CN209253358U - A kind of sandwich structure paper diaper absorptive core - Google Patents
A kind of sandwich structure paper diaper absorptive core Download PDFInfo
- Publication number
- CN209253358U CN209253358U CN201820349376.7U CN201820349376U CN209253358U CN 209253358 U CN209253358 U CN 209253358U CN 201820349376 U CN201820349376 U CN 201820349376U CN 209253358 U CN209253358 U CN 209253358U
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- Prior art keywords
- layer
- paper diaper
- absorptive core
- conducting shell
- water lock
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 58
- 239000002250 absorbent Substances 0.000 claims abstract description 43
- 239000000463 material Substances 0.000 claims abstract description 42
- 230000002745 absorbent Effects 0.000 claims abstract description 41
- 229920000642 polymer Polymers 0.000 claims abstract description 36
- 229920001131 Pulp (paper) Polymers 0.000 claims abstract description 31
- 229920002678 cellulose Polymers 0.000 claims abstract description 31
- 239000001913 cellulose Substances 0.000 claims abstract description 31
- 239000002131 composite material Substances 0.000 claims abstract description 13
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 3
- 229920001577 copolymer Polymers 0.000 claims description 3
- 239000010410 layer Substances 0.000 abstract description 117
- 239000007788 liquid Substances 0.000 abstract description 16
- 239000002344 surface layer Substances 0.000 abstract description 11
- 238000010521 absorption reaction Methods 0.000 abstract description 7
- 239000004615 ingredient Substances 0.000 abstract description 5
- 238000013329 compounding Methods 0.000 abstract description 2
- 229920002521 macromolecule Polymers 0.000 description 5
- 238000001223 reverse osmosis Methods 0.000 description 4
- 206010020751 Hypersensitivity Diseases 0.000 description 3
- 208000026935 allergic disease Diseases 0.000 description 3
- 230000007815 allergy Effects 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 210000002700 urine Anatomy 0.000 description 3
- 239000004831 Hot glue Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 229920002334 Spandex Polymers 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000012792 core layer Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000004759 spandex Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
Landscapes
- Absorbent Articles And Supports Therefor (AREA)
Abstract
The utility model relates to a kind of sandwich structure paper diaper absorptive cores, including water lock layer (11), conducting shell (12) and absorbed layer (13), wherein, the water lock layer (11) is set to the upper surface of the conducting shell (12), and the conducting shell (12) is set to the upper surface of the absorbed layer (13).The utility model sets absorptive core on the composite water absorbing layer being made of with three layers the wood pulp cellulose of different materials and polymer absorbent material, and, three layers of composite water absorbing layer of the utility model are different due to the compounding ingredients of wood pulp cellulose, with different rate of water absorption and water absorption, it ensure that paper diaper absorptive core can quickly absorb liquid in top layer and lock moisture, the lesser polymer absorbent material of partial size is set as with preferable conductibility positioned at the conducting shell of middle layer, it can be quickly by liquid conductive to absorbed layer, guarantee the dry and comfortable degree of the facing surface of paper diaper, the phenomenon that preventing paper diaper surface layer the occurrence of wetness.
Description
Technical field
The utility model relates to amenities technical field more particularly to a kind of sandwich structure paper diaper absorptive cores.
Background technique
The advantages that paper diaper product is convenient, healthy, comfortable by its, rapidly instead of the status of conventional diaper.According to the tenth
The report of international symposium claims in nine paper for daily use International Technology exhibitions and meeting, China's baby paper diaper overall consumption in 2011
Amount is 184.6 hundred million yuan, than the 39.8% of the domestic total sales volume that last year increases by 27.7%, Zhan Dangnian absorbent article.With
The raising of living standards of the people, people increasingly approve that paper diaper act on the care of baby.
Paper diaper are that a liquid being set up by multi-layer nonwoven material inhales control system, mainly by surface layer, guide layer,
Absorbent core layer, counterdie, leg mouth lateral leakage protection side, velcro, spandex thread and by various pieces be bonded to hot melt adhesive together bonding
Agent is combined.Paper diaper product selects improper or improper use, and baby is easy to appear allergy and eruption problem.For paper diaper
For, core is the most important part of paper diaper, and the baby paper diaper of conventionally employed wood pulp cellulose core commonly exists and absorbs lock
The disadvantages of aqueous poor, poor air permeability, it can no longer meet present consumer demand.Therefore, paper diaper absorptive core is changed
One of the direction of research and development is endeavoured into always paper diaper field.
Utility model content
Deficiency based on the prior art, the utility model provide a kind of novel sandwich structure paper diaper absorbent cores
Body, the utility model fully take into account current traditional paper diaper absorptive core and are unable to satisfy uptake and suction only with wood pulp cellulose
Absorptive core is set as being made of the wood pulp cellulose of different proportion with polymer absorbent material with three layers by the requirement for receiving rate
Composite layer.In addition, the sandwich structure composite layer of the utility model has difference since the compounding ingredients of wood pulp cellulose are different
Rate of water absorption and water absorption, ensure that paper diaper absorptive core can quickly absorb liquid in top layer and lock moisture, be located at
The conducting shell of middle layer is set as the lesser polymer absorbent material of partial size with preferable conductibility, can quickly pass liquid
The phenomenon that being directed at absorbed layer, guaranteeing the dry and comfortable degree of the facing surface of paper diaper, prevent paper diaper surface layer the occurrence of wetness.Specifically such as
Under:
The utility model provides a kind of sandwich structure paper diaper absorptive core, the absorptive core include water lock layer,
Conducting shell and absorbed layer, wherein the water lock layer is set to the upper surface of the conducting shell, and the conducting shell is set to the suction
Receive the upper surface of layer.
According to a kind of preferred embodiment, the water lock layer, conducting shell and absorbed layer are comprising wood pulp cellulose and height
The composite layer of molecule water-absorbent material, wherein the polymer absorbent material is acrylic acid and acrylate copolymer.
According to a kind of preferred embodiment, the water lock layer has first concave-convex to tie with the surfaces of the conductive layer contacts
Structure, first concaveconvex structure are that multiple arcs protrusion and arc-shaped depression portion are staggered to form.
According to a kind of preferred embodiment, the absorbed layer has second concave-convex to tie with the surfaces of the conductive layer contacts
Structure, second concaveconvex structure are that multiple arcs protrusion and arc-shaped depression portion are staggered to form.
According to a kind of preferred embodiment, the overall thickness of the absorptive core is the 1/10~1/ of paper diaper core thickness
20。
According to a kind of preferred embodiment, the thickness of the water lock layer is the 1/5~1/3 of absorptive core thickness.
According to a kind of preferred embodiment, the conducting shell with a thickness of the 1/4~1/3 of absorptive core thickness.
According to a kind of preferred embodiment, the absorbed layer with a thickness of the 1/3~11/20 of absorptive core thickness.
According to a kind of preferred embodiment, the wood pulp cellulose that includes in the water lock layer and polymer absorbent material it is compound
Ratio is 68:32~7:3；The compositely proportional of the wood pulp cellulose and polymer absorbent material that include in the conducting shell be 1:1~
59:41；The compositely proportional of the wood pulp cellulose and polymer absorbent material that include in the absorbed layer is 3:7~32:68.
According to a kind of preferred embodiment, the macromolecule for the water lock layer, the conducting shell and the absorbed layer is inhaled
The partial size of water material is different, wherein the polymer absorbent material partial size for the conducting shell, which is less than, is used for water lock layer and absorption
The partial size of the polymer absorbent material of layer.
The advantageous effects of the utility model are:
The utility model sets absorptive core to the composite layer of 3 layers of polymer absorbent material and wood pulp cellulose, on the one hand
It ensure that absorptive core can have good absorption rate and gas permeability.In addition, wooden in three layers of composite layer of the utility model
Pulp fibres are different from the compound composition of polymer absorbent material, the compound ratio of wood pulp cellulose and polymer absorbent material in water lock layer
Example is greater than conducting shell, guarantees that water lock layer infiltration rate is fast, water lock is good；Wood pulp cellulose and polymer absorbent material in conducting shell
Compositely proportional is greater than absorbed layer, guarantees that conducting shell has good conduction velocity, high molecular content is relatively high in absorbed layer
It ensure that absorptive core bottom has big uptake, to ensure that the absorptive core of paper diaper is not easy after absorption of liquid
To paper diaper surface layer there is a phenomenon where reverse osmosis, it ensure that paper diaper surface layer has preferable dry and comfortable degree, prevent baby from occurring red
The probability of wind wind and allergy.In addition, the utility model is equal by the surface of water lock layer surface and absorbed layer with conductive layer contacts
Provided with concaveconvex structure, so as to increase the contact area of conducting shell and water lock layer and absorbed layer and conducting shell, favorably
In conducting shell as early as possible from water lock layer by liquid conductive absorbed layer, it is further ensured that surface layer has good dry and comfortable degree.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the utility model sandwich structure paper diaper absorptive core；
Fig. 2 is a kind of structural representation of preferred embodiment of the utility model sandwich structure paper diaper absorptive core
Figure.
11- water lock layer in figure；12- conducting shell；13- absorbed layer；11 '-the first concaveconvex structures；13 '-the second concaveconvex structures.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, below by the technology to the utility model
Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Obtained all other embodiment is put, the range that the utility model is protected is belonged to.
Embodiment 1
Present embodiments provide a kind of sandwich structure paper diaper absorptive core.Referring to Fig. 1.The paper diaper of the utility model
Absorptive core includes water lock layer 11, conducting shell 12 and absorbed layer 13.Wherein, water lock layer 11 is set to the upper surface of conducting shell 12.
Conducting shell 12 is set to the upper surface of absorbed layer 13."upper" described in the utility model or " upper surface " refer to that absorptive core makes
Used time is towards the direction of human skin.Therefore, the application is inhaled from the surface layer that paper diaper are contacted with human skin to the direction of bottom
It receives core and is followed successively by water lock layer 11, conducting shell 12 and absorbed layer 13.That is, the close paper urine of absorptive core is arranged in water lock layer 11
The side of the close paper diaper bottom of absorptive core is arranged in the side of trousers surface layer, absorbed layer 13, and conducting shell 12 is arranged in water lock
Between layer 11 and absorbed layer 13.Preferably, it is bonded between layers by hot melt adhesive in the absorptive core of the utility model.
Further, water lock layer 11, conducting shell 12 and absorbed layer 13 are respectively comprising wood pulp cellulose and macromolecule water uptake
The composite material of material.Wherein, polymer absorbent material can be acrylic acid and acrylate copolymer.Referring to fig. 2, further
, the surface of water lock layer 11 contacted with conducting shell 12 has the first concaveconvex structure 11 '.Preferably, the first concaveconvex structure 11 ' is
Multiple arcs protrusion and arc-shaped depression portion are staggered to form, i.e. water lock layer 11 is designed as waveform with the contact surface of conducting shell 12 and contacts
Face.To further increase the contact area of water lock layer 11 Yu conducting shell 12, to keep conducting shell 12 as much as possible to water lock
Liquid in layer is conducted.Further, the surface of absorbed layer 13 contacted with conducting shell 12 has the second concaveconvex structure
13'.Preferably, the second concaveconvex structure 13 ' is that multiple arcs protrusion and arc-shaped depression portion are staggered to form, i.e. conducting shell 12 and absorbed layer
13 contact surface is designed as waveform contact surface, to increase the contact area of absorbed layer 13 Yu conducting shell 12, makes absorbed layer 13
Liquid in Assimilation and conductivity layer as much as possible.
Further, the compositely proportional of wood pulp cellulose and polymer absorbent material is 68:32~7:3 in water lock layer 11.It is excellent
Choosing, the compositely proportional of wood pulp cellulose and polymer absorbent material is 68:32 in water lock layer 11；Preferably, wooden in water lock layer 11
The compositely proportional of pulp fibres and polymer absorbent material is 7:3.It preferably, is touching for the polymer absorbent material of water lock layer 11
Matchmaker's macromolecule.It is higher for wood pulp cellulose ratio in the wood pulp cellulose of water lock layer 11 and the composite layer of polymer absorbent material, it can
So that the water lock layer sense of touch of absorptive core is softer.And catalyst polymeric absorbent speed is relatively good, water lock better performances.
To guarantee that absorptive core can quickly be absorbed into absorptive core to the liquid of paper diaper surface layer, and water lock layer can also lock
Positioned at the conducting shell of its lower surface and the liquid of absorbed layer, prevent it to the reverse osmosis of paper diaper surface layer.
Further, the compositely proportional of the wood pulp cellulose and polymer absorbent material that include in conducting shell 12 is 1:1~59:
41.Preferably, the compositely proportional of wood pulp cellulose and polymer absorbent material is 1:1 in conducting shell 12.Preferably, in conducting shell 12
The compositely proportional of wood pulp cellulose and polymer absorbent material is 59:41.Preferably, the polymer absorbent material for conducting shell 12
For BASF macromolecule.It preferably, is polygon for the shape of the polymer absorbent material of conducting shell 12.Preferably, it is used for
The polymer absorbent material partial size of conducting shell 12 is less than the partial size of the polymer absorbent material for water lock layer 11 and absorbed layer 13,
To make conducting shell 12 that there is good conductibility, quickly to conduct the moisture lockked in water lock layer 11 to absorbed layer 13.
Further, the compositely proportional of the wood pulp cellulose and polymer absorbent material that include in absorbed layer 12 is 3:7~32:
68.Preferably, the compositely proportional of wood pulp cellulose and polymer absorbent material is 3:7 in absorbed layer 12.Preferably, in absorbed layer 12
The compositely proportional of wood pulp cellulose and polymer absorbent material is 32:68.Preferably, the polymer absorbent material for absorbed layer 12
For Sumitomo macromolecule.Relative to water lock layer 11 and conducting shell 12, the ratio of wood pulp cellulose in the composite layer component ratio of absorbed layer 13
Example is relatively fewer, and the ingredient of polymer absorbent material is relatively more, thereby may be ensured that absorbed layer 12 has biggish uptake,
The liquid or urine for guaranteeing paper diaper facing surface can be absorbed core and all absorb as far as possible, to guarantee paper diaper face
The dry and comfortable degree of layer.Moreover, absorbed layer 12 have biggish uptake be also possible to prevent liquid to paper diaper surface occur it is reverse osmosis
The phenomenon that.
Preferably, the wood pulp cellulose ingredient for the water lock layer 11 of the utility model, conducting shell 12 and absorbed layer 13 can be with
It is identical.Preferably, the wood pulp cellulose of the utility model can be Weyerhaeuser wood pulp cellulose.
Further, the overall thickness of absorptive core is the 1/10~1/20 of paper diaper core thickness.Preferably, water lock layer 11
Thickness be the 1/5~1/3 of absorptive core thickness.Preferably, conducting shell 12 with a thickness of the 1/4~1/3 of absorptive core thickness.
Preferably, absorbed layer 13 with a thickness of the 1/3~11/20 of absorptive core thickness.
The absorptive core for paper diaper of the utility model is provided with three layers of composite layer with different composite ratio, more
It has mended in the prior art using defect of the wood pulp cellulose core as paper diaper absorptive core.And water lock layer, conducting shell and suction
It receives layer to be arranged in the way of wood pulp cellulose ingredient from top to bottom successively reduction, so as to so that being located at the water lock layer on upper layer has
Preferable flexibility and water lock；Conducting shell positioned at middle layer has preferable liquid conductivity, to absorb upper layer water lock layer
Moisture be quickly guided to absorbed layer；Absorbed layer positioned at lower layer has biggish uptake, guarantees the liquid of paper diaper surface layer
Body is all absorbed into absorbed layer, and prevents the reverse osmosis phenomenon of liquid or urine, guarantees the absorbent cores for using the utility model
The paper diaper of body are dry and comfortable enough, ventilative, reduce baby and the probability of allergy and red wind wind occur.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.
Claims (9)
1. a kind of sandwich structure paper diaper absorptive core, which is characterized in that the absorptive core includes water lock layer (11), conduction
Layer (12) and absorbed layer (13), wherein the water lock layer (11) is set to the upper surface of the conducting shell (12), the conducting shell
(12) it is set to the upper surface of the absorbed layer (13).
2. sandwich structure paper diaper absorptive core according to claim 1, which is characterized in that the water lock layer (11),
Conducting shell (12) and absorbed layer (13) are the composite layer comprising wood pulp cellulose and polymer absorbent material, wherein the height
Molecule water-absorbent material is acrylic acid and acrylate copolymer.
3. sandwich structure paper diaper absorptive core according to claim 2, which is characterized in that the water lock layer (11)
The surface contacted with the conducting shell (12) has the first concaveconvex structure (11 '), and first concaveconvex structure (11 ') is multiple arcs
Shape protrusion and arc-shaped depression portion are staggered to form.
4. sandwich structure paper diaper absorptive core according to claim 2, which is characterized in that the absorbed layer (13)
The surface contacted with the conducting shell (12) has the second concaveconvex structure (13 '), and second concaveconvex structure (13 ') is multiple arcs
Shape protrusion and arc-shaped depression portion are staggered to form.
5. sandwich structure paper diaper absorptive core according to claim 3 or 4, which is characterized in that the absorptive core
Overall thickness be paper diaper core thickness 1/10~1/20.
6. sandwich structure paper diaper absorptive core according to claim 5, which is characterized in that the water lock layer (11)
Thickness is the 1/5~1/3 of absorptive core thickness.
7. sandwich structure paper diaper absorptive core according to claim 6, which is characterized in that the conducting shell (12)
With a thickness of the 1/4~1/3 of absorptive core thickness.
8. sandwich structure paper diaper absorptive core according to claim 7, which is characterized in that the absorbed layer (13)
With a thickness of the 1/3~11/20 of absorptive core thickness.
9. sandwich structure paper diaper absorptive core according to claim 8, which is characterized in that be used for the water lock layer
(11), the conducting shell (12) is different with the partial size of polymer absorbent material of the absorbed layer (13), wherein is used for the biography
The polymer absorbent material partial size of conducting shell (12) is less than for the polymer absorbent material of water lock layer (11) and absorbed layer (13)
Partial size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820349376.7U CN209253358U (en) | 2018-03-14 | 2018-03-14 | A kind of sandwich structure paper diaper absorptive core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820349376.7U CN209253358U (en) | 2018-03-14 | 2018-03-14 | A kind of sandwich structure paper diaper absorptive core |
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| Publication Number | Publication Date |
|---|---|
| CN209253358U true CN209253358U (en) | 2019-08-16 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110680620A (en) * | 2019-11-05 | 2020-01-14 | 湖州唯可新材料科技有限公司 | 3D composite core body for hygienic product |
| CN111772940A (en) * | 2020-08-21 | 2020-10-16 | 湖南贝恩叮当猫婴童用品有限公司 | Paper diaper absorbs core |
| CN114404150A (en) * | 2021-12-16 | 2022-04-29 | 安徽艾芙特健康护理用品有限公司 | Male and female adult diaper with absorption performance improved through polymer positioning |
| CN114948450A (en) * | 2022-05-24 | 2022-08-30 | 山东爸爸的选择健康科技有限公司 | Fast-diffusion and anti-accumulation absorption core |
| CN115670803A (en) * | 2022-12-30 | 2023-02-03 | 露乐健康科技股份有限公司 | Breathable baby diaper helpful for preventing hip atopic dermatitis |
-
2018
- 2018-03-14 CN CN201820349376.7U patent/CN209253358U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110680620A (en) * | 2019-11-05 | 2020-01-14 | 湖州唯可新材料科技有限公司 | 3D composite core body for hygienic product |
| CN111772940A (en) * | 2020-08-21 | 2020-10-16 | 湖南贝恩叮当猫婴童用品有限公司 | Paper diaper absorbs core |
| CN114404150A (en) * | 2021-12-16 | 2022-04-29 | 安徽艾芙特健康护理用品有限公司 | Male and female adult diaper with absorption performance improved through polymer positioning |
| CN114948450A (en) * | 2022-05-24 | 2022-08-30 | 山东爸爸的选择健康科技有限公司 | Fast-diffusion and anti-accumulation absorption core |
| CN115670803A (en) * | 2022-12-30 | 2023-02-03 | 露乐健康科技股份有限公司 | Breathable baby diaper helpful for preventing hip atopic dermatitis |
| WO2024139636A1 (en) * | 2022-12-30 | 2024-07-04 | 露乐健康科技股份有限公司 | Breathable infant diaper helpful for preventing buttock atopic dermatitis |
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