Quick-absorption dry and comfortable composite core body structure

Abstract

The utility model is applicable to the technical field of paper diapers, and provides a quick-absorption dry composite core structure which comprises a wrapping layer, a surface layer, an absorption layer and a bottom layer, the surface layer, the absorption layer and the bottom layer are arranged in the wrapping layer from top to bottom, and the absorption layer comprises a first absorption resin layer, a flow guide layer and a second absorption resin layer. The first absorption resin layer and the second absorption resin layer are respectively formed by mixing macromolecular water-absorbent resin and hot air fiber bundles with different characteristics and carrying out different embossing molding processes, inverted conical absorption holes are uniformly formed in the top end of the flow guide layer, and the flow guide layer is made of porous spunlace wood pulp cloth; wherein the surface layer, the absorbing layer and the bottom layer form a composite core body; the inverted-cone-shaped absorption holes are distributed in the length direction of the composite core body and are parallel to one another. The device solves the problems of comfort of the paper diaper and red buttocks caused by long-time wearing, achieves a composite core structure capable of improving absorption, diffusion and water locking of the paper diaper, and can keep dry and comfortable for a long time even if the paper diaper is used at night.

Description

TECHNICAL FIELD

[0001] The utility model relates to paper diaper technical field more specifically, it relates to a compound core structure of quick absorption dry. BACKGROUND

[0002] With the improvement of people's living standard and quality, paper diaper gradually replaces diaper and becomes the choice of new generation baby, becomes indispensable household supplies. In order to provide baby more comfortable use experience, a paper diaper with high safety, quality, absorption speed, absorption capacity, water locking function and absolute dryness becomes the high standard requirement of young parents when choosing paper diaper.

[0003] At present, various paper diaper brands and styles on the market are various, and people are dazzled. However, these various paper diapers are uneven in quality. Among them, those with serious reverse osmosis phenomenon are especially worth paying attention to. When the baby wears the paper diaper with high reverse osmosis, the urine will not be effectively locked and absorbed, but will gradually penetrate back to the tender skin surface of the baby. This condition will greatly affect the comfort of the paper diaper, and the baby will feel damp and hot, as if a wet cloth is always attached to the body. Especially at night, the baby needs to wear the paper diaper for a long time, if the reverse osmosis problem of the paper diaper is serious, the baby's small buttocks will be in this damp environment throughout the long night. In the long run, this damp environment is like a breeding ground for problems, greatly increasing the probability of red buttocks of the baby. Red buttocks will make the baby feel uncomfortable, even painful, seriously affecting the sleep quality and daily life of the baby.

[0004] Therefore, a compound core structure of quick absorption and dryness is proposed to solve the problem of comfort and long-wearing red buttocks of paper diaper. Utility model content

[0005] In view of the deficiencies of prior art, the purpose of the utility model is to provide a compound core structure that can improve the absorption, diffusion and water locking of paper diaper, even if used at night, it can keep dry for a long time, avoid the problem of red buttocks caused by dampness.

[0006] To achieve the above purpose, the utility model provides the following technical scheme:

[0007] The compound core structure of quick absorption and dryness includes a wrapping layer and a surface layer, an absorption layer and a bottom layer arranged from top to bottom in the wrapping layer, the absorption layer includes a first absorption resin layer, a flow guide layer and a second absorption resin layer, the first absorption resin layer and the second absorption resin layer are respectively formed by mixing high molecular water absorption resin and hot air fiber bundle with different properties and through different embossing forming processes, the flow guide layer is uniformly provided with inverted conical absorption holes at the top end, and the flow guide layer is a porous water-jet wood pulp cloth.

[0008] The surface layer is dust-free paper, and the grammage is 35-45 gsm.

[0009] The bottom layer is hydrophilic non-woven fabric, and the grammage is 10-15 gsm.

[0010] The flow guide layer is water-jet wood pulp non-woven fabric, and the grammage is 50-70 gsm.

[0011] The surface layer, the absorption layer and the bottom layer are connected through hot melt adhesive bonding.

[0012] The wrapping layer wraps the bottom, two sides and upper edge of the compound core body, and the material of the wrapping layer is hydrophilic non-woven fabric.

[0013] Through the above technical scheme, the fiber layers with different embossing forming in the absorption layer can make the urine better diffuse between the layers, improve the utilization rate of the super absorbent resin, and reduce the back penetration of the urine. When the urine contacts the first absorption resin layer through the surface layer, the hot air fiber bundle in contact with the first absorption resin layer can play a certain flow guiding role, and most of the urine can quickly seep along the fiber to the flow guide layer. Due to the existence of the absorption holes of the flow guide layer, the urine can quickly infiltrate into the second absorption resin layer. Similarly, the fiber in contact with the flow guide layer can guide the liquid to quickly reach the area covered with the super absorption resin, so as to realize the rapid absorption of the urine. In particular, because the absorption holes of the flow guide layer are designed in a special inverted conical shape, the liquid infiltrating into the second absorption resin layer can be effectively prevented from back penetration upward, the dry performance of the diaper is long-acting guaranteed, and the problems of red buttocks caused by moisture are greatly avoided.

[0014] In summary, the present application has at least one of the following beneficial technical effects:

[0015] 1、Absorbent layer in different embossing forming fiber layer, so that urine can better diffusion between layers, improve the utilization rate of superabsorbent resin, and reduce the urine back. When the urine through the surface layer contact with the first absorbent resin layer, the hot air fiber bundle in contact with it will play a certain flow guiding effect, most of the urine along the fiber rapid seepage to the flow layer, due to the presence of flow layer absorption hole, these urine will quickly infiltrate into the second absorbent resin layer, similarly, the fiber in contact with the flow layer will flow liquid quickly reach the area covered with high absorption resin, realize the rapid absorption of urine, especially, because the flow layer absorption hole is a special inverted cone design, can effectively avoid the liquid infiltrated into the second absorption resin layer upward back, long-term guarantee the dry performance of the diaper, greatly avoid the problem of red bottom caused by moisture. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 The structure of the composite core structure of the application is shown in the structure diagram.

[0017] Fig. 2 The cross section of the composite core in the application is shown in the diagram.

[0018] Fig. 3 The internal cross section of the flow layer in the application is shown in the diagram.

[0019] The reference signs are explained as follows: 1, surface layer; 2, absorbent layer; 3, bottom layer; 4, first absorbent resin layer; 5, flow layer; 6, second absorbent resin layer; 7, high molecular water absorbing resin; 8, hot air fiber bundle; 9, inverted cone absorption hole; 10, wrapping layer. DETAILED DESCRIPTION

[0020] It should be noted that the embodiments in the application and the features in the embodiments can be combined with each other without conflict. The application will be described in detail below with reference to the drawings and embodiments.

[0021] It should be noted that, unless otherwise specified, all technical and scientific terms used in the application have the same meaning as generally understood by those skilled in the art to which the application belongs.

[0022] Embodiment one, please refer to Figs. 1-3 The application provides the following technical solutions:

[0023] Specifically refers to a composite core structure of rapid absorption and dryness, please refer to Figs. 1-3, including a wrapping layer 10 and a surface layer 1, an absorption layer 2 and a bottom layer 3 arranged inside from top to bottom, the absorption layer 2 comprising a first absorption resin layer 4, a flow guide layer 5 and a second absorption resin layer 6, the first absorption resin layer 4 and the second absorption resin layer 6 being mixed with high molecular water absorption resin 7 and hot air fiber bundle 8 respectively with different properties and formed through different embossing processes, the flow guide layer 5 being uniformly provided with inverted conical absorption holes 9 at the top end, and the flow guide layer 5 being a porous water-jet pulp cloth, wherein the surface layer 1, the absorption layer 2 and the bottom layer 3 form a composite core body, the inverted conical absorption holes 9 are arranged along the length of the composite core body and are parallel to each other, and the water absorption and conduction performance can be improved.

[0024] Referring to Figs. 1-3 The surface layer 1 is dust-free paper with a grammage of 35-45 gsm and a simple structure, the bottom layer 3 is hydrophilic non-woven fabric with a grammage of 10-15 gsm and a stable structure, the flow guide layer 5 is water-jet pulp non-woven fabric with a grammage of 50-70 gsm, and the surface layer 1, the absorption layer 2 and the bottom layer 3 are connected through hot melt adhesive bonding.

[0025] Specifically, in use, the fiber layers formed through different embossing processes in the absorption layer 2 allow the urine to diffuse better between the layers, improve the utilization rate of the high molecular water absorption resin 7 and reduce the back penetration of the urine. When the urine contacts the first absorption resin layer 4 through the surface layer 1, the hot air fiber bundle 8 in contact with the first absorption resin layer 4 plays a certain flow guiding role, allowing most of the urine to quickly seep along the fiber to the flow guide layer 5. Due to the presence of the inverted conical absorption holes 9 in the structure of the flow guide layer 5, the urine quickly seeps into the second absorption resin layer 6. Similarly, the fiber in contact with the flow guide layer 5 guides the liquid to quickly reach the area covered with the high molecular absorption resin 7, achieving rapid absorption of the urine. In particular, because the inverted conical absorption holes 9 of the flow guide layer 5 are designed in an inverted conical shape, the liquid that seeps into the second absorption resin layer 6 can be effectively prevented from back penetration, long-term ensuring the dryness of the diaper and greatly avoiding problems such as red buttocks caused by moisture.

[0026] Obviously, the above-described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should belong to the scope of protection of the present application.

Claims

1. A quick-drying and dry composite core structure, characterized by: The application relates to a composite core body, which comprises a wrapping layer (10) and a top layer (1), an absorbing layer (2) and a bottom layer (3) arranged in the wrapping layer (10) from top to bottom, wherein the absorbing layer (2) comprises a first absorbing resin layer (4), a flow guiding layer (5) and a second absorbing resin layer (6), the first absorbing resin layer (4) and the second absorbing resin layer (6) are respectively mixed by high-molecular water-absorbing resin (7) and hot air fiber bundle (8) with different properties and are formed through different embossing forming processes, the flow guiding layer (5) is uniformly provided with inverted conical absorbing holes (9) at the top end, and the flow guiding layer (5) is a porous water-jet wood pulp cloth. The top layer (1), the absorbing layer (2) and the bottom layer (3) constitute a composite core body. The inverted conical absorbing holes (9) are arranged along the length of the composite core body and are parallel to each other.

2. A quick absorbing dry composite core structure according to claim 1, wherein: The top layer (1) is dust-free paper with a grammage of 35-45 gsm.

3. A quick absorbing dry composite core structure according to claim 1, wherein: The bottom layer (3) is hydrophilic non-woven cloth with a grammage of 10-15 gsm.

4. The quick absorbing and dry composite core structure according to claim 1, wherein: The flow guiding layer (5) is water-jet wood pulp non-woven cloth with a grammage of 50-70 gsm.

5. The quick absorbing and dry composite core structure according to claim 1, wherein: The top layer (1), the absorbing layer (2) and the bottom layer (3) are connected through hot melt adhesive bonding.

6. The quick absorbing and dry composite core structure according to claim 1, wherein: The wrapping layer (10) wraps the bottom, two sides and upper edge of the composite core body, and the material of the wrapping layer is hydrophilic non-woven cloth.

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