JP6946600B2 - Absorbent auxiliary pad and how to use it - Google Patents

Description

The present invention relates to a low-cost absorbent auxiliary pad capable of appropriately preventing leakage of loose stools and the like, and a method of using the same.

In general, adult disposable diapers include tape-stopping type and pants type, and these disposable diapers are appropriately selected and used according to the need for long-term care in excretion of the user. These absorbent articles are composed of a liquid permeable top sheet, a liquid permeable back sheet, and an absorber arranged between the two sheets. By adopting such a configuration, body fluids such as urine permeate through the top sheet of the absorbent article and are absorbed by the absorber, and are prevented from leaking to the outside by the back sheet.

By the way, tape-stop type and pants-type disposable diapers (hereinafter referred to as paper diapers) may be used alone or in combination with a urine absorbing pad, but at present, they are used together with a urine absorbing pad. In most cases, the urine absorbing pad is used in combination and is layered on the top sheet. This is because the cost per disposable diaper is high. By absorbing and holding excrement with a urine absorbing pad, which is cheaper than a disposable diaper, and then replacing only the urine absorbing pad, even after excretion, This is because it is not necessary to change the more expensive disposable diapers and the absorbent article can be used economically at a low cost.

Here, the urine collecting pad has various sizes and shapes depending on the amount of urine, and can surely absorb the excreted urine and prevent leakage. However, for loose stools, watery stools, and diarrheal stools (hereinafter referred to as loose stools, etc.), the absorbency is insufficient, and the loose stools, etc. may leak to the outside of the urine absorbing pad and the paper diaper. A urine absorbing pad aimed at preventing leakage of diarrhea has also been studied.

As a urine absorbing pad for the purpose of preventing leakage of loose stool or the like, for example, in Patent Document 1, at least in a urine absorbing pad provided with a top sheet, a back sheet, an absorber, and a three-dimensional gather. The feature is that a cup-shaped recessed cup portion is provided in a portion extending laterally from the protruding portion of the three-dimensional gather within the range rearward from the front end of the crotch portion when viewed from the surface on the clothing side. A urine absorbing pad is disclosed.

Japanese Unexamined Patent Publication No. 2014-45980

However, even in the urine absorbing pad described in Patent Document 1, when a large amount of loose stool or the like is excreted, the loose stool or the like leaks from the leaky part of the urine absorbing pad to the paper diaper, and further, the loose stool or the like leaks from the paper diaper to the clothes. And there was a possibility of leaking into the bedding. Therefore, the present invention has been made in view of the above problems, and an object of the present invention is to provide a low-cost absorbent article capable of appropriately preventing leakage of loose stools and the like and a method of using the same.

In view of the above problems, the inventors of the present invention have conducted diligent research. As a result, the absorbent auxiliary pad is composed of a top sheet, an absorber and a back sheet, and the absorber is provided with at least one bending auxiliary groove extending in the longitudinal direction at the central portion in the lateral direction. Further, the surface of the back sheet on the clothing side is provided with a strip-shaped fixing member extending in the longitudinal direction at the central portion in the lateral direction, and is arranged in an absorbent article such as a disposable diaper in a predetermined manner. According to the above, it has been found that the above problems can be solved, and the present invention has been completed. Specifically, the present invention provides the following.

(1) A first aspect of the present invention is a method of using an absorbent auxiliary pad, which comprises a liquid-permeable top sheet, a liquid-impermeable or liquid-permeable back sheet, the top sheet, and the back. An absorbent auxiliary pad having an absorber arranged between the sheets is used , and the absorber is provided with at least one bending auxiliary groove extending in the longitudinal direction at the central portion in the lateral direction. The surface of the back sheet on the clothing side is provided with a band-shaped fixing member extending in the longitudinal direction at the central portion in the lateral direction, and is bent so as to be convex toward the body using the bending auxiliary groove. As a result, the mountain fold shape is formed, and the absorbent auxiliary pad whose mountain fold shape is fixed by the fixing member surrounds the defecation region located at the crotch portion of the absorbent article from the crotch portion to the rear portion and absorbs the fold shape. This is a method of using an absorbent auxiliary pad that can prevent leakage of loose stool or the like from the absorbent article by arranging it in a substantially U shape along the inside of the three-dimensional gather of the sex article.

(2) The second aspect of the present invention is the method of using the absorbent auxiliary pad according to (1), wherein the dimension in the longitudinal direction before forming the mountain fold shape is 200 mm or more and 800 mm or less. It is characterized in that the absorbent auxiliary pad having a dimension in the lateral direction of 50 mm or more and 300 mm or less is used.

(3) A third aspect of the present invention is the method of using the absorbent auxiliary pad according to (1) or (2), wherein the height of the absorbent auxiliary pad fixed in a mountain-fold shape by the fixing member. It is characterized in that the absorbent auxiliary pad having a size of 20 mm or more and 100 mm or less is used.

(4) A fourth aspect of the present invention is the method of using the absorbent auxiliary pad according to any one of (1) to (3), wherein the bending auxiliary groove is provided in the absorbent body. It is a slit, and is characterized by using the absorbent auxiliary pad in which the slit does not penetrate the back sheet.

(5) A fifth aspect of the present invention is the method of using the absorbent auxiliary pad according to any one of (1) to (3), wherein the bending auxiliary groove is formed from the top sheet to the absorbent body. It is an embossed groove provided over the center, and is characterized by using the absorbent auxiliary pad in which the embossed groove does not reach the back sheet.

(6) A sixth aspect of the present invention is a method for using an absorbent auxiliary pad according to any one of (1) to (5), the fixing member, wherein a mechanical hook tape or a pressure-sensitive adhesive It is characterized by using an absorbent auxiliary pad.

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The absorbent auxiliary pad of the present invention is composed of a top sheet, an absorbent body and a back sheet, and the absorbent body is provided with at least one bending auxiliary groove extending in the longitudinal direction at the central portion in the lateral direction. The surface of the back sheet on the clothing side is provided with a band-shaped fixing member extending in the longitudinal direction at the central portion in the lateral direction. Therefore, the mountain fold shape can be formed by bending so as to be convex toward the body using the bending auxiliary groove, and further, the mountain fold shape can be fixed by the fixing member. Then, the absorbent auxiliary pad fixed in the mountain fold shape in this way surrounds the defecation area located at the crotch of the absorbent article such as a disposable diaper or a large urine absorbing pad from the crotch to the rear, and is absorbent. By arranging the article in a substantially U shape along the inside of the three-dimensional gathers of the article, the absorbent auxiliary pad can block the loose stool and the like, and prevent the loose stool and the like from leaking from the absorbent article. Further, the absorbent auxiliary pad of the present invention can be manufactured at low cost like the urine absorbing pad. Therefore, according to the present invention, leakage of loose stools and the like can be appropriately prevented, and cost reduction can be realized.

It is a top view of the absorbent auxiliary pad of this invention before forming a mountain fold shape. It is a top view of the absorbent auxiliary pad of this invention before forming a mountain fold shape. It is a drawing which shows the use example of the absorption auxiliary pad of this invention fixed in the mountain fold shape. It is a drawing which shows the use example of the absorption auxiliary pad of this invention fixed in the mountain fold shape. Is A ₁ -A ₁ cross-sectional view of FIGS.

Hereinafter, embodiments for carrying out the present invention will be described in detail with reference to the accompanying drawings. The same elements are designated by the same reference numerals throughout the description of the embodiments of the present invention.

In the description of the present specification, the time when the absorbent auxiliary pad 1 is worn means at least one of the time when the absorbent auxiliary pad 1 is worn and the time after wearing the absorbent auxiliary pad 1. The longitudinal direction of the absorbent auxiliary pad 1 is a direction parallel to the bending auxiliary groove 31 described later, and is a direction represented by Y in the drawing. On the other hand, the lateral direction of the absorbent auxiliary pad 1 is a direction laterally or orthogonal to the longitudinal direction, and is a direction represented by X in the drawing. Further, the body-side surface is the surface of the front and back surfaces of each member such as the absorber 30 that is arranged on the wearer's skin side when worn, and the clothing-side surface is the surface of each member such as the absorber 30. Of the front and back sides, this is the side that faces the wearer's skin side when worn. Further, the absorbent article on which the absorbent auxiliary pad 1 is arranged is divided into a front portion a, a crotch portion b, and a rear portion c.

<Absorbable auxiliary pad>
1 and 2 are plan views of the absorbent auxiliary pad 1 of the present invention before forming the mountain fold shape, and FIGS. 3 and 4 show the use of the absorbent auxiliary pad 1 of the present invention fixed to the mountain fold shape. illustrates an example, FIG. 5 is a ₁ -A ₁ cross-sectional view of FIGS. By arranging the absorbent auxiliary pad 1 of the present invention on an absorbent article such as a disposable diaper 50 or a large urine absorbing pad 60 in the following manner, it is possible to prevent leakage of loose stool or the like from the absorbent article. ..

As shown in FIGS. 1 and 2, the absorbent auxiliary pad 1 of the present invention includes a liquid-permeable top sheet 20, a liquid-impermeable or liquid-permeable back sheet 40, and a top sheet 20 and a back sheet 40. It has an absorber 30 arranged between the two. Further, the absorber 30 is provided with at least one bending auxiliary groove 31 extending in the longitudinal direction in the central portion in the lateral direction, and the surface of the back sheet 40 on the clothing side is provided in the central portion in the lateral direction. A strip-shaped fixing member 41 extending in the longitudinal direction is provided. Therefore, as shown in FIG. 5, a mountain fold shape can be formed by bending the mountain fold shape so as to be convex toward the body using the bending auxiliary groove 31, and further, the mountain fold shape is fixed by the fixing member 41. can do. Then, as shown in FIGS. 3 and 4, the absorbent auxiliary pad 1 fixed in a mountain fold shape in this way is located at the crotch portion b of the absorbent article such as the disposable diaper 50 or the large urine absorbing pad 60. By surrounding the defecation area from the crotch part b to the rear part c and arranging it in a substantially U shape on the body side surface of the top sheet 80 of the absorbent article so as to be along the inside of the three-dimensional gather 70 of the absorbent article. The absorbent auxiliary pad 1 can block loose stools and the like, and prevent leakage of loose stools and the like from the absorbent article.

Further, the dimension in the longitudinal direction before forming the mountain fold shape of the absorbent auxiliary pad 1 is preferably 200 mm or more and 800 mm or less, and the dimension in the lateral direction is preferably 50 mm or more and 300 mm or less. By setting the dimensions of the absorbent auxiliary pad 1 in the longitudinal direction and the lateral direction before forming the mountain fold shape in such a range, loose stools, etc. can be adjusted according to the mode, size, and shape of the absorbent article to be worn. It is possible to provide an absorbent auxiliary pad 1 that can appropriately prevent leakage of the water.

Further, the height of the absorbent auxiliary pad 1 fixed in a mountain-folded shape by the fixing member 41 is preferably 20 mm or more and 100 mm or less. By setting the height of the absorbent auxiliary pad 1 fixed in the mountain fold shape to such a range, it is possible to improve the fit and the feeling of wearing the absorbent auxiliary pad 1.

Further, the absorbent auxiliary pad 1 of the present invention can prevent leakage of loose stool or the like from the absorbent article by laminating it on the body side of the absorbent article without forming a mountain fold shape. Therefore, the shape of the absorbent auxiliary pad 1 is not particularly limited, but is a substantially rectangular shape as shown in FIG. 1 or a central portion in the longitudinal direction as shown in FIG. It is preferable that the shape can be laminated on the body side of the absorbent article such as a urine absorbing pad, such as a shape having a constriction at the end on the width side. As described above, the absorbent auxiliary pad 1 is excellent in versatility because it can be used by being laminated on the body side of the absorbent article without forming a mountain fold shape.

The absorbent auxiliary pad 1 of the present invention is shown in FIGS. 1 and 2 in order to improve the fit when the absorbent auxiliary pad 1 of the present invention is used by being laminated on the body side of the absorbent article without forming a mountain fold shape. As shown, it is preferable to provide the three-dimensional gathers 21 and the side gathers 22.

[Top sheet]
The top sheet 20 allows the body fluid to quickly pass toward the absorber 30, and is arranged so as to face the back sheet 40 with the absorber 30 interposed therebetween. Since the top sheet 20 is a sheet that comes into contact with the skin, it has a soft feel and has the property of not irritating the skin. It is formed from a film or a composite sheet in which these are laminated. The top sheet 20 may be a single layer or a plurality of layers may be laminated, and a large number of through holes may be formed in order to impart dry touch.

Further, as the hydrophilic non-woven fabric having the above-mentioned properties, synthetic fibers such as polypropylene and polyethylene, recycled fibers such as rayon, and natural fibers such as cotton are used in addition to the thermal bond method, the spunlace method and the span. Those obtained by a known processing method such as a bond method can be used.

The basis weight of the top sheet 20 is preferably ^{15 g / m 2} or more and 200 g / m ^{2 or less from the viewpoint of workability and strength.} Lotions, antioxidants, anti-inflammatory components, pH regulators, antibacterial agents, moisturizers and the like may be applied to the top sheet 20 in order to reduce irritation to the skin.

[Absorber]
The absorber 30 preferably contains an absorbent fiber as a base material and a highly absorbent polymer (SAP). The absorbent fiber is not particularly limited as long as it is generally used for absorbent articles such as sanitary napkins, disposable diapers, and urine absorbing pads. For example, fluff pulp, cotton, rayon, acetate, tissue, absorbent paper, and hydrophilic fiber are used. Examples include rayon. Among these, it is preferable to use fluff pulp from the viewpoint of absorbability. Examples of such fluff pulp include those obtained by defibrating wood pulp, synthetic fiber, polymer fiber, non-wood pulp and the like into a cotton-like shape. ^{The amount of absorbent fibers of the absorber 30 is preferably 100 g / m 2} or more and 800 g / m ² or less in terms of basis weight so as not to impair the absorption performance and the touch.

The highly absorbent polymer of the absorber 30 is not particularly limited as long as it can absorb body fluids and prevent backflow, and is a sodium polyacrylate-based polymer, a polyaspartic acid-based copolymer, ( Those formed from materials such as a starch-acrylic acid) graft copolymer, a (acrylic acid-vinyl alcohol) copolymer, a (isobutylene-maleic anhydride) copolymer and a saponified product thereof can be used. Among these, a sodium polyacrylate-based copolymer is preferable from the viewpoint of the amount of absorption per weight. The SAP amount of the absorber 30 is preferably a basis weight of ^{50 g / m 2} or more and 500 g / m ² or less so as not to impair the absorption performance and the touch. Further, from the viewpoint of absorption rate and absorption amount, the weight of the highly absorbent polymer with respect to the weight of the absorber 30 is preferably 15% by mass or more and 50% by mass or less.

In the absorber 30, the morphology of the absorbent fiber and SAP may be one formed by mixing SAP particles in the absorbent fiber, or a SAP sheet in which SAP particles are fixed between the absorbent fibers. preferable. Further, for the purpose of preventing leakage of SAP particles and stabilizing the shape of the absorber 30, it is preferable to wrap the absorber 30 in a carrier sheet. The base material of the carrier sheet may be any one having hydrophilicity, and examples thereof include hydrophilic non-woven fabrics such as tissues, absorbent papers, and air-laid non-woven fabrics. When a plurality of carrier sheets are provided, the base materials of the carrier sheets may be the same or different.

(Bending auxiliary groove)
The absorber 30 is provided with at least one bending auxiliary groove 31 extending in the longitudinal direction at the central portion in the lateral direction. Therefore, a mountain fold shape can be formed by bending the bending auxiliary groove 31 so as to be convex toward the body. The number of the bending auxiliary grooves 31 is preferably one from the viewpoint of workability when forming the mountain fold shape and the stability of the mountain fold shape.

Further, the bending auxiliary groove 31 is preferably a slit provided in the absorber 30, and the slit preferably does not penetrate the back sheet 40. When the folding auxiliary groove 31 is such a slit, it is easy to form a mountain fold shape and it is easy to maintain the mountain fold shape. Further, when the absorbent auxiliary pad 1 is used by laminating it on the body side of an absorbent article like a urine collecting pad without forming a mountain fold shape, the slit allows water and urine contained in loose stool or the like. Dispersibility can be improved.

Further, the bending auxiliary groove 31 is preferably an embossed groove provided from the top sheet 20 to the absorber 30, and the embossed groove preferably does not reach the back sheet 40. When the folding auxiliary groove 31 is such an embossed groove, it is easy to form a mountain fold shape and it is easy to maintain the mountain fold shape. Further, when the absorbent auxiliary pad 1 is used by being laminated on the body side of an absorbent article like a urine collecting pad without forming a mountain fold shape, the embossed groove causes water and urine contained in loose stool or the like. Dispersibility can be improved.

Further, the depth of the bending auxiliary groove 31 is preferably 1 mm or more and 5 mm or less. By setting the depth of the bending auxiliary groove 31 in such a range, it becomes easy to form a mountain fold shape, and it becomes easy to fix the mountain fold shape by the fixing member 41.

[Backsheet]
The back sheet 40 used in the present invention may have either liquid-impermeable or liquid-permeable properties, but it is preferable that the back sheet 40 is liquid-impermeable because it can further prevent leakage of loose stools and the like. The basis weight of the back sheet 40 is preferably ^{15 g / m 2} or more and 200 g / m ^{2 or less from the viewpoint of workability and strength.}

When the back sheet 40 is liquid impermeable, a sheet material that is liquid impermeable and has water impermeability is used, but it has moisture permeability to prevent stuffiness. You may. Examples of the material of the back sheet 40 having such characteristics include a thin plastic sheet such as a polyethylene sheet or a polyethylene laminated non-woven fabric.

When the back sheet 40 is liquid permeable, the back sheet 40, like the top sheet 20, is a hydrophilic non-woven fabric, an open film such as an open polyethylene film, a foam film such as urethane foam, or a laminate thereof. It is formed from the composite sheet. The back sheet 40 may be a single layer or a plurality of layers may be laminated, and a large number of through holes may be formed in order to impart dry touch. As the hydrophilic non-woven fabric having the above-mentioned properties, synthetic fibers such as polypropylene and polyethylene, recycled fibers such as rayon, and natural fibers such as cotton are used in addition to the thermal bond method, the spunlace method and the spunbond method. Those obtained by a known processing method such as, etc. can be used.

(Fixing member)
The surface of the back sheet 40 on the clothing side is provided with a band-shaped fixing member 41 extending in the longitudinal direction at the central portion in the lateral direction. Therefore, the mountain fold shape formed by using the bending auxiliary groove 31 can be fixed. Further, assuming that the dimensions of the absorbent auxiliary pad 1 before forming the mountain fold shape are smaller than the dimensions in the longitudinal direction and the lateral direction, the dimensions of the fixing member 41 in the longitudinal direction before forming the mountain fold shape are , 20 mm or more and 750 mm or less, and the dimension in the lateral direction is preferably 10 mm or more and 100 mm or less. By setting the dimensions of the fixing member 41 within such a range, the mountain-folded shape of the absorbent auxiliary pad 1 can be easily fixed and stabilized. The base material of the fixing member 41 is not particularly limited, but is preferably a mechanical hook tape or an adhesive. Further, it may have a release sheet for protecting the fixing member 41.

<How to use the absorbent auxiliary pad>
A method of using the absorbent auxiliary pad 1 of the present invention will be described. First, as shown in FIG. 5, the absorbent auxiliary pad 1 of the present invention is bent so as to be convex toward the body using the bending auxiliary groove 31, thereby forming a mountain fold shape, and further, the fixing member 41. Fixes the mountain fold shape. Then, as shown in FIGS. 3 to 5, the absorbent auxiliary pad 1 having the mountain fold shape fixed in this way is used for defecation located at the crotch portion b of the absorbent article such as the paper diaper 50 or the large urine absorbing pad 60. The region is surrounded from the crotch portion b to the rear portion c, and is arranged in a substantially U shape on the body side surface of the top sheet 80 of the absorbent article so as to be along the inside of the three-dimensional gather 70 of the absorbent article. By arranging the absorbent auxiliary pad 1 in this way, the absorbent auxiliary pad 1 blocks loose stools and the like, and prevents leakage of loose stools and the like to absorbent articles such as the disposable diaper 50 and the large urine absorbing pad 60. be able to. Further, the absorbent auxiliary pad 1 of the present invention can be used by being laminated on the body side of an absorbent article like a urine absorbing pad without forming a mountain fold shape.

1 Absorbent auxiliary pad 20 Top sheet 21 Three-dimensional gather of absorbent auxiliary pad 22 Side gather of absorbent auxiliary pad 30 Absorbent 31 Folding auxiliary groove 40 Back sheet 41 Fixing member 50 Absorbent article (paper diaper)
60 Absorbent article (large urine absorbing pad)
70 Three-dimensional gather of absorbent article 80 Top sheet of absorbent article a Front b Crotch c Rear

Claims (6)

How to use the absorbent auxiliary pad
An absorbent auxiliary pad having a liquid permeable top sheet, a liquid permeable or liquid permeable back sheet, and an absorber arranged between the top sheet and the back sheet is used.
The absorber is provided with at least one bending auxiliary groove extending in the longitudinal direction at the central portion in the lateral direction.
The garment-side surface of the back sheet is provided with a band-shaped fixing member extending in the longitudinal direction at the central portion in the lateral direction.
A mountain fold shape is formed by bending the mountain fold shape so as to be convex toward the body using the bending auxiliary groove, and further, the absorbent auxiliary pad whose mountain fold shape is fixed by the fixing member is used as a crotch of an absorbent article. By enclosing the defecation area located in the part from the crotch part to the rear part and arranging it in a substantially U shape along the inside of the three-dimensional gathers of the absorbent article, leakage of loose stool etc. from the absorbent article is prevented. How to use the absorbent auxiliary pad that can be. The absorption according to claim 1, wherein the absorbent auxiliary pad having a longitudinal dimension of 200 mm or more and 800 mm or less and a lateral dimension of 50 mm or more and 300 mm or less before forming a mountain fold shape is used. How to use the sexual aid pad. The height of the fixed said absorbent auxiliary pad which is fixed to the mountain fold shape by members, using said absorbent auxiliary pad is 20mm or more than 100mm, the use of absorbent auxiliary pad according to claim 1 or 2 .. The absorbent auxiliary pad according to any one of claims 1 to 3, wherein the bending auxiliary groove is a slit provided in the absorber, and the absorbent auxiliary pad is used in which the slit does not penetrate the back sheet. How to use . The folding auxiliary grooves are embossed grooves provided from said topsheet toward the absorbent body, using said absorbent auxiliary pad the embossed groove does not reach the back sheet, in any one of claims 1 to 3 How to use the absorbent auxiliary pad described. The fixing member, using said absorbent auxiliary pad is a mechanical hook tape or a pressure-sensitive adhesive, the use of absorbent auxiliary pad according to any one of claims 1 to 5.

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