CN213851464U - Composite absorption core - Google Patents
Composite absorption core Download PDFInfo
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- CN213851464U CN213851464U CN202022365974.3U CN202022365974U CN213851464U CN 213851464 U CN213851464 U CN 213851464U CN 202022365974 U CN202022365974 U CN 202022365974U CN 213851464 U CN213851464 U CN 213851464U
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Abstract
The utility model provides a composite absorption core body, which belongs to the technical field of sanitary napkins. The composite absorption core body comprises an upper covering layer, a first water-absorbent resin layer, a non-woven fabric fixing layer, a second water-absorbent resin layer and a lower covering layer, wherein the upper covering layer is wrapped outside the first water-absorbent resin layer, the non-woven fabric fixing layer, the second water-absorbent resin layer and the lower covering layer, the first water-absorbent resin layer comprises a plurality of strips of water-absorbent resin, and a plurality of through holes are formed in the non-woven fabric fixing layer; the lower covering layer is water-absorbent resin composite paper. The double-S punching structure of the upper layer covering cloth can effectively prevent side leakage; u-shaped grooves are formed among the first water-absorbent resin layer strip-shaped water-absorbent resins and have a flow guiding effect; the composite absorption core body comprises three water absorption resin layers, the first resin layer is communicated with liquid for diffusion, the second resin layer is locked with liquid rapidly, the third resin layer strengthens the absorption capacity of the absorber, and the dryness and smoothness of the absorption of the product can be effectively improved.
Description
Technical Field
The utility model belongs to the technical field of sanitary towel, concretely relates to composite absorption core.
Background
The sanitary napkin generally comprises a surface layer, an absorption core and a bottom film, wherein the absorption core is positioned between the surface layer and the bottom film and has the functions of absorbing water and locking water. At present, most of the absorbent cores of the sanitary towels are made of super absorbent resin attached to a cloth-based base material, and the super absorbent resin is less in content, so that the water absorption and water locking functions are reduced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a composite absorption core body to improve the water absorption of the existing sanitary towel absorption core body.
In order to achieve the above object, the technical solution of the present invention is:
a composite absorption core body comprises an upper covering layer, a first water-absorbent resin layer, a non-woven fabric fixing layer, a second water-absorbent resin layer and a lower covering layer, wherein the upper covering layer is wrapped outside the first water-absorbent resin layer, the non-woven fabric fixing layer, the second water-absorbent resin layer and the lower covering layer, the first water-absorbent resin layer comprises a plurality of strip-shaped water-absorbent resins, and a plurality of through holes are formed in the non-woven fabric fixing layer; the lower covering layer is water-absorbent resin composite paper.
Preferably, the surface of the upper covering layer is provided with penetration holes.
Preferably, the penetration holes are two double S-shaped holes.
Preferably, the distance between the two double S-shaped holes is 20-50 mm.
Preferably, the first water-absorbent resin layer contains 2 to 7 strips of water-absorbent resin.
Preferably, the second water absorbent resin layer comprises two layers of water absorbent resin.
Preferably, the width of the composite absorbent core is 50-130 mm.
The utility model has the advantages that:
1. the double-S-shaped punching structure of the upper covering cloth can effectively prevent side leakage; u-shaped grooves are formed among the first water-absorbent resin layer strip-shaped water-absorbent resins, and the water-absorbent resin layer has a flow guiding effect.
2. The non-woven fabric fixing layer is provided with a plurality of moisture permeation through holes, and the U-shaped grooves between the non-woven fabric fixing layer and the S-shaped holes and the strip-shaped water-absorbent resin of the surface layer can ensure that liquid can permeate fast, so that the liquid can be kept at the bottom layer as far as possible.
3. The composite absorption core body comprises three water absorption resin layers, the first resin layer is communicated with liquid for diffusion, the second resin layer is locked with liquid rapidly, the third resin layer strengthens the absorption capacity of the absorber, and the dryness and smoothness of the absorption of the product can be effectively improved.
Drawings
Fig. 1 is a schematic view of the layer cross-sectional structure of the present invention.
Figure 2 is a top view of the drape.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.
Referring to fig. 1 to 2, a composite absorption core comprises an upper covering layer 1, a first water absorbent resin layer 2, a non-woven fabric fixing layer 3, a second water absorbent resin layer 4 and a lower covering layer 5, wherein the upper covering layer 1 is wrapped outside the first water absorbent resin layer 2, the non-woven fabric fixing layer 3, the second water absorbent resin layer 4 and the lower covering layer 5, the first water absorbent resin layer 2 comprises a plurality of strip-shaped water absorbent resins, and a plurality of through holes 6 are formed in the non-woven fabric fixing layer 3; the lower covering layer 5 is water-absorbent resin composite paper.
The upper covering layer of the composite absorbing core body is made of dust-free paper or PP wood pulp spunlace, the gram weight of the composite absorbing core body is 25-50gsm, the double-S-shaped composite absorbing core body is subjected to punching post-treatment and then is reversely wrapped to the lower covering cloth layer. The first water-absorbing resin layer comprises strip-shaped water-absorbing resins with the gram weight of 50-150gsm, so that U-shaped grooves are formed among the strip-shaped water-absorbing resins, and the water-absorbing resin layer has a flow guiding effect. The non-woven fabric fixing layer is provided with a plurality of through holes, and the non-woven fabric fixing layer and the U-shaped grooves among the strip-shaped water-absorbent resins can play a role in guiding flow, so that the liquid can be quickly permeated, and the liquid can be kept on the second water-absorbent resin layer and the lower covering layer of the bottom layer as far as possible; the non-woven fabric fixing layer is a hydrophilic hot air non-woven fabric with the gram weight of 20-50gsm and 2D-5D fibers. The absorbent resin composite paper (SAPP) has the gram weight of 50-100gsm and the absorbent resin content of 25%.
Further, the surface of the upper covering layer is provided with a penetration hole. Preferably, the penetration holes are two double S-shaped holes 11. Preferably, the distance between the two double S-shaped holes 11 is 20-50 mm. Two double S-shaped permeation holes are arranged to play roles in guiding flow and preventing side leakage.
Further, the first water absorbent resin layer 2 contains 2 to 7 strips of water absorbent resin.
Further, the second water absorbent resin layer 4 comprises two layers of water absorbent resins. The first layer of resin can lock liquid quickly, and the second layer of resin can enhance the liquid absorption capacity, so that the dryness and the smoothness of the absorption of the product can be effectively improved.
Further, the width of the composite absorption core body is 50-130 mm.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (7)
1. A composite absorption core body is characterized by comprising an upper covering layer, a first water-absorbent resin layer, a non-woven fabric fixing layer, a second water-absorbent resin layer and a lower covering layer, wherein the upper covering layer is wrapped outside the first water-absorbent resin layer, the non-woven fabric fixing layer, the second water-absorbent resin layer and the lower covering layer, the first water-absorbent resin layer comprises a plurality of strip-shaped water-absorbent resins, and a plurality of through holes are formed in the non-woven fabric fixing layer; the lower covering layer is water-absorbent resin composite paper.
2. The composite absorbent core of claim 1 wherein the surface of said upper cover layer is provided with a plurality of permeable pores.
3. The composite absorbent core according to claim 2 wherein said permeable pores are two double S-shaped pores.
4. The composite absorbent core according to claim 3 wherein the two double S-shaped holes have a pitch of 20-50 mm.
5. The composite absorbent core according to claim 1, wherein said first water-absorbent resin layer contains 2 to 7 strips of water-absorbent resin.
6. The composite absorbent core according to claim 1, wherein said second water absorbent resin layer comprises two layers of water absorbent resin.
7. The composite absorbent core of claim 1 wherein said composite absorbent core has a width of 50 to 130 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022365974.3U CN213851464U (en) | 2020-10-21 | 2020-10-21 | Composite absorption core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022365974.3U CN213851464U (en) | 2020-10-21 | 2020-10-21 | Composite absorption core |
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| CN213851464U true CN213851464U (en) | 2021-08-03 |
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| CN202022365974.3U Active CN213851464U (en) | 2020-10-21 | 2020-10-21 | Composite absorption core |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114366445A (en) * | 2022-02-24 | 2022-04-19 | 泉州市美高品牌运营有限公司 | Online processing technology for absorption core body |
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2020
- 2020-10-21 CN CN202022365974.3U patent/CN213851464U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114366445A (en) * | 2022-02-24 | 2022-04-19 | 泉州市美高品牌运营有限公司 | Online processing technology for absorption core body |
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