JP2021185974A - Absorbent article - Google Patents
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- JP2021185974A JP2021185974A JP2020090934A JP2020090934A JP2021185974A JP 2021185974 A JP2021185974 A JP 2021185974A JP 2020090934 A JP2020090934 A JP 2020090934A JP 2020090934 A JP2020090934 A JP 2020090934A JP 2021185974 A JP2021185974 A JP 2021185974A
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- 239000002250 absorbent Substances 0.000 title claims abstract description 29
- 230000002745 absorbent Effects 0.000 title claims abstract description 28
- 239000000463 material Substances 0.000 claims abstract description 47
- 238000009423 ventilation Methods 0.000 claims abstract description 27
- 239000000126 substance Substances 0.000 claims abstract description 3
- 238000001179 sorption measurement Methods 0.000 claims description 19
- 239000003463 adsorbent Substances 0.000 claims description 17
- 239000006096 absorbing agent Substances 0.000 claims description 11
- 238000005273 aeration Methods 0.000 claims description 9
- 238000013022 venting Methods 0.000 claims 2
- 238000004332 deodorization Methods 0.000 abstract description 2
- 230000000274 adsorptive effect Effects 0.000 abstract 10
- 230000002265 prevention Effects 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- -1 polyethylene Polymers 0.000 description 7
- 239000004745 nonwoven fabric Substances 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 3
- 239000002781 deodorant agent Substances 0.000 description 3
- 230000001877 deodorizing effect Effects 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 229910021536 Zeolite Inorganic materials 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 229910052783 alkali metal Inorganic materials 0.000 description 2
- 150000001340 alkali metals Chemical class 0.000 description 2
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 2
- 150000001342 alkaline earth metals Chemical class 0.000 description 2
- QVQLCTNNEUAWMS-UHFFFAOYSA-N barium oxide Chemical compound [Ba]=O QVQLCTNNEUAWMS-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 239000010457 zeolite Substances 0.000 description 2
- 206010021639 Incontinence Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- RQPZNWPYLFFXCP-UHFFFAOYSA-L barium dihydroxide Chemical compound [OH-].[OH-].[Ba+2] RQPZNWPYLFFXCP-UHFFFAOYSA-L 0.000 description 1
- 229910001863 barium hydroxide Inorganic materials 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- 210000003756 cervix mucus Anatomy 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- FUJCRWPEOMXPAD-UHFFFAOYSA-N lithium oxide Chemical compound [Li+].[Li+].[O-2] FUJCRWPEOMXPAD-UHFFFAOYSA-N 0.000 description 1
- 229910001947 lithium oxide Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002175 menstrual effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920005672 polyolefin resin Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 206010046901 vaginal discharge Diseases 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
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- Absorbent Articles And Supports Therefor (AREA)
Abstract
Description
本発明は、吸収性物品に関する。 The present invention relates to an absorbent article.
特許文献１には、透液性の表面シートと裏面シートとの間に吸収体が介在された吸収性物品において、裏面シートが通気性を有するとともに、裏面シートの吸収体側の面には、粉体状の消臭剤が塗装部と非塗装部とが混在したパターンで塗布されている吸収性物品が開示されている。 In Patent Document 1, in an absorbent article in which an absorber is interposed between a liquid-permeable front surface sheet and a back surface sheet, the back surface sheet has breathability, and the surface of the back surface sheet on the absorber side is powdered. An absorbent article is disclosed in which a body-like deodorant is applied in a pattern in which a coated portion and a non-painted portion are mixed.
特許文献１では、粉体状の消臭剤により消臭がなされる。しかしながら、吸収体物品は人体に接して用いられ、人体からの水分を吸収するものであるから、吸収性物品付近の空気中の湿度は高くなる。吸収性物品の消臭剤は、吸収体内外の空気中の水分が吸着することにより失活し、消臭機能が低下する場合がある。 In Patent Document 1, deodorization is performed by a powdery deodorant. However, since the absorbent article is used in contact with the human body and absorbs moisture from the human body, the humidity in the air near the absorbent article becomes high. The deodorant of an absorbent article may be deactivated by the adsorption of moisture in the air inside and outside the absorption body, and the deodorizing function may be deteriorated.
本発明は、これらのような従来の問題を解決するためになされたもので、消臭機能の低下を防ぐことが可能な吸収性物品を提供することを目的とする。 The present invention has been made to solve the conventional problems such as these, and an object of the present invention is to provide an absorbent article capable of preventing deterioration of the deodorizing function.
本発明は、表面材と防漏材との間に配置された吸収体部と、吸収体部と防漏材との間に配置された吸着部と、を有する吸収性物品であって、吸着部は、気体中の水分を吸着するための水分吸着材と、吸着部の外部に通じた第１通気部と、第２通気部と、を有する水分吸着部と、気体中の臭気物質を吸着するための臭気吸着材と、第３通気部と、を有する臭気吸着部と、通気に抵抗を与えるための抵抗部材を有し、第２通気部と第３通気部とに接続した抵抗部とを有し、吸着部の外部の空気は、第１通気部から水分吸着部内に流入し、水分吸着材により水分の除去が行われ、第２通気部から抵抗部内に流入し、抵抗部材により抵抗を受けて通気し、第３通気部から臭気吸着部に流入した水分の除去が行われた空気は、臭気吸着材により消臭される吸収性物品である。 The present invention is an absorbent article having an absorber portion arranged between the surface material and the leakage-proof material and an adsorption portion arranged between the absorber portion and the leakage-proof material, and is adsorbed. The unit adsorbs a water adsorbent for adsorbing water in a gas, a water adsorbing part having a first aeration part and a second aeration part that are connected to the outside of the adsorption part, and an odorous substance in the gas. An odor adsorbent having an odor adsorbent, a third vent, and a resistance member having a resistance member for giving resistance to the vent, and connected to the second vent and the third vent. The air outside the adsorbing part flows into the water adsorbing part from the first aeration part, the water is removed by the water adsorbent, flows into the resistance part from the second aeration part, and is resisted by the resistance member. The air that has been ventilated in response to the removal of the water that has flowed into the odor adsorbing portion from the third aeration portion is an absorbent article that is deodorized by the odor adsorbent.
本発明の吸収性物品によれば、消臭機能の低下を抑制することができる。 According to the absorbent article of the present invention, deterioration of the deodorizing function can be suppressed.
以下、実施形態である吸収性物品について、図を参照して詳細に説明をする。なお、実施形態では、吸収性物品として生理用ナプキンについて説明するが、これに限られず、パンティライナー、失禁パッド、成人用紙おむつ、及び、ベビー用紙おむつ等であってもよい。また、生理用ナプキンの公知の構成については説明を適宜省略する。 Hereinafter, the absorbent article according to the embodiment will be described in detail with reference to the drawings. In the embodiment, the sanitary napkin will be described as an absorbent article, but the present invention is not limited to this, and panty liners, incontinence pads, adult diapers, baby diapers and the like may be used. Further, the description of the known configuration of the sanitary napkin will be omitted as appropriate.
図１は、実施形態の吸収性物品の概略構成を示す。実施形態の生理用ナプキン１は、ポリエチレンシートなどからなる防漏材５と、経血やおりものなどを速やかに透過させる表面材４と、表面材４と防漏材５との間に配置された綿状パルプ又は合成パルプなどを含む吸収体部３、及び、吸収体部４と防漏材５との間に配置された吸着部２と、を有する。なお、吸着部２の位置はこれに限られず、表面材４から浸透した液体が直接かからない位置であればよい。
FIG. 1 shows a schematic configuration of an absorbent article of an embodiment. The sanitary napkin 1 of the embodiment is arranged between the leak-
防漏材５は、ポリエチレンやポリプロピレン等のオレフィン系樹脂シートや不透液性を付加した不織布などの遮水性を有する材料である。
The leak-
表面材４は、有孔または無孔の不織布や多孔性プラスチックシートなどの透液性を有する材料である。。
The
吸収体部３は、防漏材５と表面材４との間に配置される。吸収体部３は、綿状パルプ、吸収紙、高分子吸収材、吸水性ポリマー等の吸収材と、それを収容するシートと、を含む。
The
図２は、図１のＡ-Ａ断面図である。なお、図２は、構成の理解を容易とするため寸法関係を厚さ方向に誇張して記載している。また、図内の矢印は空気の流れを説明するためのものである。 FIG. 2 is a cross-sectional view taken along the line AA of FIG. Note that FIG. 2 exaggerates the dimensional relationship in the thickness direction to facilitate understanding of the configuration. The arrows in the figure are for explaining the air flow.
吸着部２は、水分吸着部２１と、抵抗部２２と、臭気吸着部２３と、を有する。吸着部２は、吸収体部３と防漏材５との間に配置される。
The adsorption unit 2 has a
水分吸着部２１は、水分吸着材を気体難透過性のシート等に収容して構成され、表面材４と防漏材５で囲われたとの空間との通気部となる通気部２１ａと、抵抗部２２との通気部となる通気部２１ｂとを有する。
The
水分吸着材は、例えば、活性炭、シリカゲル、酸化カルシウム、ゼオライト等を用いることが好ましい。気体難透過性のシートは、例えば、ポリエチレン、ポリプロピレン、アルミ箔を含むプラスチックラミネートフィルム等を用いることが好ましい。 As the water adsorbent, for example, activated carbon, silica gel, calcium oxide, zeolite or the like is preferably used. As the gas impermeable sheet, for example, it is preferable to use a plastic laminated film containing polyethylene, polypropylene, aluminum foil, or the like.
また、通気部２１ａ、２１ｂは単一の穴や複数の穴でもよく、メッシュ素材や通気性を有する素材でもよい。
Further, the
抵抗部２２は、気体の通過に抵抗を与える抵抗材を、気体難透過性のシート等に収容して構成される。抵抗部２２は、通気部２１ｂと通気部２３ａと通気可能に接続する。
The
抵抗材は、例えば、連続多孔体、管状の部材、連続気泡の多孔体、不織布、紙等の気体が通過する空隙の比率を設定できる材料があるが、装着時の圧力に抗して空隙の体積を維持でき、空隙が連通しているものであることが好ましい。また、抵抗材が気体に与える抵抗力は、通気部２１ａが気体に与える抵抗力より大きければよい。
As the resistance material, for example, there is a material such as a continuous porous body, a tubular member, a porous body of open cells, a non-woven fabric, a paper, etc., which can set the ratio of the voids through which the gas passes. It is preferable that the volume can be maintained and the voids communicate with each other. Further, the resistance force given to the gas by the resistance material may be larger than the resistance force given to the gas by the
特に、不織布や紙を使用すると、適切な素材、製法を選択することにより圧力が加わった際の圧縮率を制御することができる。よって、吸着部の空間をつなぐ抵抗部の空隙を適切に保持することができる。従って、より活性が高い空気吸着材を用いた場合でも、吸着特性を十分に発揮しつつ、水分による劣化を抑制することができる。 In particular, when non-woven fabric or paper is used, the compressibility when pressure is applied can be controlled by selecting an appropriate material and manufacturing method. Therefore, the voids of the resistance portion connecting the spaces of the suction portion can be appropriately maintained. Therefore, even when an air adsorbent having higher activity is used, deterioration due to moisture can be suppressed while sufficiently exhibiting the adsorption characteristics.
さらに、不織布や紙は折り曲げる力に対する形状自由度が大きいため、吸着部を収容するシートが軟包材であれば、吸着部の折り曲げ自由度も大きくなり、より汎用的な用途に用いることが可能になる。このようなことから、抵抗材に不織布や紙を用いることが好ましい。 Furthermore, since non-woven fabric and paper have a large degree of freedom in shape with respect to bending force, if the sheet accommodating the suction part is a soft packaging material, the degree of freedom in bending of the suction part also increases, and it can be used for more general purposes. become. For this reason, it is preferable to use a non-woven fabric or paper as the resistance material.
臭気吸着部２３は、臭気吸着材を気体難透過性のシート等に収容して構成され、抵抗部２２との通気部となる通気部２３ａとを有する。
The
臭気吸着材は、例えば、ゼオライト、活性炭、酸化亜鉛、シリカゲル等の無機成分からなる無機粉体が使用される。また、アルカリ金属やアルカリ土類金属の酸化物や、アルカリ金属やアルカリ土類金属の水酸化物等、例えば、酸化リチウム、水酸化リチウム、酸化バリウム、水酸化バリウム等を用いることでもよい。 As the odor adsorbent, for example, an inorganic powder composed of inorganic components such as zeolite, activated carbon, zinc oxide, and silica gel is used. Further, oxides of alkali metals and alkaline earth metals, hydroxides of alkali metals and alkaline earth metals and the like, for example, lithium oxide, lithium hydroxide, barium oxide, barium hydroxide and the like may be used.
また、通気部２３ａは単一の穴や複数の穴でもよく、メッシュ素材や通気性を有する素材でもよい。
Further, the
図２に示すように、吸収性物品内の空気は、通気部２１ａから水分吸着部２１内に流入し（図中の矢印Ａ）、吸収材により水分の除去が行なわれ、通気部２２ｂから抵抗部２２内に流入する（図中の矢印Ｂ）。
As shown in FIG. 2, the air in the absorbent article flows into the
抵抗部材により空気の移動は阻害されながら、空気は、通気部２３ａから臭気吸着部２３に流入し（図中の矢印Ｃ）、臭気吸着材により消臭される。
While the movement of air is hindered by the resistance member, the air flows from the
このように空気が流れることにより、臭気吸着材はその吸着能力の大部分を臭気の吸着に発揮できるため、効率的に消臭できる。 By flowing air in this way, the odor adsorbent can exert most of its adsorption capacity for odor adsorption, so that it can be efficiently deodorized.
通気部２１ａの通気性は、抵抗材の通気性に比較して大きいため、水分吸着部２１に侵入した気体は内部で淀むことになる。この間に気体に含まれる水分は、水分吸着材により除去されるため、抵抗部２２を経て臭気吸着部２３に到達する気体は水分を含む量が非常に低減されている。
Since the air permeability of the
従って、臭気吸着部２３はその吸着能力の大部分を臭気の吸着に発揮できるため効率的に消臭することができる。
Therefore, since most of the adsorption capacity of the
以上、実施形態を説明したが、この実施形態は、例として提示したものであり、発明の範囲を限定することは意図していない。この新規な実施形態は、その他の様々な形態で実施されることが可能であり、発明の要旨を逸脱しない範囲で、種々の省略、置き換え、変更を行うことができる。この実施形態やその変形は、発明の範囲や要旨に含まれるとともに、特許請求の範囲に記載された発明とその均等の範囲に含まれる。 Although the embodiment has been described above, this embodiment is presented as an example and is not intended to limit the scope of the invention. This novel embodiment can be implemented in various other embodiments, and various omissions, replacements, and changes can be made without departing from the gist of the invention. This embodiment and its modifications are included in the scope and gist of the invention, and are also included in the scope of the invention described in the claims and the equivalent scope thereof.
１ 生理用ナプキン、２ 吸着部、３ 吸収体部、４ 表面材、５ 防漏材 1 Sanitary napkin, 2 Adsorbent, 3 Absorber, 4 Surface material, 5 Leakage-proof material
Claims (1)
前記吸着部は、
気体中の水分を吸着するための水分吸着材と、前記吸着部の外部に通じた第１通気部と、第２通気部と、を有する水分吸着部と、
気体中の臭気物質を吸着するための臭気吸着材と、第３通気部と、を有する臭気吸着部と、
通気に抵抗を与えるための抵抗部材を有し、前記第２通気部と前記第３通気部とに接続した抵抗部と、を有し、
前記吸着部の外部の空気は、前記第１通気部から前記水分吸着部内に流入し、前記水分吸着材により水分の除去が行われ、前記第２通気部から前記抵抗部内に流入し、前記抵抗部材により抵抗を受けて移動し、前記第３通気部から前記臭気吸着部に流入した前記水分の除去が行われた空気は、前記臭気吸着材により消臭される、ことを特徴とする吸収性物品。 An absorbent article having an absorber portion arranged between the surface material and the leak-proof material, and an adsorption portion arranged between the absorber portion and the leak-proof material.
The adsorption part is
A moisture adsorbent having a moisture adsorbent for adsorbing moisture in a gas, a first venting portion communicating with the outside of the adsorbing portion, and a second venting portion.
An odor adsorbing material having an odor adsorbent for adsorbing an odorous substance in a gas, a third aeration part, and an odor adsorbing part.
It has a resistance member for giving resistance to ventilation, and has a resistance portion connected to the second ventilation portion and the third ventilation portion.
The air outside the adsorption portion flows into the moisture adsorption portion from the first ventilation portion, the moisture is removed by the moisture adsorbent, and the air flows into the resistance portion from the second ventilation portion, and the resistance The air that has been moved by receiving resistance from the member and has been deodorized by the odor adsorbent, which has been removed from the moisture that has flowed into the odor adsorbing portion from the third aeration portion, is absorbent. Goods.
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| JP2006511373A (en) * | 2002-12-23 | 2006-04-06 | キンバリー クラーク ワールドワイド インコーポレイテッド | Breathable multilayer film for use in absorbent products |
| JP2015070995A (en) * | 2013-10-04 | 2015-04-16 | 株式会社リブドゥコーポレーション | Absorbent article |
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2020
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|---|---|---|---|---|
| JPS57153736A (en) * | 1981-03-16 | 1982-09-22 | Enkuraa Bijinesu:Kk | Moisture absorbing sheet having deodorizing capacity |
| JPS63147468A (en) * | 1986-12-10 | 1988-06-20 | 牧田 正行 | Deodorizing and liquid absorbing composite material body |
| JPH05123358A (en) * | 1991-04-22 | 1993-05-21 | Kimberly Clark Corp | Foul smell suppressing device |
| JP2006511373A (en) * | 2002-12-23 | 2006-04-06 | キンバリー クラーク ワールドワイド インコーポレイテッド | Breathable multilayer film for use in absorbent products |
| JP2015070995A (en) * | 2013-10-04 | 2015-04-16 | 株式会社リブドゥコーポレーション | Absorbent article |
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