CN108024888A

CN108024888A - Absorbent commodity and its manufacture method

Info

Publication number: CN108024888A
Application number: CN201680050575.1A
Authority: CN
Inventors: 蔵前亮太; 恩田蓝子; 内田哲史
Original assignee: Kao Corp
Current assignee: Kao Corp
Priority date: 2015-10-07
Filing date: 2016-10-06
Publication date: 2018-05-11
Anticipated expiration: 2036-10-06
Also published as: JP2017070499A; JP6170978B2; RU2670015C1; CN108024888B; WO2017061567A1

Abstract

The present invention provides a kind of absorbent commodity (10), it includes absorber (1), the absorber (1) has multiple absorbability units (4) including strip matrix part (2) and water-absorbing polymeric particles (3), and respectively the absorbability unit (4) arranges in a manner of its longitudinal direction (Y) is at least towards a direction.Strip matrix part (2) includes hydrophilic.Only water-absorbing polymeric particles (3) are fixed with the surface of the skin opposite face of strip matrix part (2).Water-absorbing polymeric particles (3) are absorbed before liquid, the particle (3) does not project to the side edge part (2s) more than strip matrix part (2) in transverse direction (X), and after the particle (3) absorbs liquid, which is not swelling to more than the side edge part (2s) yet.

Description

Absorbent commodity and its manufacture method

Technical field

The present invention relates to absorbent commodity and its manufacture method.

Background technology

It is known have cut out in absorber used in the absorbent commodities such as disposable diaper, sanitary napkin, incontinence pad It is referred to as the narrow notch of slot etc., to improve the technology of the performance of absorber.Such as a kind of suction is recorded in patent document 1 The property received article, it, which is included in excretory portion counterpart, has the excretory portion slot for being formed as dispersity along longitudinal slot of longitudinal direction The absorber in region.According to the document, which can improve wearing feeling.

A kind of sanitary napkin is recorded in patent document 2, it includes the gap of the 4 row above to vertical or horizontal arrangement Stitch the absorber being provided spaced apart.According to the document, the absorber of the sanitary napkin can be easily deformed, in addition, absorber Rigidity relaxed by slot, therefore, leakage and foreign body sensation tail off.

Prior art literature

Patent document

Patent document 1：Japanese Unexamined Patent Publication 2015-42244 publications

Patent document 2：Japanese Unexamined Patent Publication 63-18122 publications

The content of the invention

But the absorber for absorbent commodity generally comprises fibrous material using paper pulp fiber as the absorbency of representative Formed with water-absorbing polymeric particles.In this absorber, when leaning on skin than there are the position of water-absorbing polymeric particles When other components are largely configured with respect to surface side, water-absorbing polymeric particles are difficult to contact with liquid, cannot give full play to suction sometimes The water absorbing properties that waterborne polymeric has.In addition, when in the skin of absorber with respect to surface side configuration water-absorbing polymeric particles, Sometimes the particle becomes the obstacle of penetration by liquid, due to the situation, produces leakage sometimes.In addition, water absorbent polymer is usual Lack the diffusion of liquid, therefore, easily liquid is accumulated at the position of the drained liquid in absorber, due to the situation, has Shi Rongyi causes back liquid.

The method used for solving the problem

The present invention provides a kind of absorbent commodity, it includes absorber, which has multiple absorbability units, and respectively The absorbability unit arranges in a manner of its longitudinal direction is at least towards a direction, and above-mentioned absorbability unit includes：Strip matrix Portion, it has horizontal, length than the horizontal long longitudinal direction and thickness direction；And water-absorbing polymeric particles, it is fixed on the length The surface of strip matrix part.

The strip matrix part includes hydrophilic.

Only above-mentioned water-absorbing polymeric particles are fixed with the surface of the skin opposite face of above-mentioned strip matrix part.

Before above-mentioned water-absorbing polymeric particles absorb liquid, which is not projecting laterally to More than above-mentioned strip matrix part along above-mentioned longitudinal side edge part, and liquid is absorbed even in the water-absorbing polymeric particles And in the state of being swollen, which is not swelling to more than the strip matrix part along its longitudinal direction yet Side edge part.

In addition, the present invention provides a kind of manufacture method of absorbent commodity, including following process：Conveying in one direction Hydrophilic strip matrix part substrate sheets a face surface, multiple positions coating in the horizontal separated by a distance is viscous Connect agent,

Conveyed in the substrate sheets for the above-mentioned strip matrix part for making to be coated with above-mentioned bonding agent along above-mentioned conveying direction Under state, the surface in the said one face coated with the bonding agent in the substrate sheets of the strip matrix part, horizontal at it Whole region spreads water-absorbing polymeric particles,

On the substrate sheets of above-mentioned strip matrix part of above-mentioned water-absorbing polymeric particles are scattered with, along above-mentioned defeated In the state of sending direction conveying, to the uncoated position between the position coated with the bonding agent, formed along its conveying direction Switch-in part, obtains narrow a plurality of strip matrix part, and manufactures absorber,

The said one surface side that water-absorbing polymeric particles are fixed with the absorber that manufacture obtains configures positive dough sheet, and And configure back sheet in another surface side of no fixed water-absorbing polymeric particles.

Brief description of the drawings

Fig. 1 is the schematic diagram along horizontal section for an embodiment for representing the absorbent commodity of the present invention；

Fig. 2 is the stereogram of the absorber in the absorbent commodity shown in Fig. 1；

Fig. 3 is to represent that absorbent commodity shown in Fig. 1 absorbs liquid, the state of water-absorbing polymeric particles swelling along The schematic diagram in horizontal section；

Fig. 4 is the skeleton diagram of an embodiment of the manufacture device for representing the absorbent commodity shown in Fig. 1；

Fig. 5 is the approximate three-dimensional map for the substrate sheets cutting part that the manufacture device shown in Fig. 4 has；

Fig. 6 is that the skeleton diagram of the another embodiment for the manufacture device for representing the absorbent commodity shown in Fig. 1 (corresponds to The figure of Fig. 4)；

Fig. 7 is that the stereogram of the another embodiment of the absorber in the absorbent commodity for represent the present invention (corresponds to The figure of Fig. 2).

Embodiment

The present invention relates to the improvement of the absorber in absorbent commodity, more specifically, it is related to a kind of including absorber Absorbent commodity, the absorber are not easy to hinder the transmission of the liquid of excretion, can give full play to the water imbibition of water absorbent polymer Can, it is not easy to cause leakage.

Hereinafter, the present invention is illustrated based on its preferred embodiment.The absorbent commodity of the present invention is commonly used in Absorb and keep the discharged body fluids such as urine or menses.Absorbent commodity includes such as disposable diaper, sanitary napkin and incontinence Protection pad etc., but this is not limited to, include being used for the article for absorbing the liquid from human body discharge extensively.

For typical case, absorbent commodity has：The absorber of liquid retainability；It is configured at the skin opposite face of the absorber The positive dough sheet of side；With back sheet of the non-skin with respect to surface side for being configured at the absorber.As positive dough sheet and back sheet, can not have With having especially limitation using commonly used material in the technical field.For example, as positive dough sheet, can use implement it is hydrophilic Change the piece of the liquid permeabilities such as various non-woven fabrics, the apertured film of processing.In addition, as back sheet, thermoplastic resin can be used Film or the liquid permeability of the layered product of the film and non-woven fabrics etc. or the piece of water-repellancy.Back sheet can also have vapor Permeability.In addition, absorbent commodity can also further include various parts corresponding with the particular use of the absorbent commodity.It is this Component is well known to the skilled artisan.Such as absorbent commodity is being applied to disposable diaper or physiology use , can be in left and right sides portion configuration a pair or more than two pairs of leakage-proof turnup in positive dough sheet in the case of sanitary napkin.In addition, inhale In the property received article, so-called secondary synusia can also be configured in the skin opposite face of absorber and at least one party of non-skin opposite face. Secondary synusia is arranged in the piece of the liquid permeability between absorber and positive dough sheet or between absorber and back sheet.

The section along transverse direction of an embodiment of the absorbent commodity of the present invention is schematically shown in Fig. 1.This Outside, the following description unless otherwise specified, be namely based on absorbent commodity absorb liquid before state explanation.The figure Shown absorbent commodity 10 includes absorber 1.In the skin of absorber 1 positive dough sheet 11 is configured with respect to surface side.On the other hand, In the non-skin of absorber 1 back sheet 12 is configured with respect to surface side.Fig. 2 is the absorber 1 of the absorbent commodity 10 shown in Fig. 1 Stereogram.

Absorber 1 has multiple absorbability units 4, which has：Strip matrix part 2, it has horizontal stroke To, length than laterally long longitudinal direction and the thickness direction；With the water absorbent polymer on the surface of being fixed on strip matrix part 2 Grain 3 (it is following, it is also referred to as " water absorbent polymer 3 ".), absorber 1 by by each absorbability unit 4 with its longitudinal direction at least towards The mode in one direction is arranged and formed.It in the following description, will laterally be represented, will longitudinally be represented with Y with X, by thickness direction Represented with Z.Horizontal X, longitudinal direction Y, thickness direction Z are mutually orthogonal.Horizontal X, longitudinal direction Y and the thickness direction Z of strip matrix part 2 with Horizontal X, the longitudinal direction Y of absorbability unit 4 are consistent with thickness direction Z, in present embodiment, as shown in Fig. 2, the horizontal stroke with absorber 1 It is also consistent with thickness direction Z to X, longitudinal direction Y.In addition, longitudinal Y of absorber 1 and wearer when wearing absorbent commodity 10 Anteroposterior direction is also consistent.

As shown in Fig. 2, absorber 1, towards in a manner of longitudinal Y of absorber 1, makes by longitudinal Y of absorbability unit 4 The absorbability unit 4 is arranged multiple and formed.On the horizontal X of absorber 1 between adjacent absorbability unit 4,4, from absorption Property unit 4 movement it is easy from the viewpoint of, become there is no intervention thing state.For example, each absorbability unit 4 become not by Intervene the state that thing surrounds.

The absorbability unit 4 of absorber 1 is formed as rectangular shape longer on longitudinal Y.The horizontal X's of absorbability unit 4 Length Lx is preferably more than 0.3mm below 10mm, more preferably more than 0.6mm below 2.0mm, more preferably 0.6mm with Upper below 1.8mm.The length Ly of longitudinal Y of absorbability unit 4 is preferably more than 2 times 3500 times relative to the length Lx of horizontal X Hereinafter, it is more preferably less than more than 100 times 700 times.To meet the multiplying power as condition, the length of longitudinal Y of absorbability unit 4 It is preferably more than 20mm below 1000mm to spend Ly, more preferably more than 200mm below 400mm.So 4 shape of absorbability unit Into elongated shape.

In this patent, water-absorbing polymeric particles 3 are fixed with the side edge part of strip matrix part, therefore, absorbability list The length Lx of the horizontal X of member 4 is preferably 0 μm of 1400 μ of ＜ (Lx-W2) ＜ relative to the magnitude relationship of strip matrix part width W2 M, more preferably 200 μm of 1000 μm of ＜ (Lx-W2) ＜.

In present embodiment, absorber 1 before use in the state of be formed as rectangular shape longer on longitudinal Y.Absorb The length of longitudinal Y of body 1 is more than 100mm below 1000mm left and right, and the length of horizontal X is more than 50mm below 300mm left and right.

Although it is not shown, but absorber 1 can also have clad sheet.Clad sheet is preferably with cladding at least towards a direction At least one of mode of the absorbability unit 4 of arrangement configures.As clad sheet, the piece with liquid permeability can be used. As this, such as paper and hydrophilic non-woven fabrics etc. can be enumerated.

Absorber 1 have by least facing one direction in a manner of arrange the absorption region that multiple absorbability units 4 obtain AT.Absorber 1 including absorption region AT is configured in absorbent commodity 10 the corresponding position at least with the excretory portion of wearer. From the viewpoint of easily liquid is absorbed in the region for being fixed with water-absorbing polymeric particles 3, when overlooking absorber 1, absorb The area of region AT is preferably more than 20% relative to the ratio of the overall area of the absorber 1, and more preferably 50% More than, also, it is preferred that be less than 100%, more preferably less than 90%.Specifically, be preferably more than 20% 100% with Under, more preferably less than more than 50% 90%.The ratio of absorption region AT refers to for 100%, such as with absorbability list Longitudinal Y of member 4 sets multiple absorbability units 4 towards the mode of longitudinal Y of absorber 1 side by side on the horizontal X of absorber 1 In the case of putting, the form of absorbability unit 4 is configured with the whole region between the both ends of longitudinal Y of absorber 1. In this case, absorbability unit 4 becomes in a manner of its longitudinal direction Y is towards longitudinal Y of absorbent commodity 10, throughout absorption region The state arranged to the whole region of longitudinal Y of AT.Alternatively, shown in Fig. 7 as be described hereinafter, refer to the vertical of absorbability unit 4 To Y towards the mode of the horizontal X of absorber 1, the situation for making multiple absorbability units 4 be arranged side by side on longitudinal Y of absorber 1 Under, in the form that absorbability unit 4 is configured with along the whole region between the both sides of longitudinal Y throughout absorber 1.This Outside, when overlooking absorber 1, the region beyond the AT of absorption region becomes non-gap zone NT described later.

By by longitudinal Y of absorbability unit 4 towards absorber 1 longitudinal Y in a manner of configure in the case of, absorbability list Member 4 preferably each absorber configure more than 3, further preferably configuration more than 50, also, it is preferred that configuration 1000 with Under, further preferably configuration less than 500.Specifically, below preferred disposition more than 3 1000, further preferably configuration Less than more than 50 500.In addition, by by longitudinal Y of absorbability unit 4 towards the horizontal X of absorber 1 in a manner of configure In the case of, absorbability unit 4 preferably configures more than 3, further preferably configuration more than 50 in each absorber, moreover, Below preferred disposition 3500, further preferably configuration less than 2000.Specifically, preferred disposition more than 3 3500 with Under, further preferably configuration less than more than 50 2000.The counting mode of absorbability unit 4 is defined as, and is marked and is located at transverse direction X Straight line when, the number when quantity of the absorbability unit intersected with the straight line becomes maximum.

From the viewpoint of conveying during manufacture is easy, absorber 1 is preferably that absorbability unit 4 is inhaled with its longitudinal direction Y directions The mode of longitudinal Y of acceptor 1 configures multiple forms.Particularly preferred multiple absorbability units 4 are matched somebody with somebody in a manner of not cross one another Put.Absorber 1 shown in Fig. 1 by using multiple strip matrix parts 2 with uniform width absorbability unit 4, with Longitudinal Y of absorbability unit 4 configures the absorbability unit 4 and is formed towards the mode of longitudinal Y of absorber 1.

Absorber 1 preferably at the both ends of longitudinal Y or along the both sides of longitudinal Y there are multiple strip matrix parts 2 to exist The non-gap zone NT being connected on horizontal X.Prolong as shown in Fig. 2, such as absorber 1 has along horizontal X at the both ends of longitudinal Y The non-gap zone NT stretched.That is, in the absorber 1 of present embodiment, there are a substrate sheets 20, in the longitudinal direction of the substrate sheets 20 The both ends of Y are equipped with non-gap zone NT, are equipped between the non-gap zone NT by cutting action described later to be formed Multiple strip matrix parts 2.When setting this non-gap zone NT, it is possible to achieve following advantageous effect：Before use Under state, the plate shape of absorber 1 is easily maintained, construction is not easy at random and easily conveying during fabrication.It is preferred that not in non-gap Stitch region NT configuration water-absorbing polymeric particles 3.If water-absorbing polymeric particles 3 are not configured in non-gap zone NT, i.e., Absorber 1 is set to absorb liquid, non-gap zone NT will not be subject to the deformation caused by the swelling of water-absorbing polymeric particles 3 Influence, therefore, after swelling in the state of also easily maintain absorber 1 plate shape, construction be not easy it is at random.At the same time, Easily liquid is absorbed in the region for being configured with water-absorbing polymeric particles 3.They hold as a result, producing in the overall of absorber 1 The advantages of easily obtaining the balance of maintenance of absorbency and plate shape.Particularly strip matrix part 2 longitudinal Y both ends area When domain does not configure water-absorbing polymeric particles 3, above-mentioned favourable each effect is more notable, so it is preferred that.Here, the shape after swelling State refers to, impregnates absorber 1 60 minutes in the physiological saline (0.9 mass % sodium-chloride water solutions) that temperature is adjusted to 25 DEG C The state of water-absorbing polymeric particles afterwards.

Absorber 1 as shown in Figure 2, has along the non-gap zone NT's of horizontal X extensions in the end regions of longitudinal Y In the case of, preferably the end regions of longitudinal Y of absorber 1, particularly both ends region, which are fixed on, forms absorbent commodity 10 Any component.The reason is that easily maintaining the plate shape of absorber 1, construction is not easy at random, and the softness of absorption region AT Degree improves, and is not easy to cause sense of discomfort to wearer.Above-mentioned component be with absorber 1 in the adjacent component in the opposite surface side of skin, Or in non-skin with respect to surface side adjacent component, preferably with absorber 1 in the adjacent component in the opposite surface side of skin and non- The skin component both sides adjacent with respect to surface side.As this component, for example, skin with respect to surface side when can enumerate positive dough sheet 11 or Secondary synusia or its both sides, back sheet 12 or secondary synusia or its both sides can be enumerated when non-skin is with respect to surface side.In addition, in absorber In the case that 1 has clad sheet, which is fixed on miscellaneous part and refers to, absorbability unit 4 is fixed on clad sheet, and Clad sheet is fixed on miscellaneous part.In this case, the fixed position F1 of absorbability unit 4 and clad sheet and clad sheet with it is another The fixed position F2 of component can be same position, or can also be different positions.

As shown in Figure 1, in absorber 1, only water imbibition is fixed with the surface of the skin opposite face of strip matrix part 2 and gathered Polymer beads 3.Surface i.e. only with the opposite face of positive dough sheet 11 in strip matrix part 2 is fixed with water-absorbing polymeric particles 3.Moreover, in the non-skin opposite face of strip matrix part 2 and side, it is non-existence to become water-absorbing polymeric particles 3 Or water-absorbing polymeric particles 3 are without fixed state.In addition, absorb liquid before state absorber 1 in, such as the figure institute Show, the 2 mutual position of strip matrix part of adjacent composition absorbability unit 4 is roughly the same on thickness direction Z.I.e., respectively Strip matrix part 2 is located at substantially on same plane.

When observing absorber 1 along longitudinal Y, in absorber 1, substantially evenly it there are in any part of longitudinal Y Water-absorbing polymeric particles 3.Equally, when observing absorber 1 along horizontal X, substantially evenly deposited in any part of horizontal X There are water-absorbing polymeric particles 3.In this way, in absorber 1, in the X-Y plane comprising longitudinal Y and transverse direction X, water-absorbent polymeric Composition granule 3 substantially evenly exists.The existing way of this water-absorbing polymeric particles 3 can be replaced, observes and inhales along horizontal X During acceptor 1, in middle section and lateral region, difference is set to the grammes per square metre of water absorbent polymer 3.Such as middle section can be made Water absorbent polymer 3 grammes per square metre it is higher than the grammes per square metre of the water absorbent polymer 3 of lateral region.On the contrary, it can also make middle section Water absorbent polymer 3 grammes per square metre it is lower than the grammes per square metre of the water absorbent polymer 3 of lateral region.In this case, middle section and The difference of the grammes per square metre of water absorbent polymer 3 in lateral region can also change stepwise, or can also continuously change (by Decrescence increase less or gradually).

Same on longitudinal Y, in middle section and end regions, it is poor that the grammes per square metre of water absorbent polymer 3 can be set. Such as along longitudinal Y observe absorber 1 when, can make middle section water absorbent polymer 3 grammes per square metre than end regions suction The grammes per square metre of waterborne polymeric 3 is high.On the contrary, the grammes per square metre of the water absorbent polymer 3 of middle section can be made than the water suction of end regions The grammes per square metre of property polymer 3 is low.In this case, the difference of the grammes per square metre of the water absorbent polymer 3 in middle section and end regions can To change stepwise, or it can also continuously change and (gradually decrease or gradually increase).

In addition, in absorber 1, as shown in Figure 1, in the state of before water-absorbing polymeric particles 3 absorb liquid, water suction Property polymer beads 3 do not project to side edge part 2s, 2s along longitudinal Y more than strip matrix part 2 in horizontal X.Moreover, In the state of before water-absorbing polymeric particles 3 absorb liquid, between the absorbability unit 4 adjacent along horizontal X There are gap S.Gap S is preferably dimensioned to be more than 0.1mm, more preferably more than 0.5mm.Additionally, it is preferred that for 5mm with Under, more preferably below 3mm.Such as gap S is preferably dimensioned to be more than 0.1mm below 5mm, more preferably More than 0.5mm below 3mm.

On the other hand, in absorber 1, as shown in figure 3, after water-absorbing polymeric particles 3 absorb liquid, which gathers Polymer beads 3 are not swelling to side edge part 2s, 2s along longitudinal Y more than strip matrix part 2 yet.For this purpose, originally In embodiment, in the absorbability unit 4 of absorber 1, by strip matrix part 2 and water-absorbing polymeric particles 3 via bonding Agent 5 is fixed.

In absorber 1, from water-absorbing polymeric particles 3 to the loading amount of strip matrix part 2, swelling obstruction, flexibility, Gas permeability, absorber 1 the maintenance of plate shape etc. from the viewpoint of, the width W2 of strip matrix part 2 is relative to absorber 1 The ratio (W2/W1) of width W1 is preferably more than 0.001, more preferably more than 0.002, also, it is preferred that for 0.200 with Under, more preferably less than 0.040.Specifically, it is preferably less than more than 0.001 0.200, more preferably 0.002 Below the above 0.040.

From the viewpoint of same, the width W2 of strip matrix part 2 is preferably more than 0.3mm, more preferably More than 0.6mm, also, it is preferred that be below 10mm, more preferably below 2.0mm, more preferably below 1.8mm.It is specific and Speech, the width W2 of strip matrix part 2 is preferably more than 0.3mm below 10mm, more preferably more than 0.6mm below 2.0mm, into One step is preferably more than 0.6mm below 1.8mm.The width W2 of strip matrix part 2 is the strip matrix part 2 along longitudinal Y The distance between both sides edge.The width W1 of absorber 1 is along the distance between both sides edge of absorber 1 of longitudinal Y.

From easily making liquid be spread in the AT of absorption region, and the viewpoint for improving the utilization ratio of water absorbent polymer 3 is come See, forming the strip matrix part 2 (substrate sheets) of absorbability unit 4 includes hydrophilic.Hydrophilic is defined as, one Bar form the contact angle of fiber less than 90 ° or be not fibrous material piece in the case of, the contact angle on its surface is less than 90 ° Piece.In addition, assay method is according to following methods.As hydrophily piece, it can use and for example be formed comprising hydrophilic material Tablet.As its example, the paper as the fibre plate formed comprising hydrophilic fibre, non-woven fabrics, fabric, fabric can be enumerated Bottom material etc..In addition, foaming body formed comprising hydrophilic resin etc. can be enumerated.These hydrophily pieces can be used alone, or Person can also combine two or more use.In these hydrophily pieces, even if from thin, tensile strength is also higher, and thin and flexible property From the viewpoint of height, preferably using non-woven fabrics.As non-woven fabrics, preferably using comprising being originally used for hydrophilic fiber as forming The hydrophilic non-woven of fiber and using comprising be originally used for hydrophobicity but impart hydrophilic fiber as form fiber it is hydrophilic Property non-woven fabrics etc..The grammes per square metre of the non-woven fabrics is preferably 5g/m²Above 100g/m²Hereinafter, it is more preferably 10g/m²Above 40g/ m²Below.Spun-bonded non-woven fabrics, melt spraying non-woven fabrics, spun lacing are used as hydrophilic non-woven, such as without special limitation Known non-woven fabrics in the technical field such as non-woven fabrics, hot-wind nonwoven cloth.

The assay method ＞ of the water-wetness of ＜ strip matrix parts

Water is relative to the contact angle or water of the composition fiber for the piece (hydrophily piece) for forming strip matrix part relative to length The contact angle on the surface of strip matrix part measures by the following method.As measurement device, consonance interface science strain formula strain is used The automatic contact angle meter MCA-J of formula commercial firm manufacture.Distilled water is used in contact angle determination.Will be from ink-jetting style water droplet discharge unit The liquid measure of (Cluster-tech companies manufacture, and discharge unit aperture is 25 μm of pulse injection device CTC-25) discharge is set as that 20 is micro- Water droplet, is added dropwise to the surface for forming fiber by microlitre (Pico liters).Make the high speed being connected with horizontally disposed video camera Recording apparatus records the situation dripped.From the viewpoint of image analysis and image analysis is carried out afterwards, recording apparatus is preferably It is assembled with the personal computer of high speed trap setting.In this measure, image is recorded per 17msec.In the image recorded, by water The initial image of the composition fiber of the skin opposite face to form non-woven fabrics or non-skin opposite face is dropped to, using attached soft (version of software is set to 2.6.2 to part FAMAS, and analytic method is set to sessile drop method, and analytic method is set to the method for θ/2, image processing algorithm Areflexia is set to, image procossing image mode is frame, and threshold level is set to 200, without curvature correction) image analysis is carried out, calculate Go out the face of water droplet and air contact and form filamentous angle, be set to contact angle.

In addition, in the case where strip matrix part is non-woven fabrics, with regard to the test sample (structure taken out from non-woven fabrics Into fiber) for, this composition fiber is placed in by the composition fiber of non-woven fabrics from outermost top layer with fibre length 1mm severings The sample stage of contact angle meter, is maintained horizontal, the contact angle at two different positions is respectively measured to this composition fiber.It is above-mentioned Each position in, the contact angle of measurement N=5, with next bit, will equal the measured value for adding up to 10 positions to decimal point The value (the following second of decimal point, round up) obtained is defined as each contact angle.

As the water absorbent polymer 3 on the surface for being fixed on strip matrix part 2, the technology of absorbent commodity can be used The various polymer used at present in field.Such as it can enumerate：Sodium Polyacrylate, (acrylic-ethylene alcohol) copolymer, polypropylene Sour sodium crosslinked, (Starch with Acrylic Acid) graft polymers, (isobutyiene-maieic anhydride) copolymer and its saponified, polyacrylic acid Potassium and polyacrylic acid caesium etc., individually or can mix two or more use by their a kind.As water-absorbing polymeric particles 3, according to the difference of its shape, there is amorphous-type, bulk type, bag-shaped type, spherolite cohesion type, bulbous-style etc., Any type can use.

The grammes per square metre for the water absorbent polymer 3 for being fixed on the surface of strip matrix part 2 is preferably 20g/m²More than, further Preferably 50g/m²More than.Additionally, it is preferred that it is 400g/m²Hereinafter, it is more preferably 300g/m²Below.Such as water-absorbent polymeric The grammes per square metre of thing 3 is preferably 20g/m²Above 400g/m²Hereinafter, it is more preferably 50g/m²Above 300g/m²Below.By with The grammes per square metre of the scope fixes water-absorbing polymeric particles 3, can obtain sufficient water absorbing properties.

The skin that is fixed in strip matrix part 2 passes through following side with respect to the grammes per square metre of the water absorbent polymer 3 of surface side Method is measured.

Assay method of the skin with respect to the grammes per square metre of the water absorbent polymer 3 of surface side is fixed in ＜ strips matrix part 2 ＞

Using solvent etc. water absorbent polymer of the skin with respect to surface side will be fixed on from strip in strip matrix part 2 Matrix part 2 is peeled off, and cleans the bonding agent for being attached to water absorbent polymer.After drying water absorbent polymer, measure is fixed on Skin with respect to the water absorbent polymer of surface side weight, according to the strip matrix part 2 for the part for being fixed with water absorbent polymer Area and peel off water absorbent polymer weight, calculate per unit area fixation water absorbent polymer weight, be set to Grammes per square metre of the skin with respect to the water absorbent polymer of surface side.5 are measured and calculates average value.

As make water-absorbing polymeric particles 3 be fixed on strip matrix part 2 surface method, such as have using be bonded The method of agent；The method chemically fixed using hydrogen bond etc..In addition, it is non-woven fabrics, fabric or fabric in strip matrix part 2 In the case of the fibre plate of bottom material etc., additionally it is possible to using making it form fibre pick, fix and inhale between the composition fiber of fluffing The method of polymerizable aqueous composition granule 3.In absorber 1 shown in Fig. 1, bonding agent 5 is used.That is, the water absorbent polymer of absorber 1 Particle 3 is fixed on the surface of strip matrix part 2 via bonding agent 5.In this way, water-absorbing polymeric particles 3 are solid via bonding agent 5 When the surface of strip matrix part 2, after the state or swelling before the use of absorber 1 in the state of, water-absorbent polymeric Composition granule 3 is difficult to come off, it is therefore preferable that using bonding agent 5.

As bonding agent 5, such as preferably using hot melt adhesive.As hot melt adhesive, can enumerate polystyrene, The hot melt adhesive of olefin-based.As polystyrene hot-melt adhesive, can be copolymerized using s-B-S Thing (SBS), styrene-isoprene-styrene copolymer (SIS), as SBS hydride styrene-ethylene-butadiene- Styrol copolymer (SEBS) and the mixed stocker hot melt adhesive of more than two kinds for being mixed with them.In these bonding agents, from From the viewpoint of the balance for easily obtaining viscous force and cohesiveness, particularly preferably it is bonded using the mixed stocker heat molten type of SIS and SBS Agent or the mixed stocker hot melt adhesive of SIS and SEBS.The coating amount of hot melt adhesive is preferably 0.5g/m²More than 100g/m²Hereinafter, it is more preferably 5g/m²Above 50g/m²Below.

In the absorbent commodity 10 of the present embodiment of structure with the above, water-absorbing polymeric particles 3 are configured at suction Skin in acceptor 1 is with respect to the surface of surface side, and therefore, which can rapidly contact with liquid.As a result, it can realize The good favourable effect of the absorption efficiency of liquid.In addition, the liquid of excretion can pass through the gap S edges between absorbability unit 4 Thickness direction Z promptly to pass through, and hence it is also possible to realize the favourable effect for being not easy the transmission for hindering liquid.On the basis On, under the free position before and after water-absorbing polymeric particles 3 absorb liquid, water-absorbing polymeric particles 3 do not exist Horizontal X projects to side edge part 2s, 2s along longitudinal Y more than strip matrix part 2, therefore, accordingly, is not easy to hinder liquid Along the transmission of thickness direction Z.After particularly water-absorbing polymeric particles 3 absorb liquid, the water-absorbing polymeric particles 3 are molten In the case of swollen side edge part 2s, 2s to more than strip matrix part 2, easily gel is caused to block, and the suction of present embodiment In the property received article 10, the generation of this gel closure is effectively inhibited.In addition, in the absorbent commodity 10 of present embodiment, Water-absorbing polymeric particles 3 are not present between absorbability unit 4, therefore, also has and is not easy to hinder between absorbability unit 4 Liquid is spread, the advantages of can the whole region of absorber 1 be kept effective for the absorption of liquid.

After water-absorbing polymeric particles 3 absorb liquid, as shown in figure 3, absorbability unit 4 is easily adjacent to form The strip matrix part 2 of absorbability unit 4,2 mutual positions mode different on thickness direction Z move.Here, " in thickness It is different on degree direction Z " there is a situation where the situation for for example staggering up and down He obliquely staggering, or cause the situation of both Deng.The movement is due to volume increase caused by the swelling of water-absorbing polymeric particles 3.The movement includes strip matrix part 2 along thickness direction Z the inclination both sides moved in parallel with strip matrix part 2 relative to thickness direction Z.Due to the movement, After water-absorbing polymeric particles 3 absorb liquid, gap S is also easily maintained between adjacent absorbability unit 4.Accordingly, Also the generation of gel closure is effectively inhibited, and is not easy the transmission for hindering liquid along thickness direction Z.

From the absorption by liquid, absorbability unit 4,4 is set to be moved freely through readily along thickness direction Z, and be more difficult to From the viewpoint of the swelling obstruction for causing water-absorbing polymeric particles 3, the water absorbent polymer of the state before absorption liquid The average grain diameter d1 of grain 3 is preferably more than 20 μm, more preferably more than 200 μm, also, it is preferred that for less than 700 μm, into one Step is preferably less than 500 μm.Specifically, it is preferably less than more than 20 μm 700 μm, more preferably more than 200 μm 500 μm Below.On the other hand, the average grain diameter d2 for absorbing the water-absorbing polymeric particles 3 of the state of the swelling of liquid is preferably 200 μ More than m, more preferably more than 800 μm, also, it is preferred that for less than 3000 μm, more preferably less than 2000 μm.Specifically For, it is preferably less than more than 200 μm 3000 μm, more preferably less than more than 800 μm 2000 μm.Water absorbent polymer The average grain diameter of grain 3 is tried to achieve by following assay method.

The assay method ＞ of the average grain diameter d1 of the water-absorbing polymeric particles of state before ＜ absorption liquid

For the average grain diameter d1 in the state of before use, using the water-absorbing polymeric particles before use, pass through light Micro- sem observation is learned to measure the diameter of water-absorbing polymeric particles or major axis.Diameter mentioned here refers to, water-absorbent polymeric Diameter when composition granule is spherical.In addition, major axis refers to, water-absorbing polymeric particles are diamond shape, rectangle, tufted, rugby Shape when special-shaped shape when longest axis.Measure adds up to the diameter or major axis of 50 water-absorbing polymeric particles, is counted Particle diameter is set to the average grain diameter of the water-absorbing polymeric particles of the state before use.

The assay method ＞ of the average grain diameter d2 of the water-absorbing polymeric particles of state after ＜ absorption liquid

For the average grain diameter d2 in the state of after swelling, the strip matrix of water-absorbing polymeric particles will be fixed with Portion 2 is impregnated in temperature and is adjusted in 25 DEG C of physiological saline (0.9 mass % sodium-chloride water solutions), dipping start 1 it is small when after will Strip matrix part 2 takes out from physiological saline, after hanging 30 minutes with plumbness to drip water, passes through optical microphotograph sem observation To measure the diameter of the water-absorbing polymeric particles on the surface of strip matrix part 2 or major axis.Diameter mentioned here refers to inhale Diameter when polymerizable aqueous composition granule is spherical.In addition, major axis refer to water-absorbing polymeric particles for diamond shape, rectangle, tufted, Rugby shape when special-shaped shape when longest axis.Measure adds up to the diameter or major axis of 50 water-absorbing polymeric particles, and Its number average bead diameter is set to the average grain diameter of the water-absorbing polymeric particles of the state after swelling.

In addition, make the viewpoint that absorbability unit 4,4 moves freely through readily along thickness direction Z from the absorption by liquid From the point of view of, the average grain diameter d1 of the width W2 and the water-absorbing polymeric particles of the state before absorption liquid of strip matrix part 2 Relation be that the value of d1/W2 is preferably more than 0.002, more preferably more than 0.100.Additionally, it is preferred that be less than 0.900, More preferably less than 0.800.Such as the value of d1/W2 is preferably less than more than 0.002 0.900, more preferably 0.100 Below the above 0.800.On the other hand, the width W2 of strip matrix part 2 and the water-absorbent polymeric of the state after absorption liquid The relation of the average grain diameter d2 of composition granule is that the value of d2/W2 is preferably more than 0.02, more preferably more than 0.45.In addition, Preferably less than 0.90, more preferably less than 0.80.Such as the value of d2/W2 is preferably less than more than 0.02 0.90, into one Step is preferably less than more than 0.45 0.80.

Then, a preferable embodiment party for the manufacture method of the absorbent commodity 10 of present embodiment is illustrated with reference to Fig. 4 Formula.Expression is preferred for the manufacture device 100 of the manufacture method of the absorbent commodity 10 of present embodiment in Fig. 4.This embodiment party The manufacture device 100 of formula is from the upstream side of manufacturing process downstream side, successively with adhesive applicating portion 120, water-absorbent polymeric Thing distribution portion 130 and substrate sheets cutting part 110.In addition, in manufacture device 100 shown in Fig. 4, adhesive applicating portion 120 is used With 130 integrated device of water absorbent polymer distribution portion, but adhesive applicating portion 120 and water absorbent polymer distribution portion 130 Can not also integration.Above-mentioned integrated device becomes such as lower structure：Adhesive applicating is configured with the upstream side of the device Portion 120, water absorbent polymer distribution portion 130 is configured with the downstream of the integrated device.

Adhesive applicating portion 120 be in the state of multiple strip matrix parts 2 are conveyed along conveying direction, The part of multiple position adhesive-applyings on the horizontal X on the surface in one face of each strip matrix part 2 separated by a distance.This reality In the manufacture device 100 for applying mode, as shown in figure 4, having applicator head 121.As applicator head 121, it can use that have can Bonding agent 5 is coated to a face of the substrate sheets 20 conveyed in one direction from multiple positions in horizontal X separated by a distance The applicator head 121 of the construction on surface.Applicator head 121 is formed as the width for having with the absorption region AT of absorber 1 on X1 directions Degree is the corresponding length of length of transverse direction X.The applicator head 121 so formed is configured on a face of strip matrix part 2.

Water absorbent polymer distribution portion 130 positioned at the downstream in adhesive applicating portion 120 is to be coated with bonding agent Strip matrix part 2 conveyed along conveying direction in the state of, be coated with the bonding in each strip matrix part 2 The part of the whole region of the horizontal X on the surface in one face of agent spreads water-absorbing polymeric particles 3.The manufacture of present embodiment In device 100, as shown in figure 4, having water absorbent polymer introduction part 131.In water absorbent polymer introduction part 131 without Especially limitation ground uses various known gatherers.Water absorbent polymer introduction part 131 be formed as on X1 directions have with The width of the absorption region AT of absorber 1 is the corresponding length of length of transverse direction X.In addition, 131 energy of water absorbent polymer introduction part The whole region of enough horizontal X in strip matrix part 2 spreads water-absorbing polymeric particles 3, and therefore, having can be along direction X1 spreads the construction of water-absorbing polymeric particles 3.The water absorbent polymer introduction part 131 so formed is configured at strip matrix On one face in portion 2.

Substrate sheets cutting part 110 positioned at the downstream in water absorbent polymer distribution portion 130 is to as strip matrix The substrate sheets 20 with hydrophilic banding of the raw material in portion 2 form a plurality of notch along its conveying direction, and obtain narrow A plurality of strip matrix part 2 part.In order to form a plurality of notch in substrate sheets 20, without special limitation using each Cutter device known to kind.In the manufacture device 100 of present embodiment, as shown in figure 5, using more with being configured with side face The rotating mould 111b of a cutter 111a, 111a, 111a and flat held with the side face of rotating mould 111b relative configurations Connect the cutter device 113 of roller 112.Each cutter 111a of cutter device 113 is configured along the direction of rotation of rotating mould 111b, more A cutter 111a, 111a, 111a are respectively on the orthogonal direction X1 of the conveying direction Y1 of the substrate sheets 20 with banding It is arranged.The mutual interval of adjacent cutter 111a, 111a and each strip matrix part 2 formed on orthogonal direction X1 The width length of (laterally (X-direction)) it is corresponding.Here, the longitudinal direction of the conveying direction Y1 of substrate sheets 20 and the absorber 1 of manufacture (Y-direction) is corresponding, and the transverse direction (X-direction) of absorbers 1 of the orthogonal direction X1 with manufacturing is corresponding.In addition, the cutting of substrate sheets 20 In, the cutter device for the cut mode that the mutual break-in in the side of cutter and bottom knife cut off can be made, can be made With the device that multiple longitudinal knives (Score cut knife) are arranged side by side in orthogonal direction X1, irradiation can also be used to swash The laser aid that light fuses.

Absorber 1 as shown in Figure 2, in the case that absorber 1 has non-gap zone NT at the both ends of longitudinal Y, example Such as, as long as shown in figure 5, the side face in each cutter 111a forms recess 114.The periphery of rotating cutter 111a The length of the circular arc of 114 part of recess corresponds to the non-gap zone NT's at the both ends of the absorber 1 with being configured at shown in Fig. 2 Total equal length of the length of longitudinal direction (Y-direction).As long as this multiple cutter 111a with recess 114 of preparation, 111a, 111a, and match somebody with somebody the recess 114 of cutter 111a adjacent on the X1 of direction, 114 mutual aligned in position The rotating mould 111b put.In addition, the circular arc of the part in addition to recess 114 of the periphery of rotating cutter 111a Length is corresponding with the length of the longitudinal Y for the strip matrix part 2 that the absorber 1 shown in Fig. 2 has.In addition, absorber 1 along In the case that the both sides of longitudinal Y have non-gap zone NT, as long as not configured in position corresponding with the non-gap zone NT Cutter 111a.

In manufacture device 100 shown in Fig. 4, integral with adhesive applicating portion 120 and water absorbent polymer distribution portion 130 Change the lower face side (another surface side) of the opposite position of device formed and the multiple strip matrix parts 2 conveyed, be configured with Vacuum conveyor 141.Vacuum conveyor 141 has the cricoid gas-permeable strip for being set up in driven roller 142 and multiple driven vollers 143 144 and across gas-permeable strip 144 and it is configured at the vacuum tank 145 of the position opposite with the device that above-mentioned integration forms.True A plurality of strip matrix part 2 is imported on empty conveyer 141.

In manufacture device 100 shown in Fig. 4, there is the driving that substrate sheets 20 are sent out from the blank volume of the substrate sheets 20 of banding The driven roller 152 of roller 151 and precursor 1b to the manufactured absorber 1 of most downstream side conveying.

The method that explanation manufactures the absorbent commodity for including absorber 1 using above-mentioned manufacture device 100 below.The manufacture Method includes following process.

(A) on the surface in a face of the substrate sheets conveyed in one direction, to multiple positions in transverse direction separated by a distance The process of adhesive-applying.

(B) be coated with above-mentioned bonding agent substrate sheets conveyed along conveying direction in the state of, in the substrate sheets The surface in a face coated with the bonding agent, in the process that its horizontal whole region spreads water-absorbing polymeric particles.

(C) the above-mentioned substrate sheets of above-mentioned water-absorbing polymeric particles are being scattered with, what is conveyed along above-mentioned conveying direction Under state, the uncoated position between the position coated with the bonding agent, forms notch along the conveying direction, obtains narrow A plurality of strip matrix part, and the process for manufacturing absorber.

Hereinafter, each process is illustrated.

First, it is before the process of (A) is implemented, vacuum tank 145 is interior by making connected exhaust apparatus carry out work Make and be set to negative pressure.Then, it is driven driven roller 151 and driven roller 152, revolves cutter device 113 and gas-permeable strip 144 Turn, vacuum conveyor 141 is worked.Then, using driven roller 151 base material is sent out from the blank volume of the substrate sheets 20 of banding Piece 20.

(A) in process, on the surface in a face of the substrate sheets 20 sent out from blank volume, in the horizontal separated by a distance Multiple position adhesive-applyings 5.20 one side of substrate sheets is conveyed using vacuum conveyor 141, while on vacuum tank 145 Period, using the applicator head 121 in adhesive applicating portion 120, to the surface in a face of the substrate sheets 20, removes non-cutting portion Beyond NTb, along conveying direction Y1 compartment of terrain adhesive-applying 5.

At this time, multiple position adhesive-applyings 5 on horizontal X separated by a distance are very important.By using this Form of application, absorber 1 before absorbing liquid after free position under, water-absorbing polymeric particles 3 not horizontal X protrude To the side edge part 2s for exceeding strip matrix part 2.The water-absorbing polymeric particles 3 of distribution are via coated on strip matrix part 2 A face surface bonding agent 5 be firmly secured to strip matrix part 2 a face surface.

Carry out (A) process when, using with can be from horizontal X separated by a distance multiple positions bonding agent 5 is applied The applicator head 121 of the construction on the surface in one face of the substrate sheets 20 conveyed in one direction.

In the process of (B) after the process of (A), a face coated with bonding agent 5 in the face of substrate sheets 20 Surface, water-absorbing polymeric particles 3 are spread in the whole region of horizontal X.Substrate sheets 20 are being conveyed and position by vacuum conveyor 141 During on vacuum tank 145, on the surface in a face coated with bonding agent 5, spread water imbibition along conveying direction Y1 and gather Polymer beads 3.But water-absorbing polymeric particles 3 are not spread in non-cutting portion NTb.At this time, being coated with substrate sheets 20 The one side of bonding agent 5, the whole region throughout horizontal X carry out.

Water-absorbing polymeric particles 3 are spread in this way, are formed water-absorbing polymeric particles 3 and are fixed on via bonding agent 5 Multiple absorbability units 4 on the surface of the one side (upper surface) of strip matrix part 2.The multiple absorbability units 4 so formed Arranged in a manner of respective longitudinal direction (Y-direction) is towards conveying direction Y1, form the precursor 1b of absorber 1.

Then, in the process of (C), the substrate sheets 20 for being scattered with water-absorbing polymeric particles 3 is supplied to substrate sheets and are cut Between cutting multiple cutter 111a of the rotating mould 111b in the cutter device 113 in portion 110 and accepting roller 112, along conveying side Notch is formed to Y1, obtains the suction on surface that there are narrow multiple strip matrix parts 2 and be fixed on the strip matrix part 2 Multiple absorbability units 4 of polymerizable aqueous composition granule 3.The position for forming notch is set to conveying substrate sheets along conveying direction Y1 Uncoated position in the state of 20 between the position coated with bonding agent.In thus obtained each absorbability unit 4, become The position of the central field of its transverse direction X, the state of water-absorbing polymeric particles 3 is secured along longitudinal Y.In this way, form water imbibition Polymer beads 3 are only fixed on multiple absorbability units 4 on the surface in a face of strip matrix part 2.What is so formed is more A absorbability unit 4 arranges in a manner of respective longitudinal direction Y is towards conveying direction Y1, forms the precursor 1b of absorber 1.

In the present embodiment, as shown in figure 4, being divided with the multiple cutter 111a configured in the direction of rotation of rotating mould 111b It is not arranged with the orthogonal direction X1 of the conveying direction Y1 of the substrate sheets 20 with banding, therefore, by 20 edge of substrate sheets of banding The conveying direction Y1 cuttings of substrate sheets 20, and multiple position cuttings are carried out on orthogonal direction X1, form multiple absorbabilities Unit 4.In addition, the part cut by cutter 111a becomes the side edge part 2s of absorbability unit 4.

In addition, in the present embodiment, multiple cutter 111a have recess 114 respectively, therefore, in the base of the banding of conveying On material piece 20, the Length Quantity of longitudinal Y of absorbability unit 4 is separated, alternately forms the length with longitudinal Y of non-gap zone NT The corresponding non-cutting portion NTb of 2 times of Length Quantity.Pass through multiple absorbability units 4 that cutting action is formed and conveying direction Y1 It is formed parallel to, and is arranged side by side and configures on orthogonal direction X1.

Then, by the precursor 1b of absorber 1, using driven roller 152, downstream side conveys, using known disconnecting device (not Diagram), precursor 1b is cut off in the position of the bisection of the length of the conveying direction Y1 of each non-cutting portion NTb.By This, continuous manufacture has the absorber 1 of the non-gap zone NT along horizontal X extensions at the both ends of longitudinal Y.In this way, according to This manufacture device 100 and this manufacture method for having used the device, can manufacture absorber 1 stability and high efficiency.Then, according to public affairs The process known, a surface side for the being fixed with water-absorbing polymeric particles 3 configuration positive dough sheet in absorber 1, and do not having Another surface side configuration back sheet of the particle of fixed water absorbent polymer 3, further as needed, configures other components, thus, Obtain the absorbent commodity as target.

, also can be following using including as the variation of the manufacture method of the process including above-mentioned (A)~(C) The method of the process of (A ')~(C ').

(A ') on the surface in a face of the hydrophilic substrate sheets conveyed in one direction, in its horizontal whole region The process of adhesive-applying.

(B ') in the state of being coated with the above-mentioned substrate sheets of above-mentioned bonding agent and being conveyed along above-mentioned conveying direction, at this The surface in coated with the bonding agent the face in substrate sheets, in the horizontal multiple positions separated by a distance spread water imbibition and gather The process of polymer beads.

(C ') is being scattered with the above-mentioned substrate sheets of above-mentioned water-absorbing polymeric particles, what is conveyed along above-mentioned conveying direction Under state, to the non-distribution position being scattered between the position of the water-absorbing polymeric particles, formed and cut along the conveying direction Mouthful, obtain narrow a plurality of strip matrix part, and the process for manufacturing absorber.

In the process of (A '), on the surface in a face of substrate sheets 20, in the whole region coating of the horizontal X of substrate sheets 20 Bonding agent 5.20 one side of substrate sheets is conveyed using vacuum conveyor 141, while during on vacuum tank 145, using viscous The applicator head 121 of agent coated portion 120 is connect, to the surface in a face of the substrate sheets 20, is removed beyond non-cutting portion NTb, along Conveying direction Y1 compartment of terrain adhesive-applying 5.

In the process of (B ') after the process of (A '), a face of bonding agent 5 is coated with the face of substrate sheets 20 Surface, water-absorbing polymeric particles 3 are spread to multiple positions separated by a distance in transverse direction.Substrate sheets 20 are with vacuum conveyor 141 conveyings, during on vacuum tank 145, to the surface in a face coated with bonding agent 5, along conveying direction Y1 Spread water-absorbing polymeric particles 3.But water-absorbing polymeric particles 3 are not spread in non-cutting portion NTb.

At this time, the surface in the face coated with bonding agent 5 in substrate sheets 20, to separated by a distance more on horizontal X A position spreads water-absorbing polymeric particles 3 and is very important.By using this distribution form, absorber 1 is in absorbing liquid Under the front and rear free position of body, water-absorbing polymeric particles 3 are not projected to more than strip matrix part 2 in horizontal X Side edge part 2s.The water-absorbing polymeric particles 3 of distribution via the surface in a face coated on strip matrix part 2 bonding agent 5 are firmly secured to strip matrix part 2.

When carrying out the process of (B '), using with can be from horizontal X separated by a distance multiple positions by water imbibition Polymer beads 3 are coated to the water absorbent polymer of the construction on the surface in a face of the substrate sheets 20 along a direction conveying Distribution portion 130.

Then, in the process of (C '), the substrate sheets 20 of water-absorbing polymeric particles 3 are being scattered with, along conveying direction Y1 forms notch, obtains having narrow multiple strip matrix parts 2 and is fixed on the water-absorbent polymeric of the strip matrix part 2 Multiple absorbability units 4 of composition granule 3.The position for forming notch is set in the shape for conveying substrate sheets 20 along conveying direction Y1 The non-distribution position being scattered with state between the position of water-absorbing polymeric particles 3.In thus obtained each absorbability unit 4, As the state for being fixed with water-absorbing polymeric particles 3 along longitudinal Y in the position of the central field of its transverse direction X.Inhaled in this way, being formed Polymerizable aqueous composition granule 3 is only fixed on multiple absorbability units 4 on the surface in a face of strip matrix part 2.So formed Multiple absorbability units 4 arranged in a manner of respective longitudinal direction Y is towards conveying direction Y1, formed absorber 1 precursor 1b.So Afterwards, the program identical with the method using the manufacture device shown in Fig. 4 is carried out, be absorbed body 1 and absorbent commodity 10.

Expression has used the manufacture method of another manufacture device 100 in Fig. 6.It is first in the manufacture method illustrated so far First, the coating of bonding agent 5 and the distribution of water-absorbing polymeric particles 3 are carried out on the surface in a face of substrate sheets 20, it is right afterwards Substrate sheets 20 form a plurality of notch along conveying direction Y1, but in the manufacture method of present embodiment, first, in substrate sheets 20, a plurality of notch along conveying direction Y1 is formed, after obtaining narrow multiple strip matrix parts 2, in the strip base The surface in one face in body portion 2 carries out the coating of bonding agent 5 and the distribution of water-absorbing polymeric particles 3.Hereinafter, narration should in detail Manufacture method.In addition, on the manufacture device 100 shown in Fig. 6 and the manufacture method of the manufacture device has been used, especially for It is unaccounted, can be suitably using on the manufacture device 100 shown in Fig. 4 and the manufacture method for having used the manufacture device Described above.

Manufacture device 100 shown in Fig. 6 is from the upstream side of manufacturing process downstream side, successively with substrate sheets cutting part 110th, adhesive applicating portion 120 and water absorbent polymer distribution portion 130.System shown in the construction and Fig. 4 in each portion 110,120,130 It is the same to make device.The method that explanation includes the absorbent commodity of absorber 1 using the manufacture device 100 manufacture below.The manufacture Method includes following process.

(D) in the hydrophilic substrate sheets conveyed in one direction, a plurality of notch along its conveying direction is formed, is obtained The process of narrow a plurality of strip matrix part.

(E) in the state of a plurality of strip matrix part is conveyed along conveying direction, only into each strip matrix part A face surface horizontal middle section adhesive-applying process.

(F) state conveyed in the above-mentioned strip matrix part for being coated with above-mentioned bonding agent along above-mentioned conveying direction Under, the horizontal whole region on the surface in coated with the bonding agent the face in each strip matrix part, spreads water suction Property polymer beads 3, and the process for manufacturing absorber.

Hereinafter, each process is illustrated.

In the process of (D), the substrate sheets 20 sent out will be rolled up from the blank of the substrate sheets 20 of banding using driven roller 151, Multiple cutter 111a of the rotating mould 111b being supplied in the cutter device 113 of substrate sheets cutting part 110 with accept roller 112 it Between, the substrate sheets 20 of banding are cut, form multiple strip matrix parts 2.In the present embodiment, as shown in figure 5, configuration is rotating Multiple cutter 111a of the direction of rotation of mould 111b are respectively in the orthogonal directions of the conveying direction Y1 of the substrate sheets 20 with banding It is arranged on X1, therefore, the substrate sheets 20 of banding is cut along the conveying direction Y1 of substrate sheets 20, and in orthogonal direction Multiple positions are cut on X1, form multiple strip matrix parts 2.In addition, being cut the part of knife 111a cuttings becomes strip The side edge part 2s of matrix part 2.

In this manufacture method, rotating mould 111b has recess 114, therefore, in the substrate sheets 20 of the banding of conveying, separate The Length Quantity of longitudinal Y of strip matrix part 2, alternately forms the length with 2 times of the length of longitudinal Y of non-gap zone NT Measure corresponding non-cutting portion NTb.(D) multiple strip matrix parts 2 and the conveying direction Y1 formed in process is formed parallel to, And it is arranged side by side and configures on orthogonal direction X1.

Then, in the process of (E), the horizontal central area only on the surface in a face of multiple strip matrix parts 2 Domain adhesive-applying 5.Multiple 2 one side of strip matrix part are conveyed using vacuum conveyor 141, while positioned at vacuum tank 145 During upper, the applicator head 121 in adhesive applicating portion 120, only multiple strips to being arranged side by side in orthogonal direction X1 are utilized The middle section on the surface in one face of shape matrix part 2, removes beyond non-cutting portion NTb, is applied along conveying direction Y1 compartment of terrain Apply bonding agent 5.When carrying out the process of (E), as long as bonding agent 5 can be only coated to what is conveyed in one direction using having The applicator head 121 of the construction of the substantially central portion of the horizontal X on the surface in one face of substrate sheets 20.

In the process of (F) after the process of (E), coated with bonding agent 5 in the face of multiple strip matrix parts 2 The whole region of the horizontal X on the surface in one face, spreads water-absorbing polymeric particles 3.Strip matrix part 2 is transmitted by vacuum Machine 141 conveys, and on the vacuum tank 145 during, on the surface in a face coated with bonding agent 5, along conveying direction Y1, the whole region throughout horizontal X spread water-absorbing polymeric particles 3.But water imbibition is not spread in non-cutting portion NTb and is gathered Polymer beads 3.

The water-absorbing polymeric particles 3 of distribution via the surface in a face coated on strip matrix part 2 bonding agent 5, it is firmly secured to strip matrix part 2.In this way, forming water-absorbing polymeric particles 3 is only fixed on strip matrix part 2 Multiple absorbability units 4 on the surface in one face.The multiple absorbability units 4 so formed are conveyed with respective longitudinal direction Y directions The mode of direction Y1 arranges, and forms the precursor 1b of absorber 1.

Then, by the precursor 1b of absorber 1, using driven roller 152, downstream side conveys, using known disconnecting device (not Diagram), precursor 1b is cut off in the position of the bisection of the length of the conveying direction Y1 of each non-cutting portion NTb.By This, continuous manufacture has the absorber 1 of the non-gap zone NT along horizontal X extensions at the both ends of longitudinal Y.In this way, according to This manufacture device 100 and this manufacture method for having used the manufacture device, can manufacture absorber 1 stability and high efficiency.Then, root According to known process, a surface side for the being fixed with water-absorbing polymeric particles 3 configuration positive dough sheet in absorber 1, and Another surface side configuration back sheet of the particle of unfixed water absorbent polymer 3, further as needed, configures other components, Thus, the absorbent commodity as target is obtained.

As the variation of the manufacture method of the process including above-mentioned (D)~(F), can also use (E) and (F) The method that process is replaced into the process of following (E ') and (F ').

(E ') in the state of a plurality of above-mentioned strip matrix part is conveyed along above-mentioned conveying direction, adhesive-applying is extremely The process of the horizontal whole region on the surface in a face in each strip matrix part.

The state that (F ') is conveyed in the above-mentioned strip matrix part for being coated with above-mentioned bonding agent along above-mentioned conveying direction Under, horizontal middle section spreads water suction in the surface in coated with the bonding agent the face only in each strip matrix part Property polymer beads, and the process for manufacturing absorber.

In the manufacture method of process including (D), (E ') and (F '), when carrying out the process of (F '), as long as using tool Have in the surface in the face that water-absorbing polymeric particles 3 can be only coated to the substrate sheets 20 conveyed in one direction laterally The water absorbent polymer distribution portion 130 of the construction of the middle section of X.

More than, the present invention is illustrated based on its preferred embodiment, but the scope of the present invention is not restricted to State embodiment.Such as absorber 1 in the absorbent commodity 10 of the above embodiment using multiple with uniform width The absorbability unit 4 of strip matrix part 2 and formed, but the situation can also be replaced, make the width of strip matrix part 2 uneven It is even.

In addition, absorber 1 shown in above-mentioned Fig. 2 by multiple absorbability units 4 with respective longitudinal direction Y towards absorber The mode of 1 longitudinal Y is arranged and formed, but can also replace the situation, such as shown in fig. 7, multiple absorbability units 4 with each From the mode of longitudinal Y towards the horizontal X of absorber 1 arrange.Absorber 1 shown in Fig. 7 has along the both sides of longitudinal Y Non- gap zone NT.Absorber 1 shown in Fig. 7 can be configured with by using compartment of terrain in the circumferential puts down with the axial direction of blank volume The rotating mould 111b and undertaking roller 112 of the cutter 111a of row configuration, and supplied between rotating mould 111b and the undertaking roller 112 Manufactured to substrate sheets 20.

In addition, absorber 1 can also arrange the absorption in a manner of longitudinal Y of absorbability unit 4 is towards multiple directions Property unit 4 and formed absorber.As the absorber 1 that absorbability unit 4 is arranged in a manner of towards multiple directions, such as can Enumerate following form etc., i.e. have in the both sides along longitudinal Y of the absorber 1 respective vertical with multiple absorbability units 4 The region for arranging and being formed towards the mode of longitudinal Y of absorber 1 to Y, and have in the central portion clipped by above-mentioned both sides The region for arranging and being formed in a manner of the respective longitudinal direction Y of multiple absorbability units 4 is towards the horizontal X of absorber 1.It is this with court The absorber 1 for arranging absorbability unit 4 to the mode of multiple directions and being formed can be formed by operating as follows, for example, using Rotating mould 111b and undertaking roller 112 shown in Fig. 5, edge is formed in the both sides along conveying direction Y1 of the substrate sheets 20 of conveying The a plurality of notch of conveying direction Y1, then, the rotating mould 111b and undertaking roller 112 using circumferentially-spaced configured, The central portion of the direction X1 orthogonal with its conveying direction of the substrate sheets 20 of conveying forms a plurality of notch along direction X1.

In addition, each absorbability unit 4 and each strip of absorber 1 in the absorbent commodity 10 of above-mentioned embodiment Matrix part 2 extends to linearly substantially in parallel with longitudinal Y-direction, but can also replace the situation, absorbability unit 4 and strip Shape matrix part 2 is extended in a manner of drawing waveform curve along longitudinal Y, or can also extend to chevron along longitudinal Y Zigzag fashion.

In addition, in the manufacture method of above-mentioned absorbent commodity 10, replacing fixing water absorbent polymer using bonding agent 5 Particle 3, and fluffing processing is implemented to a face of strip matrix part 2, and fix water-absorbent polymeric between the fiber of fluffing In the case of composition granule 3, as long as carrying out fluffing manufacturing procedure, to replace above-mentioned adhesive applicating process.As implementation The method of fluffing processing, such as Japanese Unexamined Patent Publication 2012-092476 publications and Japanese Unexamined Patent Publication 2013-028891 publications can be enumerated Described method etc..

On above-mentioned embodiment, invention additionally discloses following absorbent commodity.

A kind of absorbent commodities of 1 ＞ of ＜, it includes the absorber with multiple absorbability units, the absorbability unit bag Include：Strip matrix part, it has horizontal, length than the horizontal long longitudinal direction and thickness direction；And water-absorbing polymeric particles, It is fixed on the surface of the strip matrix part, and respectively the absorbability unit is arranged in a manner of its longitudinal direction is at least towards a direction Row,

Above-mentioned strip matrix part includes hydrophilic,

Above-mentioned water-absorbing polymeric particles only are fixed with the surface of the skin opposite face of above-mentioned strip matrix part,

Before above-mentioned water-absorbing polymeric particles absorb liquid, which is not projecting laterally to More than above-mentioned strip matrix part along above-mentioned longitudinal side edge part, and liquid is absorbed even in the water-absorbing polymeric particles In the state of swelling, which is not swelling to more than the strip matrix part along longitudinal side yet Edge.

Absorbent commodities of 2 ＞ of ＜ according to described in above-mentioned 1 ＞ of ＜, wherein,

Above-mentioned absorber is at least configured at position corresponding with the excretory portion of wearer.

Absorbent commodities of 3 ＞ of ＜ according to described in above-mentioned 1 ＞ of ＜ or 2 ＞ of ＜, wherein,

Longitudinal both ends region in above-mentioned strip matrix part is configured without above-mentioned water-absorbing polymeric particles.

Absorbent commodities of 4 ＞ of ＜ according to described in any one of above-mentioned 1 ＞ of ＜~＜, 3 ＞, wherein,

Longitudinal both ends region in above-mentioned absorber is engaged with forming the either component of absorbent commodity.

Absorbent commodities of 5 ＞ of ＜ according to described in any one of above-mentioned 1 ＞ of ＜~＜, 4 ＞, wherein,

Above-mentioned strip matrix part includes non-woven fabrics.

Absorbent commodities of 6 ＞ of ＜ according to described in any one of above-mentioned 1 ＞ of ＜~＜, 5 ＞, wherein,

On the horizontal X of absorber between adjacent absorbability unit, for there is no the state of intervention thing.

Absorbent commodities of 7 ＞ of ＜ according to described in any one of above-mentioned 1 ＞ of ＜~＜, 6 ＞, wherein,

The length Lx of the horizontal X of absorbability unit be preferably more than 0.3mm below 10mm left and right, more preferably 0.6mm with Upper below 2.0mm left and right, more preferably more than 0.6mm below 1.8mm left and right.

Absorbent commodities of 8 ＞ of ＜ according to described in any one of above-mentioned 1 ＞ of ＜~＜, 6 ＞, wherein,

The length Ly of longitudinal Y of absorbability unit is preferably less than more than 2 times 3500 times relative to the length Lx of horizontal X, More preferably less than more than 100 times 700 times.

Absorbent commodities of 9 ＞ of ＜ according to described in any one of above-mentioned 1 ＞ of ＜~＜, 8 ＞, wherein,

When overlooking absorber, the area of absorption region AT is preferably relative to the ratio of the overall area of the absorber More than 20%, more preferably more than 50%, also, it is preferred that be less than 100%, more preferably less than 90%.

Absorbent commodities of 10 ＞ of ＜ according to described in any one of above-mentioned 1 ＞ of ＜~＜, 9 ＞, wherein,

Absorbability unit is preferably configured with more than 3 in each absorber, is further preferably configured with more than 50, Also, it is preferred that being configured with less than 1000, less than 500 are further preferably configured with.

Absorbent commodities of 11 ＞ of ＜ according to described in any one of above-mentioned 1 ＞ of ＜~＜, 10 ＞, wherein,

Absorber has multiple strip matrix parts in horizontal phase at the both ends of longitudinal Y or along the both sides of longitudinal Y Non- gap zone NT even.

Absorbent commodities of 12 ＞ of ＜ according to described in any one of above-mentioned 1 ＞ of ＜~＜, 11 ＞, wherein,

Absorber has multiple strip matrix parts in horizontal phase at the both ends of longitudinal Y or along the both sides of longitudinal Y Non- gap zone NT even,

The non-gap zone NT is configured without water-absorbing polymeric particles.

Absorbent commodities of 13 ＞ of ＜ according to described in any one of above-mentioned 1 ＞ of ＜~＜, 12 ＞, wherein,

Water-absorbing polymeric particles absorb liquid before in the state of, along absorbability unit adjacent horizontal X that There are gap S, gap S between this to be preferably dimensioned to be more than 0.1mm, more preferably more than 0.5mm, additionally, it is preferred that For below 5mm, more preferably below 3mm.

Absorbent commodities of 14 ＞ of ＜ according to described in any one of above-mentioned 1 ＞ of ＜~＜, 13 ＞, wherein,

The width W2 of strip matrix part is preferably more than 0.001 relative to the ratio of the width W1 of absorber, further Preferably more than 0.002, also, it is preferred that be less than 0.200, more preferably less than 0.040.

Absorbent commodities of 15 ＞ of ＜ according to described in any one of above-mentioned 1 ＞ of ＜~＜, 14 ＞, wherein,

The width W2 of strip matrix part is preferably more than 0.3mm, more preferably more than 0.6mm, also, it is preferred that being Below 10mm, more preferably below 2.0mm, more preferably below 1.8mm.

Absorbent commodities of 16 ＞ of ＜ according to described in any one of above-mentioned 1 ＞ of ＜~＜, 15 ＞, wherein,

The average grain diameter d1 of the water-absorbing polymeric particles of state before absorption liquid is preferably more than 20 μm, further Preferably more than 200 μm, also, it is preferred that for less than 700 μm, more preferably less than 500 μm.

Absorbent commodities of 17 ＞ of ＜ according to described in any one of above-mentioned 1 ＞ of ＜~＜, 16 ＞, wherein,

The average grain diameter d2 for absorbing the water-absorbing polymeric particles of the solvent swelling state after liquid is preferably more than 200 μm, into One step is preferably more than 800 μm, also, it is preferred that for less than 3000 μm, more preferably less than 2000 μm.

Absorbent commodities of 18 ＞ of ＜ according to described in any one of above-mentioned 1 ＞ of ＜~＜, 17 ＞, wherein,

The average grain diameter of the width W2 of strip matrix part and the water-absorbing polymeric particles of the state before absorption liquid The relation of d1 is that the value of d1/W2 is preferably more than 2, more preferably more than 110.Additionally, it is preferred that it is less than 2500, into one Step is preferably less than 900.

Absorbent commodities of 19 ＞ of ＜ according to described in any one of above-mentioned 1 ＞ of ＜~＜, 18 ＞, wherein,

The average grain diameter of the width W2 of strip matrix part and the water-absorbing polymeric particles of the state after absorption liquid The relation of d2 is that the value of d2/W2 is preferably more than 0.02, more preferably more than 0.45, additionally, it is preferred that be less than 0.90, More preferably less than 0.80.

A kind of manufacture methods of absorbent commodity of 20 ＞ of ＜, wherein, including following process：

On the surface in a face of the substrate sheets of the hydrophilic strip matrix part conveyed in one direction, in the horizontal Multiple position adhesive-applyings separated by a distance,

Conveyed in the substrate sheets for the above-mentioned strip matrix part for making to be coated with above-mentioned bonding agent along above-mentioned conveying direction Under state, to the surface in the said one face coated with the bonding agent in the substrate sheets of the strip matrix part, in its transverse direction Whole region spread water-absorbing polymeric particles,

In the substrate sheets for the above-mentioned strip matrix part for being scattered with above-mentioned water-absorbing polymeric particles, make it along above-mentioned In the state of conveying direction conveying, the uncoated position between the position coated with the bonding agent, along the conveying direction shape Into notch, narrow a plurality of strip matrix part is obtained, and manufactures absorber,

The said one surface side for being fixed with water-absorbing polymeric particles configuration positive dough sheet in the absorber produced, and And configure back sheet in another surface side of no fixed water-absorbing polymeric particles.

A kind of manufacture methods of absorbent commodity of 21 ＞ of ＜, wherein, including following process：

On the surface in a face of the substrate sheets of the hydrophilic strip matrix part conveyed in one direction, in its transverse direction Whole region adhesive-applying,

Conveyed in the substrate sheets for the above-mentioned strip matrix part for making to be coated with above-mentioned bonding agent along above-mentioned conveying direction Under state, the surface in the said one face coated with the bonding agent in the substrate sheets of the strip matrix part, in the horizontal Multiple positions separated by a distance spread water-absorbing polymeric particles,

In the substrate sheets for the above-mentioned strip matrix part for being scattered with above-mentioned water-absorbing polymeric particles, make it along above-mentioned In the state of conveying direction conveying, to the non-distribution position being scattered between the position of the water-absorbing polymeric particles, along this Conveying direction forms notch, obtains narrow a plurality of strip matrix part, and manufactures absorber,

A kind of manufacture methods of absorbent commodity of 22 ＞ of ＜, wherein, including following process：

In the substrate sheets of the hydrophilic strip matrix part conveyed in one direction, formed along its conveying direction A plurality of notch, obtains narrow a plurality of strip matrix part,

In the state of a plurality of above-mentioned strip matrix part is conveyed along above-mentioned conveying direction, only in each strip matrix The horizontal middle section adhesive-applying on the surface in a face in portion,

In the state of the above-mentioned strip matrix part for being coated with above-mentioned bonding agent is conveyed along above-mentioned conveying direction, The horizontal whole region water-absorbent polymeric on the surface in the said one face coated with the bonding agent in each strip matrix part Thing dispersed particulates, and absorber is manufactured,

A kind of manufacture methods of absorbent commodity of 23 ＞ of ＜, wherein, including following process：

In the substrate sheets of the hydrophilic strip matrix part conveyed in one direction, formed along the more of its conveying direction Bar notch, obtains narrow a plurality of strip matrix part,

In the state of a plurality of above-mentioned strip matrix part is conveyed along above-mentioned conveying direction, in each strip matrix part In a face surface horizontal whole region adhesive-applying,

In the state of the above-mentioned strip matrix part for being coated with above-mentioned bonding agent is conveyed along above-mentioned conveying direction, In the surface in the said one face coated with the bonding agent in each strip matrix part, only spread and inhale in horizontal middle section Polymerizable aqueous composition granule, and absorber is manufactured,

Industrial applicability

According to the present invention, water-absorbing polymeric particles are configured at surface of the skin in absorber with respect to surface side, therefore, should Particle can rapidly be contacted with liquid, and the absorption efficiency of liquid is good.In addition, the liquid of excretion can pass through absorbability unit Between gap and pass through, therefore, be not easy to hinder the transmission of liquid.To gather in addition, there is no water imbibition between absorbability unit Polymer beads, therefore, are not easy to hinder the liquid diffusion between absorbability unit, can be effective by the whole region of absorber Kept in the absorption of liquid.

Claims

A kind of 1. absorbent commodity, it is characterised in that：

Including the absorber with multiple absorbability units,

The absorbability unit includes：Strip matrix part, it has horizontal, length than the horizontal long longitudinal direction and thickness direction； With the water-absorbing polymeric particles on the surface of being fixed on the strip matrix part,

Respectively the absorbability unit arranges in a manner of its longitudinal direction is at least towards a direction,

The strip matrix part includes hydrophilic,

The water-absorbing polymeric particles only are fixed with the surface of the skin opposite face of the strip matrix part,

Before the water-absorbing polymeric particles absorb liquid, which is not projecting laterally to exceed The strip matrix part is swollen along longitudinal side edge part, and in water-absorbing polymeric particles absorption liquid Under state, which is not swelling to more than the strip matrix part along longitudinal side edge part yet.
2. absorbent commodity according to claim 1, it is characterised in that：

The absorber is configured at position corresponding with the excretory portion of wearer.
3. absorbent commodity according to claim 1 or 2, it is characterised in that：

Longitudinal both ends region in the strip matrix part is configured without the water-absorbing polymeric particles.
4. according to absorbent commodity according to any one of claims 1 to 3, it is characterised in that：

Longitudinal both ends region in the absorber is engaged with forming the either component of the absorbent commodity.
5. absorbent commodity according to any one of claims 1 to 4, it is characterised in that：

The strip matrix part includes non-woven fabrics.
6. according to absorbent commodity according to any one of claims 1 to 5, it is characterised in that：

On the horizontal X of the absorber between the adjacent absorbability unit, for there is no the state of intervention thing.
7. according to absorbent commodity according to any one of claims 1 to 6, it is characterised in that：

The length Lx of the horizontal X of the absorbability unit is more than 0.3mm below 10mm.
8. according to absorbent commodity according to any one of claims 1 to 7, it is characterised in that：

The length Ly of longitudinal Y of the absorbability unit is less than more than 2 times 3500 times relative to the length Lx of horizontal X.
9. according to absorbent commodity according to any one of claims 1 to 8, it is characterised in that：

When overlooking the absorber, the area of absorption region AT relative to the ratio of the overall area of the absorber for 20% with Upper less than 100%.
10. according to absorbent commodity according to any one of claims 1 to 9, it is characterised in that：

The absorbability unit is configured with less than more than 3 1000 in each described absorber.
11. according to absorbent commodity according to any one of claims 1 to 10, it is characterised in that：

The absorber has multiple strip matrix parts in horizontal stroke at the both ends of longitudinal Y or along the both sides of longitudinal Y To connected non-gap zone NT.
12. absorbent commodity according to claim 11, it is characterised in that：

Water-absorbing polymeric particles are configured without in the non-gap zone NT.
13. the absorbent commodity according to any one of claim 1~12, it is characterised in that：

In the state of before the water-absorbing polymeric particles absorb liquid, along the absorbability list adjacent horizontal X For member each other there are gap S, the size of gap S is more than 0.1mm below 5mm.
14. the absorbent commodity according to any one of claim 1~13, it is characterised in that：

The width W2 of the strip matrix part relative to the width W1 of the absorber ratio for more than 0.001 0.200 with Under.
15. the absorbent commodity according to any one of claim 1~14, it is characterised in that：

The width W2 of the strip matrix part is more than 0.3mm below 10mm.
16. the absorbent commodity according to any one of claim 1~15, it is characterised in that：

The average grain diameter d1 of the water-absorbing polymeric particles of state before absorbing liquid is less than more than 20 μm 700 μm.
17. the absorbent commodity according to any one of claim 1~16, it is characterised in that：

Absorb the average grain diameter d2 of the water-absorbing polymeric particles of the solvent swelling state of liquid for more than 200 μm 3000 μm with Under.
18. the absorbent commodity according to any one of claim 1~17, it is characterised in that：

The width W2 of the strip matrix part is averaged with the water-absorbing polymeric particles of the state before absorbing liquid The relation of particle diameter d1 is that the value of d1/W2 is less than more than 2 2500.
19. the absorbent commodity according to any one of claim 1~18, it is characterised in that：

The width W2 of the strip matrix part is averaged with the water-absorbing polymeric particles of the state after absorption liquid The relation of particle diameter d2 is that the value of d2/W2 is less than more than 0.02 0.90.
20. a kind of manufacture method of absorbent commodity, it is characterised in that including following process：

On the surface in a face of the substrate sheets of the hydrophilic strip matrix part conveyed in one direction, separate in the horizontal Multiple position adhesive-applyings of distance,

In the state for making the substrate sheets of the strip matrix part coated with the bonding agent be conveyed along the conveying direction Under, the surface in one face coated with the bonding agent in the substrate sheets of the strip matrix part, in the whole of its transverse direction A region spreads water-absorbing polymeric particles,

In the substrate sheets for the strip matrix part for being scattered with the water-absorbing polymeric particles, make it along the conveying In the state of the conveying of direction, to the uncoated position between the position coated with the bonding agent, formed and cut along the conveying direction Mouthful, narrow a plurality of strip matrix part is obtained, and absorber is manufactured,

A surface side for being fixed with water-absorbing polymeric particles configuration positive dough sheet in the absorber produced, and do not having Another surface side configuration back sheet of fixed water-absorbing polymeric particles.
21. a kind of manufacture method of absorbent commodity, it is characterised in that including following process：

On the surface in a face of the substrate sheets of the hydrophilic strip matrix part conveyed in one direction, in the whole of its transverse direction A region adhesive-applying,

In the state for making the substrate sheets of the strip matrix part coated with the bonding agent be conveyed along the conveying direction Under, the surface in one face coated with the bonding agent in the substrate sheets of the strip matrix part, separates in the horizontal Multiple positions of distance spread water-absorbing polymeric particles,

In the substrate sheets for the strip matrix part for being scattered with the water-absorbing polymeric particles, along the conveying direction In the state of conveying, to the non-distribution position being scattered between the position of the water-absorbing polymeric particles, along the conveying direction Notch is formed, obtains narrow a plurality of strip matrix part, and manufactures absorber,

A surface side for being fixed with water-absorbing polymeric particles configuration positive dough sheet in the absorber produced, and do not having Another surface side configuration back sheet of fixed water-absorbing polymeric particles.
22. a kind of manufacture method of absorbent commodity, it is characterised in that including following process：

In the substrate sheets of the hydrophilic strip matrix part conveyed in one direction, formed and cut along a plurality of of its conveying direction Mouthful, narrow a plurality of strip matrix part is obtained,

In the state of a plurality of strip matrix part is conveyed along the conveying direction, only in each strip matrix part A face surface horizontal middle section adhesive-applying,

In the state of the strip matrix part for being coated with the bonding agent is conveyed along the conveying direction, in each length The horizontal whole region on the surface in one face coated with the bonding agent in strip matrix part spreads water-absorbent polymeric Composition granule, and absorber is manufactured,

A surface side for being fixed with water-absorbing polymeric particles configuration positive dough sheet in the absorber produced, and do not having Another surface side configuration back sheet of fixed water-absorbing polymeric particles.
23. a kind of manufacture method of absorbent commodity, it is characterised in that including following process：

In the substrate sheets of the hydrophilic strip matrix part conveyed in one direction, formed and cut along a plurality of of its conveying direction Mouthful, narrow a plurality of strip matrix part is obtained,

In the state of a plurality of strip matrix part is conveyed along the conveying direction, in each strip matrix part The horizontal whole region adhesive-applying on the surface in one face,

In the state of the strip matrix part for being coated with the bonding agent is conveyed along the conveying direction, in each length In the surface in one face coated with the bonding agent in strip matrix part, only water imbibition is spread in horizontal middle section Polymer beads, and absorber is manufactured,

A surface side for being fixed with water-absorbing polymeric particles configuration positive dough sheet in the absorber produced, and do not having Another surface side configuration back sheet of fixed water-absorbing polymeric particles.