CN212679435U - Sanitary product absorption structure - Google Patents
Sanitary product absorption structure Download PDFInfo
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- CN212679435U CN212679435U CN202020414827.8U CN202020414827U CN212679435U CN 212679435 U CN212679435 U CN 212679435U CN 202020414827 U CN202020414827 U CN 202020414827U CN 212679435 U CN212679435 U CN 212679435U
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Abstract
The utility model relates to a sanitary product absorbing structure. The absorbent structure comprises an absorber and a wrapping layer for wrapping the absorber; the absorber comprises a diffusion layer and an absorption layer; the diffusion layer is dust-free paper and/or non-woven fabric; the absorbing layer is a plurality of layers of fluffy non-woven fabrics, and super absorbent resin is dispersed among the fluffy non-woven fabrics to form a super absorbent resin layer; the absorption structure also comprises an infiltration channel, and the infiltration channel is communicated with the upper surface of the wrapping layer, the diffusion layer and the absorption layer; and the wrapping layer and the absorption layer are formed into an integral structure through hot pressing. Fluffy non-woven fabrics and the infiltration passageway in diffusion layer, the absorbing layer help the liquid diffusion, improve the infiltration speed of menses for this absorbent structure is applicable to the sanitary towel. The wrapping layer and the absorption layer are formed into an integral structure through hot pressing, glue is not used, the blocking of the gel layer to liquid infiltration is avoided, the contact between the skin of a user and the hard surface of the solidified glue layer is reduced, and the comfort level of the user is guaranteed.
Description
Technical Field
The utility model relates to an absorbent sanitary product technical field especially relates to a sanitary product absorbent structure.
Background
With the development of the times, the use concept of sanitary products is continuously improved by consumers, and besides the requirements of high absorption speed, softness and comfort of absorbent products such as paper diapers and sanitary towels, the consumers also increasingly seek to make the absorbent structures light and thin.
How to improve the liquid infiltration speed and the use comfort under the condition of light weight and thinness is a problem.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: how to reduce the thickness of the absorption structure of the sanitary product and simultaneously improve the liquid infiltration speed and the use comfort.
In order to solve the technical problem, the utility model provides a following technical scheme:
an absorbent structure for a hygiene article, the absorbent structure comprising an absorbent body and a wrapping layer for wrapping the absorbent body;
the absorber comprises a diffusion layer and an absorption layer; the diffusion layer is dust-free paper and/or non-woven fabric; the absorbing layer is a plurality of layers of fluffy non-woven fabrics, and super absorbent resin is dispersed among the fluffy non-woven fabrics to form a super absorbent resin layer; and
the absorption structure also comprises an infiltration channel, and the infiltration channel is communicated with the upper surface of the wrapping layer, the diffusion layer and the absorption layer; and
the wrapping layer and the absorption layer are formed into an integral structure through hot pressing.
Preferably, the wrapping layer is one or more of spun-bonded non-woven fabric, wet strength paper and hot air non-woven fabric.
Preferably, the flanging part of the wrapping layer is glued and fixed with the diffusion layer through hot melt adhesive, and the distance from the flanging width to the edge of the diffusion layer is 0.5-5 cm.
Preferably, the absorbent structure further comprises a flow guide layer, the flow guide layer being located on the upper layer of the wrapping layer; and the flow guide layer, the absorber and the wrapping layer are formed into an integral structure through hot pressing.
Preferably, the flow guide layer is distributed with flow guide structures; and/or
The flow guide layer is melt-blown non-woven fabric.
Preferably, the length of the absorber is 10-40cm and the width is 8-15 cm.
Preferably, a super absorbent resin is dispersed between the diffusion layer and the absorption layer; and/or
And super absorbent resin is dispersed between the absorption layer and the wrapping layer.
Preferably, the grammage of the diffusion layer is 5-50g/m2(ii) a And/or
The gram weight of the wrapping layer is 5-35g/m2。
Preferably, the super absorbent resin dispersed between the fluffy non-woven fabrics, the super absorbent resin dispersed between the diffusion layer and the absorption layer and/or the super absorbent resin dispersed between the absorption layer and the wrapping layer is a water absorbent resin material with the water retention capacity of 20-45 and the liquid permeability of 0.1-80 mL/min.
Preferably, the fluffy non-woven fabric is made of 0.1-4 denier ES fibers; and the gram weight of the fluffy non-woven fabric is 10-50g/m2。
Advantageous effects
The above technical scheme of the utility model has following advantage:
the diffusion layer is used for assisting liquid diffusion, and the fluffy non-woven fabric in the absorption layer is also used for assisting liquid diffusion; be provided with the infiltration passageway, infiltration passageway intercommunication parcel layer upper surface, diffusion layer, absorbed layer down, the existence of infiltration passageway realizes absorber multilayer structure's intercommunication, further helps the liquid diffusion, improves the infiltration speed of menses for this absorbed structure is applicable to the sanitary towel.
The wrapping layer and the absorption layer are formed into an integral structure through hot pressing. The multilayer structure in the absorber is connected into an integral structure by adopting hot pressing without using glue, so that the obstruction of the gel layer to liquid infiltration is avoided, the contact of the skin of a user and the hard surface of the solidified gel layer is reduced, and the comfort level of the user is ensured.
The stability of the absorption structure is ensured by the wrapping of the wrapping layer. Therefore, even if the multilayer structures are fixedly connected without glue, the thin-layer absorber still has excellent stability under the combined action of the hot-pressing process and the wrapping layer. In addition, the absorption layer and the diffusion layer are directly wrapped by the wrapping layer, and the material cost is saved.
Each layer of the absorber is of a thin structure, so that the product is light and thin.
Drawings
Fig. 1 is a schematic structural diagram of the absorbent structure provided by the present invention.
In the figure, 1, a wrapping layer; 2. a diffusion layer; 3. an absorbing layer; 3a, fluffy non-woven fabrics; 3b, super absorbent resin.
Detailed Description
In order to make the purpose, technical solution and advantages of the present invention clearer, the following embodiments of the present invention will be combined to clearly and completely describe the technical solution of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The utility model provides an absorbing structure of sanitary products, which comprises an absorber and a wrapping layer for wrapping the absorber; the absorber comprises a diffusion layer and an absorption layer; the diffusion layer is dust-free paper and/or non-woven fabric; the absorption layer is a plurality of layers of fluffy non-woven fabrics, super absorbent resin is dispersed among the fluffy non-woven fabrics to form a super absorbent resin layer, and the absorption layer can instantly solidify absorbed liquid into a gel, so that the liquid can be locked in the absorber, and the back permeation of the liquid is reduced; the absorption structure also comprises an infiltration channel, and the infiltration channel is communicated with the upper surface of the wrapping layer, the diffusion layer and the absorption layer; and the wrapping layer and the absorption layer are formed into an integral structure through hot pressing.
The absorption structure comprises a wrapping layer and an absorption body, wherein the absorption body comprises a diffusion layer and an absorption layer, the diffusion layer is located above the absorption layer, and the wrapping layer wraps the absorption layer and the diffusion layer. The diffusion layer, the absorption layer and the wrapping layer are all thin structures, so that the light and thin product is ensured. However, the utility model discloses on ensureing the frivolous basis of product, still promote the absorptive capacity of product through following design for the infiltration of liquid reduces the contact time of user's skin and wet face, has guaranteed user's comfort level:
a) the diffusion layer is arranged to assist liquid diffusion, so that the phenomenon that the use feeling is influenced by the liquid concentrated on the surface is avoided;
b) the absorption layer is a structure that a plurality of layers of fluffy non-woven fabrics are embedded into the super absorbent resin, so that liquid can be fully absorbed, and the fluffy non-woven fabrics can also assist the diffusion of the liquid;
c) the lower seepage channel is arranged and communicated with the upper surface of the wrapping layer, the diffusion layer and the absorption layer, the multi-layer structure of the absorber is communicated due to the lower seepage channel, so that liquid diffusion is further facilitated, the lower seepage speed of menstrual blood is increased, and the absorption structure is suitable for sanitary towels;
d) the wrapping layer and the absorption layer are formed into an integral structure through hot pressing. The multilayer structure in the absorber adopts a hot-press connection structure when in connection, and does not use glue, thereby avoiding the obstruction of the gel layer to the liquid infiltration, reducing the contact of the skin of a user and the hard surface of the solidified gel layer and ensuring the comfort level of the user.
e) Additionally, the utility model discloses a wrapping up of layer has guaranteed absorbent structure's stability. Therefore, even if the multilayer structures are fixedly connected without glue, the thin-layer absorber still has excellent stability under the combined action of the hot-pressing process and the wrapping layer. The absorbing layer and the diffusion layer are directly wrapped by the wrapping layer, and the material cost is saved.
It should be noted that in the production process, the infiltration channels can be formed by the existing pore-forming process after the thermal compression, such as needle punching.
In some preferred embodiments, the wrapping layer is one or more of a spunbond nonwoven, a wet strength paper, a through air nonwoven, preferably a spunbond nonwoven. Further preferably, the gram weight of the wrapping layer is 5-35g/m2More preferably 15 to 25g/m2. In some preferred embodiments, the flanging part of the wrapping layer is fixedly glued with the diffusion layer through hot melt adhesive, and the distance from the width of the flanging to the edge of the diffusion layer is 0.5-5 cm. Such a design has three advantages: firstly, can consolidate absorbent multilayer structure, ensure that each layer stable in structure connects structure as an organic whole, secondly can avoid appearing both sides seepage behind the absorbent absorption liquid, thirdly can not influence the liquid infiltration speed and the comfort level of use that the absorbent central point put.
In some preferred embodiments, the absorbent structure further comprises a flow-directing layer positioned on an upper layer of the casing layer for better collection of the osmotic liquid. The flow guide layer, the absorber and the wrapping layer are formed into an integral structure through hot pressing, the hot melt adhesive is not used for fixing, and the infiltration speed of liquid and the comfort level of use can be ensured. Further preferably, the flow guide layer is distributed with flow guide structures. The flow guide layer is preferably melt-blown non-woven fabric which is strong in water absorption capacity and good in air permeability, and liquid can rapidly and uniformly permeate into the absorber through the flow guide layer.
In some preferred embodiments, the absorbent body has a length of 10 to 40cm and a width of 8 to 15 cm. Absorbers characterized by such lengths and widths are widely applicable.
In some preferred embodiments, a super absorbent resin is dispersed between the diffusion layer and the absorbent layer. In some preferred embodiments, a super absorbent resin is dispersed between the absorbent layer and the wrapping layer. In some preferred embodiments, the super absorbent resin dispersed between the bulky nonwoven fabrics, the super absorbent resin dispersed between the diffusion layer and the absorbent layer, and/or the super absorbent resin dispersed between the absorbent layer and the wrapping layer is a water absorbent resin material having a water retention capacity of 20 to 45 and a liquid permeability of 0.1 to 80 mL/min.
In some preferred embodiments, the grammage of the material of the diffusion layer is 5-50g/m2More preferably 40g/m2。
In some preferred embodiments, the lofty nonwoven fabric is a lofty nonwoven fabric made of 0.1 to 4 denier ES fiber (Ethylene-Propylene Side By Side, an existing composite fiber material); and the gram weight of the fluffy non-woven fabric is 10-50g/m2。
The following are examples of the present invention. The materials of the respective layers in the following examples are conventional.
Example 1
Referring to fig. 1, the present embodiment provides an absorbent structure comprising a casing layer 1, an absorbent body and an underpass (not shown). The absorbent body comprises a diffusion layer 2 and an absorption layer 3. The diffusion layer 2 is positioned above the absorption layer 3, and the wrapping layer 1 wraps the diffusion layer 2 and the absorption layer 3. The infiltration channel is communicated with the upper surface of the wrapping layer 1, the diffusion layer 2 and the absorption layer 3. The wrapping layer 1, the diffusion layer 2 and the absorption layer 3 are formed into an integral structure through hot-press forming. The flanging position of the wrapping layer 1 is glued and fixed with the diffusion layer 2 through hot melt adhesive, and the distance from the flanging width to the edge of the diffusion layer is 2cm (not shown in the figure).
The wrapping layer 1 is spun-bonded non-woven fabric with the gram weight of 20g/m2。
The diffusion layer 2 is dust-free paper, and the gram weight is 40 g/square meter
The absorption layer 3 is a plurality of layers of fluffy non-woven fabrics 3a, the super absorbent resin 3b is dispersed among the fluffy non-woven fabrics 3a to form a super absorbent resin layer, the fluffy non-woven fabrics 3a are fluffy non-woven fabrics made of 3 denier ES fibers, and the gram weight is 30g/m2The high water absorption resin 3b has a water retention rate of 30,The liquid is filled with 40mL/min of water-absorbent resin material.
Example 2
Example 2 example 1 was modified as follows:
the absorbing structure also comprises a flow guide layer, and the flow guide layer is positioned on the upper layer of the wrapping layer; and the flow guide layer, the absorber and the wrapping layer are formed into an integral structure through hot pressing. And the flow guide layer is distributed with flow guide structures. The flow guide layer is melt-blown non-woven fabric.
Example 3
Example 3 example 1 was modified as follows:
as shown in fig. 1, the super absorbent resin 3b is dispersed between the diffusion layer 2 and the bulky nonwoven fabric 3a to form a polymer resin layer, and the super absorbent resin 3b is dispersed between the wrapping layer 1 at the bottom and the bulky nonwoven fabric 3 a.
Performance detection
The performance of the absorbent structures of examples 1 to 3 was examined according to the following examination method.
The detection method comprises the following steps: placing a liquid iron ring (with weight of 320g, inner diameter of 6cm, outer diameter of 70cm, and height of 4cm) at the center of the core body structure, adding liquid (0.9% physiological saline) at 25 deg.C for 0min, 10min, and 20min respectively, measuring absorption rate and diffusion length, and measuring the liquid addition amount at each time of 80 mL.
After adding the solution for 5 minutes, a 3.5kg weight (a solid cylindrical iron column having a diameter of 10cm and a height of 5.3 cm) was pressed for 3 minutes, and the reverse osmosis amount was measured.
The results are shown in Table 1.
TABLE 1
Example 4
Example 4 example 1 was modified as follows:
the length of the absorbent body is designed to be 28cm and the width to be 10cm, making the absorbent structure suitable for use in the field of feminine sanitary napkins.
The absorbing structure provided by the utility model can be used as sanitary absorbing articles such as a protection pad and a paper diaper besides being used as a sanitary towel.
To sum up, the utility model provides an absorbent structure has frivolous soft, quick infiltration liquid, the advantage of no liquid side leakage, is applicable to very much the sanitary absorption articles for use field, like sanitary towel, protection pad, panty-shape diapers.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. A hygiene article absorbent structure characterized by: the absorbent structure comprises an absorber and a wrapping layer for wrapping the absorber;
the absorber comprises a diffusion layer and an absorption layer; the diffusion layer is dust-free paper and/or non-woven fabric; the absorption layer is a plurality of layers of fluffy non-woven fabrics, and a super absorbent resin layer is dispersed among the fluffy non-woven fabrics; and
the absorption structure also comprises an infiltration channel, and the infiltration channel is communicated with the upper surface of the wrapping layer, the diffusion layer and the absorption layer; and
the wrapping layer and the absorption layer are formed into an integral structure through hot pressing.
2. The hygiene article absorbent structure of claim 1, characterized in that:
the wrapping layer is one or more of spun-bonded non-woven fabric, wet strength paper and hot air non-woven fabric.
3. The hygiene article absorbent structure of claim 1, characterized in that:
the flanging part of the wrapping layer is glued and fixed with the diffusion layer through hot melt adhesive, and the distance from the flanging width to the edge of the diffusion layer is 0.5-5 cm.
4. The hygiene article absorbent structure of claim 1, characterized in that:
the absorbing structure also comprises a flow guide layer, and the flow guide layer is positioned on the upper layer of the wrapping layer; and the flow guide layer, the absorber and the wrapping layer are formed into an integral structure through hot pressing.
5. The hygiene article absorbent structure of claim 4, characterized in that:
the flow guide layer is distributed with flow guide structures; and/or
The flow guide layer is melt-blown non-woven fabric.
6. A hygiene article absorbent structure according to any of claims 1 to 5, characterized in that:
the length of the absorber is 10-40cm, and the width is 8-15 cm.
7. A hygiene article absorbent structure according to any of claims 1 to 5, characterized in that:
super absorbent resin is dispersed between the diffusion layer and the absorption layer; and/or
And super absorbent resin is dispersed between the absorption layer and the wrapping layer.
8. A hygiene article absorbent structure according to any of claims 1 to 5, characterized in that:
the gram weight of the diffusion layer is 5-50g/m2(ii) a And/or
The gram weight of the wrapping layer is 5-35g/m2。
9. A hygiene article absorbent structure according to any of claims 1 to 5, characterized in that:
the super absorbent resin dispersed between the fluffy non-woven fabrics, the super absorbent resin dispersed between the diffusion layer and the absorption layer and/or the super absorbent resin dispersed between the absorption layer and the wrapping layer are water-absorbent resin materials with water retention capacity of 20-45 and liquid passing rate of 0.1-80 mL/min.
10. A hygiene article absorbent structure according to any of claims 1 to 5, characterized in that:
the fluffy non-woven fabric is made of ES fibers with the denier of 0.1-4; and
the gram weight of the fluffy non-woven fabric is 10-50g/m2。
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| CN202020414827.8U CN212679435U (en) | 2020-03-27 | 2020-03-27 | Sanitary product absorption structure |
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| CN202020414827.8U CN212679435U (en) | 2020-03-27 | 2020-03-27 | Sanitary product absorption structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114081724A (en) * | 2021-11-24 | 2022-02-25 | 诺宸股份有限公司 | Disposable absorption core |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114081724A (en) * | 2021-11-24 | 2022-02-25 | 诺宸股份有限公司 | Disposable absorption core |
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Effective date of registration: 20211228 Address after: 257344 No.6, Chenguan Road, Chenguan Town, Guangrao County, Dongying City, Shandong Province Patentee after: Nuo Chen Co.,Ltd. Address before: 257000 dongyinggang Economic Development Zone, Dongying City, Shandong Province Patentee before: SHANDONG NUOER BIOLOGICAL TECHNOLOGY Co.,Ltd. |