formed in a strip shape on one surface of the mask body. When the adhesive portion 120 is formed in a strip shape as described above, the gap between the mask and the face portion can be blocked as much as possible, so that inhalation and exhalation can be entered and exited through the mask body. Therefore, it is possible to faithfully perform the role of the original filter of the mask.

In the present embodiment, the adhesive portion 120 is formed in a strip shape on one surface of the mask body, but the adhesive portion may be formed in a form in which some regions are cut off. When the mask is worn, a folded area is created according to the curve of the face, so when a part of the area in the band-shaped adhesive portion is formed in a disconnected form, the phenomenon of space lifting due to the folding of the adhesive portion in the folded area can be reduced.

In this embodiment, the adhesive part 120 may include a hydroxyl group (-OH) crosslinking agent in an acrylic (or metaacrylic) adhesive base. The pressure-sensitive adhesive base may be selected from silicone-based, hot-melt-based, and acrylic-based, and acrylic-based may be used as a main raw material. It is preferable to use a monomer having 1 to 17 carbon chains for the acrylic pressure-sensitive adhesive. In particular, a monomer having 2 to 8 carbon chains is preferred. In the case of the pressure-sensitive adhesive according to the present embodiment, it may be implemented to have an adhesive strength of _{500 to 1,000 g f} /inch ^2.

As the acrylic monomer, it is possible to use a general type and a methacrylate-based monomer. At this time, a single copolymer, a binary copolymer, a ternary, a quaternary, and a 5-membered copolymer are possible. In consideration of the crosslinking reaction of the polymer, it is possible to copolymerize with a monomer having a functional group having an acid, epoxy, hydroxy or amine group within 0.5 to 10% by weight of the total monomer.

In this embodiment, the pressure-sensitive adhesive may include a hydroxyl group (-OH) crosslinking agent. In general, a carboxyl group (-COOH) is used as a crosslinking agent of an adhesive, but when a carboxyl group (-COOH) crosslinking agent is used in an adhesive that is in direct contact with the human body, it may cause skin irritation due to a low pH, that is, an acid value component. In this embodiment, by using a hydroxyl group (-OH) crosslinking agent, skin irritation can be reduced even if the pressure-sensitive adhesive contacts the skin.

Examples of the hydroxyl crosslinking agent include 2-hydroxyethyl methacrylate (2-HEMA), 2-hydroxy propyl (meth) acrylate, 4-hydroxy butyl (meth) acrylate, 6-hydroxy hexyl methacrylate, 2-hydroxy ethylene glycol (meth) acrylate, 2-hydroxy propyl glycol (meth) acrylate, ethyl methacrylate (EMA), vinyl acrylate monomer (VAM), isooctyl acrylate (IOA), 2- At least one selected from a combination of ethyl hexyl (meth)acrylate, and butyl methacrylate (BMA) may be included.

In this embodiment, the weight ratio of the acrylic (or methacrylic) pressure-sensitive adhesive base and the crosslinking agent having a hydroxyl group (-OH) may be between 95:5 and 97:3.

In one embodiment, by adding 2-hydroxyethyl methacrylate (2-HEMA) as the hydroxyl group crosslinking agent to the acrylic pressure-sensitive adhesive base, it is possible to increase the re-peelability of the pressure-sensitive adhesive. When the hydroxyl group crosslinking agent used in this embodiment is used, the adhesiveness may be lower than that of the case where a carboxyl group (-COOH) crosslinking agent generally used for industrial purposes is used. In order to compensate for this adhesiveness, in this embodiment, hydroxy propyl methacrylate (HPMA), hydroxy butyl methacrylate (HBMA), and/or hydroxy hexyl methacrylate (HHMA) may be further included. In this embodiment, the weight ratio of the acrylic pressure-sensitive adhesive base: 2-HEMA: HPMA may be between 95:4:1 to 97:2:1. As in this example, when the weight ratio of the hydroxyl group crosslinking agent is maintained at 3 to 5%, and some of them are added as HPMA, HBMA, and/or HHMA, it can sufficiently perform the role of a crosslinking agent of the acrylic adhesive base and at the same time, the adhesiveness is You can compensate for the weakness.

In the mask according to the present embodiment, the adhesive portion may further include a urethane-based curing agent. By adding the urethane-based curing agent, it is possible to increase the thermal stability and biocompatibility of the adhesive.

Although not shown in the present embodiment, in order to increase the wearability of the mask, a wearing line for attaching the mask to the ear may be additionally formed. The wearing line may be formed on both sides of the mask body, respectively.

2 is a structural diagram of a mask 200 according to another embodiment of the present invention.

The mask 200 according to the present embodiment may include a mask body 210, an adhesive part 220, and a wearing line 230.

The adhesive part 220 may be formed on one surface of the mask body. Preferably, when the mask is worn on the face, it may be formed on one surface in contact with the face. By forming an adhesive portion on one surface of the mask body, a space created between the mask body and the face may be filled, thereby reducing the mask lifting phenomenon. In this way, by reducing the lifting phenomenon between the mask and the face through the adhesive part 220, it is possible to reduce exhalation leaking through the gap when the mask is worn. In addition, in the case of the wearer of the glasses through this, it is possible to prevent the occurrence of fogging in the glasses due to leakage of exhalation when wearing the mask, so that the mask can be worn more comfortably. In addition, since the adhesive part 220 can close a gap between the mask and the face part, inhalation and exhalation can be entered and exited through the mask body. Therefore, it is possible to faithfully perform the role of collecting dust of the mask.

In this embodiment, the adhesive part 220 has a first region 221 having one end located at the upper center and the other end extending downward, and one end connected to one end of the first region, and the other end extending downward. A second area 222 may be included. In addition, a central portion is connected to one end of the first region and the second region, and a third region 223 that is elongated above the mask body may be further included.

The first regions 221 and 222 of the adhesive portion may be formed to cover both sides of the nose when wearing a mask. This is the area where the lifting phenomenon between the mask and the face appears most severely due to the bending of both sides of the nose when wearing the existing mask. In the present embodiment, adhesion between the first region 221 and the second region 222 is formed on both sides of the nose where the lifting phenomenon occurs, so that the adhesion between the mask and the face may be improved. In the present embodiment, the first region 221 may be obliquely extended from the top of the mask in the lower left direction, and the second region 222 may be obliquely extended from the upper of the mask to the lower right direction.

In this embodiment, the third regions 223 may extend lengthwise from the top of the mask to both sides. As the third region extends long on both sides, it is possible to additionally prevent breathing from leaking out to the upper region of the mask.

In this embodiment, the adhesive part 220 is illustrated in a form including all of the first region 221, the second region 222, and the third region 223, but the adhesive part 220 is the first region 221, the second region 222, and the third region 223. An embodiment in which only 221 and the second region 222 is formed or an embodiment in which only the third region 223 is formed may be any number.

In this embodiment, the adhesive part 220 may include a hydroxyl group (-OH) crosslinking agent in the adhesive base. The pressure-sensitive adhesive base may be selected from silicone-based, hot-melt-based, and acrylic-based, and acrylic-based may be used as a main raw material. It is preferable to use a monomer having 1 to 17 carbon chains for the acrylic pressure-sensitive adhesive. In particular, a monomer having 2 to 8 carbon chains is preferred. In the case of the pressure-sensitive adhesive according to the present embodiment, it may be implemented to have an adhesive strength of _{500 to 1,000 g f} /inch ^2.

As the acrylic monomer, it is possible to use a general type and a methacrylate-based monomer. At this time, a single copolymer, a binary copolymer, a ternary, a quaternary, and a 5-membered copolymer are possible. In consideration of the crosslinking reaction of the polymer, it is possible to copolymerize with a monomer having a functional group having an acid, epoxy, hydroxy or amine group within 0.5 to 10% by weight of the total monomer.

In this embodiment, the pressure-sensitive adhesive may include a hydroxyl group (-OH) crosslinking agent. In general, a carboxyl group (-COOH) is used as a crosslinking agent for an adhesive. However, if a carboxyl group crosslinking agent is used in an adhesive in contact with the human body, it may cause skin irritation. In this embodiment, by using a hydroxyl group (-OH) crosslinking agent, skin irritation can be reduced even if the pressure-sensitive adhesive contacts the skin.

Examples of the hydroxyl crosslinking agent include 2-hydroxy ethyl methacrylate (2-HEMA), 2-hydroxy propyl (meth) acrylate, 4-hydroxy butyl (meth) acrylate, and 6-hydroxy hexyl methacrylate. , 2-hydroxy ethylene glycol (meth) acrylate, 2-hydroxy propyl glycol (meth) acrylate, ethyl acrylate (EA), vinyl acrylate monomer (VAM), isooctyl acrylate (IOA), 2- At least one selected from a combination of ethyl hexyl acrylate (2-EHA), and butyl acrylate (BA) may be included.

In this embodiment, the weight ratio of the acrylic pressure-sensitive adhesive base and the hydroxyl group (-OH) crosslinking agent may be between 95:5 and 97:3.

In one embodiment, by copolymerizing 2-hydroxyethyl methacrylate (2-HEMA) with the adhesive base as the hydroxyl crosslinking agent, re-peelability of the adhesive may be improved. When the hydroxyl group (-OH) crosslinking agent used in the present embodiment is used, the adhesiveness may be lower than when the carboxyl group (-COOH) crosslinking agent generally used in industrial adhesives is used. In order to compensate for such adhesion, the present embodiment may further include hydroxy propyl acrylate (HPA), and/or hydroxy butyl acrylate (HBA). In this embodiment, the weight ratio of the acrylic pressure-sensitive adhesive base: 2-HEMA: HPA may be between 95:4:1 to 97:2:1. As in this example, when the weight ratio of the hydroxyl group crosslinking agent is maintained at 3 to 5%, and some of it is added as HPA and/or HBA, it can sufficiently perform the role of a crosslinking agent of the acrylic adhesive base and at the same time, the adhesiveness is weakened. You can make up for the point.

In the mask according to the present embodiment, the adhesive portion may further include a urethane-based curing agent. By adding the urethane-based curing agent, it is possible to increase the thermal stability of the adhesive.

In the present embodiment, in order to increase the wearability of the mask, a wearing line 230 for attaching the mask to the ear may be additionally formed. The wearing line may be formed on both sides of the mask body, respectively. The wearing line may be formed of an elastic material.

3 is a cross-sectional view of an adhesive tape 320 according to another embodiment of the present invention. Referring to FIG. 3, the adhesive tape 320 according to the present embodiment includes a sheet 301, a first adhesive portion 302 formed on one surface of the sheet, and a second adhesive portion formed on the other surface of the sheet ( 303), and the first adhesive portion may be characterized in that a hydroxyl group (-OH) crosslinking agent is included in the adhesive base.

By attaching the adhesive tape 320 according to the present embodiment to the inner surface of the mask, a mask having the same shape as the embodiment of FIG. 1 or 2 can be manufactured. In this embodiment, the second adhesive portion 303 is adhered to the surface of the mask, and the first adhesive portion 302 may be a portion that contacts the skin.

The sheet 301 is a layer that supports the first adhesive portion and the second adhesive portion, and may be formed of various materials such as PET, polymer, and paper. It is preferable to use a polymer material in order to increase the adhesive strength with the first adhesive portion and the second adhesive portion.

The first adhesive part 302 may be formed on an upper surface of the sheet 301. The first adhesive portion may include a hydroxyl group (-OH) crosslinking agent in the adhesive base.

In this embodiment, the first adhesive portion 302 may include a hydroxyl group (-OH) crosslinking agent in the adhesive base. The pressure-sensitive adhesive base may be selected from silicone-based, hot-melt-based, and acrylic-based, and acrylic-based may be used as a main raw material. It is preferable to use a monomer having 1 to 17 carbon chains for the acrylic pressure-sensitive adhesive. In particular, a monomer having 2 to 8 carbon chains is preferred. In the case of the pressure-sensitive adhesive according to the present embodiment, it may be implemented to have an adhesive strength of _{500 to 1,000 g f} /inch ^2.

As the acrylic monomer, it is possible to use a general type and a methacrylate-based monomer. At this time, a single copolymer, a binary copolymer, a ternary, a quaternary, and a 5-membered copolymer are possible. In consideration of the crosslinking reaction of the polymer, it is possible to copolymerize with a monomer having a functional group having an acid, epoxy, hydroxy or amine group within 0.5 to 10% by weight of the total monomer.

In this embodiment, the pressure-sensitive adhesive may include a hydroxyl group (-OH) crosslinking agent. In general, a carboxyl group (-COOH) is used as a crosslinking agent for an adhesive. However, if a carboxyl group crosslinking agent is used in an adhesive in contact with the human body, it may cause skin irritation. In this embodiment, by using a hydroxyl group (-OH) crosslinking agent, skin irritation can be reduced even if the pressure-sensitive adhesive contacts the skin.

Examples of the hydroxyl crosslinking agent include 2-hydroxy ethyl meta acrylate (2-HEMA), 2-hydroxy propyl (meth) acrylate, 4-hydroxy butyl (meth) acrylate, and 6-hydroxy hexyl (meth). Acrylate, 2-hydroxy ethylene glycol (meth) acrylate, 2-hydroxy propyl glycol (meth) acrylate, ethyl acrylate (EA), vinyl acrylate monomer (VAM), isooctyl acrylate (IOA), At least one selected from a combination of 2-ethyl hexyl acrylate (2-EHA), and butyl acrylate (BA) may be included.

In this embodiment, the weight ratio of the acrylic pressure-sensitive adhesive base and the hydroxyl group (-OH) crosslinking agent may be between 95:5 and 97:3.

In an embodiment, by copolymerizing 2-hydroxyethyl methacrylate (2-HEMA ) with the adhesive base as the hydroxyl crosslinking agent, re-peelability of the adhesive may be improved. That is, when the hydroxyl group (-OH) crosslinking agent used in the present embodiment is used, the adhesiveness may be lower than when the carboxyl group (-COOH) crosslinking agent generally used in industrial adhesives is used. To compensate for this adhesion, in this embodiment, hydroxy propyl (meth) acrylate (HPA), hydroxy butyl (meth) acrylate (HBA), and/or hydroxy hexyl (meth) acrylate (HHA) are used. It may contain more. In this embodiment, the weight ratio of the acrylic pressure-sensitive adhesive base: 2-HEMA: HPA may be between 95:4:1 to 97:2:1. As in this example, when the weight ratio of the hydroxyl group crosslinking agent is maintained at 3 to 5%, and some of them are added as HPA, HBA, and/or HHA, it can sufficiently perform the role of a crosslinking agent of the acrylic pressure-sensitive adhesive base and at the same time have adhesiveness. You can compensate for the weakness.

In the mask according to the present embodiment, the adhesive portion may further include a urethane-based curing agent. By adding the urethane-based curing agent, it is possible to increase the thermal stability of the adhesive.

The second adhesive part 303 may be formed on a lower surface of the sheet 301. The second adhesive portion may have an adhesive force stronger than that of the first adhesive portion. The second adhesive portion may include a hydroxyl group (-OH) crosslinking agent in the adhesive base, like the first adhesive portion, and may also include a carboxyl group (-COOH) crosslinking agent in the adhesive base.

In this embodiment, the second adhesive portion 303 may serve to attach the adhesive tape 320 according to the present embodiment to one surface of the mask. Accordingly, the second adhesive portion 303 may be formed to have an adhesive force stronger than that of the first adhesive portion.

4 is a configuration diagram of an adhesive tape according to still another embodiment of the present invention.

4, the adhesive tape 420 according to the present embodiment includes a sheet 401, a first adhesive portion 402, a second adhesive portion 403, a first cover portion 404, and a second cover portion. (405) may be included.

This embodiment is a form in which the first cover portion 401 and the second cover portion 405 are added in the embodiment of FIG. 3.

The first cover part 404 is attached to the first adhesive part 402, and the second cover part 405 is attached to the second adhesive part 403. When using the adhesive tape of this embodiment, the second cover portion 405 is first peeled off and the second adhesive portion 403 is attached to the inside of the mask, and then the first cover portion 404 is peeled off and the mask can be worn. As such, the first cover part 404 and the second cover part 405 are attached on the first adhesive part 402 and the second adhesive part 403, respectively, to protect the surface of the adhesive part, and are easily used in use. A material coated to be peeled off can be used.

Although described above with reference to preferred embodiments and examples of the present invention, those skilled in the art will variously modify the present invention within the scope not departing from the spirit and scope of the present invention described in the following claims. And it will be appreciated that it can be changed. For example, the position or shape of the adhesive portion, components of the hydroxyl group crosslinking agent included in the adhesive portion, and the like may be variously implemented. These modified implementations should not be individually understood from the technical spirit or perspective of the present invention.

110: mask body 120: adhesive part
301: sheet 302: first adhesive portion
303: second adhesive portion

Claims (9)

Sheet;
A first adhesive portion formed on one surface of the sheet; And
A second adhesive portion formed on the other surface of the sheet
Including,
The first adhesive portion, an adhesive tape, characterized in that the hydroxyl group (-OH) crosslinking agent is included in the adhesive base.
The method of claim 1,
Adhesive tape, characterized in that the adhesive force of the second adhesive portion is stronger than that of the first adhesive portion.
The method of claim 1,
A first cover portion formed to cover the first adhesive portion; And
A second cover portion formed to cover the second adhesive portion
Adhesive tape, characterized in that it further comprises at least one of
The method of claim 1,
The pressure-sensitive adhesive base,
Adhesive tape, characterized in that the acrylic or methacrylic pressure-sensitive adhesive.
The method of claim 1,
The hydroxyl group crosslinking agent,
2-hydroxyethyl methacrylate (2-HEMA), ethyl acrylate (EA), vinyl acrylate monomer (VAM), isooctyl acrylate (IOA), 2-ethylhexyl acrylate (2-EHA), and Adhesive tape comprising at least one selected from a combination of butyl acrylate (BA).
The method of claim 5,
The hydroxyl group crosslinking agent further comprises at least one of hydroxy propyl acrylate (HPA) and hydroxy butyl acrylate (HBA).
The method of claim 1,
Adhesive tape, characterized in that the weight ratio of the pressure-sensitive adhesive base and the hydroxyl group crosslinking agent is 95:5 to 97:3.
The method of claim 1,
Adhesive tape, characterized in that the first adhesive portion has an adhesive force of about 500 ~ 1,000 g _f / inch ^2.
The method of claim 1,
Adhesive tape, characterized in that the first adhesive portion further comprises a urethane-based curing agent.

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