JP2015077259A - Body fluid absorber - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a body fluid absorber exerting excellent deodorizing effects by highly efficiently removing a plurality of types of odorous components emitted by absorbed and retained body fluid and the like.SOLUTION: The body fluid absorber includes limonite in an absorber layer sandwiched between a skin-surface-side sheet and non-skin-surface-side sheet, so that a plurality of types of odorous components such as hydrogen sulfide and ammonia emitted by the absorbed and retained body fluid and the like, without any necessity of a plurality of deodorant components. Especially, the limonite is included in the absorber layer, so that the plurality of odorous components emitted by the body fluid or the like absorbed and retained by the absorber layer can be reliably removed for a long period of time from use till a disposal after the use.

Description

  The present invention relates to a body fluid absorber applied to a wearing article such as a disposable diaper, an inner pad, and a sanitary napkin, and more particularly, a body fluid absorber having a deodorizing function for odor components emitted from body fluid such as feces and urine. It is related to.

  Conventionally, worn articles such as disposable diapers and sanitary napkins absorb and retain body fluids so that body fluids such as stool and urine / menstrual blood discharged by the wearer do not leak outside the worn articles Absorber is provided. However, since the absorbent body gives off odor due to the body fluid to be absorbed and held, it gives an unpleasant sensation to the wearer and caregiver during the period from use to disposal after use.

  In order to deodorize such an unpleasant odor, a deodorant comprising a cobalt phthalocyanine derivative and zinc white on a body fluid-absorbing absorbing layer disposed between a back sheet and a water-permeable top sheet Body fluid absorbent articles comprising components are known.

JP 2000-93453 A

  However, two types of deodorant components, cobalt phthalocyanine derivative and zinc white, are required for multiple types of odorous components such as sulfurous odor, acidic odor and basic odor emitted by body fluids held in the absorbent layer. Therefore, there has been a problem that the material cost becomes high.

  Accordingly, an object of the present invention is to provide a bodily fluid absorber that suppresses material costs and efficiently removes a plurality of types of odorous components emitted by absorbed and retained bodily fluids and the like, and exhibits an excellent deodorizing effect. .

  In recent years, limonite has attracted attention as a natural resource having an excellent potential for environmental purification and the like. Limonite is iron ore (limonite) produced as Aso loess around Mt. Aso, and the composition of the produced state is unstable, but when it stabilizes, it adsorbs various substances and odor components. It is known to do. Therefore, it is used as a soil conditioner, water purification agent, livestock feed additive, pet health supplement, and the like.

In order to solve the above-mentioned problem, the present invention is a bodily fluid absorber including a skin surface side sheet, a non-skin surface side sheet, and an absorbent layer disposed between the both sheets. Limonite is arranged.

  Moreover, the bodily fluid absorber of the present invention is characterized in that limonite is included in the absorption layer.

  Moreover, the body fluid absorber of the present invention is characterized in that limonite is disposed between one or both of the skin surface side sheet and the absorbent layer, or between the absorbent layer and the non-skin surface sheet. It is what.

  Since the present invention is configured and operates as described above, there is an effect that it is possible to efficiently remove a plurality of types of odorous components emitted from a body fluid absorbed and held without requiring a plurality of deodorant components. Moreover, since a limonite is only arrange | positioned between the skin surface side sheet | seat which clamps an absorption layer, and a non-skin surface side sheet | seat, without requiring a several deodorant component, material cost can be suppressed.

  Further, the present invention provides a plurality of types of odorous components that are produced by body fluids absorbed and retained by the absorbent layer for a long period of time from use to disposal after use, as limonite is encapsulated in the absorbent layer. Can be reliably removed.

  In the present invention, the limonite is absorbed and held by being disposed between one or both of the skin surface side sheet and the absorbent layer, or between the absorbent layer and the non-skin surface sheet. It is possible to effectively prevent odorous components such as body fluids from spreading from the skin surface side or the non-skin surface side. Furthermore, when limonite discolors due to adsorption of odorous components such as hydrogen sulfide and ammonia, it can be easily seen from the skin side or non-skin side of the body fluid absorber as an indicator, so it is easy to replace the body fluid absorber. Can be recognized.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
In the present embodiment, an inner pad that is used inside a disposable diaper will be described as an example. FIG. 1 is a plan view of a bodily fluid absorber in the present embodiment, and FIG. 2 is a cross-sectional view taken along line AA in FIG.

As shown in FIG.1 and FIG.2, an inner pad (1) is a non-skin surface provided in the skin surface side sheet | seat (2) provided in the skin surface side with a wearer, and the non-skin surface side with a wearer. It consists of a side sheet (4) and an absorbent layer (3) disposed between the two sheets (2, 4), and the sheets (2, 4) are joined to each other in the peripheral region of the absorbent layer (3). It is constituted by. The joining means may be any one of hot melt adhesive, heat welding, and the like.

The skin side sheet (2) may be any material that allows body fluids such as urine and menstrual blood to permeate toward the absorbent layer (3), and may be a porous or non-porous nonwoven fabric, a porous resin sheet, cotton, silk. Etc. are used. Moreover, as a skin surface side sheet | seat (2), it may be comprised from one member, or may be comprised from several members. As a skin surface side sheet (2) of this embodiment, the composite sheet comprised by joining the width direction outer side edge of a pair of leak-proof sheet | seats (2b) to the both-sides edge of a liquid-permeable top sheet (2a). Is adopted. In addition, the elastic member (EL) extended in a product longitudinal direction may be arrange | positioned in the elongate state at the width direction inner side edge of a leak-proof sheet (2b), and may function as a three-dimensional gather.

The non-skin-side sheet (4) is preferably a liquid-permeable sheet when a body fluid or the like is guided to the disposable diaper so as to pass through the inner pad (1), and a nonwoven fabric or the like is used. On the other hand, when the body fluid is guided to the disposable diaper so that the inner pad (1) sufficiently absorbs the liquid, a liquid-impermeable sheet is preferable, and a liquid-impermeable fine material such as polyethylene is preferable. A porous sheet or a hydrophobic nonwoven fabric is used. As the non-skin surface side sheet (4) of the present embodiment, a liquid-impermeable polyethylene film is employed.

The absorbent layer (3) absorbs the water-like components of loose stool and body fluids such as urine and menstrual blood. The absorbent layer is made of cotton, airlaid nonwoven fabric, pulverized pulp, and superabsorbent polymer (SAP). : Super Absorbent Polymer) or a combination of these.

The absorption layer (3) of the present embodiment can be molded using a known method (Japanese National Standard Publication No. 09-503691). That is, the inside of the rotating drum having the molding pocket is sucked, the pulverized pulp is guided into the molding pocket through the duct, and the pulverized pulp is sucked and held in the molding pocket, thereby forming the absorbent layer (3) having a predetermined shape. it can.

At this time, the absorption layer (3) in which limonite (LM) is included can be obtained by supplying limonite (LM) together with or instead of SAP supplied toward the inside of the duct. An absorption layer (3) is arrange | positioned between a skin surface side sheet | seat (2) and a non-skin surface side sheet | seat (4), and both sheets (2, 4) are joined in the peripheral region of an absorption layer (3). Thus, the inner pad (1) according to the present invention can be obtained. Limonite (LM) may be in any form, and may be in the form of a rod or a sheet, but it is in the form of a powder to be supplied so as to be included in the absorbent layer (3). A body or a granular body is preferable.

According to the inner pad (1) of this embodiment, limonite (LM) is included in the absorbent layer (3) sandwiched between the skin side sheet (2) and the non-skin side sheet (4). Therefore, it is possible to efficiently remove a plurality of types of odor components such as hydrogen sulfide and ammonia emitted from the absorbed body fluid without requiring a plurality of deodorant components. In particular, when limonite (LM) is encapsulated in the absorbent layer (3), body fluids and the like absorbed and retained by the absorbent layer (3) for a long time from use to disposal after use. A plurality of types of odorous components can be reliably removed. Moreover, a limonite (LM) is arrange | positioned between the skin surface side sheet | seat (2) which clamps an absorption layer (3), and a non-skin surface side sheet | seat (4), without requiring a several deodorant component. Therefore, the material cost can be suppressed.

In addition, as a position where a limonite (LM) is arrange | positioned, as long as it is between a skin surface side sheet | seat (2) and a non-skin surface side sheet | seat (4), when enclosing in an absorption layer (3) It is not limited. That is, limonite (LM) may be disposed between the skin surface side sheet (2) and the absorbent layer (3), and between the absorbent layer (3) and the non-skin surface side sheet (4). Limonite (LM) may be arranged.

In this case, it is possible to effectively prevent the odor component emitted from the body fluid or the like absorbed and held by the absorption layer (3) from spreading from the skin surface side or the non-skin surface side. Furthermore, when limonite (LM) changes color due to adsorption of odorous components such as hydrogen sulfide and ammonia, it can be easily seen from the skin side or non-skin side of the inner pad (1) as an indicator. ) Can be easily recognized.

In addition, the bodily fluid absorber concerning this invention is not limited to the above embodiment, You may apply as an absorber of disposable wearing articles, such as a tape-type disposable diaper, disposable pants, and a sanitary napkin.

It is a top view of the inner pad concerning the present invention. It is sectional drawing in the AA of FIG.

DESCRIPTION OF SYMBOLS 1 Body fluid absorber 2 Skin side sheet | seat 2a Top sheet 2b Leak-proof sheet 3 Absorbent layer 4 Non-skin side sheet | seat LM Limonite

Claims (3)

  A bodily fluid absorber comprising a skin side sheet, a non-skin side sheet and an absorbent layer disposed between both sheets, wherein the limonite is further disposed between the sheets. body.   The body fluid absorber according to claim 1, wherein the limonite is included in an absorption layer.   The said limonite is arrange | positioned between the skin surface side sheet | seat and an absorption layer, or any one or both between an absorption layer and a non-skin surface side sheet | seat of Claim 1 or 2 characterized by the above-mentioned. Body fluid absorber.

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