WO2019131956A1

WO2019131956A1 - Absorbent article, thermal comfort member for absorbent article, and use of thermal comfort member by affixation to absorbent article

Info

Publication number: WO2019131956A1
Application number: PCT/JP2018/048345
Authority: WO
Inventors: 慎平小松; 高橋　雄二; 俊久林
Original assignee: ユニ・チャーム株式会社
Priority date: 2017-12-28
Filing date: 2018-12-27
Publication date: 2019-07-04
Also published as: JP2019118539A; JP7085836B2; CN111526847A; KR20200103625A; TW201936147A

Abstract

The purpose of the present disclosure is to provide an absorbent article that resists movement of a thermal comfort solution when not worn and easily imparts thermal comfort when worn. This absorbent article has the following configuration. An absorbent article (1) having a waist region (WR) that is capable of extending in a waist direction (Wa), the absorbent article (1) being equipped with an absorbent body (5) and a thermal comfort member (7) for imparting thermal comfort to a wearer, and the thermal comfort member (7) being disposed in the waist region (WR) that is capable of extending in the waist direction (Wa), wherein the absorbent article (1) is characterized in that: the thermal comfort member (7) is equipped with a thermal-comfort-imparting layer (101), a liquid-impermeable layer (131), and a thermal comfort solution holding layer (121) that contains a thermal comfort solution; the thermal comfort solution includes a thermal comfort agent that activates TRP channels, and a solvent; and the thermal-comfort-imparting layer (101) is equipped with a plurality of openings (107) that are capable of releasing the thermal comfort solution when the waist region (WR) is extended in the waist direction (Wa).

Description

Absorbent article, thermal sensation member for absorbent article, and use by sticking to absorbent article of thermal sensation member

The present disclosure relates to an absorbent article, a thermal sensation member for applying warmth to a wearer, which is used by being attached to the waist region of the absorbent article, and an absorbent for the thermal sensation member for giving a warmth to a wearer. It relates to the use by sticking to the article.

DESCRIPTION OF RELATED ART A wearer is known the warm feeling article which gives a warm feeling. In particular, in the case of a warm feeling article for giving a feeling of warmth, from the viewpoint of preventing low temperature burns, it acts on the skin of the wearer more than the one containing a heat generating agent that physically generates heat, and raises the temperature of the skin of the wearer It is preferable to include those acting on

No. 5,985,095 is an absorbent article, preferably a hygiene, which comprises an agent intended to improve comfort, which can convey perception to the wearer without having to create external conditions perceived by the wearer. Disposable absorbent articles are described.
Also, paragraph [0040] of Patent Document 1 includes, as a preferable agent, a warming agent, and the warming agent does not need to generate a temperature change on the body surface of the wearer of the article, so It is described that the container (i.e. the heat) can be stimulated.

Also, in paragraph [0109] of Patent Document 1, “the composition of the agent, typically in the form of a lotion, a cream, an oil, an ointment, a powder, an emulsion, a foam, or a gel, is used as a carrier vehicle for a refreshing agent. Typical carrier vehicles for agents such as cooling agents include aqueous or alcoholic solutions, oils and lipids such as hydrocarbon oils, fatty acid esters, long chain alcohols, and silicone oils, starch or starch Ultrafine particulate solids such as talc and the like are mentioned.

Japanese Patent Publication No. 2004-528090

In the absorbent article described in Patent Document 1, when the warming agent is used together with the carrier vehicle, the warming agent and the carrier vehicle move from the place where the warming agent and the carrier vehicle are disposed to the absorbent or the like during storage of the absorbent article. In some cases, the absorbability of the absorber may be reduced.
Therefore, this indication aims at providing an absorptive article which is hard to move warm feeling solution at the time of non-wearing, and is easy to give warm feeling at the time of wear.

The present disclosures have a warmth to warm the wearer, having a waistline region that can extend in the waistline direction, and an absorbent body, and can be arranged in the waistline region to be extensible in the waist direction. What is claimed is: 1. An absorbent article comprising: a heat-sensitive solution, wherein the heat-sensitive member comprises a heat-sensitive layer, a liquid impermeable layer, and a heat-sensitive solution disposed between them. The warming solution includes a warming agent for activating TRP channels, and a solvent, and the warming layer adds the above-mentioned area around the waist in the direction around the waist, and We have found an absorbent article characterized by comprising a plurality of openings capable of releasing a warming solution.

The absorbent article of the present disclosure is less likely to move the warming solution when not worn, and tends to impart a warming sensation when worn.

FIG. 1 is a front view of a shorts-type sanitary napkin 1 according to a first embodiment. FIG. 2 is a development view of the shorts-type sanitary napkin 1 according to the first embodiment. FIG. 3 is a plan view of the thermal sensation member 7. FIG. 4 is an exploded perspective view of the thermal sensation member 7. FIG. 5 is a partial end view of the VV end face of FIG. FIG. 6 is a view for explaining the plurality of slits 107 when the thermal sensation member 7 is extended in the waist direction Wa. FIG. 7 is a view showing a wearing state of the shorts-type sanitary napkin 1. FIG. 8 is a development view of the shorts-type sanitary napkin 201 according to the second embodiment. FIG. 9 is a partial end view at the end face of IX-IX in FIG. FIG. 10 is a developed view of the disposable diaper 401 according to the third embodiment. FIG. 11 is a developed view of the disposable diaper 401. FIG.

Specifically, the present disclosure relates to the following aspects.
[Aspect 1]
An absorbent comprising: an area around the waist which is extendable in the direction around the waist; an absorber; and a thermal sensation member which is disposed in the area around the waist so as to extend in the direction around the waist and which gives the wearer a sense of warmth. Sexual goods,
The warm feeling member comprises a warm feeling imparting layer, a liquid impermeable layer, and a warm feeling solution holding layer disposed between them and containing a warm feeling solution,
The warming solution comprises a warming agent that activates TRP channels, and a solvent,
The warming sensation layer includes a plurality of openings capable of releasing the warming solution when the area around the waist is extended in the direction around the waist.
The above absorbent article characterized in that.

In the above absorbent article, the warm feeling solution holding layer for holding the warm feeling solution is disposed between the warm feeling imparting layer and the liquid impermeable layer, and the warm feeling imparting layer is an absorbent article. When the region around the waist is extended in the direction of the waist, the absorbent article has a plurality of openings capable of releasing the warming solution, so when the absorbent article is not worn (before wearing), It is difficult to move or volatilize the warm feeling solution from the warm feeling member, and when the absorbent article is worn, when the waist area, and hence the warm feeling member is stretched in the waist direction, the warm feeling solution It can be released to give the wearer a feeling of warmth.

[Aspect 2]
The absorbent article according to mode 1, wherein the thermal sensation imparting layer is composed of a liquid impermeable film, and each of the plurality of opening portions extends in a direction intersecting the waist direction.

In the above absorbent article, the thermal sensation imparting layer is composed of a liquid impermeable film, and each of the plurality of openings extends in the direction intersecting the waist direction, so that the absorbent article is not worn At times, it is difficult to move or evaporate the warming solution from the warming member. Further, when the absorbent article is worn, when the waist area and hence the warming sensation member are stretched in the waist direction, each of the plurality of openings expands in the waist direction and the warming solution retaining layer retains the warming temperature. The sensing solution can travel to the wearer through the plurality of flared openings to impart a warmth to the wearer.

[Aspect 3]
The thermal sensation application layer includes a skin side surface and a non-skin side surface facing the skin side surface, and in the thickness direction of the thermal sensation member, each of the plurality of opening portions is from the skin side surface. The absorbent article according to aspect 2, which is disposed so as not to reach the non-skin side or is disposed so as not to reach the skin side from the non-skin side.

In the absorbent article, each of the plurality of openings is disposed so as not to reach the non-skin side from the skin side as a starting point or to not reach the skin side from the non-skin side as a starting point. It is difficult to move or volatilize the warm feeling solution from the warm feeling member when the sexual article is not worn.

[Aspect 4]
Each of the plurality of apertures is a non-penetrating slit, and the plurality of apertures are such that two apertures adjacent in the waist direction partially overlap in the waist direction. The absorbent article according to aspect 3, which is intermittently arranged in the circumferential direction of the waist.

In the above absorbent article, the plurality of openings formed by the non-penetrating slits are intermittently arranged in the circumferential direction so that the two adjacent openings partially overlap in the direction of the front waist. Therefore, when the absorbent article is not worn, the warm feeling solution can be kept from moving from the warm feeling imparting layer to the outside of the warm feeling member, being hard to volatilize, etc., and at the time of wearing the absorbent article The heat-sensitive layer itself is likely to extend in the direction around the waist, and the warm-feel solution held by the warm-feel solution holding layer is moved to the wearer through the plurality of openings of the warm-feel imparting layer. It can give a feeling.

[Aspect 5]
The absorbent article according to any one of Modes 1 to 4, wherein the warm feeling solution holding layer comprises a plurality of through slit portions which are made of a cloth and extends in a direction intersecting the waist direction.

In the above absorbent article, the warm feeling solution holding layer is provided with a plurality of through slit portions which are made of cloth and extend in a direction crossing the waist direction, so that the warm feeling member is worn when wearing the absorbent article. When stretched in the waist direction, the warm-feeling solution holding layer itself is unlikely to be thinned by deformation of the plurality of penetrating slits, so the warm-feeling solution held in the warm-feeling solution holding layer is an absorbent article It is possible to prevent excessive application to the wearer during the initial wearing of In addition, even when the warm feeling solution holding layer is made of a non-stretchable fabric, the warm feeling solution holding layer and thus the warm feeling member can easily follow the stretching of the absorbent article in the waist direction. Therefore, when the absorbent article is worn, it is difficult for the wearer to feel a sense of pulling.

[Aspect 6]
The absorbent article according to a fifth aspect, wherein the plurality of through slit portions are intermittently arranged in the circumferential direction so that adjacent two through slit portions partially overlap in the circumferential direction.

In the above absorbent article, since the plurality of through slit portions are intermittently arranged in the circumferential direction so that the adjacent two through slit portions partially overlap in the circumferential direction, the absorbent article When worn, the thermal sensation imparting layer is likely to extend in the direction around the waist, and when the absorbent article is worn, the wearer is less likely to feel a sense of pulling.

[Aspect 7]
The absorbent article according to any one of aspects 1 to 6, wherein the liquid impermeable layer is a stretchable film stretchable in the waist direction.

In the above absorbent article, since the liquid impermeable layer is a stretchable film which can be stretched around the waist, the liquid impermeable layer, and hence the warm-feeling member is an absorbent article when the absorbent article is worn. It is easy to follow the extension of the waist area.

[Aspect 8]
The thickness retention ratio, which is the ratio of the thickness under a load of 30 g / cm ² to the thickness under a load of 3 g / cm ² , of the above-mentioned warm feeling solution-retaining layer is 70% or less The absorbent article as described in any one.

In the above absorbent article, since the thickness retention ratio is within the predetermined range, when the body pressure or the like is applied to the warming sensation member, the warming sensation solution holding layer is easily crushed and the warming temperature maintained by the warming sensation solution holding layer It becomes easy to transfer a feeling solution to a wearer's skin via the several opening part with which a warm feeling imparting layer is provided.

[Aspect 9]
The absorbent article according to any one of aspects 1-8, wherein the warming agent is an agonist for TRPV1 receptor.

In the above absorbent article, since the warming agent is an agonist for the TRPV1 receptor, when wearing the absorbent article, the wearer can feel the temperature above 43 ° C., which is the activation temperature threshold of the TRPV1 receptor. As a result, in the above-mentioned absorptive article, a wearer can be made to feel sufficient thermal sensation.

[Aspect 10]
Aspect 11. The absorbent article according to any one of aspects 1 to 9, wherein the solvent is a lipophilic solvent.

In the above-mentioned absorbent article, since the solvent which constitutes warm feeling solution is a lipophilic solvent, since a warm feeling member itself can control volatilization of a lipophilic solvent, packaging of an absorbent article, for example, individual packing Can be simplified.

[Aspect 11]
Aspect 11. The absorbent article according to any one of aspects 1 to 10, wherein the absorbent article does not contain a heat generating agent.

The above-mentioned absorbent article does not contain a heat generating agent, and therefore, even when the absorbent article is used for a long time, it is difficult for the wearer to burn at a low temperature.

[Aspect 12]
The absorbent article according to any one of aspects 1-11, wherein said absorbent article is selected from the group consisting of a shorts-type sanitary napkin and a disposable diaper.

Since the absorbent article is selected from the group consisting of a shorts-type sanitary napkin and a disposable diaper, it can provide a wearer with a sense of warmth while exhibiting absorption performance.

[Aspect 13]
A warm feeling member which is used by being attached to an absorbent article and which gives a warm feeling to a wearer,
The warm feeling member is fixed to a warm feeling solution holding layer containing a warm feeling solution, a warm feeling solution-containing layer, a liquid impermeable layer, and a warm feeling solution disposed therebetween, and the liquid impermeable layer. An adhesive unit for sticking the warm feeling member to the absorbent article,
The warming solution comprises a warming agent that activates TRP channels, and a solvent,
The thermal sensation application layer includes a plurality of openings capable of releasing the thermal sensation solution when the thermal sensation application layer is elongated in a predetermined direction.
The above warm feeling member.

When the thermal sensation member is used by being attached to an absorbent article, a thermal sensation solution holding layer for retaining the thermal sensation solution is disposed between the thermal sensation giving layer and the liquid impermeable layer In addition to the above, the warming layer is provided with a plurality of openings capable of releasing the warming solution when the warming layer is extended in a predetermined direction. Therefore, when the above-mentioned thermal sensation member is used by being attached to the absorbent article, it is difficult to move or evaporate the thermal sensation solution from the thermal sensation member when the absorbent article is not worn, while When worn, when the absorbent article and hence the thermal sensation member are stretched in a predetermined direction, the thermal sensation imparting layer can release the thermal sensation solution to impart warmth to the wearer.

[Aspect 14]
The thermal sensation member has a waist area which can extend in the waist direction, and is used by being attached to the waist area of an absorbent article provided with an absorbent body, and the predetermined direction is the waist area. The thermal sensation member according to aspect 13, which is a direction.

The above-mentioned thermal sensation member is provided on the waistline region of the absorbent article such that when the thermal sensation member is stretched in the direction around the waist, the plurality of openings of the warming sensation layer can release the warming solution. It is used by sticking. Therefore, when the thermal sensation member is used by being attached to the waist region of the absorbent article, it is difficult to move or volatilize the thermal sensation solution from the thermal sensation member when the absorbent article is not worn, At the time of wearing the absorbent article, when the absorbent article and hence the thermal sensation member are stretched in the direction around the waist of the absorbent article, the thermal sensation giving layer is likely to release the thermal sensation solution and warm the wearer. It becomes easy to give a feeling.

[Aspect 15]
It is use by sticking to an absorbent article of the warm feeling member which gives a warm feeling to a wearer,
The warm feeling member is fixed to a warm feeling solution holding layer containing a warm feeling solution, a warm feeling solution-containing layer, a liquid impermeable layer, and a warm feeling solution disposed therebetween, and the liquid impermeable layer. An adhesive unit for sticking the warm feeling member to the absorbent article,
The warming solution comprises a warming agent that activates TRP channels, and a solvent,
The thermal sensation application layer includes a plurality of openings capable of releasing the thermal sensation solution when the thermal sensation application layer is elongated in a predetermined direction.
Above use.

In the above-mentioned thermal sensation member, the thermal sensation solution holding layer for retaining the thermal sensation solution is disposed between the thermal sensation imparting layer and the liquid impermeable layer, and the thermal sensation imparting layer is in a predetermined direction. It is provided with a plurality of openings capable of releasing the warm feeling solution when it is extended. Therefore, in the above-mentioned use, the above-mentioned thermal sensation member attached to the absorbent article is difficult to move or volatilize the thermal sensation solution from the thermal sensation member at the time of non-wear of the absorbent article. When the article is worn, when the absorbent article and hence the thermal sensation member are stretched in a predetermined direction, the thermal sensation imparting layer can release the thermal sensation solution to impart warmth to the wearer.

The absorbent article of the present disclosure, a warming sensation member used by being attached to the absorbent article, and use of the warming sensation member by being attached to the absorbent article will be described in detail below.
<Absorbent article>
FIGS. 1 to 7 are diagrams for describing a shorts-type sanitary napkin 1 as an absorbent article according to one of the embodiments of the present disclosure (hereinafter, referred to as “first embodiment”). Hereinafter, the “shorts-type sanitary napkin as the absorbent article according to the first embodiment” may be simply referred to as the “shorts-type sanitary napkin according to the first embodiment”.

Specifically, FIG. 1 is a front view of the shorts-type sanitary napkin 1 according to the first embodiment. FIG. 2 is a development view of the shorts-type sanitary napkin 1 according to the first embodiment. FIG. 3 is a plan view of the thermal sensation member 7. FIG. 4 is an exploded perspective view of the thermal sensation member 7. FIG. 5 is a partial end view of the VV end face of FIG. FIG. 6 is a view for explaining the plurality of slits 107 when the thermal sensation member 7 is extended in the waist direction Wa. FIG. 7 is a view showing a wearing state of the shorts-type sanitary napkin 1.

The shorts-type sanitary napkin 1 according to the first embodiment has a length direction Lo, a waist direction Wa and a thickness direction T orthogonal to each other. In the shorts-type sanitary napkin 1, the length direction Lo means a direction perpendicular to the waist direction Wa. The shorts-type sanitary napkin 1 is composed of a shorts-type sanitary napkin main body 3 including an absorbent body 5 and a thermal sensation member 7 disposed on the shorts-type sanitary napkin main body 3. The heat sensation member 7 is disposed on the shorts-type sanitary napkin body 3 so as to be disposed at a position corresponding to the lower abdomen of the wearer when the wearer wears the shorts-type sanitary napkin 1.

Shorts-type sanitary napkin main body 3 (shorts type sanitary napkin 1) along the length direction Lo, before and waist region WR _F, and crotch area C, it is partitioned into a rear waist region WR _R. Absorber 5 has a front waist region WR _F shorts type sanitary napkin main body 3, and the crotch region C, are disposed across the rear waist region WR _R, and Yutakakan member 7, the front waist region It is arranged in WR _F.

Front waist region WR _F shorts type sanitary napkin main body 3, on the front side nonwoven fabric 13 (specifically disposed farther from the near located on the side the front elastic nonwoven fabric 11 and the wearer the wearer, span And a front waist belt member 15 disposed along the waist region WR. The front laminated sheet is formed by laminating a front stretchable nonwoven fabric 11 and a front nonwoven fabric 13 with a hot melt adhesive interposed therebetween to form a laminate, and then subjecting the laminate to gear drawing. The front waist belt member 15 is fixed to a folded back portion of the front laminated sheet which is folded back with the front stretchable nonwoven fabric 11 inside.

The waist region WR _R after shorts type sanitary napkin 1, on the side non-woven fabric 21 (specifically after being placed on the far side from the side elastic nonwoven fabric 19 and the wearer after being placed on the side closer to the wearer, And a rear waist belt member 23 disposed along the waist region WR. The said back side lamination sheet is formed by carrying out the gear stretch of the said laminate, forming the laminate which laminated | stacked the back side elastic nonwoven fabric 19 and the back side nonwoven fabric 21 on both sides of a hot-melt-adhesive agent. ing. The rear waist belt member 23 is fixed to a folded back portion of the rear laminated sheet which is folded back with the rear elastic nonwoven fabric 19 inside. In addition, the front side nonwoven fabric 13 and the back side nonwoven fabric 21 are comprised integrally.

And waist region WR _F before, the rear waist region WR _R, before each of the two front mating portion 17 of the waist region WR _F is, each of the two rear junction 25 of the rear waist region WR _R As a result, the waist area WR is formed, and the waist area WR can extend in the waist direction Wa.
The structure of the shorts-type sanitary napkin main body 3 is the same as that described in JP-A-2016-059713, and thus the detailed description is omitted.

The heat sensation member 7 includes a heat sensation imparting layer 101 having a skin side surface 103 and a non-skin side surface 105, a heat sensation solution holding layer 121 adjacent to the non-skin side surface 105 of the heat sensation imparting layer 101, and a heat sensation solution holding layer. A liquid impermeable layer 131 adjacent to the surface of the layer 121 on the opposite side to the warming sensation imparting layer 101 and in contact with the clothing, a liquid impermeable layer 131 fixed to the liquid impermeable layer 131 and the liquid impermeable layer 131 The adhesive part 133 stuck to the napkin 1 is provided in that order.

The warming sensation imparting layer 101 and the liquid impermeable layer 131 have substantially the same size in the length direction Lo and the waist direction Wa, and have a size slightly larger than the warming sensation solution holding layer 121. The thermal sensation member 7 seals the peripheral portions of the thermal sensation imparting layer 101 and the liquid impermeable layer 131 so that the thermal sensation solution held by the thermal sensation solution holding layer 121 disposed therebetween is heated. Leakage from the sensing member 7 is suppressed.

The warm solution holding layer 121 holds, in its entirety, a warm solution (not shown) containing a warm agent for activating the TRP channel and a lipophilic solvent.
The heat sensation imparting layer 101 is made of a liquid impermeable film, and a plurality of openings capable of releasing the heat sensation solution when the waist circumference region WR is extended in the waist circumference direction Wa. The plurality of slit portions 107 are provided. As shown in FIG. 5, each of the plurality of slit portions 107 includes an opening 109 disposed in the skin side surface 103, a slit bottom 113 disposed between the skin side surface 103 and the non-skin side surface 105, an opening 109 and And a slit wall 111 connecting the slit bottom 113. In other words, each of the plurality of slit parts 107 constitutes a non-penetrating slit part. By doing so, when the shorts-type sanitary napkin 1 is not worn, the warming sensation solution is less likely to move from the warming sensation member 7 to the outside, for example, the absorber 5.

In each of the plurality of slits 107, the opening 109 is disposed along the length direction Lo. The plurality of slits 107 are spaced apart in the waist direction Wa. In addition, the plurality of slits are arranged so that the two slits 107 adjacent in the waist direction Wa overlap in the waist direction Wa such that a portion thereof overlaps and the remaining portions thereof do not overlap. It is placed on Wa.

By doing so, as shown in FIG. 6, when the thermal sensation member 7 is extended in the waist direction Wa, the respective openings 109 of the plurality of slit portions 107 which are non-penetrating slits extend in the waist direction Wa. Then, the opening area of the opening 109 is increased, and finally, the opening 109 is split, in other words, each of the plurality of slit parts 107 constitutes a through slit.

In addition, since the thermal sensation imparting layer 101 is formed of the liquid impermeable film provided with the plurality of slit portions 107 described above, the thermal sensation imparting layer 101 is heated before the shorts type sanitary napkin 1 is worn. While being able to seal the warm feeling solution which the sensitive solution holding layer 121 holds, when the shorts type sanitary napkin 1 is worn, the warm feeling giving layer 101 follows the extension of the waist area WR, The warming solution retained by the warming solution retaining layer 121 can be released.

The warm feeling solution holding layer 121 includes the skin side surface 123 on the warm feeling giving layer 101 side and the non-skin side 125 on the liquid impermeable layer 131 side. Further, the warm feeling solution holding layer 121 is made of air laid pulp and is provided with a plurality of through slit portions 127. The plurality of penetration slits 127 penetrate from the skin side surface 123 to the non-skin side surface 125.

Each of the plurality of penetration slits 127 is disposed along the length direction Lo. The plurality of through slit portions 127 are spaced apart in the waist direction Wa. Also, in the plurality of through slit portions 127, two through slit portions 127 adjacent in the waist direction Wa overlap in the waist direction Wa so that parts thereof overlap and the remaining parts thereof do not overlap, It is disposed in the waist direction Wa.

By doing so, when wearing the shorts type sanitary napkin 1, the wearer extends the waist area WR of the shorts type sanitary napkin 1 in the waist direction Wa, while the wearer wears the shorts type sanitary napkin When the napkin 1 is worn in a state in which the waistline region WR is stretched, the through slit portion 127 extends in the waistline direction Wa, and the warming solution holding layer 121 and thus the warming sensation member 7 stretches the waist region WR. Can follow.

The liquid impermeable layer 131 is composed of a stretchable film which can be stretched in the waist direction Wa.
The adhesive portion 133 is extendable in the waist direction Wa and is made of a stretchable adhesive. Specifically, a plurality of adhesive portion portions 133p are spaced apart in the waist direction Wa. ing.

As shown in FIG. 7, when the wearer wears the shorts type sanitary napkin 1, the waistline region WR of the shorts type sanitary napkin 1 is extended in the waistline direction Wa, and then the shorts type sanitary napkin is used. When the napkin 1 is worn in a state in which the waistline region WR is extended, the openings 109 of the plurality of slit portions 107 which are non-penetrating slits expand in the waistline direction Wa, and the openings 109 extend in the waistline direction Wa. The opening area of the opening 109 is increased (see FIG. 6 above), the slit portion 107 is cleaved in the thickness direction T, the slit bottom 113 approaches the non-skin side surface 105, and finally the slit The bottom 113 reaches the non-skin side surface 105, and the slit portion 107 becomes a through slit portion.
As a result, the warm feeling solution held by the warm feeling solution holding layer 121 moves to the wearer through the openings 109 of the plurality of slit portions 107 of the warm feeling imparting layer 101 to impart a warm feeling to the wearer. it can.

When the user wears the shorts type sanitary napkin 1, the warming agent in the warming solution contained in the warming member 7 is in contact with the skin of the wearer and the warming agent is in contact with the wearer It is possible to efficiently activate the TRP channel at the contact site of the skin, and to effectively give the lower abdomen of the wearer a warm feeling which is a temperature higher than the body temperature (36 ° C.).

By giving warmth to the lower abdomen of the wearer, as a result of activating the TRP channel at the contact site on the skin of the lower abdomen of the wearer who was in contact with the warming agent, the above contact is made via the sympathetic nervous system. It is expected that heat will be generated from the site to raise the temperature of the contact area of the wearer's skin, which in turn will warm the site close to the wearer's uterus and alleviate the wearer's menstrual cramps.
In addition, it is expected that the premenstrual syndrome, coldness, menopausal disorder and the like of the wearer will be alleviated by warming the site close to the womb of the wearer.

FIGS. 8 and 9 are diagrams for explaining a shorts-type sanitary napkin 201 as an absorbent article according to another embodiment of the present disclosure (hereinafter, referred to as “second embodiment”). Hereinafter, the “shorts-type sanitary napkin as an absorbent article according to the second embodiment” may be simply referred to as the “shorts-type sanitary napkin according to the second embodiment”.
Specifically, FIG. 8 is a development view of the shorts-type sanitary napkin 201 according to the second embodiment. FIG. 9 is a partial end view at the end face of IX-IX in FIG.

The shorts-type sanitary napkin 201 according to the second embodiment has a length direction Lo, a waist direction Wa and a thickness direction (not shown) orthogonal to each other. In addition, the shorts-type sanitary napkin 201 is configured of a shorts-type sanitary napkin main body 203 including the absorber 205, and a thermal sensation member 207 disposed on the shorts-type sanitary napkin main body 203. The thermal sensation member 207 is disposed on the shorts-type sanitary napkin main body 203 so as to be disposed at a position corresponding to the lower abdomen of the wearer when the wearer wears the shorts-type sanitary napkin 201.

Shorts-type sanitary napkin main body 203 (shorts type sanitary napkin 201) along the length direction Lo, before and waist region WR _F, and crotch area C, it is partitioned into a rear waist region WR _R. Absorber 205 has a front waist region WR _F shorts type sanitary napkin main body 3, and the crotch region C, it is disposed across the rear waist region WR _R, and Yutakakan member 207, the front waist region It is arranged in WR _F.

Front waist region WR _F shorts type sanitary napkin 201, the second liquid-impermeable film and the first liquid impermeable film 209 which is disposed closer to the wearer, is disposed farther from the wearer 211 and a front waist belt member 213 disposed along the waist area WR between them. The first liquid impermeable film 209 and the second liquid impermeable film 211 are made of stretchable films that can be extended in the waist direction Wa.

Waist region WR _R after shorts type sanitary napkin 201 includes a first stretchable nonwoven fabric 217, which is disposed closer to the wearer, a second stretchable nonwoven fabric 219 positioned farther from the wearer, they Between the rear waist belt member 23 disposed along the waist area WR.

And waist region WR _F before, the rear waist region WR _R, before each of the two front mating portion 215 of the waist region WR _F is, each of the two rear junction 223 of the rear waist region WR _R As a result, the waist region WR can be formed, and the waist region WR can extend in the waist direction Wa.

The heat sensation member 207 includes a heat sensation imparting layer 301 having a skin side surface 303 and a non-skin side surface 305, a heat sensation solution holding layer 321 having a skin side surface 323 and a non-skin side surface 325, and a liquid impermeable layer contacting the clothes. 327 and, in that order. The warming sensation application layer 301 and the warming solution holding layer 321 are arranged such that the non-skin side surface 305 of the warming sensation application layer 301 and the skin side 323 of the warming solution holding layer 321 are in contact with each other. The liquid impermeable layer 327 is in contact with the non-skin side 325 of the warm solution retention layer 321.

In the shorts-type sanitary napkin 201 according to the second embodiment, the warming sensation imparting layer 301 is composed of the first liquid impermeable film portion 209p which is a part of the first liquid impermeable film 209, and the liquid The impermeable layer 327 is composed of a second liquid impermeable film portion 211 p which is a part of the second liquid impermeable film 211. An adhesive part in which the first liquid impermeable film portion 209p and the second liquid impermeable film portion 211p are composed of a stretchable adhesive with the peripheral edge thereof sandwiching the thermal sensation imparting layer 301 therebetween. It is fixed at 329. In addition, the thermal sensation imparting layer 301 is not fixed to any of the first liquid impermeable film portion 209p and the second liquid impermeable film portion 211p.

The first liquid impermeable film portion 209 p includes a plurality of slit portions 307. Each of the plurality of slit portions 307 is, as shown in FIG. 9, an opening 309 disposed in the skin side 303, a slit bottom 313 disposed between the skin side 303 and the non-skin side 305, an opening 309 and And a slit wall 311 connecting the slit bottom 313. In other words, each of the plurality of slit parts 307 constitutes a non-penetrating slit part. By doing so, when the shorts-type sanitary napkin 201 is not worn, the warming sensation solution is less likely to move from the warming sensation member 207 to the outside, for example, to the absorber 205. Further, each of the plurality of slit portions 307 is formed deeper than the plurality of slit portions 107 in the first embodiment. The other portions of the plurality of slit portions 307 are the same as the plurality of slit portions 107 in the first embodiment, and thus the description thereof is omitted.

Like the warm feeling solution holding layer 121 according to the first embodiment, the warm feeling solution holding layer 321 is made of air laid pulp but does not have a slit portion.

When the wearer wears the shorts type sanitary napkin 201, the waist area WR of the shorts type sanitary napkin 201 is extended in the waist direction Wa, and then the shorts type sanitary napkin 201 is When worn in a stretched state, the openings 309 of the plurality of slit portions 307 which are non-penetrating slits expand in the waist direction Wa, the openings 309 extend in the waist direction Wa, and the opening area of the openings 309 Becomes large, the slit portion 307 begins to tear in the thickness direction T, the slit bottom 313 approaches the non-skin side 305, and finally, the slit bottom 313 reaches the non-skin side 305 and the slit 307 penetrates It becomes a slit part.

As a result, the warm feeling solution held by the warm feeling solution holding layer 321 moves to the wearer through the openings 309 of the plurality of slit portions 307 of the warm feeling imparting layer 301 to impart a warm feeling to the wearer. it can.
In addition, although the 1st liquid impervious film part 209p which comprises the warm feeling imparting layer 301 is comprised from an elastic film in the warm feeling member 207, each of the some slit part 307 is formed deep. Therefore, when the shorts-type sanitary napkin 201 is worn, each of the plurality of slits 307 can be cleaved.

Further, the warm feeling solution holding layer 121 is made of air laid pulp, has no slit portion and does not have stretchability, but the warm feeling solution holding layer 121 has a first liquid impermeable film portion 209p. (The heat sensation imparting layer 301) and the second liquid impermeable film portion 211p (the liquid impermeable layer 327), the elasticity of the heat sensation solution holding layer 121 is the elasticity of the heat sensation member 207. Hard to affect

FIGS. 10 and 11 are views for explaining a disposable diaper 401 as an absorbent article according to still another embodiment of the present disclosure (hereinafter, referred to as “third embodiment”), and are developed views. Hereinafter, the "disposable diaper as an absorbent article according to the third embodiment" may be simply referred to as "the disposable diaper according to the third embodiment".

The disposable diaper 401 according to the third embodiment has a length direction Lo, a waist circumference direction Wa, and a thickness direction (not shown) orthogonal to each other. Moreover, the disposable diaper 401 is comprised from the disposable diaper main body 403 provided with the absorber 405, and the thermal sensation member 407 arrange | positioned at the disposable diaper main body 403. As shown in FIG. The thermal sensation member 407 is disposed on the disposable diaper 401 so as to be disposed at a position corresponding to the lower abdomen of the wearer when the wearer wears the disposable diaper 401.

Disposable diaper body 403 (disposable diaper 401) along the length direction Lo, before and waist region WR _F, and crotch area C, is partitioned into a rear waist region WR _R. Absorber 405 has a crotch region C of the disposable diaper main body 403, it is disposed over the rear waist region WR _R, and Yutakakan member 407 is disposed before the waist region WR _F.

Front nonwoven 413 front waist region WR _F is arranged on the side farther from the front stretchable nonwoven fabric 411 and the wearer disposed on the side closer to the wearer of the disposable diaper body 403 (specifically, spunbonded nonwoven fabric) And a front waist belt member 415 disposed along the waist region WR between them. The front laminate sheet is formed by laminating a front stretchable nonwoven fabric 411 and a front nonwoven fabric 413 with a hot melt adhesive interposed therebetween to form a laminate, and then subjecting the laminate to gear drawing. The front waist belt member 415 is fixed to the folded back portion of the front laminated sheet folded back with the front elastic nonwoven fabric 411 inside.

Waist region WR _R after the disposable diaper 401, the side nonwoven fabric 421 (specifically after being placed on the far side from the side stretchable nonwoven fabric 419 and the wearer after being placed on the side closer to the wearer, spunbonded nonwoven fabric And a rear waist belt member 423 disposed along the waist area WR between them. The rear laminated sheet is formed by laminating a rear elastic nonwoven fabric 419 and a rear nonwoven fabric 421 with a hot melt adhesive interposed therebetween to form a laminate and then subjecting the laminate to gear drawing. ing. The rear waist belt member 423 is fixed to a folded back portion of the rear laminated sheet which is folded back with the rear stretchable nonwoven fabric 419 inside. In addition, the front side nonwoven fabric 413 and the back side nonwoven fabric 421 are comprised integrally.

And waist region WR _F before, the rear waist region WR _R, before each of the two front mating portion 417 of the waist region WR _F is, each of the two rear junction 425 of the rear waist region WR _R As a result, the waist area WR is formed, and the waist area WR can extend in the waist direction Wa.
The structure of the disposable diaper main body 403 is known, and thus the detailed description is omitted.

The warming sensation member 407 includes a warming sensation application layer 501, a warming sensation solution holding layer (not shown) adjacent to a non-skin side surface (not shown) of the warming sensation application layer 501, and a warming sensation solution holding layer (not shown). A liquid impermeable layer (not shown) adjacent to the surface opposite to the warming sensation application layer 501 and in contact with the clothing, and fixed to the liquid impermeable layer (not shown) and liquid impermeable A pressure-sensitive adhesive portion (not shown) adhering a permeable layer (not shown) to the disposable diaper 401 is provided in that order. The thermal sensation application layer 501 includes a plurality of slit portions 507.
The structure of the thermal sensation member 407 is the same as that of the thermal sensation member 7 in the first embodiment, and thus the description thereof is omitted.

When the wearer wears the disposable diaper 401, the waist area WR of the disposable diaper 401 is extended in the waist direction Wa, and then the disposable diaper 401 is worn with the waist area WR extended. The openings 509 of the plurality of slits 507 which are non-penetrating slits expand in the waist direction Wa, the openings 509 extend in the waist direction Wa, the opening area of the openings 509 is increased, and the slits 507 It starts to tear in the thickness direction of disposable diaper 401, and slit part 507 turns into a penetration slit part.
As a result, the warm feeling solution held by the warm feeling solution holding layer (not shown) moves to the wearer through the openings 509 of the plurality of slit portions 507 of the warm feeling giving layer 501 and warms the wearer. It can be granted.

When the user wears the disposable diaper 401, the warming agent in the warming solution contained in the warming member 407 is in contact with the wearer's skin, and the warming agent is in contact with the wearer's skin The TRP channel at the contact site can be activated efficiently, and the lower abdomen of the wearer can be efficiently given a warm feeling that is higher than the body temperature (36 ° C.).

By giving warmth to the lower abdomen of the wearer, as a result of activating the TRP channel at the contact site of the skin on the lower abdomen of the wearer who was in contact with the warming agent in the warm feeling solution, the sympathetic nervous system It is expected that heat may be generated from the warming agent contact portion via the temperature sensor to raise the temperature of the contact area of the wearer's skin.

As a result, if the wearer of the disposable diaper 401 is a female, (i) excrete prostaglandins which are a factor of menstrual pain, relax muscles such as uterine muscles, and relieve menstrual pain ( ii) It is expected that blood circulation is promoted, lymph flow is promoted, waste products are eliminated, cooling property is improved, fat is burned, and (iii) immunity is improved.
If the wearer of the disposable diaper 401 is a male, (i) excrete prostaglandins, relax muscles, relieve pain, (ii) promote circulation, promote lymphatic flow, promote aging It is expected to be able to excrete substances, improve coldness, burn fat, and (iii) improve immunity.

In the warming sensation member according to the present disclosure, when the area around the waist of the absorbent article is stretched in the direction around the waist, the plurality of openings in the warming sensation application layer is a warming sensation held by the warming sensation solution holding layer. Although the thermal sensation member itself may not have extensibility or stretchability as long as it can release a solution, the thermal sensation member according to the present disclosure is extensible or stretchable in the circumferential direction. Is preferred. By doing so, when the wearer wears the absorbent article, it is difficult to feel the feeling of being drawn from the warm feeling member.

In the warming member according to the present disclosure, the warming solution includes a warming agent that activates the TRP channel, and a solvent.
The warming agent is not particularly limited as long as it activates the TRP channel, and includes an agonist for the TRPV1 receptor, an agonist for the TRPV3 receptor and the like, and is preferably an agonist for TRPV1. This is because the TRPV1 receptor has a high activation temperature threshold of over 43 ° C. and can impart a strong warmth to the wearer.

It is preferable that the said heat sensitivity agent is a compound derived from a plant from a viewpoint of a wearer's sense of security. Examples of the warming agent include capsycoside, capsaicin, capsaicinoids (dihydrocapsaicin, nordihydrocapsaicin, homodihydrocapsaicin, homocapsaicin, nonivamide etc.), capsanthin, benzyl nicotinate, β-butoxyethyl nicotinate, N-acyl Vanilamide, nonanoic acid vanillyl amide, polyhydric alcohol, chili pepper powder, chili pepper tincture, chili pepper extract, nonanoic acid vanillyl ether, vanillyl alcohol alkyl ether derivative (eg, vanillyl ethyl ether, vanillyl butyl ether, vanillyl pentyl ether, Vanillyl hexyl ether), isovanillyl alcohol alkyl ether, ethyl vanillyl alcohol alkyl ether, veratial alcohol derivative, substituted benzyl alcohol derivative , Substituted benzyl alcohol alkyl ethers, vanillin propylene glycol acetal, ethyl vanillin propylene glycol acetal, ginger extract, ginger oil, gingerol, zingerone, hesperidin, and pyrrolidone carboxylic acid, as well as any combination thereof.

The warming agent is preferably not capsaicin from the viewpoint that the wearer hardly remembers pain, weakness and the like, and vanillyl alcohol alkyl ether derivative (eg vanillyl ethyl ether, vanillyl butyl ether, vanillyl pentyl) Ether, vanillyl hexyl ether ginger extract, ginger oil, gingerol, and zingerone, and any combination thereof are more preferred.

The solvent is not particularly limited as long as it can contain the warming agent, and examples thereof include lipophilic solvents and hydrophilic solvents. The solvent can dissolve, disperse, etc. the warming agent, for example.
Examples of the lipophilic solvent include fats and oils, for example, natural oils (for example, fatty acid esters such as triglyceride, coconut oil, linseed oil and the like), hydrocarbons (for example, paraffin, for example liquid paraffin) and the like.

Water and alcohol are mentioned as said hydrophilic solvent. Examples of the alcohol include lower alcohols such as methanol, ethanol, ethylene glycol and glycerin, and higher alcohols such as capryl alcohol, lauryl alcohol and myristyl alcohol.

The solvent is preferably a fat and oil (a lipophilic solvent) or an alcohol (a hydrophilic solvent) from the viewpoint of easily controlling the volatility and particularly reducing the volatility. Moreover, it is preferable that the said solvent is a lipophilic solvent from a viewpoint which the warm feeling solution which has moved from the warm feeling member at the time of wear of an absorbent article can not inhibit the absorbability of an absorbent article easily.

The amount of the warming agent contained in the warming solution varies depending on the type of the warming agent, but generally, the warming solution preferably contains the warming agent, preferably 0.0001 to 5.0. % By weight, more preferably 0.0005 to 3.0% by weight, still more preferably 0.1 to 1.0% by weight, and still more preferably 0.3 to 0.7% by weight. It is from the viewpoint of warmth effect.

In the thermal sensation member according to the present disclosure, the above-mentioned thermal sensation solution is, besides the above-mentioned thermal sensation agent and solvent, at least one other, as shown below, as long as the thermal sensation action to the wearer is not inhibited. And the components of

The at least one other component includes a cooling agent, for example, one that activates TRP channels, and the cooling agent includes, for example, an agonist for TRPM8 receptor, an agonist for TRPA1 receptor, etc. , And preferably are agonists for the TRPM8 receptor.

Examples of the cooling agent include menthol (eg, l-menthol) and derivatives thereof (eg, menthyl lactate, menthyl glyceryl ether such as l-menthyl glyceryl ether), methyl salicylate, camphor, plants (eg, mint, Eucalyptus) -derived essential oils and the like.

The inventor of the present invention adds a warming sensation solution to the warming sensation solution when the warming sensation is given to the wearer by including the above-mentioned cooling sensation agent until the wearer feels the desired temperature. It has been found that it is difficult to remember itching at the contact site in contact with the warm feeling solution and the periphery thereof at the warm feeling sensing time which is the time of.

In the above case, the warming solution preferably contains a cooling agent in an amount of 0.0001 to 5.0% by mass, more preferably 0.0005 to 3.0% by mass, and still more preferably 0.1 to 1. It contains 0% by weight, and even more preferably 0.3 to 0.7% by weight. This is from the viewpoint of making it difficult for the wearer to feel itching during the warm-feeling sensing time and to feel the excessive cool sensation.

In the above case, the warming solution preferably comprises the warming and cooling agents, preferably 20: 1 to 1:10, more preferably 10: 1 to 1: 5, and still more preferably 2: 1. Including in a mass ratio of 1: 1. It is from the viewpoint that it is hard for the wearer to feel itching during the warm feeling sensing time, and it is difficult to feel the cold feeling and the warm feeling.

The at least one other component includes a coolant, for example, a coolant that lowers the ambient temperature by heat of vaporization, and the coolant includes, for example, alcohols such as methanol and ethanol.

Examples of the at least one other component include silicone oil, silicone, silicone resin, and the like.
Examples of the at least one other component include an antioxidant such as BHT (2,6-di-t-butyl-p-cresol), BHA (butylated hydroxyanisole), propyl gallate and the like. Be

The at least one other ingredient may include, for example, vitamins, such as natural or synthetic vitamins. Examples of the above-mentioned vitamins include water-soluble vitamins such as vitamin B group, for example, vitamin B ₁ , vitamin B ₂ , vitamin B ₃ , vitamin B ₅ , vitamin B ₆ , vitamin B ₇ , vitamin B ₉ and vitamin B ₁₂ Etc., vitamin C is mentioned.
Examples of the vitamin include fat-soluble vitamins such as vitamin A group, vitamin D group, vitamin E group, and vitamin K group.
The above vitamins also include their derivatives.

The at least one other component includes, for example, amino acids such as alanine, arginine, lysine, histidine, proline, hydroxyproline and the like, as well as peptides.

The at least one other component includes, for example, zeolites, such as natural zeolites, such as, for example, zeolite, chabazite, chabazite, fluorite, natrolite, ocholite and somsonite, and synthetic zeolite.
Examples of the at least one other component include cholesterol, hyaluronic acid, lecithin, ceramide, placenta, collagen, elastin, squalane, vaseline, trehalose and the like.

In addition, as the at least one other component, for example, a drug such as a skin astringent agent, an anti-acne agent, an anti-wrinkle agent, an anti-cellulite agent, a whitening agent, an antibacterial agent, an antifungal agent and the like can be mentioned.
Examples of the skin astringent agent include oil-soluble skin astringent agents such as zinc oxide, aluminum sulfate, tannic acid and the like, for example, oil-soluble polyphenols. As the oil-soluble polyphenols mentioned above, natural oil-soluble polyphenols, such as, for example, ginseng extract, hyperglossia extract, prickly pear extract, kamomira extract, burdock extract, salvia extract, linden extract, bromeliad extract, birch extract, sugina extract, sage extract, salvia extract And tea extract extract, hibiscus extract, loquat leaf extract, body oil extract, hop extract, marronier extract, yokinin extract and the like.

Examples of the anti-acne agent include salicylic acid, benzoyl peroxide, resorcinol, sulfur, erythromycin, zinc and the like.
Examples of the above-mentioned anti-wrinkle agent include lactic acid, salicylic acid, salicylic acid derivatives, glycolic acid, phytic acid, lipoic acid and lysophosphatidic acid.

Examples of the anti-cellulite agent include xanthine compounds such as aminophylline, caffeine, theophylline, theobromine and the like.
Examples of the above-mentioned whitening agent include niacinamide, kojic acid, arbutin, glucosamine and derivatives, phytosterol derivatives, ascorbic acid and its derivatives, and mulberry extract and placenta extract.

Further, as the at least one other component, for example, an anti-inflammatory component, a pH adjuster, an antibacterial agent, a moisturizer, a fragrance, a pigment, a dye, a pigment, a plant extract and the like can be mentioned. Examples of the anti-inflammatory component include naturally-occurring anti-inflammatory agents such as, for example, button, gogon, hyperglossia, chamomile, licorice, pokeweed, mugwort, perilla extract etc Be
Examples of the pH adjusters include those for keeping the skin weakly acidic, such as malic acid, succinic acid, citric acid, tartaric acid, lactic acid and the like.
Examples of the pigment include titanium oxide.

It is preferable that the warming sensation member according to the present disclosure, in particular, the warming sensation solution does not contain a heat generating agent. By doing so, the wearer is less likely to burn at low temperatures. In addition, since the thermal sensation member itself does not generate heat, when the thermal sensation member is fixed to the absorbent article main body with an adhesive or the like, the adhesive portion is hardly softened, and the thermal sensation member is worn when the absorbent article is worn However, it is difficult to drop out of the absorbent article body.

The heat generating agent is not particularly limited as long as the heat generating agent itself generates heat, and, for example, heat of oxidation of metal powder (for example, iron powder), heat of neutralization of acid and alkali, heat of hydration of inorganic salt And others that use chemical energy.

In the warming sensation member according to the present disclosure, the warming sensation imparting layer is liquid impermeable from the viewpoint that the warming sensation solution held by the warming sensation solution holding layer is unlikely to leak out of the warming sensation member when the absorbent article is not worn. It is preferable to be composed of a metallic film. As the liquid impermeable film, those used as a back sheet can be adopted without particular limitation in the technical field of absorbent articles, and examples thereof include polyolefin sheets, such as polyethylene sheets, polypropylene sheets, etc. Be

When the warming solution held by the warming solution holding layer contains a highly volatile one, for example, a highly volatile solvent and / or a highly volatile warming agent, the warming layer is airtight. May be included. As a thermal sensation imparting layer having airtightness, a laminated film of an airtight film and the above-mentioned liquid impermeable film can be mentioned. As the airtight film, for example, ethylene vinyl alcohol copolymer, vinylidene chloride based polymer such as vinylidene chloride methyl acrylate copolymer, polyvinyl alcohol, nylon such as nylon 6, aluminum foil, base film (polyethylene terephthalate etc.) What alumina, a silica, etc. were vapor-deposited is mentioned.

The above-mentioned thermal sensation-imparting layer is a laminated sheet of a fabric (for example, non-woven fabric such as spunbond or spunlace) disposed on the skin side and a liquid-permeable film described above in order to improve the feel of the wearer It is also good. As said fabric, the thing equivalent to the fabric mentioned by the location of a warm feeling solution holding layer is mentioned.

The above-mentioned thermal sensation imparting layer is capable of releasing the thermal sensation solution when the region around the waist of the absorbent article extends in the direction around the waist and when the thermal sensation member extends in the direction around the waist The opening of the Each of the plurality of openings may penetrate from the skin side surface to the non-skin side surface of the thermal sensation imparting layer in the thickness direction of the thermal sensation member. From the viewpoint of hardly leaking the warm feeling solution held by the warm feeling solution holding layer to the outside of the warm feeling member when the absorbent article is not worn, each of the plurality of opening portions has a thickness direction of the warm feeling member It is preferable that the skin does not penetrate from the skin side to the non-skin side of the thermal sensation giving layer, that is, it is a non-penetrating aperture.

The non-penetrating opening portion may be arranged so as not to reach the non-skin side of the warming feeling layer from the skin side of the warming layer, or the non-skin side of the warming layer. What is arrange | positioned so that it may not reach to the skin side of a thermal sensation imparting layer as a starting point is mentioned.

The depth of the non-penetrating opening may vary depending on the extensibility of the area around the waist of the absorbent article, the extensibility of the thermal sensation imparting layer, the fracture property of the material constituting the thermal sensation imparting layer, etc. The depth of the openings is preferably 90% or less, more preferably 70% or less, and still more preferably 50% or less, based on the thickness of the warming layer. Further, the depth of the non-penetrating pores is preferably 10% or more, more preferably 20% or more, and still more preferably 30% or more of the thickness of the heat-sensitive layer. By doing so, when the absorbent article is not worn, the warm feeling solution can be kept from moving from the warm feeling imparting layer to the outside of the warm feeling member, in a state hard to volatilize, etc. and wearing of the absorbent article At times, it is possible to release from the warming sensation imparting layer the warming sensation agent which the warming sensation holding solution holds.

Each of the plurality of openings preferably extends in a direction intersecting the waist direction in the plane direction of the thermal sensation member, and extends in a direction perpendicular to the waist direction, that is, in the height direction Is more preferred. By doing so, when the thermal sensation member extends in the circumferential direction, the area of each opening of the plurality of openings increases, and the thermal sensation solution held by the thermal sensation solution holding layer moves to the wearer It becomes easy to do.

In the plurality of openings, the two adjacent openings in the circumferential direction of the trunk overlap in the circumferential direction of the trunk so that a portion thereof overlaps, but the remaining portions thereof do not overlap. It is preferable to arrange | position intermittently. By doing so, when the absorbent article is not worn, the warming sensation solution can be kept from moving from the warming sensation member to the outside of the warming sensation member in a hard-to-volatilize state, and at the time of wearing the absorbent article The thermal sensation imparting layer itself is excellent in stretchability in the direction around the waist.

In the warming sensation member according to the present disclosure, the warming sensation solution retaining layer is not particularly limited as long as it can retain the warming sensation solution, but is composed of a fabric, for example, a non-woven fabric, a woven fabric, or a knitted fabric. It is preferable that the said fabric is a nonwoven fabric from a viewpoint of the ease of manufacture.
Examples of the non-woven fabric include air-laid pulp, air-through non-woven fabric, spun-bonded non-woven fabric, point-bonded non-woven fabric, spun-laced non-woven fabric, needle-punched non-woven fabric, melt-blown non-woven fabric, and combinations thereof (for example, SMS etc.).

As a fiber which comprises the said fabric, a natural fiber, a synthetic fiber, and a semi-synthetic fiber are mentioned, for example. The natural fibers include pulp fibers and regenerated cellulose fibers.
As the above-mentioned regenerated cellulose fiber, rayon fiber, for example, viscose rayon obtained from viscose, polynozic and modal, copper ammonia rayon fiber obtained from copper ammonia salt solution of cellulose (also referred to as "cupra"); organic compound And lyocell and tencel which are obtained by an organic solvent spinning method using an organic solvent which is a mixed solution of water and water and which does not pass through a cellulose derivative.
The semi-synthetic fibers include semi-synthetic cellulose fibers such as acetate fibers such as triacetate fibers and diacetate fibers.

Examples of the above synthetic fibers include heat fusible fibers such as polyolefin polymers such as polyethylene or polypropylene; polyester polymers such as terephthalate polymers such as polyethylene terephthalate (PET), polybutylene terephthalate and polypentene. Polyamide-based polymers, for example, nylon 6 or nylon 6, 6; acrylic polymers; polyacrylonitrile-based polymers; or modified products thereof, or fibers formed from combinations thereof or the like.

In the thermal sensation member according to the present disclosure, the fabric constituting the thermal sensation solution holding layer can have hydrophilicity or lipophilicity. A fabric having hydrophilicity is treated by treating the fabric or a material (fiber, raw material of the fiber, etc.) constituting the fabric with a hydrophilizing agent known in the art (for example, applying a hydrophilizing agent, hydrophilizing Can be formed by kneading the agent). Examples of the above-mentioned hydrophilizing agent include alkyl phosphate ester salts, alkyl phosphate metal salts and the like. Moreover, as the above-mentioned hydrophilizing agent, for example, a mixture of an alkyl phosphate ester salt having 10 to 30 carbon atoms, a betaine compound having 10 to 30 carbon atoms, a sulfate ester salt or a sulfonate salt, an alkyl phosphate ester salt and a poly A mixture with ether modified silicone etc. are mentioned.
The degree of hydrophilization of the fabric can be adjusted by the type, concentration, amount and the like of the above-mentioned hydrophilizing agent.

As the fabric having lipophilicity, the fabric itself or a material (fiber, raw material of the fiber, etc.) constituting the fabric is treated with a lipophilic agent known in the art (eg, coated with a lipophilic agent) Can be formed by kneading a lipophilic agent). As the above-mentioned lipophilic agent, fatty acid ester (for example, triglyceride), hydrocarbon (for example, linear hydrocarbon) is mentioned.
The degree of lipophilicity of the fabric can be adjusted by the type, concentration, amount, etc. of the above-mentioned lipophilic agent.

In the warming sensation member according to the present disclosure, the warming sensation solution holding layer may not have the stretchability in the circumferential direction of the waist, and may have the stretchability in the circumferential direction of the waist.
The above-mentioned fabric is mentioned as a warm feeling solution holding layer which does not have the extensibility in the direction around the waist. It is preferable that the warming solution holding layer having no extensibility in the waist direction is not joined to the warming layer and the liquid impermeable layer at two or more places separated in the waist direction. When the warming sensation imparting layer and the liquid impermeable layer extend in the circumferential direction, the warm feeling solution holding layer may inhibit the warming sensation layer and the liquid impermeable layer from extending in the circumferential direction. It is because there is.

From this point of view, the warming solution holding layer that does not have extensibility around the waist is bonded to one or both of the warming layer and the liquid impermeable layer at a single place, or It is preferred not to be bonded to both the sensitivity-imparting layer and the liquid-impermeable layer. Also, from the above point of view, when the warming solution holding layer having no extensibility in the waist direction is joined to both the warming layer and the liquid impermeable layer at a single place. It is preferable that the bonding portion to the thermal sensation imparting layer and the bonding portion to the liquid impermeable layer overlap in the thickness direction of the thermal sensation member.

As a warm feeling solution holding layer having extensibility in the direction around the waist, a stretchable fabric such as a stretchable non-woven fabric can be mentioned. Moreover, as a warm feeling solution holding | maintenance layer which has the extensibility to the waist circumference direction, the cloth provided with several penetration slit parts is mentioned.

Each of the plurality of through slit portions preferably extends in a direction intersecting the waist direction, and more preferably extends in a direction perpendicular to the waist direction, that is, in the height direction. By doing so, when the thermal sensation member extends in the circumferential direction, the area of the openings of the plurality of through slit portions is increased, and the thermal sensation solution holding member can thereby extend in the circumferential direction. .

In the plurality of through slit portions, two adjacent through slit portions adjacent in the circumferential direction of the trunk overlap in the circumferential direction of the trunk such that a portion thereof overlaps, but the remaining portions thereof do not overlap. It is preferable to arrange | position intermittently. By doing so, when the absorbent article is worn, the warm feeling solution holding member itself is excellent in stretchability in the waist direction.

In the thermal sensation member according to the present disclosure, the thermal sensation solution holding layer preferably has a thickness of 30 g / cm ^{2 at} a load of 3 g / cm ² , preferably 70% or less, more preferably 60%. Or less, and more preferably 50% or less. By doing so, when body pressure or the like is applied to the warm feeling member, the warm feeling solution holding layer is easily crushed, and a plurality of open feeling provision layers are provided with the warm feeling solution which the warm feeling solution holding layer holds. It becomes easy to move to the wearer's skin through the hole.

In the thermal sensation member according to the present disclosure, the thermal sensation solution holding layer preferably has a thickness of 10 g / cm ^{2 at} a load of 3 g / cm ² , preferably 70% or more, more preferably 80%. Above, and more preferably 90% or more. By doing so, it becomes difficult for the warm feeling solution holding layer to be excessively crushed under application pressure such as clothing.

Herein, the thicknesses at 30 g / cm ² , 10 g / cm ² and 3 g / cm ² load are measured as follows.
(1) Temperature: 20 ± 5 ° C. and humidity: 65 ± 5% RH, prepare FS-60 DS manufactured by Daiei Kagaku Seiki Mfg. Co., Ltd. Let stand (hereinafter referred to as "sample") for 24 hours.
(2) The thickness of the sample is measured at 10 points at different places, and their average value is adopted as the thickness of the sample.
The load is adjusted by changing the measuring element. A load of 3 g / cm ² uses a probe with a diameter of 44 mm, a load of 10 g / cm ² uses a probe with a diameter of 25 mm, and a load of 30 g / cm ² a diameter of : Use a 14 mm probe.

The warm solution holding layer preferably has a basis weight of 10 to 100 g / m ² , and more preferably 20 to 50 g / m ² .

In the thermal sensation member according to the present disclosure, the liquid impermeable layer is not particularly limited as long as it can be stretched in the waist direction and does not transmit the warm sensation solution, and, for example, a stretchable film (for example, polyurethane) Film), a laminate sheet of the stretchable film and another film (for example, a laminate sheet in which a stretched stretchable film is attached to another film), a gear stretched product of the laminate sheet, and the like.
As said elastic film, 3M company XME99107 Blue Flute Elastic is mentioned, for example.

When the warming solution held by the warming solution holding layer contains a highly volatile one, for example, a highly volatile solvent and / or a highly volatile warming agent, the liquid impermeable layer is airtight. You may have sex. Examples of the liquid-impermeable layer having airtightness include laminated films of an airtight film and the above-described stretchable film (for example, a laminated sheet in which an expanded stretchable film is attached to the airtight film). As said airtight film, what is mentioned by the location of the thermal sensation imparting layer is mentioned.

In the warming sensation member according to the present disclosure, it is preferable that the liquid impermeable layer does not have moisture permeability. By doing so, moisture, water vapor and the like present in the skin of the wearer are less likely to be discharged out of the warming member through the liquid impermeable layer, and the stratum corneum of the skin of the wearer swelled mainly It is easy to maintain the state, and the warming solution is likely to reach TRP channels mainly present in keratinocytes (keratinocytes). As a result, the thermal sensation sensing time is shortened, and it becomes difficult for the wearer to feel itching during the thermal sensation sensing time.
The liquid impermeable layer preferably has a basis weight of 10 to 50 g / m ² , and more preferably 15 to 30 g / m ² .

In the warm feeling member according to the present disclosure, the warm feeling solution holding layer, or the warm feeling imparting layer composed of the above-mentioned laminated sheet comprises an exothermic fiber, a heat insulating fiber and a hygroscopic fiber, and any combination thereof. It can include fibers selected from the group (hereinafter sometimes simply referred to as "functional fibers").

When the warm feeling solution holding layer or the warm feeling imparting layer composed of the above-mentioned laminated sheet contains the above-mentioned predetermined functional fiber, the moisture of the wearer due to transpiration, sweat, etc. mainly causes the wearer's skin to The stratum corneum tends to swell, and the warming solution tends to reach TRP channels mainly present in keratinocytes (keratinocytes). As a result, the warm feeling sensing time is shortened, and it becomes difficult for the wearer to feel itching during the warm feeling sensing time.

Examples of the heat generating fiber include (i) hygroscopic heat generating fiber, (ii) heat storage fiber, and (iii) far infrared ray emitting fiber.

Examples of the hygroscopic heat-producing fibers include acrylate fibers, wool and the like. As said thermal storage fiber, the fiber containing the substance (zirconium carbide etc.) which absorbs sunlight, and converts it into thermal energy, the fiber containing carbon, etc. are mentioned, for example. As said far-infrared radiation | emission fiber, the fiber containing the ceramic which radiates | emits far-infrared when heated, for example is mentioned.
As said heat insulation fiber, a hollow fiber, feathers, etc. are mentioned.
As said hygroscopic fiber, the above-mentioned natural fiber, semi-synthetic fiber, etc. are mentioned.

Specifically, in the case of the thermal sensation member according to the present disclosure, when the thermal sensation solution holding layer or the thermal sensation imparting layer formed of the above-mentioned laminated sheet contains hygroscopic fibers, it is preferable to use the skin from the wearer's skin. When moisture such as transpiration or sweat is provided, the hygroscopic fibers heat up and the wearer is likely to sweat. Then, the moisture of the wearer's sweat causes the stratum corneum of the wearer's skin to swell mainly, and the warming solution is likely to reach TRP channels mainly present in keratinocytes (keratinocytes). As a result, the thermal sensation sensing time is shortened, and it becomes difficult for the wearer to feel itching during the thermal sensation sensing time.

In addition, even when the warm feeling solution holding layer or the warm feeling imparting layer composed of the above-mentioned laminated sheet contains heat storage fibers or far infrared radiation fibers, the wearer is likely to sweat and the sweat of the wearer is The moisture causes the stratum corneum of the wearer's skin to swell mainly, and the warming solution is likely to reach TRP channels mainly present in keratinocytes (keratinocytes). As a result, the thermal sensation sensing time is shortened, and it becomes difficult for the wearer to feel itching during the thermal sensation sensing time.

In the thermal sensation member according to the present disclosure, when the thermal sensation solution holding layer or the thermal sensation giving layer composed of the above-mentioned laminated sheet contains a heat insulating fiber, the wearer is likely to sweat, and the wearer's The moisture of the sweat causes the stratum corneum of the wearer's skin to swell mainly, and the warming solution is likely to reach TRP channels mainly present in keratinocytes (keratinocytes). As a result, the warm feeling sensing time is shortened, and it becomes difficult for the wearer to feel itching during the warm feeling sensing time.

In the warm feeling member according to the present disclosure, when the warm feeling solution holding layer or the warm feeling imparting layer formed of the above-mentioned laminated sheet contains a hygroscopic fiber, the hygroscopic fiber is a person's transpiration, sweat, etc. As a result, it is easy to retain the moisture of the skin and to swell mainly the stratum corneum of the wearer's skin, and the warming solution becomes easy to reach TRP channels mainly present in keratinocytes (keratinocytes). As a result, the thermal sensation sensing time is shortened, and it becomes difficult for the wearer to feel itching during the thermal sensation sensing time.

The warming sensation member according to the present disclosure can include an additional member, for example, an auxiliary sheet or the like, between the warming sensation providing layer and the warming sensation solution holding layer.
As a material of the said auxiliary sheet, what is enumerated as a fabric which comprises a warm feeling solution holding layer is mentioned.

The thermal sensation member according to the present disclosure can include an adhesive portion that fixes the thermal sensation member to the absorbent article, and as the adhesive that can form the adhesive portion, a hot melt adhesive, for example, styrene -Mainly rubber-based such as ethylene-butadiene-styrene (SEBS), styrene-butadiene-styrene (SBS), styrene-isoprene-styrene (SIS) or olefin based such as linear low density polyethylene Pressure sensitive adhesive or heat sensitive adhesive; water sensitive adhesive comprising a water soluble polymer (eg, polyvinyl alcohol, carboxymethyl cellulose, gelatin etc.) or a water-swellable polymer (eg polyvinyl acetate, sodium polyacrylate etc.) Agents and the like.

The pressure-sensitive adhesive portion and the pressure-sensitive adhesive capable of forming the pressure-sensitive adhesive portion preferably have extensibility or stretchability, and examples of the stretchable or stretchable pressure-sensitive adhesive include JM-5332 manufactured by Fuller. Be

In addition, the above-mentioned adhesive part may be, for example, (i) dot-like, intermittently used as a non-stretchable hot melt adhesive, which is generally used in the technical field, on the liquid impermeable layer of the warming sensation member. An adhesive part, (ii) a dot-like adhesive part intermittently arranged in the length direction, or (iii) a linear adhesive part extending in the length direction, arranged intermittently in the waist direction It may be.
The adhesion part and the pressure-sensitive adhesive may be formed by bonding of materials constituting the thermal sensation member, for example, bonding of a thermal sensation imparting layer and a liquid impermeable layer (for example, round seal), a thermal sensation imparting layer of a thermal sensation solution holding layer It can also be used for bonding liquid impermeable layers and / or the like.

The absorbent article of the present disclosure is preferably packaged in a packaging sheet before being used, for example, preferably individually packaged, but the warming solution retained by the warming solution holding layer is a warming sensation member. Since it is held by the thermal sensation-imparting layer and the liquid-impermeable layer, it may not be packaged with an airtight packaging sheet.

Examples of the material of the packaging sheet include polyolefin polymers such as polyethylene and polypropylene. The packaging sheet may include an airtight layer from the viewpoint of enhancing the airtightness of the individual package, and as a material of the airtight layer, for example, ethylene vinyl alcohol copolymer, vinylidene chloride based polymer, for example, vinylidene chloride methyl ester An acrylate copolymer, polyvinyl alcohol, nylon, for example, nylon 6, aluminum foil, a substrate film (polyethylene terephthalate etc.) on which alumina, silica and the like are vapor-deposited can be mentioned.

The absorbent article of the present disclosure is not particularly limited as long as it has a waist region and includes an absorbent, and examples thereof include a shorts-type sanitary napkin, a disposable diaper, and the like.

<Use of the thermal sensation member and the thermal sensation member attached to the absorbent article>
The present disclosure also relates to a warming sensation member used by being attached to an absorbent article, and use of the warming sensation member by being attached to an absorbent article.
About the composition of a warm feeling member and an absorptive article, since it explains by the part of "the absorptive article", explanation here is omitted.
The area of the absorbent article to which the thermal sensation member is to be attached is not particularly limited as long as the absorbent article is an area which expands when worn and compared with when not worn, and is applied to any area of the absorbent article sell.
The area of the absorbent article to which the heat-sensitive member is to be applied is preferably the waist area of the absorbent article having a waist area which can extend in the waist direction. The waist area has a high degree of elongation when worn, as compared to when not worn, so the plurality of openings in the warming sensation layer of the warming sensation member can easily release the warming solution.

First Embodiment
DESCRIPTION OF SYMBOLS 1 shorts type sanitary napkin 3 shorts type sanitary napkin main body 5 absorption body 7 thermal sensation member 11 front elastic nonwoven fabric 13 front nonwoven fabric 15 front waist belt member 17 front joint 19 rear elastic nonwoven fabric 21 rear nonwoven fabric 23 rear side Waist belt member 25 back joint portion 101 thermal sensation imparting layer 103 skin side surface 105 non-skin side surface 107 slit portion 109 opening 111 slit wall 113 slit bottom 121 warm feeling solution holding layer 123 skin side surface 125 non-skin side surface 127 penetrating slit portion 131 fluid Impermeable layer 133 adhesive part 133p adhesive part Wa waist direction Lo length direction T thickness direction WR waist area WR _F front waist area WR _R back waist area C crotch area

Claims

Absorbent comprising a region around a waist which is extendable in a direction around a waist, an absorbent body, and a thermal sensation member which is disposed in the region around the waist so as to be extendable in a direction around the waist and which gives a warm feeling to a wearer Sexual goods,
The warm feeling member comprises a warm feeling imparting layer, a liquid impermeable layer, and a warm feeling solution holding layer disposed between them, the warm feeling solution containing a warm feeling solution,
The warming solution comprises a warming agent that activates TRP channels, and a solvent,
The warming sensation layer includes a plurality of openings capable of releasing the warming solution when the area around the waist is extended in the direction around the waist.
The absorbent article characterized in that.
The absorbent article according to claim 1, wherein the thermal sensation imparting layer is composed of a liquid impermeable film, and each of the plurality of openings extends in a direction intersecting with the waist direction. .
The thermal sensation application layer includes a skin side surface and a non-skin side surface facing the skin side surface, and each of the plurality of openings in the thickness direction of the thermal sensation member is the skin side surface. The absorbent article according to claim 2, wherein the absorbent article is disposed so as not to reach a non-skin side, or is disposed so as not to reach the skin side from the non-skin side.
Each of the plurality of apertures is a non-penetrating slit, and the plurality of apertures are such that two apertures adjacent in the waist direction partially overlap in the waist direction. The absorbent article according to claim 3, wherein the absorbent article is intermittently arranged in the circumferential direction.
The absorbent article according to any one of claims 1 to 4, wherein the warm feeling solution holding layer comprises a plurality of through slit portions which are made of a fabric and which extend in a direction intersecting with the waist direction. .
The absorbent article according to claim 5, wherein the plurality of through slit portions are intermittently arranged in the circumferential direction so that adjacent two through slit portions partially overlap in the circumferential direction. .
The absorbent article according to any one of claims 1 to 6, wherein the liquid impermeable layer is a stretchable film which can be stretched in the direction around the waist.
The thickness retention ratio, which is the ratio of the thickness under a load of 30 g / cm 2 to the thickness under a load of 3 g / cm 2 , of the warm feeling solution-retaining layer is 70% or less. An absorbent article according to any one of the preceding claims.
The absorbent article according to any one of claims 1 to 8, wherein the warming agent is an agonist for TRPV1 receptor.
The absorbent article according to any one of claims 1 to 9, wherein the solvent is a lipophilic solvent.
The absorbent article according to any one of claims 1 to 10, wherein the absorbent article does not contain a heat generating agent.
The absorbent article according to any one of the preceding claims, wherein the absorbent article is selected from the group consisting of a shorts-type sanitary napkin and a disposable diaper.
A warm feeling member which is used by being attached to an absorbent article and which gives a warm feeling to a wearer,
The thermal sensation member is fixed to a thermal sensation application layer, a liquid impermeable layer, a thermal sensation solution holding layer containing a thermal sensation solution, disposed between them, and the liquid impermeable layer An adhesive unit for attaching the heat sensation member to the absorbent article,
The warming solution comprises a warming agent that activates TRP channels, and a solvent,
The warming sensation application layer includes a plurality of openings capable of releasing the warming solution when stretched in a predetermined direction.
The warm feeling member.
The thermal sensation member has a region around the waist that can extend in the direction of the waist, and is used by being attached to the region around the waist of an absorbent article provided with an absorbent body, and the predetermined direction is the region around the waist The thermal sensation member according to claim 13, which is a direction.
It is use by sticking to an absorbent article of the warm feeling member which gives a warm feeling to a wearer,
The thermal sensation member is fixed to a thermal sensation application layer, a liquid impermeable layer, a thermal sensation solution holding layer containing a thermal sensation solution, disposed between them, and the liquid impermeable layer An adhesive unit for attaching the heat sensation member to the absorbent article,
The warming solution comprises a warming agent that activates TRP channels, and a solvent,
The warming sensation application layer includes a plurality of openings capable of releasing the warming solution when stretched in a predetermined direction.
Said use.