DE202011105054U1 - Disposable diaper - Google Patents

Abstract

Disposable diaper, in particular baby diaper or incontinence diaper, with a liquid-impermeable, flat back sheet, with a liquid-permeable, with the back sheet (9) at least partially connected, flat cover sheet (10), with a between the back sheet (9) and the Flat absorbent body (11) attached to the cover sheet (10), in any case arranged in the middle region of the diaper, and, preferably, with a flat transfer sheet (12) arranged between the absorbent body (11) and the cover sheet (10), the flat absorbent body (11) having a thin, flat, flexible superabsorbent material (13), which in turn consists of two wafer-thin flat fixing layers and absorbent granules inserted between or in them, characterized in that the superabsorbent material (13) is completely enclosed by a wafer-thin protective cover (14) in which the Superabsorbent material (13) is secured against lateral slipping, so that superabsorbent material (13) and the protective cover (14) form the flat absorbent body (11).

Description

The invention relates to a disposable diaper, in particular a baby diaper or an incontinence diaper, in both normal and as a diaper, with the features of the preamble of claim 1.

The known disposable diaper in the form of a baby diaper, from which the invention proceeds ( EP 0 836 461 B1 5), in the extended flat state in the longitudinal direction, shows a rear waist region, a front waist region and a crotch region therebetween, and a mid region in the transverse direction and nonelastic or elastic side regions left and right thereof in each waist region. Attached to the side panels are fastening tabs, which often have a coating of hook and loop material or adhesive material, for attachment to mounting surfaces on the associated opposite side portions for securing the diaper to the user's body.

In the present case, it is about the layer structure of such a disposable diaper. In the known diaper, from which the invention proceeds, one finds a liquid non-permeable, flat backsheet, which is possibly still covered on the outer surface of a fibrous nonwoven material to ensure the outside a pleasant grip of the material. Furthermore, one finds a liquid-permeable, with the backsheet at least partially connected, flat cover sheet. Between the backsheet and the cover sheet, a flat absorbent body is attached, which extends in any case in the middle region of the diaper, where mainly liquid is produced. Between the absorbent body and the cover sheet is still a sheet transfer sheet, which ensures the most even distribution of accumulating liquid in the absorbent body and at the same time forms a kind of backstop for already absorbed by the absorbent fluid.

The previously described layer structure of a disposable diaper has long been known. Essential for the performance of such a diaper is the design of the flat absorbent body. Here is a superabsorbent material has long been widespread. This is a copolymer of acrylic acid and other constituents, for example sodium acrylate, which is prepared in such a way that it leads to three-dimensional cores or grains, in short granules (see, for example, US Pat. US-A 4,808,637 ). This absorbent granules is arranged between wafer-thin, flat fixing layers, in particular made of pulp, but occasionally also of synthetic fibers. Thus, the absorbent granules sit in the material of the fixation layers. The addition of adhesive ensures that the absorbent granules are reasonably well secured against lateral displacement (see also FIG US 2008/0172017 A1 and US 2010/0022978 A1 ).

The superabsorbent material, if relatively thin, may be delivered to the roll. It can also be delivered in a folded cardboard folded (Festooningkarton), which is particularly recommended for thicker superabsorbent material.

The more adhesive that is processed, the worse the absorption capacity of the superabsorbent material. However, one must surely prevent the superabsorbent material from clumping up when taking in liquid and slipping sideways.

For a special superabsorbent material may also on the DE 10 2005 036 992 A1 be pointed out.

The invention is therefore based on the problem of further optimizing the known disposable diaper with regard to the intake of liquid.

The aforementioned problem is solved in the disposable diaper according to the invention with the features of the preamble of claim 1 by the features of the characterizing part of claim 1.

It is also provided in the disposable diaper according to the invention, that the flat absorbent body consists of a thin, flat, flexible superabsorber material, which in turn consists of two wafer-thin planar fixation layers, preferably of cellulose, and therebetween or incorporated therein absorbent granules. According to the invention, however, it is additionally provided that the superabsorber material is completely enclosed by a gossamer protective cover. This further complicates the lateral slippage of the superabsorbent material. In addition, this outer protective sheath holds the superabsorbent material together as a whole when it has absorbed liquid to a considerable extent, and prevents the absorbent granules swelling in gelatinous manner on liquid absorption from exiting laterally from the absorbent body. Thus, therefore, form the superabsorbent material and the protective cover here the flat absorbent body.

The term "absorbent granules" is intended to include all forms of such a superabsorbent material, whether it be a granular form in the strict sense or another pourable or otherwise loosely connected presentation form of the Superabsorbent material acts. Reference may be made to the introductory notes.

Preferred embodiments and further developments of the disposable diaper according to the invention are the subject matter of the subclaims.

In the following, the invention will be explained in more detail with reference to a drawing showing only preferred exemplary embodiments. In the drawing shows

1 in a perspective view a typical example of a disposable diaper,

2 the disposable diaper 1 in a spread, flat design state,

3 a first embodiment of a middle region of a diaper according to the invention in section ( 3a ) and in plan view ( 3b )

4 a second embodiment of a middle region of a diaper according to the invention in section ( 4a ) and in plan view ( 4b )

5 A third embodiment of a middle region of a diaper according to the invention in section ( 5a ) and in plan view ( 5b )

6 A fourth embodiment of a middle region of a diaper according to the invention in plan view ( 6a ) and in three embodiments in section ( 6b . 6c . 6d )

7 5 shows an embodiment of a middle region of a diaper according to the invention in section ( 7a ) and in plan view ( 7b )

8th further variants in the middle region of a diaper according to the invention in section ( 8a . 8b . 8c . 8d ).

1 and 2 show in perspective and in plan view in a spread, flat laid-out state, a disposable diaper, seen in the longitudinal direction, a rear waist region 1 , a front waist area 2 and a step area therebetween 3 , Seen in the transverse direction, this diaper shows a middle area 4 , a left wing 5 and a right wing 6 in each of the two waist areas 1 . 2 ,

At the back waist area 1 is located on each of the two side wings 5 . 6 a fastening strap 7 , on the side wings 5 . 6 in the front waist area 2 There are corresponding mounting surfaces 8th , One sees this interaction particularly well in 1 ,

In 1 you can see from the sequence of layers of disposable diaper, the liquid non-permeable, flat backsheet 9 , which consists of liquid-impermeable plastic material, such as PP film or PE film. However, the film of liquid-impermeable plastic material may nevertheless be breathable. Moreover, the flat backsheet 9 , as indicated, on the outside for reasons of pleasant handling nor with a fibrous nonwoven material, preferably of PP, be coated. Inside on the backsheet 9 is at least in the middle range 4 the diaper is a liquid-permeable cover sheet 10 , which is designed in the same way flat and at least in parts, especially at its edge, with the backsheet 9 connected is. Is in 1 and 2 indicated by the dashed line.

Indicated in 1 and 2 furthermore, that in the middle range 4 between the backsheet 9 and the cover sheet 10 a flat absorbent body 11 located. In 1 and 2 the absorbent is indicated by appropriate puncturing. Furthermore, it is indicated that between the absorbent body 11 and the cover sheet 10 another flat transfer sheet 12 located. That's through the honeycomb-shaped dots in 1 and 2 symbolizes. The transfer sheet 12 serves to optimize the absorption and Rücknässeverhalten the diaper, so on the one hand accumulating liquid laterally into the flat absorbent body 11 to distribute, on the other hand, to prevent the flat absorbent body 11 , absorbed liquid back towards the liquid-permeable cover sheet 10 can flow. The transfer sheet 12 So has a distribution function in one direction and a function similar to a check valve in the other direction. The use of a transfer sheet 12 is very convenient, but not mandatory for the inventive construction described here. For a cover sheet 10 With a relatively high basis weight one can also rely on the use of a transfer sheet 12 without.

Generally, the various layers of the disposable diaper are bonded together by thin applied adhesive, particularly hot melt adhesive which has been applied by stripping or spraying.

3 Now shows a first, illustrative embodiment of a disposable diaper according to the invention in the central region essential for the invention 4 the diaper. In the in 3a section shown below you can see the backsheet 9 , above the cover sheet 10 , below the cover sheet 10 the flat transfer sheet 12 , All this is shown only schematically. Furthermore, you can see the flat absorbent body 11 , Here is hinted that this flat absorbent body 11 consists of a thin, flat, flexible superabsorbent material. Such a superabsorbent material 13 in turn consists again of two wafer-thin, flat fixation layers, preferably of pulp, and absorbent granules or the like introduced therebetween or the like. For this superabsorbent material, the state of the art may be used US-A 4,808,637 be referenced, which makes more accurate information about such material. Absorbent granules here in the context of the present patent application means any type of pourable, granular absorbent, in particular suitably milled, three-dimensional pulp. In detail, reference may be made to the prior art mentioned above. We also point to the US 2009/0018517 A1 ,

In 3a is the exact design of the superabsorbent material 13 not shown. Here, however, it can be seen that in the flat absorbent body used according to the invention 11 the superabsorbent material 13 in turn, completely from a gossamer protective cover 14 is enclosed. The protective cover 14 supports the planar fixation of the superabsorbent material 13 of the absorbent body 11 , which should be secured by skillful arrangement and supported by adhesive against lateral slippage during fluid intake.

In 3b one recognizes the explained sequence of layers. The most relevant area for the liquid to be picked up is the transfer sheet 12 Are defined. The absorbent body 11 but extends below it, especially in the longitudinal direction. The present invention realized complete protective cover 14 hold the absorbent body 11 together and prevents in particular that the absorbent granules when receiving liquid in gelatinous form laterally, so the edge of the absorbent body 11 exit. The absorbed liquid in the absorbent remains where it belongs, namely in the absorbent body 11 ,

For the cover sheet 10 preferably give basis weights of 10 to 20 g / m ² , preferably about 15 g / m ^{2 of} a nonwoven, hydrophilic knit. The typical thickness of the cover sheet 10 is 50 to 200 μ, preferably in the range of about 100 μ.

For the exact configuration of the absorbent body 11 It is recommended according to preferred teaching that the absorbent body 11 has a thickness of 0.5 mm to 1.5 mm and a basis weight of 200 to 800 g / m ² . According to tests by the applicant, basis weights of from 200 to 500 g / m ² are of particular advantage. The superabsorbent material 13 has liquid intake values of 30 g / g up to 40 g / g, although future developments in this direction will continue even further and even higher values are to be expected. These values are always based on the dry starting weight of the superabsorbent material 13 ,

In the simplest version is the protective cover 14 of the absorbent body 11 simply made of hydrophilic or hydrophilic material. For the present invention realized protective cover 14 of the absorbent body 11 it is recommended that this is made in two parts with one to the backsheet 9 arranged surface of hydrophobic or hydrophobic-equipped material and one to the cover sheet 10 arranged surface of hydrophilic or hydrophilic material equipped. The to the back sheet 9 am directed part of the protective cover 14 should as possible prevent penetration of liquid to the outside. On the opposite side, on the other hand, there is the extra transfer sheet used for this purpose 12 ,

You can physically the two-part design by two, for example, sewn together, welded or otherwise firmly connected parts of the protective cover 14 realize. But you can also do that with a continuous, self-contained protective cover 14 realize, if you provide correspondingly different equipment of the corresponding surface areas.

According to a particularly preferred teaching of the invention, it is provided that the protective cover 14 from a spunbonded nonwoven made of PP, preferably with a basis weight of 5 to 20 g / m ² , in particular of about 10 g / m ² , which, preferably, on the backsheet 9 arranged surface is hydrophobic equipped.

The preferred thickness of the protective cover 14 is 50 to 200 μ, preferably about 100 μ.

According to a further preferred teaching of the invention, it can be provided that the superabsorbent material 13 in the protective cover 14 is secured by stitching according to a dot pattern and / or line pattern against lateral relative displacement. Such stitching, as used for example in the embodiment of 4 through quilting 15 is indicated, divided the whole sheet of the absorbent body 11 in small sections similar to a quilt. So only small areas of superabsorbent material can 13 slip, that is over the entire surface of the absorbent body 11 barely noticeable. Through the quilts 15 , Quilting lines or the like, it is possible to greatly reduce the use of adhesive in the production of the superabsorbent material, which improves the ability of the absorbent granules to absorb liquid. Of particular advantage is, given the quilting an addition of adhesive in the superabsorbent material 13 completely omitted.

The quilting of the superabsorbent material 13 in the protective cover 14 can be realized in the run on the diaper manufacturing machine.

For quilting all manufacturing possibilities are suitable, in particular a point-shaped or linear sewing. Particularly interesting, however, is an ultrasonic welding at the stitching points 15 or the quilting lines.

One recognizes in 4a and b the large-area, uniform arrangement of both the transfer sheet 12 as well as the absorbent body 11 ,

In 6 one recognizes another, likewise special embodiment of the diaper according to the invention. Here is provided a gradient in the absorption capacity of the absorbent body 11 So to realize different fluid absorption capabilities in different sections. Is in 6a already indicated and in 6b to recognize c, d in more detail.

Specifically, it is provided here that according to the different liquid accumulation over the surface of the absorbent body 11 seen different superabsorbent materials 13 are arranged or the superabsorber material 13 partially single-layer, partially arranged in several layers.

One recognizes in 6a a first superabsorbent material 13 that the entire surface of the absorbent body 11 essentially executes. Applied to it is a second layer of another superabsorber material 13 ' that has a different fluid intake value.

In 6b one sees a two-layer design of the superabsorbent material 13 , below the big layer of superabsorbent material 13 , above a second layer of the same superabsorbent material 13 ,

In 6c you can see on average the in 6a illustrated variant with the lower large superabsorbent material 13 and then the one with a smaller area in the middle area 4 concentrated other, but different superabsorbent material 13 ,

In 6d the desired position-dependent different absorption capacity for liquid is realized in that the per se superabsorbent material 13 has been folded twice, so that there is a three-layer design in the central region. The folding has been indicated by the arcuate arrows.

For the invention, it is of considerable advantage if the absorbent body 11 only one, all superabsorbent materials 13 an outer enclosing protective cover 14 having. So one has so outwardly uniform from the protective cover 14 defined absorbent body 11 , but in it a multilayer, superabsorbent material designed according to stress 13 ,

Another alternative in this regard is also in the superabsorbent material 13 at the top of a layer 13 '' of superabsorbent material or arrange whose liquid uptake rate (measured in g / m ² · s) is considerably greater than the liquid absorption rate of the superabsorbent material 13 underneath (see 8a ). Such a "department" may account for 10% to 40% of the total superabsorbent material 13 represent. Regularly, the basis weight is then significantly lower than in the larger part of the superabsorbent material 13 ,

The aforementioned measure serves to improve the liquid absorption rate.

The maximum absorbency of the absorbent body 11 The diaper is often not the biggest problem. It is essential that the speed at which the liquid is taken up is also high enough so that no liquid leaks out of the diaper in the current use case.

With the lower density of the superabsorbent material in the upper layer 13 '' a higher capillarity is achieved with a correspondingly higher liquid uptake rate.

The additional upper layer 13 '' can also serve as a polyvinyl acetate nonwoven layer the function of a fast liquid storage. Polyvinyl acetate (PVA) quickly binds water and can absorb a rush of urine quickly before the urine is distributed deeper into the diaper and slowly bound there by the superabsorbent material. According to the in 8a illustrated embodiment is the polyvinyl acetate nonwoven layer 13 '' as topmost layer in superabsorbent material 13 ,

5 shows an embodiment of a diaper according to the invention, which is designed in other ways in a special way. The starting point is a construction of the diaper in the middle area 4 that are similar 3 is. Here is a modification of the transfer sheet 12 intended. Widespread is a transfer sheet 12 made of nonwoven material. Frequently used is a so-called hi-loft fleece. This is one of polyester fibers and / or two-component fibers (polyester fiber with a slightly melting polyethylene outer layer) in the hot air stream Knitted fabric having a weight between 30 and 200 g / m ² . In the case provided here, modified transfer sheet 12 On the other hand, it is provided that the flat transfer sheet 12 is designed as a three-dimensionally shaped, perforated PP or PE film. In 5b this is in a special way through the cups 12 ' indicated by the three-dimensional shape of the embodiment of the transfer sheet shown here 12 is realized. The orientation of the wells 12 ' towards the top in the direction of the cover sheet 10 leads to a softer appearance of the surface in this area.

This in 7 shown further preferred embodiment of a diaper according to the invention is further characterized in that in the absorbent body 11 between the superabsorbent material 13 and the protective cover 14 a superabsorbent material acting as a lateral fluid distribution agent 13 for the most part covering, thin distribution sheet 16 is arranged.

Surprisingly, it has been found that this additional distribution layer in the form of the thin distribution sheet 16 directly on the superabsorbent material 13 inside the protective cover 14 of the absorbent body 11 is arranged, the resulting liquid in the longitudinal direction of the absorbent body 11 better distributed, namely in those areas that are not directly hit in case of fluid attack. Thus, up to 100% of the superabsorbent material 13 in the absorbent body 11 be used for fluid intake. Presumably this is due to capillary forces in the thin layer of the distribution sheet 16 occur. It is also possible that such a continuous lateral distribution layer is in capillary forces in the gap between the distribution sheet 16 and the protective cover 14 makes noticeable.

Particularly preferred is an embodiment of the thin distribution sheet 16 of nonwoven material, preferably of airlaid cellulosic fibrous material, this preferably having a basis weight of 90 to 170 g / m ² , or of a hydrophilic PP spunbonded nonwoven material. Also suitable perforated PE films with appropriate basis weight in question.

It is preferred that the distribution sheet 16 a thickness of 0.5 mm to 1.5 mm, preferably of about 1.0 mm.

The thin spread sheet 16 does not necessarily have the entire longitudinal extent of the superabsorbent material 13 cover. If you want to save some costs for reasons of production costs, so you can also a slightly shorter dimension of the distribution sheet 16 choose. However, it is appropriate that the distribution sheet 16 the superabsorbent material 13 in the longitudinal direction covers at least 50%, preferably at least 70%. Is the spreadsheet 16 not over the full length of the superabsorbent material 13 provided, it is recommended that the distribution sheet 16 based on the longitudinal extent of the superabsorber material 13 in the absorbent body 11 is arranged substantially in the middle.

The from the distribution sheet 16 In the longitudinal direction to be generated capillary forces are further increased by the fact that the distribution sheet 16 with in the longitudinal direction of the flat absorbent body 11 running longitudinal ribs or grooves provided, in particular embossed. With regard to the above-mentioned preferred thicknesses of the distribution sheet 16 In this context, it is recommended that the thickness of the distribution sheet 16 as the gross thickness including the longitudinal ribs or grooves.

In a similar way as in the longitudinal direction, one can see the dimensions of the distribution sheet 16 also in the transverse direction, depending on the requirements and taking into account the manufacturing cost differently. The spreadsheet 16 should, however, also in the transverse direction at least 50% of the superabsorber material 13 cover. The cover can also be up to 100% in the width direction or even slightly beyond, if that is inside the protective cover 14 still fits. Incidentally, it is also true in the transverse direction that center alignment is preferred.

Overall, the known in the art distribution layer, which is commonly referred to as "absorption distribution layer", according to the invention split into two layers, namely the rather dry surface transfer sheet 12 and the liquid-conducting distribution layer of the thin distribution sheet 16 within the absorbent body 11 , Especially if one considers the previously described, three-dimensionally shaped, perforated PP or PE films as a flat transfer sheet 12 used, the division of the invention can be optimally realized. This is realized that the sheet transfer sheet 12 as essentially dry, only a distance between the flat cover sheet 10 and the absorbent core underneath 11 ensuring intermediate layer is executed. In contrast, has the thin distribution sheet 16 then the lateral distribution function for the liquid inside the absorbent body 11 accepted.

The graphic representation in 7 may also be used with respect to the distribution sheet for another equipment variant of the diaper according to the invention. In this equipment variant, the distribution sheet has the function rather to improve the speed of absorption of liquid. In this case, it is intended that the distribution sheet one on the superabsorbent material 13 arranged additional layer 16 ' of a superabsorbent material or of a mixture of superabsorbent material and conventional ground cellulose having a liquid uptake rate (g / m ^2. s) that is significantly greater than the liquid uptake rate of the superabsorbent material 13 , This shows again 8b ,

In the first variant, the lower density and higher capillarity of the additional layer results 16 Made of superabsorbent material in the form of the appropriately designed distribution sheet that the accumulating liquid is quickly stored temporarily and distributed in the area. It can then slowly from there into the main part of the superabsorbent material 13 be transferred, which has a much higher fluid absorption capacity. For the basis weight of such an additional layer 16 ' from superabsorbent material is recommended a range of preferably 50 to 300 g / m ² , with a particularly interesting value is about 100 g / m ² .

The second variant of the special design of the distribution sheet in this embodiment is an additional layer 16 ' from a mixture of classical ground pulp with a proportion of superabsorbent material. Essentially the same considerations apply as with the additional situation explained above. This pulp layer also essentially serves as a quick fluid buffer.

At the additional position 16 ' , which serves as a quick fluid buffer, it may possibly also be an intermediate layer of polyvinyl acetate nonwoven. In that regard, we can refer to the preceding comments on these material properties.

Also interesting is a combination of spreadsheets 16 . 16 ' be different configuration, suitably so an upper distribution sheet 16 for lateral liquid distribution and a further distribution sheet underneath (additional layer) 16 ' as a fast-acting liquid buffer.

In principle, it is expedient that the flat transfer sheet 12 as essentially dry, only a distance between the flat cover sheet 10 and the absorbent core underneath 11 ensuring intermediate layer is executed.

You can the plane transfer sheet 12 but also give a second function by using this two-dimensional transfer sheet 12 a second, thin, sheet transfer sheet 12 '' and assign this directly under the transfer sheet 12 orders (see 8c ). The second, thin, flat transfer sheet 12 '' can be made from mercerized pulp material. It is preferably an airlaid material of mercerized pulp. Mercerized pulp has hydrophobic properties. A storage in such a location 12 '' takes place only temporarily, then the penetrating liquid to the actual superabsorbent material 13 submitted underneath. A basis weight between 100 and 250 g / m ² is preferred.

The two transfer sheets 12 . 12 '' can also be used as a double layer, laminated as it were.

Also the second, thin transfer sheet 12 '' can be optimized as a fast fluid buffer to also use a polyvinyl acetate nonwoven (PVA) at this point.

Overall, the aforementioned equipment of the second transfer sheet serve 12 '' to increase the liquid uptake rate to minimize leakage of the diaper.

8d finally reveals another variant of the diaper according to the invention. This is characterized in that in the absorbent body 11 down between the superabsorbent material 13 and the protective cover 14 a superabsorbent material acting as a fast fluid storage and lateral fluid distribution means 13 for the most part from the bottom covering, thin sub-distribution sheet 17 is arranged. This layer, designed as a quick liquid buffer (see the above examples of suitable materials), is the sub-distribution sheet 17 , should absorb "penetrating" fluid quickly and across the surface of the absorbent body 11 Distribute from below so that the liquid does not break through to the outside. The sub-distribution sheet 17 is due to the action of the superabsorbent material 13 dried again after the rapid absorption of liquid and is then ready for the next liquid entry.

In terms of production, it is particularly expedient to use the flat superabsorber material 13 can buy as roll goods. The material is thus removed from the roll and with the protective cover 14 surround. It is then cut to length and closed at the front and can then be processed flat. The stitching, which is provided according to preferred teaching of the invention, can be applied directly to the manufacturing machine for the finished diaper in a later operation.

QUOTES INCLUDE IN THE DESCRIPTION

This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Cited patent literature

• EP 0836461 B1 [0002]
• US 4808637A [0004, 0027]
• US 2008/0172017 A1 [0004]
• US 201010022978 A1 [0004]
• DE 102005036992 A1 [0007]
• US 2009/0018517 A1 [0027]

Claims (27)

Disposable diaper, in particular baby diaper or incontinence diaper, with a non-liquid, flat backsheet, with a fluid-permeable, with the backsheet ( 9 ) at least partially connected, flat cover sheet ( 10 ), with one between the backsheet ( 9 ) and the cover sheet ( 10 ), at least in the middle region of the diaper arranged flat absorbent body ( 11 ) and, preferably, with a between the absorbent body ( 11 ) and the cover sheet ( 10 ) arranged sheet transfer sheet ( 12 ), wherein the flat absorbent body ( 11 ) a thin, flat, flexible superabsorbent material ( 13 ), which in turn consists of two wafer-thin planar fixing layers and absorbent granules introduced therebetween or therein, characterized in that the superabsorbent material ( 13 ) complete with a wafer-thin protective cover ( 14 ), in which the superabsorbent material ( 13 ) is secured against lateral slippage, so that superabsorbent material ( 13 ) and the protective cover ( 14 ) the flat absorbent body ( 11 ) form. Diaper according to claim 1, characterized in that the superabsorbent material ( 13 ) of the absorbent body ( 11 ) has a thickness of 0.5 mm to 1.5 mm and a basis weight of 200 to 800 g / m ² . Diaper according to claim 1 or 2, characterized in that the protective cover ( 14 ) of the absorbent body ( 11 ) is made in two parts with one to the backsheet ( 9 ) arranged surface made of hydrophobic or hydrophobic-equipped material and one to the cover sheet ( 10 ) arranged surface of hydrophilic or hydrophilic material equipped. Diaper according to one of claims 1 to 3, characterized in that the protective cover ( 14 ) consists of a spunbonded nonwoven made of PP, preferably with a basis weight of 5 to 20 g / m ² , in particular of about 10 g / m ² , which, preferably, on the backsheet ( 9 ) surface is hydrophobic equipped. Diaper according to one of claims 1 to 4, characterized in that the superabsorbent material ( 13 ) in the protective cover ( 14 ) is secured by stitching according to a dot pattern and / or line pattern against lateral relative displacement. Diaper according to one of claims 1 to 5, characterized in that according to the different liquid accumulation over the surface of the absorbent body ( 11 ), over the surface of the absorbent body ( 11 ) seen different superabsorbent materials ( 13 ) and / or that the superabsorbent material ( 13 ) is partially single-layered, partially arranged in several layers. Diaper according to one of claims 1 to 6, characterized in that in the superabsorbent material ( 13 ) on its upper side a layer ( 13 '' Superabsorbent material is at a liquid uptake rate (g / m ² · s), which is considerably greater than the liquid absorption rate of the superabsorbent material ( 13 ) underneath. Diaper according to one of claims 1 to 6, characterized in that in the superabsorbent material ( 13 ) on its upper side a layer ( 13 '' ) of a polyvinyl acetate nonwoven located at a liquid uptake rate (g / m ² · s) that is significantly greater than the liquid uptake rate of the superabsorbent material ( 13 ) underneath. Diaper according to one of claims 6 to 8, characterized in that the absorbent body ( 11 ) only one, all superabsorbent materials ( 13 ) outer enclosing protective cover ( 14 ) having. Diaper according to one of claims 1 to, characterized in that the flat transfer sheet ( 12 ) is designed as a nonwoven layer or, preferably, as a three-dimensionally shaped, perforated PP or PE film. Diaper according to claim 10, characterized in that the three-dimensionally shaped, perforated PP or PE film has a thickness of about 1.0 to 2.0 mm and a basis weight of about 30 to 100 g / m ² . Diaper according to claim 10 or 11, characterized in that the three-dimensionally shaped, perforated PP or PE film with the concave side of the three-dimensional shapes to the cover sheet ( 10 ) is arranged. Diaper according to one of claims 1 to 12, characterized in that in the absorbent body ( 11 ) at the top between the superabsorbent material ( 13 ) and the protective cover ( 14 ) acting as a lateral liquid distribution agent, the superabsorbent material ( 13 ) largely covering, thin distribution sheet ( 16 ) is arranged. Diaper according to claim 13, characterized in that the distribution sheet ( 16 ) of nonwoven material, preferably of airlaid cellulose fiber material, this preferably having a basis weight of 90 to 170 g / m ² , or of a hydrophilic PP spunbond nonwoven material. Diaper according to claim 13 or 14, characterized in that the distribution sheet ( 16 ) has a thickness of 0.5 mm to 1.5 mm, preferably of about 1.0 mm. Diaper according to one of claims 13 to 15, characterized in that the distribution sheet ( 16 ) the superabsorbent material ( 13 ) in the longitudinal direction at least 50%, preferably at least 70% covering. Diaper according to claim 16, characterized in that the distribution sheet ( 16 ) based on the longitudinal extent of the superabsorbent material ( 13 ) in the absorbent body ( 11 ) is arranged substantially in the middle. Diaper according to one of claims 13 to 17, characterized in that the distribution sheet ( 16 ) the superabsorbent material ( 13 ) in the transverse direction at least 50%, preferably at least 70%, possibly even more than 100% covers. Diaper according to claim 18, characterized in that the distribution sheet ( 16 ) based on the transverse extent of the superabsorbent material ( 13 ) in the absorbent body ( 11 ) is arranged substantially in the middle. Diaper according to one of claims 13 to 19, characterized in that the distribution sheet ( 16 ) in the longitudinal direction of the flat absorbent body ( 11 ) extending longitudinal rib rudder or grooves provided, in particular embossed. Diaper according to claims 15 and 20, characterized in that the thickness of the distribution sheet ( 16 ) results in gross thickness including the longitudinal ribs or grooves. Diaper according to claim 13 and optionally one or more of claims 14 to 21, characterized in that the distribution sheet comprises a layer on the superabsorbent material ( 13 ) additional layer ( 16 ' ) of a superabsorbent material or a mixture of superabsorbent material and conventional ground cellulose or of a polyvinyl acetate nonwoven having a liquid uptake rate (g / m ² · s) which is considerably greater than the liquid uptake rate of the superabsorbent material ( 13 ) underneath. Diaper according to claim 22, characterized in that the material of the additional layer ( 16 ' ) has a weight per unit area of 50 to 300 g / m ² , preferably of about 100 g / m ² . Diaper according to one of claims 1 to 23, characterized in that the flat transfer sheet ( 12 ) as essentially dry, only a distance between the flat cover sheet ( 10 ) and the absorbent core ( 11 ) ensuring intermediate layer is executed. Diaper according to one of claims 1 to 24, characterized in that directly under the sheet transfer sheet ( 12 ) a second, thin, flat transfer sheet ( 12 ' ) of mercerized pulp material or of a polyvinyl acetate nonwoven. Diaper according to claim 25, characterized in that the material of the second transfer sheet ( 12 '' ) has a basis weight of 100 to 250 g / m ² . Diaper according to one of claims 1 to 26, characterized in that in the absorbent body ( 11 ) below between the superabsorbent material ( 13 ) and the protective cover ( 14 ) acting as a fast liquid storage and as a lateral liquid distribution means, the superabsorbent material ( 13 ) for the most part from below covering, thin sub-distribution sheet ( 17 ) is arranged.

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