CN210078061U - High-breathability disposable absorbent product - Google Patents
High-breathability disposable absorbent product Download PDFInfo
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- CN210078061U CN210078061U CN201920265258.2U CN201920265258U CN210078061U CN 210078061 U CN210078061 U CN 210078061U CN 201920265258 U CN201920265258 U CN 201920265258U CN 210078061 U CN210078061 U CN 210078061U
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Abstract
The utility model relates to a high-permeability disposable absorption product, which comprises a liquid-permeable top layer, a liquid-impermeable side leakage-proof layer and a liquid-impermeable bottom layer, and an absorption core arranged between the liquid-permeable top layer and the liquid-impermeable bottom layer, wherein the liquid-impermeable bottom layer is made of highly breathable liquid-impermeable sheet material, the highly breathable liquid-impermeable sheet material comprises at least one layer of superfine fiber breathable water-proof net layer, through holes for communicating the surface layer and the bottom layer of the superfine fiber breathable water-proof net layer are arranged between the fibers in the superfine fiber breathable water-proof net layer and the adjacent fibers, the size of the through holes is 0.5-10 mu m, one side surface of the superfine fiber breathable water-proof net layer close to the absorption core is provided with a humidity color-changing coating, the humidity color-changing coatings are arranged at intervals along the center of the superfine fiber breathable water-proof net layer in the transverse width and extend to the two longitudinal ends of the superfine fiber breathable water-proof net layer in the longitudinal length. The utility model discloses have excellent moisture proof ventilation effect.
Description
Technical Field
The utility model relates to the technical field of disposable sanitary products, in particular to a highly breathable disposable absorption product.
Background
Infants and other incontinent individuals often wear disposable absorbent articles such as diapers, sanitary napkins, pull-ups, and the like, for the purpose of storing and isolating the discharged materials from the body, clothing, bedding, and the like of the wearer.
However, the current urine leakage prevention structure of the disposable diaper mainly includes a leakage prevention barrier (the mainstream material is a spunmelt nonwoven fabric) standing on both sides and a breathable PE film under the absorber. The breathable PE film can prevent excrement from seeping out of the bottom layer of the paper diaper, and meanwhile, the surface micropores can penetrate water vapor to achieve a certain breathable effect. However, the breathability of breathable PE films has the following drawbacks: the surface micropores can only penetrate through water vapor in a gasification state, and can still obstruct water mist in a small droplet state; meanwhile, due to the limitation of the production process, the average value of the moisture permeability (water vapor permeability at 40 ℃ and 60% humidity) of the breathable PE film is 3200 g/square meter/24 h, and the upper limit value is 5500 g/square meter/24 h, so that the breathable effect of the breathable PE film in the actual use scene is not obvious. The breathability of absorbent articles is improved, the feeling of stuffiness can be greatly reduced, and the comfort of users is directly improved, so that many companies are dedicated to designing more breathable absorbent articles.
The utility model aims to use the superfine fiber net layer (sheet) with better moisture-proof and air-permeable effects as the main moisture-proof material of the paper diaper, and replace the air-permeable PE film of the current mainstream. This net piece reaches filtration or the liquid filter medium level's filter effect, solve the present situation that only gasification water can only pierce through the PE membrane at present, make gasification water, atomizing water, the high-efficient liquid-tight bottom that pierces through disposable absorbent article of hot-air ability, and the big liquid drop that the concentration is high, liquid can't pierce through the bottom under conventional atmospheric pressure, in the in-service use, can obviously carry out the air exchange through internal environment and outside, the inside steam of disposable absorbent article is obviously got rid of, moisture, improve disposable absorbent article's use and experience.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a disposable absorption goods with excellent moisture-proof ventilation effect for gasified water, atomized water, hot-air can high-efficiently pierce through disposable absorption goods's liquid-tight nature bottom, with the not enough technical problem of breathable PE membrane air permeability of solution, for reaching this purpose, the utility model discloses a following technical scheme:
high ventilative disposable absorbent article, including liquid permeability top layer, liquid-tight nature side leak protection layer, liquid-tight nature bottom to and set up the absorption core between liquid permeability top layer and liquid-tight nature bottom, liquid-tight nature bottom adopts high ventilative liquid-tight nature sheet, high ventilative liquid-tight nature sheet includes the ventilative water proof stratum reticulare of superfine fiber of at least one deck be provided with the ventilative water proof stratum reticulare of intercommunication superfine fiber on the fibre in the ventilative water proof stratum reticulare 1 rather than between the adjacent fibre on the top layer of the ventilative water proof stratum reticulare and the through-hole of bottom, the through-hole size is 0.5-10 mu m.
Preferably, a humidity color-changing coating is arranged on one side surface of the superfine fiber air-permeable and water-proof net layer close to the absorption core, the humidity color-changing coating is arranged at intervals along the center of the superfine fiber air-permeable and water-proof net layer in the transverse width, and extends to the two longitudinal ends of the superfine fiber air-permeable and water-proof net layer in the longitudinal length.
Preferably, the superfine fiber breathable water-proof net layer is formed by stacking and reinforcing super-long superfine fibers to form a flaky compact net layer with uniform thickness, and the square gram weight of the flaky compact net layer is 6-18 g.
Preferably, the highly air-permeable, liquid-impermeable sheet has a two-layer structure, and is formed by fixing and connecting superfine fiber air-permeable, water-impermeable mesh layers respectively positioned at an upper layer and a lower layer by means of a binding.
Preferably, the highly air-permeable and liquid-impermeable sheet has a three-layer structure, and is formed by fixedly connecting superfine fiber air-permeable and water-impermeable net layers respectively positioned on an upper layer, a middle layer and a lower layer through binding points.
Preferably, the binding points are one of heat welding points, ultrasonic welding points and infrared welding points, the size of the binding points is 0.05-5mm, and the outline shapes of the binding points are circular, star-shaped, heart-shaped, oval, square or rectangular.
Preferably, the superfine fiber breathable water-proof net layer positioned at the lower layer is provided with a conical air hole penetrating through the surface and the bottom surface of the superfine fiber breathable water-proof net layer, and a conical bottom hole opening of the conical air hole is far away from the superfine fiber breathable water-proof net layer positioned at the upper layer.
Preferably, the air-permeable and water-proof fabric is further provided with a conical air hole penetrating through the surface of the superfine fiber air-permeable and water-proof net layer in the middle layer and the bottom surface of the superfine fiber air-permeable and water-proof net layer in the lower layer, and an opening at the conical bottom of the conical air hole is far away from the superfine fiber air-permeable and water-proof net layer in the upper layer.
Preferably, the antistatic pressure value of the high air-permeable and liquid-impermeable sheet is 50-1000mmH2O。
Preferably, the air permeability of the high air permeability liquid-tight sheet is 5500-2·24h。
As a preferable technical scheme, an ultra-soft skin-friendly fiber layer is compounded on one side of the high-permeability liquid-impermeable sheet material far away from the absorption core, and is selected from spun-bonded non-woven fabric, hot-rolled non-woven fabric, hot-air non-woven fabric, spunlaced non-woven fabric or needle-punched non-woven fabric, and the square gram weight of the ultra-soft skin-friendly fiber layer is 9-12 g.
The utility model has the advantages that:
firstly, the high-permeability disposable absorbent product has excellent anti-seepage and high-permeability technical effects, keeps high permeability of the material, has good isolation, shielding and anti-seepage performances on liquid, and has water pressure resistance of 50-1000mmH2The water vapor transmission capacity of O and water vapor reaches 5500-224h, the high-permeability disposable absorbent product can permanently obstruct liquid from permeating outwards after urine is wet, and simultaneously allows water vapor, hot air and water mist with small aggregation degree higher than the permeation quantity of the PE breathable film to penetrate through, thereby keeping dry permeability. The humidity color-changing coating arranged on the highly breathable liquid-impermeable sheet further improves the convenience and comfort of use, can clearly know the use condition of a user when using the disposable absorbent product from the outside when in use, and greatly reduces the use condition of the disposable absorbent productThe user can not replace the clothes in time after using the clothes, and the clothes are uncomfortable.
Secondly, the conical air holes can improve the air permeability of the high-air-permeability liquid-tight sheet material consisting of two or more than two superfine fiber air-permeable water-proof net layers, on one hand, the strength of the high-air-permeability liquid-tight sheet material is improved, on the other hand, the liquid leakage phenomenon can be effectively prevented, and the use safety is improved.
Finally, the utility model provides a hot wet travelling comfort when present disposable absorbent article wears is lower, the not enough of easy weeping, effectively reduces disposable absorbent article's vexed wet sense, improves the travelling comfort of wearing, has avoided the red butt phenomenon that the infant often appears in the disposable absorbent article in-process of wearing.
Drawings
Figure 1 is a schematic structural view of the high breathability disposable absorbent article of example 1.
FIG. 2 is a schematic structural view of embodiment 1 taken along A-A in FIG. 1.
Fig. 3 is a schematic view of the air permeability of the highly air-permeable, liquid-impermeable sheet of example 1.
FIG. 4 is a schematic representation of the linear pattern of the humidity-shifting coating of example 1.
FIG. 5 is a schematic representation of the striped moisture shifting coating of example 1 distributed in a dashed line.
Fig. 6 is a schematic view of the highly breathable, liquid-impermeable sheet material of the two-layer structure of example 2.
Fig. 7 is a schematic representation of the ultra-soft skin-friendly fibrous layer of example 3.
Fig. 8 is a schematic view of the highly breathable, liquid-impermeable sheet material of the two-layer structure of example 4.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
Example 1
As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the highly breathable disposable absorbent article of the present embodiment comprises a liquid-permeable top sheet 104, a liquid-impermeable side leakage-proof layer 103, a liquid-impermeable bottom sheet 101, and an absorbent core 102 disposed between the liquid-permeable top sheet and the liquid-impermeable bottom sheet, and is structurally characterized in that: the liquid-impermeable back sheet 101 is a highly air-permeable liquid-impermeable sheet 100 composed of at least one ultrafine fiber air-permeable water-impermeable web layer 1.
The highly air-permeable and liquid-impermeable sheet 100 of this embodiment is composed of a single-layer microfiber air-permeable and water-impermeable web layer 1, wherein through holes (not shown in the figure) for communicating the surface layer and the bottom layer of the microfiber air-permeable and water-impermeable web layer are formed between fibers and adjacent fibers in the microfiber air-permeable and water-impermeable web layer 1, and the size of the through holes is 0.5 to 10 μm.
In a specific embodiment, the ultrafine fiber air-permeable and water-proof web layer 1 of the present embodiment is made of a conventional spun-bonded nonwoven fabric or spun-bonded melt-blown nonwoven fabric, for example, ultra-long ultrafine fibers are stacked and mechanically or wind-pressed to form a thin and thin compact web layer with a uniform thickness, and then thermally bonded or bonded and reinforced by itself to form the ultrafine fiber air-permeable and water-proof web layer 1 with a square gram weight of 6-18 g.
As shown in figure 3, the high-permeability and high-permeability liquid-impermeable sheet material 100 formed by the single-layer superfine fiber gas-permeable and water-proof net layer 1 has the technical effects of seepage prevention and high permeability, water vapor 106 permeates through the through holes of the high-permeability and high-permeability liquid-impermeable sheet material 100 to be diffused into the external environment 108, the exchange of internal and external gases is realized, the problem of damp stuffiness is solved, and liquid or excrement is isolated and shielded from the using inner side surface 107 of the high-permeability and high-liquid-impermeable sheet material 100, so that the high permeability of the material is maintained, the high-permeability, high isolation, shielding and seepage prevention performances are realized on the liquid, and the antistatic pressure value reaches2The steam penetration of O and water reaches 7980g/cm224h, it can be seen that the highly breathable and liquid-impermeable sheet material adopting the single-layer structure has higher breathability.
In order to improve the convenience of the highly breathable disposable absorbent article, in this embodiment, an improved technical solution is provided, and in this embodiment, on the basis of the above embodiments, a humidity color-changing coating is disposed at the longitudinal center of the surface layer of the ultrafine fiber breathable water-barrier web layer, and the humidity color-changing coating of this embodiment adopts the prior art, for example, the humidity color-changing indication described in the prior art with publication number CN 101797198B.
As shown in fig. 4, in this embodiment, a humidity color-changing coating 2 is disposed on one side surface of the microfiber air-permeable and water-impermeable net layer close to the absorbent core, and the humidity color-changing coating is disposed at intervals along the center of the microfiber air-permeable and water-impermeable net layer in the transverse width direction and extends to both longitudinal ends of the microfiber air-permeable and water-impermeable net layer in the longitudinal length direction. As shown in fig. 5, the humidity-changing coating 2 may also extend in the form of a dotted line to both ends. The humidity color-changing coating 2 can make the high-permeability disposable absorbent product know the use condition from the outside at a glance when in use, thereby greatly reducing the uncomfortable degree caused by the fact that the high-permeability disposable absorbent product cannot be replaced in time after being used by a user.
Example 2
As shown in fig. 3 and fig. 6, the structure of the present embodiment is characterized in that: the high-permeability disposable absorbent product adopts a high-permeability liquid-impermeable sheet 100 composed of two superfine fiber gas-permeable water-proof net layers as a liquid-impermeable bottom layer 101, the high-permeability liquid-impermeable sheet 100 is formed by fixedly connecting a superfine fiber gas-permeable water-proof net layer 1 positioned on the upper layer and a superfine fiber gas-permeable water-proof net layer 2 positioned on the lower layer through a binding point 6, the binding point 6 is preferably an ultrasonic welding point, one of a heat welding point or an infrared welding point can be adopted, the size is 0.05-5mm, in addition, the outline shape of the binding point 6 is preferably circular, and star, heart, ellipse, square or rectangle can be selected.
In order to further improve the air permeability of the high air permeability and liquid impermeability sheet material 100 with a two-layer structure, as shown in fig. 4, in this embodiment, a tapered air vent 10 penetrating through the surface and the bottom of the ultrafine fiber air permeable and water impermeable web layer 2 is provided on the ultrafine fiber air permeable and water impermeable web layer 2 located at the lower layer, and a tapered bottom orifice 11 of the tapered air vent 10 is far away from the ultrafine fiber air permeable and water impermeable web layer 1 at the upper layer. In a preferred embodiment, the size of the opening of the conical top of the conical ventilation hole 10 is 0.1mm-0.5mm, preferably 0.1mm or 0.2 mm.
The antistatic water pressure value of the highly air-permeable, liquid-impermeable sheet 100 of this example was 712 mm water column, and the air permeability was 7650g/cm224h, it can be seen that the conical air holes can effectively avoid or compensate for high permeabilityThe problem that air permeability reduces that the liquid impervious sheet of gas adopts the ventilative water proof stratum reticulare of double-deck superfine fiber and bring for the high ventilative disposable absorbent article of this embodiment still has excellent air permeability, has improved the intensity of the liquid impervious sheet of high ventilative on the one hand, and on the other hand can effectively prevent the seepage phenomenon of liquid, improves the security of using.
Example 3
As shown in fig. 3 and 7, in addition to example 1, the highly breathable disposable absorbent article of this embodiment employs a highly breathable liquid-impermeable sheet 100 composed of three ultrafine fibrous breathable water-barrier layers as a liquid-impermeable back sheet 101, and the highly breathable liquid-impermeable sheet 100 is formed by fixedly connecting an ultrafine fibrous breathable water-barrier layer 1 located on the upper layer, an ultrafine fibrous breathable water-barrier layer 3 located on the middle layer, and an ultrafine fibrous breathable water-barrier layer 2 located on the lower layer by binding points 7. The prick point 7 is preferably an ultrasonic welding point, or can adopt one of a heat welding point or an infrared welding point, and has the size of 0.05-5mm, and in addition, the outline shape of the prick point 7 is preferably a circle, and can also be selected from a star shape, a heart shape, an oval shape, a square shape or a rectangle shape.
In order to further improve the air permeability of the three-layer structure high air permeability and liquid impermeability sheet 100, as shown in fig. 7, in the present embodiment, a tapered air vent 20 is provided on the high air permeability and liquid impermeability sheet 100, the tapered air vent 20 penetrates from the surface of the middle ultrafine fiber air permeable and water impermeable web layer 3 to the bottom surface of the lower ultrafine fiber air permeable and water impermeable web layer 2, a tapered bottom orifice 21 of the tapered air vent 20 is far away from the upper ultrafine fiber air permeable and water impermeable web layer 1, and the size of the tapered top opening of the tapered air vent 20 is 0.1mm to 0.5mm, preferably 0.1mm or 0.2 mm.
The beneficial technical effects of this embodiment lie in that the antistatic water pressure value of the highly breathable liquid-impermeable sheet material adopting three-layer superfine fiber breathable water-proof net layer is 783 mm water column, and the air permeability is 7024g/cm224h, similar to example 2, the air permeability of the highly air permeable and liquid impermeable sheet 100 with the three-layer structure is also reduced, but the range is not large, and therefore, the conical air holes can effectively avoid or compensate for the air permeability and water resistance of the highly air permeable and liquid impermeable sheet made of three layers of superfine fibersThe problem that the air permeability reduces that the stratum reticulare structure and bring has compromise high air permeability and the security performance of liquid-tight nature sheet for three layer construction's high air permeability liquid-tight nature sheet still has excellent air permeability, has improved the intensity of high air permeability liquid-tight nature sheet on the one hand, and on the other hand can effectively prevent the seepage phenomenon of liquid, improves the security of using.
Example 4
As shown in fig. 8, in order to further improve the touch feeling and wearing comfort of the highly air-permeable and liquid-impermeable sheet material, in this embodiment, on the basis of embodiment 1, embodiment 2 or embodiment 3, an ultra-soft skin-friendly fiber layer 4 is disposed on the outer side of the highly air-permeable and liquid-impermeable sheet material, and is integrally connected with the highly air-permeable and liquid-impermeable sheet material through a hot melt adhesive layer, wherein the square gram weight of the ultra-soft skin-friendly fiber layer 4 is 9-12g, and is selected from a spunbond nonwoven fabric, a hot-rolled nonwoven fabric, a hot-air nonwoven fabric, a spunlace nonwoven fabric or a needle-punched nonwoven fabric.
The super-soft skin-friendly fiber layer endows the high-breathability disposable absorbent product with higher hand feeling and higher appearance effect, overcomes the defects of lower heat-humidity comfort and easy liquid leakage when the existing disposable absorbent product is worn, and effectively avoids the red wind phenomenon frequently occurring in the process of wearing the disposable absorbent product by infants.
Although the present invention has been described in terms of specific embodiments, the scope of the present invention is not limited to the above-described specific embodiments, and various modifications, changes and substitutions of the present invention are within the scope of the present invention without departing from the spirit of the present invention.
Claims (10)
1. The utility model provides a high ventilative disposable absorbent product, includes liquid-permeable top layer, liquid-tight nature side leak protection layer, liquid-tight nature bottom to and set up the absorption core between liquid-permeable top layer and liquid-tight nature bottom, its characterized in that: the liquid-tight bottom layer is made of high-permeability liquid-tight sheets, the high-permeability liquid-tight sheets comprise at least one superfine fiber gas-permeable water-proof net layer, through holes for communicating the surface layer and the bottom layer of the superfine fiber gas-permeable water-proof net layer are arranged between fibers in the superfine fiber gas-permeable water-proof net layer and adjacent fibers, and the size of each through hole is 0.5-10 mu m.
2. The highly breathable disposable absorbent article of claim 1, characterized in that: and one side surface of the superfine fiber breathable water-proof net layer, which is close to the absorption core, is provided with humidity color-changing coatings, the humidity color-changing coatings are arranged at intervals along the center of the superfine fiber breathable water-proof net layer in the transverse width, and extend to the longitudinal two ends of the superfine fiber breathable water-proof net layer in the longitudinal length.
3. The highly breathable disposable absorbent article of claim 1, characterized in that: the superfine fiber breathable water-resisting net layer is formed by stacking and reinforcing super-long superfine fibers to form a flaky compact net layer with uniform thickness, and the square gram weight of the flaky compact net layer is 6-18 g.
4. The highly breathable disposable absorbent article of claim 1, characterized in that: the high-permeability liquid-impermeable sheet is of a two-layer structure and is formed by fixedly connecting superfine fiber permeable water-proof net layers respectively positioned on an upper layer and a lower layer through binding points.
5. The highly breathable disposable absorbent article of claim 1, characterized in that: the high-permeability liquid-impermeable sheet is of a three-layer structure and is formed by fixedly connecting superfine fiber permeable water-proof net layers respectively positioned on an upper layer, a middle layer and a lower layer through binding points.
6. The highly breathable disposable absorbent article according to claim 4 or 5, characterized in that: the binding points are one of heat welding points, ultrasonic welding points and infrared welding points, the size is 0.05-5mm, and the outline shape of the binding points is circular, star-shaped, heart-shaped, oval, square or rectangular.
7. The highly breathable disposable absorbent article of claim 4, characterized in that: the superfine fiber breathable water-proof net layer positioned on the lower layer is provided with conical air holes penetrating through the surface and the bottom surface of the superfine fiber breathable water-proof net layer, and conical bottom orifices of the conical air holes are far away from the superfine fiber breathable water-proof net layer on the upper layer.
8. The highly breathable disposable absorbent article of claim 5, characterized in that: the conical air holes penetrate through the surface of the superfine fiber breathable water-proof net layer in the middle layer and the bottom surface of the superfine fiber breathable water-proof net layer in the lower layer, and conical bottom holes of the conical air holes are far away from the superfine fiber breathable water-proof net layer in the upper layer.
9. The highly breathable disposable absorbent article of any of claims 1-5, 7-8, wherein: the antistatic water pressure value of the high-permeability liquid-impermeable sheet is 50-1000mmH2O。
10. The highly breathable disposable absorbent article of any of claims 1-5, 7-8, wherein: the air permeability of the high air permeability liquid-tight sheet is 5500-8000g/cm2·24h。
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109938925A (en) * | 2019-03-01 | 2019-06-28 | 百润(中国)有限公司 | A kind of high ventilative disposable absorbent article |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109938925A (en) * | 2019-03-01 | 2019-06-28 | 百润(中国)有限公司 | A kind of high ventilative disposable absorbent article |
| CN109938925B (en) * | 2019-03-01 | 2024-06-04 | 百润(中国)有限公司 | High-air-permeability disposable absorbent product |
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Denomination of utility model: A kind of disposable absorption product with high air permeability Effective date of registration: 20201217 Granted publication date: 20200218 Pledgee: Industrial Bank Limited by Share Ltd. Huian branch Pledgor: BARON (CHINA) Co.,Ltd. Registration number: Y2020350000142 |
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