CN104582653B

CN104582653B - Absorbent commodity

Info

Publication number: CN104582653B
Application number: CN201380043482.2A
Authority: CN
Inventors: 南崎亚由香; 佐藤信也; 富田美奈; 柳原茂人
Original assignee: Kao Corp
Current assignee: Kao Corp
Priority date: 2012-10-23
Filing date: 2013-09-25
Publication date: 2018-04-24
Anticipated expiration: 2033-09-25
Also published as: TW201422213A; RU2015118339A; WO2014065072A1; CN104582653A; TWI600414B; RU2636371C2

Abstract

The diaper (1A) of embodiments of the present invention is overleaf configured with indicator the area of application (60) coated with indicator (6) between sheet material (3) and absorber (4).Absorber (4) includes throughout lower floor's absorber (41) of diaper (1A) total length and from until the upper strata absorber (42) of crotch (C), which is divided into upper strata absorber (42) the main absorption region (4M) overlapping with lower floor's absorber (41) and secondary absorption region (4E) in addition only from veutro portion (A).On the grammes per square metre of the absorbing polymeric of lower floor's absorber (41), main absorption region (4M) is more than time absorption region (4E).The grammes per square metre of the absorbing polymeric of upper strata absorber (42) is less than lower floor's absorber (41).Indicator the area of application (60) configuration is located near the end (4Mb) of drosal part (B) side of main absorption region (4M) in main absorption region (4M), the end (60b) of the drosal part B sides of indicator the area of application (60).

Description

Absorbent commodity

Technical field

The present invention relates to the absorbent commodities such as disposable diaper.

Background technology

In the prior art, it is known that have according to color to judge the disposable urine of indicator that whether wearer has drained Cloth.As the disposable diaper with indicator, for example, the applicant proposes a kind of disposable diaper before, it is with position Skin side absorber in wearer's skin surface side and the non-skin side absorber positioned at the non-skin surface side of wearer, in the non-flesh The contact with liquid is provided between skin side absorber and the back-sheet of non-skin abutment face side and is visually become The indicator of change (with reference to patent document 1).The disposable diaper that patent document 1 is recorded is produced according to urine due to excreting etc. Discoloration, can easily verify that out replacement period.

In the prior art, the purpose lifted etc. based on the appearance for making absorbent commodity, by decorative pattern, letter, numeral, text The printed designs such as word are printed on the predetermined portion of absorbent commodity.For example, in patent document, as child when having The disposable diaper still felt, record overleaf sheet material be printed with the coat style such as design, pattern, photo figure it is disposable Diaper.

Furthermore it is known that have the function of because urinate when soak when notify replacement period disposable diaper.For example, Following content has been recorded in patent document 3：Set between absorber and back-sheet by the contact with moisture and visually Changed hydrophilic medicament (indicator), and in the back-sheet on the thickness direction of diaper not with the parent The overlapping part of water-based medicament, does not also change visually and hydrophilic with this even if applying and having with contact with moisture The decorative pattern of the similar similar color of the visually changed front and rear any color of medicament.According to patent document 3, except according to change Beyond the indicator in color notice replacement period, positioning away from applying and the instruction on diaper width direction from the indicator The decorative pattern of the similar color of color before the change of agent or after change, thereby, it is possible to make observer, (diaper wearer is infant When be mother etc.) significantly identify the discoloration of indicator, imply that the thickness of indicator and decorative pattern in diaper in patent document 3 Spend the not overlapping importance for improving the discrimination of indicator on direction.

Prior art literature

Patent document

Patent document 1：Japanese Unexamined Patent Publication 2011-240049 publications

Patent document 2：Japanese Unexamined Patent Publication 2010-508116 publications

Patent document 3：Japanese Unexamined Patent Publication 2004-337385 publications

The content of the invention

Usually, the absorbent commodity such as disposable diaper is formed as, such as is inhaled from crotch to the veutro portion of contact urination mouth The ratio of receipts urination is higher, and urination on the contrary is not easy to diffuse to the drosal part of distance urination mouth farther out.Herein, in patent document 1 In the disposable diaper of record, skin side absorber and non-skin side absorber are matched somebody with somebody up to drosal part from veutro portion respectively Put, indicator is also configured up to drosal part from veutro portion.Accordingly, there exist indicator of configuration during urination in drosal part side Part be difficult to situation about changing colour, if carrying out replacement judgement as index using the discoloration that the part does not occur, may cause to arrange Urine point is leaked out from crotch, and replacing the accuracy in period, there is room for improvement.In addition, in patent document 1, in order to play State effect and how to configure skin side absorber and non-skin side absorber and how to configure they and indicator, it is not any Record.

Therefore, (the first invention) of the invention provides a kind of absorbent commodity that disclosure satisfy that the demand.

When having worn existing diaper with indicator, though exist indicator by the contact with the body fluid such as urine and Discoloration, observer also can not distinguish the discoloration, and miss the situation in replacement period, and the diaper with existing indicator is indicating There is room for improvement for the aspect of the discrimination of the visual change of agent.Aesthetic appearance is improved by implementing printed design, and is held The absorbent commodity for the visual change for easily identifying indicator from outside is not yet provided.

Thus, (the second invention) of the invention provides a kind of appearance and well and easily identifies indicator visually from outside Change absorbent commodity.

(the first invention) of the invention is to provide a kind of absorbent commodity, its absorbent main body with lengthwise, the lengthwise Absorbent main body includes：Configure the face sheet with respect to surface side in skin；Configure the back-sheet with respect to surface side in non-skin；With The absorber between the two sheets is configured, and the absorbent main body of the lengthwise is divided into veutro portion, drosal part and crotch, In the absorbent main body, between the back-sheet and the absorber, the change for being coated with color is configured with longitudinal direction To notify indicator the area of application of the indicator of excretion situation.Above-mentioned absorber includes absorbing polymeric and cellulose fibre. Above-mentioned absorber includes：From above-mentioned veutro portion until lower floor's absorber of above-mentioned drosal part；With configuration in lower floor's absorber On skin opposite face from above-mentioned veutro portion until the upper strata absorber of above-mentioned crotch, when overlooking above-mentioned absorber, the absorption Body is divided into：The upper strata absorber main absorption region overlapping with lower floor's absorber；With time beyond the main absorption region Absorption region.The grammes per square metre for belonging to the above-mentioned absorbing polymeric in the region of above-mentioned main absorption region in above-mentioned lower floor's absorber is more than category In the grammes per square metre of the above-mentioned absorbing polymeric in the region of above-mentioned secondary absorption region.The above-mentioned absorbing polymeric of above-mentioned upper strata absorber Grammes per square metre is less than the grammes per square metre of the above-mentioned absorbing polymeric of above-mentioned lower floor's absorber, or above-mentioned upper strata absorber does not include above-mentioned absorption Polymer.When overlooking above-mentioned absorbent commodity, above-mentioned indicator the area of application configuration is applied in above-mentioned main absorption region, the indicator The end for applying longitudinal drosal part side in region is configured near the end of longitudinal drosal part side of the main absorption region.

(the second invention) of the invention provides a kind of absorbent commodity, it includes the non-flesh of absorber and configuration in the absorber Skin with respect to the back-sheet of surface side, have corresponding to wearer longitudinal direction in the front-back direction and with the orthogonal transverse direction in longitudinal direction, This longitudinally have when wear configuration wearer veutro veutro portion, configuration crotch part crotch and configure in dorsal part Drosal part.Above-mentioned back-sheet has the lit-par-lit structure of penetrability sheet material and non-woven fabrics, the back-sheet in above-mentioned crotch Between above-mentioned absorber, it is configured with by the contact with moisture or body fluid the indicator that changes colour, before the discoloration of the indicator Color afterwards is different from the true qualities of the penetrability sheet material and the non-woven fabrics respectively.In above-mentioned penetrability sheet material in above-mentioned absorption The indicator corresponding region overlapping with above-mentioned indicator on the thickness direction of property article, is with the color after the discoloration of the indicator The design element of mutually homochromy or similar color by the region of the square shape of 1cm square there are printing in a manner of multiple, it is more A design element is not carried out being surrounded without Printing Department for printing each.Will be multiple above-mentioned in above-mentioned indicator corresponding region Any 1 in design element is set to particular design element, will be present in 1 of the position nearest apart from the particular design element Design element is set to closest to design element, and draw one by the particular design element and this closest to design element each Center imaginary line when, it is straight with the length L1 of the lap of the particular design element and the imagination in the imaginary line The length L2 with this closest to the lap of design element in line, respectively with the imaginary line with by the particular design Element is identical with the length L3 of the lap for the above-mentioned no Printing Department that this is clipped closest to design element, or than length L3 It is long.

Brief description of the drawings

Fig. 1 is that the deploying type as the first embodiment of (the first invention) of the invention from face sheet side is disposable Top view is blocked in part obtained by diaper.

Fig. 2 is the I-I sectional views of Fig. 1.

Fig. 3 is the II-II sectional views of Fig. 1.

Fig. 4 (a)~(e) is for the other embodiment progress to indicator the area of application possessed by disposable diaper The figure of explanation.

Fig. 5 be in the horizontal from cross-section as the second embodiment of of the invention (the first invention) deploying type once Cross-sectional view obtained by the crotch of property diaper (equivalent to Fig. 2).

Fig. 6 be in the vertical from cross-section as the second embodiment of of the invention (the first invention) deploying type once Longitudinal section obtained by property diaper (equivalent to Fig. 3).

Fig. 7 is the figure of the device used in the assay method of penetration by liquid time.

Fig. 8 is the disposable diaper for representing the embodiment for the absorbent commodity as (the second invention) of the invention The back-sheet side (non-skin is with respect to surface side) for making the elastomeric element stretching, extension at each position and being launched into plane unfolded state Top view is blocked in part.

Fig. 9 is the sectional view in the I-I sections for schematically showing Fig. 8.

Figure 10 is a part for the indicator corresponding region of the penetrability sheet material in the diaper schematically shown shown in Fig. 8 Top view, Figure 10 (a) is the schematical top view before indicator discoloration, and Figure 10 (b) is schematic after indicator discoloration Top view.

Figure 11 is the amplification plan view of the design element of the penetrability sheet material in the diaper shown in Fig. 8.

Embodiment

Hereinafter, to the absorbent commodity of (the first invention) of the invention, according to its preferable first embodiment, with reference to Fig. 1 ~Fig. 3 is illustrated.The first embodiment as of the invention (the first invention) from face sheet side is represented in Fig. 1 Top view is blocked in part obtained by flat type disposable diaper, represents the I-I sectional views of Fig. 1 in fig. 2.In addition, table in figure 3 The II-II sectional views of diagram 1.

As shown in Figure 1, first embodiment disposable diaper 1A (hereinafter also referred to as " and diaper 1A ") have lengthwise suction The property received main body 10, the absorbent main body 10 of the lengthwise include configuration in skin with respect to the face sheet 2 of surface side, configuration in non-skin With respect to surface side back-sheet 3 and configure absorber 4 between the two sheets 2,3, and be divided into veutro portion A, dorsal part Portion B and crotch C.Moreover, in absorbent main body 10, overleaf between sheet material 3 and absorber 4, it is configured with longitudinally coated with root Indicator the area of application 60 of the indicator 6 of excretion is notified according to the change of color.As shown in Figure 1, diaper 1A be formed as on The center line CL extended in the vertical is symmetrical.

Diaper 1A is described in detail, the absorbent main body 10 of diaper 1A is as shown in Figure 1, (following to be also referred to as in longitudinal direction For " Y-direction ".Y-direction：The direction parallel with center line CL) on include veutro portion A, drosal part B and the crotch between A, the B Portion C.Veutro portion A is when diaper is worn positioned at the position of the veutro of wearer, and drosal part B is the portion of the dorsal part positioned at wearer Position, crotch C are the positions of the hip crotch positioned at wearer.Crotch C is located at longitudinal direction (Y-direction) central portion of diaper 1A.In addition, will be with The transverse direction (hereinafter also referred to " X-direction ") that the orthogonal direction in longitudinal direction (Y-direction) is set to diaper 1A illustrates.

In addition, in the present specification, so-called " skin opposite face " refers to form each components such as the face sheet 2 of diaper 1A When wearing, configuration refers to face sheet 2 in the face of the skin side of wearer, so-called " non-skin opposite face " in front and back When being worn in the front and back of each component towards the face of the side opposite with the skin side of wearer.

As shown in Figure 1, in the absorbent main body 10 of diaper 1A, the left and right sides edge along longitudinal direction (Y-direction) of veutro portion A With the left and right sides edge along longitudinal direction (Y-direction) of the drosal part B left and right sides along longitudinal direction (Y-direction) than crotch C respectively Edge is more to extension on the outside of transverse direction (X-direction).Moreover, the left and right sides edge of crotch C is convex to (center line CL) on the inside of transverse direction (X-direction) Sigmoid, has the shape of longitudinal direction (Y-direction) central portion shrinking inwardly on the whole.Face sheet 2 and back-sheet 3 respectively from The left and right sides edge along longitudinal direction (Y-direction) of absorber 4 and the rear and front end edge of longitudinal direction (Y-direction) extend laterally.Front Sheet material 2 is as shown in Fig. 2, the size of its horizontal (X-direction) is less than the size of the transverse direction (X-direction) of back-sheet 3.Face sheet 2 With back-sheet 3 respectively in the extension extended laterally from the outer peripheral edge of absorber 4 directly engagement or across other component phases It is inter-engaging, clamping, fixed absorber 4.

As depicted in figs. 1 and 2, in the absorbent main body 10 of diaper 1A, the both sides 10s along longitudinal direction (Y-direction), 10s, is configured with sidepiece sheet material 5 across face sheet 2 respectively.As shown in Figure 1, sidepiece sheet material 5 is opposite in the skin of face sheet 2 Surface side, configuration are fixed on the sidepiece whole region along longitudinal direction (Y-direction).The inner side of the X-direction of each sidepiece sheet material 5 is (in Heart line CL) end as shown in Fig. 2, becoming free end, near free end, in crotch C, the elastic portion of three-dimensional corrugation formation Part 51 is fixed on longitudinal direction (Y-direction) with elongation state configuration, when wearing, passes through the convergent force of above-mentioned elastomeric element, distance Left from face sheet 2 and form three-dimensional corrugation in the part of free end Rack.

The end in the outside of the X-direction of each sidepiece sheet material 5 with back-sheet 3 as shown in Fig. 2, fix, in each sidepiece sheet material 5 Outside end and back-sheet 3 between, in crotch C, the elastomeric element 52 of leg creases formation is configured with elongation state It is fixed on longitudinal direction (Y-direction), when wearing, leg creases is formed by the convergent force of above-mentioned elastomeric element.

As shown in Figure 1, diaper 1A is so-called deploying type diaper, included in the left and right of the drosal part B of absorbent main body 10 The pair of right and left that two outside connections are set is stretched empiecement (panel) 7b, 7b.A pair of diaper 1A stretches empiecement 7b, 7b in dorsal part In portion B, the non-skin opposite face of back-sheet 3 is fixed on close to the end of above-mentioned center line CL, to the back of the body of absorbent main body 10 The outside of left and right two connection of sidepiece B is set.In addition, in diaper 1A, a pair flexible empiecement 7b, 7b are fixed on back-sheet 3 Non- skin opposite face, but can also be fixed between the sidepiece sheet material 5 and back-sheet 3 that face sheet 2 configures.It is provided with The pull stap 72 for the adhered portion 71 being made of the sunny side component of mechanicalness face fastener is installed on to extension on the outside of X-direction respectively to be stretched Contracting empiecement 7b.Flexible empiecement 7b is fixed on absorbent main body 10 using the methods of bonding agent or welding.

In addition, as shown in Figure 1, there is diaper 1A the outside of left and right two connection in the veutro portion A of absorbent main body 10 to set Pair of right and left empiecement component 7a, 7a.A pair of of empiecement component 7a, 7a of diaper 1A is in veutro portion A, as shown in Figure 1, close to above-mentioned The end of center line CL is fixed between the sidepiece sheet material 5 and back-sheet 3 that face sheet 2 configures, to absorbent main body The outside of left and right two connection of 10 veutro portion A is set.In addition, in diaper 1A, a pair of of empiecement component 7a, 7a are fixed on sidepiece sheet Between material 5 and back-sheet 3, but the non-skin opposite face of back-sheet 3 can also be fixed on.Empiecement component 7a uses bonding agent Or the methods of welding, is fixed on absorbent main body 10.In addition, in the non-skin opposite face of veutro portion A, a pair of of empiecement component 7a, The fixation of adhered portion 71 for the pull stap 72 for making drosal part B is provided between 7a takes band 73.

As shown in Figure 1, absorber 4 is included from veutro portion A up to lower floor's absorber 41 of drosal part B, and configuration is in lower floor Upper strata absorber 42 on the skin opposite face of absorber 41 and only from veutro portion A to crotch C.In diaper 1A, such as Fig. 2 and figure Shown in 3, upper strata absorber 42 only from veutro portion A to crotch C, lower floor's absorber 41 from veutro portion A to crotch C, and then until the back of the body Sidepiece B, therefore formed must be longer than upper strata absorber 42 for the length of the length direction (longitudinal direction (Y-direction)) of lower floor's absorber 41.Into One step is preferably, and when lower floor's absorber 41 is the rectangular shape of lengthwise, the width of upper strata absorber 42 is than lower floor absorber 41 width is short.By making the narrower width of upper strata absorber 42 be readily available the flexibility of absorber 4, therefore to the clothes of body Patch property is good.On the length of longitudinal direction (Y-direction), make upper strata absorber 42 shorter also described above, thus from veutro portion A to dorsal part Portion B is easily bent, the conformable lifting to body.However, when lower floor's absorber 41 is in the shape of crotch C shrinkings, exist The width of the width of upper strata absorber 42 and lower floor absorber 41 is only in the equal situations of crotch C.Specifically, on longitudinal direction (Y Direction) length, upper strata absorber 42 is more than the 20% of lower floor's absorber 41, is preferably more than 40%, and for less than 80%, Preferably less than 60%.On width, upper strata absorber 42 is more than the 40% of lower floor's absorber 41, is preferably more than 60%, And be less than 95%, it is preferably less than 80%.

In diaper 1A, as shown in Figures 2 and 3, lower floor's absorber 41 includes lower floor's absorbent core 411 and cladding lower floor inhales The coating member 412 of the property received core 411, is coated lower floor's absorbent core 411 by coating member 412 and is formed.Upper strata absorber 42 does not have Coating member, is only formed by upper strata absorbent core 421.The grammes per square metre (mass area ratio) of lower floor's absorbent core 411 is preferably 100g/ m²Above 1000g/m²Hereinafter, the grammes per square metre of coating member 412 is preferably 3g/m²Above 20g/m²Below.On the other hand, upper strata absorbs The grammes per square metre of property core 421 is preferably 50g/m²Above 500g/m²Below.

Lower floor's absorber 41 is described in detail, lower floor's absorbent core 411 is in diaper 1A, as shown in Figure 1, veutro Portion A sides along the both side edges of longitudinal direction (Y-direction) and the both side edges along longitudinal direction (Y-direction) of drosal part B sides respectively than crotch C The both side edges along longitudinal direction (Y-direction) and to extending on the outside of transverse direction (X-direction), be integrally formed as from longitudinal direction (Y-direction) Play the shape close to the part of veutro portion A shrinking inwardly in centre portion.In addition, lower floor's absorbent core 411 is in diaper 1A, such as Fig. 2 Shown in Fig. 3, the skin opposite face of lower floor's absorbent core 411 and non-skin opposite face are each formed as flat.Moreover, in diaper In 1A, as shown in Fig. 2, lower floor's absorber 41 uses 1 coating member 412, the both sides for coating member 412 of turning back, so that coating member 412 side edge part is each other in the case where the non-skin of lower floor's absorbent core 411 is coated with respect to surface side (3 side of back-sheet) overlapping mode Layer absorbent core 411 and formed.The lower floor's absorber 41 formed like this is formed to drosal part B from veutro portion A.In addition, urinating In cloth 1A, as described above, lower floor's absorber 41 is coated lower floor's absorbent core 411 by 1 coating member 412 and is formed, but also can profit Clamped and shape with respect to 2 coating members 412 of surface side with respect to surface side and non-skin with skin of the configuration in lower floor's absorbent core 411 Into.

Upper strata absorber 42 is described in detail, upper strata absorbent core 421 is in diaper 1A, as shown in Figure 1, it is wide It is roughly the same to spend the width intermarginal with the both sides in the crotch C of lower floor's absorbent core 411 of lower floor absorber 41, be formed as only from The rectangular shape longer in longitudinal direction (Y-direction) of veutro portion A to crotch C.In addition, in diaper 1A, as shown in Figures 2 and 3, The skin opposite face of upper strata absorbent core 421 and non-skin opposite face are each formed as flat.Moreover, as shown in Fig. 2, upper strata is inhaled Acceptor 42 is only formed by upper strata absorbent core 421.The upper strata absorber 42 formed like this is only formed to crotch C from veutro portion A. That is, upper strata absorber 42 is not formed in drosal part B.

As shown in Figure 1, when overlooking absorber 4, absorber 4 is divided into 41 weight of upper strata absorber 42 and lower floor's absorber Folded main absorption region 4M, and the secondary absorption region 4E beyond main absorption region 4M.In other words, main absorption region 4M is that upper strata is inhaled The region of the double-decker of acceptor 42 and lower floor's absorber 41, secondary absorption region 4E are the single layer structures of only lower floor's absorber 41 Region.More specifically illustrate, in diaper 1A, as shown in Figure 1, the width of upper strata absorbent core 421 and lower floor's absorber Width on 41 most narrow position is roughly the same, and therefore, the upper strata absorbent core 421 of rectangular shape is integrally provided in central portion Divide inwardly on lower floor's absorber 41 of the shape of shrinking.Therefore, in diaper 1A, upper strata absorbent core 421 and lower floor absorb The main absorption region 4M of the overlapping double-decker of body 41 refers to the region for being configured with upper strata absorbent core 421, secondary absorption region 4E Refer to the region being only made of 41 individual layer of lower floor's absorber for not configuring upper strata absorbent core 421 in lower floor's absorber 41.

Absorber 4 includes absorbing polymeric and cellulose fibre.Moreover, in lower floor's absorber 41, belong to main absorption region The grammes per square metre of the absorbing polymeric in region of the grammes per square metre of the absorbing polymeric in the region of 4M than belonging to time absorption region 4E is big.It is specific and Speech, lower floor's absorbent core 411 of lower floor's absorber 41 are formed in diaper 1A by absorbing polymeric and cellulose fibre.Lower floor inhales The grammes per square metre of the absorbing polymeric in the region for belonging to main absorption region 4M in the property received core 411 is preferably 50g/m²More than, more preferably For 100g/m²More than, and preferably 500g/m²Hereinafter, it is more preferably 400g/m²Hereinafter, specifically, it is preferably 50g/m²With Upper 500g/m²Hereinafter, it is more preferably 100g/m²Above 400g/m²Below.Belong to main absorption region in lower floor's absorbent core 411 The grammes per square metre of the cellulose fibre in the region of 4M is preferably 0g/m²More than, and preferably 300g/m²Hereinafter, it is more preferably 200g/m² Hereinafter, specifically, it is preferably 0g/m²Above 300g/m²Hereinafter, it is more preferably 0g/m²Above 200g/m²Below.The opposing party Face, the grammes per square metre of the absorbing polymeric in the region for belonging to time absorption region 4E in lower floor's absorbent core 411 is preferably 20g/m²With On, more preferably 50g/m²More than, and preferably 400g/m²Hereinafter, it is more preferably 300g/m²Hereinafter, specifically, it is preferably 20g/m²Above 400g/m²Hereinafter, it is more preferably 50g/m²Above 300g/m²Below.Belonging in lower floor's absorbent core 411 is secondary The grammes per square metre of the cellulose fibre in the region of absorption region 4E is preferably 0g/m²More than, and preferably 250g/m²Hereinafter, more preferably 200g/m²Hereinafter, specifically, it is preferably 0g/m²Above 250g/m²Hereinafter, it is more preferably 0g/m²Above 200g/m²Below.This Outside, from the viewpoint of efficiently urine is absorbed, the suction in the region for belonging to main absorption region 4M in lower floor's absorbent core 411 The grammes per square metre of pinching compound preferably than the region for belonging to time absorption region 4E in lower floor absorbent core 411 absorbing polymeric gram Great 10g/m²More than, more preferably big 20g/m²More than.The region for belonging to main absorption region 4M in lower floor's absorbent core 411 The grammes per square metre of absorbing polymeric and cellulose fibre and belong to time absorption region 4E region absorbing polymeric and cellulose fiber The grammes per square metre of dimension is measured using the following method.

The absorbing polymeric in the region for belonging to main absorption region 4M in ＜ lower floors absorbent core 411 and cellulose fibre Grammes per square metre and belong to time absorption region 4E region absorbing polymeric and cellulose fibre grammes per square metre assay method ＞

First, absorber 4 is arranged on horizontal platform, the main absorption overlapping with lower floor absorber 41 of absorber 42 on upper strata In the 4M of region, the size of 70mm × 70mm is cut into, by the part of upper strata absorber 42 and cladding from the sample after the severing Part 412 removes, as the sample in the region for belonging to main absorption region 4M in lower floor's absorbent core 411.In view of absorbing The relation of the size of body and during more difficult severing regulation sample size, the size of absorber can also be coordinated and change severing Sample size.Measured weight by heat-sealing and the bag of the nylon bag (nylon pack) (sieve aperture no.250) sealed in seal Enter similarly to have measured the sample of weight, be immersed in 0.1% ascorbic acid, 0.01% riboflavin (vitamin B2) aqueous solution straight Untill sample absorbent solution expands, under sunlight exposure 20 it is small when more than.Thereafter, carry out washing at any time until detecting not Untill the yellow of the sample in bag or as the white of paper pulp, the polymer being dissolved in water is washed out outer to bag.Then, exist Implement centrifugal dehydration 10 minutes under conditions of 800rpm, when making its drying 12 small for 80 DEG C~24 it is small when, calculate subtracting for sample Value is as absorbing polymer object amount, and using the amount subtracted from the weight of sample obtained by above-mentioned decrement value as cellulose fibre Amount.Sample number is for more than 3, obtains their average value, goes out each absorbing polymer according to the areal calculation of the sample after severing The grammes per square metre of the grammes per square metre of thing and each cellulose fibre.Measure in the same way in lower floor's absorbent core 411 and belong to time uptake zone The absorbing polymeric in the region of domain 4E and the grammes per square metre of cellulose fibre.

Liquid is preferably rapidly transferred to lower floor's absorber 41 by upper strata absorber 42, based on the demand, upper strata absorber 42 upper strata absorbent core 421 can at least use cellulose fibre, more preferably use what is formed by cross-linked cellulose fibres Product is slim.In addition, not including coating member in upper strata absorber 42, but when comprising absorbing polymeric, can also utilize under cladding The coating member 412 of layer absorber 41 coats upper strata absorber 42, dividually can also only be wrapped by coating member with lower floor absorber 41 It is covered with layer absorber 42.Grammes per square metre of the grammes per square metre of absorbing polymeric than the absorbing polymeric of lower floor absorber 41 in upper strata absorber 42 It is small or not comprising absorbing polymeric.Specifically, in diaper 1A, upper strata absorber 42 (upper strata absorbent core 421) is by handing over The product that connection cellulose fibre is formed is slim, and the grammes per square metre of the absorbing polymeric contained is preferably 0g/m²More than, and be preferably 300g/m²Hereinafter, it is more preferably 200g/m²Hereinafter, specifically, it is preferably 0g/m²Above 300g/m²Hereinafter, more preferably 0g/m²Above 200g/m²Below.The grammes per square metre of the cellulose fibre of upper strata absorbent core 421 is preferably 50g/m²More than, more preferably For 100g/m²More than, and preferably 500g/m²Hereinafter, it is more preferably 300g/m²Hereinafter, specifically, it is preferably 50g/m²With Upper 500g/m²(scope identical with the grammes per square metre of above-mentioned upper strata absorbent core 421) below, more preferably 100g/m²Above 300g/ m²Below.In addition, the grammes per square metre of the absorbing polymeric of lower floor's absorbent core 411 (belongs to main uptake zone in lower floor's absorbent core 411 The grammes per square metre of the absorbing polymeric in the region of domain 4M and belong to the grammes per square metre of absorbing polymeric in region of time absorption region 4E and be averaged Value) it is preferably 100g/m²More than, more preferably 150g/m²More than, and preferably 400g/m²Hereinafter, it is more preferably 350g/m²With Under, it is preferably 100g/m specifically²Above 400g/m²Hereinafter, it is more preferably 150g/m²Above 350g/m²Below.In addition, From the viewpoint of liquid diffusibility is improved, the grammes per square metre of the absorbing polymeric of upper strata absorber 421 is preferably than lower floor absorbent core The grammes per square metre of 411 absorbing polymeric be (absorbing polymeric in the region for belonging to main absorption region 4M in lower floor's absorbent core 411 Grammes per square metre and belong to time absorption region 4E region absorbing polymeric grammes per square metre average value) small 50g/m²More than, it is more preferably small 100g/m²More than.The grammes per square metre of the absorbing polymeric of upper strata absorber 42 is measured using following methods.

The assay method ＞ of the absorbing polymeric of ＜ upper stratas absorber 42 and the grammes per square metre of cellulose fibre

First, upper strata absorber 42 is separated with lower floor absorber 41, the upper strata absorber 42 after separation is arranged on water On platform, the size of 70mm × 70mm is cut into, as determination sample.In measure and above-mentioned ＜ lower floors absorbent core 411 The absorbing polymeric in region for belonging to main absorption region 4M and the grammes per square metre of cellulose fibre and belong to time absorption region 4E's The absorbing polymeric in region and the method described in the assay method ＞ of the grammes per square metre of cellulose fibre similarly carry out, and draw upper strata The absorbing polymeric of absorber 42 and the grammes per square metre of cellulose fibre.

Hereinafter, the absorbing polymeric included to absorber 4 is concretely demonstrated.

From the viewpoint of the absorption of excreta is kept, the water absorption of absorbing polymeric is preferably more than 10g/g, more preferably For more than 15g/g, and preferably below 50g/g, more preferably below 30g/g, it is preferably more than 10g/g 50g/g specifically Hereinafter, more than 15g/g below 30g/g are more preferably.The water absorption of absorbing polymeric can be utilized using JIS K7223 as foundation The assay method of centrifugation maintenance dose is tried to achieve.The centrifugation maintenance dose of water absorbent polymer (is inhaled with the water absorption of water absorbent polymer Water multiplying power) relevant characteristic, in general, the water absorption for centrifuging the big water absorbent polymer of value of maintenance dose is also big.

The assay method ＞ of ＜ centrifugation maintenance doses (water absorption)

The measure for centrifuging maintenance dose (water absorption) is carried out according to JIS K7223 (1996).By the weaving of nylon, (sieve is opened Hole 255, three power make and are sold, the name of an article：Nylon wire, specification：250 × sieve aperture width × 30m) cut into width 10cm, length The rectangle of 40cm and in the doubling of length direction center, both ends are sealed and make width 10cm (inside dimension 9cm), length The Nylon Bag of 20cm.Then, absorbing polymeric 1.00g of the precise as measure sample, and be homogeneously added into producing Nylon Bag bottom.Then, the Nylon Bag equipped with sample is made to be immersed in physiological saline (0.9 matter that temperature is adjusted to 25 DEG C Measure % sodium chloride water) in.Then, since dipping 1 it is small when after Nylon Bag is taken out from physiological saline, hanged with plumbness Hang 1 it is small when and go after moisture removal, be dehydrated using centrifuge dehumidifier (KOKUSAN (stock) manufacture, pattern H-130C special types). Dehydration conditions are set to 143G (800rpm) 10 minutes.After dehydration, the quality of sample is measured, calculates the centrifugation of target according to the following formula Maintenance dose (water absorption).

Centrifuge maintenance dose (g/g)=(a'-b-c)/c

In formula, a' represents that the gross mass (g) of sample and Nylon Bag after centrifugal dehydration, b (are done before representing the water suction of Nylon Bag When dry) quality (g), the quality (g) of (dry when) before the water suction of c representing samples.Measure carries out 5 times (n=5), deletes up and down Each 1 value, using the average value of remaining 3 values as measured value.In addition, being measured in 23 ± 2 DEG C, humidity 50 ± 5%, surveying Sample preserved under identical environment before fixed 24 it is small when more than be measured again.

In addition, from the viewpoint of the absorption of excreta during pressurization is kept, the 2.0kPa pressurizations of absorbing polymeric are lower to inhale Receipts amount is preferably more than 10g/g, more preferably more than 15g/g, and preferably below 50g/g, more preferably below 30g/g, tool It is preferably more than 10g/g below 50g/g for body, more preferably more than 15g/g below 30g/g.Herein, the load of 2.0kPa The body pressure of absorber is put on when being roughly equivalent to wear absorbent commodity.The lower uptake of pressurization is to represent to absorb by wearing Property article and to absorber apply pressure in the state of absorbing polymeric maximum can absorb more a small amount of scale.

The assay method ＞ of the lower uptake of ＜ pressurizations

The lower uptake of pressurization is surveyed using the assay method described in Japanese Unexamined Patent Publication 2003-235889 publications and measurement device It is fixed.The nylon wire for preparing 63 μm of mesh (posts JISZ8801-1 in bottom surface：2000 cylinder plastic tube (internal diameter 30mm, height 60mm).Then, precise 0.50g samples (absorbing polymeric), sample is added in a manner of as substantially uniform thickness To the nylon wire of vertical cylinder plastic tube.Then, by outside diameter 29.5mm in a manner of applying the load of 2.0kPa to sample The counterweight of × thickness 22mm is inserted into cylinder plastic tube.Then, by the cylinder plastic tube equipped with sample and counterweight with nylon wire Side is vertically immersed in the culture dish equipped with 60ml physiological saline (diameter=120mm) for lower surface.Then, one is simultaneously soaked After face is placed 60 minutes, it will be taken out equipped with the cylinder plastic tube of sample and counterweight, after removing moisture removal 15 minutes, metering is equipped with The cylinder plastic tube of sample and counterweight, calculates the weight for the physiological saline that sample is absorbed.By the physiological saline of the absorption Weight divided by the value of 0.5 gained are as the lower uptake (g/g) of pressurization.Measure carries out 5 times (n=5), deletes each 1 value up and down, will Average value 3 remaining is as measured value.In addition, being measured in 23 ± 2 DEG C, humidity 50 ± 5%, sample is existed before the assay It is measured again more than when preservation 24 is small under identical environment.

In addition, from the viewpoint of the diffusivity of liquid during pressurization, the lower liquid of 2.0kPa pressurizations of absorbing polymeric is saturating It is preferably more than 5ml/min to cross speed, more preferably more than 10ml/min, and preferably below 150ml/min, more preferably Below 120ml/min, is preferably more than 5ml/min below 150ml/min specifically, more preferably more than 10ml/min Below 120ml/min.The lower penetration by liquid speed of pressurization makes generally as the diffusion of the liquid in absorber, the index of penetration speed With.

The assay method ＞ of the lower penetration by liquid speed of ＜ pressurizations

The lower penetration by liquid speed of pressurization utilizes the assay method and measure described in Japanese Unexamined Patent Publication 2003-235889 publications Device measures.That is, in the glass beaker of 100mL, it is immersed in as 0.32 ± 0.005g of absorbing polymeric of measure sample Be enough the physiological saline (0.9 mass % sodium chloride water) of the amount of swelling, more than 5 times of saturated absorption amount of such as absorbing polymeric Physiological saline in and place 30 minutes.In addition, prepare under the opening portion for the cylinder (internal diameter 25.4mm) vertically erect End be equipped with wire screen (150 μm of mesh, three business of limited company sale biological column sintered stainless steel filter 30SUS) and The filtering cylindrical tube of tubule (internal diameter 4mm, length 8cm) with embolism (internal diameter 2mm), in the state of by embolism locking, will wrap The content of above-mentioned beaker containing the measure sample after swelling is all in input to the cylindrical tube.Then, there will be net in front end Eye is inserted into filtering cylindrical tube for 150 μm and the diameter 2mm of the wire screen of a diameter of 25mm of cylindrical rod, with the metal wire The mode of net and measure sample contacts, and then load weight in a manner of applying the load of 2.0kPa to measure sample.In the shape After being placed 1 minute under state, open embolism and flow liquid, the liquid level in measurement filtering cylindrical tube is reached from the graduation mark of 60mL Time (T untill the graduation mark (i.e. the liquid of 20mL passes through) of 40mL₁) (second).Use measured time T₁(second), under Formula calculates the lower penetration by liquid speed of 2.0kPa pressurizations.In addition, in formula, T₀(second) is not add measure in filtering cylindrical tube Physiological saline 20ml is measured in the state of sample and passes through value obtained by the time needed for wire screen.

Lower penetration by liquid speed (ml/min)=20 × 60/ (T of pressurization₁- T₀)

Measure carries out 5 times (n=5), each 1 value up and down is deleted, using average value 3 remaining as measured value.In addition, 23 ± 2 DEG C, humidity 50 ± 5% be measured, sample is preserved under identical environment before the assay 24 it is small when more than surveyed again It is fixed.The more detailed assay method of the lower penetration by liquid speed of pressurization is documented in the paragraph of Japanese Unexamined Patent Publication 2003-235889 publications [0008] and in paragraph [0009], and measurement device is documented in Fig. 1 and Fig. 2 of the publication.

In addition, from the viewpoint of holding urine is rapidly absorbed, the absorption speed of the foundation DW methods measure of absorbing polymeric Degree is preferably more than 10ml/ (g10 points), is more preferably more than 20ml/ (g10 points), and preferably 100ml/ (g10 points) Hereinafter, it is more preferably 70ml/ (g10 points) below, is preferably 10ml/ (g10 points) above 100ml/ (g10 specifically Point) below, more preferably 20ml/ (g10 points) above 70ml/ (g10 points) is below.The infiltration rate table obtained using DW methods That shows is absorbing polymeric draw body fluid and the behavior that absorbs or body fluid is taken between the particle of adjacent absorbing polymeric Behavior in gap, the conformality of absorber during as manufacture and after body fluid absorption, the absorber particularly after body fluid absorption The index of conformality uses.

In addition, from the viewpoint of holding urine is rapidly absorbed, the absorption speed of the foundation DW methods measure of absorbing polymeric Degree is preferably more than 3ml/ (g1 points) more than more preferably 5ml/ (g1 points), and preferably 30ml/ (g1 points) is below, More preferably 20ml/ (g1 point) below, specifically, be preferably 3ml/ (g1 points) above 30ml/ (g1 points) below, more Preferably 5ml/ (g1 points) above 20ml/ (g1 points) is below.

＜ utilizes the assay method ＞ of the infiltration rate of DW methods

The infiltration rate use demand wetability tester (Demand Wettability Tester) obtained using DW methods Device measures.Specifically, in the apparatus, by the liquid level of physiological saline be arranged to polymer dispersed platform [70mm φ, in glass The platform of No.2 filter paper is placed with glass filter No.1] the equal water level in surface, dissipated on the surface of the polymer dispersed platform The absorbing polymeric of cloth 0.3g measure objects.Water absorption at the time of spreading absorbing polymeric is set to 0, measure is passed through 1 minute Afterwards and by each water absorption after ten minutes.The water absorption is to represent the scale of the buret of the reduction amount of the water level of physiological saline Measure.Using the value of the water absorption obtained as the infiltration rate obtained using DW methods.Measure carries out 5 times (n=5), in deletion Under each 1 value, the average value of remaining 3 is set to measured value.In addition, being measured in 23 ± 2 DEG C, humidity 50 ± 5%, surveying Sample preserved under identical environment before fixed 24 it is small when more than be measured again.

Above-mentioned absorbing polymeric is preferably able to absorb more than 20 times of liquid of holding own wt and being capable of gelation.On The graininess that absorbing polymeric preferably its average grain diameter is less than more than 10 μm 1000 μm is stated, more preferably its average grain diameter is 100 μ The graininess of below 800 μm of more than m.There is no particular restriction for the shape of particle, for example, can use spherical, block, botryoidalis, It is bag-shaped etc. variously-shaped.

As an example, absorbing polymeric as characterized above can be by by more than a kind in following monomer It polymerize and obtains.In addition, the crosslinking treatment is carried out as necessary.Polymerization is not particularly limited, and can be gathered using anti-phase suspension The various methods of the well-known absorbing polymeric such as legal or water solution polymerization process.Thereafter, as needed to the condensate into The operations such as row crushes, classification, and be surface-treated as needed.

Manufacture the monomer that the monomer used during absorbing polymeric is unsaturated group water-soluble and with polymerism.It is specific and Speech, can include olefines unsaturated carboxylic acid or its salt, olefines esters of unsaturated carboxylic acids, olefines unsaturated sulfonic acid or its Salt, olefines unsaturation phosphoric acid or its salt, olefines unsaturated phosphate ester, olefines unsaturated amine, olefines unsaturation An salt, Olefines unsaturated amides etc. have the vinyl monomer of polymerism unsaturated group.

Hereinafter, the cellulose fibre included to absorber 4 is concretely demonstrated.

As cellulose fibre, cotton, paper pulp fiber, staple fibre etc. can be enumerated.The cellulose of upper strata absorber 42 The cellulose fibre of fiber and lower floor's absorbent core 411 may be either same fiber, or not same fiber.Especially, from making Return from the viewpoint of fluidity lifting, the cellulose fibre of upper strata absorber 42 is preferably the cellulose after being crosslinked in cellulose fibre Fiber.As the cellulose fibre after crosslinking, the modification that can be enumerated described in Japanese Unexamined Patent Application Publication 2010-526632 publications is (fine Dimension element) fiber, such as through chemically rigidifying, twisted and/or through curling (curling) (cellulose) fiber, through chemically firm Change, twisted and/or cross-linked cellulose through curling or synthetic polymeric fibers etc., a kind in them can be used alone Or it is mixed with two or more.Commercially available product can also be used.As commercially available product as described above, such as Federal can be enumerated " ALBACEL " (trade name) of Paper Board Co. manufactures, PT Inti Indorayon Utara are manufactured What " FILTRANIER " (trade name) of " INDORAYON " (trade name), ITT Rayonier Inc. manufacture and the said firm manufactured " POROSANIER " (trade name) etc..

From the viewpoint of diffusivity is further lifted, its preferred liquid of coating member 412 of lower floor's absorber 41 is formed Permeability is less than the liquid permeability of upper strata absorber 42.Liquid permeability is according to the penetration by liquid that can be measured by following methods Time is evaluated.It is excellent on the penetration by liquid time that following methods can be utilized to measure, the penetration by liquid time of coating member 412 More than 5 seconds slower than the penetration by liquid time of upper strata absorber 42 of choosing, it is more than 8 seconds more preferably slow.

The assay method ＞ of ＜ penetration by liquid times

As shown in fig. 7, by 2 cylinders 91 of the internal diameter 35mm of upper and lower end opening, 92 so that the axis of two cylinders 91,92 is consistent Mode up and down configure, by the made of metal sieve of diameter 55mm, 40mm square cutting sample piece and its upside set 1 ADVANTEC companies manufacture the filter paper of 101 diameter 55mm, sandwich between upper and lower cylinder 91,92.At this time, preferably make fixture 93 chimeric In the cricoid flange part that the lower end of the cylinder 91 in upside and the upper end of the cylinder 92 of downside are set, by upper and lower cylinder 91, 92 link.Symbol 94 is to be same footpath with the internal diameter with cylinder 91,92 and is the lining of the rubber system of the through hole of similar shape etc.. In the state of cutting sample piece is gripped by upper and lower cylinder 91,92 like this, in cylinder 91 to the upper side in supply Fig. 7 Artificial urine 40g shown in symbol W.The artificial urine supplied passes through cutting sample piece, interior from this by the cylinder 92 of downside The lower end of cylinder 92 flows down.The artificial urine flowed down using the observation of the weight measuring arrangements such as electronics Libra from the cylinder 92 on the downside of this Weight ongoing change, measure since starting the supply of artificial urine until the quality as the time untill 20g, will be upper Stating the time is set to the penetration by liquid time.In multiple measure, cutting sample piece is ready for new sample strip every time.Measure carries out 3 It is secondary, using average value as measured value.

The composition of the artificial urine used in the measure of penetration by liquid time is as described below.1.94 mass % of urea, chlorination 0.7954 mass % of sodium, 0.11058 mass % of magnesium sulfate (heptahydrate), 0.06208 mass % of calcium chloride (dihydrate), sulphur Sour 0.19788 mass % of potassium, 0.0035 mass % of polyoxyethylene laurel ether and ion exchange water (surplus).

As described above, in absorbent main body 10, overleaf between sheet material 3 and absorber 4, it is configured with is coated with the vertical The indicator the area of application 60 for the indicator 6 drained by the change notification of color.Moreover, as shown in Fig. 2, overlook diaper 1A When, indicator the area of application 60 coated with indicator 6 configures the main absorption region 4M in absorber 4, indicator the area of application The end 60b of the drosal part B sides of 60 longitudinal direction (Y-direction) is configured in the drosal part B sides of the longitudinal direction (Y-direction) of main absorption region 4M End 4Mb near.Herein, so-called indicator the area of application 60 refers to surround the portion when overlooking the part coated with indicator 6 Divide overall region.In addition, the end 60b of the drosal part B sides of so-called indicator the area of application 60 is configured in main absorption region 4M Drosal part B sides end 4Mb near, not only mean that the end 60b of indicator the area of application 60 is configured to and main uptake zone The position consistency of the end 4Mb of domain 4M, as long as also meaning the end of longitudinal drosal part B sides of indicator the area of application 60 60b is with the ora terminalis of the end 4Mb of the drosal part B sides of the longitudinal direction (Y-direction) of main absorption region 4M (diaper 1A absorber 42 at the middle and upper levels Longitudinal direction (Y-direction) drosal part B sides end ora terminalis) on the basis of, the length positioned at the longitudinal direction (Y-direction) of main absorption region 4M In the range of about 1/10th of the degree length of the longitudinal direction (Y-direction) of absorber 42 (diaper 1A at the middle and upper levels).For example, urinating In cloth 1A, when the length of the longitudinal direction (Y-direction) of upper strata absorber 42 is 100mm, it is meant that the end of indicator the area of application 60 60b is configured in the range of ± the 10mm on the basis of the ora terminalis of the end of the drosal part B sides of upper strata absorber 42.

In addition, in diaper 1A, the end 60a configurations of the veutro portion A sides of the longitudinal direction (Y-direction) of indicator the area of application 60 Near the end 4Ma of the veutro portion A sides of the longitudinal direction (Y-direction) of main absorption region 4M.Herein, so-called indicator the area of application 60 Veutro portion A sides end 60a configure near the end 4Ma of the veutro portion A sides of main absorption region 4M, not only mean to indicate The end 60a of agent the area of application 60 is configured to the position consistency with the end 4Ma of main absorption region 4M, as long as also meaning instruction The end 60a of longitudinal veutro portion A sides of agent the area of application 60 is with the veutro portion A sides of the longitudinal direction (Y-direction) of main absorption region 4M The ora terminalis ora terminalis of the end of the veutro portion A sides of the longitudinal direction (Y-direction) of absorber 42 (diaper 1A at the middle and upper levels) of end 4Ma be base Standard, the length (length of diaper 1A longitudinal directions (Y-direction) of absorber 42 at the middle and upper levels positioned at the longitudinal direction (Y-direction) of main absorption region 4M Degree) about 1/10th in the range of.

Diaper 1A is described in more detail, as shown in Figure 1, along the center line CL extended in longitudinal direction (Y-direction) Position in the intermarginal line 61 for being configured with 1 indicator 6 in the front and back end of the longitudinal direction of upper strata absorber 42 (Y-direction), in this 1 finger Show the both side edges of the line 61 of agent 6 and the both sides along longitudinal direction (Y-direction) of upper strata absorber 42 it is each between, upper strata inhale 2 extended parallel in longitudinal direction (Y-direction) with center line CL are configured between the front and rear ora terminalis of the longitudinal direction (Y-direction) of acceptor 42 The line 62,62 of bar indicator 6.Thus, in diaper 1A, as shown in figure 3, surrounding the line 61 and 2 indicator 6 of 1 indicator 6 Indicator the area of application 60 of line 62,62 configured between ora terminalis before and after the longitudinal direction of upper strata absorber 42 (Y-direction), indicate The end 60b of the drosal part B sides of the longitudinal direction (Y-direction) of agent the area of application 60 is configured to longitudinal direction (the Y side with main absorption region 4M To) drosal part B sides end 4Mb position consistency.Moreover, in diaper 1A, as shown in figure 3, indicator the area of application 60 The end 60a of veutro portion A sides of longitudinal direction (Y-direction) be configured to veutro portion A sides with the longitudinal direction of main absorption region 4M (Y-direction) End 4Ma position consistency.

Further, from the viewpoint of the degree that can precisely distinguish urination, seen in transverse direction (X-direction) upper section When examining diaper 1A, the sidepiece 60s along longitudinal direction (Y-direction) of indicator the area of application 60 is preferably to configure in main absorption region 4M The sidepiece 4Ms along longitudinal direction (Y-direction) near.In addition, in the diaper 1A shown in Fig. 2, the side of indicator the area of application 60 Portion 60s is configured without near the sidepiece 4Ms of main absorption region 4M.So-called indicator the area of application 60 along longitudinal direction (Y side To) sidepiece 60s configure near the sidepiece 4Ms along longitudinal direction (Y-direction) of main absorption region 4M, not only mean indicator The sidepiece 60s of the area of application 60 is configured to the position consistency with the sidepiece 4Ms of main absorption region 4M, as long as also meaning indicator The sidepiece 60s of the area of application 60 is with the lateral margin of the sidepiece 4Ms along longitudinal direction (Y-direction) of main absorption region 4M (in diaper 1A The lateral margin of the sidepiece along longitudinal direction (Y-direction) of layer absorber 42) on the basis of, positioned at the transverse direction (X-direction) of main absorption region 4M The length length of the transverse direction (X-direction) of absorber 42 (diaper 1A at the middle and upper levels) about 1/10th in the range of.For example, In diaper 1A, when the length of the transverse direction (X-direction) of upper strata absorber 42 is 40mm, it is meant that the side of indicator the area of application 60 Portion 60s is configured in the range of ± the 4mm on the basis of the lateral margin of the sidepiece of upper strata absorber 42.

Indicator the area of application 60 in addition to indicator the area of application 60 shown in Fig. 1, such as can also as Fig. 4 (a)~ Configured like that shown in Fig. 4 (e).Indicator the area of application 60 when overlooking absorbent commodity is illustrated in Fig. 4 (a)~Fig. 4 (e) to indulge Near the front and back end that upper strata absorber 42 is reached on to (Y-direction), and at least the one of the area of application 60 in transverse direction (X-direction) Part is applied to both sides 4Ms, 4Ms of upper strata absorber 42.Hereinafter, Fig. 4 (a)~Fig. 4 (e) is concretely demonstrated.

In Fig. 4 (a), represent that indicator 6 is coated and forms 1 along longitudinal direction at spaced intervals in longitudinal direction (Y-direction) The group of the indicator 6 of (Y-direction) extension, illustrates the indicator the area of application 60 for the group for surrounding the indicator 6.In addition, in Fig. 4 (b) in, represent that indicator 6 is continuously coated with longitudinal direction (Y-direction) and forms 1 line, illustrate and surround 1 indicator Indicator the area of application 60 of 6 line.Indicator the area of application 60 shown in Fig. 4 (a) and Fig. 4 (b) is in upper strata absorber 42 Configured between the front and rear ora terminalis of longitudinal direction (Y-direction), the end of the drosal part B sides of the longitudinal direction (Y-direction) of indicator the area of application 60 60b is configured to the position consistency with the end 4Mb of the drosal part B sides of the longitudinal direction of main absorption region 4M (Y-direction).Moreover, instruction The end 60a of the veutro portion A sides of the longitudinal direction (Y-direction) of agent the area of application 60 is configured to longitudinal direction (the Y side with main absorption region 4M To) veutro portion A sides end 4Ma position consistency.

In addition, in Fig. 4 (c), the indicator 6 of the circular shape left and right alternately and between separating in longitudinal direction (Y-direction) is represented It is coated every ground and forms the group of the indicator 6 along longitudinal direction (Y-direction) extension, illustrates the instruction for the group for surrounding the indicator 6 Agent the area of application 60.In indicator the area of application 60 shown in Fig. 4 (c), the position of the leftmost side of the circular indicator 6 in left side With the position consistency of the lateral margin of the left side along longitudinal direction (Y-direction) of upper strata absorber 42, the circular indicator 6 on right side The position consistency of the position of the rightmost side and the lateral margin of the right side along longitudinal direction (Y-direction) of upper strata absorber 42.And then most lean on The circular indicator 6 of drosal part B sides near the longitudinal direction (Y-direction) of the position of the front end of Y-direction and upper strata absorber 42 Drosal part B sides end ora terminalis position consistency, most by veutro portion A sides circular indicator 6 near Y-direction The position of lower end and the position consistency of the ora terminalis of the end of the veutro portion A sides of the longitudinal direction (Y-direction) of upper strata absorber 42.Therefore, Indicator the area of application 60 shown in Fig. 4 (c) is consistent with the profile of upper strata absorber 42, and with the main absorption region of absorber 4 4M is consistent.Like this, in indicator the area of application 60 shown in Fig. 4 (c), the end 60b of its drosal part B sides is configured to and main suction The position consistency of the end 4Mb of the drosal part B sides of region 4M is received, the end 60a of its veutro portion A sides is configured to and main absorption region The position consistency of the end 4Ma of the veutro portion A sides of 4M.Moreover, in indicator the area of application 60 shown in Fig. 4 (c), its both sides 60s, 60s are configured to the position consistency with both sides 4Ms, 4Ms of main absorption region 4M.

In addition, in Fig. 4 (d), represent to be configured with the finger being made of 2 lines in cornerwise position of upper strata absorber 42 Show agent 6, illustrate the indicator the area of application 60 for surrounding 2 indicator 6.Indicator the area of application 60 shown in Fig. 4 (d), As described above, configure the line of 2 indicator 6 in cornerwise position of upper strata absorber 42 and formed, therefore, shown in Fig. 4 (d) Indicator the area of application 60 it is consistent with the profile of upper strata absorber 42, it is consistent with the main absorption region 4M of absorber 4.As this Sample, in indicator the area of application 60 shown in Fig. 4 (d), the end 60b of its drosal part B sides is configured to main absorption region 4M's The position consistency of the end 4Mb of drosal part B sides, the end 60a of its veutro portion A sides are configured to the veutro portion with main absorption region 4M The position consistency of the end 4Ma of A sides.Moreover, in indicator the area of application 60 shown in Fig. 4 (d), its both sides 60s, 60s match somebody with somebody It is set to the position consistency with both sides 4Ms, 4Ms of main absorption region 4M.

In addition, in Fig. 4 (e), the both side edges along the both sides along longitudinal direction (Y-direction) of upper strata absorber 42 are represented Position and upper strata absorber 42 along longitudinal direction (Y-direction) extension center line CL position, be configured with along longitudinal direction (Y-direction) and prolong The line for 3 indicator 6 stretched, illustrates the indicator the area of application 60 for the line for surrounding 3 indicator 6.Shown in Fig. 4 (e) In indicator the area of application 60, the position of the line of the indicator 6 in left side and the left side along longitudinal direction (Y-direction) of upper strata absorber 42 The position consistency of the lateral margin of sidepiece, the position of the line of the indicator 6 on right side and upper strata absorber 42 along longitudinal direction (Y-direction) The position consistency of the lateral margin of right side.Further, in the line of 3 indicator 6, most by drosal part B sides Y-direction front end position The position consistency with the ora terminalis of the end of the drosal part B sides of the longitudinal direction of upper strata absorber 42 (Y-direction) is put, most by veutro portion A sides Y-direction lower end position and upper strata absorber 42 longitudinal direction (Y-direction) veutro portion A sides end ora terminalis position one Cause.Therefore, indicator the area of application 60 shown in Fig. 4 (e) is consistent with the profile of upper strata absorber 42, the main suction with absorber 4 It is consistent to receive region 4M.Like this, in indicator the area of application 60 shown in Fig. 4 (e), the end 60b of its drosal part B sides is configured to With the position consistency of the end 4Mb of the drosal part B sides of main absorption region 4M, the end 60a of its veutro portion A sides is configured to and main suction Receive the position consistency of the end 4Ma of the veutro portion A sides of region 4M.Moreover, in indicator the area of application 60 shown in Fig. 4 (e), its Both sides 60s, 60s are configured to the position consistency with both sides 4Ms, 4Ms of main absorption region 4M.

The formation material of the diaper 1A of present embodiment is illustrated.

As face sheet 2 and back-sheet 3, if material usually used in the absorbent commodities such as disposable diaper Material, then be able to use with no particular limitation.For example, as face sheet 2, hydrophily and liquid permeability can be used Non-woven fabrics etc., as back-sheet 3, can use liquid impermeability or resin film, the resin film and the non-woven fabrics of water-repellancy Layered product etc..As the coating member 412 for forming lower floor's absorber 41, hydrophilic sheet can be used for example comprising water penetration The cored sheet material etc. of thin paper (cotton paper), water penetration non-woven fabrics.As the sidepiece sheet material 5 for forming three-dimensional corrugation or leg creases, such as Fruit is commonly used material in the absorbent commodities such as disposable diaper, then is able to use with no particular limitation, can make With the film of retractility, non-woven fabrics, fabric or their laminated sheet etc..

The elastomeric element 52 of elastomeric element 51, leg creases formation as three-dimensional corrugation formation, if once Commonly used material in the absorbent commodities such as property diaper, then can be used without special restrictions.For example, it can use comprising day T PNR, polyurethane, polystyrene-polyisoprene copolymer, polystyrene-polybutadiene copolymer, ethyl acrylate-second The loft material of the wire of the polyethylene-alphaolefin copolymer such as alkene etc..

, then can be without special if commonly used material in the absorbent commodities such as disposable diaper as indicator 6 Limitation ground uses.For example, the sheet materials such as the film different from back-sheet 3 or non-woven fabrics can be used or overleaf sheet material 3 directly applies Apply and produce the component that color, discoloration or the colored materials of colour fading form by being contacted with excreta.For example, as coloured material Material, can use mixture of pH indicator and oxidized compound etc..

As flexible empiecement 7b, for example, (1) can be used to have and can stretch on the two sides of elastic fibrous layer or single side integration Sheet material obtained by long fibrous layer, (2) have the fibrous layer that can be extended on the two sides of netted elastic sheet material or single side integration Obtained by sheet material, (3) have the fibrous layer that can be extended on the two sides of the elastic sheet material comprising elastic membrane or single side integration and obtain Sheet material., then being capable of nothing if commonly used material in the absorbent commodities such as disposable diaper as empiecement component 7a Especially limitation ground uses, for example, non-woven fabrics of liquid impermeability etc. can be used.As pull stap 72, if disposable Commonly used material in the absorbent commodities such as diaper, then can be used without special restrictions.For example, consolidating as pull stap 72 Portion 71, " Magic Tape (registration mark) " (Kuraray Corporation manufacture), " QUICKLON (registration mark) " can be used Sunny side component of (manufacture of YKK companies), " Magicloth (registration mark) " (manufacture of Kanebo Bell-Touch companies) etc. etc..

In order to carry out the fixation of face sheet 2, back-sheet 3, sidepiece sheet material 5, pull stap 72 etc., using in disposable urine The welding side such as usually used hot melt adhesive or heating embossing, ultrasonic embossing, high frequency embossing in the absorbent commodities such as cloth Method.

To using the invention described above (the first invention) embodiment disposable diaper 1A when action effect say It is bright.

As depicted in figs. 1 and 2, diaper 1A has absorber 4, which includes：Under veutro portion A to drosal part B Layer absorber 41；With upper strata absorber of the configuration on the skin opposite face of lower floor's absorber 41 and only from veutro portion A to crotch C 42, the grammes per square metre of the absorbing polymeric of upper strata absorber 42 is less than the grammes per square metre of the absorbing polymeric of lower floor's absorber 41.Therefore, upper In layer absorber 42, become the construction that urine is easily spread.Moreover, belong to upper strata absorber 42 and lower floor in lower floor's absorber 41 The grammes per square metre of the absorbing polymeric in the region of the overlapping main absorption region 4M of absorber 41 is more than and belongs to beyond main absorption region 4M The grammes per square metre of the absorbing polymeric in the region of secondary absorption region 4E, therefore, from upper strata absorber 42 shift urine easily mainly by Main absorption region 4M is kept.In addition, as shown in figure 3, longitudinal direction (Y-direction) upper section observe diaper 1A when, indicator coating region Domain 60 is configured to be configured in main absorption region 4M in main absorption region 4M, the end 60b of the drosal part B sides of indicator the area of application 60 Drosal part B sides end 4Mb near.Therefore, the urine mainly kept by main absorption region 4M, indicator the area of application are utilized 60 indicator 6 easily and accurately changes colour, the accuracy lifting in the replacement period of diaper 1A.In this way, the replacement period of diaper 1A Accuracy lifting, therefore, according to diaper 1A, urine is not easy to leak out from crotch C portion.

In addition, in diaper 1A, as shown in figure 3, the veutro portion A sides of the longitudinal direction (Y-direction) of indicator the area of application 60 End 60a is configured near the end 4Ma of the veutro portion A sides of the longitudinal direction (Y-direction) of main absorption region 4M.Therefore, at a glance It is able to confirm that therefore, the accuracy for replacing period is further lifted until the end of main absorption region 4M, which absorbs, urine.

Especially, in diaper 1A, indicator the area of application 60 is as shown in figure 3, the end 60b configurations of its drosal part B sides The position consistency of the end 4Mb of the drosal part B sides of Cheng Yuzhu absorption regions 4M, the end 60a of its veutro portion A sides are configured to and master The position consistency of the end 4Ma of the veutro portion A sides of absorption region 4M.Therefore, the urine mainly kept by main absorption region 4M is utilized Liquid, the indicator 6 of indicator the area of application 60 easily change colour exactly, and the accuracy in the replacement period of diaper 1A further carries Rise.

Next, according to Fig. 5 and Fig. 6 to the pants-type disposable of the second embodiment as (the first invention) of the invention Diaper 1B (hereinafter also referred to as " diaper 1B ") illustrate.

On the diaper 1B of second embodiment, a pair aspect different from the diaper 1A of first embodiment illustrates. Not specified aspect is identical with diaper 1A, the appropriate explanation for applying diaper 1A.

As shown in Figure 5 and Figure 6, diaper 1B is configured with than upper strata absorber 42 less between absorber 4 and face sheet 2 Easily compressed the hydrophilic secondary layer of sheet material 8 of (work done during compression is low).It is rectangle shape when time layer of sheet material 8 is overlooked possessed by diaper 1B Shape, as shown in figure 5, the length for being formed as laterally (X-direction) is identical with the length of the transverse direction (X-direction) of upper strata absorber 42, and The length of longitudinal direction (Y-direction) is identical with the length of the longitudinal direction (Y-direction) of upper strata absorber 42.That is, the secondary layer of sheet material 8 of diaper 1B is such as Shown in Fig. 6, configure be fixed on absorber 4 upper strata absorber 42 skin opposite face on, only from veutro portion A to crotch C into Row configuration, is configured without in drosal part B.

Secondary its preferred grammes per square metre of layer of sheet material 8 is 10g/m²Above 100g/m²Below.As secondary layer of sheet material 8, can use with parent Aqueous fiber is the sheet material (content of hydrophilic fibre is preferably sheet material more than 90 mass %) of main body, as the sheet material, example Paper, non-woven fabrics, screen cloth (mesh) can be such as enumerated, particularly preferably the non-woven fabrics of hot wind or resin-bonded etc..As parent Aqueous fiber, as long as the fiber with hydrophilic surface, and fiber can be formed each other with height under its moisture state The fiber of the sheet material of the free degree, then can be used without special restrictions, for example, the polyethylene after hydrophiling, poly- third can be used Alkene or polyethylene terephthalate or their composite fibre.In addition, secondary layer of sheet material 8 is in addition to containing hydrophilic fibre, Other components can also be contained such as water absorbent polymer, deodorant.

The work done during compression of secondary layer of sheet material 8 is preferably 50gcm/cm²More than, more preferably 100gcm/cm²More than, and preferably For 500gcm/cm²Hereinafter, it is more preferably 400gcm/cm²Hereinafter, specifically, it is preferably 50gcm/cm²More than 500g·cm/cm²Hereinafter, it is more preferably 100gcm/cm²Above 400gcm/cm²Below.The work done during compression of lower floor's absorber 41 Preferably 200gcm/cm²More than, more preferably 300gcm/cm²More than, and preferably 1200gcm/cm²Hereinafter, it is more excellent Elect 900gcm/cm as²Hereinafter, specifically, it is preferably 200gcm/cm²Above 1200gcm/cm²Hereinafter, more preferably 300g·cm/cm²Above 900gcm/cm²Below.The work done during compression of upper strata absorber 42 is preferably 300gcm/cm²More than, more Preferably 400gcm/cm²More than, and preferably 1200gcm/cm²Hereinafter, it is more preferably 800gcm/cm²Hereinafter, specifically For, it is preferably 300gcm/cm²Above 1200gcm/cm²Hereinafter, it is more preferably 400gcm/cm²Above 800gcm/ cm²Below.Especially, from the viewpoint of diffusivity lifting when making pressurization, the work done during compression of secondary layer of sheet material 8 is preferably inhaled than upper strata The high 50gcm/cm of work done during compression of acceptor 42²More than, more preferably high 100gcm/cm²More than.Work done during compression is surveyed using following methods It is fixed.The value of work done during compression more it is high it is easier compressed (easy conquassation), value is more low more is not easy to be compressed and (be not easy conquassation).

The assay method ＞ of ＜ work done during compressions

On the measure of work done during compression, by using the pressure for the KES-FB3-AUTO-A for adding Technology Co., Ltd.'s (stock) manufacture The work done during compression of contracting testing machine determination sample：WC value (units：g·cm/cm²).Determination condition is compression speed：0.10mm/ Sec, compresses maximum load condition：50gf/cm².The fine thing of product in measuring object for cellulose fibre or polymer, they do not have The cladding such as part is wrapped by, can also be 10g/m using grammes per square metre when measure is more difficult²~30g/m²Spun-bonded non-woven fabrics cladding And sample strip is made.Measured 3 times for the different parts in sample strip, be averaged value as work done during compression (gcm/cm²)。

To using the invention described above (the first invention) second embodiment diaper 1B when action effect illustrate.

On the effect of the diaper 1B of second embodiment, pair side different from the effect of the diaper 1A of first embodiment Face illustrates.Not specified aspect is identical with the effect of diaper 1A, the explanation of the appropriate effect using diaper 1A.

Diaper 1B as shown in Figure 5 and Figure 6, is configured with work done during compression than upper strata absorber between absorber 4 and face sheet 2 The 42 small hydrophilic secondary layer of sheet material 8 for being less susceptible to be compressed (work done during compression is relatively low) than upper strata absorber 42.Therefore, it is possible to strengthen Urine absorption ability, reduces the phenomenon (rewetting) that absorbed urine is back to 2 side of face sheet.Especially, in diaper 1B, As shown in Figure 5 and Figure 6, secondary layer of sheet material 8 is only configured from veutro portion A to crotch C, therefore, it is possible to strengthen mainly by main suction The urine absorption ability for the urine that region 4M is kept is received, due to not configuring in drosal part B, is not easy to indicator the area of application The discoloration of 60 indicator 6 brings influence.

The absorbent commodity of (the first invention) of the invention and the diaper 1A from above-mentioned first embodiment, above-mentioned second reality Any restrictions of the diaper 1B of mode are applied, being capable of appropriate make a change.In addition, the diaper 1A of above-mentioned first~second embodiment Each constitutive requirements in~1B can be suitably combined and reality in the range of the purport of (the first invention) of the invention is not departed from Apply.

For example, the absorbent commodity of of the invention (the first invention) except the deploying type as above-mentioned diaper 1A, 1B once Beyond property diaper, or Breeches type disposable diaper, or such as sanitary napkin beyond disposable diaper, Hold diaper etc..

Hereinafter, for the absorbent commodity of (the second invention) of the invention, based on one as its preferable embodiment Secondary property diaper, is described with reference to the accompanying drawings.The diaper 1C of present embodiment as shown in Figure 8 and Figure 9, includes absorber 4 and configuration The absorber 4 non-skin with respect to surface side back-sheet 3, and with equivalent to wearer longitudinal direction Y in the front-back direction with Orthogonal to that horizontal X.

In addition, in the present specification, skin opposite face is absorbent commodity (diaper 1C) or its component parts (face sheet 2nd, back-sheet 3, absorber 4 when) in when wearing absorbent commodity it is opposite towards the face of the skin side of wearer, non-skin Face is that the direction side opposite with skin side when wearing absorbent commodity in absorbent commodity or its component parts (is worn the clothes Side) face.In addition, longitudinal direction Y with along the direction of absorbent commodity or the long side of its component parts (length direction) unanimously, horizontal X It is consistent with the width of absorbent commodity or its component parts.

It is further illustrated, as shown in Figure 8 and Figure 9, diaper 1C is so-called flat type disposable diaper, including：Shape Into the face sheet 2 of the liquid permeability of skin opposite face；Formed non-skin opposite face liquid impermeability or water-repellancy (with Under, they are referred to liquid impermeability) back-sheet 3；And configure the suction of the liquid retainability between two sheets 2,3 Acceptor 4, is essentially the shape of lengthwise as shown in figure 8, being shape longer on (longitudinal Y) in one direction when overlooking.Just Facesheet 2 and back-sheet 3 have the size more than absorber 4 respectively, extend laterally from the periphery of absorber 4.

As shown in figure 8, diaper 1C on longitudinal Y have wear when configuration wearer veutro veutro portion A, configure Crotch part crotch B and configuration dorsal part drosal part C.Crotch B is included in opposite with the excretory portion of wearer when wearing match somebody with somebody The excretory portion counterpart put.The both side edges along longitudinal Y of crotch B are bent inwardly into arc-shaped in diaper 1C, as shown in figure 8, The hourglass-shaped shape of the shrinking inwardly of the central portion with longitudinal Y when overlooking.

Veutro portion A is that (being configured when wearing in absorbent commodity is being worn by the one end 1a of longitudinal Y apart from diaper 1C The longitudinal end at the position of the veutro of person) region within 100~180mm, account for the total length of longitudinal Y of diaper 1C 25~ 40%.In addition, drosal part C be longitudinal Y apart from diaper 1C the other end 1c (in absorbent commodity when wearing configuration exist The longitudinal end at the position of the dorsal part of wearer) region within 100~180mm, account for the total length of longitudinal Y of diaper 1C 25~ 40%.In addition, crotch B is the region clipped by veutro portion A and drosal part C, account for the total length of longitudinal Y of diaper 1C 25~ 40%.

As shown in figure 9, absorbent core 40 of the absorber 4 comprising liquid retainability and the flesh for being respectively coated by the absorbent core 40 The cored sheet material 41 of the water penetration of skin opposite face and non-skin opposite face and form.Cored sheet material 41 includes：Coat absorbent core First cored sheet material 41a (hydrophilic non-woven) of 40 skin opposite face (opposite face with face sheet 2)；With the second cored Sheet material 41b (hydrophobic nonwoven), it coats the non-skin opposite face (opposite face with back-sheet 3) of absorbent core 40 and rolls up Rise to the lateral margin along longitudinal Y of skin opposite face.Cored sheet material 41 is used for the conformality for maintaining absorbent core 40.Absorbent core It can also be engaged between 40 and cored sheet material 41 by engaging mechanism known to hot melten type bonding agent etc..

Absorber 4 is clamped by face sheet 2 and back-sheet 3, is fixed.Before and after longitudinal Y from absorber 4 ora terminalis to The waist 5,5 of anteroposterior direction extension it is each in, waist elastic members 51 are fixed on elongation state is formed two of the waist 5 Between sheet material 2,3, in addition, from the left and right lateral margin along longitudinal Y of absorber 4 in each of the leg that horizontal X extends 6,6 In, leg elastic members 61 are fixed on elongation state between the two sheets 2,3 for being formed the leg 6, when wearing diaper 1C, Waist gauffer and leg creases are formed by the contraction of these elastomeric elements 51,61.In addition, in the face sheet 2 of diaper 1C Side is respectively arranged with three-dimensional shield 7 along at left and right sides of longitudinal Y.Three-dimensional shield elastomeric element 71 is fixed on elongation state The free end of three-dimensional shield 7, when wearing diaper 1C, three-dimensional corrugation is formed by the contraction of the elastomeric element 71.

As shown in figure 8, the both sides edge along longitudinal Y of the drosal part C of diaper 1C is provided with a pair of of pull stap 8,8. The adhered portion (not shown) being made of the sunny side component of mechanicalness face fastener (planar fastener) is installed in pull stap 8.In addition, In the non-skin opposite face (the non-skin opposite face of back-sheet 3) of the veutro portion A of diaper 1C formed with being fastened by mechanicalness face The back component of part (planar fastener) form by adhered region 9.It is (such as viscous using known joint method by adhered region 9 Connect agent or heat sealing etc.) by the engagement of the back component of mechanicalness face fastener be fixed on back-sheet 3 non-skin opposite face and Formed, be detachably bonded to the above-mentioned adhered portion of pull stap 8.

As shown in Figure 8 and Figure 9, back-sheet 3 has the lit-par-lit structure of penetrability sheet material 30 and non-woven fabrics 31.Penetrability piece Material 30 is the internal layer sheet material for the skin opposite face (opposite face with absorber 4) to form back-sheet 3, and non-woven fabrics 31 is to form the back of the body The outer layer sheet of the non-skin opposite face (outer surface of diaper 1C) of facesheet 3, above-mentioned lit-par-lit structure according to apart from absorber 4 by Proximal and distal order, comprising penetrability sheet material 30, non-woven fabrics 31 and form.As shown in figure 8, penetrability sheet material 30 and non-woven fabrics 31 Longitudinal Y length it is identical, but on the length (width) of horizontal X, penetrability sheet material 30 is shorter than non-woven fabrics 31, and width is relatively Formed relatively narrow.Penetrability sheet material 30 and non-woven fabrics 31 are configured throughout veutro portion A, crotch B and drosal part C.Penetrability sheet material 30 size is more than absorber 4, and the whole region of the non-skin opposite face (opposite face with back-sheet 3) of absorber 4 is by saturating Moist sheet material 30 coats.The side of engagement known to hot melten type bonding agent etc. can also be passed through between penetrability sheet material 30 and non-woven fabrics 31 Method engages.

As each component parts above for forming diaper 1C, can be used without special restrictions existing in the technical field The known component of technology.As face sheet 2, liquid permeability sheet material can be used, for example, hydrophily nonwoven can be used Cloth etc..As absorbent core 40, for example, can use wood pulp, comprising hydrophilic agent processing after conjunction it is long and slender dimension etc. it is hydrophilic The fiber assembly of property fiber or by granular water absorbent polymer be maintained in the fiber assembly obtained by material.Make To coat the cored sheet material 41 (41a, 41b) of absorbent core 40, for example, paper or the various non-woven fabrics such as toilet paper can be used, opened The sheet material of the liquid permeabilities such as pore membrane.As elastomeric element 51,61,71, various elastomeric materials can be used.

On cored sheet material 41 (41a, 41b), make following instructions after moisture especially is fully absorbed with regard to absorbent core 40 Agent 10 change colour purpose for, the second cored sheet material 41b contact with indicator 10 is preferably hydrophobic sheet material, specifically and Speech, can use the spun-bonded non-woven fabrics, spunbond-melt blown (SM) non-woven fabrics, spunbond of the vistanex comprising polypropylene etc.-molten Spray-spunbond (SMS) non-woven fabrics, spunbond-meltblown-meltblown-spunbond (SMMS) non-woven fabrics etc..Gram of cored sheet material 41 (41a, 41b) It is preferably 8~25g/m again², more preferably 10~20g/m².In addition, by selecting the resistance to of the non-woven fabrics for cored sheet material 41b The degree of hydraulic pressure, can adjust the period of the discoloration of following indicator 10.As an example of absorber 4 as described above, flesh Skin is by SMS non-woven fabrics (the grammes per square metre 15g/m in polypropylene with respect to the hydrophilic cored sheet material 41a of surface side²) coating circle Face activating agent and implement the sheet material of hydrophilicity-imparting treatment, and non-skin is poly- third with respect to the hydrophobic cored sheet material 41b of surface side SMS non-woven fabrics (the grammes per square metre 15g/m of alkene²), thereby, it is possible to obtain the moisture from skin with respect to the cored sheet material 41a of surface side The lifting effect of water imbibition and block liquid effect using cored sheet material 41b of the non-skin with respect to surface side.Liquid effect is blocked according to the latter Fruit, (during absorbent core 40 is in the state that can use), moisture is not easy before absorbent core 40 fully absorbs moisture By cored sheet material 41b of the non-skin with respect to surface side, thereby, it is possible to effectively prevent from reaching the indicator 10 before replacement period Discoloration.

As the penetrability sheet material 30 for forming back-sheet 3, can use " by with penetrating through sheet material in a thickness direction Micropore and resin film with penetrability ", as the resin film, for example, can use poly- comprising polyethylene, polypropylene etc. The film of the resin of alkene etc..As the non-woven fabrics 31 for forming back-sheet 3, for example, spun-bonded non-woven fabrics, spunbond-molten can be used Spray-spunbond (SMS) non-woven fabrics, spunbond-meltblown-meltblown-spunbond (SMMS) non-woven fabrics, hot-wind nonwoven cloth, spunlace non-woven cloth etc..Close In back-sheet 3, the back-sheet 3 is overall to have liquid impermeability, and penetrability sheet material 30 and non-woven fabrics 31 are not one Surely there is liquid impermeability.The grammes per square metre of penetrability sheet material 30 is preferably 5g/m²More than, more preferably 8g/m²More than, moreover, excellent Elect 50g/m as²Hereinafter, it is more preferably 40g/m²Hereinafter, more specifically, it is preferably 10~30g/m², more preferably 15~25g/ m².In addition, the grammes per square metre of non-woven fabrics 31 is preferably 5g/m²More than, more preferably 8g/m²More than, also, it is preferred that being 40g/m²Hereinafter, More preferably 30g/m²Hereinafter, more specifically, it is preferably 10~25g/m², more preferably 12~20g/m²。

As shown in Figure 8 and Figure 9, between the back-sheet 3 in crotch B and absorber 4, more specifically in penetrability piece Between material 30 and cored sheet material 41b, it is configured with by contact with moisture or body fluid (urine, excrement, menses etc.) to change colour Indicator 10.Indicator 10 includes hydrophilic composition, the hydrophilic composition include by with contact with moisture and vision Upper changed electrochromic substance and the adhesive played function as bonding agent, indicator 10 with conduct except that will wear The excretion situation of the body fluid of the person of wearing (such as infant) notified beyond the function to the indicator component of observer (such as mother), Also have the function of as the attachment that will be engaged between back-sheet 3 and absorber 4.Indicator 10 passes through in penetrability piece The skin opposite face of material 30 or the non-skin opposite face of cored sheet material 41b apply above-mentioned hydrophilic composition and configure.Instruction Color before and after the discoloration of agent 10 is different from the true qualities of penetrability sheet material 30 and non-woven fabrics 31 respectively.In the present embodiment, thoroughly The true qualities of moist sheet material 30 and non-woven fabrics 31 and the color of the raw material of the back-sheet in such a absorbent commodity are similarly white Color, the color (blueness) after color (yellow) and discoloration before the discoloration of indicator 10 pass through (the penetrability sheet material of back-sheet 3 30 and non-woven fabrics 31) it is and visible, can see from the outside of diaper 1C.

In the present embodiment, indicator 10 is provided with 1 in longitudinal Y extensions in the central portion of the horizontal X of diaper 1C Linear indicator, and the total length of longitudinal Y in crotch B is formed and extended out.By that will notify the body fluid such as urine like this The indicator 10 of excretion situation configure the discoloration of the indicator 10 in the position that body fluid is directly drained i.e. crotch B, crotch B, Can clearly it be distinguished by the comparison of the veutro portion A or drosal part C that change colour with relative difficult.The length of longitudinal Y of indicator 10 Degree is preferably 100~400mm, more preferably 150~300mm, and horizontal length (width) is preferably 1~10mm, and more preferably 2 ~6mm.

As above-mentioned electrochromic substance included in indicator 10 (hydrophilic composition), such as pH indicator is enumerated. PH indicator can suitably be selected according to species of absorbent commodity of application indicator 10 etc., as present embodiment In the case that absorbent commodity is disposable diaper, the changed material of front and rear color with the contact of urine is preferably used in Material, for example, it is preferable to be that the pH value such as bromophenol blue, methyl orange, alizarin S, bromocresol green, methyl red, bromocresol purple, resazurin are 3~7 The material of Shi Bianse.

In the present embodiment, indicator 10 (before being contacted with moisture or body fluid) is yellow before discoloration, is blue after discoloration Color, the color before and after the discoloration of indicator 10 have the relation of complementary color each other.Color with complementary color relationship refers in hue circle In it is complementary positioned at the color combination of relation of antipodal position, such as " red blue is green " " orange/blue " " yellow/royal purple " etc. Color.Respective color is mutually set off in the mutual color combination of complementary color.

After yellow and discoloration it is blue electrochromic substance (pH indicator) before discoloration as be, for example, bromine first can be enumerated Phenol is green.

In addition, as above-mentioned adhesive included in indicator 10 (hydrophilic composition), just with above-mentioned change For the aspect of the intermiscibility of color substance, preferably with hydrophily.As such material, for example, can enumerate at least with As the bonding agent that will be engaged between back-sheet 3 (penetrability sheet material 30) and absorber 4 (cored sheet material 41b) before contact with moisture The hydrophilic polymer played function, specifically, for example, polyethylene glycol (PEG), polypropylene glycol (PPG) can be enumerated, gathered Vinyl alcohol (PVA), polyamide, Kollidone 90F etc..

The penetrability sheet material 30 of a dominant features of diaper 1C as present embodiment is illustrated, is such as schemed Shown in 8 and Figure 10, the indicator overlapping with indicator 10 on the thickness direction of diaper 1C in penetrability sheet material 30 is corresponding Region 30A (as shown in figure 8, region overlapping with indicator 10 when overlooking), with the region of the square shape of 1cm square There are multiple modes in (non-icon) to be printed with the setting for same color or similar color to the color after the discoloration of indicator 10 Count element 35.Multiple design elements 35 are respectively by being not carried out being surrounded without Printing Department 36 for printing.No Printing Department 36 is penetrability piece The true qualities of material 30, are in the present embodiment white.In the present embodiment, design element 35 is printed in penetrability sheet material 30 Non- skin opposite face (opposite face with non-woven fabrics 31).

In the present embodiment, as shown in Figure 10, it is point-like (circular shape that multiple design elements 35, which are respectively formed as overlooking, Shape), penetrability sheet material 30 (indicator corresponding region 30A) is printed in regular pattern discrete shape.Multiple design elements 35 It is uniform in size.In the present embodiment, by multiple design elements 35 and their printed design formed without Printing Department 36 of encirclement Whole region throughout the non-skin opposite face (opposite face with non-woven fabrics 31) of penetrability sheet material 30 applies.Corresponded in indicator Region 30A and the part in addition in penetrability sheet material 30, printed patterns (above-mentioned printed design) phase of design element 35 Together.

As described above, in the present embodiment, the color after the discoloration of indicator 10 (after being contacted with moisture or body fluid) is Blueness, therefore, the multiple design elements 35 for being printed on penetrability sheet material 30 are respectively blueness or its similar color.Therefore, in this reality Apply in mode, the color of design element 35 has the relation of complementary color each other with the color (yellow) before the discoloration of indicator 10.

It is similar to the color of design element on the color after the discoloration of indicator in (the second invention) of the invention Property, as long as can be easily recognized out the similar degree of two colors for the observer with common notice.From making From the viewpoint of the discrimination of person improves, for the color of design element 35, as opinion scale, effectively L ﹡ C ﹡ h colors are empty Between, it can be provided by h values.Specifically, preferably by the color after the discoloration of indicator 10 and the h values of the color of design element 35 (Δ h) is set to 0 °~30 ° to the difference of the form and aspect angle of (directly measurement), is more preferably set to 0 °~20 °.By the way that above-mentioned Δ h is set to Above range so that the indicator 10 after discoloration is visually not easy to identify difference with design element 35, can make observer Feel that both have similar color.The measure of above-mentioned L ﹡ C ﹡ h can use simple type light splitting colour difference meter NF333 (Japan's electricity color industry The manufacture of (stock) company, trade name) measure.Determination condition and assay method are the ND110 sensors of φ 4mm can be used, with light Source C/2,2 ° of angle of visibility (average value of 3 measurements)) it is measured.As indicator 10, for example, bromocresol green is used as discoloration Material (pH indicator), if before discoloration display yellow carry show after color, discoloration it is blue carry color, then before can enumerating discoloration The value of L ﹡ C ﹡ h of yellow be (L ﹡ values：90.06th, C ﹡ values：28.23, h values：104.19 °), the blue L ﹡ C ﹡ h after discoloration It is worth for (L ﹡ values：74.13rd, C ﹡ values：9.39th, h values：175.93 °) material.

Like this, true qualities for white penetrability sheet material 30 indicator corresponding region 30A, with 1cm square just In the region of square configuration there are multiple modes print the color different from true qualities and with the color after the discoloration of indicator 10 (blueness) is mutually homochromy or similar color design element 35, with no printing as design element the diaper phase without decorative pattern Than, appearance is good, and as the " print of the color of indicator corresponding region 30A of the observer from external observation diaper 1C As ", the color of design element 35 is more obvious than true qualities, becomes the impression of substantially blue (color turned blue).Consequently, it is possible in yellow Indicator 10 a part and urine when body fluid contact and change colour au bleu when, as shown in Figure 10 (b), the blue discoloration portion 11 areas corresponding with the indicator of the impression of the color turned blue of the outer surface side (non-skin is with respect to surface side) in the covering discoloration portion 11 The contrast of domain 30A (penetrability sheet material 30) dies down, therefore, it is possible to give the straight of yellow of the observer just as extending in longitudinal Y Impression as a part (the discoloration portion 11) disappearance of the indicator 10 of wire, as a result, it is possible to effectively remind observer to note The replacement period of visual change, that is, diaper 1C of meaning indicator 10.

Especially, in the present embodiment, printed with regular pattern 35 discrete shape of design element, therefore give observer The impression of color of indicator corresponding region 30A easily become identical with the color of design element 35.Therefore, design element 35 Color (blueness) and indicator 10 discoloration before color (yellow) there is the relation of complementary color each other, in combination with this, Before the discoloration of indicator 10, the contrast of the indicator corresponding region 30A for the color turned blue and the indicator 10 of yellow it is relatively strong and Indicator 10 is easily identified, and after the discoloration of indicator 10, can leave disappearance sense of the observer to above-mentioned discoloration portion 11 Deep impression.Particularly in the present embodiment, comprising multiple design elements 35 and their printing without Printing Department 36 of encirclement The whole region for designing the non-skin opposite face (opposite face with non-woven fabrics 31) throughout penetrability sheet material 30 applies, therefore, more Effectively play above-mentioned action effect (lifting of the discrimination of the appearance of diaper 1C and the visual change of indicator 10).

However, the even if design element of indicator corresponding region 30A of the color of indicator 10 with covering its outer surface side 35 color is there are relation as described above, and according to the difference of the printed patterns of design element 35, also having fully to obtain The possibility of the visual disappearing effect in the discoloration portion 11 for the indicator 10 stated.Therefore, in the present embodiment, with such as lower section Formula sets the printed patterns of design element 35.I.e., as shown in figure 11, by multiple design elements in the 30A of indicator corresponding region Any 1 in 35 is set to particular design element 35a, and will be present in the position nearest apart from particular design element 35a 1 sets For closest to design element 35b, and draw one by particular design element 35a and closest to design element 35b it is respective in During the imaginary line L of the heart, in the length L1 and imaginary line L of the part overlapping with particular design element 35a in imaginary line L With the length L2 closest to the overlapping parts of design element 35b, respectively with imaginary line L with being specially designed element 35a is identical or longer than length L3 with the length L3 of the part overlapping without Printing Department 36 clipped closest to design element 35b.Separately Outside, according to the shape of design element (particular design element, closest to design element), its " feelings of " center " can not be tried to achieve by existing Condition, at this time, draws above-mentioned imaginary line in a manner of " center of gravity " by the design element.In the present embodiment, it is more The interval of a design element 35 is uniform, relative to particular design element 35a centrally located in Figure 11, surrounds particular design member 6 design elements of plain 35a can be used as closest to design element 35b.

On the other hand, with the overlap length L1 of design element 35 (particular design element 35a, closest to design element 35b) With L2 ratios during the length L3 overlapping with no Printing Department 36 short (L3 ＞ L1, L2), in indicator corresponding region 30A (penetrability sheet materials 30) in, the ratio shared by its true qualities (being white in present embodiment) becomes excessive, as a result, being urinated as from external observation " impression of the color of indicator corresponding region 30A " of the observer of cloth 1C, color (this embodiment party of this color ratio design element 35 It is blueness in formula) it is obvious, become the impression of substantially true qualities (color turned white).Consequently, it is possible to even if indicator 10 by with urine The contacts of the body fluid such as liquid and the au bleu that changes colour, the form and aspect in above-mentioned blue discoloration portion 11 (with reference to Figure 10 (b)) are also with covering the change The indicator corresponding region 30A (penetrability of the impression of the color turned white of the outer surface side (non-skin is with respect to surface side) in color portion 11 Sheet material 30) it is different, therefore, it is impossible to obtain the visual disappearing effect in above-mentioned discoloration portion 11, and it can not effectively remind sight The person of examining pays attention to the replacement period of diaper 1C.

From the viewpoint of above-mentioned action effect is more reliably played, each portion of the printed design in penetrability sheet material 30 Size divided etc. is preferably set as follows.

The diameter of the design element 35 for point-like (circular shape) is overlooked (equivalent to the length of length L1 and L2 in Figure 11 Degree) it is preferably more than 0.3mm, more preferably more than 0.5mm, also, it is preferred that be below 5mm, more preferably below 4mm, more It is preferably 0.8~3mm for body, more preferably 1~2mm.

The length L3 overlapping with no Printing Department 36 in imaginary line L is preferably more than 0.2mm (with reference to Figure 11), more preferably For more than 0.4mm, and preferably below 4.5mm, more preferably below 3.5mm, be preferably 0.5 more specifically~ 2.5mm, more preferably 0.8~1.5mm.

When length L1, L2 is longer than length L3 (L3 ＜ L1, L2), both ratios (L3/L1 or L3/L2) are preferably 0.2~ 0.9, more preferably 0.5~0.8.

It is present in the every single of the i.e. design element 35 of quantity of the design element 35 in the region of the square shape of 1cm square The quantity (printing density) of plane product is preferably more than 2, more preferably more than 5, also, it is preferred that for less than 100, it is more excellent Elect less than 50 as, be preferably 8~30 more specifically, more preferably 10~20.When the printing density of design element 35 When excessive, when from external observation diaper 1C, there is indicator 10 to be hidden in design element 35 and be difficult to the possibility distinguished, conversely , when printing density is too low, there is the visual disappearing effect in the discoloration portion 11 that can not fully obtain above-mentioned indicator 10 on ground Possibility.

In (the second invention) of the invention, the quantity (printing density) of the per unit area of design element 35 both can be saturating It is identical in the whole region of moist sheet material 30, can also be locally different.Especially, in penetrability sheet material as in the present embodiment 30 throughout veutro portion A, crotch B and drosal part C configure in the case of, veutro portion A and drosal part C are compared with crotch B, design element The quantity of 35 per unit area is more, and (that is, the quantity of the per unit area of design element 35 is than veutro portion A and the back of the body in crotch B Sidepiece C is few) when, since usual veutro portion A or drosal part C is to be easier compared with crotch B from the position of external observation, make Make a profound impression from the observer of external observation diaper 1C to the color (being blueness in present embodiment) of design element 35, energy Enough make the impression that observer leaves the impression of the color of the appearance of diaper 1C with the color of design element 35 is same color, its As a result, it is possible to fully obtain the visual disappearing effect in the discoloration portion 11 of above-mentioned indicator 10.

From the viewpoint of above-mentioned action effect is more reliably played, veutro portion A or drosal part C and setting in crotch B Count the ratio (number of veutro portion A or the per unit area of the design element 35 in drosal part C of the quantity of the per unit area of element 35 The quantity of the per unit area of design element 35 in amount/crotch B) it is preferably 1.1~2.5, more preferably 1.2~2.0.Separately Outside, in veutro portion A and drosal part C, the quantity of the per unit area of design element 35 both can be identical, also can be different.

As shown in figure 8, the outside of the horizontal X positioned at indicator 10 in the side edge part along longitudinal Y of diaper 1C Part, so as to being printed with and the color (present embodiment before the discoloration of indicator 10 from the mode that the outside of diaper 1C is seen In be yellow) be same color or similar color mark 15.Herein, the color before the discoloration of indicator 10 and the color of mark 15 Similitude, the color after discoloration with above-mentioned indicator 10 is identical with the similitude of the color of design element 35.Mark 15 Printed using ink with water resistance etc. so that it contacts also non-discolouring even if with moisture or body fluid.In present embodiment In, the color (yellow) of mark 15 has the relation of complementary color each other with the color (blueness) after the discoloration of indicator 10.

In the present embodiment, it is quadrangle form that mark 15, which is formed as overlooking, and the left and right of the diaper 1C in crotch B Both sides edge, more specifically, the left and right sides edge along longitudinal Y of penetrability sheet material 30 non-skin opposite face (with The opposite face of non-woven fabrics 31) it is printed with a pair.That is, mark 15 is printed on the printing with design element 35 in penetrability sheet material 30 The identical face in face.Pair of marks 15,15 is located at front and rear from the center of longitudinal Y of diaper 1C respectively on longitudinal Y of diaper 1C Position within 30mm.The bodies such as urine of the position of longitudinal Y of above-mentioned mark 15 with initially accepting wearer's excretion in diaper 1C The position of longitudinal Y at the position of liquid is roughly the same, is usually the position that indicator 10 initially changes colour.

Like this to the color (yellow) before the discoloration of indicator 10 for the mark 15 of same color or similar color so as to Mode externally visibly is printed on the outside (side edge part of diaper 1C) of the horizontal X of indicator 10, it indicates that one of agent 10 Point (part especially clipped by pair of marks 15,15) by with urine when the contact of body fluid and change colour au bleu when, pass through The blue discoloration portion 11 and the contrast of the mark 15,15 of a pair of of yellow in the outside of the horizontal X positioned at the discoloration portion 11, observation Person can more clearly identify the formation in discoloration portion 11, i.e., the visual disappearing effect in above-mentioned discoloration portion 11.Indicator The degree of the mutually homochromy or similar color between color and mark 15 before 10 discoloration can be sentenced with above-mentioned L ﹡ C ﹡ h color spaces It is disconnected, it can be provided by h values.Specifically, it is preferably that the h values of the color before the discoloration of indicator 10 and the color of mark 15 is (straight Connect measurement) the difference of form and aspect angle (Δ h) is set to 0 °~30 °, is more preferably set to 0 °~20 °.

More than, the present invention (the second invention) is illustrated, but (the second invention) of the invention is not restricted to above-mentioned reality Apply mode and being capable of appropriate make a change.For example, between back-sheet and absorber of the indicator configuration in crotch, its It is not limited to the above embodiment for configuration mode (quantity, plan view shape, position etc.).In addition, the shape of design element is not Point-like (circular shape) as embodiment described above is limited to, can be square shape, rectangular shape, diamond shape shape Shape, hexagonal shape, elliptical shape, star shapes etc. are variously-shaped.In addition, in the above-described embodiment, multiple design elements The all identical shapes of element, but variform a variety of design elements can also be mixed.

In addition, in the above-described embodiment, design element is printed on the non-skin opposite face of penetrability sheet material with mark (opposite face with non-woven fabrics), but skin opposite face (opposite face with absorber) can also be printed on, in addition, design element with Mark can not also be printed on the same face of penetrability sheet material.In addition, the absorbent commodity of of the invention (the second invention) and unlimited Flat type disposable diaper is formed on, includes being used for the article for absorbing the liquid from human body discharge extensively, also including pants type once Property diaper, physiology phase sanitary napkin, underpants for female used in menstrual period etc..

Part possessed by an only above-mentioned embodiment being capable of or respectively hair interior in each invention (the first and second inventions) Central bay suitably mutually utilizes.For the above embodiment, following absorbent commodity is further disclosed.

1 ＞ of ＜

A kind of absorbent commodity, its absorbent main body with lengthwise, the absorbent main body of the lengthwise include：Configuration is in flesh Face sheet of the skin with respect to surface side；Configure the back-sheet with respect to surface side in non-skin；And configuration is between the two sheets Absorber, and the absorbent main body of the lengthwise is divided into veutro portion, drosal part and crotch, in the absorbent main body, at this Between back-sheet and the absorber, the indicator of excretion situation is notified being longitudinally configured with the change that is coated with color Indicator the area of application, in the absorbent commodity,

Above-mentioned absorber includes absorbing polymeric and cellulose fibre,

Above-mentioned absorber includes：From above-mentioned veutro portion until lower floor's absorber of above-mentioned drosal part；With configuration in the lower floor On the skin opposite face of absorber from above-mentioned veutro portion until the upper strata absorber of above-mentioned crotch, overlook above-mentioned absorber When, which is divided into：The upper strata absorber main absorption region overlapping with lower floor's absorber；With the main absorption region Secondary absorption region in addition,

The grammes per square metre for belonging to the above-mentioned absorbing polymeric in the region of above-mentioned main absorption region in above-mentioned lower floor's absorber is more than category In the grammes per square metre of the above-mentioned absorbing polymeric in the region of above-mentioned secondary absorption region,

The grammes per square metre of the above-mentioned absorbing polymeric of above-mentioned upper strata absorber is less than the above-mentioned absorbing polymer of above-mentioned lower floor's absorber The grammes per square metre of thing, or above-mentioned upper strata absorber do not include above-mentioned absorbing polymeric,

When overlooking above-mentioned absorbent commodity, above-mentioned indicator the area of application configuration is in above-mentioned main absorption region, the indicator The end of longitudinal drosal part side of the area of application is configured near the end of longitudinal drosal part side of the main absorption region.

2 ＞ of ＜

The absorbent commodity that such as above-mentioned 1 ＞ of ＜ are recorded, wherein, longitudinal veutro portion side of above-mentioned indicator the area of application End is configured near the end of longitudinal veutro portion side of above-mentioned main absorption region.

3 ＞ of ＜

The absorbent commodity that such as above-mentioned 1 ＞ of ＜ or 2 ＞ of ＜ are recorded, wherein, longitudinal back of the body of above-mentioned indicator the area of application The end of lateral side, on the basis of the ora terminalis of the end of longitudinal drosal part side of above-mentioned main absorption region, positioned at the main absorption In the range of about 1/10th of longitudinal length in region.

4 ＞ of ＜

The absorbent commodity that such as any one of above-mentioned 3 ＞ of ＜ 1 ＞ to ＜ are recorded, wherein, above-mentioned indicator the area of application The end of the veutro portion side of longitudinal direction, on the basis of the ora terminalis of the end of longitudinal veutro portion side of above-mentioned main absorption region, is located at In the range of about 1/10th of longitudinal length of the main absorption region.

5 ＞ of ＜

The absorbent commodity that such as any one of above-mentioned 4 ＞ of ＜ 1 ＞ to ＜ are recorded, wherein, along above-mentioned indicator coating region The position of the center line in Longitudinal extending in domain, is configured with 1 finger longitudinal front and back end of above-mentioned upper strata absorber is intermarginal Show agent line, the both sides along longitudinal direction of 1 indicator line and the upper strata absorber both side edges it is each between, at this Longitudinal front and back end of upper strata absorber is intermarginal to be configured with the 2 indicator lines extended in longitudinal direction with the centerline parallel.

6 ＞ of ＜

The absorbent commodity that such as any one of above-mentioned 5 ＞ of ＜ 1 ＞ to ＜ are recorded, wherein, above-mentioned indicator the area of application exists The intermarginal configuration in longitudinal front and back end of above-mentioned upper strata absorber, the end of longitudinal drosal part side of the indicator the area of application are matched somebody with somebody It is set to the position consistency of the end of longitudinal drosal part side with the main absorption region, longitudinal abdomen of the indicator the area of application The end of lateral side is configured to the position consistency of the end of longitudinal veutro portion side with the main absorption region.

7 ＞ of ＜

The absorbent commodity that such as any one of above-mentioned 6 ＞ of ＜ 1 ＞ to ＜ are recorded, wherein, the fiber of above-mentioned upper strata absorber Cellulose fiber is the cellulose fibre after crosslinking.

8 ＞ of ＜

Such as the absorbent commodity that any one of above-mentioned 7 ＞ of ＜ 1 ＞ to ＜ are recorded, wherein, above-mentioned absorber with it is above-mentioned just The hydrophilic secondary layer of sheet material of work done during compression (being not easy to be compressed) lower than above-mentioned upper strata absorber is configured between facesheet.

9 ＞ of ＜

The absorbent commodity that such as above-mentioned 8 ＞ of ＜ are recorded, wherein, above-mentioned secondary layer of sheet material is rectangular shape when overlooking, configuration It is fixed on the skin opposite face of above-mentioned upper strata absorber of above-mentioned absorber, and only until crotch is matched somebody with somebody from veutro portion Put, be configured without in drosal part.

10 ＞ of ＜

The absorbent commodity that such as above-mentioned 8 ＞ of ＜ or 9 ＞ of ＜ are recorded, wherein, the grammes per square metre of above-mentioned secondary layer of sheet material is 10g/m²With Upper 100g/m²Below.

11 ＞ of ＜

The absorbent commodity that such as any one of above-mentioned 10 ＞ of ＜ 8 ＞ to ＜ are recorded, wherein, above-mentioned secondary layer of sheet material is with hydrophilic Property fiber be main body sheet material, and be the hydrophilic fibre content be more than 90 mass % sheet material, which is paper, nonwoven Any of cloth, screen cloth.

12 ＞ of ＜

The absorbent commodity that such as any one of above-mentioned 11 ＞ of ＜ 8 ＞ to ＜ are recorded, wherein, the work done during compression of above-mentioned secondary layer of sheet material For 50gcm/cm²Above 500gcm/cm²Hereinafter, it is preferably 100gcm/cm²Above 400gcm/cm²Below.

13 ＞ of ＜

Such as the absorbent commodity that any one of above-mentioned 12 ＞ of ＜ 1 ＞ to ＜ are recorded, wherein, above-mentioned lower floor's absorber by by Coating member coats lower floor's absorbent core and is formed,

The liquid permeability of above-mentioned coating member is less than the liquid permeability of above-mentioned upper strata absorber.

14 ＞ of ＜

The absorbent commodity that such as any one of above-mentioned 13 ＞ of ＜ 1 ＞ to ＜ are recorded, wherein, overlook above-mentioned absorbent commodity When, above-mentioned indicator the area of application is near the front and back end for longitudinally reaching above-mentioned upper strata absorber, in horizontal at least the area of application A part be applied to the both sides of above-mentioned upper strata absorber.

15 ＞ of ＜

The absorbent commodity that such as above-mentioned 14 ＞ of ＜ are recorded, wherein, in above-mentioned indicator the area of application, circular indicator exists Longitudinally left and right replaces and is coated at spaced intervals, is formed in the group of the indicator of Longitudinal extending, in the indicator the area of application, The position of the side of the circular indicator of width side and the side of the sidepiece along longitudinal direction of above-mentioned upper strata absorber The position consistency of edge, the position of the opposite side of the circular indicator of width opposite side and the upper strata absorber are along vertical To the other side lateral margin position consistency, the position of the front end of the circular indicator of most backrest lateral side and the upper strata The position consistency of the ora terminalis of the end of longitudinal drosal part side of absorber, most by veutro portion side circular indicator it is most lower The position at end and the position consistency of the ora terminalis of the end of longitudinal veutro portion side of the upper strata absorber.

16 ＞ of ＜

The absorbent commodity that such as above-mentioned 14 ＞ of ＜ are recorded, wherein, in above-mentioned indicator the area of application, absorbed on above-mentioned upper strata Cornerwise position of body is configured with the indicator with 2 lines, and above-mentioned indicator the area of application is to surround 2 indicator Region.

17 ＞ of ＜

The absorbent commodity that such as above-mentioned 14 ＞ of ＜ are recorded, wherein, in above-mentioned indicator the area of application, inhaled along above-mentioned upper strata The position of the both side edges of the both sides along longitudinal direction of acceptor and the position of the center line in Longitudinal extending of the upper strata absorber, match somebody with somebody 3 indicator lines in Longitudinal extending are equipped with, the scope for surrounding 3 indicator lines is above-mentioned indicator the area of application, this refers to Show in agent the area of application, the position of the position of the indicator line of side and the lateral margin of the sidepiece along longitudinal direction of the upper strata absorber Put consistent, the position one of the position of the indicator line of opposite side and the lateral margin of the other side along longitudinal direction of upper strata absorber Cause, moreover, in 3 indicator lines, the most position of the front end of backrest lateral side and longitudinal drosal part side of the upper strata absorber End ora terminalis position consistency, most by veutro portion side lower end position and the upper strata absorber longitudinal veutro portion side End ora terminalis position consistency.

18 ＞ of ＜

The absorbent commodity that such as any one of above-mentioned 17 ＞ of ＜ 1 ＞ to ＜ are recorded, wherein, above-mentioned upper strata absorber is only by upper Layer absorbent core is formed,

The grammes per square metre of above-mentioned upper strata absorbent core is 50g/m²Above 500g/m²Below.

19 ＞ of ＜

The absorbent commodity that such as any one of above-mentioned 18 ＞ of ＜ 1 ＞ to ＜ are recorded, wherein, above-mentioned lower floor's absorber uses 1 A coating member, the both sides for the coating member of turning back, so that the side edge part of the coating member is each other in the non-skin of lower floor's absorbent core Lower floor's absorbent core is coated with respect to surface side (back-sheet side) overlapping mode and is formed.

20 ＞ of ＜

The absorbent commodity that such as above-mentioned 19 ＞ of ＜ are recorded, wherein, the grammes per square metre of above-mentioned lower floor's absorbent core is 100g/m²More than 1000g/m²Hereinafter, the grammes per square metre of above-mentioned coating member is 3g/m²Above 20g/m²Below.

21 ＞ of ＜

The absorbent commodity that such as above-mentioned 19 ＞ of ＜ or 20 ＞ of ＜ are recorded, wherein, belonging in above-mentioned lower floor's absorbent core The grammes per square metre for stating the above-mentioned absorbing polymeric in the region of main absorption region is 50g/m²Above 500g/m²Hereinafter, it is preferably 100g/m² Above 400g/m²Hereinafter, gram of the above-mentioned cellulose fibre in the region for belonging to the main absorption region in lower floor's absorbent core It is 0g/m again²Above 300g/m²Hereinafter, it is preferably 0g/m²Above 200g/m²Below.

22 ＞ of ＜

The absorbent commodity that such as any one of above-mentioned 21 ＞ of ＜ 19 ＞ to ＜ are recorded, wherein, in above-mentioned lower floor's absorbent core The grammes per square metre of above-mentioned absorbing polymeric in the region for belonging to above-mentioned secondary absorption region be 20g/m²Above 400g/m²Hereinafter, it is preferably 50g/m²Above 300g/m²Hereinafter, the above-mentioned cellulose fibre in the region for belonging to this absorption region in lower floor's absorbent core Grammes per square metre be 0g/m²Above 250g/m²Hereinafter, it is preferably 0g/m²Above 200g/m²Below.

23 ＞ of ＜

The absorbent commodity that such as any one of above-mentioned 22 ＞ of ＜ 19 ＞ to ＜ are recorded, wherein, in above-mentioned lower floor's absorbent core The grammes per square metre of absorbing polymeric in the region for belonging to above-mentioned main absorption region inhale for more above-mentioned than belonging in lower floor's absorbent core time Receive the big 10g/m of grammes per square metre of the absorbing polymeric in the region in region²More than, preferably big 20g/m²More than.

24 ＞ of ＜

The absorbent commodity that such as any one of above-mentioned 23 ＞ of ＜ 1 ＞ to ＜ are recorded, wherein, included in above-mentioned absorber The water absorption of above-mentioned absorbing polymeric is more than 10g/g below 50g/g, is preferably more than 15g/g below 30g/g.

25 ＞ of ＜

The absorbent commodity that such as any one of above-mentioned 24 ＞ of ＜ 1 ＞ to ＜ are recorded, wherein, above-mentioned absorbing polymeric The lower uptake of 2.0kPa pressurizations is more than 10g/g below 50g/g, is preferably more than 15g/g below 30g/g.

26 ＞ of ＜

The absorbent commodity that such as any one of above-mentioned 25 ＞ of ＜ 1 ＞ to ＜ are recorded, wherein, above-mentioned absorbing polymeric The lower penetration by liquid speed of 2.0kPa pressurizations is more than 5ml/min below 150ml/min, is preferably more than 10ml/min 120ml/ Below min.

27 ＞ of ＜

The absorbent commodity that such as any one of above-mentioned 26 ＞ of ＜ 1 ＞ to ＜ are recorded, wherein, the foundation of above-mentioned absorbing polymeric The infiltration rate of DW methods measure is preferably 20ml/ (g10 below for 10ml/ (g10 points) above 100ml/ (g10 points) Point) above 70ml/ (g10 points) is below.

28 ＞ of ＜

The absorbent commodity that such as any one of above-mentioned 27 ＞ of ＜ 1 ＞ to ＜ are recorded, wherein, the foundation of above-mentioned absorbing polymeric The infiltration rate of DW methods measure is preferably more than 5ml/ (g1 points) below for 3ml/ (g1 points) above 30ml/ (g1 points) 20ml/ (g1 points) is below.

29 ＞ of ＜

The absorbent commodity that such as any one of above-mentioned 28 ＞ of ＜ 1 ＞ to ＜ are recorded, wherein, above-mentioned absorbing polymeric can be inhaled Receive keep own wt more than 20 times of liquid and can gelation, be its average grain diameter be less than more than 10 μm 1000 μm, Preferably less than more than 100 μm 800 μm of granular material, the shape of the particle is spherical, block, botryoidalis, bag-shaped Any of various shapes.

30 ＞ of ＜

The absorbent commodity that such as any one of above-mentioned 29 ＞ of ＜ 1 ＞ to ＜ are recorded, wherein, form above-mentioned lower floor's absorber It is more than 5 seconds slower than the penetration by liquid time of above-mentioned upper strata absorber of the penetration by liquid time of coating member, more than 8 seconds preferably slow.

31 ＞ of ＜

The absorbent commodity that such as any one of above-mentioned 30 ＞ of ＜ 1 ＞ to ＜ are recorded, wherein, form above-mentioned lower floor's absorber Coating member is hydrophilic sheet, as the hydrophilic sheet, uses the bag including water penetration thin paper (cotton paper), water penetration non-woven fabrics Chip material.

32 ＞ of ＜

The absorbent commodity that such as any one of above-mentioned 31 ＞ of ＜ 1 ＞ to ＜ are recorded, wherein, form above-mentioned upper strata absorber Upper strata absorbent core and the lower floor's absorbent core for forming above-mentioned lower floor's absorber are rectangular shapes, the longitudinal direction of the upper strata absorbent core Length it is shorter than longitudinal length of lower floor's absorbent core, and the length of the width of the upper strata absorbent core is than the lower floor The length of the width of absorbent core is short..

33 ＞ of ＜

The absorbent commodity that such as any one of above-mentioned 31 ＞ of ＜ 1 ＞ to ＜ are recorded, wherein, form above-mentioned upper strata absorber Upper strata absorbent core is rectangular shape, and the lower floor's absorbent core for forming above-mentioned lower floor's absorber is the shape to attenuate in crotch, should Longitudinal length of upper strata absorbent core is shorter than longitudinal length of lower floor's absorbent core, and the upper strata absorbability in crotch The length of the width of core and the equal length of the width of lower floor's absorbent core.

34 ＞ of ＜

The absorbent commodity that such as any one of above-mentioned 33 ＞ of ＜ 1 ＞ to ＜ are recorded, wherein, as above-mentioned face sheet, make With hydrophily and the non-woven fabrics of liquid permeability, as above-mentioned back-sheet, liquid impermeability or the resin of water-repellancy are used Film or the layered product of the resin film and non-woven fabrics.

35 ＞ of ＜

Such as the absorbent commodity that any one of above-mentioned 34 ＞ of ＜ 1 ＞ to ＜ are recorded, it includes absorber and configuration in the suction The non-skin of acceptor has corresponding to the in the front-back direction longitudinal and orthogonal with the longitudinal direction of wearer with respect to the back-sheet of surface side Transverse direction, the longitudinal direction have wear when configuration wearer veutro veutro portion, configure crotch part crotch and match somebody with somebody The drosal part in dorsal part is put, in the absorbent commodity,

Above-mentioned back-sheet has the lit-par-lit structure of penetrability sheet material and non-woven fabrics, the back-sheet in above-mentioned crotch Between above-mentioned absorber, it is configured with by the contact with moisture or body fluid the indicator that changes colour, before the discoloration of the indicator Color afterwards is different from the true qualities of the penetrability sheet material and the non-woven fabrics respectively,

Finger overlapping with above-mentioned indicator on the thickness direction of above-mentioned absorbent commodity in above-mentioned penetrability sheet material Show agent corresponding region, to the design element that the color after the discoloration of the indicator is mutually homochromy or similar color with 1cm square There are multiple modes in the region of square shape to print, multiple design elements be not carried out each printing without printing Portion surrounds,

Any 1 in multiple above-mentioned design elements in above-mentioned indicator corresponding region is set to particular design element, 1 design element that will be present in the position nearest apart from the particular design element is set to closest to design element, and draws one Bar by the particular design element and this closest to the respective center of design element imaginary line when, in the imaginary line with The lap with this closest to design element in the length L1 and the imaginary line of the lap of the particular design element Length L2, respectively with the imaginary line with by the particular design element and the above-mentioned nothing clipped closest to design element The length L3 of the lap of Printing Department is identical, or than length L3 long.

36 ＞ of ＜

The absorbent commodity that such as above-mentioned 35 ＞ of ＜ are recorded, wherein, printed with regular pattern the above-mentioned discrete shape of design element.

37 ＞ of ＜

If the absorbent commodity of above-mentioned 35 ＞ of ＜ or 36 ＞ of ＜ records is comprising multiple above-mentioned design elements and encirclement The printed design of the above-mentioned no Printing Department of the design element, is applied in the whole region of above-mentioned penetrability sheet material.

38 ＞ of ＜

The absorbent commodity that such as any one of above-mentioned 37 ＞ of ＜ 35 ＞ to ＜ are recorded, wherein, above-mentioned penetrability sheet material is upper State veutro portion, above-mentioned crotch and the configuration of above-mentioned drosal part, compared with the crotch, the above-mentioned design in the veutro portion and the drosal part The quantity of the per unit area of element is more.

39 ＞ of ＜

The absorbent commodity that such as any one of above-mentioned 38 ＞ of ＜ 35 ＞ to ＜ are recorded, wherein, above-mentioned absorber includes absorbing Property core and be respectively coated by the skin opposite face of the absorbent core and the cored sheet material of non-skin opposite face, the skin is with respect to surface side Cored sheet material is hydrophilic non-woven fabrics, which is hydrophobic non-woven fabrics with respect to the cored sheet material of surface side.

40 ＞ of ＜

The absorbent commodity that such as above-mentioned 39 ＞ of ＜ are recorded, wherein, above-mentioned cored sheet material includes：First cored sheet material, it is wrapped It is covered with the skin opposite face for stating absorbent core；With the second cored sheet material, it coats the non-skin opposite face of the absorbent core and volume Rise to the lateral margin along longitudinal direction of the skin opposite face,

Engaged between above-mentioned absorbent core and above-mentioned cored sheet material by hot melt adhesive.

41 ＞ of ＜

The absorbent commodity that such as any one of above-mentioned 40 ＞ of ＜ 35 ＞ to ＜ are recorded, wherein, above-mentioned absorbent commodity is exhibition Open form disposable diaper.

42 ＞ of ＜

The absorbent commodity that such as any one of above-mentioned 41 ＞ of ＜ 35 ＞ to ＜ are recorded, wherein, in above-mentioned absorbent commodity, on The both side edges along longitudinal direction for stating crotch bend to inside arc-shaped, and when overlooking, the central portion with longitudinal direction contracts inwardly Thin hourglass-shaped shape.

43 ＞ of ＜

The absorbent commodity that such as any one of above-mentioned 42 ＞ of ＜ 35 ＞ to ＜ are recorded, wherein, in indulging from above-mentioned absorber To front and rear ora terminalis the waist that anteroposterior direction extends it is each in, waist elastic members are fixed on elongation state is formed the waist Between the two sheets in portion,

From above-mentioned absorber along the left and right lateral margin of longitudinal direction the leg extended laterally it is each in, leg elastic portion Between part is fixed on the two sheets for being formed the leg with elongation state,

Three-dimensional shield is respectively arranged with the left and right sides along longitudinal direction of the face sheet side of above-mentioned absorbent commodity, is stood Body encirclement elastomeric element is fixed on the free end of the three-dimensional shield with elongation state, when wearing the absorbent commodity, by this The contraction of three-dimensional shield elastomeric element and form three-dimensional corrugation.

44 ＞ of ＜

Such as the absorbent commodity that any one of above-mentioned 43 ＞ of ＜ 35 ＞ to ＜ are recorded, wherein, above-mentioned drosal part along The both sides edge of longitudinal direction is provided with a pair of of pull stap, is provided with the pull stap and is formed by the sunny side component of mechanicalness face fastener Adhered portion,

Consolidated in the non-skin opposite face of above-mentioned veutro portion formed with what the back component by mechanicalness face fastener was formed Region, this is fixed on the non-skin phase of above-mentioned back-sheet by adhered region by the back component being engaged by attachment Opposite and formed, be detachably bonded to the above-mentioned adhered portion of above-mentioned pull stap.

45 ＞ of ＜

Such as the absorbent commodity that any one of above-mentioned 44 ＞ of ＜ 35 ＞ to ＜ are recorded, wherein, above-mentioned penetrability sheet material and upper The true qualities for stating non-woven fabrics are white, and the color after color and discoloration before the discoloration of above-mentioned indicator can pass through the above-mentioned back side Sheet material is seen, and can be seen from the outside of above-mentioned absorbent commodity.

46 ＞ of ＜

The absorbent commodity that such as any one of above-mentioned 45 ＞ of ＜ 35 ＞ to ＜ are recorded, wherein, above-mentioned indicator is before discoloration (before being contacted with moisture or body fluid) is yellow, is blueness after discoloration, and the color before and after the discoloration of the indicator has mends each other The relation of color.

47 ＞ of ＜

The absorbent commodity that such as any one of above-mentioned 46 ＞ of ＜ 35 ＞ to ＜ are recorded, wherein, in above-mentioned absorbent commodity Horizontal central portion is provided with 1 above-mentioned indicator with the linear shape in Longitudinal extending, and above-mentioned indicator is in above-mentioned crotch Longitudinal total length on formed, and extend to the part of above-mentioned veutro portion and the respective close crotch of above-mentioned drosal part,

Longitudinal length of above-mentioned indicator is 100~400mm, and horizontal length is 1~10mm.

48 ＞ of ＜

The absorbent commodity that such as any one of above-mentioned 47 ＞ of ＜ 35 ＞ to ＜ are recorded, wherein, above-mentioned indicator includes hydrophilic Property composition, the hydrophilic composition include by with contact with moisture and visually changed electrochromic substance and conduct The cementability material that bonding agent plays function, above-mentioned indicator as by the excretion situation of the body fluid of wearer except with notifying Beyond function to the indicator component of observer, also have as will be engaged between above-mentioned back-sheet and above-mentioned absorber The function of attachment.

49 ＞ of ＜

The absorbent commodity that such as above-mentioned 48 ＞ of ＜ are recorded, wherein, above-mentioned electrochromic substance is pH indicator, which exists Color changes before and after contact with urine, and changes colour when pH value is 3~7.

50 ＞ of ＜

The absorbent commodity that such as above-mentioned 49 ＞ of ＜ are recorded, wherein, above-mentioned pH indicator is from by bromophenol blue, methyl orange, madder More than a kind of the indicator selected in the group that plain S, bromocresol green, methyl red, bromocresol purple and resazurin are formed.

51 ＞ of ＜

Such as the absorbent commodity that any one of above-mentioned 50 ＞ of ＜ 48 ＞ to ＜ are recorded, wherein, above-mentioned cementability material be With contact with moisture before as the hydrophily for playing function the bonding agent engaged between above-mentioned back-sheet and above-mentioned absorber Polymer, the hydrophilic polymer are from by polyethylene glycol, polypropylene glycol, polyvinyl alcohol, polyamide and vinyl pyrrolidone More than a kind of the polymer selected in the group that homopolymer is formed.

52 ＞ of ＜

The absorbent commodity that such as any one of above-mentioned 51 ＞ of ＜ 35 ＞ to ＜ are recorded, wherein, multiple above-mentioned design elements point It is point-like (circle) not to be formed as overlooking, and is printed in above-mentioned penetrability sheet material, multiple design elements with regular pattern discrete shape Plain is uniform in size,

Printed design comprising multiple above-mentioned design elements and the above-mentioned no Printing Department for surrounding the design element, is applied in The whole region of the non-skin opposite face of above-mentioned penetrability sheet material,

Part in addition in above-mentioned indicator corresponding region and above-mentioned penetrability sheet material, above-mentioned design element Printed patterns (above-mentioned printed design) are identical.

53 ＞ of ＜

The absorbent commodity that such as any one of above-mentioned 52 ＞ of ＜ 35 ＞ to ＜ are recorded, wherein, it is printed in above-mentioned penetrability piece The color of multiple above-mentioned design elements of material has the relation of complementary color each other with the color before the discoloration of above-mentioned indicator.

54 ＞ of ＜

The absorbent commodity that such as any one of above-mentioned 53 ＞ of ＜ 35 ＞ to ＜ are recorded, wherein, before the discoloration of above-mentioned indicator Color afterwards has the relation of complementary color each other.

55 ＞ of ＜

The absorbent commodity that such as above-mentioned 53 ＞ of ＜ are recorded, wherein, it is printed in multiple above-mentioned designs of above-mentioned penetrability sheet material Element is respectively that blue or its similar color, the color before the discoloration of above-mentioned indicator are yellow.

56 ＞ of ＜

The absorbent commodity that such as any one of above-mentioned 55 ＞ of ＜ 35 ＞ to ＜ are recorded, wherein, after the discoloration of above-mentioned indicator The difference of form and aspect angle of h values (directly measuring) of color of color and above-mentioned design element (Δ h) is 0 °~30 °.

57 ＞ of ＜

The absorbent commodity that such as any one of above-mentioned 56 ＞ of ＜ 35 ＞ to ＜ are recorded, wherein, overlook as point-like (circle) Diameter L1, L2 of above-mentioned design element are preferably more than 0.3mm below 5mm, more preferably below 4mm,

The length L3 overlapping with above-mentioned no Printing Department in above-mentioned imaginary line is preferably more than 0.2mm below 4.5mm,

When above-mentioned diameter L1, L2 are than above-mentioned length L3 long (L3 ＜ L1, L2), both ratios (L3/L1 or L2) are 0.2~ 0.9。

58 ＞ of ＜

Such as the absorbent commodity that any one of above-mentioned 57 ＞ of ＜ 35 ＞ to ＜ are recorded, wherein, it is present in the pros of 1cm square The quantity (quantity (printing density) of the per unit area of above-mentioned design element) of above-mentioned design element in the region of shape shape It is less than more than 2 100.

59 ＞ of ＜

The absorbent commodity that such as any one of above-mentioned 58 ＞ of ＜ 35 ＞ to ＜ are recorded, wherein, above-mentioned veutro portion or the above-mentioned back of the body Sidepiece and the ratio (design element in veutro portion or drosal part of the quantity of the per unit area of the above-mentioned design element of above-mentioned crotch Per unit area quantity/crotch in design element per unit area quantity) be 1.1~2.5.

60 ＞ of ＜

The absorbent commodity that such as any one of above-mentioned 59 ＞ of ＜ 35 ＞ to ＜ are recorded, wherein, in above-mentioned absorbent commodity Along the part of the lateral outer side positioned at above-mentioned indicator in the side edge part of longitudinal direction, so as to from the outside of the absorbent commodity The mode seen is printed with mark of the color before the discoloration to the indicator for mutually homochromy or similar color.

61 ＞ of ＜

The absorbent commodity that such as above-mentioned 60 ＞ of ＜ are recorded, wherein, color and above-mentioned mark before the discoloration of above-mentioned indicator The difference of form and aspect angle of h values (directly measurement) of color (Δ h) is 0 °~30 °.

62 ＞ of ＜

The absorbent commodity that such as any one of above-mentioned 61 ＞ of ＜ 1 ＞ to ＜ are recorded, wherein, above-mentioned absorbent commodity is once Property diaper.

63 ＞ of ＜

The absorbent commodity that such as above-mentioned 62 ＞ of ＜ are recorded, wherein, above-mentioned disposable diaper is flat type disposable diaper, tool There are leg creases and three-dimensional corrugation.

Industrial utilizability

The absorbent commodity of (the first invention), indicator easily and accurately change colour according to the present invention, replace the accurate of period Property lifting.The accuracy in replacement period, therefore the absorbent commodity of (the first invention) according to the present invention are improved like this, will not The body fluid such as replacement period, urination is missed to be not easy to leak out from crotch.

(the second invention) according to the present invention, there is provided a kind of appearance is good and easily identifies indicator visually from outside Change absorbent commodity.

Claims

1. a kind of absorbent commodity, its absorbent main body with lengthwise, the absorbent main body of the lengthwise include：Configuration is in skin With respect to the face sheet of surface side；Configure the back-sheet with respect to surface side in non-skin；And configure the suction between the two sheets Acceptor, and the absorbent main body of the lengthwise is divided into veutro portion, drosal part and crotch, in the absorbent main body, in the back of the body Between facesheet and the absorber, the indicator of excretion situation is notified being longitudinally configured with the change that is coated with color Indicator the area of application, the absorbent commodity are characterized in that：

The absorber includes absorbing polymeric and cellulose fibre,

The absorber includes：From the veutro portion until lower floor's absorber of the drosal part；Absorbed with configuration in the lower floor On the skin opposite face of body from the veutro portion until the upper strata absorber of the crotch, should when overlooking the absorber Absorber is divided into：The upper strata absorber main absorption region overlapping with lower floor's absorber；Beyond the main absorption region Secondary absorption region,

The grammes per square metre for the absorbing polymeric for belonging to the region of the main absorption region in lower floor's absorber is more than and belongs to institute The grammes per square metre of the absorbing polymeric in the region of time absorption region is stated,

The grammes per square metre of the absorbing polymeric of the upper strata absorber is less than the absorbing polymeric of lower floor's absorber Grammes per square metre, or the upper strata absorber do not include the absorbing polymeric,

When overlooking the absorbent commodity, indicator the area of application configuration is in the main absorption region, indicator coating The end of longitudinal drosal part side in region is configured near the end of longitudinal drosal part side of the main absorption region.

2. absorbent commodity as claimed in claim 1, it is characterised in that：

The end of longitudinal drosal part side of described indicator the area of application, with longitudinal drosal part side of the main absorption region End ora terminalis on the basis of, in the range of 1/10th of longitudinal length of the main absorption region.

3. absorbent commodity as claimed in claim 1, it is characterised in that：

The end of longitudinal veutro portion side of described indicator the area of application, with longitudinal veutro portion side of the main absorption region End ora terminalis on the basis of, in the range of 1/10th of longitudinal length of the main absorption region.

4. such as absorbent commodity according to any one of claims 1 to 3, it is characterised in that：

Along the position of the center line in Longitudinal extending in described indicator the area of application, in the longitudinal direction of the upper strata absorber Front and back end it is intermarginal be configured with 1 indicator line, in the both sides along longitudinal direction of 1 indicator line and the upper strata absorber Both side edges it is each between, be configured with longitudinal direction and the centerline parallel longitudinal front and back end of the upper strata absorber is intermarginal 2 indicator lines of ground extension.

5. such as absorbent commodity according to any one of claims 1 to 3, it is characterised in that：

Described indicator the area of application is in the intermarginal configuration in longitudinal front and back end of the upper strata absorber, the indicator the area of application Longitudinal drosal part side end be configured to longitudinal drosal part side with the main absorption region end position consistency, should The end of longitudinal veutro portion side of indicator the area of application is configured to the end of longitudinal veutro portion side with the main absorption region The position consistency in portion.

6. such as absorbent commodity according to any one of claims 1 to 3, it is characterised in that：

Lower floor's absorber is formed by coating lower floor's absorbent core by coating member,

The liquid permeability of the coating member is less than the liquid permeability of the upper strata absorber.

7. such as absorbent commodity according to any one of claims 1 to 3, it is characterised in that：

When overlooking the absorbent commodity, described indicator the area of application is attached in the front and back end for longitudinally reaching the upper strata absorber Closely, the both sides of the upper strata absorber are applied in the part of laterally at least the area of application.

8. absorbent commodity as claimed in claim 7, it is characterised in that：

In described indicator the area of application, circular indicator is in longitudinal direction left and right alternating and is coated at spaced intervals, is formed in The group of the indicator of Longitudinal extending, in the indicator the area of application, the position of the side of the circular indicator of width side Put the position consistency with the lateral margin of the sidepiece along longitudinal direction of the upper strata absorber, the circular finger of width opposite side Show the position consistency of the lateral margin of the position of the opposite side of agent and the other side along longitudinal direction of the upper strata absorber, most by dorsal part The position of the front end of the circular indicator of portion side and the ora terminalis of the end of longitudinal drosal part side of the upper strata absorber Position consistency, most the lowermost position of circular indicator by veutro portion side and longitudinal veutro portion of the upper strata absorber The position consistency of the ora terminalis of the end of side.

9. absorbent commodity as claimed in claim 7, it is characterised in that：

In described indicator the area of application, the instruction with 2 lines is configured with cornerwise position of the upper strata absorber Agent, described indicator the area of application are the regions for surrounding 2 indicator.

10. absorbent commodity as claimed in claim 7, it is characterised in that：

In described indicator the area of application, along the position of the both side edges of the both sides along longitudinal direction of the upper strata absorber and it is somebody's turn to do The position of the center line in Longitudinal extending of upper strata absorber, is configured with 3 indicator lines in Longitudinal extending, and surrounding 3 should The scope of indicator line is described indicator the area of application, in the indicator the area of application, the position of the indicator line of side with The position consistency of the lateral margin of the sidepiece along longitudinal direction of the upper strata absorber, position and the upper strata of the indicator line of opposite side are inhaled The position consistency of the lateral margin of the other side along longitudinal direction of acceptor, moreover, in 3 indicator lines, before most backrest lateral side The position at end and the position consistency of the ora terminalis of the end of longitudinal drosal part side of the upper strata absorber, most by under veutro portion side The position at end and the position consistency of the ora terminalis of the end of longitudinal veutro portion side of the upper strata absorber.

11. absorbent commodity as claimed in claim 6, it is characterised in that：

Form penetration by liquid time slow 5 of the penetration by liquid time than the upper strata absorber of the coating member of lower floor's absorber More than second.

12. absorbent commodity as claimed in claim 6, it is characterised in that：

The coating member for forming lower floor's absorber is hydrophilic sheet, as the hydrophilic sheet, using thin including water penetration The cored sheet material of paper or water penetration non-woven fabrics.

13. such as absorbent commodity according to any one of claims 1 to 3, it is characterised in that：

The upper strata absorbent core for forming the upper strata absorber and the lower floor's absorbent core for forming lower floor's absorber are rectangles Shape, longitudinal length of the upper strata absorbent core is shorter than longitudinal length of lower floor's absorbent core, and the upper strata absorbability The length of the width of core is shorter than the length of the width of lower floor's absorbent core.

14. such as absorbent commodity according to any one of claims 1 to 3, it is characterised in that：

The upper strata absorbent core for forming the upper strata absorber is rectangular shape, forms lower floor's absorbability of lower floor's absorber Core is the shape to attenuate in crotch, the longitudinal length of longitudinal length of the upper strata absorbent core than lower floor's absorbent core It is short, and the length of the width of the upper strata absorbent core and the length phase of the width of lower floor's absorbent core in crotch Deng.

15. absorbent commodity as claimed in claim 1, it is characterised in that：

The back-sheet has the lit-par-lit structure of penetrability sheet material and non-woven fabrics, the back-sheet and institute in the crotch Between stating absorber, it is configured with by the contact with moisture or body fluid the indicator that changes colour, before and after the discoloration of the indicator Color is different from the true qualities of the penetrability sheet material and the non-woven fabrics respectively,

Indicator overlapping with the indicator on the thickness direction of the absorbent commodity in the penetrability sheet material Corresponding region, to the design element that the color after the discoloration of the indicator is mutually homochromy or similar color with the pros of 1cm square There are multiple modes in the region of shape shape to print, and multiple design elements are not carried out being wrapped without Printing Department for printing each Enclose,

Any 1 in multiple design elements in the indicator corresponding region is set to particular design element, will be deposited It is that 1 design element of the position nearest apart from the particular design element is set to closest to design element, and draws one and lead to Cross the particular design element and this closest to the respective center of design element imaginary line when, in the imaginary line with the spy Determine the length with this closest to the lap of design element in the length L1 and the imaginary line of the lap of design element Spend L2, respectively with the imaginary line with by the particular design element and the no printing clipped closest to design element The length L3 of the lap in portion is identical, or than length L3 long.

16. absorbent commodity as claimed in claim 15, it is characterised in that：

Printed with regular pattern the discrete shape of design element.

17. the absorbent commodity as described in claim 15 or 16, it is characterised in that：

Printed design comprising multiple design elements and the no Printing Department for surrounding the design element, is applied in described The whole region of penetrability sheet material.

18. the absorbent commodity as described in claim 15 or 16, it is characterised in that：

Penetrability sheet material configuration is in the veutro portion, the crotch and the drosal part, and positioned at the described of the crotch Moist sheet material is compared, the per unit face of the design element in the penetrability sheet material of the veutro portion and the drosal part Long-pending quantity is more.

19. the absorbent commodity as described in claim 15 or 16, it is characterised in that：

The absorber includes absorbent core and is respectively coated by the skin opposite face of the absorbent core and the bag of non-skin opposite face Chip material, the skin are hydrophilic non-woven fabrics with respect to the cored sheet material of surface side, which is with respect to the cored sheet material of surface side Hydrophobic non-woven fabrics.

20. absorbent commodity as claimed in claim 19, it is characterised in that：

The cored sheet material includes：First cored sheet material, it coats the skin opposite face of the absorbent core；With the second clad sheet Material, its lateral margin along longitudinal direction for coating the non-skin opposite face of the absorbent core and being rolled up to the skin opposite face,

Engaged between the absorbent core and the cored sheet material by hot melt adhesive.

21. the absorbent commodity as described in claim 15 or 16, it is characterised in that：

The true qualities of the penetrability sheet material and the non-woven fabrics are white, after the color and discoloration before the discoloration of the indicator Color can be seen through the back-sheet, can be seen from the outside of the absorbent commodity.

22. the absorbent commodity as described in claim 15 or 16, it is characterised in that：

The indicator is yellow before discoloration, is blueness after discoloration, and the color before and after the discoloration of the indicator has each other The relation of complementary color.

23. the absorbent commodity as described in claim 15 or 16, it is characterised in that：

1 instruction is provided with the linear shape in Longitudinal extending in the horizontal central portion of the absorbent commodity Agent, the indicator are formed in longitudinal total length of the crotch, and extend to the veutro portion and the drosal part is each From close to the crotch part,

Longitudinal length of the indicator is 100~400mm, and horizontal length is 1~10mm.

24. the absorbent commodity as described in claim 15 or 16, it is characterised in that：

The indicator includes hydrophilic composition, which is included by visually being sent out with contact with moisture The electrochromic substance for changing and the cementability material played function as bonding agent, the indicator with conduct except that will wear The excretion situation of the body fluid of person notifies beyond the function to the indicator component of observer also have and be used as the back-sheet The function of the attachment engaged between the absorber.

25. absorbent commodity as claimed in claim 24, it is characterised in that：

The electrochromic substance is pH indicator, which changes, and in pH value For 3~7 when change colour.

26. absorbent commodity as claimed in claim 25, it is characterised in that：

The pH indicator is from by bromophenol blue, methyl orange, alizarin S, bromocresol green, methyl red, bromocresol purple and resazurin structure Into group in more than a kind of indicator selecting.

27. absorbent commodity as claimed in claim 24, it is characterised in that：

The cementability material will be engaged with being used as before contact with moisture between the back-sheet and the absorber The hydrophilic polymer that bonding agent plays function, the hydrophilic polymer be from by polyethylene glycol, polypropylene glycol, polyvinyl alcohol, More than a kind of the polymer selected in the group that polyamide and Kollidone 90F are formed.

28. the absorbent commodity as described in claim 15 or 16, it is characterised in that：

It is point-like that multiple design elements, which are respectively formed as overlooking, is printed in the penetrability piece with regular pattern discrete shape Material, multiple design elements it is uniform in size,

Printed design comprising multiple design elements and the no Printing Department for surrounding the design element, is applied in described The whole region of the non-skin opposite face of penetrability sheet material,

Part in addition in the indicator corresponding region and the penetrability sheet material, the printing of the design element Pattern is identical.

29. the absorbent commodity as described in claim 15 or 16, it is characterised in that：

The color of multiple design elements and the color before the discoloration of the indicator for being printed in the penetrability sheet material have There is the relation of complementary color each other.

30. the absorbent commodity as described in claim 15 or 16, it is characterised in that：

Color before and after the discoloration of the indicator has the relation of complementary color each other.

31. absorbent commodity as claimed in claim 29, it is characterised in that：

It is printed in multiple design elements respectively blueness or its similar color of the penetrability sheet material, the change of the indicator Color before color is yellow.

32. the absorbent commodity as described in claim 15 or 16, it is characterised in that：

The difference of color and the form and aspect angle of the h values of the color of the design element after the discoloration of the indicator is 0 °~30 °.

33. the absorbent commodity as described in claim 15 or 16, it is characterised in that：

Diameter L1, the L2 for overlooking the design element for point-like are more than 0.3mm below 5mm,

The length L3 overlapping with the no Printing Department in the imaginary line is more than 0.2mm below 4.5mm,

When it is L3 ＜ L1, L3 ＜ L2 that described diameter L1, L2 are than the length L3 long, both ratio, that is, L3/L1 or L3/L2 are 0.2~0.9.

34. the absorbent commodity as described in claim 15 or 16, it is characterised in that：

The quantity for being present in the design element in the region of the square shape of 1cm square is less than more than 2 100.

35. the absorbent commodity as described in claim 15 or 16, it is characterised in that：

The veutro portion or the drosal part and the ratio of the quantity of the per unit area of the design element of the crotch, i.e. abdomen The quantity of the per unit area of design element in quantity/crotch of the per unit area of design element in sidepiece or drosal part It is 1.1~2.5.

36. the absorbent commodity as described in claim 15 or 16, it is characterised in that：

The part of the lateral outer side positioned at the indicator in the side edge part along longitudinal direction of the absorbent commodity, with energy It is mutually homochromy or similar to be enough printed with the color before the discoloration to the indicator from the mode that the outside of the absorbent commodity is seen The mark of color.

37. absorbent commodity as claimed in claim 36, it is characterised in that：

The difference of color and the form and aspect angle of the h values of the color of the mark before the discoloration of the indicator is 0 °~30 °.

38. such as absorbent commodity according to any one of claims 1 to 3, it is characterised in that：

The absorbent commodity is disposable diaper.

39. absorbent commodity as claimed in claim 38, it is characterised in that：

The disposable diaper is flat type disposable diaper, has leg creases and three-dimensional corrugation.