CN107847374A - Absorbent commodity - Google Patents

Absorbent commodity Download PDF

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Publication number
CN107847374A
CN107847374A CN201680039216.6A CN201680039216A CN107847374A CN 107847374 A CN107847374 A CN 107847374A CN 201680039216 A CN201680039216 A CN 201680039216A CN 107847374 A CN107847374 A CN 107847374A
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CN
China
Prior art keywords
skin side
absorbent commodity
side protuberance
dough sheet
positive dough
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201680039216.6A
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Chinese (zh)
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CN107847374B (en
Inventor
木村真由美
山本耕裕
奥田富美子
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Kao Corp
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Kao Corp
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Publication date
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Publication of CN107847374A publication Critical patent/CN107847374A/en
Application granted granted Critical
Publication of CN107847374B publication Critical patent/CN107847374B/en
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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
    • A61F13/47—Sanitary towels, incontinence pads or napkins
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium

Abstract

The absorbent commodity (1) of the present invention includes positive dough sheet (2), back sheet (3) and the absorber (4) between the two pieces (2,3).Absorbent commodity (1) has second (9) between positive dough sheet (2) and absorber (4).Positive dough sheet (2) is to include skin side protuberance (21) and the piece of the sag and swell of non-skin side protuberance (22) prominent to non-skin opposite face side and with inner space (S2) prominent to skin opposite face side and with inner space (S1).When carrying out section observation to positive dough sheet (2), the fiber grammes per square metre of wall portion (21W) is higher than the fiber grammes per square metre at the top (21T) of skin side protuberance (21) and the top (22T) of non-skin side protuberance (22).Absorber (4) is formed by the layered product of absorbent sheet, and has slot (43).1 layer of slot (43) insertion layered product.

Description

Absorbent commodity
Technical field
The present invention relates to a kind of absorbent commodities such as sanitary napkin.
Background technology
Applicant of the present invention has been previously proposed a kind of absorbent commodity, and it is configured with front directly over absorber Piece, the lower floor of the positive dough sheet is provided with multilayer slot, and solid multiple convex portion (references are provided with the upper strata of the positive dough sheet Patent document 1).In addition, applicant of the present invention previously also proposed a kind of absorbent commodity, it is provided with multiple in absorber Longitudinal slot, in the positive dough sheet of top for being configured at the absorber, by forming the crimping of fiber, form the recessed of oblique clathrate The portion of falling into and formed with by blocking convex portion (with reference to patent document 2).
It is different from above-mentioned absorbent commodity, in patent document 3, a kind of absorbent commodity is recorded, it is in absorber Surface has positive dough sheet, the positive dough sheet is provided with multiple convex portions, and have between the convex portion of the positive dough sheet and the absorber There is hollow structure.
Prior art literature
Patent document
Patent document 1：Japanese Unexamined Patent Publication 2005-319043 publications
Patent document 2：Japanese Unexamined Patent Publication 2015-024002 publications
Patent document 3：Japanese Unexamined Patent Publication 2009-268559 publications
The content of the invention
The present invention relates in a kind of absorbent commodity, it includes absorbent main body, and the absorbent main body includes：Form skin The positive dough sheet of the liquid permeability of opposite face, the back sheet for forming non-skin opposite face and the absorption between the two pieces Body, and the absorbent main body has：When wearing and wearer excretory portion relative configuration excretory portion counterpart, configuration compared with The excretory portion counterpart is leaning on the dorsal part of wearer compared with the excretory portion counterpart by the front part of the veutro of wearer and configuration Rear portion, and above-mentioned absorbent commodity has longitudinal direction corresponding with the fore-and-aft direction of wearer and the transverse direction orthogonal with the longitudinal direction. Second be made up of non-woven fabrics is configured between above-mentioned positive dough sheet and above-mentioned absorber.Above-mentioned positive dough sheet is with to skin Opposite face side is prominent and multiple skin sides protuberance with inner space and prominent to non-skin opposite face side and with internal The piece of the sag and swell of multiple non-skin side protuberances in space.Have in above-mentioned excretory portion counterpart：Above-mentioned skin pleurapophysis Go out portion and it is above-mentioned second between turn into hollow structure hollow bulb and above-mentioned non-skin side protuberance do not have with above-mentioned absorber The non-depressed socket part being crimped.When carrying out section observation to above-mentioned positive dough sheet, the top of above-mentioned skin side protuberance and above-mentioned non-flesh The fiber grammes per square metre of wall portion between the top of skin side protuberance is non-with this higher than the fiber grammes per square metre at the top of the skin side protuberance The fiber grammes per square metre at the top of skin side protuberance.Above-mentioned absorber is formed by the layered product of absorbent sheet, and in above-mentioned excretory portion Counterpart has multiple slots.Above-mentioned slot penetrates at least 1 layer of above-mentioned layered product.
Brief description of the drawings
Fig. 1 is the flesh of the sanitary napkin for the preferable embodiment for being denoted as the absorbent commodity of the present invention Top view of the skin with respect to surface side (positive dough sheet side).
Fig. 2 is the profile for the II-II line sections for schematically showing Fig. 1.
Fig. 3 is the major part amplification stereogram of positive dough sheet possessed by sanitary napkin shown in Fig. 1.
Fig. 4 is the major part amplification schematic sectional view of the positive dough sheet shown in Fig. 3.
Fig. 5 is the top view of absorber possessed by sanitary napkin shown in Fig. 1.
Fig. 6 (a) to Fig. 6 (b) is the preferred of longitudinal slot in the excretory portion gap zone for represent the absorber shown in Fig. 5 The close-up top view of configuration.
Fig. 7 is that the major part amplification of the positive dough sheet of another embodiment possessed by the absorbent commodity of the present invention is three-dimensional Figure.
Fig. 8 is the major part amplification stereogram of positive dough sheet possessed by the sanitary napkin of comparative example 1.
Embodiment
Because the absorbent commodity described in patent document 1 in the lower floor of positive dough sheet has multilayer slot, therefore can be fast Speed absorbs drained body fluid, and it is transferred to the absorber under it rapidly.Further, since described in patent document 2 Absorbent commodity absorber is provided with multiple longitudinal slots, therefore positive dough sheet is not likely to produce gauffer, will can be drained Body fluid is quickly absorbed into absorber.However, the diffusion of drained body fluid will be suppressed on the surface of positive dough sheet by also having, and suppress It is absorbed into the demand for returning liquid of the body fluid of absorber.
Because the absorbent commodity described in patent document 3 has hollow structure between the convex portion of positive dough sheet and absorber Make, therefore can suppress to be absorbed into time liquid of the body fluid of absorber.However, in patent document 3, drained for quick absorption Body fluid, and suppress on the surface of positive dough sheet the diffusion of drained body fluid is constructed without any record.
Therefore, problem of the invention is to provide a kind of absorbability that can be eliminated the shortcomings that present in above-mentioned prior art Article.
Hereinafter, to the present invention absorbent commodity based on its preferable embodiment sanitary napkin 1 (with Under, also referred to as " sanitary napkin 1 "), it is described with reference to the accompanying drawings.Fig. 1 represents the sanitary napkin 1 of the present embodiment from positive dough sheet side Top view, Fig. 2 represent present embodiment sanitary napkin 1 profile.As depicted in figs. 1 and 2, sanitary napkin 1 has absorbability Main body 10, the absorbent main body 10 have the positive dough sheet 2 for the liquid permeability for forming skin opposite face, form non-skin opposite face Back sheet 3 and the absorber 4 between the two pieces 2,3.In addition, sanitary napkin 1 is matched somebody with somebody between positive dough sheet 2 and absorber 4 It is equipped with second 9 be made up of non-woven fabrics.Second 9 piece for being independently of positive dough sheet 2 and absorber 4, in the art Also referred to as secondary synusia (sublayer sheet).Second 9 be play lifting liquid from positive dough sheet 2 to the permeability of absorber 4, Or reduce the piece of the effect of returning liquid of the liquid for being absorbed into absorber 4 to positive dough sheet 2.
As shown in figure 1, the absorbent main body 10 of sanitary napkin 1 has：When wearing and wearer excretory portion (introitus Deng) relative configuration excretory portion counterpart B, configuration compared with excretory portion counterpart B by wearer veutro (front side) front Portion A and configuration are in the rear portion C compared with excretory portion counterpart B by the dorsal part (rear side) of wearer.Sanitary napkin 1 and absorbability master Body 10 has longitudinal X corresponding with the fore-and-aft direction of the wearer and horizontal Y orthogonal with longitudinal X.That is, absorbent main body 10 Front part A, excretory portion counterpart B and rear portion C are sequentially divided on longitudinal X.
In addition, in this manual, skin opposite face is in sanitary napkin 1 or its component parts (such as absorbent main body 10) When wearing sanitary napkin 1 towards the face of the skin side of wearer, non-skin opposite face is in sanitary napkin 1 or its component parts When wearing sanitary napkin 1 towards the face of the side (wear the clothes side) opposite with skin side.In addition, longitudinal X and sanitary napkin 1 and absorbability The length direction of main body 10 is consistent, and horizontal Y and the width of sanitary napkin 1 and absorbent main body 10 are (orthogonal to the longitudinal direction Direction) it is consistent.
In the present embodiment, as depicted in figs. 1 and 2, sanitary napkin 1 is in addition to absorbent main body 10, also with one To tab portion 10W, 10W, a pair of tab portions 10W, 10W are from the excretory portion counterpart B of absorbent main body 10 along longitudinal X's Both sides are respectively to extending out on the outside of horizontal Y.
In addition, in the absorbent commodity of the present invention, there is tab portion 10W the sanitary napkin 1 such as present embodiment In the case of, excretory portion counterpart B refers in the longitudinal direction of absorbent commodity (length direction of absorbent commodity, the X side in figure To) on the region with tab portion 10W (by the tab portion 10W root and another tab portion 10W edge along longitudinal X The region that longitudinal X root clips).Excretory portion counterpart in absorbent commodity without tab portion refers to absorbability thing Product are folded into horizontal in transverse direction (width of absorbent commodity, the Y-direction in figure) caused by the individual packaging forms of three foldings Across in 2 folding lines (not shown) of the absorbent commodity, from several first folding lines in longitudinal X of absorbent commodity front end with Second folding line area encompassed.
In sanitary napkin 1, as shown in Fig. 2 positive dough sheet 2 covers the whole region of the skin opposite face of absorber 4, and from suction The both side edges along longitudinal X of acceptor 4 are to extending out on the outside of horizontal Y.On the other hand, back sheet 3 covers the non-flesh of absorber 4 The whole region of skin opposite face, so from the both side edges along longitudinal X of absorber 4 to horizontal Y on the outside of extend out, it is and following Lateral plate 5 is collectively forming flank section 10S.Back sheet 3 and lateral plate 5 the both sides genesis along longitudinal X from absorber 4 extension portion, It is bonded with each other by joint method known to bonding agent, heat sealing, ultrasonic sealing function etc..
In sanitary napkin 1, as depicted in figs. 1 and 2, lateral plate 5 configures the skin opposite face (positive dough sheet in absorbent main body 10 2 skin opposite face) in the both sides along longitudinal X.It is preferred that lateral plate 5 with top view with absorber 4 along vertical The mode overlapping to X left and right sides portion configures throughout longitudinal X of absorbent main body 10 total length.
In sanitary napkin 1, as shown in figure 1, a pair of lateral plates 5,5 pass through of the wire positioned at excretory portion counterpart B respectively One closing line 61 and the second of the wire of (front part A and rear portion C) connect before and after longitudinal X of first closing line 61 Zygonema 62 and be engaged in positive dough sheet 2.First closing line 61 is the curve-like protruded in top view to horizontal Y outside, the Two closing lines 62 are the wire (sawtooth wire) extended in top view in a manner of alternately intersecting in the vertical.In this way, When lateral plate 5 is engaged in into positive dough sheet 2 to be fixed on the flesh of absorbent main body 10 by the first closing line 61 and the second closing line 62 During skin opposite face, as shown in Fig. 2 leaning on horizontal Y inner side compared with the first closing line 61 and the second closing line 62, formation passes through lateral plate The 5 spatial portion P formed with the division of positive dough sheet 2.Because spatial portion P is to the horizontal Y of absorbent main body 10 central opening, therefore It will be accommodated in from body fluid such as the horizontal Y menses in center flow direction outside in spatial portion P, as a result can effectively prevent the leakage of body fluid Go out.
In sanitary napkin 1, as shown in figure 1, flank section 10S significantly stretches in excretory portion counterpart B towards horizontal Y outside Go out, thus, in the left and right sides along longitudinal X of absorbent main body 10, being extended there are a pair of tab portions 10W, 10W.In addition, As shown in figure 1, positive dough sheet 2 and back sheet 3 from longitudinal X of absorber 4 front-end and back-end respectively to extending on the outside of longitudinal X Go, in these extension portion, be bonded with each other by joint method known to bonding agent, heat sealing, ultrasonic sealing function etc., and formed with End seal part.
The non-skin for the crotch that tab portion 10W passes through the clothing worn to shorts etc. uses with respect to surface side inflection. In sanitary napkin 1, as shown in figure 1, tab portion 10W in top view there is bottom (side longer than upper bottom) to be located at absorbent main body The generally trapezoidal shape of 10 lateral side along longitudinal X.As shown in Fig. 2 in tab portion 10W non-skin opposite face, formed There is the tab portion paste section 71 that tab portion 10W (sanitary napkin 1) is fixed on to the clothing (not shown) that shorts etc. are worn, make Used time, the non-skin opposite face (outer surface) of the crotch for the clothing that can be extremely worn inflection by the tab portion paste section 71 The tab portion 10W of side, which pastes, is fixed on the crotch.In addition, as shown in Fig. 2 absorbent main body 10 non-skin opposite face, Formed with the main body paste section 72 (anti-offset portion) for absorbent main body 10 to be fixed on to the clothing that shorts etc. are worn.
In sanitary napkin 1, as depicted in figs. 1 and 2, in skin opposite face (the skin phase of positive dough sheet 2 of absorbent main body 10 Opposite), integrally it is recessed the wire pressing trough 8 that forms formed with the side of dough sheet 3 of supporting or opposing of positive dough sheet 2 and second 9.Wire pressing trough 8 In " wire " refer to：The shape of groove (depressed part) is not limited to straight line in top view, also including curve.In addition, each line For line of discontinuities such as continuous lines or dotted lines.For example, wire pressing trough 8 can also include it is discontinuous it is multiple point embossing institute into Row.Wire pressing trough 8 has in the first horizontal pressing trough 81 of horizontal Y extensions and vertical respectively in front part A and rear portion C The vertical pressing trough 82 extended to X in excretory portion counterpart B both sides.In sanitary napkin 1, the first of front part A and rear portion C Horizontal pressing trough 81 is towards the curve-like of protrusion on the outside of longitudinal X, and each vertical pressing trough 82 is the curve towards protrusion on the inside of horizontal Y Shape.In sanitary napkin 1, front part A first horizontal 81, vertical pressing troughs 82 of pressing trough, rear portion C the first horizontal pressing trough 81 are connected with another vertical pressing trough 82 and form the all-round groove of ring-type.In addition, in sanitary napkin 1, wire pressing trough 8 compared with Front part A and rear portion C the first horizontal pressing trough 81 by the inside of longitudinal X, having the second horizontal pressing trough in horizontal Y extensions respectively 83、83.In sanitary napkin 1, front part A and rear portion C the second horizontal pressing trough 83,83 are the song towards protrusion on the outside of longitudinal X Wire.In addition, as shown in figure 1, the second horizontal pressing trough 83,83 of sanitary napkin 1 is not connected with a pair of vertical pressing troughs 82,82, but Also it is connectable.The wire pressing trough 8 being thusly-formed can suppress body fluid and be spread to the in-plane of absorber 4, so as to effectively Prevent liquid from the periphery leakage of sanitary napkin 1.
The positive dough sheet 2 of sanitary napkin 1 is described in detail, as shown in Figure 3 and Figure 4, positive dough sheet 2 is with relative to skin Surface side is prominent and multiple skin sides protuberance 21 with internal space S 1 and prominent to non-skin opposite face side and with internal The piece of the sag and swell of multiple non-skin side protuberances 22 of space S 2.Preferably in top view positive dough sheet 2, skin pleurapophysis Go out portion 21 and non-skin side protuberance 22 to be arranged alternately in a continuous manner along cross one another 2 different directions.Herein, 2 not Tongfangs Handed over to arbitrary first direction preferably in the plane and the second direction intersected with it with more than 30 degree and less than 90 degree of angle Fork, such as with 90 degree of intersections in sanitary napkin 1.That is, for example in sanitary napkin 1, a direction in 2 directions is horizontal Y, 2 Another direction in individual direction is longitudinal X.Therefore, in top view positive dough sheet 2, skin side protuberance 21 and non-skin side Protuberance 22 is arranged alternately in a continuous manner along longitudinal X and horizontal Y.In addition, in the form shown in Fig. 4, seen from skin with respect to surface side The convex portion examined is skin side protuberance 21, and recess is non-skin side protuberance 22.On the contrary, from non-skin with respect to from surface side Convex portion is non-skin side protuberance 22, and recess is skin side protuberance 21.Therefore, skin side protuberance 21 protrudes with non-skin side The shared part in portion 22.The shared part refers to the wall portion 21W of following ring-shaped structures and the wall portion 22W of following ring-shaped structures.
In sanitary napkin 1, on positive dough sheet 2, as shown in Figure 3 and Figure 4, skin side protuberance 21 at the top of it 21T and its There is the wall portion 21W of ring-shaped structure between the opening portion 21H of internal space S 1.In addition, non-skin side protuberance 22 is at the top of it There is the wall portion 22W of ring-shaped structure between 22T and the opening portion 22H of its internal space S 2.In sanitary napkin 1, skin side protrudes Portion 21 and non-skin side protuberance 22 have the truncated cone shape or hemispherical of radian in its top 21T and top 22T.It is multiple The grammes per square metre of the top 22T of non-skin side protuberance 22 fiber is less than the grammes per square metre of the fiber of its periphery, and top 22T can also have Open-work 23.In the embodiment shown in Fig. 3 and Fig. 4, non-skin side protuberance 22 has insertion top 22T open-work 23. Non- skin side protuberance 22 have open-work 23 in the case of, can multiple non-skin side protuberances 22 top 22T a part tool Have open-work 23, also can the top 22T wholes of multiple non-skin side protuberances 22 there is open-work 23.In addition, positive dough sheet 2 can also have There is following non-skin side protuberance 22, the non-skin side protuberance 22 includes the top 22T of the open-work 23 with insertion and do not had There are both of the top 22T of the grammes per square metre step-down of open-work 23 and fiber.
If skin side protuberance 21 and non-skin side protuberance possessed by the positive dough sheet of sanitary napkin 1 are observed in more detail 22, then the protrusion of skin side protuberance 21 is shaped as hemispherical, rather than the protrusion shape of skin side protuberance 22 turns at top Circular cone or truncated cone shape with radian.In addition, the protrusion shape of skin side protuberance 21 and non-skin side protuberance 22 is simultaneously Above-mentioned shape is not limited to, can be any prominent shape.Such as can be the cone such as circular cone, the frustum of a cone, pyramid, the frustum of a pyramid, oblique cone Shape.In sanitary napkin 1, skin side protuberance 21 and non-skin side protuberance 22 keep similar to its profile and had at top Cambered truncated cone shape or hemispherical internal space S 1 and internal space S 2.
In surface side top view positive dough sheet 2 relative from skin, the wall portion 21W of skin side protuberance 21 is in skin pleurapophysis The ring-shaped structure gone out centered on the top 21T in portion 21.In addition, in surface side top view positive dough sheet 2 relative from non-skin, non-flesh The wall portion 22W of skin side protuberance 22 is in the ring-shaped structure centered on the top 22T of non-skin side protuberance 22.Moreover, such as Fig. 4 Shown, the wall portion 21W of the skin side protuberance 21 and wall portion 22W of non-skin side protuberance 22 shares same area.It is so-called herein " ring-type " is not particularly limited as long as in top view positive dough sheet 2 in a series of shape without end, is seen overlooking Can be any shapes such as circle, ellipse, rectangle, polygon when examining positive dough sheet 2.Just preferably maintain the sequential like of positive dough sheet 2 For the viewpoint of state, preferably circular or oval ring-shaped structure.And then if " ring-type " is considered as three-dimensional shape, Cylindric, oblique circular cylinder shape, elliptic cylindrical shape, truncated cones shape, truncation oblique cone shape, truncation ellipse taper, the rib of truncation four can be enumerated Any ring construction such as oblique tetrapyamid shape of taper, truncation, it is preferably cylindric, ellipse for realizing the viewpoint of continuous piece state Cylindric, truncated cones shape, truncation ellipse taper.
With the skin side protuberance 21 and the positive dough sheet 2 of non-skin side protuberance 22 that set as described above not have There are bending section and integrally continuous curved surface composition.In this way, it is preferred that positive dough sheet 2 has continuous construction in the in-plane direction.Herein So-called " continuous " refers to interrupted part be not present or in the absence of the open-work formed in the top 22T of non-skin side protuberance 22 Aperture beyond 23.Wherein, above-mentioned aperture does not include the micropore as the gap between fiber.Including the above-mentioned of open-work 23 Aperture for example may be defined as its aperture to be calculated as more than 1.0mm hole equivalent to diameter of a circle.
In sanitary napkin 1, in the thickness direction thereof, the fiber grammes per square metre for forming fiber is different for positive dough sheet 2.Herein, fiber gram Refer to amount, the i.e. radical of the fiber of the per unit area of positive dough sheet 2 again.Fiber grammes per square metre height refers to the per unit area of positive dough sheet 2 The amount of existing fiber is more, and distance is small between fiber.The amount of fiber existing for the low per unit area for referring to positive dough sheet 2 of fiber grammes per square metre Few, distance is big between fiber.I.e., it is meant that the high position capillary force of fiber grammes per square metre is high, the low position capillary force of fiber grammes per square metre It is low.
As shown in figure 4, in sanitary napkin 1, when carrying out section observation to positive dough sheet 2, the top 21T of skin side protuberance 21 The fiber grammes per square metre of wall portion 21W, 22W between the top 22T of non-skin side protuberance 22 is higher than the top of skin side protuberance 21 The fiber grammes per square metre of portion 21T fiber grammes per square metre and the top 22T of non-skin side protuberance 22.Preferably in sanitary napkin 1, skin side The wall portion 21W (the wall portion 22W of non-skin side protuberance 22) of protuberance 21 fiber grammes per square metre is higher than the top of skin side protuberance 21 Both top 22T of portion 21T and non-skin side protuberance 22 fiber grammes per square metre.Especially in sanitary napkin 1, fiber grammes per square metre according to The wall portion 21W of the top 21T ＜ skin side protuberance 21 of top 22T ＜ skin side protuberance 21 be (non-skin side protuberance 22 Wall portion 22W) order uprise.Accordingly, with respect to capillary force, capillary force is also according to top 22T ＜ skin side protuberance 21 The wall portion 21W (the wall portion 22W of non-skin side protuberance 22) of top 21T ＜ skin side protuberance 21 order uprises.In the feelings Under condition, fiber grammes per square metre and capillary force can be according to the top 21T ＜ skin side protuberances of top 22T ＜ skin side protuberance 21 21 wall portion 21W (the wall portion 22W of non-skin side protuberance 22) order continuously gradually increases, or also can stepped ground rank Section property increase.In this way, by caused by the skin side protuberance 21 to the density change of non-skin side protuberance 22 of positive dough sheet 2 Capillary gradient, it can easily make to be transferred to non-skin side from excretas such as the menses of the skin side of positive dough sheet 2 absorption, from And reduce the discharged liquid residual quantity or liquid measure of the skin side of positive dough sheet 2.In addition, by make top 22T fiber grammes per square metre compared with Low, discharged liquid is easily transferred to absorber 4, therefore the infiltration rate of discharged liquid accelerates.
As described below, the value of the fiber grammes per square metre of positive dough sheet 2 is scaled with the radical of the fiber in the visual field by measurement site Value performance after per unit area.The value of the fiber grammes per square metre is for the top 22T of non-skin side protuberance 22, and preferably 2 Root/mm2More than, particularly preferably 10/mm2More than, and preferably 100/mm2Hereinafter, particularly preferably 80/mm2With Under, specifically, preferably 2/mm2Above and 100/mm2Hereinafter, and then preferably 10/mm2Above and 80/mm2 Below.In addition, for the top 21T of skin side protuberance 21, preferably 30/mm2More than, particularly preferably 50/ mm2More than, and preferably 130/mm2Hereinafter, particularly preferably 120/mm2Hereinafter, specifically, preferably 30/mm2 Above and 130/mm2Hereinafter, and then preferably 50/mm2Above and 120/mm2Below.In addition, protruded for skin side For the wall portion 21W (the wall portion 22W of non-skin side protuberance 22) in portion 21, preferably 30/mm2More than, particularly preferably 50 Root/mm2More than, and preferably 200/mm2Hereinafter, particularly preferably 150/mm2Hereinafter, specifically, preferably 30/ mm2Above and 200/mm2Hereinafter, and then preferably 50/mm2Above and 150/mm2Below.Skin side protuberance 21 Thickness degree T of the top 21T fiber grammes per square metre in top 21TL1Center near position finding.The top of non-skin side protuberance 22 Thickness degree T of the portion 22T fiber grammes per square metre in top 22TL2Center near position finding.The wall portion of skin side protuberance 21 21W (the wall portion 22W of non-skin side protuberance 22) fiber grammes per square metre is in piece thickness TsCentre near wall portion 21W thickness degree TL3Center near position integral thickness is measured.The assay method of fiber grammes per square metre is as described below.
The assay method ＞ of ＜ fiber grammes per square metres
Observation is amplified to the section of positive dough sheet 2 using SEM and (is adjusted to measurable 30~60 The multiplying power of the fiber cross-sectional of left and right；150~500 times), count by every fixed-area (0.5mm2Left and right) above-mentioned section cut The section number of disconnected fiber.Then, it is scaled every 1mm2Fiber section number, be set to fiber grammes per square metre.Measure is in 3 portions Position is carried out, and is averaged, the fiber grammes per square metre as the sample.
SEM：The JCM-5100 (trade name) of Jeol Ltd.'s manufacture
Even if in addition, just body when wear press with the huckle of wearer caused by flatten flesh inside pressing force Skin side protuberance 21, the shape of protuberance 21 also recover the shape of script, the body fluid drained quickly are absorbed into absorber, Suppress the diffusion of drained body fluid on the surface of positive dough sheet 2, and suppress to be absorbed into the viewpoint for returning liquid of the body fluid of absorber 4 For, the compression ratio of positive dough sheet 2 is preferably more than 40%, and particularly preferably more than 60%, and preferably less than 95%, it is especially excellent Elect less than 90% as, specifically, preferably more than 40% and less than 95%, and then preferably more than 60% and less than 90%. KES compression tests measure can be used in the compression ratio of positive dough sheet 2.The value determined using KES compression tests is bigger, then can It is more excellent to be evaluated as resiliency.Using the positive dough sheet 2 measured by KES compression tests compression ratio by《Wind He い Evaluation value Standard Quasiization と parses (second edition) (translation：The standardization of the evaluation of quality and parsing (second edition))》[river end Ji Xiongzhu, corporations' method The quality metering of fibre machinery association of people Japan and normalization research committee's distribution (on July 10th, 1980)] defined is to be related to The physical property of the compression property of cloth.The method that the compression ratio of positive dough sheet 2 is determined by KES compression tests is as described below.
The assay method ＞ of ＜ compression ratios
As measure device, the KES-FB3 compression tests manufactured using Kato Tech companies.Using the testing machine, with Compressing area 2cm2Sample (positive dough sheet 2) is determined in 0.5gf/cm2Thickness T under load0.Secondly, with μm/second of pressing speed 10 Compress sample.Load is with compression gradually increase.Compression carries out reaching 50gf/cm to load2.Then, 50gf/cm is determined2Load Under thickness Tm.By thickness T0Subtract thickness TmThe value divided by thickness T of gained0, 100 are multiplied by, thus calculates and passes through compression The compression ratio (%) for the positive dough sheet 2 that testing machine measures.That is, compression ratio (%) is according to (T0- Tm)/T0× 100 calculate.
In addition, just make skin pleurapophysis body pressure when wearing and inside pressing force caused by the huckle of wearer When going out portion 21 and skin contact the good degree of skin sense of touch and skin side protuberance 21 follow the action of body viewpoint and Speech, the compression energy of positive dough sheet 2 is preferably 0.98mNm/cm2More than, particularly preferably 3.43mNm/cm2More than, and be preferably 9.8mN·m/cm2Hereinafter, particularly preferably 6.86mNm/cm2Hereinafter, specifically, preferably 0.98mNm/cm2More than And 9.8mNm/cm2Hereinafter, and then preferably 3.43mNm/cm2Above and 6.86mNm/cm2With.The compression of positive dough sheet 2 KES compression tests can be used and determine.The WC values determined using KES compression tests are bigger, then can be evaluated as just Dough sheet 2 is more soft.The method that the compression energy of positive dough sheet 2 is determined by KES compression tests is as described below.
The assay method ＞ of ＜ compression energies
As measure device, the KES-G5 Portable compressed testing machines manufactured using Kato Tech companies.Use the experiment Machine, prepare 5cm × 10cm sample (positive dough sheet 2), be installed on testing stand.Secondly, with area 2cm2Circular flat The sample is compressed between steel plate.Compression speed is set to 20 μm/sec, and compression peak load is set to 4.9kPa.Recovery process is also with phase It is measured with speed.The compression energy (WC) of positive dough sheet 2 is represented with following formula.Tm、T0Represent 4.9kPa (50gf/cm respectively with P2) Thickness, 49Pa (0.5gf/cm during load2) load when thickness and load during measure.
In addition, the thickness on positive dough sheet 2, overall thickness when side view as shown in Figure 4 is observed into positive dough sheet 2 is set For piece thickness Ts, the local thickness of positive dough sheet 2 for bending it into bumps is set to thickness degree TL.Piece thickness TsCan according to purposes and Appropriate regulation, in the case of as the absorbent commodity positive dough sheet such as physiological articles, preferably more than 1mm and below 3.5mm, More preferably more than 1.2mm and below 2.5mm.By being set to the scope, body fluid absorption speed during use is fast, can suppress liquid Body flows back from absorber, and then realizes the resiliency of appropriateness.
Thickness degree TLAlso can be different at each position in positive dough sheet 2, suitably adjusted according to purposes.Used as physiology In the case of the absorbent commodity positive dough sheet such as product, preferably according to skin side protuberance 21 top 21T thickness degree TL1＞ fleshes The wall portion 21W (the wall portion 22W of non-skin side protuberance 22) of skin side protuberance 21 thickness degree TL3The non-skin side protuberances 22 of ＞ Top 22T thickness degree TL2Order diminish.Thus, in the top 21T of skin side protuberance 21, especially in skin opposite face Side, fiber grammes per square metre is relatively low, can realize good skin sense of touch.On the other hand, wall portion 21W (the non-fleshes of skin side protuberance 21 The wall portion 22W of skin side protuberance 22) fiber grammes per square metre uprise, be not easy to be crushed, can be made will not deform and with good The excellent positive dough sheet 2 of the infiltration rate of resiliency and liquid.
Piece thickness TsWith thickness degree TLDetermine by the following method.
Piece thickness TsAssay method to positive dough sheet 2 apply 0.05kPa load in the state of, use thickness tester Measure.The laser displacement gauge that thickness tester is manufactured using OMRON companies.Thickness measurement carries out 10 point measure, calculates these Average value as thickness.In addition, thickness degree TLDetermination method it is as follows：Use FEATHER razors (model FAS-10, FEATHER Safety razor Co., Ltd. manufactures) through-thickness cut-out positive dough sheet 2.Then, the digital microscope manufactured by KEYENCE VHX-900, the section of the piece of cut-out is amplified about 20 times or so, thus determines the thickness of each layer.
The top 21T of skin side protuberance 21 during top view positive dough sheet 2 positioned at proximal most position protrudes with non-skin side The top 22T in portion 22 interval is suitably adjusted according to purposes, as the absorbent commodity positive dough sheet such as physiological articles In the case of, preferably more than 1mm and below 15mm, more preferably more than 3mm and below 10mm.In addition, positive dough sheet 2 in transverse direction The mutual interval L21 (reference picture 4) of top 21T, 21T of the upper adjacent skin side protuberances 21 of Y is preferably more than 2mm and 30mm Hereinafter, more preferably more than 3mm and below 15mm.In addition, the skin side protuberance 21 adjacent on longitudinal X of positive dough sheet 2 Top 21T, 21T are mutual to be preferably spaced more than 2mm and below 30mm, more preferably more than 3mm and below 15mm.In addition, The grammes per square metre of positive dough sheet 2 suitably selects according to purposes, in the case of as the absorbent commodity positive dough sheet such as physiological articles, It is preferably 15g/m in terms of the average value overall by piece2Above and 50g/m2Hereinafter, more preferably 20g/m2Above and 40g/m2Below.
As described above, in sanitary napkin 1, as depicted in figs. 1 and 2, second is configured between positive dough sheet 2 and absorber 4 Piece 9.On the skin opposite face of absorber 4, but in sanitary napkin 1, second 9 covers following absorptions for second 9 configuration The whole region of the skin opposite face of the additional absorbents 41 as multi-layer portion 42 in body 4, from additional absorbents 41 along Longitudinal X both side edges are to extending out on the outside of horizontal Y.In sanitary napkin 1, under the lateral margin along longitudinal X of second 9 is located at State additional absorbents 41 along longitudinal X lateral margin and main absorber 40 along between longitudinal X lateral margin.In addition, second 9 Longitudinal X front and rear ora terminalis be located at sanitary napkin 1 longitudinal X front and rear ora terminalis, and the whole region of longitudinal X throughout sanitary napkin 1 Extension is present.
As second 9, hydrophilic non-woven, hydrophilic fiber assembly are preferably comprised.As non-woven fabrics, can enumerate Hot-wind nonwoven cloth, point bond non-woven fabrics, resin bonded non-woven cloth, spunlace non-woven cloth, air-laid nonwoven fabrics etc..As composition The fiber of the non-woven body, natural fiber, semisynthetic fibre, synthetic fibers can be used.As natural fiber, can enumerate paper pulp, Cotton, fiber crops etc..As semisynthetic fibre, triacetate fiber, diacetate fiber etc. can be enumerated.As synthetic fibers, poly- second can be enumerated Alkene, polyethylene terephthalate, polypropylene, polyvinyl alcohol individual fibers and include the compound of two or more these resin Fiber.As composite fibre, core-sheath-type, parallel type, core shift type etc. can be enumerated.
The grammes per square metre of second 9 is preferably 10g/m2Above and 50g/m2Hereinafter, and then preferably 15g/m2Above and 40g/m2 Below.In addition, the thickness of second 9 is preferably more than 0.1mm and below 5mm.
In excretory portion counterpart B, sanitary napkin 1 turns between skin side protuberance 21 and second 9 with positive dough sheet 2 The non-depressed socket part that the hollow bulb of hollow structure and the non-skin side protuberance 22 of positive dough sheet 2 are not crimped with absorber 4.With Under, part with the hollow bulb and the non-depressed socket part in excretory portion counterpart B is referred to as hollow maintenance portion.It is specific and Speech, the part beyond wire pressing trough 8 in the excretory portion counterpart B of sanitary napkin 1, positive dough sheet 2 are not pressed with second 9 Connect, formed with the hollow bulb as hollow structure between each skin side protuberance 21 of positive dough sheet 2 and second 9.In addition, The part beyond wire pressing trough 8 in the excretory portion counterpart B of sanitary napkin 1, positive dough sheet 2 are not crimped with second 9, shape The non-depressed socket part not being crimped with absorber 4 into the non-skin side protuberance 22 for having positive dough sheet 2.That is, in excretory portion counterpart B Hollow maintenance portion refer to part beyond the wire pressing trough 8 in sanitary napkin 1 in excretory portion counterpart B.Furthermore it is preferred that for just The thermo-compression bonding not being delivered to especially between dough sheet 2 and second 9 in crimping.Herein, " thermo-compression bonding " is different from that positive dough sheet 2 will be formed Composition fiber be fixed to one another and form the heat fused of non-woven fabrics, refer to while applying heat one to positive dough sheet 2 and second 9 While being compressed by embossing etc. makes its depression, so as to which positive dough sheet 2 be crimped with second 9.
Positive dough sheet 2 and the hollow maintenance portion of second 9 in excretory portion counterpart B need not be arranged on excretory portion counterpart B Whole region, simply by the presence of the middle section of the horizontal Y in excretory portion counterpart B.Herein, middle section refer to by Excretory portion counterpart B transversely Y trisections when positioned at centre region.It is easily real if hollow maintenance portion in the region be present The quick absorption of existing body fluid.
In addition, hollow maintenance portion exists by more than 50% area of the gross area relative to excretory portion counterpart B, Preferably exist with more than 70% area.If the scope, then the good matter as caused by hollow structure is easily maintained Ground.
The part beyond wire pressing trough 8 in the excretory portion counterpart B of sanitary napkin 1, when along above-mentioned cross one another 2 When a direction in individual different directions carries out section observation to positive dough sheet 2, multiple skin sides protuberance 21 of positive dough sheet 2 is formed It is connected with each other with the internal space S 1 of hollow structure between second 9.It is preferred that in sanitary napkin 1, each internal space S 1 not by Separate (not independent), as shown in figure 4, for example when the horizontal Y along a direction in above-mentioned 2 directions cuts open to positive dough sheet 2 When face is observed, the internal space S 1 of multiple skin sides protuberance 21 adjacent obliquely between longitudinal X and horizontal Y, S1 that This is connected, the mutual phase of internal space S 1, S1 be connected in by longitudinal X and horizontal Y shape into face side extend up.
In sanitary napkin 1, absorber 4 is formed by the layered product of absorbent sheet 411~413, and is had in excretory portion counterpart B There are multiple slots 43.Preferably as shown in figure 5, in top view absorber 4, absorber 4 has the profile for forming absorber 4 Main absorber 40 and configuration in the small-sized additional absorbents 41 of excretory portion counterpart B more main absorber 40.
In sanitary napkin 1, as shown in Fig. 2 main absorber 40 is by the substantially rectangular shape with radian that is corner during top view Shape and the absorbent sheet for extending to rear portion C 2 same shape formed objects by excretory portion counterpart B from front part A 411st, 412 formed.In addition, in sanitary napkin 1, as shown in Fig. 2 additional absorbents 41 are substantially rectangular shape in top view Shape, configure in excretory portion counterpart B.1 absorbent sheet 413 is folded and is set to 2 layers of construction and obtains by additional absorbents 41, Configure between 2 absorbent sheets 411,412 of main absorber 40 are formed.As described above, in sanitary napkin 1, by using 2 The main absorber 40 that absorbent sheet 411,412 is formed wraps into the additional absorbents 41 of the 2 layers of construction formed by absorbent sheet 413 And formed.
As shown in Fig. 2 had by the absorber 4 that absorbent sheet 411~413 is formed in excretory portion counterpart B by 2 layers of construction Main absorber 40 and 2 layers construction additional absorbents 41 formed 4 layers construction multi-layer portion 42.It is in addition, more in absorber 4 Part beyond layer portion 42 also turns into the lit-par-lit structure of the 2 layers of construction formed by the main absorber 40 of 2 layers of construction.Herein, such as Fig. 2 Shown, multi-layer portion 42 refers to the laminates number for forming the absorbent sheet of absorber 4 part more than the part around it. In sanitary napkin 1, the thickness of multi-layer portion 42 is thicker than the part around it, in excretory portion counterpart B formed with the side of positive dough sheet 2 The protrusion of (skin of sanitary napkin 1 is with respect to surface side) protuberance.Pass through the auxiliary of a part 2 layers of construction of configuration in main absorber 40 Absorber 41, it can easily and effectively increase the local absorptive capacity of absorber 4.It can not be engaged between absorbent sheet, It can also be engaged by bonding agent of sparse distribution etc..
The absorber 4 of sanitary napkin 1 is preferably more than 0.7mm in the thickness of multi-layer portion 42, and then preferably more than 1mm, separately Outside, preferably below 5mm, and then preferably below 4mm, more specifically, preferably more than 0.7mm and below 5mm, Jin Eryou Elect more than 1mm and below 4mm as.By the way that the thickness of multi-layer portion 42 is set into such a scope, it is easy for having concurrently formed with multi-layer portion 42 excretory portion counterpart B good wearing feeling and high absorbent properties.In addition, such as present embodiment sanitary napkin 1 that Sample, in the case that absorbent commodity has tab portion, easily suppress the absorber 4 when wearing and wrinkled in excretory portion counterpart B.Separately Outside, the thickness of part of the absorber 4 beyond multi-layer portion 42 is preferably more than 0.3mm, and then preferably more than 0.5mm, in addition, Preferably below 3mm, and then preferably below 2.5mm, more specifically, preferably more than 0.3mm and below 3mm, Jin Eryou Elect more than 0.5mm and below 2.5mm as.With regard to high absorbent properties and the tracing ability for improving action for wearer viewpoint and Speech, it is preferably the scope.
In addition, in the absorber 4 of sanitary napkin 1, both thickness of the middle high portion 42 with the border of its periphery or near it It is preferably below 2mm to spend poor (step difference), and then preferably below 1.5mm.Its object is to：In excretory portion counterpart B, suppression The border in high portion 42 and the region for only existing main absorber 40 of its peripheral part nearby produces fold in system.If the step difference compared with Greatly, then in the presence of following situation：When sanitary napkin 1 follows the action of wearer in dress, to fill up because of gap caused by step difference, As a result cause to be easy to produce fold due to the influence of step difference, but by the way that within the above range, step difference setting is made into suppression The effect that fold is produced in excretory portion counterpart B processed improves.The thickness of each several part of above-mentioned absorber 4 is surveyed by following methods It is fixed.
The assay method ＞ of the thickness of ＜ absorbers
Horizontal place is rested in a manner of not producing gauffer or bending using as the absorber of measuring object, is determined 5cN/cm2Load under thickness.The measure of thickness uses dial gauge formula thickness gauge (PEACOCK DIAL UPRIGHT GAUGES R5-C (OZAKI MFG.CO.LTD. manufactures)).Now, in the leading section of thickness gauge and the determination part of measuring object /, the plate (thickness 5mm or so acrylic panel) for circle or square is overlooked in configuration, turns into 5cN/cm with load2's The size of mode adjustment plate.
In addition, in sanitary napkin 1, as shown in Figure 1 and Figure 5, each slot 43 abreast configures with longitudinal X.That is, each slot 43 It is longitudinal slot along longitudinal X.In sanitary napkin 1, have along longitudinal X slot (longitudinal slot) 43 with scattered state It is formed at longitudinal X and the excretory portion gap zone 4S in horizontal the two directions of Y.
In sanitary napkin 1, slot 43 is formed through at least 1 layer of the layered product of the absorbent sheet 411~413 of absorber 4. In sanitary napkin 1, as shown in Fig. 2 when transversely Y sections observe absorber 4, slot (longitudinal slot) 43, which not only penetrates, to be had 1 layer of the absorber 4 of the multi-layer portion 42 of 4 layers of construction, also penetrate all layers of layered product.That is, slot (longitudinal slot) 43 throughout All layers of the thickness direction insertion absorber 4 of absorber 4.Preferably longitudinally multi-layer portion of the slot 43 in excretory portion counterpart B 42 and multi-layer portion 42 beyond position cut out formed throughout the otch that the thickness direction of absorber 4 is penetrated respectively.Such as Fig. 5 It is shown, the excretory portion gap zone 4S of multiple longitudinal slots 43 is configured with not only throughout excretory portion counterpart B, but also throughout preceding A square portion A part and a rear portion C part.That is, slot 43 will be located at the excretion present at least at excretory portion counterpart B The portion counterpart B region comprising slot 43 is referred to as excretory portion gap zone 4S.Therefore, excretory portion gap zone 4S is not necessarily referring to arrange Let out the position formed with slot in portion counterpart B region.It is readily incorporated to come formed with small space in longitudinal slot 43 From the discharged liquid of positive dough sheet 2, and because the cutting portion of longitudinal slot 43 is slightly compressed when carrying out otch processing, therefore inhale Speed is received further to improve.In addition, by making longitudinal slot 43, completely through absorber 4, the liquid for reaching absorber 4 easily arrives The non-skin of absorber 4 is reached with respect to surface side, absorber 4 can be efficiently used and absorb.
In sanitary napkin 1, formed as shown in figure 1, the lateral length of each longitudinal slot 43 is width W43 (reference picture 5) It is narrower than the mutual interval L21 (reference pictures of top 21T, 21T of the skin side protuberance 21 adjacent in the lateral direction y in positive dough sheet 2 4).In addition, the mutual interval L21 of top 21T, 21T forms the longitudinal slot that must be narrower than in the same slot row of horizontal Y extensions 43 mutual interval L43 (reference picture 5).Herein, the width W43 of slot refers on the direction orthogonal with the bearing of trend of slot The length of the slot.In addition, the width of so-called slot refers to be fixed on absorbent commodity before crotch of clothing etc. herein Do not apply the Breadth Maximum in the width under the nature of tension force, and be absorber 4 is absorbed the width before body fluid.Specifically For, the width W43 of the slot (longitudinal slot) 43 when overlooking each slot (longitudinal slot) 43 is preferably more than 0.1mm, and then Preferably more than 0.3mm, additionally, it is preferred that be below 1mm, and then preferably below 0.8mm, additionally, it is preferred that for more than 0.1mm and Below 1mm, and then preferably more than 0.3mm and below 0.8mm.
In order to by making the position of longitudinal slot 43 and the top 21T of skin side protuberance 21 location overlap subtract to try one's best The generating unit of the top 21T occurred in activity when wearing less bending, keep the conformable of product and maintain in dress just The good degree of the skin sense of touch of dough sheet 2, the mutual interval L21 (reference picture 4) of top 21T of skin side protuberance 21 relative to The ratio ((L21/L43) × 100) of longitudinal mutual interval L43 (reference picture 5) of slot 43 is preferably more than 10%, and then preferably For more than 30%, and preferably less than 70%, and then preferably less than 55%, it is then preferred that be more than 10% and less than 70%, And then preferably more than 30% and less than 55%.
Specifically, in sanitary napkin 1, longitudinal mutual interval L43 (reference picture 5) of slot 43 is preferably more than 3mm, is entered And preferably more than 7mm, additionally, it is preferred that be below 20mm, and then preferably below 15mm, additionally, it is preferred that for more than 3mm and Below 20mm, and then preferably more than 7mm and below 15mm.
In sanitary napkin 1, as long as the configuration of slot in excretory portion gap zone 4S is each slot in longitudinal X and horizontal Y The scattered configuration in the two directions, then there is no particular restriction, in form as shown in Figure 5 like that, has along the vertical of longitudinal X In the case of slot 43, the tandem L along multiple longitudinal slots 43 of longitudinal X arranged in series of sanitary napkin 1 is preferably comprised in horizontal stroke Formed with multiple rows of on to Y.Additionally, it is preferred that longitudinal slot 43 in tandem L, L adjacent in the lateral direction y in sanitary napkin 1 is vertical The configuration inconsistent to X position.
In sanitary napkin 1, as shown in figure 5, excretory portion gap zone 4S is formed in a manner of comprising multi-layer portion 42.In multilayer Portion 42, longitudinal slot 43 of more than 2 formed with 2 rows interval in the lateral direction y contained above preferably on longitudinal X Slot arrange, and then be preferably on longitudinal X formed with 3 rows more than, particularly preferably formed with 4 rows more than.In addition, each slot It is preferably more than 2 to arrange the bar number of longitudinal slot 43 of interval on horizontal X included, and then preferably more than 3. On excretory portion gap zone 4S longitudinal X, preferably in addition to the slot row that multi-layer portion 42 is included, leaned on compared with multi-layer portion 42 Both of longitudinal X front or behind or front and back also have slot rows more than 1 row or 2 rows.
Fig. 6 represents the example of the preferred disposition of longitudinal slot 43 in excretory portion gap zone 4S.Shown in these figures In configuration, the slot of a plurality of longitudinal slot 43 of interval arranges R1, R2 in sanitary napkin 1 on the horizontal Y of sanitary napkin 1 Alternately formed with multiple rows of on longitudinal X.In the configuration example shown in Fig. 6,2 longitudinal gaps comprising interval in the lateral direction y The slot of seam 43 is arranged R1, replaced with the slot row R2 of 3 longitudinal slots 43 comprising interval in the lateral direction y on longitudinal X Ground is formed.
In the example of the preferred disposition of longitudinal slot 43 shown in Fig. 6, as shown in Fig. 6 (a) and Fig. 6 (b), on vertical Longitudinal slot 43 on to X in 2 adjacent slots row R1, R2, a slot row R1 longitudinal slot 43 are configured at another Slot row R2 longitudinal slot adjacent in the lateral direction y central portion between 43,43 each other.Moreover, in longitudinal X of sanitary napkin 1 Without interval between upper adjacent slot row R1, R2.That is, it is not provided with longitudinal X between 2 adjacent slots row R1, R2 Interval.The performance without interval includes between adjacent slot row：Adjacent slot row R1, R2 as shown in Fig. 6 (a) The situation of the mutual position consistency in end of longitudinal slot 43；Slot row R1, R2's adjacent with as shown in Fig. 6 (b) is vertical To the end of slot 43 situation overlapping on longitudinal X each other.R1, R2 longitudinal gap are being arranged shown in such as Fig. 6 (b) with 2 slots In the case that the state that the end of seam 43 overlaps each other is configured on longitudinal X, the overlapping length L1 is preferably to form slot row Length L2 of the longitudinal slot 43 on direction X less than 20%, and then preferably less than 10%.In sanitary napkin 1, longitudinal direction The length L2 (reference picture 6) of slot 43 is preferably formed as the skin side protuberance 21 adjacent on longitudinal X that must be more than in positive dough sheet 2 The mutual interval of top 21T, 21T, preferably more than 10mm, and then preferably more than 15mm, additionally, it is preferred that for 35mm with Under, and then preferably below 25mm, additionally, it is preferred that be more than 10mm and below 35mm, and then preferably more than 15mm and 25mm Below.
In sanitary napkin 1, coating adhesive between positive dough sheet 2 and second 9 and between second 9 and absorber 4 and It is fixed.Known mechanism such as seam type coating gun, spiral spray gun, spray gun or point type spray gun (dot gun) can be used in bonding agent It is coated, is helical form preferably using spiral airbrush application for sanitary napkin 1.As the bonding agent of coating, such as preferably make Use hot-melt adhesive.The coating weight of hot-melt adhesive is preferably 1.5g/m2Above and 10g/m2Below.In addition, absorber 4 and the back of the body It can also be engaged between dough sheet 3 by bonding agent.
The formation material of each component parts of the sanitary napkin 1 of above-mentioned present embodiment is illustrated.
Such as bottom sheet can be used as positive dough sheet 2：The heat for the multi-ply construction that the piece is formed using monolayer constructions or laminated multi-layer Wind non-woven fabrics is as raw material non-woven fabrics, and for example by the method described in Japanese Unexamined Patent Publication 2013-133574 publications and appropriate Manufacture obtains.By the method described in Japanese Unexamined Patent Publication 2013-133574 publications and the positive dough sheet 2 manufactured, turn into and be not present Composition for the heat fuse of the shape of piece of the formation with skin side protuberance 21 and non-skin side protuberance 22.
, can there is no particular restriction that ground uses the various of the back sheet as absorbent commodity all the time as back sheet 3 Piece etc., such as the laminate of the resin film of liquid impermeability or water-repellancy, moisture permeable membrane, resin film and non-woven fabrics can be used etc..
As the absorbent sheet 411~413 for forming absorber 4, it can preferably use and gather via the water imbibition of moisture state The adhesive such as adherence force caused by compound or the bonding agent added in addition or adhesive fiber, make between composition fiber or form Between fiber and water absorbent polymer with reference to and the piece of sheet etc. is made.In addition, as absorbent sheet, can use：Pass through day The method that this Unexamined Patent 8-246395 publications are recorded manufactures obtained absorbent sheet；Make the comminution pulp supplied with air-flow After being accumulated with water absorbent polymer, with bonding agent (such as the bonding agent of vinyl acetate esters, PVA (polyvinyl alcohol) etc.) consolidation Dry type piece；After hot-melt adhesive etc. being coated between paper or non-woven fabrics, the absorbent sheet that spreads water absorbent polymer and obtain； Absorbent sheet allocated water absorbent polymer in spunbond or melt spraying non-woven fabrics manufacturing step and obtained etc..These absorbent sheets can incite somebody to action A piece of severing is used as pieces of absorbent body for given shape.
In addition, when forming slot in absorber 4 as sanitary napkin 1, by known shut-off mechanism by absorbent sheet Layered product partly cut off, such as following shearing device can be used, the shearing device has：Cutting roller, its The side face of roller, dispersedly formed with multiple cutting knifes extended in the circumferential in the circumference of roller and axial length direction；And anvil roller, it holds Connect the knife of the cutting roller.
In addition, the water absorbent polymer as composition absorber 4, such as Sodium Polyacrylate, (acrylic-ethylene can be enumerated Alcohol) copolymer, Sodium Polyacrylate crosslinked, (Starch with Acrylic Acid) graft copolymer, (isobutene-maleic anhydride) copolymerization Thing and its saponified, poly-aspartate etc..In addition, the absorbent sheet for forming absorber 4 is preferably all containing water absorbent polymer Water imbibition piece, can also be set to the water imbibition piece containing water absorbent polymer and the water imbibition piece for not containing water absorbent polymer Combination, and form the layered product of the water imbibition piece of absorber.
As lateral plate 5, all the time used in the art various can be used with no particular limitation, such as Layered product of the resin film of usable liquid impermeability or water-repellancy, resin film and non-woven fabrics etc..As other materials, such as Spun-bonded non-woven fabrics, the piece that spun-bonded non-woven fabrics (S) and melt spraying non-woven fabrics (M) Composite are formed (such as SM, SMS, SMMS can be enumerated Deng), fabric hot rolled nonwoven fabrics, water-repellancy (hydrophobicity) non-woven fabrics such as hot-wind nonwoven cloth.With regard to the good degree and lateral leakage protection of skin sense of touch Aspect for, particularly preferably use water-repellancy hot-wind nonwoven cloth.
As the forming method of tab portion paste section 71 and main body paste section 72 (anti-offset portion), can make with no particular limitation With the absorbent commodity for being fixed on the clothings such as underpants and using used method all the time.For example, can be direct by alite paste Be coated on back sheet 3 and formed, can also be coated with alite paste adhesive tape another side side engagement overleaf piece and formed.As For forming the alite paste of paste section, such as emulsion system, water system, the alite paste of solvent system can be enumerated.In addition, just obtain excellent For Anti-dislocation performance and stable productive viewpoint, anti-offset portion is preferably the alite pastes such as the fusible patch of coated heat and shape Into., can be preferably main similar using having unrestrictedly using the alite paste for being generally used for this article as such a alite paste The synthetic rubber based block copolymer of the basic structure of natural rubber.As this block copolymer, for example, can enumerate styrene- Isoprene-styrene block copolymer (SIS), styrene ethylene-propylene-styrol copolymer (SEPS), styrene-fourth Styrene block copolymer (SBS), styrene-ethylene-butylene-styrene copolymer (SEBS) etc..It is preferred that alite paste bag Containing one or more kinds of weight % of base polymer 10~65 selected from these block copolymers, particularly preferably 30~50 Weight %.In addition, as long as anti-offset portion can prevent from offseting between absorbent main body and the clothing for fixing it, then can not have yet Stickup property.
Wire pressing trough 8 (the first horizontal pressing trough 81, vertical pressing trough 82 and second horizontal pressing trough 83) can by with heat or Without Embossing processings such as the extrusion process (so-called Embossing processing) of heat or ultrasonic embossings, formed according to conventional method.
The action effect of above-mentioned sanitary napkin 1 is illustrated.
In sanitary napkin 1, as shown in figure 3, positive dough sheet 2 is to include multiple skin sides protuberance 21 with internal space S 1 With the piece of the sag and swell of multiple non-skin side protuberances 22 with internal space S 2, by using possessed by absorber 4 Slot 43 improves the conformable of product, skin side protuberance 21 is easily followed the activity of wearer in dress.In addition, defending In raw towel 1, the top 21T and non-skin side protuberance 22 of the fiber grammes per square metre of wall portion 21W, 22W higher than skin side protuberance 21 Top 22T fiber grammes per square metre, therefore quickly absorb drained body fluid using the top 21T of skin side protuberance 21 or be attached to The body fluid of skin, second 9 is pressed against by top in the activity when wearing, makes liquid fast transfer.At the same time, pass through Slot 43 possessed by absorber 4, the body fluid drained can be quickly absorbed into absorber 4, so as to suppress body fluid Diffusion on the surface of positive dough sheet 2.In addition, pass through the hollow structure between each skin side protuberance 21 of positive dough sheet 2 and second 9 The configuration with second 9 is made, can suppress to be absorbed into time liquid of the body fluid of absorber 4.Especially in sanitary napkin 1, draining The part beyond wire pressing trough 8 in portion counterpart B, when section as shown in Figure 4 is observed, form the more of positive dough sheet 2 The internal space S 1 of hollow structure between individual skin side protuberance 21 and second 9, S1 are connected with each other, internal space S 1, S1 It is mutual be connected to by longitudinal X and horizontal Y shape into face side extend up, therefore the body fluid drained can be inhaled more quickly Receive to absorber 4, can further suppress the diffusion of body fluid, and can further suppress to be absorbed into the body fluid of absorber 4 Return liquid.
In addition, as shown in figure 4, in positive dough sheet 2 possessed by sanitary napkin 1, wall portion 21W, 22W of skin side protuberance 21 Fiber grammes per square metre of the fiber grammes per square metre higher than the top 21T of skin side protuberance 21.In addition, the top 22T of non-skin side protuberance 22 Fiber grammes per square metre be less than wall portion 21W, 22W fiber grammes per square metre., can therefore, it is possible to quickly absorb body fluid by capillary force Body fluid is set to be transferred to absorber 4 by the top 22T of non-skin side protuberance 22 open-work 23.Especially in sanitary napkin 1, Top 22T is formed with open-work 23, therefore the significant effect.
In addition, as shown in figure 1, in sanitary napkin 1, positive dough sheet 2 is skin side protuberance 21 and non-flesh in top view The piece that skin side protuberance 22 is arranged alternately in a continuous manner along cross one another 2 different directions, therefore skin side protuberance 21 is easy Follow the directive activity of institute of wearer, conformable lifting when wearing.In addition, slot 43 is vertical possessed by absorber 4 To slot, as shown in figure 5, the excretory portion gap zone 4S of multiple longitudinal slots 43 is configured with not only throughout excretory portion counterpart B, Also throughout a front part A part and a rear portion C part.Therefore, easily bent with longitudinal slot 43 for starting point, when wearing Conformable lifting.Especially the top mutual interval L21 of 21T, 21T, which is formed, must be narrower than the same slot extended in the lateral direction y The mutual interval L43 of longitudinal slot 43 in row, thus as shown in Figure 2 section observation when, be not easy to be formed the position of slot 43 with The part of the top 21T of skin side protuberance 21 location overlap, the slot 43 of folding are not easily accessible to skin side protuberance 21 Internal space S 1 in, be not easy to hinder the skin sense of touch of positive dough sheet 2 itself.
In addition, as shown in Fig. 2 in sanitary napkin 1, the insertion of slot (longitudinal slot) 43 is with 4 layers of multi-layer portion 42 constructed Absorber 4 all layers, coating adhesive between second 9 and absorber 4 and fix.Therefore, it is possible to prevent when wearing Cause slot (longitudinal slot) 43 to be opened because of the activity of wearer excessive, can prevent because opening excessive slot (longitudinal gap Seam) 43 cause sanitary napkin 1 to wrinkle or fluid accumulation, so as to lift wearing feeling.
More than, the present invention is illustrated based on its preferred embodiment, but the absorbent commodity of the present invention is not By any restrictions of sanitary napkin 1 of above-mentioned embodiment, can suitably change.
For example, as shown in figure 3, positive dough sheet 2 possessed by sanitary napkin 1 includes multiple skin pleurapophysis with internal space S 1 Go out 21 21, portion and multiple non-skin side protuberances 22 with internal space S 2, positive dough sheet 2 is skin side in top view The piece that protuberance 21 and non-skin side protuberance 22 are arranged alternately in a continuous manner along cross one another 2 different directions, but as long as bag Include multiple skin sides protuberance 21 with internal space S 1 and multiple non-skin side protuberances 22 with internal space S 2 i.e. Can.For example, the or as shown in fig. 7, skin side protuberance 24 with the banded internal space S 3 extended on longitudinal X Alternately configured in the lateral direction y with the non-skin side protuberance 25 with the banded internal space S 4 extended on longitudinal X Sag and swell piece.In addition, the or skin side protuberance with the banded internal space S 3 extended in the lateral direction y 24 alternately match somebody with somebody with the non-skin side protuberance 25 with the banded internal space S 4 extended in the lateral direction y on longitudinal X The piece for the sag and swell put.Above-mentioned sag and swell piece shown in Fig. 7 by using can intermeshing a pair of concavo-convex rollers make nothing Spin pieces of cloth extension and form sag and swell, when section is observed, the top area of skin side protuberance 24 protrudes with non-skin side The fiber grammes per square metre of lateral region between the bottom section in portion can also form the fiber grammes per square metre that must be less than the skin side roof part region With the fiber grammes per square metre of the bottom section.
In addition, in sanitary napkin 1, as depicted in figs. 1 and 2, absorbent main body 10 skin opposite face (positive dough sheet 2 Skin opposite face), be integrally recessed the wire pressing trough 8 formed formed with positive dough sheet 2 and absorber 4 towards the side of back sheet 3, but Wire pressing trough 8 can not be formed.
In addition, in sanitary napkin 1, the layered product that absorber 4 is formed by folding absorbent sheet 411~413 is formed, but also may be used It is laminated with being bonded the absorbent sheet of multiple monolithics.In addition, the method for folding of absorbent sheet can use various Foldable squares Method.
In addition, as shown in Figure 1 and Figure 5, multiple slots 43 possessed by the absorber 4 of sanitary napkin 1 are longitudinal slot, but Can be the horizontal horizontal slot along sanitary napkin 1, or angled oblique along having relative to both longitudinal X and horizontal Y To slot, longitudinal slot can also be made to be mixed with horizontal slot.In addition, the as shown in Fig. 2 institute of absorber 4 of sanitary napkin 1 The multiple slots 43 having penetrate all layers of absorber 4 across the thickness direction of absorber 4, but as long as at least penetrating 1 layer i.e. Can.For further improving the conformable viewpoint of positive dough sheet 2, one layer of non-skin surface side, and slot are preferably at least penetrated 43 bending turns into the convex towards skin side, in the case of setting additional absorbents 41 in multi-layer portion 42, more preferably also passes through Logical additional absorbents 41.
In addition, the excretory portion gap zone 4S of the absorber 4 of sanitary napkin 1 can be made only in excretory portion counterpart B, also may be used A rear portion C part is extended to from excretory portion counterpart B, a front part A part can be also extended to from excretory portion counterpart B With a rear portion C part.In addition, the stacking number of the absorbent sheet in multi-layer portion 42 also can not be 2 or 3 for 4, It can be more than 5.In addition, multi-layer portion 42 and the difference of the laminates number of the absorbent sheet of the part beyond it can be 1 or 3 More than.
In addition, the absorbent commodity of the present invention be in addition to it can be sanitary napkin, or panty liner (vaginal secretion Thing protection pad), incontinence protection etc..
On the embodiment of the invention described above, following absorbent commodity is further disclosed.
A kind of absorbent commodities of the ＞ of ＜ 1, it includes absorbent main body, and the absorbent main body includes：Form skin opposite face Liquid permeability positive dough sheet, form non-skin opposite face back sheet and the absorber between the two pieces, and should Absorbent main body has：When wearing and the excretory portion counterpart of the excretory portion relative configuration of wearer, configuration are compared with the excretion Portion's counterpart is by the front part of the veutro of wearer and configuration at the rear compared with the excretory portion counterpart by the dorsal part of wearer Portion, above-mentioned absorbent commodity has longitudinal direction corresponding with the fore-and-aft direction of wearer and the transverse direction orthogonal with the longitudinal direction, above-mentioned Between positive dough sheet and above-mentioned absorber, second be made up of non-woven fabrics is configured with, above-mentioned positive dough sheet is with relative to skin Surface side is prominent and multiple skin sides protuberance with inner space and prominent to non-skin opposite face side and with inner space Multiple non-skin side protuberances sag and swell piece, in above-mentioned excretory portion counterpart, have above-mentioned skin side protuberance with It is not crimped with above-mentioned absorber as the hollow bulb of hollow structure and above-mentioned non-skin side protuberance between above-mentioned second Non-depressed socket part, when carrying out section observation to above-mentioned positive dough sheet, the top of above-mentioned skin side protuberance and above-mentioned non-skin pleurapophysis Fiber grammes per square metre of the fiber grammes per square metre of the wall portion gone out between the top in portion higher than the top of the skin side protuberance and the non-skin side The fiber grammes per square metre at the top of protuberance, above-mentioned absorber are formed by the layered product of absorbent sheet, are had in above-mentioned excretory portion counterpart There are multiple slots, above-mentioned slot penetrates at least 1 layer of above-mentioned layered product.
The absorbent commodity that the ＞ of the ＜ 2 such as ＞ of ＜ 1 are recorded, wherein, include above-mentioned hollow bulb in above-mentioned excretory portion counterpart Hollow maintenance portion with above-mentioned non-depressed socket part is present at least at the horizontal middle section in the excretory portion counterpart.
The absorbent commodity that the ＞ of the ＜ 3 such as ＞ of ＜ 2 are recorded, wherein, above-mentioned hollow maintenance portion is with relative to above-mentioned excretory portion phase The area that the gross area to portion is more than 50% is present.
The absorbent commodity that the ＞ of ＜ 4 such as any one of ＞ of the ＞ of ＜ 1 to ＜ 3 are recorded, wherein, in the flesh of above-mentioned absorbent main body Skin opposite face formed with above-mentioned positive dough sheet and above-mentioned second wire pressing trough for forming of being integrally recessed towards above-mentioned back sheet side, In above-mentioned excretory portion counterpart, the part beyond above-mentioned wire pressing trough, above-mentioned positive dough sheet with above-mentioned second not by Crimping.
The ＞ of ＜ 5 such as any one of ＞ of the ＞ of ＜ 1 to ＜ 4 record absorbent commodity, wherein, above-mentioned skin side protuberance with it is upper Non- skin side protuberance is stated alternately to configure in above-mentioned transverse direction.
The absorbent commodity that the ＞ of ＜ 6 such as any one of ＞ of the ＞ of ＜ 1 to ＜ 5 are recorded, wherein, in the above-mentioned positive dough sheet of top view When, above-mentioned skin side protuberance and above-mentioned non-skin side protuberance are arranged alternately in a continuous manner along cross one another 2 different directions.
The absorbent commodity that any one of the ＞ of ＜ 7 for example above-mentioned ＞ of the ＜ 5 or ＞ of ＜ 6 are recorded, wherein, in horizontal stroke in above-mentioned positive dough sheet The top of adjacent above-mentioned skin side protuberance is mutual at intervals of more than 2mm and below 30mm upwards.
The absorbent commodity that the ＞ of ＜ 8 such as any one of ＞ of the ＞ of ＜ 5 to ＜ 7 are recorded, wherein, above-mentioned slot is in above-mentioned longitudinal direction Longitudinal slot of upper extension, it is dispersed on the longitudinal direction and the two directions of above-mentioned transverse direction, in above-mentioned positive dough sheet in above-mentioned transverse direction The mutual interval in the top of adjacent above-mentioned skin side protuberance forms that must to be narrower than adjacent slot in above-mentioned transverse direction mutual Interval.
The ＞ of the ＜ 9 such as ＞ of ＜ 8 record absorbent commodity, wherein, the length of above-mentioned longitudinal slot formed must be longer than it is above-mentioned just The mutual interval in top of above-mentioned skin side protuberance adjacent in the vertical in dough sheet.
The absorbent commodity that the ＞ of the ＜ 10 such as ＞ of ＜ 8 or the ＞ of ＜ 9 are recorded, wherein, the length of above-mentioned longitudinal slot for 10mm with Upper and below 35mm.
The absorbent commodity that the ＞ of the ＜ 11 such as ＞ of ＜ 10 are recorded, wherein, the length of above-mentioned longitudinal slot for more than 15mm and Below 25mm.
The absorbent commodity that the ＞ of ＜ 12 such as any one of ＞ of the ＞ of ＜ 1 to ＜ 11 are recorded, wherein, above-mentioned second and above-mentioned suction Fixed between acceptor with bonding agent, above-mentioned slot penetrates all layers of above-mentioned layered product.
The absorbent commodity that the ＞ of the ＜ 13 such as ＞ of ＜ 12 are recorded, wherein, the mutual interval in top of above-mentioned skin side protuberance, Or the top of above-mentioned non-skin side protuberance is mutual at intervals of more than 3mm and below 15mm.
The absorbent commodity that the ＞ of ＜ 14 such as any one of ＞ of the ＞ of ＜ 1 to ＜ 13 are recorded, wherein, above-mentioned skin side protuberance Fiber grammes per square metre of the fiber grammes per square metre of wall portion higher than the top of above-mentioned skin side protuberance.
The absorbent commodity that the ＞ of ＜ 15 such as any one of ＞ of the ＞ of ＜ 1 to ＜ 14 are recorded, wherein, above-mentioned non-skin side protuberance Top fiber density less than its periphery fiber density.
The absorbent commodity that the ＞ of the ＜ 16 such as ＞ of ＜ 15 are recorded, wherein, the top of multiple above-mentioned non-skin side protuberances has Open-work.
The absorbent commodity that the ＞ of the ＜ 17 such as ＞ of ＜ 15 or the ＞ of ＜ 16 are recorded, wherein, the relation of fiber grammes per square metre is above-mentioned non-flesh The wall portion of the above-mentioned skin side protuberances of top ＜ of the above-mentioned skin side protuberances of top ＜ of skin side protuberance.
The absorbent commodity that the ＞ of ＜ 18 such as any one of ＞ of the ＞ of ＜ 1 to ＜ 17 are recorded, wherein, above-mentioned skin side protuberance Protrusion is shaped as hemispherical or cone shape.
The absorbent commodity that the ＞ of the ＜ 19 such as ＞ of ＜ 18 are recorded, wherein, the protrusion of above-mentioned skin side protuberance is shaped as hemisphere Body or circular cone, the frustum of a cone, pyramid, the frustum of a pyramid, oblique cone.
The absorbent commodity that the ＞ of ＜ 20 such as any one of ＞ of the ＞ of ＜ 1 to ＜ 19 are recorded, wherein, above-mentioned non-skin side protuberance Protrusion be shaped as the circular cone or truncated cone shape at top with radian.
The absorbent commodity that the ＞ of ＜ 21 such as any one of ＞ of the ＞ of ＜ 1 to ＜ 20 are recorded, wherein, the compression ratio of above-mentioned positive dough sheet For 40~95%.
The absorbent commodity that any one of for example above-mentioned ＞ of the ＞ of ＜ 1 to ＜ 21 of the ＞ of ＜ 22 are recorded, wherein, the pressure of above-mentioned positive dough sheet Contracting can be 0.98mNm/cm2Above and 9.8mNm/cm2Below.
The absorbent commodity that the ＞ of ＜ 23 such as any one of ＞ of the ＞ of ＜ 1 to ＜ 22 are recorded, wherein, the piece thickness of above-mentioned positive dough sheet For more than 1mm and below 3.5mm.
The absorbent commodity that the ＞ of ＜ 24 such as any one of ＞ of the ＞ of ＜ 1 to ＜ 23 are recorded, wherein, the grammes per square metre of above-mentioned second is 10g/m2Above and 50g/m2Below.
The absorbent commodity that the ＞ of the ＜ 25 such as ＞ of ＜ 24 are recorded, wherein, the grammes per square metre of above-mentioned second is 15g/m2Above and 40g/m2Below.
The absorbent commodity that the ＞ of ＜ 26 such as any one of ＞ of the ＞ of ＜ 1 to ＜ 25 are recorded, wherein, the thickness of above-mentioned second is More than 0.1mm and below 5mm.
The absorbent commodity that the ＞ of ＜ 27 such as any one of ＞ of the ＞ of ＜ 1 to ＜ 26 are recorded, wherein, above-mentioned slot is above-mentioned vertical The longitudinal slot upwardly extended, it is dispersed on the longitudinal direction and the two directions of above-mentioned transverse direction,
In above-mentioned transverse direction, the mutual interval in top of above-mentioned skin side protuberance is mutual relative to above-mentioned longitudinal slot The ratio at interval is more than 10% and less than 70%.
The absorbent commodity that the ＞ of the ＜ 28 such as ＞ of ＜ 27 are recorded, wherein, aforementioned proportion is more than 30% and less than 55%.
The absorbent commodity that the ＞ of ＜ 29 such as any one of ＞ of the ＞ of ＜ 1 to ＜ 28 are recorded, it is sanitary napkin.
Embodiment
Hereinafter, the absorbent commodity of the present invention is illustrated in further detail by embodiment.But the model of the present invention Enclose not by the embodiment any restrictions.
The ＞ of ＜ embodiments 1
Make sanitary napkin, the sanitary napkin have with Fig. 1 including the positive dough sheet shown in Fig. 3 and Fig. 4 and The identical of sanitary napkin 1 shown in Fig. 2 is formed substantially, is set to the sample of embodiment 1.As positive dough sheet, using logical Cross the piece of the method manufacture described in Japanese Unexamined Patent Publication 2013-133574 publications.For positive dough sheet, poly- pair is included with core with upper strata The 2.4dtex that PET and sheath include polyethylene forms 10gsm grammes per square metre, and lower floor includes poly- terephthaldehyde with core The 2.9dtex fibers that sour glycol ester and sheath include polyethylene form the mode of 15gsm grammes per square metre, are adjusted to amount to 25g/m2, By the overall thickness T of surfacingsIt is adjusted to 1.7mm.The value of the top 22T of non-skin side protuberance fiber grammes per square metre is 32 Root/mm2, the value of the top 21T of skin side protuberance fiber grammes per square metre is 39/mm2, the wall portion 21W of skin side protuberance fibre The value for tieing up grammes per square metre is 46/mm2.In addition, positive dough sheet in the lateral direction y adjacent skin side protuberance top 21T, 21T each other Interval L21 be 5mm, top 21T, 21T of adjacent skin side protuberance are mutual at intervals of 7mm on longitudinal X.As Two, be 25g/m using grammes per square metre2Hot-wind nonwoven cloth.On longitudinal slot possessed by the absorber that is formed as absorbent sheet, Its horizontal length is that width W43 is 0.3mm, and its longitudinal length L2 is 20mm, and longitudinal mutual interval L43 of slot is 10mm。
The ＞ of ＜ embodiments 2
Use using bottom sheet as positive dough sheet, make sanitary napkin similarly to Example 1 in addition.For front Piece, the grammes per square metre for the 2.4dtex formation 10gsm that polyethylene terephthalate and sheath include polyethylene is included with core with upper strata, Lower floor includes the grammes per square metre for the 2.9dtex fibers formation 15gsm that polyethylene terephthalate and sheath include polyethylene with core Mode, it is adjusted to amount to 25g/m2, by the overall thickness T of surfacings1.6mm is adjusted to, open-work is set near bottom Portion.The value of the top 22T of non-skin side protuberance fiber grammes per square metre is 29/mm2, the top 21T of skin side protuberance fibre The value for tieing up grammes per square metre is 40/mm2, the value of the wall portion 21W of skin side protuberance fiber grammes per square metre is 45/mm2
The ＞ of ＜ comparative examples 1
In the sample of embodiment 1, positive dough sheet is replaced with into the positive dough sheet 200 shown in Fig. 8, in addition with embodiment 1 The similarly sample of comparison example 1.Positive dough sheet 200 includes the fibre plate of monolayer constructions, and is formed fiber and crimped and shape Into recess 201 be configured to oblique clathrate.Positive dough sheet 200 formed with by the recess 201 of oblique clathrate it is blocking obtain it is more Individual zoning 202.Each zoning 202 turns into the convex portion relative to the relative protuberance of recess 201.Therefore, positive dough sheet 200 is point Multiple there is not be formed as the recess 201 of oblique clathrate and the zoning 202 as the convex portion surrounded by the recess 201 The piece of concaveconvex shape.In addition, filled up as in the zoning 202 of convex portion by the composition fiber of positive dough sheet 200.It is in addition, positive The grammes per square metre of piece 200 is 25g/m2, the width of recess 201 is 0.5mm, and the area of zoning 202 is 0.45cm2。
[evaluation]
For the sample of embodiment 1 and comparative example 1 (sanitary napkin), during respectively by following methods to liquid absorption Between, absorb residual quantity, liquid measure and diffusion area are evaluated.These results are represented in table 1 below.
＜ liquid absorption times ＞
Embodiment and the expansion of each sample of comparative example are positioned over experimental bench, on the sample, by major axis 50mm, short axle The 22.5mm high 30mm of cylindroid, the cylinder acrylic acid system injection integrally formed obtained acrylic acid fluid injection plate in cylindroid portion, with Its liquid injection hole is located at the overlapping placement of central mode of the excretory portion counterpart of the skin opposite face (positive dough sheet side) of the sample, puts Upper appropriate counterweight plate, which is adjusted to and (includes fluid injection plate itself) load, turns into 5g/m2.By Co., Ltd. NIPPO's N BIO-TEST systems The horse made takes off fiber blood in advance in (23 DEG C) regulations of room temperature, measures 6g and is placed in 10cc fluid injection beaker.The blood is disposable It is injected into the cylinder of above-mentioned fluid injection plate, measures and disappeared to the blood in cylinder from the moment that injection terminates and expose the front of sample Time (second) untill piece.3 measurements are carried out to each sample, are averaged liquid absorption time of the value as the sample.
＜ absorbs residual quantity ＞
On the plate of the smooth surface of horizontal positioned glass system, de- fiber horse blood (Co., Ltd. NIPPO N BIO- are added dropwise TEST is manufactured) 1g.Sanitary napkin is loaded in a manner of making positive dough sheet downward thereon.The state is kept after 1 minute, is removed Sanitary napkin, measure residue in the amount of the de- fiber horse blood of plate.3 measurements are carried out to each sample, are averaged value conduct The absorption residual quantity of the sample.
＜ place 2 minutes after liquid measure ＞
After aforesaid liquid soak time is determined, after keeping pressurized state to place 2 minutes in sample, by fluid injection plate together with weight Code removes together, will in the liquid absorption portion of sample (part that liquid is filled with the measure of aforesaid liquid soak time) 10 overlapping advance weighed absorption paper (length 170mm, width 70mm, grammes per square metre 30g/cm2) surface of sample is overlapped, The sample is pacified into crotch to shorts and through on dynamic locomopion model, making it walk 1 minute rapidly.Make the fortune of model after walking It is dynamic to stop, taking out absorption paper and weighed, calculate the liquid measure (g) that the absorption paper is drawn.3 measurements are carried out to each sample, It is averaged liquid measure of the value as the sample.
＜ liquid diffusion areas ＞
After the measure of above-mentioned liquid measure just terminates, OHP (Over Head Projector, projector) is placed with film On positive dough sheet, the profile that positive dough sheet is diffused as the part of red is drawn.Use the area for the inner side that can determine the profile Special-purpose software (manufacture of Image-ProPlus, (stock) NIPPON ROPER company), will be drawn by scanner on ohp film Image input personal computer and obtain liquid diffusion area.3 measurements are carried out to each sample, are averaged value as the sample The liquid diffusion area of product.
[table 1]
Unit Embodiment 1 Embodiment 2 Comparative example 1
Liquid absorption time Second (s) 12 10 12
Absorb residual quantity mg 6.5 7 9
Liquid measure after placing 2 minutes mg 330 370 400
Liquid diffusion area cm2 15 16 17
According to the result of table 1, it is known that the sanitary napkin of embodiment 1 compared with the sanitary napkin of comparative example 1, though Right liquid absorption time is identical, but it is less to absorb residual quantity.Understand the sanitary napkin of embodiment 2 and the physiology of comparative example 1 Compared with sanitary napkin, liquid absorption time is shorter, and it is less to absorb residual quantity.Therefore, the physiology of embodiment 1 and embodiment 2 is used Sanitary napkin can be expected quickly be absorbed into the body fluid drained in absorber compared with the sanitary napkin of comparative example 1. In addition, the sanitary napkin for understanding embodiment 1 and embodiment 2 is placed 2 minutes compared with the sanitary napkin of comparative example 1 Liquid measure afterwards is less, and liquid diffusion area is smaller.Therefore, the sanitary napkin of embodiment 1 and embodiment 2 and comparative example 1 Sanitary napkin compare, can expect that the diffusion of drained body fluid can be suppressed on the surface of positive dough sheet, and can press down System is absorbed into time liquid of the body fluid of absorber.
Industrial applicability
According to the absorbent commodity of the present invention, the body fluid drained can be quickly absorbed into absorber, can suppressed The body fluid drained is in the diffusion on the surface of positive dough sheet, and can suppress to be absorbed into the body fluid of absorber returns liquid.

Claims (29)

1. a kind of absorbent commodity, it includes absorbent main body, and the absorbent main body includes：The liquid for forming skin opposite face is saturating The positive dough sheet for the property crossed, the back sheet for forming non-skin opposite face and the absorber between the two pieces, and absorbability master Body has：When wearing and wearer excretory portion relative configuration excretory portion counterpart, be configured at compared with the excretory portion counterpart Front part by the veutro of wearer and it is configured at the rear portion compared with the excretory portion counterpart by the dorsal part of wearer, the suction The property received article has longitudinal direction corresponding with the fore-and-aft direction of wearer and the transverse direction orthogonal with the longitudinal direction, the spy of the absorbent commodity Sign is：
Between the positive dough sheet and the absorber, second be made up of non-woven fabrics is configured with,
The positive dough sheet is comprising prominent to skin opposite face side and have multiple skin sides protuberance of inner space and to non- Skin opposite face side is prominent and has the piece of the sag and swell of multiple non-skin side protuberances of inner space,
The excretory portion counterpart includes：Skin side protuberance and it is described second between turn into hollow structure in The non-depressed socket part that empty portion and the non-skin side protuberance are not crimped with the absorber,
When carrying out section observation to the positive dough sheet, the top of skin side protuberance and the top of the non-skin side protuberance Fiber grammes per square metre and the non-skin side protuberance of the fiber grammes per square metre of wall portion between portion higher than the top of the skin side protuberance The fiber grammes per square metre at top,
The absorber is formed by the layered product of absorbent sheet, has multiple slots in the excretory portion counterpart,
The slot penetrates at least 1 layer of the layered product.
2. absorbent commodity as claimed in claim 1, it is characterised in that：
The hollow maintenance portion comprising the hollow bulb and the non-depressed socket part in the excretory portion counterpart is present at least at this Horizontal middle section in excretory portion counterpart.
3. absorbent commodity as claimed in claim 2, it is characterised in that：
The hollow maintenance portion exists by more than 50% area of the gross area relative to the excretory portion counterpart.
4. such as absorbent commodity according to any one of claims 1 to 3, it is characterised in that：
The absorbent main body skin opposite face formed with the positive dough sheet and it is described second towards the back sheet side Integrally be recessed the wire pressing trough formed,
In the excretory portion counterpart, the part beyond the wire pressing trough, the positive dough sheet does not have with described second It is crimped.
5. such as absorbent commodity according to any one of claims 1 to 4, it is characterised in that：
Skin side protuberance alternately configures in the cross direction with the non-skin side protuberance.
6. such as absorbent commodity according to any one of claims 1 to 5, it is characterised in that：
In positive dough sheet described in top view, skin side protuberance and the non-skin side protuberance are along cross one another 2 Individual different directions are arranged alternately in a continuous manner.
7. the absorbent commodity as described in claim 5 or 6, it is characterised in that：
The top of skin side protuberance adjacent in the horizontal is mutual at intervals of more than 2mm and 30mm in the positive dough sheet Below.
8. the absorbent commodity as any one of claim 5~7, it is characterised in that：
The slot is in longitudinally extending longitudinal slot, is dispersed on the longitudinal direction and the two directions of the transverse direction,
The mutual interval in the top of skin side protuberance adjacent in the cross direction forms and must be narrower than in the positive dough sheet The mutual interval of adjacent slot in the cross direction.
9. absorbent commodity as claimed in claim 8, it is characterised in that：
The length of longitudinal slot forms the top that must be longer than skin side protuberance adjacent in the vertical in the positive dough sheet Mutual interval.
10. absorbent commodity as claimed in claim 8 or 9, it is characterised in that：
The length of longitudinal slot is more than 10mm and below 35mm.
11. absorbent commodity as claimed in claim 10, it is characterised in that：
The length of longitudinal slot is more than 15mm and below 25mm.
12. the absorbent commodity as any one of claim 1~11, it is characterised in that：
Described second is fixed between the absorber with bonding agent, and the slot penetrates all layers of the layered product.
13. absorbent commodity as claimed in claim 12, it is characterised in that：
The mutual interval in the top of skin side protuberance or the top of the non-skin side protuberance it is mutual at intervals of More than 3mm and below 15mm.
14. the absorbent commodity as any one of claim 1~13, it is characterised in that：
Fiber grammes per square metre of the fiber grammes per square metre of the wall portion of skin side protuberance higher than the top of the skin side protuberance.
15. the absorbent commodity as any one of claim 1~14, it is characterised in that：
Density of the density of the fiber at the top of the non-skin side protuberance less than the fiber of its periphery.
16. absorbent commodity as claimed in claim 15, it is characterised in that：
The top of multiple non-skin side protuberances has open-work.
17. the absorbent commodity as described in claim 15 or 16, it is characterised in that：
The relation of fiber grammes per square metre is：Flesh described in the top ＜ of skin side protuberance described in the top ＜ of the non-skin side protuberance The wall portion of skin side protuberance.
18. the absorbent commodity as any one of claim 1~17, it is characterised in that：
The protrusion of skin side protuberance is shaped as hemispherical or cone shape.
19. absorbent commodity as claimed in claim 18, it is characterised in that：
The protrusion of skin side protuberance is shaped as hemisphere or circular cone, the frustum of a cone, pyramid, the frustum of a pyramid, oblique cone.
20. the absorbent commodity as any one of claim 1~19, it is characterised in that：
The protrusion of the non-skin side protuberance is shaped as the circular cone or truncated cone shape at top with radian.
21. the absorbent commodity as any one of claim 1~20, it is characterised in that：
The compression ratio of the positive dough sheet is 40~95%.
22. the absorbent commodity as any one of claim 1~21, it is characterised in that：
The compression energy of the positive dough sheet is 0.98mNm/cm2Above and 9.8mNm/cm2Below.
23. the absorbent commodity as any one of claim 1~22, it is characterised in that：The piece thickness of the positive dough sheet For more than 1mm and below 3.5mm.
24. the absorbent commodity as any one of claim 1~23, it is characterised in that：
The grammes per square metre of described second is 10g/m2Above and 50g/m2Below.
25. absorbent commodity as claimed in claim 24, it is characterised in that：
The grammes per square metre of described second is 15g/m2Above and 40g/m2Below.
26. the absorbent commodity as any one of claim 1~25, it is characterised in that：
The thickness of described second is more than 0.1mm and below 5mm.
27. the absorbent commodity as any one of claim 1~26, it is characterised in that：
The slot is in longitudinally extending longitudinal slot, is dispersed on the longitudinal direction and the two directions of the transverse direction,
In the cross direction, the mutual ratio being spaced relative to longitudinal mutual interval of slot in the top of skin side protuberance Example is more than 10% and less than 70%.
28. absorbent commodity as claimed in claim 27, it is characterised in that：
The ratio is more than 30% and less than 55%.
29. the absorbent commodity as any one of claim 1~28, it is characterised in that：
The absorbent commodity is sanitary napkin.
CN201680039216.6A 2015-08-04 2016-07-07 Absorbent article Active CN107847374B (en)

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PCT/JP2016/070186 WO2017022403A1 (en) 2015-08-04 2016-07-07 Absorbent article

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TW201707664A (en) 2017-03-01
WO2017022403A1 (en) 2017-02-09

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