JP7026417B2 - Sanitary functional shorts - Google Patents

Description

The present invention relates to sanitary functional shorts, and more particularly to sanitary functional shorts that can efficiently absorb menstrual blood or secretions generated during a woman's menstrual period and can be repeatedly used by washing.

Generally, menstrual napkins used during a woman's menstrual period are used by sticking to the underwear and maintaining a high degree of interlocking with the underwear, but it cannot be said that the wing is always folded in the same position, and the wing is the underwear. It becomes difficult to see because it is exposed on the outer surface of the. Furthermore, the fact is that the environmental burden of disposable napkins has become a global problem.

In order to solve such a problem of menstrual napkins, a water-absorbent material may be attached to the inside of the shorts, or a water-absorbent material may be used, as in Registered Practical Proposal No. 3002607 and JP-A-2001-55602. Although sanitary shorts to be inserted have been developed, in the case of conventional sanitary shorts, the problem of water absorption deterioration due to repeated use, inconvenience and discomfort due to wearing, and leakage of menstrual blood or secretions due to sagging shorts must be improved. It had various problems such as having to.

The present invention relates to sanitary functional shorts capable of efficiently absorbing menstrual blood or secretions generated during a woman's menstrual period and preventing the generation of odor due to menstrual blood or secretions.

The present invention also relates to sanitary functional shorts that can minimize the uncomfortable feeling and the feeling of foreign matter felt by the wearer when used for a certain period of time or longer.

Furthermore, the present invention relates to sanitary functional shorts that can effectively prevent the problem of leakage of menstrual blood or secretions that may occur due to sagging of shorts, and can improve the problem of water absorption deterioration due to repeated use. ..

The present invention has been devised to solve the above problems, and in the sanitary functional shorts of the present invention, a cotton yarn layer containing cotton, which is a combed yarn or a card yarn of 40 to 120 counts, and the cotton yarn. At the lower end of the tail absorption region including the first nylon sheet existing on the back surface of the layer, the first waterproof cloth existing between the cotton thread layer and the first nylon sheet, and the lower end of the tail absorption region. A first absorbent cloth located on the skin contact surface of the wearer, a second nylon sheet existing on the back surface of the first absorbent cloth, the first absorbent cloth and the second nylon sheet. A menstrual blood absorption region including a second waterproof cloth existing between the two, and both sides or one side of the third nylon sheet, which are formed on both sides of the menstrual blood absorption region. The first absorbent cloth satisfies [Equation 1] and is sequentially located from the skin contact surface of the wearer, including the menstrual blood leakage prevention line including the third and fourth waterproof cloths present in the cloth. It is characterized by including a third absorption layer.
[Number 1] D1>D2> D3
In [Equation 1], D1 is the fineness of the fiber yarn present in the first absorption layer, D2 is the fineness of the fiber yarn present in the second absorption layer, and D3 is the fineness of the fiber yarn present in the second absorption layer. It is the fineness of the fiber yarn existing in the absorption layer.

The first to fourth waterproof cloths are polyurethane-based materials existing between a first layer containing a polyester-based resin, a second layer containing a polyurethane-based resin, and the first layer and the second layer. Includes a water-based adhesive layer.

The first to third absorption layers of the first absorption cloth contain a polyester resin.

Further, the first absorbing cloth includes a polyurethane dot layer having an uneven structure, the first absorbing layer is located on one side of the polyurethane dot layer having the uneven structure, and the other side is of the wearer. Direct contact with the skin contact surface.

The first absorbent cloth satisfies [Equation 2].
[Number 2] ρ1>ρ2> ρ3
In [Equation 2], ρ1 is the porosity (%) of the first absorption layer, ρ2 is the porosity (%) of the second absorption layer, and ρ3 is the porosity of the third absorption layer. (%).

The first to third absorbent layers of the first absorbent cloth are formed by using raw yarn containing ceramic particles at a ratio of 1 to 3%, and the first absorbent cloth is within the range of 10 nm to 700 nm. The blocking rate for the wavelength light of is in the range of 80% to 95%.

The edge of the menstrual blood absorption region is sewn and includes a deodorizing chamber having an ammonia deodorizing rate in the range of 3 mg to 10 mg per unit mass (g).

Further, the waist band region existing at the upper end of the buttock absorption region and surrounding the waist portion of the wearer is included, and the waist band region is 20 to 40 weights of polyurethane as compared with 100 weights of nylon. Include in proportion.

The sanitary functional shorts according to the present invention can efficiently absorb menstrual blood or secretions and remove the odor caused by menstrual blood or secretions.

Further, the sanitary functional shorts according to the present invention can minimize the uncomfortable feeling and the feeling of foreign matter felt by the wearer when used for a certain period of time or longer.

Further, the sanitary functional shorts according to the present invention can prevent the problem of leakage of menstrual blood or secretions that may occur due to the sagging of the shorts, and can improve the problem of water absorption deterioration due to repeated use.

However, the effect of the present invention is not limited to the above-mentioned range.

It is a figure for demonstrating the sanitary functional shorts by this invention for each area. It is a figure for demonstrating concretely about the buttock absorption region of the sanitary functional shorts by this invention. It is a figure for concretely explaining the menstrual blood absorption region of the sanitary functional shorts by this invention. It is a figure for concretely explaining the menstrual blood leakage prevention line of the sanitary functional shorts by this invention. It is a figure for concretely explaining the menstrual blood leakage prevention line of the sanitary functional shorts by this invention. It is a figure for demonstrating concretely each composition of the 1st absorption cloth by this invention. It is a figure for demonstrating concretely each composition of the 1st absorption cloth by this invention. It is a figure for demonstrating concretely each composition of the 1st to 4th waterproof cloths by this invention.

Hereinafter, the present invention will be described in more detail.

In the present specification, the singular expression includes a plurality of expressions unless otherwise specified.

As for the terms used herein, in view of the function in the present invention, general terms that are widely used at present are selected as much as possible, but these are the intentions or precedents of engineers engaged in the art, new technologies. May change due to the appearance of. Further, in a specific case, there is a term arbitrarily selected by the applicant, and in this case, the meaning is described in detail in the explanation part of the corresponding invention. Therefore, the terms used in the present invention should be defined based on the meaning of the terms and the general contents of the present invention, not merely the names of the terms.

In the present specification, terms such as "contains" or "composed" specify that the features, numbers, steps, actions, components, parts, or a combination thereof described in the specification exist. It should be understood that it is an attempt and does not preclude the existence or addability of one or more other features or numbers, steps, actions, components, parts, or combinations thereof. ..

The present invention relates to sanitary functional shorts. The sanitary functional shorts according to the present invention can efficiently absorb menstrual blood or secretions of women and can keep the menstrual blood or secretions for a long time, so that it is not necessary to wear another menstrual napkin. be.

An important factor in the function of sanitary functional shorts is not only to absorb menstrual blood or secretions, but also to prevent leakage of absorbed menstrual blood or secretions, and further, generation of menstrual blood or secretions. The purpose is to efficiently remove the odor caused by blood. In addition, even if the shorts are used for a long period of time, the feeling of foreign matter and the uncomfortable feeling of wearing the shorts must be minimized, and the absorbability must not be deteriorated due to repeated use.

However, in the case of conventional sanitary functional shorts, if they are worn for a certain period of time or longer, problems such as leakage of absorbed menstrual blood or secretions or generation of odors will occur, so there are many cases such as changing to new shorts. Was troublesome.

On the other hand, the present inventor has improved the above-mentioned problems by dividing the area of shorts by the difference in the degree of absorption of menstrual blood or secretions and adopting a custom-made material for each part.

In particular, the present inventor includes an absorption cloth satisfying a specific condition in the menstrual blood absorption region, and includes a predetermined waterproof cloth in the tail absorption region, the menstrual blood absorption region, and the menstrual blood leakage prevention region. It absorbs menstrual blood or secretions at a high speed, improves the problem of menstrual blood leakage, and also improves the problem of odor generation and the inconvenience of wearing it for a certain period of time or longer.

FIG. 1 is a diagram for explaining the sanitary functional shorts according to the present invention for each area.

As shown in FIG. 1, the sanitary functional shorts according to the present invention include the buttock absorption region 100, the menstrual blood absorption region 200 located at the lower end of the buttock absorption region 100, and the menstrual blood absorption region 200. It includes menstrual blood leakage prevention lines 300 formed on both sides.

As shown in FIG. 2, the tail absorption region 100 includes a cotton yarn layer 110 containing cotton, which is a combed yarn or a curd yarn having a count of 40 to 120, and a first nylon present on the back surface of the cotton yarn layer 110. The sheet 120 includes a first waterproof cloth 130 existing between the cotton thread layer 110 and the first nylon sheet 120.

As shown in FIG. 3, the menstrual blood absorption region 200 includes a first absorbent cloth 210 present on the skin contact surface of the wearer and a second nylon present on the back surface of the first absorbent cloth 210. The sheet 220 includes a second waterproof cloth 230 existing between the first absorbent cloth 210 and the second nylon sheet 220.

As shown in FIGS. 4a and 4b, the menstrual blood leakage prevention line 300 includes a third nylon sheet 310 and third and fourth nylon sheets 310 on both sides or one side of the third nylon sheet 310. Includes waterproof cloths 320 and 330.

Further, the third waterproof cloth 320 satisfies [Equation 1] and includes first to third absorption layers 321 to 322, 323 (not shown) sequentially located from the skin contact surface of the wearer. ..
[Number 1]
D1>D2> D3
In [Equation 1], D1 is the fineness of the fiber yarn present in the first absorption layer 321, D2 is the fineness (nm) of the fiber yarn present in the second absorption layer 322, and D3. Is the fineness (nm) of the fiber yarn present in the third absorption layer 323.

The buttock absorption region 100 is a portion that comes into contact with the wearer's buttock, and is a cotton thread layer 110 that comes into direct contact with the skin, a first nylon sheet 120 located on the outermost layer of the shorts, and the cotton thread layer 110. And a first tarpaulin 130 present between the first nylon sheet 120 and the first nylon sheet 120.

The cotton yarn layer 110 of the tail absorption region 100 includes cotton which is a combed yarn or a curd yarn having a count of 40 to 120.

As an example, the cotton yarn layer 110 includes cotton which is a 40th or 60th combed yarn or a curd yarn. The cotton thread layer 110 can efficiently absorb sweat that may be generated by wearing for a long time, and can minimize skin irritation.

The first nylon sheet 120 present on the back surface of the cotton thread layer 110 is, for example, a mixture of nylon and polyurethane.

As an example, the first nylon sheet 120 contains 5 to 15% by weight or 6 to 10% by weight of polyurethane as compared with 100% by weight of nylon. When polyurethane within the above range is included, the elasticity and span feeling of the entire shorts can be ensured, and the overall wearing feeling can be improved.

The first waterproof cloth 130 included in the buttock absorption region 100 exists between the cotton thread layer 110 and the first nylon sheet 120, and is menstrual blood or menstrual blood absorbed by the absorption cloth of the menstrual blood absorption region 200 described later. It plays a role in keeping secretions.

The first waterproof cloth 130 is, for example, between the first layer 131 containing the polyester resin, the second layer 132 containing the polyurethane resin, and the first layer 131 and the second layer 132. Includes the existing polyurethane-based water-based adhesive layer 133. (See Fig. 7)

Specifically, the first layer 131 is made of a polyester resin, and the second layer 132 is made of a polyurethane resin.

Types of the polyester-based resin include, for example, polyethylene terephthalate, polybutylene terephthalate, polytrimethylene terephthalate, and polyesters such as polylactic acid, but the present invention is not limited thereto, and terephthalic acid and ethylene glycol, or butylene. A polymer polymer produced by the condensation reaction of glycol, a condensate of sebacic acid, adipic acid, trimellitic acid, isophthalic acid, paraoxybenzoic acid, etc. with ethylene glycol or butylene glycol, or other polyesters. An example may be a polyester polymer containing the mixture.

The type of the polyurethane resin may be any as long as it is a polyurethane having a polymer diol and a diisocyanate as a starting material, and is not particularly limited. Further, the synthesis method is not particularly limited.

Specifically, the polyurethane-based resin may be a polyurethane urea composed of a polymer diol, diisocyanate and a low molecular weight diamine, or may be a polyurethane composed of a polymer diol, diisocyanate and a low molecular weight diol. Further, as the chain extender, polyurethane urea using a compound having a hydroxyl group and an amino group in the molecule may be used. It is also desirable to use a trifunctional or higher polyfunctional glycol, isocyanate, or the like as long as it does not interfere with the effects of the present invention.

As described above, the first waterproof cloth 130 includes the first layer 131 containing the polyester resin and the second layer 132 containing the polyurethane resin, so that the absorption cloth in the menstrual blood absorption region 200 can be used. It can efficiently play a role in retaining absorbed menstrual blood or secretions. On the other hand, as shown in FIG. 7, in the first waterproof cloth 130, the first layer 131, the adhesive layer 133, and the second layer 132 are sequentially positioned with respect to the skin contact surface. Further, the first waterproof cloth 130 is partitioned by sewing threads as one single waterproof cloth with the second to fourth waterproof cloths 230, 320, 330 described later.

The method for producing the first waterproof cloth 130 is not particularly limited, and for example, the above-mentioned raw yarn material is spun to form a web, and the formed web is passed between the emboss rolls. , A method such as forming a sheet with a non-woven fabric by thermocompression bonding is exemplified.

The sanitary functional shorts according to the present invention include a menstrual blood absorption region 200. The menstrual blood absorption region 200 is located at the lower end of the buttock absorption region 100, and is present on the back surface of the first absorption cloth 210 existing on the skin contact surface of the wearer and the back surface of the first absorption cloth 210. 2. The nylon sheet 220 and a second waterproof cloth 230 existing between the first absorbing cloth 210 and the second nylon sheet 220 are included.

The first absorption cloth 210 present on the skin contact surface of the menstrual blood absorption region 200 satisfies [Equation 1], and the first to third absorption layers 211, 212, which are sequentially located from the skin contact surface of the wearer. Includes 213. (See Fig. 5)
[Number 1]
D1>D2> D3
In [Equation 1], D1 is the fineness of the fiber yarn present in the first absorption layer, D2 is the fineness of the fiber yarn present in the second absorption layer, and D3 is the fineness of the fiber yarn present in the second absorption layer. The fineness of the fiber yarn existing in the layer.

The first absorbent cloth 210 according to the present invention is worn by forming an absorbent layer having a three-layer structure using raw yarns having different fineness and sequentially reducing the fineness of each absorbent layer from the skin contact surface. Efficiently absorbs a person's menstrual blood or secretions.

5 and 6 are diagrams for specifically explaining each configuration of the first absorbent cloth 210 according to the present invention.

As shown in FIG. 5, the first absorbing cloth 210 includes first to third absorbing layers 211, 212, and 213 in which the fineness is sequentially reduced from the portion close to the skin contact surface. The fineness arrangement of such absorption layers increases the ability to sequentially discharge menstrual blood or secretions and other sweats due to capillarity within each absorption layer, thereby being present on the back surface of the third absorption layer 213. The second waterproof cloth 230 can rapidly transfer menstrual blood or secretions and excretion such as sweat.

The specific fineness or diameter of the fibers constituting the first to third absorption layers 211, 212, 213 contained in the first absorption cloth 210 is not particularly limited, and the above-mentioned [Equation 1] can be used. Any fiber or diameter that meets the requirements may be used.

The first to third absorption layers 211, 212, and 213 included in the first absorption cloth 210 have a structure in which the void region in each layer is gradually reduced.

As an example, the first absorbent cloth 210 satisfies [Equation 2].
[Number 2]
ρ1>ρ2> ρ3
In [Equation 2], ρ1 is the porosity (%) of the first absorption layer, ρ2 is the porosity (%) of the second absorption layer, and ρ3 is the porosity of the third absorption layer. (%).

The fact that the first absorbing cloth 210 satisfies [Equation 2] means that the voids of the first to third absorbing layers 211, 212, 213 are sequentially reduced from the skin surface, and [Equation 2] is satisfied. By filling, the above-mentioned capillary effect of the first absorbent cloth 210 can be maximized.

The first to third absorption layers 211, 212, 213 contain, for example, a polyester resin.

Examples of the polyester-based resin include, but are not limited to, polyesters such as polyethylene terephthalate, polybutylene terephthalate, polytrimethylene terephthalate, and polylactic acid.

The method for forming the first to third absorption layers 211, 212, 213 of the first absorption cloth 210 is, for example, a method of forming the raw yarns constituting each of the first to third absorption layers with a known woven fabric or a known fabric. After manufacturing by the knitted fabric manufacturing method, it is also possible to manufacture an absorbent cloth including an absorbent layer having a three-layer structure by mutual crimping by a roll-to-roll process, and the same as the above-mentioned manufacturing method of the first waterproof cloth 130. It is also possible to use a non-woven fabric manufacturing method.

On the other hand, by arranging the absorption layers contained in the first absorption cloth 210 with a knitted fabric arranged in one direction, the absorption and discharge effects of menstrual blood or secretions can be maximized.

As an example, the first to third absorption layers 211, 212, and 213 of the first absorption cloth 210 are knitted layers formed by using raw yarns having different fineness from each other.

The first to third absorption layers 211, 212, 213 can also contain predetermined ceramic particles so as to have excellent ultraviolet and visible light blocking rates.

As an example, the first to third absorption layers 211, 212, 213 of the first absorption cloth 210 are formed by using a raw yarn containing ceramic particles at a ratio of 1 to 3%, and have a diameter of 10 nm to 700 nm. The blocking rate for wavelength light within the range is in the range of 80% to 95%.

The ceramic particles are, for example, TiO ₂ , but are not limited thereto. As described above, when the raw yarn is mixed with the ceramic particles having a predetermined content and used to produce the first to third absorption layers 211, 212, 213 of the first absorption cloth 210, it is excellent. A light blocking rate can be achieved.

The first absorbent cloth 210 further includes a polyurethane dot layer having an uneven structure.

Specifically, as shown in FIG. 6, the first absorbing cloth 210 further includes a polyurethane dot layer 214 existing on the opposite surface of the surface on which the second absorbing layer 212 of the first absorbing layer 211 is located. include.

In the case of ordinary sanitary shorts, a feeling of foreign skin and uncomfortable wearing may occur due to menstrual blood or accumulation of secretions due to the wearing period. However, in the case of the sanitary functional shorts according to the present invention, the polyurethane dot layer 214 of the first absorbent cloth 210 formed at the portion in direct contact with the skin minimizes the above-mentioned feeling of foreign matter on the skin and uncomfortable wearing. be able to.

That is, as shown in FIG. 6, the polyurethane dot layer 214 existing at the upper end of the first absorption layer 211 includes a concave portion (A) and a convex portion (B) at the same time, and has a predetermined elasticity. Therefore, by preventing the first absorbing layer 211 that absorbs menstrual blood or secretions from coming into direct contact with the skin, it is possible to minimize the feeling of foreign matter on the skin and the uncomfortable feeling of the wearer. That is, as shown in FIG. 6, one surface of the polyurethane dot layer 214 may have the first absorption layer 211 located, and the other surface may be in direct contact with the wearer's skin contact surface. ..

The polyurethane dot layer 214 includes a convex portion (A) and a concave portion (B) and has a predetermined thickness, and examples of the polymer diol of the structural unit constituting the polyurethane include a polyether diol and a polyester. It is a diol or a polycarbonate diol, and a polyester diol compound is desirable from the viewpoint of elasticity and flexibility.

Specific examples of the polyether diol compound include polyethylene glycol, modified polyethylene glycol, polypropylene glycol, polytrimethylene ether glycol, polytetramethylene ether glycol (hereinafter abbreviated as PTMG), and tetrahydroplan (hereinafter referred to as THF). Modified PTMG, which is a copolymer of 3-methyl-THF, and modified PTMG, which is a copolymer of 2,3-dimethyl-THF, and modified PTMG, which is a copolymer of 2,3-dimethyl-THF. There are random copolymers in which PTMG, THF and ethylene oxide and / or propylene oxide are irregularly arranged. Further, the polyether diol compound has a side chain obtained by decomposing a mixture of butylene adipate, polycaprolactone diol, 3-methyl-1,5-pentanediol and a polypropylene polyol with an adipic acid or the like. Polyester glycols such as polyester diols, dicarboxylic acid components consisting of 3,8-dimethyldecane diic acid and / or 3,7-dimethyl decane diacid, and polycarbonate diols containing dicarboxylic acid ester units derived from the diol component, etc. There is.

Such a polymer diol may be used alone or may be used by mixing or copolymerizing two or more kinds.

The structural unit diisocyanate constituting the polyurethane dot layer includes aromatics such as diphenylmethane diisocyanate (hereinafter abbreviated as MDI), tolylene diisocyanate, 1,4-diisocyanate benzene, xylene diisocyanate, and 2,6-naphthalenedi isocyanate. There are diisocyanates, methylene bis (cyclohexyl isocyanate), isophorone diisocyanate, methylcyclohexane 2,4-diisocyanate, methylcyclohexane 2,6-diisocyanate, cyclohexane 1,4-diisocyanate, hexahydroxylylene diisocyanate, hexahydrotoluene diisocyanate, octahydro1, There are finger ring group diisocyanates such as 5-naphthalenedi isocyanate.

The polyurethane dot layer 214 is formed by, for example, spinning a polyurethane resin raw yarn forming the dot layer into a fiber mold having concave portions and convex portions, but is not limited thereto. As described above, when the polyurethane dot layer including the concave portion and the convex portion is positioned on the first absorption layer 211 as compared with the normal polyurethane layer, the wearer's feeling of foreign matter due to skin contact is also uncomfortable to wear. Can be minimized.

When the polyurethane dot layer 214 is manufactured, the raw yarn may further contain ceramic particles, a spun material, or the like for mixed spinning. Therefore, the polyurethane dot layer 214 further contains ceramic particles or a span material.

The sanitary functional shorts according to the present invention have excellent deodorizing ability.

In order to achieve the excellent deodorizing ability, the first absorbing cloth 210 includes a predetermined deodorizing means.

As an example, the first absorbent cloth 210 contains organic and inorganic antibacterial agents.

Specifically, the first absorbent cloth 210 contains metallic phthalocyanine and zinc oxide. The metal phthalocyanine and zinc oxide are produced, for example, in a deodorant master arrangement form and can be mixed at the time of spinning the yarn.

The first absorbent cloth 210 contains thiazolylbenzimidazole (2- (4-thiazolyl) benzimidazole), polyhexamethylene biguanide hydrochloride (polyhexamethylene biguanide hydrochloride), and a powder of the following chemical formula 1.

[Chemical 1]

Further, as another example, in the sanitary functional shorts according to the present invention, the edge of the menstrual blood absorption region 200 is sewn, and the deodorization rate of ammonia per unit mass (g) is in the range of 3 mg to 10 mg. Including the room.

In particular, the sanitary functional shorts according to the present invention simultaneously include the addition of an organic and inorganic antibacterial agent in the first absorbent cloth 210 and the configuration of a deodorant chamber for sewing the edge of the menstrual blood absorption region for a long time. Even when worn, the odor of menstrual blood or secretions can be minimized.

The sanitary functional shorts according to the invention also include a menstrual leak prevention line 300. As shown in FIGS. 4a and 4b, the menstrual blood leakage prevention line 300 includes a third nylon sheet 310 and third and fourth nylon sheets 310 on both sides or one side of the third nylon sheet 310. Includes waterproof cloths 320 and 330.

In the menstrual blood leakage prevention line 300, the third and fourth waterproof cloths 320 and 330, which have substantially the same configuration as the first and second waterproof cloths 130 and 230, are located on both sides or one side of the nylon sheet. By doing so, it is possible to efficiently prevent the phenomenon of menstrual blood or secretions leaking.

As an example, in the menstrual blood leakage prevention line 300, as shown in FIG. 4a, the third and fourth waterproof cloths 320 and 330 can be positioned on one side of the third nylon sheet 310.

As another example, the menstrual blood leakage prevention line 300 may have the third and fourth waterproof cloths 320, 330 located on both sides of the third nylon sheet 310, as shown in FIG. 4b. ..

As described above, when the double waterproof cloth is included together with the nylon sheet, the effect of preventing menstrual blood leakage can be maximized.

On the other hand, the third and fourth tarpaulins 320 and 330 have the first layer 131 containing the polyester resin and the second layer 131 containing the polyurethane resin, similarly to the first and second tarpaulins 130 and 230. It includes a layer 133 and a polyurethane-based water-based adhesive layer 133 existing between the first layer 131 and the second layer 132.

On the other hand, the menstrual blood leakage prevention line 300 minimizes the problem of sagging due to repeated washing and long-term wearing by eliminating the span material.

As an example, the menstrual blood leakage prevention line 300 is characterized in that it does not contain a span material.

The sanitary functional shorts according to the present invention also include a waist band region 400 that resides at the upper end of the buttock absorption region and surrounds the wearer's waist region. The waist band region 400 is, for example, a mixture of nylon and polyurethane.

More specifically, the waist band region 400 includes 20% by weight to 40% by weight of polyurethane with respect to 100% by weight of nylon. Appropriate span and wearing feeling can be ensured within the above-mentioned ratio.

The drawings of the sanitary functional shorts according to the present invention have been described above as an example, but this is only an example according to the present invention, and the equivalent or the substitution product in the same category including the main technical idea of the present invention is the present invention. Belonging to the scope of rights of is self-evident to anyone with ordinary knowledge of the art.

100 Bottom absorption area 110 Cotton thread layer 120 First nylon sheet 130 First tarpaulin 131 First layer 132 Second layer 133 Polyurethane-based water-based adhesive layer 200 Menstrual blood absorption area 210 First absorption cloth 211 First 1 Absorption layer 212 2nd absorption layer 213 3rd absorption layer 214 Polyurethane dot layer 220 2nd tarpaulin 230 2nd tarpaulin 300 Menstrual blood leakage prevention line 310 3rd tarpaulin 320 3rd tarpaulin 321 First absorption layer 322 Second absorption layer 323 Third absorption layer 330 Fourth tarpaulin 400 Waist band area

Claims (8)

A cotton yarn layer containing cotton, which is a combed yarn or a card yarn having a count of 40 to 120, a first nylon sheet existing on the back surface of the cotton yarn layer, and a first nylon sheet existing between the cotton yarn layer and the first nylon sheet. The buttock absorption area including the waterproof cloth of 1 and
A first absorbent cloth located at the lower end of the tail absorption region and present on the skin contact surface of the wearer, a second nylon sheet present on the back surface of the first absorbent cloth, and the first absorbent cloth. A menstrual blood absorption region including a second waterproof cloth existing between the cloth and the second nylon sheet, and a menstrual blood absorption region.
A menstrual blood leakage prevention line formed on both sides of the menstrual blood absorption region and including a third nylon sheet and third and fourth waterproof cloths present on both sides or one side of the third nylon sheet. Including and
The first absorbent cloth is a sanitary functional shorts that satisfies [Equation 1] and includes first to third absorbent layers sequentially located from the skin contact surface of the wearer.
[Number 1]
D1>D2> D3
In [Equation 1], D1 is the fineness of the fiber yarn present in the first absorption layer, D2 is the fineness of the fiber yarn present in the second absorption layer, and D3 is the fineness of the fiber yarn present in the second absorption layer. It is the fineness of the fiber yarn existing in the absorption layer. The first to fourth waterproof cloths are
The first layer containing the polyester resin and
A second layer containing a polyurethane resin,
The sanitary functional shorts according to claim 1, further comprising a polyurethane-based water-based adhesive layer existing between the first layer and the second layer. The sanitary functional shorts according to claim 1, wherein the first to third absorption layers of the first absorption cloth contain a polyester-based resin. Further, the first absorbing cloth includes a polyurethane dot layer having an uneven structure, and the first absorbing cloth includes a polyurethane dot layer.
The sanitary function according to claim 1, wherein the first absorbing layer is located on one surface of the polyurethane dot layer having the uneven structure, and the other surface is in direct contact with the skin contact surface of the wearer. Sex shorts. The sanitary functional shorts according to claim 1, wherein the first absorbent cloth satisfies [Equation 2].
[Number 2]
ρ1>ρ2> ρ3
In [Equation 2], ρ1 is the porosity (%) of the first absorption layer, ρ2 is the porosity (%) of the second absorption layer, and ρ3 is the porosity of the third absorption layer. (%). The first to third absorption layers of the first absorption cloth are formed by using raw yarn containing ceramic particles at a ratio of 1 to 3%.
The sanitary functional shorts according to claim 1, wherein the first absorbent cloth has a blocking rate in the range of 80% to 95% for wavelength light in the range of 10 nm to 700 nm. The sanitary functionality according to claim 1, wherein the edge of the menstrual blood absorption region is sewn and includes a deodorizing chamber having an ammonia deodorizing rate in the range of 3 mg to 10 mg per unit mass (g). shorts. Further, the hip band region existing at the upper end of the buttock absorption region and surrounding the wearer's hip region is included.
The sanitary functional shorts according to claim 1, wherein the waist band region contains 20% to 40% by weight of polyurethane with respect to 100% by weight of nylon.

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