Differential liquid absorption dual-core core

Abstract

The utility model relates to the technical field of paper diapers, and discloses a differential imbibition dual-core core body, which comprises a surface layer, a dual-core layer and a bottom layer, a flow guide layer is arranged on the bottom surface of the surface layer, the dual-core layer is connected with the flow guide layer in a bonding way through a bonding layer A, the dual-core layer comprises an imbibition layer A and an imbibition layer B, a fluffy layer is arranged between the imbibition layer A and the imbibition layer B, and the fluffy layer is arranged between the imbibition layer A and the imbibition layer B; the top face of the fluffy layer is connected with the liquid absorption layer A in a bonding mode through a bonding layer B, the bottom face of the fluffy layer is connected with the liquid absorption layer B in a bonding mode through a bonding layer D, a coating layer is arranged on the top face of the bottom layer, and a bonding layer C is arranged on the top of the coating layer. The liquid absorbing layer A and the liquid absorbing layer B are matched for use, so that the liquid absorbing layer B can ensure that the back seepage amount of liquid on the surface of the liquid absorbing layer A is small after the liquid absorbing layer B absorbs liquid and is locked, a user is ensured to be dry and not humid during use, and the use experience of the user is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of diapers, in particular to a differential liquid absorption dual-core body. Background Art

[0002] Infants and young children use diapers frequently at the age of 1-2, up to 5-6 pieces in 24 hours. Improving the performance of diapers is an effective way to prevent diaper rash. The renewal of diapers certainly depends on its core technology part - the core body. The quality of the core body determines the performance of the diapers.

[0003] At present, during the use of diapers, when the core body absorbs liquid, after the core body locks the liquid, the rewet amount on the surface of the core body will make the user's skin feel wet and uncomfortable, which will affect the user experience. Content of the Utility Model

[0004] To solve the technical problems mentioned in the above background art, the utility model provides a differential liquid absorption dual-core body.

[0005] The utility model is realized by the following technical solutions: a differential liquid absorption dual-core body, including a surface layer, a dual-core layer and a bottom layer. A diversion layer is arranged on the bottom surface of the surface layer, and the diversion layer is adhesively connected with the surface layer through an adhesive layer G.

[0006] The dual-core layer is adhesively connected with the diversion layer through an adhesive layer A. The dual-core layer includes a liquid absorption layer A and a liquid absorption layer B. A fluff layer is arranged between the liquid absorption layer A and the liquid absorption layer B. The top surface of the fluff layer is adhesively connected with the liquid absorption layer A through an adhesive layer B, and the bottom surface of the fluff layer is adhesively connected with the liquid absorption layer B through an adhesive layer D.

[0007] A coating layer is arranged on the top surface of the bottom layer. The coating layer is adhesively connected with the bottom layer through an adhesive layer H, and an adhesive layer C is arranged on the top of the coating layer.

[0008] As a further improvement of the above solution, an upper non-woven paper is arranged between the adhesive layer A and the liquid absorption layer A, and a lower non-woven paper is arranged between the liquid absorption layer B and the adhesive layer C. The upper non-woven paper is adhesively connected with the liquid absorption layer A through an adhesive layer E, and the lower non-woven paper is adhesively connected with the liquid absorption layer B through an adhesive layer F.

[0009] As a further improvement of the above solution, the diversion layer is a non-woven fabric layer.

[0010] As a further improvement of the above solution, both the liquid absorption layer A and the liquid absorption layer B are high molecular water-absorbing resin layers.

[0011] As a further improvement of the above solution, the thickness of the liquid absorption layer B is greater than that of the liquid absorption layer A, and the water absorption rate of the liquid absorption layer B is higher than that of the liquid absorption layer A.

[0012] As a further improvement of the above solution, the fluffy layer is a fluffy non-woven fabric.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] The utility model uses the liquid absorption layer A and the liquid absorption layer B in combination, so that after the liquid absorption layer B absorbs and locks the liquid, the amount of liquid re-seepage on the surface of the liquid absorption layer A can be small, thereby ensuring that the user is dry and not wet during use, thereby ensuring the user's use experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model.

[0016] Description of main symbols:

[0017] 1. Surface layer; 2. Adhesive layer A; 3. Liquid-absorbing layer A; 4. Liquid-absorbing layer B; 5. Fluffy layer; 6. Adhesive layer B; 7. Bottom layer; 8. Adhesive layer C; 9. Guide layer; 10. Adhesive layer D; 11. Upper dust-free paper; 12. Lower dust-free paper; 13. Adhesive layer E; 14. Adhesive layer F, 15 Adhesive layer G, 16 Adhesive layer H, 17 Covering layer. DETAILED DESCRIPTION

[0018] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment.

[0019] Embodiment 1:

[0020] Please combine Figure 1 A differential liquid-absorbing dual-core core of this embodiment includes a surface layer 1, a guide layer 9 is arranged on the bottom surface of the surface layer 1, and the guide layer 9 is bonded to the surface layer 1 through an adhesive layer G15, and the guide layer 9 is a non-woven fabric layer.

[0021] The liquid-absorbing double-core layer is bonded to the guide layer 9 through the adhesive layer A2. The double-core layer includes a liquid-absorbing layer A3 and a liquid-absorbing layer B4. Both the liquid-absorbing layer A3 and the liquid-absorbing layer B4 are polymer water-absorbing resin layers. The thickness of the liquid-absorbing layer B4 is greater than the thickness of the liquid-absorbing layer A3, and the water absorption rate of the liquid-absorbing layer B4 is higher than that of the liquid-absorbing layer A3. A fluffy layer 5 is arranged between the liquid-absorbing layer A3 and the liquid-absorbing layer B4. The fluffy layer 5 is a fluffy non-woven fabric. The top surface of the fluffy layer 5 is bonded to the liquid-absorbing layer A3 through the adhesive layer B6, and the bottom surface of the fluffy layer 5 is bonded to the liquid-absorbing layer B4 through the adhesive layer D10.

[0022] The bottom layer 7 is provided with a coating layer 17 on its top surface. The coating layer 17 is adhesively connected to the bottom layer 7 through an adhesive layer H16. An adhesive layer C8 is provided on the top of the coating layer 17. An upper non-woven fabric 11 is provided between the adhesive layer A2 and the liquid absorption layer A3. A lower non-woven fabric 12 is provided between the liquid absorption layer B4 and the adhesive layer C8. The upper non-woven fabric 11 is adhesively connected to the liquid absorption layer A3 through an adhesive layer E13. The lower non-woven fabric 12 is adhesively connected to the liquid absorption layer B4 through an adhesive layer F14.

[0023] In the embodiment of the present application, the implementation principle of a differential liquid absorption dual-core body is as follows: The liquid diffuses after passing through the surface layer 1 and the diversion layer 9, and is absorbed by the dual-core layer. Since the liquid absorption rate of the liquid absorption layer B4 is higher than that of the liquid absorption layer A3, most of the liquid is absorbed into the liquid absorption layer B4. At the same time, the fluff layer 5 can quickly diffuse the liquid when the liquid absorption layer B4 absorbs the liquid, ensuring the liquid absorption effect of the liquid absorption layer B4.

[0024] The above implementation manners are only the preferred implementation manners of the present utility model, and cannot be used to limit the protection scope of the present utility model. Any non-substantial changes and substitutions made by those skilled in the art on the basis of the present utility model belong to the protection scope required by the present utility model.

Claims

1. A dual-core core with differential liquid absorption, characterized in that: include: A surface layer (1), wherein a guide layer (9) is provided on the bottom surface of the surface layer (1), and the guide layer (9) and the surface layer (1) are bonded and connected via an adhesive layer G (15); A double core layer, wherein the double core layer is bonded to a guide layer (9) via an adhesive layer A (2), the double core layer comprises a liquid absorbing layer A (3) and a liquid absorbing layer B (4), a fluffy layer (5) is arranged between the liquid absorbing layer A (3) and the liquid absorbing layer B (4), the top surface of the fluffy layer (5) is bonded to the liquid absorbing layer A (3) via an adhesive layer B (6), and the bottom surface of the fluffy layer (5) is bonded to the liquid absorbing layer B (4) via an adhesive layer D (10); A bottom layer (7), the top surface of the bottom layer (7) is provided with a covering layer (17), the covering layer (17) and the bottom layer (7) are bonded together via an adhesive layer H (16), and an adhesive layer C (8) is provided on the top of the covering layer (17).

2. A differential liquid wicking dual-core core as claimed in claim 1, characterized in that: An upper dust-free paper (11) is arranged between the adhesive layer A (2) and the liquid absorbent layer A (3), and a lower dust-free paper (12) is arranged between the liquid absorbent layer B (4) and the adhesive layer C (8); the upper dust-free paper (11) is bonded to the liquid absorbent layer A (3) via an adhesive layer E (13), and the lower dust-free paper (12) is bonded to the liquid absorbent layer B (4) via an adhesive layer F (14).

3. A differential liquid wicking dual-core core as claimed in claim 1, characterized in that: The guide layer (9) is a non-woven fabric layer.

4. A differential liquid wicking dual-core core as claimed in claim 1, characterized in that: The liquid absorbing layer A (3) and the liquid absorbing layer B (4) are both polymer water absorbing resin layers.

5. A differential liquid wicking dual-core core as claimed in claim 1, characterized in that: The thickness of the liquid-absorbing layer B (4) is greater than that of the liquid-absorbing layer A (3), and the water absorption rate of the liquid-absorbing layer B (4) is higher than that of the liquid-absorbing layer A (3).

6. A differential liquid wicking dual-core core as claimed in claim 1, characterized in that: The fluffy layer (5) is a fluffy non-woven fabric.

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