CN219375201U - Reverse osmosis-preventing absorber and paper diaper - Google Patents
Reverse osmosis-preventing absorber and paper diaper Download PDFInfo
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- CN219375201U CN219375201U CN202222426924.0U CN202222426924U CN219375201U CN 219375201 U CN219375201 U CN 219375201U CN 202222426924 U CN202222426924 U CN 202222426924U CN 219375201 U CN219375201 U CN 219375201U
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- layer
- absorber
- reverse osmosis
- liquid
- macropores
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- 239000006096 absorbing agent Substances 0.000 title claims abstract description 41
- 239000010410 layer Substances 0.000 claims abstract description 68
- 239000011148 porous material Substances 0.000 claims abstract description 40
- 238000001223 reverse osmosis Methods 0.000 claims abstract description 27
- 239000012792 core layer Substances 0.000 claims abstract description 22
- 230000002265 prevention Effects 0.000 claims abstract description 3
- 239000000463 material Substances 0.000 claims description 17
- 230000002745 absorbent Effects 0.000 claims description 15
- 239000002250 absorbent Substances 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 239000012982 microporous membrane Substances 0.000 claims description 11
- 230000002209 hydrophobic effect Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 239000007788 liquid Substances 0.000 abstract description 48
- 239000002344 surface layer Substances 0.000 abstract description 47
- 239000012466 permeate Substances 0.000 abstract description 23
- 239000000047 product Substances 0.000 abstract description 8
- 238000009423 ventilation Methods 0.000 abstract description 4
- 230000008595 infiltration Effects 0.000 description 6
- 238000001764 infiltration Methods 0.000 description 6
- 239000004745 nonwoven fabric Substances 0.000 description 6
- 210000002700 urine Anatomy 0.000 description 5
- 239000004698 Polyethylene Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 210000001124 body fluid Anatomy 0.000 description 3
- 239000010839 body fluid Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000027939 micturition Effects 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 229920000247 superabsorbent polymer Polymers 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 206010033799 Paralysis Diseases 0.000 description 1
- 206010046543 Urinary incontinence Diseases 0.000 description 1
- 230000013872 defecation Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 125000001165 hydrophobic group Chemical group 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000474 nursing effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000036559 skin health Effects 0.000 description 1
- 230000003860 sleep quality Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
Landscapes
- Absorbent Articles And Supports Therefor (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Abstract
The utility model relates to the technical field of sanitary products, and particularly discloses an anti-reverse osmosis absorber and a paper diaper, wherein the absorber sequentially comprises a surface layer, a porous material layer, a covering layer, a core layer, a ventilation layer and a bottom layer from top to bottom, a plurality of macropores are formed in the surface layer, a plurality of mesopores are formed in the porous material layer, a plurality of small holes are formed in the covering layer, the macropores, the mesopores and the small holes are combined from top to bottom to form a diversion hole, and the diversion hole is of a structure with a large upper part and a small lower part. According to the reverse osmosis prevention absorber, as the macropores, the mesopores and the pinholes are combined from top to bottom to form the diversion holes with the structures of the upper part and the lower part, liquid can permeate from the macropores to the pinholes, otherwise, the liquid is difficult to permeate from the pinholes to the macropores, when the surface layer contacts with the liquid, the liquid can permeate from the surface layer to the core layer, and the liquid of the core layer is difficult to permeate back to the surface layer, so that the surface layer is kept dry and comfortable, and the wearing comfort is improved.
Description
Technical Field
The utility model belongs to the technical field of paper diapers, and particularly relates to an anti-reverse osmosis absorber and a paper diaper.
Background
The diaper is also called diaper wet or diaper wet, and is a disposable product after disposable use. The user group of the paper diaper mainly comprises two main groups of infants and adults, wherein the Chinese market mainly comprises the paper diaper for infants. With technical progress and material improvement, many existing diapers are no longer made of toilet paper, but the name of the diapers is still applicable.
The paper diaper is generally composed of an upper front waist bundle, a rear waist bundle and a paper diaper main body, is a nursing product designed for infants, middle-aged and elderly patients suffering from urinary incontinence and paralysis, can keep dry and comfortable after the urination and defecation of users, is beneficial to improving the sleep quality, and can provide great benefit for the users. Based on the characteristics of convenience and quickness of the paper diapers, the application range of the paper diapers is wider and wider, and the use quantity of the paper diapers is continuously increased.
At present, paper diapers in the market are of various varieties, but most paper diapers have a plurality of defects because the design and materials adopted by the paper diapers are not very good, and most paper diapers in the market still have certain defects, and the existing paper diaper surface layers are absorbed and stored in the core layers after being contacted with urine. Because the surface layer non-woven fabric is hydrophilic, after urine is absorbed, the skin still has a moist feeling when contacting with the surface layer. Especially after urination for many times, urine can be reversely permeated, and the urine reversely permeates from the core layer to the surface layer, so that the surface layer is moist, the wearing comfort is affected, and the skin health of an infant is not good under a moist environment.
Disclosure of Invention
The utility model aims to overcome at least one defect (deficiency) of the prior art and provides an anti-reverse osmosis absorber and a paper diaper, which can prevent liquid from reverse osmosis to a surface layer, keep the surface layer dry and comfortable and improve wearing comfort.
In order to solve the technical problems, the first aspect of the present utility model provides an anti-reverse osmosis absorber, which sequentially comprises a surface layer, a porous material layer, a covering layer, a core layer, a ventilation layer and a bottom layer from top to bottom, wherein the surface layer is provided with a plurality of macropores, the porous material layer is provided with a plurality of mesopores, the covering layer is provided with a plurality of small holes, the macropores, the mesopores and the small holes are combined from top to bottom to form a diversion hole, and the diversion hole has a structure with a large top and a small bottom.
According to the reverse osmosis prevention absorber, the plurality of macropores are formed in the surface layer, the plurality of mesopores are formed in the porous material layer, the plurality of small holes are formed in the covering layer, the macropores, the mesopores and the small holes are combined from top to bottom to form the guide holes with the structures of big ends up, liquid can quickly permeate into the small holes from the macropores, otherwise, the liquid can permeate into the core layer from the surface layer when the surface layer contacts with the liquid, the liquid of the core layer is difficult to permeate into the surface layer from the lower side of the surface layer, so that the surface layer is kept dry and comfortable, and the wearing comfort is improved.
Further, in order to realize that the big holes, the middle holes and the small holes can be combined from top to bottom to form the diversion holes, the big holes, the middle holes and the small holes are respectively arranged correspondingly or in a staggered way.
Further, in order to facilitate better forming of a diversion hole with a large upper part and a small lower part, and difficult reverse osmosis, the big hole on the surface layer is a millimeter-sized hole diameter, the small hole on the porous material is a sub-millimeter-sized hole diameter, and the small hole on the covering layer is a micrometer-sized hole diameter.
Further, the material of surface course is hydrophilic non-woven fabrics, conveniently absorbs liquid, the macropores of surface course adopt the punching technology to punch.
Further, the porous material layer is one of a woven material or a porous film with uniform pore diameters.
The woven material is a porous textile material, and the porous film has the characteristics of high permeation speed, dryness and the like, so that the porous film is often applied to an absorbent product to be used as a surface layer and a diversion layer. When the porous film is used as a diversion layer of an absorbent product, liquid passes through the surface layer to reach the porous film, and the porous film can play roles in temporarily storing body fluid and expanding the permeation area. The porous film is used as a porous material layer and is arranged between the surface layer and the covering layer, so that rapid infiltration of liquid is facilitated.
Further, the cover layer is a microporous membrane. The microporous membrane is a porous membrane with the pore diameter of 5.0 nanometers-1.0 millimeter, and is covered on various fabrics and base materials by a special process to form a novel filter material. The microporous membrane is adopted as the covering layer, so that the rapid infiltration of liquid is facilitated, the microporous membrane is matched with the mesopores of the porous material layer, and the reverse infiltration of the liquid is prevented.
Further, the core layer can absorb liquid and lock the liquid, so that the effect of storing the liquid is achieved, the condition that the liquid continuously diffuses outwards is reduced, the absorbability of the absorber is improved, the dryness of the paper diaper is ensured, and the comfortableness of the paper diaper is improved.
Further, the breathable layer is a PE breathable film, and is breathable and impermeable.
Further, the bottom layer is hydrophobic non-woven fabric, so that water leakage is prevented.
The second aspect of the utility model provides a paper diaper, which comprises an absorber, a front waist part and a rear waist part, wherein two ends of the absorber are respectively connected with the front waist part and the rear waist part, and the absorber is the reverse osmosis preventing absorber.
Compared with the prior art, the utility model has the beneficial effects that: the utility model provides an absorber of preventing reverse osmosis and have panty-shape diapers of absorber sets up the water conservancy diversion hole on the absorber, because macropore, mesopore, aperture from the top down combination form big-end-up's water conservancy diversion hole, can realize that liquid permeates from the macropore to the aperture, otherwise then difficult from aperture infiltration to the macropore, when the surface course contact liquid, liquid can permeate the sandwich layer from the surface course down, and the liquid of sandwich layer is difficult to reverse osmosis to the surface course to keep the surface course dry and comfortable, increase the comfort of wearing.
Drawings
The drawings are for illustrative purposes only and are not to be construed as limiting the present solution; for better illustration of the present solution, some parts of the figures may be omitted, enlarged or reduced, and do not represent the dimensions of the actual product; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted; the positional relationship described in the drawings is for illustrative purposes only and is not to be construed as limiting the present solution.
Fig. 1 is a schematic structural view of an absorber of the present utility model.
Fig. 2 is a schematic structural view of a core layer of the absorber of the present utility model.
Fig. 3 is a schematic structural view of the diaper according to the present utility model.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.
Example 1
As shown in fig. 1-2, the present embodiment provides an anti-reverse osmosis absorber, the absorber 1 includes a surface layer 11, a porous material layer 12, a cover layer 13, a core layer 14, a ventilation layer 15 and a bottom layer 16 sequentially from top to bottom, a plurality of macropores are provided on the surface layer 11, a plurality of mesopores are provided on the porous material layer 12, a plurality of micropores are provided on the cover layer 13, the macropores, mesopores and micropores are combined from top to bottom to form a diversion hole 17, wherein the diversion hole 17 is in a structure with a large upper part and a small lower part, the macropores, mesopores and micropores are respectively correspondingly arranged or are staggered, and in the embodiment, the anti-reverse osmosis absorber provided in the present embodiment is in a structure with a large upper part and a small lower part, because each macropore, mesopore and micropore can be combined from top to bottom, so that liquid can permeate from the macropores to the micropores, otherwise difficult to permeate from the micropores to the micropores, when the surface layer contacts with liquid, the liquid can permeate from the surface layer to the core layer from the macropores to the core layer, and thus the liquid can hardly permeate from the surface layer to the core layer, and the anti-reverse osmosis absorber is difficult to keep the comfort of wearing of the surface layer.
Specifically, in this embodiment, the macropores on the surface layer of the absorber are millimeter-sized pores, the pore diameter is 2-3.5 mm, the pores on the porous material are sub-millimeter-sized pores, the pore diameter is 0.2-1.0 mm, the pores on the covering layer are micrometer-sized pores, and the pore diameter of the pores is 0.8-1.5 μm, so that the upper-sized and lower-sized diversion holes can be better formed.
The surface layer 11 is in contact with skin, is made of hydrophilic non-woven fabric, is used as a surface layer of an absorber, is convenient for absorbing liquid, is soft and comfortable, and increases wearing experience.
Specifically, the macropores of the surface layer 11 are perforated by a perforation process.
Specifically, the porous material layer 12 is a woven material with uniform pore size, wherein the woven material is a porous woven material.
Specifically, the cover layer 13 is a microporous membrane. The microporous membrane is a porous membrane with a pore size of between 5.0 nanometers and 1.0 millimeter. The pore diameter of the microporous membrane in the embodiment is 0.8-1.5 mu m, the microporous membrane is covered on various fabrics and base materials by a special process to form a novel filtering material, the pore diameter of the membrane is small, the distribution is uniform, the porosity is large, all dust particles including bacteria can be filtered while air circulation is kept, the purposes of purification and ventilation are achieved, the microporous membrane is adopted as a covering layer to facilitate rapid infiltration of liquid, and the microporous membrane is matched with the middle holes of a porous material layer to prevent reverse osmosis of the liquid.
Specifically, the core layer 14 can absorb and lock the liquid, and plays a role in storing the liquid, and reduces the condition that the liquid continues to diffuse outwards, so that the water absorption of the absorber is improved, the dryness of the diaper is ensured, and the comfort of the diaper is improved.
Specifically, the core layer 14 includes a first fluff pulp layer 141, a middle absorbent layer 142 and a second fluff pulp layer 143 sequentially stacked from top to bottom, the fluff pulp has longer fibers, and the fibers are strong, soft, high in water absorption, and rapid in diffusion, so that the diffusion speed of liquid can be accelerated, the time for the liquid to reach the water absorption layer is further shortened, but the fluff pulp has poor water locking performance, therefore, the middle absorbent layer 142 is arranged between the first fluff pulp layer 141 and the second fluff pulp layer 143, and the middle absorbent layer 142 is made of a high molecular water absorbent resin, and the high molecular water absorbent resin is a typical functional high molecular material, namely SAP (super absorbent polymer) which can absorb hundreds of times, even thousands of times of the weight of the fluff pulp and has strong water retention capacity.
Specifically, the breathable layer 15 is a PE breathable film, which is a breathable and waterproof polyethylene polymer material, and has soft skin-friendly property, high tensile strength and good moisture permeability, so that the breathability of the absorbent body is good.
Specifically, the bottom layer 16 is a hydrophobic nonwoven fabric, and the hydrophobic nonwoven fabric is mainly a hydrophobic substance or a hydrophobic material containing a hydrophobic group, so that the liquid cannot permeate out, and is not wet after being soaked in water, and the bottom layer serving as a bottom layer of the diaper can prevent liquid leakage.
Example 2
Unlike example 1, the porous material layer 12 in this example was a porous film. The porous film has the characteristics of high permeation speed, dryness and the like, so that the porous film is often applied to an absorbent product to be used as a surface layer and a diversion layer. When the porous film is used as a diversion layer of an absorbent product, body fluid passes through the surface layer to reach the porous film, and the porous film can play roles in temporarily storing the body fluid and expanding the permeation area. In this embodiment, the porous film is used as the porous material layer and is disposed between the surface layer and the cover layer, which is beneficial to rapid infiltration of liquid.
Example 3
A paper diaper comprises an absorber 1, a front waist part 2 and a rear waist part 3, wherein two ends of the absorber 1 are respectively connected with the front waist part 2 and the rear waist part 3, and the absorber 1 is the reverse osmosis preventing absorber.
Further, both ends of the front waist part 2 and the rear waist part 3 are provided with magic tapes 4 for bonding and fixing the front waist part 2 and the rear waist part 3, so that the diaper is convenient to wear.
The paper diaper provided by the scheme has the anti-reverse osmosis absorber of the embodiment 1, and the guide holes with the structures of big top and small bottom are arranged on the absorber, so that liquid can permeate from the big holes to the small holes, otherwise, the liquid is difficult to permeate from the small holes to the big holes, when the surface layer contacts with the liquid, the liquid can permeate from the surface layer to the core layer, and the liquid of the core layer is difficult to permeate to the surface layer reversely, so that the surface layer is kept dry and comfortable, and the wearing comfort is improved.
When the diaper is worn, the magic tapes at the two ends of the front waist part and the rear waist part are adhered and fixed, the diaper is worn on a baby, when the baby produces urine, when the surface layer contacts the liquid, the surface layer is provided with a plurality of macropores, the porous material layer is provided with a plurality of mesopores, the covering layer is provided with a plurality of micropores, the macropores, the mesopores and the micropores are combined from top to bottom to form a diversion hole with a big-end-up structure, the liquid permeates from the macropores to the micropores, namely, the liquid permeates from the surface layer to the core layer, otherwise, the liquid of the core layer is difficult to permeate from the micropores to the macropores, so that the liquid of the core layer is difficult to reversely permeate to the surface layer, the dryness of the surface layer is maintained, and the wearing comfort is improved.
It should be understood that the foregoing examples of the present utility model are merely illustrative of the present utility model and are not intended to limit the present utility model to the specific embodiments thereof. Any modification, equivalent replacement, improvement, etc. that comes within the spirit and principle of the claims of the present utility model should be included in the protection scope of the claims of the present utility model.
Claims (10)
1. The utility model provides an anti-reverse osmosis's absorber, its characterized in that, absorber (1) from the top down includes surface course (11), porous material layer (12), overburden (13), core layer (14), ventilative layer (15) and bottom (16) in proper order, be provided with a plurality of macropores on surface course (11), porous material layer (12) are provided with a plurality of mesopores, be provided with a plurality of apertures on overburden (13), macropore, mesopore, aperture from the top down make up and form water conservancy diversion hole (17), water conservancy diversion hole (17) are big-end-up's structure.
2. The reverse osmosis prevention absorber according to claim 1, wherein the large holes, the medium holes and the small holes are respectively arranged correspondingly or in a staggered manner.
3. The reverse osmosis resistant absorber of claim 1, wherein the macropores in the facing layer are millimeter-sized pores, the micropores in the porous material are sub-millimeter-sized pores, and the micropores in the covering layer are micron-sized pores.
4. An anti-reverse osmosis absorbent body according to claim 1, characterized in that the material of the facing layer (11) is a hydrophilic nonwoven.
5. An anti-reverse osmosis absorbent body according to claim 1, characterized in that the macropores of the facing layer (11) are perforated by a perforation process.
6. The reverse osmosis resistant absorber according to claim 1, wherein the porous material layer (12) is one of a woven material or a porous film having uniform pore size.
7. An anti-reverse osmosis absorbent body according to claim 1, characterized in that the cover layer (13) is a microporous membrane.
8. An anti-reverse osmosis absorbent body according to claim 1, characterized in that the breathable layer (15) is a PE breathable film.
9. An anti-reverse osmosis absorbent according to claim 1, characterized in that the bottom layer (16) is a hydrophobic nonwoven.
10. A paper diaper comprising an absorber (1), a front waist (2) and a rear waist (3), wherein both ends of the absorber (1) are respectively connected with the front waist (2) and the rear waist (3), and the paper diaper is characterized in that the absorber (1) is an anti-reverse osmosis absorber according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222426924.0U CN219375201U (en) | 2022-09-13 | 2022-09-13 | Reverse osmosis-preventing absorber and paper diaper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222426924.0U CN219375201U (en) | 2022-09-13 | 2022-09-13 | Reverse osmosis-preventing absorber and paper diaper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219375201U true CN219375201U (en) | 2023-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222426924.0U Active CN219375201U (en) | 2022-09-13 | 2022-09-13 | Reverse osmosis-preventing absorber and paper diaper |
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| Country | Link |
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| CN (1) | CN219375201U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117547411A (en) * | 2023-12-18 | 2024-02-13 | 露乐健康科技股份有限公司 | Flow guide unit applied to absorbent article, flow guide layer, absorbent core and corresponding absorbent article |
-
2022
- 2022-09-13 CN CN202222426924.0U patent/CN219375201U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117547411A (en) * | 2023-12-18 | 2024-02-13 | 露乐健康科技股份有限公司 | Flow guide unit applied to absorbent article, flow guide layer, absorbent core and corresponding absorbent article |
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