CN214104886U

CN214104886U - Paper diaper

Info

Publication number: CN214104886U
Application number: CN202020985559.5U
Authority: CN
Inventors: 王胜地
Original assignee: Beijing Purism Technology Co ltd
Current assignee: Beijing Purism Technology Co ltd
Priority date: 2020-06-02
Filing date: 2020-06-02
Publication date: 2021-09-03
Anticipated expiration: 2030-06-02

Abstract

The utility model relates to a panty-shape diapers (1), including trousers body part and absorption part, the absorption part includes upper epidermis (10), lower epidermis (11) and cladding core (20) between upper epidermis (10) and lower epidermis (11), its characterized in that, core (20) are formed by the multilayer core is folding, and core (20) form vertical central authorities recess (30) in the one side that borders on with lower epidermis (11). The recess that forms after the core is folded provides the drain passageway for panty-shape diapers, makes the urine water conservancy diversion reach panty-shape diapers both sides fast, can effectively improve the utilization ratio of polymer.

Description

Paper diaper

Technical Field

The utility model relates to a paper diaper belongs to infant health care articles for use field, especially relates to a paper diaper with high absorption performance absorbs core.

Background

The paper diaper is a disposable sanitary article formed by combining non-woven fabrics and an absorption core body and is mainly used for absorbing excrement such as urine. The urine absorbing part of the paper diaper is an absorbing core body, and the absorbing core body is one of important components for manufacturing disposable sanitary products such as the paper diaper, a sanitary towel, a protection pad and the like. The paper diaper cores in different regions of the world are designed differently and mainly comprise fluff pulp cores and composite cores.

In the prior art, a diaper comprises a pant body and an absorbing part, wherein the absorbing part comprises an upper surface layer, a lower surface layer and an absorbing core body arranged between the upper surface layer and the lower surface layer, and the absorbing core body is usually arranged between the upper surface layer and the lower surface layer after a multi-layer core body is cut into a certain shape.

Fluff pulp cores are composed of superabsorbent polymer (SAP) particles dispersed in fluff pulp fibers, and are commonly used in european and american countries, where the presence of fluff pulp provides a temporary liquid storage space for diapers, which facilitates rapid liquid absorption. However, the core is very easy to agglomerate, break or roll up during the use process.

The composite core body is also called a full core body, is a core body structure commonly applied to domestic paper diapers at present, and mainly comprises non-woven fabrics, super absorbent resin and fluffy cotton. Super Absorbent Polymer (SAP) is a water absorbent material commonly used in the current paper diaper, which can rapidly absorb and retain a large amount of liquid even under a certain pressure. When the SAP encounters water, it expands in volume to form a gel-like mass. The formation of gel hinders the diffusion of liquid in all directions, affecting the liquid infiltration, a phenomenon known as gel blocking. Once the SAP in the diaper has a gel blocking phenomenon, the liquid in the diaper is not sufficiently diffused, the infiltration speed of urine is affected, the probability of leakage is high during night use, and skin erythema may be caused. Due to the gel blocking phenomenon of the high polymer, the utilization rate of the SAP in the paper diaper with the composite core body on the market is low, and the urine cannot be diffused to two ends, so that waste is caused.

In summary, the conventional diaper has the following problems: (1) the gel of the super absorbent resin is liable to cause clogging, so that the liquid diffusing ability is poor, thereby causing local wetness, resulting in a rash of the skin of the user. (2) The utilization rate of SAP in the both ends of composite core is low, and the result of use is poor, and the material is extravagant many. In view of these problems, it is desired to develop an absorbent core with high diffusion capacity, and to improve the diffusion capacity, the infiltration rate and the utilization rate of SAP of the diaper as a whole.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a panty-shape diapers, the absorption core that has high absorbability improves urine diffusion length, can improve the core utilization ratio greatly simultaneously, has improved the comfort level that panty-shape diapers were worn simultaneously.

According to the utility model provides a pair of paper diaper, including trousers body part and absorption part, the absorption part includes the upper epidermis, and lower top layer and cladding are in the upper epidermis and the core between the lower top layer, its characterized in that, the core is formed by the multilayer core is folding, and the core forms vertical central authorities recess in the one side that borders on with lower top layer.

The multilayer core is 7 layer structures, is first cladding, first macromolecule layer, the fluffy cotton layer of first fluffy cotton layer, second macromolecule layer, the fluffy cotton layer of second, third macromolecule layer, second cladding in proper order.

The materials of the first coating layer and the second coating layer are selected from at least one of spunlace nonwoven fabrics, dust-free paper, toilet paper or wet strength paper; the fluffy cotton is prepared by mixing 1.5-4 denier ES fibers and 5-8 denier PET fibers and then bonding the mixture by hot air to obtain 20-45 gsm fluffy non-woven fabric; the macromolecule layer is special high-molecular water-absorbent resin for urine absorption.

The core body is formed by folding a multilayer core body with the width of 200-300mm, and the width of the groove is 5-30 mm.

The utility model discloses absorb the core to panty-shape diapers and improve, can effectively solve the fluff pulp core and play the problem of the fault that sticks together, improve ultra-thin compound core diffusivity and core utilization ratio scheduling problem simultaneously, effectively solve the equilibrium problem of panty-shape diapers "thin", "wholeness absorbability" and "each position comfort level", improved the comfort level of wearing panty-shape diapers, make an ultra-thin and have the panty-shape diapers of instantaneous suction function, lead panty-shape diapers technical revolution. The paper diaper adopting the folded absorption core body comprises six layers of high molecules, so that the problem of insufficient expansion space after the high molecules absorb liquid is solved while the using amount of the high molecules is increased, a larger liquid storage space is provided for the high molecules after absorbing water, and the rapid and large-amount absorption of liquid is facilitated; the recess that forms after the core is folded provides the drain passageway for panty-shape diapers, makes the urine water conservancy diversion reach panty-shape diapers both sides fast, can effectively improve the utilization ratio of polymer.

Drawings

Fig. 1 is a schematic transverse sectional view of the absorbent portion of the diaper of the present invention.

Detailed Description

The features and effects of the present invention will be further described with reference to the accompanying drawings, in which embodiments are shown by way of illustration and not limitation.

Fig. 1 is a schematic transverse sectional view of the absorbent portion of the diaper of the present invention. As shown in fig. 1, the present invention provides a diaper 1, which comprises a diaper body portion (not shown) and an absorption portion, wherein the absorption portion comprises an upper surface layer 10, a lower surface layer 11 and a core 20 wrapped between the upper surface layer 10 and the lower surface layer 11, the core 20 is formed by folding a plurality of layers of cores, and the core 20 forms a longitudinal central groove 30 on one side adjacent to the lower surface layer 11. By folding the multi-layered core, longitudinal (diaper front-rear direction) grooves 30 are formed on the lower surface of the core 20.

The multilayer core body is of a 7-layer structure and sequentially comprises a first coating layer 201, a first high polymer layer 202, a first fluffy cotton layer 203, a second high polymer layer 204, a second fluffy cotton layer 205, a third high polymer layer 206 and a second coating layer 207. In the production process, the layers are sequentially bonded into core raw materials, then the raw materials are cut into semi-finished products of cores with the width of 200-300mm, and the semi-finished products are placed into the finished product of the paper diaper through a folding process.

Wherein the material of the first coating layer and the second coating layer is selected from at least one of spunlace nonwoven fabric, dust-free paper, toilet paper or wet strength paper, and the first coating layer and the second coating layer can be made of the same material or different materials; the fluffy cotton is prepared by mixing 1.5-4 denier ES fibers and 5-8 denier PET fibers and then bonding the mixture by hot air to obtain 20-45 gsm fluffy non-woven fabric; the macromolecule layer is special high-molecular water-absorbent resin for urine absorption.

The core 20 is formed by folding a multilayer core with the width of 200-300mm, and the width of the groove 30 is 5-30 mm. The two sides of the core body semi-finished product with the width of 200-300mm are simultaneously folded downwards by a folding machine to form a folded shape as shown in figure 1, and a groove with the width of 5-30mm is formed in the middle of the lower layer of the core body after folding. The recess that so forms can increase the diffusion of urine for the urine accessible first coating is (vertical) water conservancy diversion around carrying out rapidly, and the successive layer is carried out the water conservancy diversion downwards, then carries out the quick front and back diffusion in intermediate level through the recess, great improvement the utilization ratio of core. Meanwhile, the core body is turned downwards, and the grooves are formed in the bottom surface of the core body, so that discomfort is not brought to a wearer due to the grooves.

The utility model discloses a neotype panty-shape diapers adopt the core that has the lower part recess after folding, and the absorption rate is showing and is improving, and the rewet volume reduces half, and diffusion length has increased 18%.

Table 1 shows the comparative test data between the diaper of the present invention and the diaper using the conventional core.

And after the first coating layer, the first high polymer layer, the first fluffy cotton layer, the second high polymer layer, the second fluffy cotton layer, the third high polymer layer and the second coating layer are bonded in sequence, the absorption core body with the 5-30mm groove is obtained after being folded by a folding machine. The paper diaper adopting the folded absorption core body comprises six layers of high molecules, so that the problem of insufficient expansion space after the high molecules absorb liquid is solved while the using amount of the high molecules is increased, a larger liquid storage space is provided for the high molecules after absorbing water, and the rapid and large-amount absorption of liquid is facilitated; the groove formed after the core body is folded provides a liquid guide channel for the paper diaper, so that urine is quickly guided to two sides of the paper diaper, the utilization rate of polymers can be effectively improved, compared with the existing core body structure, the core body structure has the advantages of higher water absorption speed, more uniformity and higher water absorption capacity, so that the baby can be kept dry and comfortable under the condition of soaking urine by 10-20 g, and the sleeping quality of the baby and the mother can be improved at the same time.

It will be apparent to those skilled in the art that modifications and variations can be made in the above embodiments of the present invention without departing from the spirit of the invention.

Claims

1. A diaper (1) comprising a pant body portion and an absorbent portion, the absorbent portion comprising an upper surface layer (10), a lower surface layer (11) and a core (20) wrapped between the upper surface layer (10) and the lower surface layer (11), characterized in that the core (20) is formed by folding a plurality of layers of cores, and the core (20) forms a longitudinal central groove (30) at a side adjacent to the lower surface layer (11).

2. The diaper according to claim 1, wherein the multi-layer core is a 7-layer structure, comprising a first coating layer (201), a first polymer layer (202), a first fluffy cotton layer (203), a second polymer layer (204), a second fluffy cotton layer (205), a third polymer layer (206) and a second coating layer (207).

3. The diaper according to claim 2, wherein the first and second coating layers are spunlace nonwoven or airlaid paper or toilet paper or wet strength paper; the macromolecule layer is special high-molecular water-absorbent resin for urine absorption.

4. The disposable diaper according to claim 1, wherein the core (20) is folded from a multi-layer core having a width of 200 and 300mm, and the width of the groove (30) is 5-30 mm.