CN109938926A - A kind of high gas-permeable, liquid-impermeable sheet material for disposable absorbent article - Google Patents
A kind of high gas-permeable, liquid-impermeable sheet material for disposable absorbent article Download PDFInfo
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- CN109938926A CN109938926A CN201910153859.9A CN201910153859A CN109938926A CN 109938926 A CN109938926 A CN 109938926A CN 201910153859 A CN201910153859 A CN 201910153859A CN 109938926 A CN109938926 A CN 109938926A
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Abstract
The present invention relates to the high gas-permeable, liquid-impermeable sheet materials for disposable absorbent article, including at least one layer of superfine fibre ventilating water proof stratum reticulare, the through-hole on connection its surface layer and bottom is provided on the superfine fibre ventilating water proof stratum reticulare, the hole size is 0.5-10 μm, and the center position on the transverse width on superfine fibre ventilating water proof stratum reticulare surface layer is arranged at intervals with the humidity discoloration coating of the longitudinal length extension along the superfine fibre ventilating water proof stratum reticulare.The high gas-permeable, liquid-impermeable sheet material is double-layer structure or three-decker, interlayer is formed by fixedly connecting by tying point, meanwhile the permeability of the high gas-permeable, liquid-impermeable sheet material of multilayered structure is improved by setting taper air hole, make its hydrostatic pressure resistant value 50-1000mmH2O, Air permenbility 5500-8000g/cm2·24h。
Description
Technical field
The present invention relates to amenities technical field of polymer materials, use more particularly to one kind for disposably absorbing
The high gas-permeable, liquid-impermeable sheet material of product.
Background technique
Infant and other people that can't take care of oneself usually need to wear disposable absorbent article, such as paper diaper, paper
Trousers etc. are drawn in diaper, sanitary napkin, drawing, its object is to be storage excreta, and make the body of these excretas and wearer, clothing
Clothes, bedding etc. are kept apart.
But (mainstream material is spinning to the leakproof edge that the structure of current current paper diaper urine-leakage, predominantly two sides erect
Molten non-woven fabrics) and absorber lower layer ventilative PE film.PE film of wherein breathing freely obstructs excreta and oozes out from paper diaper bottom, while table
Face micropore can penetrate vapor, play certain air permeability effect.However, ventilative the ventilative of PE film has as following drawbacks: surface is micro-
Hole is only capable of penetrating the vapor under vaporized state, can still obstruct to the water mist under droplet state；Meanwhile by production technology
Limitation, vapor transfer rate (under 40 DEG C of temperature, humidity 60%, the vapor transmission amount) average value for PE film of breathing freely are 3200g/m2/ for 24 hours,
Upper limit value is 5500g/m2/ for 24 hours, therefore, air permeability effect of the ventilative PE film in actual use scene is caused to be not obvious.It improves
The gas permeability of absorbent device can greatly reduce bored wet sense, directly improve the comfort of user, therefore many companies are devoted to
Designing more ventilative suction is articles.
Present invention aims to use the superfine fibre stratum reticulare (flake) every penetrable ventilated better effect as paper diaper
Mainly every wet stock, replace the ventilative PE film of current main-stream.The mesh sheet reaches air filtration or liquid filtration media rank
Filter effect, the status of PE film can just be penetrated by solving at present only gasified water, enable gasified water, atomized water, hot-air efficient
Penetrate the opaque liquid bottom of disposable absorbent article, and the high big drop of concentration class, liquid can not be worn in normal atmospheric pressure
Layer of revealing the exact details obviously carries out air exchange by interior environment and external energy in actual use, significantly exclusion disposable absorbent article
Hot gas, the moisture of inside, improve the usage experience of disposable absorbent article.
Summary of the invention
The purpose of the present invention is to provide a kind of with the excellent high gas-permeable, liquid-impermeable sheet material every penetrable ventilated effect, makes
The opaque liquid bottom of disposable absorbent article can efficiently be penetrated by obtaining gasified water, atomized water, hot-air, saturating to solve ventilative PE film
The technical problem of gas performance deficiency, to achieve this purpose, the present invention adopts the following technical scheme:
High gas-permeable, liquid-impermeable sheet material of the present invention for disposable absorbent article includes at least one layer of ultra-fine
Fiber ventilating water proof stratum reticulare is provided on each superfine fibre ventilating water proof stratum reticulare and is connected to the logical of its surface layer and bottom
Hole, the hole size are 0.5-10 μm.
Further, the center position on the transverse width on superfine fibre ventilating water proof stratum reticulare surface layer is arranged at intervals with
The humidity discoloration coating extended along the longitudinal length of the superfine fibre ventilating water proof stratum reticulare.
Further, the high gas-permeable, liquid-impermeable sheet material is double-layer structure, by the ultra-fine fibre for being located at upper layer, lower layer
Dimension ventilating water proof stratum reticulare is formed by fixedly connecting by tying point.
Further, the high gas-permeable, liquid-impermeable sheet material is three-decker, by being located at upper layer, middle layer and lower layer
Superfine fibre ventilating water proof stratum reticulare be formed by fixedly connecting by tying point.
Further, the tying point is one of hot weld contact, supersonic welding contact, infrared bonding contact, size
For 0.05-5mm, the chamfered shape of the tying point is circle, star, heart, ellipse, rectangular or rectangle.
Further, it is also provided on the superfine fibre ventilating water proof stratum reticulare for being located at lower layer through its surface, bottom
The taper air hole in face, cone superfine fibre ventilating water proof stratum reticulare of the bottom outlet mouth far from upper layer of the taper air hole.
Further, be also provided on high gas-permeable, liquid-impermeable sheet material superfine fibre through middle layer it is ventilative every
The taper air hole of the superfine fibre ventilating water proof stratum reticulare bottom surface on the surface and lower layer of network of rivers layer, the cone bottom of the taper air hole
Superfine fibre ventilating water proof stratum reticulare of the aperture far from upper layer.
Further, the hydrostatic pressure resistant value of the high gas-permeable, liquid-impermeable sheet material is the 50-1000 millimeter of water.
Further, the Air permenbility of the high gas-permeable, liquid-impermeable sheet material is 5500-8000g/cm2·24h。
Further, the superfine fibre ventilating water proof stratum reticulare is stacked by overlength superfine fibre, and is reinforced and shape through bonding
At the fine and close stratum reticulare of flake in homogeneous thickness, square grammes per square metre is 6-18g.
It further, further include super soft pro-skin fibrous layer, square grammes per square metre of the super soft pro-skin fibrous layer is 9-12g, choosing
From spun-bonded non-woven, Nonwovens, Through-Air Thermal Bonded Nonwovens, hydro-entangled non-woven fabric or needle fabric.
The invention has the benefit that
Firstly, the present invention has antiseepage, high ventilative technical effect, while keeping material highly-breathable, to liquid
Reach 50-1000mmH with good isolation, shielding and barrier performance, water pressure resistance2O, water vapour transit dose reach 5500-
8000g/cm2For 24 hours, wet rear present invention energy persistently liquid barrier extravasation is being urinated, while is allowing to be higher than the penetrating amount of PE ventilated membrane
The small water mist of vapor, hot gas, concentration class penetrates, and keeps dry and comfortable permeability.
Secondly, the present invention be can effectively avoid or be made up because high gas-permeable, liquid-impermeable sheet material is adopted by setting taper air hole
The problem of bring permeability reduces with multilayered structure, so that the high gas-permeable, liquid-impermeable sheet material of multilayered structure still has
On the one hand excellent permeability improves the intensity of high gas-permeable, liquid-impermeable sheet material, on the other hand can effectively prevent liquid
Leakage phenomenon improves the safety used.
Again, change colour in the surface layer of gas-permeable, liquid-impermeable sheet material (even if the used time is close to surface layer of absorbent cores) setting humidity and apply
Layer, further increases the convenience used and comfort, can use when in use from external understanding user at a glance
The behaviour in service of disposable absorbent article, greatly reduce user fail after in time replace and bring is uncomfortable
Degree.
Finally, super soft pro-skin fibrous layer assigns high gas-permeable, liquid-impermeable sheet material feel with higher, it is assigned to higher outer
Effect is seen, the present invention is applied to the opaque liquid bottom of disposable absorbent article and uses in use, solving disposable absorb at present
Hot wet migration when product are worn is lower, easy-to-leak liquid deficiency, effectively reduces the bored wet sense of disposable absorbent article, improves dress
Comfort avoids infant and wears the red hip phenomenon often occurred during disposable absorbent article.
Detailed description of the invention
Fig. 1 is the strip humidity discoloration coating schematic diagram of embodiment 1 being distributed in a linear fashion.
Fig. 2 is the strip humidity discoloration coating schematic diagram of embodiment 1 being distributed with dashed lines.
Fig. 3 is the ventilative schematic diagram of high gas-permeable, liquid-impermeable sheet material.
Fig. 4 is the high gas-permeable, liquid-impermeable sheet material schematic diagram of the double-layer structure of embodiment 2.
Fig. 5 is the super soft pro-skin fibrous layer schematic diagram of embodiment 3.
Fig. 6 is the high gas-permeable, liquid-impermeable sheet material schematic diagram of the double-layer structure of embodiment 4.
Specific embodiment
To further illustrate the technical scheme of the present invention below with reference to the accompanying drawings and specific embodiments.
Embodiment 1
As shown in Fig. 1, the high gas-permeable, liquid-impermeable sheet material for disposable absorbent article of the present embodiment uses single layer
Superfine fibre ventilating water proof stratum reticulare 1, be provided on the superfine fibre ventilating water proof stratum reticulare 1 and be connected to its surface layer and bottom
Through-hole (not shown), the hole size are 0.5-10 μm.
The embodiment of the present invention superfine fibre ventilating water proof stratum reticulare 1 is non-using the non-fabrication cloth of existing spunbond or spunbond melt-blown
Cloth is manufactured, overlength superfine fibre is such as stacked to and formed through mechanical or wind pressure laminar fine and close stratum reticulare in homogeneous thickness, then
It is reinforced through heat bonding or itself bonding and forms the superfine fibre ventilating water proof stratum reticulare 1 that square grammes per square metre is 6-18g.
As shown in Fig. 3, the high gas-permeable, liquid-impermeable sheet material constituted using the superfine fibre ventilating water proof stratum reticulare 1 of single layer
100 with antiseepage, high ventilative technical effects, vapor 102 distributed through the through-hole of high gas-permeable, liquid-impermeable sheet material 100 to
In external environment 104, the exchange of inside and outside gas being realized, solving the problems, such as wet bored, and liquid or excreta are isolated, shield extremely
Therefore high gas-permeable, liquid-impermeable sheet material 100 while keeping material highly-breathable, has liquid using medial surface 103
Isolation, shielding and barrier performance, hydrostatic pressure resistant value reach 560mmH well2O, water vapour transit dose reach 7980g/cm2·
For 24 hours, it is seen then that using the high gas-permeable, liquid-impermeable sheet material permeability with higher of single layer structure.
As an improvement technical solution, the present embodiment is on the basis of the above embodiment, ventilative in superfine fibre
Humidity discoloration coating is set at the longitudinal center on the surface layer of water proof stratum reticulare, and the humidity discoloration coating of the present embodiment uses existing skill
Art, the humidity discoloration instruction for such as using notification number to record for the prior art of CN101797198B.As shown in Fig. 1, this implementation
The center on the transverse width direction of surface layer is arranged in the humidity discoloration coating 2 by example, and ventilative along the superfine fibre
The longitudinal length of water proof stratum reticulare extends to both ends in a linear fashion, and the humidity discoloration coating 2 is by plural item in surface layer transverse direction
The strip humidity discoloration coating that center in width direction is distributed with interval mode.As shown in Fig. 2, humidity discoloration applies
Layer 2 can also be extended using dashed line form to both ends.Further, it is also possible to using well-regulated textured, netted or strip
It is coated on the surface layer of superfine fibre ventilating water proof stratum reticulare.
To further increase the convenience used and comfort, on the surface layer of high gas-permeable, liquid-impermeable sheet material (even if the used time
Close to the surface layer of absorbent cores) setting humidity discoloration coating, it can used when in use from external understanding user at a glance
The behaviour in service of disposable absorbent article, greatly reduce user fail after in time replace and bring is uncomfortable
Degree.
Embodiment 2
As shown in Fig. 4, on the basis of embodiment 1, the high gas-permeable, liquid-impermeable sheet material of the present embodiment uses two layers of knot
Structure, the superfine fibre ventilating water proof stratum reticulare 2 by being located at the superfine fibre ventilating water proof stratum reticulare 1 on upper layer, lower layer pass through tying point 6
It is formed by fixedly connecting, which is preferably supersonic welding contact, can also be using one in hot weld contact or infrared bonding contact
Kind, size 0.05-5mm, in addition, the chamfered shape of tying point 6 is preferably circular, it is also an option that star, heart, ellipse
Shape, rectangular or rectangle.
In order to further increase double-layer structure high gas-permeable, liquid-impermeable sheet material permeability, as shown in Fig. 4, this reality
It applies example and is provided with the table through the superfine fibre ventilating water proof stratum reticulare 2 on the superfine fibre ventilating water proof stratum reticulare 2 for being located at lower layer
The taper air hole 10 in face, bottom surface, cone superfine fibre ventilating water proof of the bottom outlet mouth 11 far from upper layer of the taper air hole 10
Stratum reticulare 1.As a preferred embodiment, the vertex of a cone hatch bore diameter size of the taper air hole 10 is 0.1mm-0.5mm, it is excellent
Select 0.1mm or 0.2mm.
The advantageous effects of the present embodiment are that the hydrostatic pressure resistant value of the high gas-permeable, liquid-impermeable sheet material is 712 millimeters
Water column, Air permenbility 7650g/cm2For 24 hours, it is seen then that taper air hole be can effectively avoid or be made up because of high gas-permeable, liquid-impermeable piece
Material bring permeability the problem of reducing using double-layer structure, so that the high gas-permeable, liquid-impermeable sheet material of double-layer structure is still
With excellent permeability, the intensity of high gas-permeable, liquid-impermeable sheet material is on the one hand improved, liquid on the other hand can be effectively prevent
The leakage phenomenon of body improves the safety used.
Embodiment 3
As shown in Fig. 5, on the basis of embodiment 1, the high gas-permeable, liquid-impermeable sheet material of the present embodiment uses three-layered node
Structure, by the superfine fibre ventilating water proof net 1, the superfine fibre ventilating water proof net 3 of middle layer and surpassing for lower layer that are located at upper layer
Fine fibre ventilating water proof stratum reticulare 2 is formed by fixedly connecting by tying point 7.The tying point 7 is preferably supersonic welding contact, can also be used
One of hot weld contact or infrared bonding contact, size 0.05-5mm, in addition, the chamfered shape of tying point 7 is preferably justified
Shape, it is also an option that star, heart, ellipse, rectangular or rectangle.
In order to further increase three-decker high gas-permeable, liquid-impermeable sheet material permeability, as shown in Fig. 5, this reality
Apply example be provided on high gas-permeable, liquid-impermeable sheet material from the surface of the superfine fibre ventilating water proof stratum reticulare 3 of middle layer downward through
To the taper air hole 20 of 2 bottom surface of superfine fibre ventilating water proof stratum reticulare of lower layer, the cone bottom outlet mouth 21 of the taper air hole 20
Superfine fibre ventilating water proof stratum reticulare 1 far from upper layer, the vertex of a cone hatch bore diameter size of the taper air hole 20 are 0.1mm-
0.5mm, preferably 0.1mm or 0.2mm.
The advantageous effects of the present embodiment are the hydrostatic pressure resistant of the high gas-permeable, liquid-impermeable sheet material using three-decker
Value is 783 millimeters of water, Air permenbility 7024g/cm2For 24 hours, it is seen then that it is similar to Example 2, it is ventilative using the height of three-decker
Opaque liquid sheet material permeability equally decreases, but amplitude is little, it is seen then that taper air hole can effectively avoid or make up because
High gas-permeable, liquid-impermeable sheet material bring permeability the problem of reducing using three-decker, high gas-permeable, liquid-impermeable is taken into account
The permeability and safe application performance of sheet material so that the high gas-permeable, liquid-impermeable sheet material of three-decker still have it is excellent saturating
On the one hand gas performance improves the intensity of high gas-permeable, liquid-impermeable sheet material, on the other hand can effectively prevent the leakage phenomenon of liquid,
Improve the safety used.
Embodiment 4
It as shown in Fig. 6, is the sense of touch and wearing comfort that further increase high gas-permeable, liquid-impermeable sheet material, this implementation
For example on the basis of embodiment 1, embodiment 2 or embodiment 3, in the outside of high gas-permeable, liquid-impermeable sheet material, the super soft pro-skin of setting is fine
Layer 4 is tieed up, and is connected as one by hot melt adhesive layer and high gas-permeable, liquid-impermeable sheet material, square of the super soft pro-skin fibrous layer 4
Grammes per square metre is 9-12g, pierces non-knit selected from spun-bonded non-woven, Nonwovens, Through-Air Thermal Bonded Nonwovens, hydro-entangled non-woven fabric or needle
Make cloth.
The super soft pro-skin fibrous layer of the present embodiment assigns high gas-permeable, liquid-impermeable sheet material feel with higher, is assigned to higher
Appearance, solve that hot wet migration when current disposable absorbent article is worn is lower, deficiency of easy-to-leak liquid, effectively keep away
Exempt from infant and wears the red hip phenomenon often occurred during disposable absorbent article.
Although the present invention describes specific case study on implementation, the scope of the invention is not limited to above-mentioned specific realities
Example is applied, without departing from the case in the spirit of the invention, guarantor of the invention is each fallen within to various modifications of the invention, variations and alternatives
Protect range.
Claims (10)
1. a kind of high gas-permeable, liquid-impermeable sheet material for disposable absorbent article, it is characterised in that: the high gas-permeable, liquid-impermeable
Property sheet material includes at least one layer of superfine fibre ventilating water proof stratum reticulare, is arranged on each superfine fibre ventilating water proof stratum reticulare
There is the through-hole on connection its surface layer and bottom, the hole size is 0.5-10 μm.
2. the high gas-permeable, liquid-impermeable sheet material according to claim 1 for disposable absorbent article, it is characterised in that:
Center position on the transverse width on superfine fibre ventilating water proof stratum reticulare surface layer is arranged at intervals with saturating along the superfine fibre
The humidity discoloration coating that the longitudinal length of air bound network of rivers layer extends.
3. the high gas-permeable, liquid-impermeable sheet material according to claim 1 for disposable absorbent article, it is characterised in that: institute
Stating high gas-permeable, liquid-impermeable sheet material is double-layer structure, and the superfine fibre ventilating water proof stratum reticulare by being located at upper layer, lower layer passes through
Tying point is formed by fixedly connecting.
4. the high gas-permeable, liquid-impermeable sheet material according to claim 1 for disposable absorbent article, it is characterised in that: institute
Stating high gas-permeable, liquid-impermeable sheet material is three-decker, by the superfine fibre ventilating water proof for being located at upper layer, middle layer and lower layer
Stratum reticulare is formed by fixedly connecting by tying point.
5. the high gas-permeable, liquid-impermeable sheet material according to claim 3 or 4 for disposable absorbent article, feature exist
It is one of hot weld contact, supersonic welding contact, infrared bonding contact in: the tying point, size 0.05-5mm is described
The chamfered shape of tying point is circle, star, heart, ellipse, rectangular or rectangle.
6. the high gas-permeable, liquid-impermeable sheet material according to claim 3 for disposable absorbent article, it is characterised in that:
The taper air hole through its surface, bottom surface is provided on the superfine fibre ventilating water proof stratum reticulare of lower layer, the taper is saturating
Cone superfine fibre ventilating water proof stratum reticulare of the bottom outlet mouth far from upper layer of stomata.
7. the high gas-permeable, liquid-impermeable sheet material according to claim 4 for disposable absorbent article, it is characterised in that: also
It is provided with the surface of the superfine fibre ventilating water proof stratum reticulare through middle layer and the superfine fibre ventilating water proof stratum reticulare bottom surface of lower layer
Taper air hole, cone superfine fibre ventilating water proof stratum reticulare of the bottom outlet mouth far from upper layer of the taper air hole.
8. -4, any high gas-permeable, liquid-impermeable sheet material for disposable absorbent article of 6-7 according to claim 1,
Be characterized in that: the hydrostatic pressure resistant value of the high gas-permeable, liquid-impermeable sheet material is the 50-1000 millimeter of water.
9. -4, any high gas-permeable, liquid-impermeable sheet material for disposable absorbent article of 6-7 according to claim 1,
Be characterized in that: the Air permenbility of the high gas-permeable, liquid-impermeable sheet material is 5500-8000g/cm2·24h。
10. -4, any high gas-permeable, liquid-impermeable sheet material for disposable absorbent article of 6-7 according to claim 1,
Be characterized in that: the superfine fibre ventilating water proof stratum reticulare is stacked by overlength superfine fibre, and is reinforced through bonding and to form thickness equal
The fine and close stratum reticulare of even flake, square grammes per square metre are 6-18g.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910153859.9A CN109938926A (en) | 2019-03-01 | 2019-03-01 | A kind of high gas-permeable, liquid-impermeable sheet material for disposable absorbent article |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910153859.9A CN109938926A (en) | 2019-03-01 | 2019-03-01 | A kind of high gas-permeable, liquid-impermeable sheet material for disposable absorbent article |
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| CN109938926A true CN109938926A (en) | 2019-06-28 |
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| CN201910153859.9A Pending CN109938926A (en) | 2019-03-01 | 2019-03-01 | A kind of high gas-permeable, liquid-impermeable sheet material for disposable absorbent article |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022229828A1 (en) * | 2021-04-27 | 2022-11-03 | Linari Medical Srl | Composite filtering material for making fabrics and its manufacturing process |
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| CN107374831A (en) * | 2017-07-10 | 2017-11-24 | 浙江优全护理用品科技有限公司 | One kind is without the high ventilative pro-skin paper diaper of film |
| CN108125746A (en) * | 2017-12-21 | 2018-06-08 | 北京倍舒特妇幼用品有限公司 | A kind of breathing bacteria-inhibiting type sanitary napkin certainly with air hinge |
| CN210205110U (en) * | 2019-03-01 | 2020-03-31 | 百润(中国)有限公司 | High-breathability liquid-impermeable sheet for disposable absorbent article |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014150846A (en) * | 2013-02-05 | 2014-08-25 | Uni Charm Corp | Disposable wearing article |
| CN106079760A (en) * | 2016-07-12 | 2016-11-09 | 浙江金三发非织造布有限公司 | A kind of antiseepage height super soft diaper of breathing freely is combined counterdie and preparation technology thereof |
| CN206434487U (en) * | 2016-11-17 | 2017-08-25 | 广东川田卫生用品有限公司 | A kind of compound porous non-woven fabrics |
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| WO2022229828A1 (en) * | 2021-04-27 | 2022-11-03 | Linari Medical Srl | Composite filtering material for making fabrics and its manufacturing process |
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