Locally reinforced high-absorption paper diaper

Abstract

The utility model relates to the technical field of absorption products, in particular to a local reinforced high-absorption paper diaper which comprises a paper diaper body, and the paper diaper body comprises a surface layer non-woven fabric arranged on the top and a bottom layer non-woven fabric arranged on the bottom layer. A flow guide layer non-woven fabric, a composite core body and a PE film are sequentially arranged between the surface layer non-woven fabric and the bottom layer non-woven fabric, and a local reinforced absorption macromolecule layer accounting for 1 / 2-2 / 3 of the longitudinal length of the composite core body adheres to the upper surface of the composite core body. The local reinforced absorption macromolecule layer is designed according to different physiological structures of a baby boy and a baby girl, absorption is reinforced aiming at the excretion position of the baby, the absorption amount and the dryness of the area are improved, the phenomenon that the skin is wetted and rubbed by wet cloth with excreta, and consequently the skin is prone to pruritus, inflammation and the like is avoided, and the comfort of the baby is improved. The phenomenon of side leakage, front leakage or rear leakage caused by urine gathering in the area is also prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of absorbent products, in particular to a locally reinforced high-absorption diaper. Background Art

[0002] Diapers are a common daily necessity for babies, also known as diapers. It is a general term for diapers, diapers and pull-up pants. The main function of diapers is to absorb and store urine to keep babies dry and comfortable. Because the excretion area of ​​babies is prone to urine accumulation, the skin is often soaked and rubbed by the damp cloth with excrement, which makes it more prone to itching and inflammation than other parts of the skin, so some diapers that can enhance local absorption have appeared.

[0003] For example, a diaper for baby boys (publication number: CN110859706A, publication date: 2020-03-06) includes a diaper main body, which includes a surface covering layer, an absorbent core layer and a base fabric. The front and rear parts of the diaper main body are respectively provided with outwardly protruding accommodating spaces, and the edges of the accommodating spaces are provided with radially expandable pleated structures. The pleated structure is an expandable structure formed by folding the diaper main body in the area into a V-shape.

[0004] The diaper has a simple structure and a novel design. It accommodates the male baby's organs through the accommodating area, provides a good accommodating environment, and improves the absorption capacity of the diaper through the sealing and drainage of the leakproof edge and drainage marks, as well as the partially thickened absorption core layer structure, and can prevent the escape of excrement. However, the diaper increases the absorption capacity of the diaper by setting an outwardly protruding accommodating space, and the thickness of the absorption core in the accommodating space is greater than that in other areas. When increasing the absorption capacity of the diaper, this method does not take into account that the thickness of the thickened absorption core will cause the inside of the diaper to be uneven, which may cause discomfort when in contact with the skin, and that the thickened absorption core will increase the thickness of the diaper and reduce the breathability of the diaper. Utility Model Content

[0005] In view of the technical defects existing in the background technology, the utility model proposes a locally reinforced high-absorption diaper, which solves the above technical problems and meets the actual needs. The specific technical solution is as follows:

[0006] A locally reinforced high-absorbency diaper having a longitudinal direction corresponding to the front-back direction of the wearer and a transverse direction orthogonal thereto, comprising a diaper body, wherein the diaper body comprises a surface non-woven fabric arranged on the top and a bottom non-woven fabric arranged on the bottom, leak-proof edges are respectively arranged above the two transverse ends of the surface non-woven fabric, the leak-proof edges extend along one end away and in the opposite direction and are compounded with the transverse edges of the two ends of the bottom non-woven fabric, a guide layer non-woven fabric, a composite core and a PE film are arranged in sequence between the surface non-woven fabric and the bottom non-woven fabric, and a locally reinforced absorbent polymer layer occupying the interval of 1 / 2 to 2 / 3 of the longitudinal length of the composite core is adhered to the upper surface of the composite core

[0007] As a further technical solution of the utility model, the composite core comprises an outer wrapping layer and an inner water-absorbent polymer particle layer, and one side of the wrapping layer disposed between the water-absorbent polymer particle layer and the non-woven fabric of the guide layer is provided with a through hole penetrating the surface wrapping layer.

[0008] As a further technical solution of the utility model, the locally enhanced absorption polymer layer is composed of a single layer of non-overlapping and uniformly distributed high-absorption molecular particles.

[0009] As a further technical solution of the utility model, the locally reinforced absorbent polymer layer is arranged at one end of the composite core body close to the abdomen of the wearer along the longitudinal direction.

[0010] As a further technical solution of the utility model, the locally reinforced absorbent polymer layer is arranged at one end of the composite core body close to the back waist of the wearer in the longitudinal direction.

[0011] As a further technical solution of the utility model, a front waist patch is provided at one end of the bottom nonwoven fabric near the wearer's abdomen in the longitudinal direction. The front waist patch is provided below the bottom nonwoven fabric and extends in the transverse direction.

[0012] As a further technical solution of the utility model, an elastic waistline is provided at one end of the bottom nonwoven fabric in the longitudinal direction close to the back waist of the wearer.

[0013] As a further technical solution of the utility model, the elastic waist is arranged above the PE film and extends in the transverse direction, and ear straps or magic buckles are arranged at the transverse end edges of the elastic waist.

[0014] The beneficial effects of the utility model are:

[0015] The utility model has a locally enhanced absorption polymer layer adhered to the upper surface of the composite core, which is designed according to the different physiological structures of male and female babies and is designed to enhance absorption at the excretion position of the babies, thereby increasing the absorption amount and dryness of the area, preventing the skin from being soaked and rubbed by damp cloth with excrement, thereby causing itching, inflammation and the like, and also preventing urine from gathering in the area, resulting in side leakage, front leakage or back leakage.

[0016] In addition, the locally enhanced absorbent polymer layer is adhered to the composite core, which is lighter and thinner than the ordinary absorbent core. It will not cause discomfort due to the uneven surface of the diaper and will not affect the breathability of the diaper. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The figure is a structural diagram of an embodiment of a locally reinforced high-absorbency diaper.

[0018] Figure 2 The figure is a structural diagram of another embodiment of a locally reinforced high-absorbency diaper.

[0019] Figure 3 The figure is a top view of a locally reinforced high-absorbency diaper.

[0020] Figure 4 The composite core structure diagram of a locally reinforced high-absorbency diaper.

[0021] Wherein: leakproof edge 1, surface non-woven fabric 2, guide layer non-woven fabric 3, composite core 4, wrapping layer 41, water-absorbent polymer particle layer 42, through hole 43, PE film 5, bottom non-woven fabric 6, local reinforced absorption polymer layer 7, front waist tape 8, elastic waist 9, ear straps 10. DETAILED DESCRIPTION

[0022] The following is combined with Figures 1 to 4 The implementation methods of the present invention are described with relevant embodiments, but the implementation methods of the present invention are not limited to the following embodiments, and the present invention involves relevant necessary components in this technical field, which should be regarded as the known technology in this technical field and can be known and mastered by the technicians in this technical field.

[0023] The absorption process of diapers can be roughly divided into three stages: water absorption, diversion and storage. In the water absorption stage, urine first contacts the surface of the diaper and then penetrates downward through the surface. In the diversion stage, the diversion layer is made of non-woven fabric, which plays a role in guiding the urine to conduct and diffuse along the longitudinal direction of the diaper. In the storage stage, the absorption layer is the most important functional layer in the diaper. SAP has super water absorption capacity and can absorb hundreds or even thousands of times its own weight in water, and has good water retention capacity. Some existing diapers do not take into account that urine is prone to accumulation in the baby's excretion position. Urine accumulates in this area, and the urine-soaked cloth rubs against the skin, which can easily cause redness, swelling, inflammation and other phenomena on the skin.

[0024] In view of the above problems, the utility model provides a partially reinforced high-absorbency diaper having a longitudinal direction corresponding to the front-back direction of the wearer and a transverse direction orthogonal thereto, including a diaper body, such as Figure 1 and Figure 3 As shown, the diaper body includes a surface non-woven fabric 2 arranged on the top and a bottom non-woven fabric 6 arranged on the bottom layer, and leak-proof partition edges 1 are respectively provided above the two lateral ends of the surface non-woven fabric 2, and the leak-proof partition edges 1 extend along one end away and in the opposite direction and are compounded with the edges of the two lateral ends of the bottom non-woven fabric 6, and a guide layer non-woven fabric 3, a composite core 4 and a PE film 5 are sequentially provided between the surface non-woven fabric 2 and the bottom non-woven fabric 6, and a local enhanced absorption polymer layer 7 occupying the interval of 1 / 2 to 2 / 3 of the longitudinal length of the composite core 4 is adhered to the upper surface of the composite core 4.

[0025] The utility model has a locally enhanced absorption polymer layer 7 adhered to the upper surface of the composite core 4. The locally enhanced absorption polymer layer 7 is designed according to the different physiological structures of male and female infants, and is designed to enhance absorption at the infant's excretion position, thereby increasing the absorption capacity and dryness of the area, preventing the skin from being soaked and rubbed by damp cloth with excrement, thereby causing itching, inflammation, etc., and also preventing urine from gathering in the area, resulting in side leakage, front leakage or back leakage.

[0026] In the urine conduction process of general diapers, urine infiltrates through the surface non-woven fabric 2 to the guide layer non-woven fabric 3, and the guide layer non-woven fabric 3 guides the urine to be conducted and diffused in the longitudinal direction, and then the urine continues to infiltrate the composite core 4, and is then absorbed and stored by the composite core 4. Different from this, the utility model has a local enhanced absorption polymer layer 7 adhered to the surface of the composite core 4. When urine is conducted downward from the guide layer non-woven fabric 3, urine at the excretion position of the diaper will first contact the local enhanced absorption polymer layer 7, and then contact the composite core 4. The urine is stored in the strong absorption polymer layer and the composite core 4 respectively. This storage method allows the urine at the excretion position to obtain a larger storage volume, and can prevent the urine at the excretion position from infiltrating back to the surface non-woven fabric 2.

[0027] like Figure 1As shown, the locally reinforced absorbent polymer layer 7 is arranged at one end of the composite core 4 in the longitudinal direction close to the abdomen of the wearer. Figure 1 The local enhanced absorption polymer layer 7 is designed for the excretion position of baby boys. According to the physiological structure of baby boys, which is more prone to front leakage of diapers, the local enhanced absorption polymer layer 7 is arranged at one end close to the wearer's abdomen in the longitudinal direction to increase the absorption capacity of this area to adapt to the physiological structure of baby boys, thereby preventing urine accumulation in this area from causing itching, inflammation, etc., and also preventing urine accumulation in this area from causing side leakage or front leakage.

[0028] like Figure 2 As shown, the locally reinforced absorbent polymer layer 7 is disposed at one end of the composite core 4 in the longitudinal direction close to the back waist of the wearer. Figure 2 The local enhanced absorption polymer layer 7 is designed for the excretion position of baby girls. According to the physiological structure of baby girls, which are more prone to diaper leakage at the back, the local enhanced absorption polymer layer 7 is arranged at one end near the back waist of the wearer in the longitudinal direction to increase the absorption capacity of the area and prevent the accumulation of urine in the area from causing itching, inflammation, etc., and also prevent the accumulation of urine in the area from causing side leakage or back leakage.

[0029] In addition, the locally reinforced absorbent polymer layer 7 is adhered to the composite core 4, which is lighter and thinner than the ordinary absorbent core, and will not cause discomfort due to uneven surfaces of the diaper, and will not affect the breathability of the diaper.

[0030] In the present utility model, if Figure 3 As shown, leakproof edges 1 are respectively provided above the two lateral ends of the surface non-woven fabric 2. The design of the leakproof edges 1 can effectively reduce the gap between the diaper and the skin, and improve the anti-side leakage performance of the diaper. The leakproof edges 1 extend along one end away from and in the opposite direction and are compounded with the edges of the two lateral ends of the bottom non-woven fabric 6. Different from the diapers in which the other surface layers are directly compounded with the bottom layer, the utility model adopts the compounding method of extending the leakproof edges 1 and compounding with the bottom non-woven fabric 6, and provides a sufficient accommodating cavity inside the diaper, so that the surface non-woven fabric 2 will not squeeze the composite core 4 downward, thereby preventing the composite core 4 from being squeezed and causing the phenomenon of liquid reverse osmosis. At the same time, in the utility model, a PE film 5 is provided between the composite core 4 and the bottom non-woven fabric 6. The PE film 5 has good waterproof performance, good flexibility and ductility. The PE film 5 can prevent urine from seeping out of the bottom non-woven fabric 6, thereby playing a leakproof role and ensuring the cleanliness of the surface of the bottom non-woven fabric 6.

[0031] As one of the preferred embodiments of the present invention, Figure 4As shown, the composite core 4 includes an outer wrapping layer 41 and an inner water-absorbent polymer particle layer 42. The wrapping layer 41 is provided between the water-absorbent polymer particle layer 42 and the non-woven fabric 3 of the guide layer, and a through hole 43 is provided on one side thereof, which penetrates the wrapping layer 41. The liquid that seeps from the non-woven fabric 3 of the guide layer can quickly enter the water-absorbent polymer particle layer 42 of the inner layer through the through hole 43, thereby improving the drainage and absorption capacity of the composite core 4, allowing urine to be absorbed faster, making the diaper drier and more comfortable. In addition, the perforated design can increase the air permeability of the composite core 4, allowing moisture to be discharged quickly, reducing moisture accumulation between the baby's skin and the diaper, and thus reducing the risk of red bottom and diaper rash.

[0032] As one of the preferred embodiments of the utility model, the locally enhanced absorption polymer layer 7 is composed of a single layer of non-overlapping and uniformly distributed high-absorption molecular particles. Furthermore, the composite core 4 of the utility model includes an outer wrapping layer 41 and an inner layer of water-absorbent polymer particle layer 42, and the production method of the locally enhanced absorption polymer layer 7 is to spray adhesive on the upper surface of the wrapping layer 41, and then spray the high-absorption molecular particles evenly on the wrapping layer 41, thereby generating a single layer of non-overlapping and uniformly distributed high-absorption molecular particle layer. Different from the double-core structure that also has the effect of improving the absorption capacity of diapers, in the embodiment, the thickness of the single layer of non-overlapping high-absorption molecular particles is relatively small even after absorption and expansion, and the high-absorption molecules in the locally enhanced absorption polymer layer 7 can fully contact and store urine, and the material utilization rate is relatively high. However, due to the superabsorption molecular particles inside the double-core structure overlapping each other, the thickness of the expansion after absorbing urine is relatively large, which affects the breathability of the diaper, and the superabsorption molecular particles superimposed cannot fully contact the diaper, thereby reducing the material utilization rate.

[0033] As one of the preferred embodiments of the utility model, a front waist tape 8 is provided at one end of the bottom non-woven fabric 6 near the wearer's abdomen in the longitudinal direction. The front waist tape 8 is provided below the bottom non-woven fabric 6 and extends in the transverse direction. The front waist tape 8 is attached to the abdomen at the front of the wearer, and the diaper can be fixed by gluing or zipping. Their design can provide better adjustment function, so that the diaper can adapt to the baby's body curve and prevent the waist from loosening and causing urine leakage. At the same time, the front waist tape 8 can also help parents quickly change diapers, improving convenience.

[0034] As one of the preferred embodiments of the present invention, an elastic waist 9 is provided at one end of the bottom nonwoven fabric 6 near the back waist of the wearer in the longitudinal direction. The design of the elastic waist 9 can reduce the restraint of the diaper on the baby's body, avoid being too tight or too loose, thereby reducing skin friction and discomfort. At the same time, the elastic waist 9 can also help the diaper better fit the baby's body curve to prevent excrement from leaking sideways or from the back.

[0035] As one of the preferred embodiments of the utility model, the elastic waistband 9 is arranged above the PE film 5 and extends in the transverse direction, and ear straps 10 or magic buckles are provided at the transverse edges of both ends of the elastic waistband 9. The ear straps 10 are straps on both sides of the diaper, and the diaper can be fixed by adjusting the length of the ear straps 10. The magic buckle consists of two parts: one is a plastic strip with a small hook, and the other is a cloth with a small loop. When the two are fitted, the small hook will hook the loop to fix the diaper. The design of the ear straps 10 and the magic buckle can make the diaper fit the baby's body better, reduce the possibility of side leakage or rear leakage, and help parents wear and change diapers more easily, improving the user experience.

[0036] The following are two embodiments of the present invention:

[0037] Example 1

[0038] A locally reinforced high-absorbency diaper having a longitudinal direction corresponding to the front-back direction of a wearer and a transverse direction orthogonal thereto, comprising a diaper body, such as Figure 1 and Figure 3 As shown, the diaper body includes a surface non-woven fabric 2 arranged at the top and a bottom non-woven fabric 6 arranged at the bottom. The surface non-woven fabric 2 is provided with leakproof edges 1 above the two ends in the horizontal direction. The leakproof edges 1 extend along one end away from and in the opposite direction and are compounded with the edges of the two ends in the horizontal direction of the bottom non-woven fabric 6. The surface non-woven fabric 2 and the bottom non-woven fabric 6 are provided with a guide layer non-woven fabric 3, a composite core 4 and a PE film 5 in sequence. The upper surface of the composite core 4 is adhered with a local enhanced absorption polymer layer 7 occupying 2 / 3 of the longitudinal length of the composite core 4. The local enhanced absorption polymer layer 7 is arranged at one end of the composite core 4 close to the abdomen of the wearer in the longitudinal direction. The composite core 4 includes an outer wrapping layer 41 and an inner absorbent polymer particle layer 42. The wrapping layer 41 is provided between the absorbent polymer particle layer 42 and the guide layer non-woven fabric 3. A through hole 43 penetrating the surface wrapping layer 41 is provided on one side. The local enhanced absorption polymer layer 7 is composed of a single layer of high-absorption molecular particles that are not superimposed and evenly distributed.

[0039] This embodiment is a male diaper designed specifically for baby boys. Based on the characteristics of the male urethral opening being close to the front end of the diaper and considering the absorption requirements of this characteristic, this embodiment sets the local enhanced absorption polymer layer 7 above the 2 / 3 interval of the composite core 4 along the longitudinal direction close to the wearer's abdomen to adapt to the physiological characteristics of the male urinating position being close to the front, occupying the 2 / 3 interval of the composite core 4, which can meet the absorption requirements of the area for urine and improve the absorption amount and dryness of the area. At the same time, the local enhanced absorption polymer layer 7 of this embodiment is composed of a single layer of non-overlapping and evenly distributed high-absorption molecular particles and is provided with through holes 43, which can accelerate the absorption rate of urine, reduce material utilization, and do not affect the comfort and breathability of the diaper.

[0040] Example 2

[0041] A locally reinforced high-absorbency diaper having a longitudinal direction corresponding to the front-back direction of a wearer and a transverse direction orthogonal thereto, comprising a diaper body, such as Figure 2 and Figure 3 As shown, the diaper body includes a surface nonwoven fabric 2 arranged on the top and a bottom nonwoven fabric 6 arranged on the bottom. Leakage-proof edges 1 are respectively provided above the two lateral ends of the surface nonwoven fabric 2. The leak-proof edges 1 extend along one end away from and in the opposite direction and are compounded with the edges of the two lateral ends of the bottom nonwoven fabric 6. A guide layer nonwoven fabric 3, a composite core 4 and a PE film 5 are sequentially provided between the surface nonwoven fabric 2 and the bottom nonwoven fabric 6. A local enhanced absorption polymer layer 7 occupying 2 / 3 of the longitudinal length of the composite core 4 is adhered to the upper surface of the composite core 4. The local enhanced absorption polymer layer 7 is provided at one end of the composite core 4 near the back waist of the wearer in the longitudinal direction. The composite core 4 includes an outer wrapping layer 41 and an inner absorbent polymer particle layer 42. The wrapping layer 41 is provided between the absorbent polymer particle layer 42 and the guide layer nonwoven fabric 3. A through hole 43 penetrating the surface wrapping layer 41 is provided on one side. The locally enhanced absorption polymer layer 7 is composed of a single layer of non-overlapping and uniformly distributed high absorption molecular particles.

[0042] Different from Embodiment 1, this embodiment is a female diaper specially designed for baby girls. The implementation effect of this embodiment is consistent with that of Embodiment 1, which will not be repeated here. The difference is that in this embodiment, the local enhanced absorption polymer layer 7 is arranged above the 2 / 3 interval of the composite core 4 along the longitudinal direction near the back waist of the wearer to adapt to the physiological characteristics of women's forward urination position, occupying the 2 / 3 interval of the composite core 4, which can meet the absorption demand of urine in this area and improve the absorption amount and dryness of this area.

[0043] The above is only a preferred embodiment of the present invention. It should be pointed out that ordinary technicians in this technical field can make several improvements and modifications without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A partially reinforced high-absorbency diaper having a longitudinal direction corresponding to the front-back direction of the wearer and a transverse direction orthogonal thereto, comprising a diaper body, characterized in that: The diaper body comprises a surface non-woven fabric (2) arranged on the top and a bottom non-woven fabric (6) arranged on the bottom. Leakage-proof edges (1) are respectively provided above the two lateral ends of the surface non-woven fabric (2). The leakage-proof edges (1) extend along one end away from and in the opposite direction and are composited with the two lateral edges of the bottom non-woven fabric (6). A guide layer non-woven fabric (3), a composite core (4) and a PE film (5) are sequentially provided between the surface non-woven fabric (2) and the bottom non-woven fabric (6). A local enhanced absorption polymer layer (7) occupying a range of 1 / 2 to 2 / 3 of the longitudinal length of the composite core (4) is adhered to the upper surface of the composite core (4).

2. The partially reinforced high-absorbency diaper according to claim 1, characterized in that: The composite core (4) comprises an outer wrapping layer (41) and an inner water-absorbent polymer particle layer (42); one surface of the wrapping layer (41) disposed between the water-absorbent polymer particle layer (42) and the non-woven fabric (3) of the guide layer is provided with a through hole (43) penetrating the surface of the wrapping layer (41).

3. The partially reinforced high-absorbency diaper according to claim 1, characterized in that: The locally enhanced absorption polymer layer (7) is composed of a single layer of non-overlapping and evenly distributed high-absorption molecular particles.

4. The partially reinforced high-absorbency diaper according to claim 1, characterized in that: The locally reinforced absorbent polymer layer (7) is arranged at one end of the composite core (4) in the longitudinal direction close to the abdomen of the wearer.

5. The partially reinforced high-absorbency diaper according to claim 1, characterized in that: The locally reinforced absorbent polymer layer (7) is arranged at one end of the composite core (4) in the longitudinal direction close to the back waist of the wearer.

6. The partially reinforced high-absorbency diaper according to claim 1, characterized in that: A front waist patch (8) is provided at one end of the bottom non-woven fabric (6) in the longitudinal direction close to the abdomen of the wearer. The front waist patch (8) is provided below the bottom non-woven fabric (6) and extends in the transverse direction.

7. The partially reinforced high-absorbency diaper according to claim 1, characterized in that: An elastic waist band (9) is provided at one end of the bottom nonwoven fabric (6) in the longitudinal direction close to the back waist of the wearer.

8. The partially reinforced high-absorbency diaper according to claim 7, characterized in that: The elastic waistband (9) is arranged above the PE film (5) and extends in the transverse direction. The elastic waistband (9) is provided with ear straps (10) or magic buckles at both transverse ends.

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