CN110302013A

CN110302013A - Soft stool is included in porous chips and absorbent commodity

Info

Publication number: CN110302013A
Application number: CN201910231461.2A
Authority: CN
Inventors: 神野文夫
Original assignee: Prince Holdings Corp
Current assignee: Prince Holdings Corp; Oji Holdings Corp
Priority date: 2018-03-27
Filing date: 2019-03-26
Publication date: 2019-10-08

Abstract

The present invention relates to soft stools to be included in porous chips and absorbent commodity.Soft stool can be brought into internal technical problem to be solved by the present invention lies in offer and the soft stool of soft stool can more stably be kept to be included in porous chips and have the absorbent commodity of the porous chips.Soft stool, which is included in, has the piece main body (10) with the perforative multiple through holes (21) of through-thickness with porous chips (100).Piece main body (10) has the next door (30) for dividing and forming through hole (21).

Description

Soft stool is included in porous chips and absorbent commodity

Technical field

The present invention relates to soft stools to be included in porous chips and the absorbent commodity for having the porous chips.

Background technique

It has been known that there is the absorbent commodities of nappy, diaper, sanitary napkin etc in the past.It is equipped in absorbent commodity and skin Face contact and the top flat with water penetration and the absorption with the fibrous materials such as paper pulp or artificial silk and superabsorbent polymer Body.It is inhaled by the urine of wearer's excretion or the fluid moisture (hereinafter referred to " excretion moisture ") of menses etc through top flat Acceptor is absorbed and is kept.

On the other hand, for soft stool, pureed just, watery stool etc comprising liquid component and solid component excrement (under They are referred to as " soft stool " in text) for, solid component will not penetrate top flat and be not easy to be absorbed by top flat.Therefore, soft Just it is extended on top flat, body may be absorbed and absorb and escape to outside from the end of absorbent commodity.In this case, may be used Spot can be generated on clothes, generate peculiar smell etc..Such state is sometimes referred to as " side leakage ".It is worn in addition, soft stool can remain in It is attached to skin between the skin and top flat of user, unplessantness displeasure thus is brought to wearer, and skin spot may be generated The trouble such as rash needs the operations such as wiping.Someone proposes in view of this to be formed on the surface patch (top flat) opposed with skin The absorbent commodity (referring to patent document 1) in multiple holes for penetrating soft stool.

Existing technical literature

Patent document

Patent document 1: Japanese Unexamined Patent Publication 2007-97643 bulletin

Summary of the invention

Problems to be solved by the invention

The purpose of the present invention is to provide one kind into soft stool can be brought to soft stool that is internal and being able to maintain soft stool to receive Enter with porous chips and the absorbent commodity for having the porous chips.

Means for solving the problems

Herein, disclosed soft stool is included in is characterized in that with porous chips, is had perforative more with through-thickness The piece main body of a through hole.Sheet above main body has the next door for dividing and forming above-mentioned through hole.

It is preferred that the depth of above-mentioned through hole is greater than aperture (preference 1).Additionally, it is preferred that above-mentioned next door have with it is adjacent upper It states through hole connection and hole (preference 2) can be penetrated through moisture.Additionally, it is preferred that being attached with high-absorbable in above-mentioned next door Polymer (preference 3).

In addition, absorbent commodity disclosed herein has: above-mentioned soft stool is included in porous chips and is received set on above-mentioned soft stool Enter the surface side with porous chips and includes the absorber of superabsorbent polymer.

In addition, absorbent commodity disclosed herein has: above-mentioned soft stool is included in porous chips and is received set on above-mentioned soft stool Enter the surface side with porous chips and absorbs the support chip of moisture.

The effect of invention

Soft stool shown according to the present invention is included in porous chips and the absorbent commodity for having the porous chips, can be in inside It is included in soft stool.In addition, being included in the intensity with porous chips by improving soft stool, soft stool can be more stably kept.In preference 1 In, it can more reliably be included in soft stool, further stably keep soft stool.In addition, further making to pass through in preference 2 It through hole and is received in soft stool and is included in the moisture diffusion in porous chips, rested on thus it enables that bringing internal soft stool into Soft stool is included in in porous chips.In addition, can further include in superabsorbent polymer holding soft stool in preference 3 Liquid component.

Detailed description of the invention

Fig. 1 is the expanded view of the nappy (absorbent commodity) of first embodiment.

Fig. 2 be Fig. 1 II-II to view sectional view.

Fig. 3 is to show the soft stool with honeycomb pattern structure of first embodiment to be included in the solid of an example with porous chips Figure.

Fig. 4 is to show the soft stool with honeycomb pattern structure of first embodiment to be included in the vertical view of an example with porous chips Sectional view.

Fig. 5 is to show the soft stool with wave pattern structure of first embodiment to be included in the solid of an example with porous chips Figure.

Fig. 6 is to show the soft stool with wave pattern structure of first embodiment to be included in the vertical view of an example with porous chips Sectional view.

Fig. 7 is to show the soft stool of first embodiment to be included in the perspective view of the variation with porous chips.

Fig. 8 is to show the soft stool of first embodiment to be included in the top cross-sectional view of the variation with porous chips.

Fig. 9 is the sectional view of the nappy (absorbent commodity) of second embodiment.

Figure 10 be show second embodiment the soft stool with honeycomb pattern structure be included in it is vertical with an examples of porous chips Body figure.

Figure 11 is to show the soft stool with honeycomb pattern structure of second embodiment to be included in bowing with an examples of porous chips Depending on sectional view.

Figure 12 be show second embodiment the soft stool with wave pattern structure be included in it is vertical with an examples of porous chips Body figure.

Figure 13 is to show the soft stool with wave pattern structure of second embodiment to be included in bowing with an examples of porous chips Depending on sectional view.

Figure 14 is the sectional view of the nappy (absorbent commodity) of third embodiment.

Figure 15 be show third embodiment the soft stool with honeycomb pattern structure be included in it is vertical with an examples of porous chips Body figure.

Figure 16 is to show the soft stool with honeycomb pattern structure of third embodiment to be included in bowing with an examples of porous chips Depending on sectional view.

Figure 17 be show third embodiment the soft stool with wave pattern structure be included in it is vertical with an examples of porous chips Body figure.

Figure 18 is to show the soft stool with wave pattern structure of third embodiment to be included in bowing with an examples of porous chips Depending on sectional view.

Figure 19 is to show the soft stool of third embodiment to be included in the perspective view of the variation with porous chips.

Figure 20 is to show the soft stool of third embodiment to be included in the top cross-sectional view of the variation with porous chips.

Figure 21 is the expanded view for showing the variation that soft stool is included in porous chips.

Figure 22 is the expanded view for showing another variation that soft stool is included in porous chips.

Specific embodiment

Mode for carrying out the present invention is illustrated below.What following embodiments were merely an illustrative, not anticipate The various modifications or technical application that do not express in excluding the embodiment.Each composition of present embodiment can not depart from it Various modifications are carried out in the range of objective to implement.In addition it can according to need and carry out choice selection, group as one sees fit can also be carried out It closes.

The absorbent commodity described in embodiment is to be worn and can absorb by wearer and keep being drained by wearer Urine or menses etc fluid moisture or the excretas such as soft stool amenities.In the absorbent commodity, in addition to banding pattern or The nappy (so-called " disposable urine napkin ") of underwear type, drawing draw the absorbability for having the laminate comprising absorber of trousers etc It further include the absorbent commodity for only having the laminate comprising absorber of diaper, sanitary napkin, panty liner etc other than article Deng.In the following embodiments, the nappy of underwear type is illustrated as absorbent commodity.

In the present embodiment, for nappy, the predecessor that the abdomen with wearer is configured in opposite directions and with back phase The direction connected to the rear body of configuration is as length direction.Configure the crotch position (configured towards between leg) under the crotch of wearer Between these predecessors and rear body (center of length direction).In addition, (hereinafter simple in the state that nappy is worn by wearer Referred to as " wearing effect ") under, the side (inside) of the skin towards wearer is regard as the opposite surface side of skin, by skin forward surface The opposite side (outside) of side is used as the non-opposite surface side of skin.In addition, the opposite surface side of skin and the non-opposite surface side of skin will be connected Direction is as thickness direction, using the direction orthogonal with length direction and thickness direction as width direction.In addition, will be with thickness The direction in the orthogonal face in direction is as face direction.In addition, using the figure from thickness direction as top view.

It not only include flat about the direction respectively constituted in nappy, such as in the case where being expressed as alongst Row further includes being roughly parallel to length direction in length direction.Specifically, by small with the tilt angle relative to length direction It carries out extending as alongst in 45 °.Similarly, it is being expressed as each side along width direction, thickness direction etc In the case where, also referred to as extended with the tilt angle relative to all directions less than 45 °.It should be noted that this theory In bright book, such as the record of " 1~100 " this numberical range includes both its lower limit value " 1 " and upper limit value " 100 ".In addition, The record of other numberical ranges is also same.

[1. are constituted]

[first embodiment]

Referring to Fig.1~Fig. 6 is included in the soft stool of first embodiment and is carried out with the composition of porous chips 100 and nappy 300 Explanation.It should be noted that, for ease of holding each composition, exaggerating in the sectional view of Fig. 2 and showing the thickness of each sheet class Degree.

In Fig. 1, nappy 300 has been asymmetrically formed on the basis of the center line A of width direction.The nappy 300 along Length direction is roughly divided into predecessor 300A, crotch 300B and rear these three regions body 300C.Crotch 300B is in nappy 300 The region when wearing under the crotch of wearer.

Nappy 300 has absorbing laminated body (hereinafter also referred to as " laminate ") 200 in crotch 300B.Such as Fig. 2 institute Show, laminate 200 has soft stool and is included in porous chips (hereinafter also referred to as " porous chips ") 100.In addition, laminate 200 has Absorber 40 set on the end face side 10b as an interarea of porous chips 100.In addition, laminate 200 has set on porous chips The top flat 51 of the 100 end face side 10a as another interarea.In addition, laminate 200 have set on absorber 40 be equipped with it is more The tergite 55 in the face of the face opposite side of 100 side of hole piece.That is, laminate 200 be at least sequentially lamination top flat 51, porous chips 100, Cushion laminate structure made of absorber 40 and tergite 55.

Here, in the present specification, set on the face of porous chips 100 it is meant that not only including that absorber 40 or top flat 51 are straight The mode for being placed in the surface of porous chips 100 is carried, further includes that be folded with arbitrary layer between porous chips 100 at it (such as viscous Connect layer etc.) mode.Similarly, set on the face of absorber 40 it is meant that not only including that porous chips 100 or tergite 55 directly load Mode in the surface of absorber 40 further includes the mode for being folded with arbitrary layer between absorber 40 at it.In addition, at least Sequentially laminate structure made of lamination top flat 51, porous chips 100, absorber 40 and tergite 55 is it is meant that not only include only It further include being further provided with the structure of arbitrary layer in each interlayer by structure made of the direct lamination of each layer.Wherein, from be easy into Solid component between row porous chips 100 and absorber 40 and top flat 51 sets out in terms of the circulation of liquid component, preferably exists Do not have other layers between porous chips 100 and absorber 40 and top flat 51.Alternatively, in porous chips 100 and absorber 40 and top flat In the case where having adhesive layer between 51, preferably by the face of adhesive layer in the way of not interfering the circulation of solid component or moisture Product inhibits degree required for keeping in the bonding of interlayer.It should be noted that the solid component in this specification refers to liquid Ingredient in addition, such as refer to comprising digestion or indigested food dreg, small intestine, large intestine etc. cell or its corpse, big in vivo The excrement such as the intestinal cells such as enterobacteria or its corpse.In addition, the concept of solid component is gone back other than the solid matter of solid-like Including the semi-solid object for showing plasticity or mobility comprising solid and liquid.

The each component of porous chips 100, laminate 200 and nappy 300 is illustrated below.

[porous chips]

Porous chips 100 are that soft stool is brought into its sheet component that is internal and preventing soft stool from spreading to transverse direction (face direction). Porous chips 100 are mainly used for the purposes that soft stool is included in, and can be located as soft stool and be included in use porous chips.

As shown in Figure 1 and Figure 2, porous chips 100 have piece main body 10.Piece main body 10 has through-thickness from mutually opposed An end face 10a (another side) extend through multiple through holes 21 of other end 10b (on one side).In through hole 21, at least its One end is open in end face 10a opening, the other end in end face 10b.For example, through hole 21 can be tilted relative to thickness direction Ground extends, and can be bent, can also be closed in the inner branch of piece main body 10 with multiple through holes 21 in the inside of piece main body 10 Stream.Wherein, the aspect for being included into 21 inside of through hole from soft stool and flowing out the liquid component for including in soft stool rapidly, Through hole 21 is preferably formed into linearly.In addition, by the opening of the opening portion of the end face side 10a of through hole 21 and the side end face 10b The through hole 21 of portion's connection is axial preferably consistent with the thickness direction of piece main body 10.Such through hole 21 is aftermentioned from that can utilize It is also preferred for setting out in terms of known production method mass production.

Piece main body 10 has the next door 30 for dividing and forming through hole 21.Next door 30 be under overlook view in piece main body The structure member of the multiple through holes 21 of Inner Constitution in 10.That is, each through hole 21 is separated and is divided by next door 30.

In present embodiment, next door 30 is the plate-shaped member extended in the thickness direction of piece main body 10, forms hole Room 11a, 11b, the pore chamber 11a, 11b are as the structural unit for surrounding through hole 21 (referring to Fig. 3~Fig. 6).Also, passing through will be more A pore chamber 11a, 11b form porous chips 100 along the face direction of piece main body 10 set.Alternatively, porous chips 100 can also be claimed For porous plastid, in the porous plastid, tabular or block-like main body 10 form the perforative multiple through holes of through-thickness 21, through hole 21 is separated by the next door 30 as nubbin.By making porous chips 100 have through hole 21 and next door 30, soft stool can be included into inside porous chips 100, and be able to maintain that intensity in a thickness direction.It should be noted that In this specification, plate is not exposed to the restriction of the thickness of component, the e.g. concept comprising membranaceous, sheet, bulk etc..Separately Outside, the thickness in next door 30 can be uniform, can also unevenly change.

About the shape of porous chips 100, do not have as long as the size and shape by the soft stool of wearer's excretion can be included in It is particularly limited to.In the present embodiment, being illustrated porous chips 100 with aftermentioned absorber 40 is bowing for roughly the same shape Depending on hour-glass in shape situation.In this way, by making the shape roughly the same with absorber 40 of porous chips 100, porous chips 100 can cover Region of the lid comprising predecessor 300A, crotch 300B and rear body 300C.Also, porous chips 100, which can block, is excreted to these regions Interior excreta, thus, it is possible to prevent excreta from leaking out from nappy 300.In addition, by the way that porous chips 100 are set to absorber On 40, in the case where porous chips 100 are included in soft stool from an end face side 10a of through hole 21, exist in the other end side 10b and inhale Acceptor 40.Therefore, absorber 40 plays the role of the obturator (stopper) as the end face side 10b, can prevent from bringing into passing through The case where soft stool inside through-hole 21 passes through through hole 21 and flows directly out from end face 10b to by porous chips 100.Also, Absorber 40 can be such that the solid component of soft stool rests on inside through hole 21 while make to bring the soft stool inside through hole 21 into In include liquid component be absorbed by end face 10b.Wherein, the top view shapes of porous chips 100 are not limited to hourglass shape Shape, such as may be circle, ellipse, oblong, rectangle etc. under overlook view.In order to play absorber 40 as end The effect of the obturator of the face side 10b absorbs liquid component by end face 10b, preferably makes porous chips 100 less than absorber 40 Shape.In addition, the position for the podex that porous chips 100 preferably at least configured in wearer.

As described below, porous chips 100 can be by deep according to through hole 21 by 30 through-thickness of next door of long size The mode that degree reaches desired length is cut off to manufacture.At this point, being located at the end in the next door 30 of the end face 10a of piece main body 10 Portion is preferably formed as the chamferings such as plane or disc, more preferably forms the chamfering of disc.If the end in next door 30 directly be cut off and not Chamfering is formed, then when the skin surface of porous chips 100 and wearer contacts, unplessantness displeasure may be brought to wearer.Pass through shape At the chamfering in next door 30, such unplessantness displeasure that can be generated when wearing is can reduce or eliminated.The chamfering in next door 30 is for example logical Machining is implemented in the end for crossing counter septum 30, milled processed, heat treatment, flame radiation treatment, ultrasonication etc. come into Row.It should be noted that the end face 10a and end face 10b of piece main body 10 are difficult to distinguish by vision sometimes, thus differentiated from saving Effort in terms of set out, can make the end of end face 10a and end face this two sides 10b formed chamfering.

The side surface part of 100 next door 30 of porous chips, which can have, penetrates hole (illustration omitted) through next door 30.Due to tool There is the liquid component for being included into through hole and in the soft stool inside porous chips 100 including can be by penetrating next door through hole 30.The liquid component for including in soft stool as a result, expands in adjacent through hole 21, spreads in porous chips 100.Also, it is logical Crossing makes absorber 40 absorb the liquid component through spreading, and thus, it is possible to rapidly absorb liquid component in broader region.Separately On the one hand, from the intensity aspect for improving porous chips 100, preferably 100 next door 30 of porous chips, which does not have, penetrates hole.That is, It is preferred that the wall surface in next door 30 is extended continuously without interruption from end face 10a to end face 10b.In this case, next door 30 can be utilized Entire wall surface the load for being applied to next door 30 is supported, can be improved the intensity of porous chips 100.

As the material for constituting porous chips 100, it can be cited for example that paper, synthetic paper, synthetic resin, non-woven fabrics etc..These Among, from the aspect of intensity and the transmission for interfering soft stool, preferably paper, synthetic paper, synthetic resin, go out in terms of water resistance Hair, more preferable synthetic paper, synthetic resin, from cost, productivity aspect, more preferable synthetic resin.Wherein, the case where paper Under water resistance can be improved and making resin be attached on paper or be impregnated into paper.

As paper, the paper comprising paper pulp as principal component is used.Raw material as paper pulp is not particularly limited, and can enumerate Such as the timber slurry such as coniferous tree, broad leaf tree；The non-timbers slurry such as gombo hemp, fiber crops, bamboo, straw；By starting pulps such as old paper paper pulp Obtained slurry.In addition, the preparation method of paper pulp is also not particularly limited, such as sulfate pulp (KP), sulfide paper can be used Starch chemical pulps such as (SP)；Mechanical pulps such as wood fragments slurry (GP), disk grinding machinery (RGP), thermomechanical pulp (TMP) etc..These Paper pulp can be used alone, two or more can also be applied in combination.In addition, as paper, from obtaining the side of desired intensity Face is set out, and the use of paper weight is usually 50g/m²It above, is preferably 100g/m²Above, it is more preferably 150g/m²Above and Usually 400g/m²It below, is preferably 300g/m²Below, it is more preferably 200g/m²Paper below.

It is not particularly limited as synthetic resin, such as polyethylene terephthalate, poly- terephthaldehyde can be used The polyester based resins such as acid propylene glycol ester；The polyolefin-based resins such as polyethylene, polypropylene；Nylon-6, nylon-6,6 etc. is polyamide-based The thermoplastic resins such as resin.These thermoplastic resins can be used alone, two or more can also be applied in combination.

As synthetic paper, it can be used using above-mentioned synthetic resin as raw material and applied for example, by internal paper method, surface Cloth method, surface preparation etc. and the paper produced.

As non-woven fabrics, can be used using above-mentioned synthetic resin as raw material by Hot rolling, spun-bond process, needle point method, Spun lacing (spunlace) method, hot wind method, meltblown etc. and the non-woven fabrics produced.From preventing soft stool from invading and penetrate by non-woven fabrics It sets out in terms of the fibre gap in the next door 30 of composition, the weight per unit area of non-woven fabrics is preferably 50g/m²Above, more preferably For 100g/m²It above, is more preferably 150g/m²More than.The upper limit of weight per unit area is not particularly limited, if but unit Area weight is excessive, then the thickness in next door increases, and the volume of through hole 21 tends to reduce, thus preferred unit area weight is 1000g/m²Below.

From improving intensity, water resistance and the difficult permeability aspect for interfering soft stool to penetrate, paper, non-woven fabrics be can be used Adhere to or be impregnated with the material of resin.At this point, the resin as attachment or infiltration is not particularly limited, can be used for example above-mentioned Thermoplastic resin.Or heat-curing resin can be used.It should be noted that adhering to or being impregnated with resin in non-woven fabrics In the case of, in order to improve the difficult permeability of soft stool, weight per unit area can be used lower than 50g/m²Non-woven fabrics.Such case Under the weight per unit area of non-woven fabrics be preferably 20g/m²Above, it is more preferably 30g/m²It above, is more preferably 40g/m² More than.

21 depth of through hole is greater than aperture.That is, 21 depth of through hole is preferably greater than 1 relative to the ratio between aperture (slenderness ratio). 21 depth of through hole relative to the ratio between aperture be typically larger than 1, preferably 1.3 or more, more preferably 1.6 or more, further preferably Be 2 or more, particularly preferably 2.5 or more, and usually 8 or less, preferably 6 or less, more preferably 5 or less, it is further excellent It is selected as 4 or less.Depth relative to the ratio between aperture be above-mentioned lower limit value more than when, the length of thickness direction is tended to increase, be easy Ensure the volume for being accommodated in soft stool inside through hole 21.It should be noted that being lower than in depth relative to the ratio between aperture In the case where above-mentioned lower limit value, aperture increases relative to depth, the declines based on capillarity, and soft stool is easy from perforation Hole 21 falls off.When depth relative to the ratio between aperture is above-mentioned upper limit value or less, when applying load to porous chips 100, it is easy anti- Only through hole deforms and fractures halfway.In addition it is easier the tendency increased with aperture, be easy soft stool promptly It brings into inside through hole 21.

The thickness in next door 30 is not particularly limited, and usually 50 μm or more, preferably 100 μm or more, more preferably 150 μm More than, and usually 400 μm or less, preferably 300 μm or less, more preferably 200 μm or less.Next door 30 with a thickness of above-mentioned When more than lower limit value, it is easy to improve the intensity of porous chips 100.Next door 30 with a thickness of below above-mentioned upper limit value when, can inhibit more The increase of the weight of hole piece 100, it is easy to ensure that through hole 21 volume.

The height in next door 30 is not particularly limited, usually 2mm or more, preferably 5mm or more, more preferably 10mm with Upper, further preferably 15mm or more, and usually 40mm or less, preferably 30mm or less, more preferably 25mm or less, into One step is preferably 20mm or less.When the height in next door 30 is above-mentioned lower limit value or more, it is easy to ensure that soft stool is accommodated in porous chips Volume inside 100.When the height in next door 30 is above-mentioned upper limit value or less, it is easy to prevent the through hole when applying load from outside 21 from fractureing and next door 30 deforms halfway.It is mentioned in addition, the whole bending easiness in a thickness direction of porous chips 100 is opposite Height, processing forming or fit LC when wearing easily become good.

It should be noted that the height in next door 30 usually with the height of the thickness direction of porous chips 100, i.e. porous chips 100 Thickness it is roughly equal.In addition, the height in next door 30 is usually roughly equal with 21 depth of through hole.That is, the thickness of porous chips 100 Be not particularly limited, usually 2mm or more, preferably 5mm or more, more preferably 10mm or more, further preferably 15mm with On, and usually 40mm or less, preferably 30mm or less, more preferably 25mm or less, further preferably 20mm or less.Separately Outside, 21 depth of through hole is not particularly limited, usually 2mm or more, preferably 5mm or more, more preferably 10mm or more, into one Step be preferably 15mm or more, and usually 40mm or less, preferably 30mm or less, more preferably 25mm or less, further it is excellent It is selected as 20mm or less.

The aperture of through hole 21 is not particularly limited, usually 0.5mm or more, preferably 1mm or more, more preferably 1.5mm or more, further preferably 2mm or more, and usually 10mm or less, preferably 8mm or less, more preferably 6mm with Under, further preferably 5mm or less, particularly preferably 4mm or less.When the aperture of through hole 21 is above-mentioned lower limit value or more, hold Easily ensure for soft stool to be accommodated in the volume inside porous chips 100.And it is easy to bring soft stool inside through hole 21 into rapidly.It passes through When the aperture of through-hole 21 is above-mentioned upper limit value or less, it can inhibit the reduction of the intensity of porous chips 100, hold when from externally applied force Easily prevent from deforming.In addition, by playing the role of being easy for soft stool to be maintained in through hole 21 based on capillarity.

It is deformed in order to prevent by power that wearer is applied, porous chips 100 are preferably to incompressible intensity (pressure Contracting intensity) it is high.For example, dress has the wearer of the absorbent commodity 300 for having porous chips 100 when in use according to by porous chips 100 be laid in buttocks lower part come whens taking one's seat or become back floating position etc., thickness direction institute of the wearer to porous chips 100 The load of application will increase.Therefore, in this specification, mention porous chips 100 to incompressible intensity in the case where, refer to Compressive strength on thickness direction.Compressive strength refers to the compression load applied for the thickness direction in porous chips 100, more Maximum stress when the generation bending deformation of hole piece 100 or porous chips 100 are destroyed.Compressive strength is by being applied to porous chips 100 Test film sectional area of the maximum compression load divided by test film obtained from value indicate.Specifically, in this specification The value that measures under the conditions of be documented by the aftermentioned embodiment of compressive strength.The compressive strength of porous chips 100 is preferably 10kPa or more, more preferably 20kPa or more, further preferably 30kPa or more, and it is preferably 2000kPa or less, more excellent It is selected as 1000kPa or less, further preferably 800kPa or less.When compressive strength is above-mentioned lower limit value or more, by improving needle To the intensity of compression in a thickness direction, do not allow to be susceptible to deform by load, is easy to keep soft in inside Just.Compressive strength be above-mentioned upper limit value below when, from cost aspect be preferred.

In addition, porous chips 100 can also comment incompressible intensity by the compressive strength of its unit intensity Valence.The compressive strength of unit intensity is obtained by the compressive strength of the test film of above-mentioned porous chips 100 divided by the density of test film Value indicate.Specifically, the compressive strength of the unit intensity in this specification is the condition documented by aftermentioned embodiment It is lower to measure obtained value.The compressive strength of the unit intensity of porous chips 100 is preferably 0.5kPa/ (kg/m³) more than, more preferably 2kPa/(kg/m³) more than, further preferably 5kPa/ (kg/m³) more than, and preferably 100kPa/ (kg/m³) below, more Preferably 80kPa/ (kg/m³) below, further preferably 50kPa/ (kg/m³) below.The compressive strength of unit intensity is above-mentioned When more than lower limit value, although light-weight, incompressible intensity is easy to increase.In addition, in this case, in porous chips 100 Occupied voidage is tended to increase, and the weight of porous chips 100 is suppressed, and is easy to improve the processing of porous chips 100 as a result, Property, be easy to increase the amount for bringing internal soft stool into simultaneously.The compressive strength of unit intensity be above-mentioned upper limit value below when, from It is preferred that this aspect, which is set out,.

In porous chips 100, from the easy compressive strength that soft stool is brought into through hole 21 to and be can be improved unit intensity Aspect set out, preferably voidage is high.The voidage of porous chips 100 can be by through hole 21 in the top view of porous chips 100 Total area of opening area is indicated relative to the ratio of the area of porous chips 100.Specifically, the gap in this specification The value that rate measures under the conditions of being documented by the aftermentioned embodiment.The voidage of porous chips 100 is preferably 30% or more, More preferably 50% or more, further preferably 75% or more, particularly preferably 90% or more, and preferably 99% or less, It more preferably 98% or less, is more preferably 97% or less, particularly preferably 95% or less.The voidage of porous chips 100 is When more than above-mentioned lower limit value, ratio shared by through hole 21 increases, and thus is easy to increase for being included in soft stool in through hole 21 Internal capacity.In addition, being easy to improve the compressive strength of unit intensity.The voidage of porous chips 100 is above-mentioned upper limit value or less When, it is easy to inhibit the reduction of the intensity in next door 30.

The through hole 21 of porous chips 100 and the shape in next door 30 are not particularly limited.From intensity, ease of manufacturing in terms of It setting out, porous chips 100 preferably have pore chamber (cell) 11a for being made of under overlook view through hole 21 and next door 30, and 11b weeks The repetitive structure occurred to phase property.In particular, it is preferred that the next door 30 for surrounding through hole 21 constitutes round or polygon repetition Structure, more preferable next door 30 constitute the structure for overlooking the honeycomb pattern for polygon (referring to Fig. 3, Fig. 4).Or preferred next door 30 Constitute the structure overlooked as wave pattern (referring to Fig. 5, Fig. 6).Successively these structures are illustrated.It should be noted that Fig. 3 In~Fig. 6 and aftermentioned Fig. 7, Fig. 8, the perspective view of porous chips 100 (piece main body 10) and the sectional view in next door 30 are shown, but Take out a part in repetitive structure possessed by porous chips 100 and next door 30 only to show.

As shown in Figure 3, Figure 4, in porous chips 100, next door 30 preferably comprises honeycomb pattern structure, which is Make made of more set of the internal polygon pore chamber 11a with polygon through hole 21a.It is being cut that is, forming each next door 30 The honeycomb pattern structure of polygon pore chamber 11a is constituted in the structure of face.Pore chamber 11a is by through hole 21a and surrounds through hole 21a's Plate hole locular wall 31 is constituted.Also, multiple pore chamber 11a are adjacent, and adjacent pore chamber 11a is contacted according to mutual hole locular wall 31 Mode set, porous chips 100 are consequently formed.It should be noted that in Fig. 4, by the double dot dash line packet of one in pore chamber 11a It encloses and shows.

The shape of the sectional view of pore chamber 11a is not particularly limited, it can be cited for example that triangle, quadrangle, pentagon, six Side shape etc..Wherein preferred equilateral triangle, square, regular hexagon, more preferable regular hexagon.Through hole 21a inside pore chamber 11a Sectional view in shape control pore chamber 11a sectional view in shape, be identically formed with the shape of pore chamber 11a.For example, hole In the case that the shape of room 11a is regular hexagon, the shape of through hole 21a also forms regular hexagon.Pore chamber 11a and through hole In the case that the shape of 21a is regular hexagon, by applying the dispersion of power in the surface direction, the intensity in next door 30 is improved, Do not allow to be susceptible to deform in the case where applying external force.In present embodiment, pore chamber 11a and through hole 21a are illustrated in section Observation is lower to have the case where shape of regular hexagon.

Next door 30 is formed and by more than 32 a lamination of base part.Base part 32 has concaveconvex structure in face direction, this is recessed Male structure is extended in a thickness direction.Adjacent base part 32 is connected with the opposed positional relationship in mutual protrusion, is led to It crosses and the face is bonded and forms adhesive portion 33.It is molten that such as starch, heat molten type, synthetic resin emulsion type, resin can be used in bonding Bonding agent well known to liquid type etc. carries out.

In the case that next door 30 constitutes honeycomb pattern structure, the aperture of through hole 21a can by inscribed with pore chamber 11a and Diameter maximum diameter of a circle indicates.That is, the aperture of through hole 21a refers to the interior of the section of through hole 21a in a top view Connect diameter of a circle.As shown in figure 4, the aperture of through hole 21a is by the opposite of pore chamber 11a in the case that pore chamber 11a is regular hexagon Side between interval L₁₁To indicate.In this case, the interval L between opposite side₁₁Usually 0.1mm or more, preferably 0.5mm or more, more preferably 1mm or more, further preferably 1.5mm or more, particularly preferably 2mm or more, and be usually 10mm or less, preferably 6mm or less, more preferably 5mm or less, further preferably 4mm or less.It should be noted that honeycomb In the case where the structure of pattern, the depth D of through hole 21a₁₁Numberical range same as the height in above-mentioned next door 30 can be taken. In addition, the depth D of pore chamber 11a₁₁Interval L between opposite side₁₁The ratio between can take and 21 depth phase of above-mentioned through hole Numberical range same for the ratio between aperture.

In the case that next door 30 constitutes the structure of above-mentioned honeycomb pattern, the manufacturing method of porous chips 100 is not particularly limited, It can use the manufacturing method of the structure of well known honeycomb pattern.For example, next door 30 will be formed first as the first manufacturing method The substrate of planar sheet be shaped to concavo-convex in the way of the wall surface for forming hexagon shape, obtain base part 32.Then, exist Outside coating adhesive outstanding set on the protrusion of the base part 32.Further, by multiple base parts 32 according to mutual The position corresponding relationship of protrusion is bonded.Then, by the base part 32 after fitting according to the depth of through hole 21a D₁₁Mode as desired length is cut off along the plane direction, and thus, it is possible to produce the structure with honeycomb pattern.

In addition, as the second manufacturing method, firstly, in the substrate of planar sheet for forming next door 30, it is viscous being equivalent to The position of socket part 33 periodically coating adhesive.Then, the multiple substrates overlapping for being coated with bonding agent is mutually bonded it, Thus it obtains lamination object made of substrate lamination.Then, in this state, according to the depth D of through hole 21a₁₁As institute's phase The mode of the length of prestige cuts off lamination object.In addition, by the mutual space of extension substrate and by substrate adhesive portion 33 It is bonded and is formed the concaveconvex shape of base part 32, sprawls lamination object, thus, it is possible to produce the structure.

It should be noted that these manufacturing methods can also combine to carry out.For example, can will be by second manufacturer's legal system The multiple porous chips 100 made are bonded according to the position corresponding relationship of mutual protrusion.

As shown in Figure 5, Figure 6, in porous chips 100, next door 30 preferably comprises wave pattern structure, which is It is made of the repetition in wavy channel-shaped portion 35 and flat lining portion 36.Pore chamber 11b is by through hole 21b and surrounds perforation The hole locular wall 34 of the plate of hole 21b is constituted, and the hole locular wall 34 is by channel-shaped portion 35 and the lining to connect in adhesive portion 37 with channel-shaped portion 35 Layer portion 36 is constituted.Also, porous chips 100 are formed and multiple pore chamber 11b to be mutually adjacent to set.It should be noted that In Fig. 6, one in pore chamber 11b is shown with double dot dash line encirclement.

Next door 30 passes through the alternately laminated formation in channel-shaped portion 35 and more than 36, lining portion.At this point, the waveform in channel-shaped portion 35 Top connects with lining portion 36 (the lining portion is arranged opposite to each other with the side in channel-shaped portion 35).In addition, the waveform in channel-shaped portion 35 Bottom connects with lining portion 36 (the lining portion is arranged opposite to each other with the other side in channel-shaped portion 35).Later by the top in channel-shaped portion 35 It is Nian Jie with opposite lining portion 36 respectively with bottom, thus adhesive portion 37.Bonding with the structure of honeycomb pattern the case where in the same manner as Well known bonding agent can be used to carry out.

In the case that next door 30 constitutes wave pattern structure, the bending easiness of porous chips 100 is according to lining portion 36 Extended direction and show anisotropy.That is, with the direction (left and right directions in Fig. 6) along the wall surface for being parallel to lining portion 36 It compares, shows more easily curved characteristic along the direction (up and down direction in Fig. 6) orthogonal with the wall surface in lining portion 36.Cause This, porous chips 100 can be matched according to the length direction of nappy 300 mode orthogonal with the extended direction in lining portion 36 It sets.In this case, nappy 300 using crotch 300B as bottom, it is whole according in predecessor 300A and rear body 300C extremely When the mode that few one erects is deformed, porous chips 100 are easy the deformation with the length direction of nappy 300 and are bent. Thus, for example when wearer wears nappy 300, porous chips 100 are along under the predecessor of wearer, crotch and the shape at back It is easy to occur bending and deformation in length direction.Thus make fit sense good, and follow and wear on the length direction of nappy 300 The skin surface of user and be easy to be included in soft stool.In addition, porous chips 100 can be according to the length direction and lining of nappy 300 The mode that the extended direction in portion 36 is parallel is configured.In this case, porous chips 100 are easy the width according to nappy 300 The deformation in direction and be bent.Thus, for example when wearer wears nappy 300, porous chips 100 along between the leg of wearer or The shape of anal cleft is easy bending deformation in the direction of the width.Thus make fit sense good, and in the width direction of nappy 300 On follow the skin surface of wearer and be easy to be included in soft stool.

In the case that next door 30 constitutes wave pattern structure, as shown in fig. 6, the aperture of through hole 21b can be by lining The interval L in portion 36₂₁To indicate.In this case, the interval L in lining portion 36₂₁Usually 0.5mm or more, preferably 1mm or more, More preferably 1.5mm or more, further preferably 2mm or more, and usually 10mm or less, preferably 6mm or less, more preferably For 5mm or less, further preferably 4mm or less.The interval L in the multiple lining portions 36 for including in next door 30₂₁Can it is identical, can also With difference.On the other hand, the spacing L of the waveform in channel-shaped portion 35₂₂Usually 0.5mm or more, preferably 1.5mm or more, more preferably For 2mm or more, further preferably 3mm or more, and usually 20mm or less, preferably 15mm or less, more preferably 10mm It below, is more preferably 8mm or less, particularly preferably 6mm or less.It should be noted that in the case where wave pattern structure, The depth D of through hole 21b₂₁Numberical range same as the height in above-mentioned next door 30 can be taken.In addition, the depth in lining portion 36 D₂₁Relative to interval L₂₁The ratio between can take with above-mentioned 21 depth of through hole relative to the same numberical range in the ratio between aperture.

In the case that next door 30 constitutes above-mentioned wave pattern structure, the manufacturing method of porous chips 100 is not particularly limited, can To utilize the manufacturing method of well known wave pattern structure.For example, the flat of next door 30 will be formed first as third manufacturing method The substrate forming of dough sheet shape be it is wavy, obtain channel-shaped portion 35.Then, it is coated with bonding on the outside at the top of the waveform in channel-shaped portion 35 Agent.Further, multiple channel-shaped portions 35 are replaced into stickup with multiple lining portions 36.Then, by after stickup channel-shaped portion 35 and lining Portion 36 according to through hole 21b depth D₂₁Mode as desired length is cut off along the plane direction, and thus, it is possible to produce this Structure.

It should be noted that being illustrated the wave period in multiple channel-shaped portions 35 under overlook view in present embodiment Unanimously, according to the positional relationship progress lamination for appearing in same position at the top of waveform is constituted the case where, but the position in channel-shaped portion 35 Setting relationship, it's not limited to that.In multiple channel-shaped portions 35, the position of waveform can periodically be deviated, can also be with random offset. For example, the waveform across adjacent channel-shaped portion 35, lining portion 36 can be deviated by the amount of half period, according to each waveform of composition The mode of the opposed positional relationship of top and bottom carries out lamination.

[absorbent core]

Absorbent core 41 is the component for absorbing and keeping the cushion of liquid.As shown in Fig. 2, absorbent core 41 includes high-selenium corn Property polymer (SAP (Superabsorbent polymer), also referred to as super absorbent polymer or super absorbent resin) 42 And fibrous material 43.Absorbent core 41 is formed and mixing superabsorbent polymer 42 in fibrous material 43.Undulation degree Material 43 is that have hydrophilic superfine fiber winding and formed.Superabsorbent polymer 42 with fibrous material 43 by mixing And is usually buried and be maintained in fibrous material 43.Superabsorbent polymer 42 can absorb what holding was spread by fibrous material 43 Liquid.

As superabsorbent polymer 42, can be used in the absorbent commodity of disposable urine napkin or diaper etc by with Make the various well known substances of the material of absorber.As superabsorbent polymer 42, such as Starch with Acrylic Acid can be used (salt) graft copolymer, starch acrylonitrile copolymer it is saponified, Starch with Acrylic Acid ethyl ester graft copolymer saponified etc. Starch-series；The cross-linking agent of sodium carboxymethylcellulose etc. is cellulose-based；Acrylic acid (salt) polymer, polyvinyl alcohol-maleic anhydride are anti- Answer the substance of the synthetic polymers such as cross-linking agent of object system.These substances can be used alone, 2 kinds can also be applied in combination with On.The shape of superabsorbent polymer 42 is not particularly limited, can be used for example granular, powder shaped, partical, sol form, The polymer of the shapes such as membranaceous, fibrous.

As fibrous material 43, it can be cited for example that the cellulose-based fibre such as paper pulp fiber, rayon fiber, cotton fiber Dimension；Material obtained from hydrophilicity-imparting treatment is implemented for synthetic fibers such as polyethylene, polypropylene, polyethylene terephthalates Material.These materials can be used alone, two or more can also be applied in combination.

[absorber]

Absorber 40 is excretion moisture that is absorbable and keeping the urine drained by wearer or menses etc with imbibition The component of the cushion (mat shape or pad shape) of property.Wherein, the absorber 40 of present embodiment, which can absorb, brings porous chips 100 into Soft stool in slave porous chips 100 flow out liquid component.As shown in Figure 1, nappy 300 is built-in with across predecessor 300A, crotch Portion 300B and rear body 300C and the absorber 40 extended in length direction.Here it is illustrated the width direction ruler of crotch 300B The absorber 40 of the very little hourglass shape less than predecessor 300A and rear body 300C.Wherein, top view shapes of absorber 40 and unlimited It, can also be to be rectangle (i.e. width direction size is certain) under overlook view, can also be connection in above-mentioned such hourglass shape The dumbbell shape of each circular predecessor 300A and rear body 300C.

Absorber 40 has absorbent core 41 and covering piece 44.Absorber 40 is by by the covering piece 44 of absorbent core 41 It coats and is formed.Skin opposite surface side (upper surface side in Fig. 2) of the cladding of covering piece 44 comprising absorbent core 41 and skin Entire absorbent core 41 including non-opposite surface side (side below in Fig. 2).

Covering piece 44 is the sheet component for coating absorbent core 41.It, can by coating the covering piece 44 of absorbent core 41 Ensure the shape stability of absorbent core 41.

Covering piece 44 can be formed by the well known materials for being used for absorbent commodity.Such as tissue paper etc can be used Paper；Nonwovens of spunbond, needlepunched nonwoven cloth, spun lacing (spunlace) method non-woven fabrics, hot-wind nonwoven cloth, SMS (Spunbound Meltblown Spunbound, anti-sticking melt-blown are anti-sticking compound) non-woven fabrics etc..

[laminate]

Laminate 200 is top flat 51 and absorber 40 to be respectively configured and in absorber in two main surface sides of porous chips 100 40 laminate structure that tergite 55 is equipped with the face for the face opposite side for being equipped with porous chips 100.Wherein, the configuration of top flat 51 is more The surface of the opposite surface side of the skin of hole piece 100.In addition, absorber 40 and the configuration of tergite 55 are non-opposite in the skin of porous chips 100 The surface of surface side.Top flat 51 can be utilized respectively with porous chips 100, porous chips 100 and absorber 40, absorber 40 and tergite 55 Bonding agent well known to hot-melt adhesive etc. is fixed.

Top flat 51 is disposed on the sheet component near the opposite surface side of skin in laminate 200.Top flat 51 plays conduct The function of spacer between the skin surface and porous chips 100 of wearer.The width direction size of the top flat 51 is greater than Porous chips 100 and absorber 40, from the opposite surface side covering porous chips 100 of skin and absorber 40.In addition, in 300 quilt of nappy In the state of dress, top flat 51 is contacted with the skin of wearer, makes to drain moisture and penetrate and be absorbed body 40 to absorb.Therefore, it pushes up At least part of piece 51 is all made of the material with water penetration.In addition, the reason of fitness when wearing, excellent Top flat 51 is selected to be made of the high material of flexibility.In addition, preferably top flat 51 is by having both in order to inhibit the feeling of oppression and heat under wearing effect The material of aeration is constituted.

In addition, as shown in Figure 1 and Figure 2, top flat 51, which has, passes through portion 52.Excreta is set to pass through top flat 51 by portion 52.Excretion In object, at least pass through solid component by portion 52.Specifically, can make logical as becoming point for solid component in soft stool It crosses.It goes without saying that also passing through liquid component while passing through by the solid component that portion 52 includes in making soft stool.I.e., it is possible to Pass through excrement and moisture together.

It is formed by portion 52 by hole, the slit etc. for being set to top flat 51.Among these, in terms of soft stool is by easiness It sets out, is preferably provided with hole, from the contact aspect for exposing, the inhibition and the skin of wearer for reducing porous chips 100, preferably Slit is set.In present embodiment, the case where as providing holes is illustrated by portion 52.

Hole set on top flat 51 be arranged and top flat 51 is cut or is punched, the opening in impenetrating thickness direction Portion.It is not particularly limited by the shape in the hole in portion 52, it can be cited for example that circle, ellipse, oblong, semicircle, polygon The shapes such as shape, amorphous.

Slit set on top flat 51 is the notch being arranged by cutting top flat 51.The direction of slit can be top flat 51 Length direction, can for direction orthogonal to the longitudinal direction, or relative to the inclined direction of length direction.In addition, narrow The shape of seam is not particularly limited, and can be linear, can be zigzag or curve-like.Nappy 300 is not worn When slit be closed, nappy 300 is worn by wearer, top flat 51 deforms in the way of stretching along the plane direction, by Slit is unfolded in this, forms the space for passing through solid component.

Size as the hole or slit that are arranged by portion 52 is not particularly limited, usually 0.5cm or more, preferably 1cm or more, more preferably 1.5cm or more, and usually 5cm or less, preferably 3cm or less, more preferably 2cm or less.If When size in hole or slit by portion 52 is above-mentioned lower limit value or more, it is easy to make the solid component for including in excreta logical It crosses.When size set on hole or slit by portion 52 is above-mentioned upper limit value or less, it is easy to inhibit the reduction of the intensity of top flat 51, It is easy the reduction for the skin sense of touch for inhibiting the skin of wearer with porous chips 100 caused by contacting by portion 52.

In present embodiment, configured by portion 52 throughout entire top flat 51.Top is preferably arranged at by portion 52 The podex of at least wearer in piece 51 or the position on its periphery.Thus the soft stool excreted from anus is made to be easy to pass through top flat 51.In addition, being arranged by the near the perimeter of peripheral portion of conduct that portion 52 preferably avoids top flat 51.In other words, excellent by portion 52 Central portion or the central portion periphery of top flat 51 is arranged in choosing.Thus, it is possible to avoided passing through the excrement of top flat 51 be not included into it is more The case where being leaked out in hole piece 100 from the outer edge of porous chips 100.

As the material for constituting top flat 51, can be used such as woven fabric, non-woven fabrics, porous membrane.Alternatively, as top Piece 51 can be used and implement hydrophilicity-imparting treatment to the fiber of the thermoplastic resins such as polypropylene, polyethylene, polyester, nylon and be made The material of non-woven fabrics.As the non-woven fabrics for constituting top flat 51, Nonwovens of spunbond, needlepunched nonwoven cloth, spun lacing can be used (spunlace) method non-woven fabrics, hot-wind nonwoven cloth, melt spraying non-woven fabrics, SMS non-woven fabrics etc..

Tergite 55 is to configure in laminate 200 in the sheet component near the non-opposite surface side of skin.Tergite 55 relative to Absorber 40 is configured in the non-opposite surface side of skin, can prevent excreta from draining to the non-opposite surface side of skin from absorber 40.Therefore, it carries on the back Piece 55 with non-permeable material by constituting.In addition, tergite 55 is preferably by having both in order to inhibit the feeling of oppression and heat under wearing effect The material of penetrability is constituted.

As the material for constituting tergite 55, the thermoplastic resin sheet such as polyethylene, polypropylene can be used.Wherein, make For tergite 55, it is preferable to use being formed with micro- porosity thermoplastic resin sheet in multiple 0.1~0.4 μm of fine hole.As this The piece obtained as follows can be used in the piece of sample: for example, in thermoplastic resin resin be kneaded inorganic filler and carry out piece at Type is stretched later, uses obtained.

[lateral plate, sheets]

Diaper 100 is further equipped with lateral plate 61 and sheets 62 relative to 200 lamination of laminate.Lateral plate 61 is configured in layer The width direction side of product body 200.In addition, sheets 62 is configured in the non-opposite surface side of skin of laminate 200.Lateral plate 61 and cover Piece 62 can use bonding agent well known to hot-melt adhesive etc. with laminate 200 and be fixed.

Lateral plate 61 is the component for forming three-dimensional rivel 71 in the both sides of laminate 200.Lateral plate 61 is separately positioned on The width direction side of piece 51,55.61 lamination of lateral plate is in the opposite surface side of skin of the width direction side of top flat 51, and lamination In the opposite surface side of skin of the width direction side of tergite 55.

In order to prevent to the leakage of width direction side, lateral plate 61 with non-permeable material preferably by constituting.As Lateral plate 61, can be used Nonwovens of spunbond.In addition, a part of lateral plate 61 be configured in nappy 300 near skin Opposite surface side (being based on this, lateral plate 61 is also referred to as " top flat " in the same manner as top flat 51).As can be contacted like this with wearer Lateral plate 61, it is preferable to use as (Spunbound Meltblown Meltblown Spunbound prevents by SMS non-woven fabrics or SMMS Viscous melt-blown is anti-sticking compound) the non-woven fabrics Nonwovens of spunbond that makes flexibility be improved by the inclusion of meltblown layer in this way.Or It is preferable to use the fineness or weight per unit area by inhibiting the fiber for forming Nonwovens of spunbond to obtain flexibility by person The Nonwovens of spunbond of raising.

It should be noted that " fineness " is parameter corresponding with the fiber footpath of fiber (rugosity), sectional area, with every regulation The weight of length indicates.For example, the grams (danier) of every 9000m is used as " fineness " for a fiber.

In addition, " weight per unit area " is parameter corresponding with the thickness of piece or lamination degree, with the weight of unit area Amount is to indicate.For example, the grams of each square meter is used as " weight per unit area ".

Sheets 62 is the sheet component from the non-opposite surface side coating product body 200 of skin.Sheets 62 passes through in nappy 300 Middle configuration is being used to enhance tergite 55 near the non-opposite surface side of skin, is keeping the feel (sense of touch) of tergite 55 good.Herein, it is carrying on the back The width direction side of piece 55 is overlapped sheets 62 across lateral plate 61.As sheets 62, from the opposite surface side of skin towards the non-phase of skin To surface side sequentially lamination the first sheets 63, the second sheets 64, third sheets 65 this three.

First sheets 63 (is based on this, the first sheets 63 from the non-opposite surface side covering absorber 40 of skin across tergite 55 Referred to as " pad sheets ").

The width direction size of second sheets 64 and third sheets 65 in predecessor 300A and rear body 300C (referring to Fig. 1) is set It is so fixed that be greater than the first sheets 63, it is configured under wearing effect around the buttocks of wearer, waist, abdomen etc..Third sheets 65 It is configured in that (based on this, third sheets 65 is also referred to as " cover sheet ", the near the non-opposite surface side of skin in nappy 300 Two sheets 64 are also referred to as " interior sheets ").

As the material for constituting sheets 62, it can be cited for example that woven fabric, non-woven fabrics etc..Wherein it is preferable to use by poly- second Non-woven fabrics, the Wet-laid non-woven fabric of the thermoplastic resins such as alkene, polypropylene, polyester composition.Especially for ensure sense of touch (feel), from It sets out in terms of flexibility, as sheets 62, Nonwovens of spunbond can be suitably used.

As shown in Figure 1, the respective width direction end edge portion 62a of sheets 62 of the sheets 62 of predecessor 300A and rear body 300C that This mutually pastes (so-called " side seal ").In this way, each sheets 62 of predecessor 300A and rear body 300C are continuously arranged, underwear type is formed Nappy 300.

[rivel]

Then, the rivel 70 of nappy 300 is described referring to Figures 1 and 2.

Rivel 70 is made of piece complex, in the piece complex, having for rubber or polyurethane, Flexible film etc is flexible Property component (retractility component) be clipped between the pieces such as non-woven fabrics with tensional state and fixed by hot melt etc., thus make it have Retractility.In power (the post-equalization power, elasticity that retractility component restores from tensional state to original state (state of natural length) Power) under the action of, which is in the pieces such as non-woven fabrics with crenulate state.Herein, it as retractility component, illustrates Linear rubber components (hereinafter referred to as " line rubber ") 80 is gone out.

In the nappy 300, as the rivel 70 formed by line rubber 80, can example go out to utilize three kinds of line rubber 81,82, 83 impart three kinds of rivels 71,72,73 of retractility.One is that the skin forward surface side edge of lateral plate 61 utilizes First Line rubber Glue 81 makes it have the three-dimensional rivel 71 (also referred to as " side rivel ") of fold.Another one is the second sheets 64 and third sheets 65 (referring to fig. 2) the abdomen rivel (タミーギャザ of fold is made it have using the second line rubber 82 (only having symbol at one) ー)72.One is that the width direction end edge portion of the non-opposite surface side of skin of lateral plate 61 utilizes third line rubber 83 (in Fig. 1 again Illustration omitted) make it have the second three-dimensional rivel 73 (illustration omitted in Fig. 1) of fold.

Three-dimensional rivel 71 is to prevent excreta and improving the tracing ability to wearer on the periphery of vented position Width direction side leakage and be arranged.Specifically, as shown in Fig. 2, in three-dimensional rivel 71, positioned at the flesh of lateral plate 61 The piece portion 61a of end edge portion on the inside of the width direction of the opposite surface side of skin, 61b are folded and are overlapped.First extended in length direction Line rubber 81 is surrounded by these piece portions 61a, 61b.

Abdomen rivel 72 be in order to improve the buttocks to wearer, underbelly tracing ability and be arranged.Specifically, exist In abdomen rivel 72, the multiple second line rubber 82 extended in width direction are clamped as weft or warp in flat fabric Between the second sheets 64 and third sheets 65 (referring to fig. 2).

Second three-dimensional rivel 73 is arranged to improve tracing ability in crotch 300B.Specifically, in the second solid In rivel 73, the end edge portion on the outside of the width direction of the non-opposite surface side of skin of lateral plate 61 is equipped with third line rubber 83.

In addition it is also possible to further or instead of above-mentioned rivel 71,72,73 be equipped with other than above-mentioned rivel 71,72,73 For improving the leg rivel of the tracing ability to the thigh root of wearer.

[variation about porous chips]

In the above description, it has enumerated in case where porous chips 100 have piece main body 10 and has been illustrated, the piece main body Next door 30 with the plate for constituting honeycomb pattern structure, and form the through hole 21a surrounded by the next door 30.In addition, right In the structure of the honeycomb pattern be by through hole 21a and the pore chamber being made of the hole locular wall 31 of the plate of encirclement through hole 21a 11a more are illustrated the case where set (referring to Fig. 3, Fig. 4).Ripple is constituted in addition, having enumerated porous chips 100 and having had It is illustrated in case where the next door 30 of patterning.It's not limited to that for the composition of porous chips 100, divides as long as having The next door 30 for forming through hole 21 can take the circumstances into consideration to change.For example, the next door 30 of porous chips 100 may be constructed core pattern Structure, the structure of the core pattern is made of having the multiple laminations in channel-shaped portion of columned repetitive structure.Alternatively, as schemed 7, shown in Fig. 8, the next door 30 of porous chips 100 be may be constructed structure made of more set of through hole 21c and pore chamber 11c, Pore chamber 11c surrounds through hole 21c, is made of the thickness hole locular wall 38 thicker than the hole locular wall 31 of above-mentioned plate.It needs to illustrate , in Fig. 7, Fig. 8, one in pore chamber 11c is surrounded with double dot dash line and is shown.The structure is illustrated below.

The shape of pore chamber 11c in the porous chips 100 of the variation is not particularly limited, it can be cited for example that triangle, The polygons such as quadrangle, pentagon, hexagon.Wherein preferred equilateral triangle, square, regular hexagon, more preferably square, just Hexagon, further preferred regular hexagon.In the case that the shape of pore chamber 11c is polygon, is formed and illustrated in embodiment The same patterning of honeycomb pattern.It should be noted that the shape of pore chamber 11c may be randomly shaped.Such case Under, through hole 21c can be configured with random size, position.

Shape in the section view of through hole 21c inside pore chamber 11c is not particularly limited, it can be cited for example that circle Polygons such as shape, ellipse, oblong or triangle, quadrangle, pentagon, hexagon etc..Wherein circular, square, Regular hexagon.From improving the voidage of porous chips 100, increasing the volume aspect of through hole 21c, through hole 21c's is cut Shape in the view of face is preferably correspondingly formed with the shape in the section view of pore chamber 11c.For example, the shape of pore chamber 11c is In the case where regular hexagon, the shape of preferably through hole 21c is also regular hexagon.Alternatively, what the shape of pore chamber 11c was square In the case of, the shape of preferably through hole 21c is also square.On the other hand, it is improved from the thickness by increasing next door 30 more It sets out in terms of the intensity of hole piece 100, the shape in the section view of through hole 21c can be circle.Example in this variation Show shape of the pore chamber 11c under cross-section observation with regular hexagon, through hole 21c has circular shape under cross-section observation The case where shape.

The voidage of the porous chips 100 of variation is preferably 50% or more, is more preferably 60% or more, is more preferably 70% or more, it is particularly preferably 75% or more, and preferably 95% or less, 90% or less is more preferably, is more preferably 85% or less, it is particularly preferably 80% or less.When the voidage of porous chips 100 is above-mentioned lower limit value or more, it is easy to ensure that being used for The internal capacity of soft stool is included in through hole 21c.In addition, being easy that porous chips 100 is made to occur bending and deformation.Porous chips 100 When voidage is above-mentioned upper limit value or less, the rigidity in next door 30 increases, and is easy to increase to strain resistant or deformation intensity.

Mode phase made of gathering the pore chamber 11a being made of the hole locular wall 31 of plate more with what is illustrated in embodiment Than in the porous chips 100 of variation, thus the intensity to external force resistance is can be improved in the thickness relative increase of hole locular wall 38, from this side It is preferred that face, which is set out,.On the other hand, from the lightweight of porous chips 100, the increase of the volume of through hole 21, in thickness direction It sets out in terms of the raising of processability caused by bending easiness and fit sense, the hole being preferably made of the hole locular wall 31 of plate Mode made of more set of room 11a.It should be noted that from the compressive strength aspect for improving unit intensity, it is also excellent The case where choosing gathers the pore chamber 11a being made of the hole locular wall 31 of plate more.

In the case that next door 30 constitutes above structure, the manufacturing method of the porous chips 100 of variation is not particularly limited, It can use known production method.For example, can be manufactured as follows as the 4th manufacturing method: for having and through hole The depth D of 21c₃₁The block parts of corresponding thickness are cut using perforating press etc. and through hole 21c are arranged, or made It is perforated with perforating press or laser etc. and through hole 21c is set, thus manufacture porous chips.

In addition, as the 5th manufacturing method, it first will be as paper, synthetic paper, synthetic resin, the cloth for constituting next door 30 etc. Paper pulp, thermoplastic resin, fiber of raw material etc., which are supplied to, has multiple columns corresponding with the shape of through hole 21c in inside In the template content device of protruding portion.Then, template content device is obtained by the heat treatment of template content device, drying process etc. The aggregation that interior raw material is molded with.Further aggregation after molding is taken out from template content device, according to through hole 21c depth D₃₁Mode as desired length is cut off, and porous chips can be thus manufactured.

[second embodiment]

Then, the structure with porous chips 100 and nappy 300 is included in referring to soft stool of Fig. 9~Figure 13 to second embodiment At being illustrated.In the composition of the nappy 300 of second embodiment, other than the composition of porous chips 100, implement with first The nappy 300 of mode is identical.Therefore, in the related description of following second embodiments, it is absorbed in second embodiment Referring to Fig.1~Fig. 8 is illustrated in the composition different from the porous chips 100 of first embodiment of porous chips 100 Element assigns symbol identical with FIG. 1 to FIG. 8 and is suitable for that the description thereof will be omitted.

[porous chips]

The porous chips 100 of second embodiment are that soft stool is brought into its inside and is prevented in the same manner as first embodiment The sheet component that soft stool is spread to transverse direction (face direction) can be located as soft stool and be included in use porous chips.Second embodiment In the composition of porous chips 100, mainly there is aftermentioned on this point of penetrating hole 22 to be different from the first embodiment, for other Basic constitute with first embodiment is likewise, quoting in first embodiment the explanation of<the basic compositions of porous chips>simultaneously It is omitted to describe in detail.

Fig. 9 is the sectional view of the nappy 300 of second embodiment, be from the II-II of Fig. 1 to from being carried out depending on section Figure.As shown in figure 9, the side surface part of 100 next door 30 of porous chips, which has, penetrates hole 22.Through next door 30 and make adjacent through hole 22 Through hole 21 be connected to, while penetrate moisture between adjacent through hole 21.Moisture described herein include for example urine or The liquid component etc. for including in soft stool.Preferably at least penetrate liquid moisture through hole 22.In addition, through hole 22 in addition to making Other than liquid moisture penetrates, gasiform moisture (vapor) can also be made to penetrate.Hole 22 is penetrated by having, is brought into Moisture inside porous chips 100 can be by through hole 22 and through next door 30.Moisture expands to adjacent through hole 21 as a result, In, it is spread in porous chips 100.It should be noted that can also make to wrap in soft stool other than penetrating moisture through hole 22 The solid component contained penetrates.But such size through hole 22 is bigger, shared area tends to increase in next door 30 Greatly.In this case, the intensity in next door 30 may reduce.Therefore, typically at least penetrate moisture through hole 22.

It is not particularly limited through the setting position in hole 22, is preferably not arranged in the next door of the outermost wall positioned at piece main body 10 It is arranged in 30 in the next door 30 of the inside of piece main body 10.Pass through moisture set on the saturating of the inside of piece main body 10 Via hole 22, so as to extend moisture between the adjacent through hole 21 inside piece main body 10.In addition, moisture can be prevented logical Cross flowing out through hole 22 from the side of porous chips 100 for the side set on piece main body 10.Therefore, from the end face 10a of porous chips 100 It flows into and the moisture spread in porous chips 100 can be flowed out from the end face side 10b of porous chips 100.In addition, porous using being set to The absorber 40 of the non-opposite surface side of the skin of piece 100, can make the moisture flowed out from porous chips 100 exist side by side by end face 10b It is absorbed.

It is not particularly limited through the shape in hole 22, it can be cited for example that circle, ellipse, oblong, semicircle, polygon Shape, amorphous etc..Alternatively, next door 30 can have porous structure, which has connection next door 30 in inside Multiple gaps, the gap can be played as the function through hole 22.In addition, the number through hole 22 set in next door 30 It is not particularly limited, as long as meeting aftermentioned through porosity, can also take the circumstances into consideration to change.

It is not particularly limited through the aperture in hole 22, preferably 0.1mm or more, more preferably 0.5mm or more, preferably 3mm or less, more preferably 1mm or less.When aperture through hole 22 is above-mentioned lower limit value or more, it is easy to pass through moisture through hole 22 and penetrate next door 30.When aperture through hole 22 is above-mentioned upper limit value or less, it is easy to prevent the reduction of the intensity in next door 30.It needs It is noted that the aperture through hole 22 refers to the diameter with the circle (inscribed circle) being inscribed through hole 22.

The degree through hole 22 being set in next door 30 can be opposite by total area of the opening area through hole 22 It is indicated in the ratio (penetrate porosity) of the area in next door 30.The transmission porosity of porous chips 100 is preferably 10% or more, more preferably It is 20% or more, preferably 50% or less, more preferably 30% or less.When through porosity to be more than above-mentioned lower limit value, it is easy to make Moisture is by penetrating next door 30 through hole 22.When through porosity for below above-mentioned upper limit value, it is easy to prevent the intensity in next door 30 Reduction.

As the material for constituting porous chips 100, it can be cited for example that paper, synthetic paper, conjunction in the same manner as first embodiment At resin, non-woven fabrics etc..About the preferred principal component of these materials, raw material, preparation method, paper weight, weight per unit area etc., help With the explanation of<materials of porous chips>in first embodiment and omits its and describe in detail.

In the porous chips 100 of second embodiment, preferably 21 depth of through hole is greater than aperture.That is, 21 depth of through hole 1 is preferably greater than relative to the ratio between aperture (slenderness ratio).About the preferred value as 21 depth of through hole relative to the ratio between aperture Range quotes the explanation in<depth is relative to the ratio between aperture>in first embodiment and omits its narration in detail.

<thickness, height, aperture>

The aperture of the thickness in next door 30, the height in next door 30 and through hole 21 is not particularly limited, about the excellent of them Numberical range is selected, the explanation, the explanation of<height>and explanation and the province in<aperture>of<thickness>in first embodiment are quoted Slightly it is described in detail.

In porous chips 100, in the same manner as first embodiment, become in order to prevent by power that wearer is applied Shape is preferably high to incompressible intensity (compressive strength).The compression of compressive strength and its unit intensity about porous chips 100 The preferred value range of intensity quotes the explanation of<compressive strength>in first embodiment and omits its narration in detail.

In porous chips 100, in the same manner as first embodiment, from being easy to be included in soft stool in through hole 21 and improve It sets out in terms of the compressive strength of unit intensity, preferably voidage is high.The preferred value model of voidage about porous chips 100 It encloses, quote the explanation of<voidage>in first embodiment and omits its narration in detail.

In porous chips 100, in the same manner as first embodiment, from intensity, ease of manufacturing aspect, preferably have The pore chamber 11a being made of under overlook view through hole 21 and next door 30, the repetitive structure that 11b periodically occurs.Specifically It says, the next door 30 of preferably encirclement through hole 21 constitutes round or polygon repetitive structure, more preferably constitutes and the first embodiment party The structure of the same honeycomb pattern of Fig. 3, Fig. 4 of formula (referring to Figure 10, Figure 11).Or preferably surround 30 structure of next door of through hole 21 At wave pattern structure same as Fig. 5, Fig. 6 of first embodiment (referring to Figure 12, Figure 13).Successively to their structure into Row explanation.It should be noted that Figure 10~Figure 13 shows the perspective view of porous chips 100 (piece main body 10) and cutting for next door 30 Face figure, but take out a part in repetitive structure possessed by porous chips 100 and next door 30 only to show.

As shown in Figure 10, Figure 11, in porous chips 100, next door 30 preferably comprises honeycomb pattern structure, the honeycomb pattern structure It is to make made of more set of the internal polygon pore chamber 11a with polygon through hole 21a.Shown in Figure 10, Figure 11 Honeycomb pattern structure constituent element and pore chamber 11a preferable shape, quote in first embodiment < knot of honeycomb pattern Structure > explanation and omit its in detail describe.

As shown in Figure 10, Figure 11, next door 30 is formed and making 32 multilayer lamination of base part.In second embodiment, base Material portion 32 repeats have the first parallel portion 32a, the first inclined plane part 32b, the second parallel portion 32c and the second inclined plane part in face direction 32d sequentially continuous concaveconvex structure.First parallel portion 32a, the first inclined plane part 32b, the second parallel portion 32c and the second inclined plane part 32d all has roughly the same length.First parallel portion 32a is parallel to each other with the second parallel portion 32c, and also with base part 32 Extending direction it is parallel.First inclined plane part 32b, the second parallel portion 32c and the second inclined plane part 32d sequentially form the interior angle on bottom edge Be 60 degree of isosceles trapezoid bottom edge other than side shape.In addition, the second inclined plane part 32d, the first parallel portion 32a and One inclined plane part 32b sequentially form bottom edge interior angle be 60 degree isosceles trapezoid bottom edge other than side shape.Also, pass through These shapes are alternately repeated and form concaveconvex structure.In base part 32, above-mentioned concaveconvex structure is extended in thickness direction.In addition, phase Adjacent base part 32 is to form the first parallel portion 32a or the second parallel portion 32c the positional relationship phase opposited to each other of protrusion It connects, by being bonded the face to form adhesive portion 33.Such as starch, heat molten type, synthetic resin emulsion type, tree can be used in bonding Bonding agent well known to lipoprotein solution type etc. carries out.

In the case that next door 30 constitutes honeycomb pattern structure, pore chamber 11a is regular hexagon, the aperture of through hole 21a by Interval L between the opposite side of pore chamber 11a₁₁To indicate.As the interval L between the opposite side of pore chamber 11a₁₁Preferably The depth D of numberical range, through hole 21a₁₁And the depth D of pore chamber 11a₁₁Interval L between opposite side₁₁The ratio between with It is identical in one embodiment, it quotes explanation above-mentioned and omits its narration in detail.

It is opposite in being made of the first parallel portion 32a and the second parallel portion 32c for pore chamber 11a in second embodiment Two sides are respectively equipped with through hole 22a.In addition, being made of the first inclined plane part 32b and the second inclined plane part 32d in pore chamber 11a Two groups of opposite sides are respectively equipped with through hole 22b, 22c.Thereby, it is possible to make the moisture in through hole 21a by through hole 22a~ 22c and the through hole 21a for being circulated to adjacent pore chamber 11a.In this case, Tu11Zhong can be such that moisture passes through through hole 22a ~22c and circulate between adjacent pore chamber 11a and the direction that tilts adjacent pore chamber 11a in above-below direction.Such case Under, porous chips 100 can be such that the moisture in through hole 21a balances in entire porous chips 100 to disperse well.

Through hole 22 be not limited to referring to Fig.1 0, the setting that is illustrated of Figure 11 penetrate the mode of hole 22a~22c, can also To take the circumstances into consideration to change.For example, through in the 22a~22c of hole, can only be arranged opposed any 1 group be not provided with through hole 22 other 2 Group.As an example, it can only be arranged through hole 22a and be not provided with through hole 22b, 22c.In this case, Tu11Zhong can make Moisture through between hole 22a in above-below direction adjacent pore chamber 11a by circulating.In this way, by adjacent pore chamber 11a it Between only opposed one side next door 30 setting penetrate hole 22, can make moisture transmission have directionality.At this point, for example, only It can be according to the length of up and down direction and nappy 300 in Figure 11 of the porous chips 100 equipped with the porous chips 100 through hole 22a The parallel mode in degree direction is configured.In this case, porous chips 100 can be by the moisture in through hole 21a along nappy 300 length direction guides.As a result, for example, can make to bring the moisture court in porous chips 100 near crotch 300B It is spread to the length direction of predecessor 300A or rear body 300C.

In the case that next door 30 constitutes the structure of above-mentioned honeycomb pattern, as the manufacturing method of porous chips 100, it can apply The first manufacturing method or the second manufacturing method illustrated in first embodiment.In the case where the first manufacturing method of application, When obtaining being shaped to concavo-convex base part 32, perforating press or laser etc. can be used for example and perforate to base part 32, Thus setting penetrates hole 22a~22c.In the case where the second manufacturing method of application, lamination object made of substrate lamination is being obtained In the case where, perforating press etc. can be used for example, base part 32 cut or using perforating press or laser etc. to base Material portion 32 perforates, and thus setting penetrates hole 22a~22c.

As shown in Figure 12 and Figure 13, in porous chips 100, next door 30 is preferably comprised by wavy channel-shaped portion 35 and flat The wave pattern structure that the repetition in lining portion 36 is constituted.Pore chamber 11b by through hole 21b and surround through hole 21b plate hole Locular wall 34 is constituted, which is made of channel-shaped portion 35 and the lining portion 36 to connect in adhesive portion 37 with channel-shaped portion 35.Also, Porous chips 100 are formed and multiple pore chamber 11b to be mutually adjacent to set.It should be noted that in Figure 13, by pore chamber 11b In one with double dot dash line encirclement show.

Next door 30 passes through the alternately laminated formation in channel-shaped portion 35 and more than 36, lining portion.Channel-shaped portion 35 repeats to have in face direction There are top 35a, the first middle part 35b, bottom 35c, the second middle part 35d sequentially continuous waveform configuration.It, should in channel-shaped portion 35 Waveform configuration through-thickness carries out extended.Lining portion 36 is flat plate-shaped member.At this point, the top of the waveform in channel-shaped portion 35 Portion 35a connects with the lining portion 36 being oppositely arranged in the side in channel-shaped portion 35.In addition, the bottom 35c of the waveform in channel-shaped portion 35 with Connect in the lining portion 36 that the other side in channel-shaped portion 35 is oppositely arranged.Then, top 35a and bottom the 35c difference in channel-shaped portion 35 It is Nian Jie with opposite lining portion 36, adhesive portion 37 is consequently formed.The case where with the structure of honeycomb pattern, is same, and bonding can be used Well known bonding agent carries out.

In the case that next door 30 constitutes wave pattern structure, the bending easiness of porous chips 100 is according to lining portion 36 Extended direction and show anisotropy.The relationship in the extended direction of the bending easiness and lining portion 36 about porous chips 100, It is identical as these relationships in first embodiment, it quotes above-mentioned explanation and omits its narration in detail.

In the case that next door 30 constitutes wave pattern structure, as shown in figure 13, the aperture of through hole 21b can be by lining The interval L in portion 36₂₁To indicate.In this case, the interval L as lining portion 36₂₁Preferred numberical range, channel-shaped portion 35 The spacing L of waveform₂₂, through hole 21b depth D₂₁And the depth D in lining portion 36₂₁Relative to interval L₂₁The ratio between with it is first real Apply it is identical in mode, quote above-mentioned explanation and omit its in detail describe.

In second embodiment, in the channel-shaped portion 35 of pore chamber 11b, it is equipped in the first middle part 35b and penetrates hole 22d, Second middle part 35d, which is equipped with, penetrates hole 22e.Hole 22f is penetrated in addition, being equipped in the lining portion 36 of pore chamber 11b.Thereby, it is possible to make Moisture in through hole 21b is circulated by the through hole 21b through hole 22d~f and adjacent pore chamber 11b.In this case, In Figure 13, moisture can be made to pass through the pore chamber 11b and left and right directions adjacent in tilted upward direction through hole 22d~22f It circulates between adjacent pore chamber 11b.In this case, porous chips 100 can make the moisture in through hole 21b in entire porous chips It balances in 100 and disperses well.

Through hole 22 be not limited to referring to Fig.1 2, the setting that is illustrated of Figure 13 penetrate the mode of hole 22d~22f, can also To take the circumstances into consideration to change.For example, can only be arranged in channel-shaped portion 35 through in the 22d~22f of hole and penetrate hole 22d, 22e, and in lining portion 36 are not provided with through hole 22f.In this case, Tu13Zhong can make moisture by through hole 22d, 22e and phase in left and right directions It circulates between adjacent pore chamber 11b.In this way, by being only arranged in the next door 30 for constituting channel-shaped portion 35 between adjacent pore chamber 11b Through hole 22d, 22e, it can make the transmission of moisture that there is directionality.At this point, for example, being provided only with through hole 22d, 22e's is porous Piece 100 can be carried out according to the mode parallel with the length direction of nappy 300 of the left and right directions in Figure 13 of the porous chips 100 Configuration.In this case, porous chips 100 can draw the moisture in through hole 21b along the length direction of nappy 300 It leads.As a result, for example, can make to bring into moisture in porous chips 100 near crotch 300B towards predecessor 300A or rear body The length direction of 300C is spread.

It, can be using the as the manufacturing method of porous chips 100 in the case that next door 30 constitutes above-mentioned wave pattern structure The third manufacturing method illustrated in one embodiment.In the case where application third manufacturing method, the flat of next door 30 will formed It, can be by using such as perforating press or laser etc. to channel-shaped when the substrate forming of dough sheet shape obtains channel-shaped portion 35 to be wavy It is perforated to be arranged through hole 22d~22f in portion 35.

It should be noted that in the present embodiment, being illustrated the wave period in multiple channel-shaped portions 35 in overlook view The case where lower consistent, according to the positional relationship progress lamination for appearing in same position at the top of waveform, but the position in channel-shaped portion 35 It's not limited to that for relationship.In multiple channel-shaped portions 35, the position of waveform can periodically be deviated, can also be with random offset.Example Such as, the waveform across adjacent channel-shaped portion 35, lining portion 36 can be deviated by the amount of half period, according to the top for constituting each waveform The mode of portion's positional relationship opposed with bottom carries out lamination.

In second embodiment, absorbent core 41, superabsorbent polymer 42, fibrous material 43, absorber 40, covering piece 44, laminate 200, top flat 51, can be with by each component of portion 52, tergite 55, lateral plate 61, sheets 62 and rivel 70 It is constituted in the same manner as the corresponding element illustrated in first embodiment, quote above-mentioned explanation and omits its narration in detail.

[about the aperture and configuration for penetrating hole]

In the above description, it is illustrated in case where the transmission hole 22 for having enumerated configuration same apertures.Through hole 22 aperture is not limited to this, and the aperture through hole 22 for including in a porous chips 100 can be mutually different, can be according to more Change aperture in position in hole piece 100.In addition, the configuration through hole 22 can be uneven, it can be according to the position in porous chips 100 Set the distribution for changing and penetrating hole 22.For example, the transmission porosity for including in a part of region can be improved, a part can also be reduced The transmission porosity for including in region.

[variation about porous chips]

In the above description, having enumerated porous chips 100 has the case where next door 30 for the plate for constituting honeycomb pattern structure For be illustrated.It is illustrated in case where porous chips 100 have also been enumerated with the next door 30 for constituting wave pattern structure. It's not limited to that for the composition of porous chips 100, takes the circumstances into consideration to change as long as having and dividing the next door 30 for forming through hole 21.Example Such as, the next door 30 of porous chips 100 may be constructed core pattern (ロー Le U アパター Application) structure, the knot of the core pattern Structure is made of having the multiple laminations in channel-shaped portion of cylindric repetitive structure.

[third embodiment]

Then, 4~Figure 20 is included in porous chips 100 and nappy 300 soft stool in third embodiment referring to Fig.1 Composition is illustrated.Laminate 200 in the nappy 300 of above-mentioned first embodiment has the work that porous chips 100 are arranged in For the absorber 40 (referring to Fig. 1) of the end face side 10b of another interarea, and in the nappy of third embodiment 300, laminate 200 have the support chip 54 for the end face side 10b as another interarea that porous chips 100 are set replace absorber 40 (referring to Fig. 1), about other constituent elements furthermore, in the composition of the nappy 300 of third embodiment, in addition to the structure of porous chips 100 It is identical as the nappy 300 of first embodiment in addition, thus for the element that referring to Fig.1~Fig. 8 has been described above, it assigns Symbol identical with FIG. 1 to FIG. 8 and be suitable for the description thereof will be omitted.

[porous chips]

Porous chips 100 in third embodiment are that soft stool is brought into its inside and is prevented in the same manner as first embodiment The only sheet component that soft stool is spread to transverse direction (face direction) can be located as soft stool and be included in use porous chips.In addition, third is implemented In mode, porous chips 100 are excretion moisture that is absorbable and keeping the urine drained by wearer or menses etc with imbibition The component of property.In the composition of the porous chips 100 of third embodiment, main next door 30 have superabsorbent polymer 42 this Point on be different from the first embodiment, other constitute substantially it is identical with first embodiment, quote in first embodiment < it is more The basic composition of hole piece > explanation and omit its in detail describe.

As shown in Figure 15~Figure 18, (being attached with) aftermentioned 42 (SAP of superabsorbent polymer is contained in next door 30 (Superabsorbent polymer), also referred to as super absorbent polymer or super absorbent resin).Superabsorbent polymer 42 can absorb and keep bringing the liquid in porous chips 100 into.

The content of superabsorbent polymer 42 in next door 30 is converted with the solid component of the gross mass relative to next door 30 Usually 1 mass % or more, preferably 5 mass % or more, more preferably 10 mass % or more, further preferably 15 mass % More than, usually 50 mass % or less, preferably 40 mass % or less, more preferably 30 mass % or less, further preferably 20 mass % or less.When the content of superabsorbent polymer 42 is above-mentioned lower limit or more, it is easy by absorbing and keeping bringing into Liquid in porous chips 100 and inhibit it to escape to the outside of porous chips 100.The content of superabsorbent polymer 42 is on above-mentioned When limit is following, it is easy to inhibit the through hole 21 in water suction to become narrow or closure due to excessive superabsorbent polymer 42. In addition, being easy to inhibit the reduction of the intensity in next door 30.

Next door 30 further can also contain aftermentioned fibrous material (illustration omitted).Fibrous material be have it is hydrophilic Superfine fiber winding and formed.Next door 30 contain fibrous material in the case where, superabsorbent polymer 42 by with fiber Material is mixed and is maintained in fibrous material by burying.The infiltration rate of fibrous material is typically superior to superabsorbent polymer 42. On the other hand, the uptake of the absorbability of superabsorbent polymer 42, i.e. liquid is better than fibrous material.Therefore, by making next door 30 include fibrous material, fibrous material temporary absorption can be utilized into next door 30 liquid first.In addition, high-absorbable polymerize Object 42 can slowly absorb and keep the liquid absorbed by fibrous material.

The content of fibrous material in next door 30 is usually 5 matter with the solid component conversion of the gross mass relative to next door 30 % or more, preferably 10 mass % or more, more preferably 15 mass % or more, further preferably 20 mass % or more are measured, are led to It is often 60 mass % or less, preferably 50 mass % or less, more preferably 40 mass % or less, further preferably 30 mass % Below.When the content of fibrous material is above-mentioned lower limit or more, it is easy to absorb the liquid brought into porous chips 100 rapidly.Fiber When the content of material is the above-mentioned upper limit or less, it is easy that through hole 21 is inhibited to become narrow due to excessive fibrous material or close It closes.In addition, being easy to inhibit the reduction of the intensity in next door 30.

In porous chips 100, the mode containing superabsorbent polymer 42 and/or fibrous material in next door 30 is not limited especially Fixed, for example, superabsorbent polymer 42, fibrous material can adhere to the surface of next door 30 as shown in Figure 15~Figure 18, height is inhaled The property received polymer 42, fibrous material can also exist on the inside in next door 30, can also combine the mode of the two.The latter's In the case of, superabsorbent polymer 42, fibrous material preferably exist with the state that the surface of part of it next door is exposed.Preceding In the case where person, such as bonding agent can be applied to piece main body 10 after forming piece main body 10, be inhaled height using the bonding agent The property received polymer 42 or fibrous material affix to piece main body 10, are thus fixed.In addition, in the latter case, such as can With mixed superabsorbent polymer 42, fibrous material in the material of piece main body in advance when forming piece main body 10, piece master is formed Body 10, is thus fixed.As superabsorbent polymer 42, fibrous material fixation used in bonding agent do not limit especially Calmly, bonding agent well known to can be used such as starch, heat molten type, synthetic resin emulsion type, resin solution type.Wherein preferred parent Water system bonding agent made of aqueous bonding agent ingredient is dissolved or dispersed in water.As such bonding agent ingredient, Ke Yiju Such as polyvinyl alcohol resin out.

In addition, the shape about the porous chips 100 in third embodiment, in the same manner as first embodiment, as long as being It can be included in and be just not particularly limited by the size and shape of the soft stool of wearer's excretion.In the third embodiment, porous chips 100 pass through predecessor 300A, crotch 300B and rear body 300C and extend in length direction.Here it is illustrated the width of crotch 300B Spend the porous chips 100 of hourglass shape of the direction size less than predecessor 300A and rear body 300C.In the third embodiment, porous chips 100 with aftermentioned support chip 54 be roughly the same shape.In this way, by making the shape roughly the same with support chip 54 of porous chips 100 The hourglass shape of shape, porous chips 100 can cover the region comprising predecessor 300A, crotch 300B and rear body 300C.Also, it is more Hole piece 100 can block the excreta being excreted in these regions, and thus, it is possible to prevent excreta from leaking out from nappy 300.Separately Outside, by the way that porous chips 100 are set on support chip 54, soft stool is included in from an end face side 10a of through hole 21 in porous chips 100 In the case of, in the other end side 10b, there are support chips 54.Therefore, support chip 54 plays the work of the obturator as the end face side 10b With can prevent from bringing into soft stool inside through hole 21 and pass through through hole 21 and flow directly out to pass through from end face 10b more The case where hole piece 100.Also, support chip 54 can be such that the solid component of soft stool rests on inside through hole 21 while make to be included in The liquid component for including in soft stool inside to through hole 21 is absorbed by end face 10b.Wherein, the vertical view of porous chips 100 Diagram shape is not limited to hourglass shape, such as may be circle, ellipse, oblong, rectangle (i.e. width under overlook view Direction size is certain), the circular predecessor 300A of connection and the shape of dumb-bell shape of rear body 300C etc..In order to play support chip 54 The effect of obturator as the end face side 10b absorbs liquid component by end face 10b, preferably makes porous chips 100 less than support The shape of piece 54.In addition, the position for the podex that porous chips 100 preferably at least configured in wearer.

Porous chips 100 can have the transmission through next door 30 in the same manner as first embodiment with the side surface part of next door 30 Hole (illustration omitted).In the third embodiment, by making the superabsorbent polymer 42 for including in next door 30 (here, as schemed Shown in 15~Figure 18, superabsorbent polymer 42 by attachment (or bonding) in next door 30) absorb the liquid component spread, energy Enough liquid component is promptly absorbed using broader region.

As the material for constituting porous chips 100, it can be cited for example that paper, synthetic paper, synthetic resin, non-woven fabrics etc..About The preferred principal components of these materials, raw material, preparation method, paper weight, weight per unit area etc., quote in first embodiment < The material of porous chips > explanation and omit its in detail describe.

As superabsorbent polymer 42, the conduct in the absorbent commodity of disposable urine napkin or diaper etc can be used The various well known substances of the materials'use of absorber.As superabsorbent polymer 42, such as Starch with Acrylic Acid can be used (salt) graft copolymer, starch acrylonitrile copolymer it is saponified, Starch with Acrylic Acid ethyl ester graft copolymer saponified etc. Starch-series；The cross-linking agent of sodium carboxymethylcellulose etc. is cellulose-based；Acrylic acid (salt) polymer, polyvinyl alcohol-maleic anhydride are anti- Answer the substance of the synthetic polymers such as cross-linking agent of object system.These substances can be used alone, 2 kinds can also be applied in combination with On.The shape of superabsorbent polymer 42 is not particularly limited, can be used for example granular, powder shaped, partical, sol form, The polymer of the shapes such as membranaceous, fibrous.

As fibrous material, it can be cited for example that the cellulose fibres such as paper pulp fiber, rayon fiber, cotton fiber； Material obtained from hydrophilicity-imparting treatment is implemented for synthetic fibers such as polyethylene, polypropylene, polyethylene terephthalates.This A little materials can be used alone, two or more can also be applied in combination.

In the porous chips 100 of third embodiment, preferably 21 depth of through hole is greater than aperture.That is, 21 depth of through hole 1 is preferably greater than relative to the ratio between aperture (slenderness ratio).About the preferred value as 21 depth of through hole relative to the ratio between aperture Range quotes the explanation in<depth is relative to the ratio between aperture>in first embodiment and omits its narration in detail.

<thickness, height, aperture>

In the porous chips 100 of third embodiment, in the same manner as first embodiment, in order to prevent since wearer is applied The power that adds and deform, it is preferably high to incompressible intensity (compressive strength).Compressive strength and its list about porous chips 100 The preferred value range of the compressive strength of bit density quotes the explanation of<compressive strength>in first embodiment and omits it in detail Thin narration.

In the porous chips 100 of third embodiment, in the same manner as first embodiment, from being easy to be included in through hole 21 It soft stool and sets out in terms of improving the compressive strength of unit intensity, preferably voidage is high.Voidage about porous chips 100 Preferred value range, quote the explanation of<voidage>in first embodiment and omit its in detail describe.

In porous chips 100, in the same manner as first embodiment, from intensity, the easiness aspect of manufacture, preferably have There are the pore chamber 11a being made of under overlook view through hole 21 and next door 30, the repetitive structure that 11b periodically occurs.Specifically Ground says that the next door 30 of preferably encirclement through hole 21 constitutes round or polygon repetitive structure, more preferably constitutes and implements with first The structure of the same honeycomb pattern of Fig. 3, Fig. 4 of mode (referring to Figure 15, Figure 16).Or preferably surround the next door 30 of through hole 21 Constitute wave pattern structure same as Fig. 5, Fig. 6 of first embodiment (referring to Figure 17, Figure 18).Successively to their structure It is illustrated.It should be noted that Figure 15~Figure 18 shows perspective view and the next door 30 of porous chips 100 (piece main body 10) Sectional view, but take out a part in repetitive structure possessed by porous chips 100 and next door 30 only to show.Third embodiment In be illustrated the case where surface of next door 30 is attached with superabsorbent polymer 42.

As shown in Figure 15, Figure 16, in porous chips 100, next door 30 is preferably comprised in the internal through hole 21a with polygon Polygon the more set of pore chamber 11a made of honeycomb pattern structure.The honeycomb pattern structure shown in Figure 15, Figure 16 Constituent element and pore chamber 11a preferable shape, quote the explanation of<structure of honeycomb pattern>in first embodiment and province Slightly it is described in detail.In addition, as the interval L between the opposite side of pore chamber 11a₁₁Preferred numberical range, through hole 21a Depth D₁₁And the depth D of pore chamber 11a₁₁Relative to the interval L between opposite side₁₁The ratio between with phase in first embodiment Together, it quotes above-mentioned explanation and omits it and describe in detail.

In the case that next door 30 constitutes the structure of above-mentioned honeycomb pattern, as the manufacturing method of porous chips 100, it can apply The first manufacturing method or the second manufacturing method illustrated in first embodiment.In the case where the first manufacturing method of application, It, can be for example, by inciting somebody to action when multiple base parts 32 are bonded according to the position corresponding relationship of mutual protrusion Bonding material is applied to base part 32 or base part 32 is made to be immersed in bonding agent and superabsorbent polymer 42 is made to be attached to base The surface in material portion 32.In addition, in the case where the second manufacturing method of application, it, can when obtaining lamination object made of substrate lamination To be applied to the substrate after lamination for example, by material will be bonded or be immersed in lamination object in bonding agent, and make high-absorbable Polymer 42 is attached to the surface of substrate.

As shown in Figure 17, Figure 18, in porous chips 100, next door 30 is preferably comprised by wavy channel-shaped portion 35 and flat The wave pattern structure that the repetition in lining portion 36 is constituted.In third embodiment, the surface in channel-shaped portion 35 and lining portion 36 is attached Have superabsorbent polymer 42.Other constituent elements and pore chamber in the wave pattern structure shown in Figure 17, Figure 18 The preferable shape of 11a quotes the explanation of<the wave pattern structure>in first embodiment and omits its narration in detail.In addition, Interval L as lining portion 36₂₁Preferred numberical range, channel-shaped portion 35 waveform spacing L₂₂, through hole 21b depth D₂₁、 And the depth D in lining portion 36₂₁Relative to interval L₂₁The ratio between it is identical with first embodiment, quote above-mentioned explanation and province Slightly it is described in detail.

It, can be using the as the manufacturing method of porous chips 100 in the case that next door 30 constitutes above-mentioned wave pattern structure The third manufacturing method illustrated in one embodiment.In the case where application third manufacturing method, by multiple channel-shaped portions 35 with When multiple lining portions 36 are alternately pasted, channel-shaped portion 35 and lining portion 36 can be applied to for example, by material will be bonded or make slot Shape portion 35 and lining portion 36 are immersed in bonding agent, and superabsorbent polymer 42 is thus made to be attached to the surface of substrate.

[laminate]

In the third embodiment, laminate 200 is each configured with top flat 51 and branch for two main surface sides in porous chips 100 Blade 54 and the laminate structure for being equipped with tergite 55 with the face for the face opposite side for being equipped with porous chips 100 in support chip 54. That is, there is laminate 200 support chip 54 to replace the absorber 40 in first embodiment, in addition to this for the first embodiment party Formula is similarly constituted, and is quoted above-mentioned explanation and is omitted its narration in detail.

The width direction size of the top flat 51 of third embodiment is greater than porous chips 100 and support chip 54, opposite from skin Surface side covers porous chips 100 and support chip 54, and in the state that nappy 300 is worn, the skin of the top flat and wearer are connect Touching is configured to make to drain the structure that moisture is penetrated and absorbed by porous chips 100.About other compositions, first embodiment is quoted <top flat>explanation and omit its in detail describe.

Support chip 54 is disposed on the sheet component of the non-opposite surface side of skin of the porous chips 100 in laminate 200.Support Piece 54 absorbs the moisture such as the liquid component for including in urine or soft stool, prevents from bleeding back.Therefore, the fibre excellent by water imbibition of support chip 54 Material is tieed up to constitute.

As the fibrous material for constituting support chip 54, it can be cited for example that paper pulp fiber, rayon fiber, cotton fiber etc. Cellulose fibre；Hydrophilicity-imparting treatment is implemented to synthetic fibers such as polyethylene, polypropylene, polyethylene terephthalates and is obtained The material arrived.These materials can be used alone, two or more can also be applied in combination.

Tergite 55 in the non-opposite surface side of skin, can prevent excreta from more relative to porous chips 100 and the configuration of support chip 54 Hole piece 100 and support chip 54 drain to the non-opposite surface side of skin.About other compositions, saying for<tergite>of first embodiment is quoted It is bright and omit its in detail describe.

In third embodiment, each component of lateral plate 61, sheets 62 and rivel 70 can be with first embodiment The corresponding element of middle explanation is similarly constituted, and is quoted above-mentioned explanation and is omitted its narration in detail.It should be noted that these Among, since there is the nappy 300 of third embodiment support chip 54 to replace absorber 40, thus in sheets 62, the One sheets 63 covers porous chips 100 and support chip 54 from the non-opposite surface side of skin across tergite 55.

[variation about porous chips]

In the above description, enumerated third embodiment porous chips 100 have piece main body 10 in case where carry out Explanation, the piece main body have the next door 30 for the plate for constituting honeycomb pattern structure, and form and passed through by what the next door 30 surrounded Through-hole 21a.In addition, the structure for having enumerated the honeycomb pattern is by through hole 21a and by the plate pore chamber of encirclement through hole 21a The pore chamber 11a that wall 31 is constituted is more the case where gathering, are (referring to Figure 15, Figure 16) or porous chips 100 have and constitute ripple The case where next door 30 of patterning (referring to Figure 17, Figure 18) for be illustrated.The composition of porous chips 100 is not limited to This, takes the circumstances into consideration to change as long as having and dividing the next door 30 for forming through hole 21.For example, the next door 30 of porous chips 100 It may be constructed the structure of core pattern, the structure of the core pattern is that have the multiple laminations in channel-shaped portion of columned repetitive structure Made of.Alternatively, as shown in Figure 19, Figure 20, in the same manner as the variation that Fig. 7, Fig. 8 referring to first embodiment are illustrated, The next door 30 of porous chips 100 may be constructed structure made of more set of through hole 21c and pore chamber 11c, pore chamber 11c packet Through hole 21c is enclosed, is made of the thickness hole locular wall 38 thicker than the hole locular wall 31 of above-mentioned plate.It should be noted that Figure 19, figure In 20, one in pore chamber 11c is surrounded with double dot dash line and is shown.In the structure of the variation, the surface of next door 30 is attached Have superabsorbent polymer 42.It should be noted that the other business such as preferable shape, voidage about pore chamber 11c, with It is identical in one embodiment, it quotes above-mentioned explanation and omits its narration in detail.

In addition, in the case that next door 30 constitutes above-mentioned structure, the manufacturing method of the porous chips 100 as variation, It can be using the 4th manufacturing method or the 5th manufacturing method illustrated in first embodiment.In the feelings of the 4th manufacturing method of application Under condition, the component equipped with through hole 21c can be applied to for example, by material will be bonded or will be equipped with the component of through hole 21c Thus the surface for being immersed in bonding agent and superabsorbent polymer 42 being made to be attached to component is manufactured.In addition, using the It, can be for example, by that will be bonded when taking out aggregation after molding from template content device in the case where five manufacturing methods Material is applied to aggregation after molding or aggregation after molding is immersed in bonding agent, so that high-absorbable be made to polymerize Object 42 is attached to the surface of aggregation.

[2. effects and effect]

The porous chips 100 and nappy 300 of present embodiment due to constituting in a manner described, it is thus possible to obtain following Effect and effect.

(1) in the past, in nappy in use, the solid component of soft stool due to be easily detected by top flat and be not easy by Absorber absorbs and has the problem for the outside that can escape to nappy.Therefore, soft stool leaks out in order to prevent, it is known to make by nothing The top flat that woven fabric is formed is had thickness and forms multiple holes, kept the absorbent commodity of soft stool using the hole.Additionally, it is known that Have by the continuous fiber that fiber is orientated or the combination being made of fibre bundle being arranged and benefit in the upper surface of top flat The absorbent commodity of soft stool is captured with these continuous fibers or combination.In addition, it is also known that have between top flat and absorber The absorbent commodity for forming space, accommodating soft stool within this space.List is included in by what is be respectively equipped in these absorbent commodities Member can bring soft stool inside it into.But they are in softness and be subjected to deformation be included in unit holding soft stool Absorbent commodity.Therefore, in the state that wearer wears nappy, the case where the movement such as example being taken one's seat or being turned over Under, it is included in being included in unit and being subjected to deforming for soft stool, soft stool is included in unit from this and is leaked out, and may be attached to wearer's Skin is leaked out from nappy.In addition, it is also known that have absorber itself that there is the absorbent commodity of through hole, but its purpose It is to improve aeration, can't says it is sufficient as the countermeasure leaked out for soft stool.

In porous chips 100, piece main body 10 has the next door 30 for dividing and forming through hole 21.Therefore, porous chips 100 can be from End face 10a is included in soft stool and the solid component for including in soft stool is maintained inside through hole 21.Also, in first embodiment In, 21 depth of through hole is greater than aperture.Thereby, it is possible to the solid component for including in soft stool is more reliably maintained at through hole 21 It is internal.In addition, the liquid component for including in soft stool can be made to flow out from end face 10b.In this way, porous chips 100 can will be difficult to by The solid component for the soft stool that absorber absorbs is brought its inside into and is kept.In addition, for example, thering is soft stool to fail to penetrate in the past Top flat and the situation spread in face direction, but porous chips 100 can prevent the diffusion in the face direction of such soft stool, make in soft stool The thickness direction of the ingredient for including towards porous chips 100 passes through.In addition, in porous chips 100, by forming through hole using division 21 and surrounding next door 30 is surrounded to support through hole 21, relatively high intensity is shown to external force.Thus, porous chips In 100, even if the deformation in next door 30 and through hole 21 is also suppressed, it is not easy to be collapsed in the case where applying load from outside. Soft stool can be more stably maintained inside through hole 21 by porous chips 100 as a result,.Wherein, for around through hole 21 every The power for the thickness direction that wall 30 is extended shows high intensity, and the direction is along the side connecting end surface 10a of through hole 21 and end face The axial direction at the respective both ends in the side 10b.Therefore, porous chips 100 are directed to from the end face 10a for being included in soft stool or the end face side 10b and apply Power excellent strength, soft stool can be stably kept.

(2) in addition, in this second embodiment, next door 30, which has, to be connected to adjacent through hole 21, can penetrate moisture Penetrate hole 22.The moisture for bringing liquid component for including in urine or soft stool inside porous chips 100 etc into as a result, can lead to It crosses through hole 22 and penetrates next door 30.Therefore, the moisture in porous chips 100 is and expanding in adjacent through hole 21 more Diffusion in hole piece 100.As a result, in the case where soft stool is included into porous chips 100, the solid component for including in soft stool is protected It holds in the through hole 21 of the near sites for being included in soft stool of porous chips 100, and the liquid component for including in soft stool is from being included in There are the near sites of soft stool towards being spread around it in porous chips 100.In addition, being included in the shape of soft stool in porous chips 100 Under state, even if urine also can be diffused into porous chips 100 through the position for being included in soft stool in the case where further excretion urine It is interior.In this way, in the case where being included in soft stool or urine in a part of porous chips 100, by expanding moisture using through hole 22 Around being scattered to, can prevent the soft stool being included in the through hole 21 of the near sites of soft stool solid composition and liquid composition, And urine in porous chips 100 from overflowing, rest on it in porous chips 100.In addition, even if by being applied by porous chips 100 External force and in the case where deforming next door 30, moisture in through hole 21 also can be diffused into adjacent pass through using through hole 22 In through-hole 21, thus, it is possible to absorb the amount with the volume reducing for deforming associated through hole 21, can prevent soft stool and urine from overflowing, Rest on it in porous chips 100.

(3) in addition, in the third embodiment, superabsorbent polymer 42 is attached in next door 30.Porous chips 100 can To be absorbed using superabsorbent polymer 42 and keep the moisture for the liquid component etc for including in urine or soft stool.Therefore, it utilizes Porous chips 100, the liquid that the solid component for including in soft stool is maintained in the through hole 21 of porous chips 100, and includes in soft stool Body ingredient is kept by superabsorbent polymer 42.Thereby, it is possible to prevent the urine drained by wearer or soft stool from porous chips 100 It is middle to leak out, rest on it in porous chips 100.In addition, using porous chips 100, since soft stool can be maintained in porous chips 100 And avoid the skin of wearer, it is thus possible to so that the skin surface of wearer is kept clean, suppress or eliminate the macula etc. of buttocks Skin problem and because contact excrement caused by unplessantness displeasure.In addition, as noted previously, as porous chips 100 show height to external force Intensity, thus can inhibit influence of the superabsorbent polymer 42 by external force in porous chips 100.Therefore, even to more In the case that hole piece 100 applies external force, also it is able to suppress to be bled back to by the liquid component that superabsorbent polymer 42 absorbs and wears The phenomenon that skin surface side of person (getting damp), prevents it to be attached to skin surface.

(4) in addition, in porous chips 100, next door 30 constitutes honeycomb pattern structure.As a result, by making the vertical views of porous chips 100 Shared region increases in 21 next door 30 of through hole in figure, can make the weight of porous chips 100, while can increase interior The amount for the soft stool that portion can be included in.In addition, excellent strength of the porous chips 100 on thickness direction and face direction.In addition, 30 structure of next door At in the porous chips 100 of honeycomb pattern structure, the anisotropy of face direction intensity is fewer, for the different sides from face direction The intensity of same degree is shown to the load of application.In addition, next door 30 is constituted in the porous chips 100 of honeycomb pattern structure, needle Fewer to curved anisotropy, the different directions of needle opposite direction can be occured bending and deformation with equal extent.Therefore, every Wall 30 is constituted in the porous chips 100 of honeycomb pattern structure, and the freedom degree of design and configuration is excellent.

(5) in addition, in porous chips 100, next door 30 constitutes wave pattern structure.As a result, by making the vertical views of porous chips 100 Region shared in 21 next door 30 of through hole increases in figure, can make the weight of porous chips 100, while can increase inside The amount for the soft stool that can be included in.In addition, intensity of the porous chips 100 on thickness direction and face direction is also excellent.In addition, 30 structure of next door The porous chips 100 of corrugated patterning have the anisotropy of face direction intensity, for the wall surface being applied to lining portion 36 The excellent strength of the load in horizontal direction.In addition, the porous chips 100 that next door 30 constitutes wave pattern structure have for bending Anisotropy, show be not easy along the wall for being parallel to lining portion 36 direction be bent, on orthogonal to that direction, i.e. edge Perpendicular to the wall surface in lining portion 36 the characteristic that is easily bent of direction.Therefore, next door 30 constitutes the porous of wave pattern structure In piece 100, the configuration of porous chips 100 can be carried out according to required performance using intensity or curved anisotropy is directed to Or it utilizes.

(6) in first embodiment and second embodiment, nappy 300 has porous chips 100 and is arranged more The absorber 40 comprising superabsorbent polymer 42 of the other end side 10b of hole piece 100.It is included into porous chips 100 as a result, In soft stool in include liquid component from the end face side 10b of porous chips 100 flow out and be absorbed body 40 absorb.Also, liquid Ingredient absorber 40 internal extended and be kept.Therefore, the solid component for including in soft stool is maintained at porous chips 100 In through hole 21, and the liquid component for including in soft stool is absorbed body 40 and is kept.Thereby, it is possible to prevent by wearer's excretion Soft stool is leaked out from nappy 300, and rests on it in nappy 300.

In addition, by having next door 30 through hole 22, moisture is spread in porous chips 100 in second embodiment.And And absorber 40 can absorb the moisture of diffusion.Therefore, the moisture of a part for being included into porous chips 100 can be made to pass through Porous chips 100 and absorber 40 and with broader region and promptly absorbed and kept.

In addition, in first embodiment and second embodiment, it, can be by porous chips 100 and absorber using nappy 300 40 holding soft stools simultaneously make it avoid the skin of wearer, it is thus possible to so that the skin surface of wearer is kept clean, inhibit or disappear The skin problems such as the macula except buttocks and the unplessantness displeasure caused because contacting toilet.In addition, by by absorber 40 relative to porous Piece 100 is arranged in the non-opposite surface side of skin, and is located at porous chips 100 between the skin surface and absorber 40 of wearer.Cause This, even if generating the feelings for being absorbed the phenomenon that liquid component that body 40 absorbs bleeds back to the skin surface side of wearer and (getting damp) Under condition, by separating skin surface and absorber 40 using porous chips 100, also the liquid component can be prevented in skin surface Attachment.

In addition, nappy 300 has porous chips 100 and the another of porous chips 100 is arranged in third embodiment The support chip 54 of the absorption moisture of the end face side 10b.The liquid for including in the urine or soft stool being included into porous chips 100 as a result, When the moisture such as body ingredient are flowed out from the end face side 10b of porous chips 100, piece 54 can be supported and promptly absorb, prevent from bleeding back.This Outside, as described above, porous chips 100 show the high intensity of external force resistance, wherein in the thickness side of connecting end surface 10a and end face 10b Upward excellent strength.Thus, for example being matched with end face 10a towards the podex of wearer or its periphery in porous chips 100 In the case where setting, in wearer's defecation, soft stool can be brought into inside through hole 21 from end face 10a.In addition, even if passing through The action such as the taking one's seat or turning over of wearer and in the case that load caused by wearer is applied to thickness direction from end face 10a, Also the deformation that can inhibit through hole 21 and next door 30 is able to maintain that the state being maintained at soft stool inside through hole 21.

In addition, as described above, in various embodiments, porous chips 100 show the high intensity of external force resistance, wherein even Excellent strength on the thickness direction of contact surface 10a and end face 10b.Thus, for example being worn in porous chips 100 with end face 10a direction In the case that the podex of user or its periphery configure, in wearer's defecation, soft stool can be brought into from end face 10a Inside through hole 21.In addition, even if the action such as taking one's seat or turning over for load caused by wearer from end face by wearer In the case that 10a is applied to thickness direction, it also can inhibit the deformation of through hole 21 and next door 30, be able to maintain that and be maintained at soft stool State inside through hole 21.In addition, in this second embodiment, even if making next door 30 by the application external force of porous chips 100 In the case where deformation has occurred, the moisture in through hole 21 can also be expanded in adjacent through hole 21 by penetrating hole 22, And the moisture extended can be absorbed body 40 and promptly absorb and keep.Therefore, can make soft stool solid component and liquid at Divide and more reliably rests in porous chips 100 and absorber 40.

(7) nappy 300 is further equipped with top flat 51, which is arranged in the end face side 10a of porous chips 100, It has a water penetration, and have pass through excrement by portion 52.As a result, by the laminate 200 comprising porous chips 100 Outermost configure top flat 51, and the skin surface of wearer is made to connect with top flat 51.Therefore, it can reduce or eliminate because wearing The skin of person directly contacted with porous chips 100 and generate unplessantness displeasure, improve skin sense of touch.In addition, top flat 51 can make soft stool In include liquid component penetrate and the solid component for including in soft stool can be made to pass through by by portion 52.Also, In first embodiment and second embodiment, the liquid component for having penetrated top flat 51 is absorbed body 40 by porous chips 100 It absorbs；In the third embodiment, the superabsorbent polymer which is included in next door 30 42 absorb.

In addition, the solid component for having penetrated top flat 51 is included in by porous chips 100 and is kept.In this way, by making nappy 300 Have top flat 51, skin sense of touch can be improved, while can make to urinate as such liquid component or soft stool comprising solid The excreta of ingredient and liquid component passes through and keeps in the case where that will not cause side leakage to them.

[3. other]

[about absorbent commodity]

In the above description, it as absorbent commodity, is said in case where the nappy 300 for having enumerated underwear type It is bright.Absorbent commodity is not limited to this, can also be used as other absorbent commodities for having porous chips 100 or laminate 200 and It utilizes as one sees fit.As such absorbent commodity, it can be cited for example that the cleaning mat (applying I パッ De) of bed.Cleaning mat is paving In the cushion bedding being placed on the mattress on bed.Person to go to bed needs the users such as care-giver by body accumbency on being layered on mattress Cleaning mat on go to bed.The absorbent commodity (cleaning mat) has a laminate 200, top flat 51 towards gravity direction upside, Tergite 55 is arranged towards the downside of gravity direction, that is, mattress side.At this point, cleaning mat can be to cover entire bed or substantially entire Bed size, or user's accumbency in bed when can cover position corresponding with podex or its peripheral portion or The size at the position on waist or its periphery.In addition, cleaning mat can carry out anti-skidding processing in the face of the downside of tergite 55.It needs It is bright, pass through, be included in and absorb easy aspect from make excreta, cleaning mat is not preferably laid with sheet on it Deng and contact user directly and use.

Using such cleaning mat, in the case where user drains on the bed for being provided with cleaning mat, soft stool passes through top Piece 51.Also, soft stool is included into the through hole 21 of porous chips 100, and the solid component for including in soft stool is maintained at perforation In hole 21.In addition, in first embodiment and second embodiment, the liquid component for including in soft stool is flowed from through hole 21 It is absorbed body 40 out and absorbs holding, in addition, in the third embodiment, the liquid component for including in the soft stool is by next door 30 The superabsorbent polymer 42 for including is absorbed and is kept.Also, urine is also by top flat 51 and porous chips 100, in the first embodiment party It is absorbed body 40 in formula and second embodiment to absorb and keep, is absorbed in the third embodiment by superabsorbent polymer 42 And it keeps.In this way, using cleaning mat, even if can also keep excreta in the case where user does not wear diaper and prevent it Extension.It is wherein effective for the soft stool comprising solid composition and liquid composition.In addition, existing in the user for having worn diaper It is provided in the case where being drained on the bed of cleaning mat, it also can be similarly for excretas such as the soft stool leaked out from diaper or urine It is kept and prevents its extension.

[about porous chips and laminate]

In the above description, enumerated in case where having porous chips 100 and laminate 200 in nappy 300 into Explanation is gone.Porous chips 100 and laminate 200 are not limited to this, and can also take the circumstances into consideration to use other than nappy.For example, porous Piece 100 and laminate 200 can be used as cleaning mat as described above.In addition, porous chips 100 and laminate 200 can also be individually As cleaning mat.In this case, such as on the mattress being placed on bed porous chips 100 are set.At this point, porous chips 100 can Think the size for covering entire bed or substantially entire bed, or user's accumbency in bed when can cover with podex or The size at the position on the corresponding position of its peripheral portion or waist or its periphery.It should be noted that from the logical of excreta is made It crosses, be included in and absorb readily aspect to set out, porous chips 100 are not preferably laid with sheet etc. on it and connect user directly Touching come carry out using.Using such porous chips 100, in user in the case where being drained on the bed for being provided with porous chips 100, Soft stool is included into the through hole 21 of porous chips 100, is maintained at the solid component for including in soft stool in through hole 21, energy Enough prevent solid component from transversely extending.In the third embodiment, the moisture such as liquid component for including in urine or soft stool may be used also It absorbed, kept with the superabsorbent polymer 42 for being included in next door 30.In addition, worn the user of diaper be provided with it is more In the case where draining on the bed of hole piece 100, holding can be also carried out similarly for excretas such as the soft stools that leaks out from diaper And prevent its extension.

In addition, porous chips 100 and laminate 200 can be used as absorption pad use.Absorption pad is placed in underwear or is used for It keeps absorbing excreta in the fabric underwear type exterior body for being referred to as fixed underpants (holder pants) of absorption pad.? It is soft in the same manner as the case where having in nappy 300 using the porous chips 100 in one embodiment and second embodiment Just it is included into through hole 21, the solid component for including in soft stool is held in through hole 21, and thus, it is possible to prevent solid Ingredient transversely extends.In addition, in first embodiment and second embodiment, using the laminate 200 of this, and in paper Similarly, soft stool is included into through hole 21 the case where having in diaper 300, and the solid component for including in soft stool is held in The liquid component for preventing its extension in through hole 21, and including in soft stool can be absorbed body 40 and absorb and keep.In addition, In the third embodiment, using the porous chips 100 and laminate 200, in the same manner as the case where having in nappy 300, Soft stool is included into through hole 21, and the solid component for including in soft stool is held in through hole 21, solid thus, it is possible to prevent Body ingredient transversely extends.In addition, in the third embodiment, the moisture such as liquid component for including in urine or soft stool can by every The superabsorbent polymer 42 for including in wall 30 is absorbed, is kept.

[aperture and configuration about through hole]

In the above description, it is illustrated in case where having enumerated the through hole 21 configured with same apertures.Perforation The aperture in hole 21 is not limited to this, and the aperture for the through hole 21 for including in a porous chips 100 can be mutually different, can also root Aperture is changed according to the position in porous chips 100.In addition, the configuration of through hole 21 can be uneven, it can also be according to porous chips 100 In position change through hole 21 distribution.For example, the density for the pore chamber 11 for including in a part of region can be improved and increase The number of through hole 21 can also reduce the density for the pore chamber 11 for including in a part of region and reduce the number of through hole 21.

[configuration about porous chips]

In the above description, enumerated in case where the crotch 300B of nappy 300 has 1 porous chips 100 into Explanation is gone.It's not limited to that for the configuration of porous chips 100, such as explained further on, can also be by porous chips 100 along face side To being divided into multiple configured.

In Figure 21, as the variation of porous chips 100, enumerates and porous chips 100 are divided into multiple feelings along the plane direction It is indicated for condition.In Figure 21, top flat 51 and porous is extracted from the expanded view of nappy shown in FIG. 1 (absorbent commodity) Piece 100 indicates.Porous chips 100 shown in Figure 21 are divided into multiple porous chips 110 along the plane direction.Multiple porous chips 110 are in width Degree direction and length direction are continuously arranged, and the multiple porous chips 110 being continuously arranged are integrally formed a piece of porous chips 100.? In each porous chips 110, next door 30 constitute honeycomb pattern shown in above-mentioned Fig. 3, Fig. 4, Figure 10, Figure 11, Figure 15, Figure 16 structure, Or wave pattern structure shown in above-mentioned Fig. 5, Fig. 6, Figure 12, Figure 13, Figure 17, Figure 18.In this case, porous chips 100 hold Easily bent in the continuous setting unit of porous chips 110 to each other.Therefore, next door 30 constitutes the case where honeycomb pattern structure In the case where lower or composition wave pattern structure, the whole bending easiness in thickness direction of porous chips 100 is improved, and is easy Nappy 300 is folded along the body of wearer.Fit sense when can make processing forming or wear is be more good.This can Improve leak resistance.

In addition, being continuously arranged in the composition of multiple porous chips 110 shown in Figure 21, can there will be honeycomb pattern structure Porous chips 110 combined with the porous chips 110 of wave pattern structure, form a piece of porous chips 100.In this case, lead to Cross the configuration bit of the suitably setting porous chips 110 with honeycomb pattern structure and the porous chips 110 with wave pattern structure It sets and the direction in the extended direction of the porous chips 110 with wave pattern structure, can further obtain in thickness direction With the excellent strength on the direction of face and it is easily bent the porous chips 100 of deformation.Thereby, it is possible to further make fit sense good Well and it is easy to follow the skin surface of wearer on the length direction of nappy 300 and is included in soft stool.

In addition, porous chips 100 have in its entire surface constitutes honeycomb pattern structure in above-mentioned each embodiment Next door 30 or with the next door 30 for constituting wave pattern structure, but is not limited to this composition, or in porous chips 100 A part configuration constitute honeycomb pattern structure next door 30 or constitute wave pattern structure next door 30 composition.Figure 22 In enumerated the only wearer under the wearing effect of nappy 300 in porous chips 100 the position 120 in urethra portion (scheming It is shown by dashed lines in 22) and podex position 125 it is (shown by dashed lines in Figure 22) configuration constitute honeycomb pattern structure every In case where the next door of wall or composition wave pattern structure.As shown in figure 22, configuration constitutes the next door of honeycomb pattern structure Or the part of wave pattern structure undertakes main portions (position 120 in urethra portion and the anus of urine and absorption and holding just The position 125 in door portion) it is suitable.In this case, the structure or wave pattern structure of above-mentioned honeycomb pattern are able to maintain that The advantages of, while can be improved the whole bending easiness in a thickness direction of porous chips 100, processing forming can be made and worn The fit sense of used time is more preferable.

It should be noted that having enumerated the work in porous chips 100 in above-mentioned first embodiment and second embodiment For the structure for the laminate 200 that absorber 40 is equipped with for the end face side 10b of an interarea, in addition, in the third embodiment, It has enumerated for the structure that the end face side 10b as another interarea of porous chips 100 is equipped with the laminate 200 of support chip 54, But it in various embodiments, can also apply and be equipped with both absorber 40 and support chip 54 in the end face side 10b of porous chips 100 Laminate 200 structure.

In addition, can also apply in above-mentioned first embodiment and second embodiment in the end face of porous chips 100 The structure that the side 10b is equipped with the laminate 200 of support chip 54 can also be applied at the end of porous chips 100 in the third embodiment The face side 10b is equipped with the structure of laminate 200.

Furthermore it is possible to by various disclosed in above-mentioned first embodiment, second embodiment and third embodiment Constitute combination.For example, porous chips 100 can have following structures: it has the next door 30 for dividing and forming through hole 21, through hole 21 depth are greater than aperture, and the side surface part of next door 30 has penetrate moisture to penetrate hole 22, and next door 30 adheres to There is superabsorbent polymer 42.

[about piece main body]

It illustrates herein, also comprising " piece main body ", this is without exception in the same manner as porous chips 100 for other pieces (such as top flat) It reads.

[embodiment]

Embodiment is enumerated below the present invention is specifically described.It should be noted that without departing from ancestor of the invention Purport, material, dosage, ratio, process content, treatment process shown in embodiment below etc. can take the circumstances into consideration to change.Therefore, originally Invention is not limited to following embodiment.

[evaluation method]

For the porous chips obtained by following embodiments, comparative example, object is carried out according to following evaluation methods and evaluation criteria Property evaluation.

In the measurement of peak load, by porous chips obtained in each embodiment, comparative example cut out face direction be 5cm square, Thickness direction is the test film of 5mm, the mode parallel according to plane in universal testing machine (INSTRON company manufactures 5982 types) Metal plate is set as pressure, is that 5mm/min measures compression load with speed, the value for being up to peak load is strong as compression Degree.

Porous chips obtained in each embodiment, comparative example are cut out into the examination that face direction is 5cm square, thickness direction is 5mm Piece is tested, the sample of density measurement is obtained.

Later, weight is measured using precision balance (Mettler Toledo company ML304T), calculates density.

Then, by the compressive strength of each test film divided by density, the compressive strength of unit intensity is thus calculated.

Porous chips obtained in embodiment, comparative example are shot under overlook view with camera, flat image is obtained.It is right The flat image carries out image analysis, finds out the total area for the through hole for including in image and the area of image entirety.Into one Step calculates the percentage by total area of through hole divided by whole area.Further change camera in this process to clap It acts as regent and sets 5 shootings of progress, the average value of 5 calculated values is obtained, as voidage.

The simulation soft stool (hereinafter also referred to as " artificial soft stool ") for imitating soft stool is made using following compositions.

Artificial soft stool composition (weight)

Bentonite 5.0%

Mayonnaise (commercially available product) 5.0%

Surplus is water (being adjusted to viscosity is 200cps)

By porous chips obtained in each embodiment, comparative example configuration be set to tergite on absorber on, flow distance With the sample of the amount of bleeding back evaluation.

(soft stool flow distance)

In the measuring method of flow distance, by sample for evaluation configuration on the inclined-plane at 30 ° of inclinations angle.By the artificial of 10ml Soft stool is added drop-wise on evaluation sample with the speed of 10ml/sec using pipette.Position is added dropwise in artificial soft stool at this time and is added dropwise The distance between foremost position that artificial soft stool is reached along inclined-plane after 30 seconds is used as soft stool flow distance L.

According to measurement result, determined with flow distance of following benchmark to soft stool.

◎ (excellent): the value of flow distance is 5cm or less

Zero (good): the value of flow distance is greater than 5cm and is 10cm or less

△ (qualification): the value of flow distance is greater than 10cm and is 20cm or less

× (unqualified): the value of flow distance is greater than 20cm

(amount of bleeding back test)

Sample for evaluation is pasted and fixed on horizontally disposed plate upward according to porous chips, it will be artificial using pipette Absorber central portion of the soft stool 15cc from the height of top 1cm dropwise addition (rate of addition 2cc/sec) to sample.After completion of dropwise addition 10 filter paper of position placement are being added dropwise at the time of have passed through 3 minutes, by 1kg sliding weight of steelyard (the area 100cm of filter paper contact surface²) be placed on It places 1 minute thereon.Before this and hereafter the weight of filter paper is measured, before subtracting test by the filter weight after testing Filter weight obtained from weight be used as the amount of bleeding back.According to measurement result, sentenced with bleed back amount of following benchmark to soft stool It is fixed.

◎ (excellent): the value for the amount of bleeding back is 1g or less

Zero (good): the value for the amount of bleeding back is greater than 1g and is 5g or less

△ (qualification): the value for the amount of bleeding back is greater than 5g and is 10g or less

× (unqualified): the value for the amount of bleeding back is greater than 10g

[embodiment 1]

By with 90 μm of thickness, paper weight (level ground amount) 64g/m², apparent density 0.7g/cm³The scraps of paper formed honeycomb.? Sheet surface is with the nodal line (ノー De ライ Application of width 3mm and spacing 12mm coating solvent and bonding agent), remove solvent.

Piece with the bonding agent nodal line is cut into length 500mm.By multiple according to each relative to other pieces The mode for deviating the half amount of the spacing for the bonding agent nodal line that it is coated with sequentially is overlapped.The offset is equal according to final stacking Even vertical mode or so is alternately carried out.The width of nodal line and the offset (オ Off セット amount) of spacing are hole when making expansion Size (aperture) is the amount of 5mm.Then, the laminated sheet of the piece number is subjected to hot compression between plate under the softening point of bonding agent, Flow bonding agent nodal line.Once removing heat, bonding agent is cured, piece is interconnected with nodal line.Then, for shape At the pore chamber with equilateral section, the scraps of paper of engagement are unfolded towards the direction contrary with lamination.In each, piece along The edge of its nodal line engaged folds, and unassembled part is unfolded along the direction of tension, in such a way that piece is separated from each other Make to be unfolded each other.

Finally, thus obtaining the porous of embodiment 1 to make the whole coating or infiltration that there is water resistance and carry out beeswax Piece.

It is the structure of the honeycomb pattern of regular hexagon that the porous chips of embodiment 1, which have pore chamber,.

Carry out the evaluation of obtained porous chips.Evaluation result is listed in table 1.

[embodiment 2]

Other than the width of the nodal line in embodiment 1 being become 2mm, spacing becomes 7mm, similarly to Example 1 Obtain porous chips.

[embodiment 3]

Other than the width of the nodal line in embodiment 1 being become 1mm, spacing becomes 3.5mm, similarly to Example 1 Ground obtains porous chips.

[embodiment 4]

Other than the width of the nodal line in embodiment 1 being become 0.5mm, spacing becomes 2mm, similarly to Example 1 Ground obtains porous chips.

[embodiment 5]

[embodiment 6]

Other than the width of the nodal line in embodiment 1 being become 3.5mm, spacing becomes 14mm, similarly to Example 1 Ground obtains porous chips.

[embodiment 7]

By with 90 μm of thickness, paper weight 64g/m², apparent density 0.7g/cm³The scraps of paper according to wavelength (waveform Spacing) 12mm, wave height (aperture) 6mm carry out corrugating processing obtained from waveform paper top coating hot-melt adhesive, will put down Dough sheet and corrugating processing piece are alternately bonded.

Finally, thus obtaining the porous of embodiment 7 to make the whole coating or infiltration that there is water resistance and carry out beeswax Piece (is recorded as " corrugated plate ") sometimes below.

The porous chips of embodiment 7 have wave pattern structure.

[embodiment 8]

Other than the corrugated plate in embodiment 7 is carried out corrugating processing according to wavelength 7mm, wave height 3.5mm, with embodiment 7 get similarly the porous chips of embodiment 8.

[embodiment 9]

Other than the corrugated plate in embodiment 7 is carried out corrugating processing according to wavelength 3.6mm, wave height 1.8mm, with implementation Example 7 gets similarly the porous chips of embodiment 9.

[embodiment 10]

Other than the corrugated plate in embodiment 7 is carried out corrugating processing according to wavelength 2mm, wave height 0.9mm, with embodiment 7 get similarly the porous chips of embodiment 10.

[embodiment 11]

Other than the width of the nodal line in embodiment 1 being become 7mm, spacing becomes 28mm, similarly to Example 1 Obtain the porous chips of embodiment 11.

[embodiment 12]

Other than the corrugated plate in embodiment 7 is carried out corrugating processing according to wavelength 30mm, wave height 15mm, with embodiment 7 get similarly the porous chips of embodiment 12.

[reference example 1]

The polypropylene non-woven fabric lamination for being 70gsm by the weight per unit area (metsuke amount) that 16 implement hydrophilicity-imparting treatment Afterwards, the hole for forming 3mm diameter with triangle trellis according to the interval 4mm using perforating press, thus obtains (the referential implementation of reference example 1 Example) porous chips.

[table 1]

[results and discussion]

As shown in table 1, do not have any structure in honeycomb pattern structure and wave pattern structure and also not with next door It is that the reference example 1 being made of the extended plate-shaped member of the thickness direction in piece main body is compared, constitutes honeycomb pattern structure having The Examples 1 to 6 in next door, 11 porous chips and the embodiment 7~10,12 with wave pattern structure porous chips in, Compressive strength improves, it is not easy to be deformed due to load.Therefore, it even if in the case where being subjected to load, also maintains soft Just.In addition, according to the comparison with embodiment 11,12 it is found that in the porous chips of Examples 1 to 10, since depth is greater than aperture, because And soft stool is stably maintained to the inside of through hole.

The explanation of symbol

100 soft stools are included in porous chips (porous chips)

200 absorbing laminated bodies (laminate)

300 nappies (absorbent commodity)

10 main bodys

The end face 10a, 10b

11 pore chambers (セ Le)

21 through holes

22 penetrate hole

30 next doors

31,34,38 hole locular walls

32 base parts

33,37 adhesive portions

35 portion (フルート, channel-shaped portions)

36 lining portions (portion ライナー)

40 absorbers

41 absorbent cores

42 superabsorbent polymers

43 fibrous materials

44 covering pieces (ラップシート)

51 top flats

52 pass through portion

54 support chips

55 tergites

61 lateral plates

62 sheets

70 rivels

80 line rubber (retractility component)

110 porous chips

The position in 120 urethra portions

The position of 125 podexes

Claims

1. a kind of soft stool is included in porous chips, wherein

The porous chips have: the piece main body with the perforative multiple through holes of through-thickness；

Sheet above main body has the next door for dividing and forming above-mentioned through hole.

2. soft stool as described in claim 1 is included in porous chips, wherein the depth of above-mentioned through hole is greater than aperture.

3. soft stool as claimed in claim 1 or 2 is included in porous chips, wherein above-mentioned next door includes and adjacent above-mentioned perforation Hole is connected to and can penetrate hole through moisture.

4. soft stool according to any one of claims 1 to 3 is included in porous chips, wherein be attached with high suction in above-mentioned next door The property received polymer.

5. soft stool as described in any one of claims 1 to 4 is included in porous chips, wherein it is bee that above-mentioned next door, which constitutes and overlooks, The structure of nest pattern, the vertical view be the structure of honeycomb pattern be overlook be made of the multiple set of pore chamber of polygon.

6. soft stool as claimed in claim 5 is included in porous chips, wherein

Above-mentioned pore chamber is regular hexagon,

0.1mm or more, 10mm or less are divided between the opposite side of above-mentioned pore chamber.

7. soft stool as described in any one of claims 1 to 4 is included in porous chips, wherein it is wave that above-mentioned next door, which constitutes and overlooks, The structure of line pattern, it be by overlooking be wavy channel-shaped portion and vertical view is flat lining which, which is the structure of wave pattern, Portion is repeatedly formed.

8. soft stool as claimed in claim 7 is included in porous chips, wherein

Be divided into 0.5mm or more, 10mm between above-mentioned lining portion hereinafter,

The spacing of the waveform in above-mentioned channel-shaped portion is 0.5mm or more, 20mm or less.

9. being included in porous chips such as soft stool according to any one of claims 1 to 8, wherein the compressive strength of unit intensity is 0.5kPa/(kg/m³) more than.

10. a kind of absorbent commodity, has:

Soft stool according to any one of claims 1 to 9 is included in porous chips, and

The surface side with porous chips is included in set on above-mentioned soft stool and includes the absorber of superabsorbent polymer.

11. absorbent commodity as claimed in claim 10, is further equipped with: being included in one with porous chips set on above-mentioned soft stool Surface side and the support chip for absorbing moisture.

12. a kind of absorbent commodity, has:

The surface side with porous chips is included in set on above-mentioned soft stool and absorbs the support chip of moisture.

13. the absorbent commodity as described in any one of claim 10~12, is further equipped with top flat, which is set to upper It states soft stool and is included in another surface side with porous chips, the top flat is with water penetration and has pass through excrement to pass through portion.