CN204394814U - Absorbent article composite sheet - Google Patents
Absorbent article composite sheet Download PDFInfo
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- CN204394814U CN204394814U CN201420808208.1U CN201420808208U CN204394814U CN 204394814 U CN204394814 U CN 204394814U CN 201420808208 U CN201420808208 U CN 201420808208U CN 204394814 U CN204394814 U CN 204394814U
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- sheet material
- lobe
- sheet
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- absorbent article
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Abstract
This utility model relates to absorbent article technical field, disclose a kind of absorbent article composite sheet, comprise the first sheet material and the second sheet material that combine, described first sheet material is arranged with the lobe of a plurality of hollow, described boss is in the direction away from described second sheet material, at the circular root of each described lobe, several bonding concave points are set, described first sheet material and the second sheet material bond by described bonding concave point, the quantity of described bonding concave point is greater than the quantity of described lobe, the size of described bonding concave point is less than the size of described lobe.Adjacent two described bonding concave points are connected by adhesive bands, and the bonding degree of depth of described adhesive bands is greater than the bonding degree of depth of described bonding concave point.The convex-concave structure that this utility model is formed by this materials at two layers, when having with contact human skin, lobe compressive deformation is little, and raised position is good, truly reaches ventilative, dry and comfortable effect.
Description
Technical field
This utility model relates to absorbent article technical field, particularly relates to a kind of absorbent article composite sheet.
Background technology
Absorbent article generally contacts the layer of structure such as the liquid-tight bottom that uses and the absorptive core layer between liquid permeability top layer and liquid-tight bottom by the liquid permeability top layer used with contact skin, non-skin and forms.Wherein, liquid permeability top layer as the skin-material directly contacted with human body skin, require to have seepage velocity fast, reduce liquid effluent, reduce to return and ooze, simultaneously and contact human skin, the advantages such as softness, good permeability, zest are little be had.
At present, the top layer of common absorbent article adopts conventional non-woven fabrics or thermoplasticity making hole film, non-woven fabrics have softness, fluffy, with the advantage such as human contact is comfortable, but it is slow to there is seepage velocity, after imbibition, there is partially liq remaining surface, the dry-ness shortcoming such as not good; Thermoplasticity making hole film has that infiltration rate is fast, dry and comfortable, the not easily advantage such as reverse osmosis, but its shortcoming also can not be ignored, and there is poor air permeability, and long-time and contact skin easily occurs allergic phenomena.
In order to solve the problem, meet many using function requirements that absorbent article is skin-material, Chinese patent (application number: CN201120437895.7) discloses one " Pearl non-woven fabric ", it comprises surface, and to be provided with Margarita shape hemispherical protuberances portion be hollow hemisphere shape lobe, this lobe greatly reduces cloth and contact skin area, reduce the pathogenetic probability of skin disease, its boss Margarita shape hemispherical protuberances portion simultaneously, make with contact skin be spherical top, comfort is good, and substantially increase the product breathability that it is manufactured, make skin dryer and comfortableer, because it is the interim liquid storage capacity that hollow lobe makes to increase product, dry-ness good.
In addition, Chinese patent (application number: CN201320426291.1) discloses one " three-dimensional non-woven fabric ", its nonwoven surface comprises some bossings with contact skin and some recessed portions, bossing and recessed portion are spaced, and bossing is consistent with the base material of recessed portion, the area of each bossing 20% to 100% and the contact angle of water are greater than 70 °, the area of each recessed portion 20% to 100% and the contact angle of water are less than 70 ° thus realize spreading the water conservancy diversion of liquid, quick absorption, and dry-ness requirement.
Above-mentioned two disclosed patents, disclose two kinds of different convex-concave nonwoven fabric technology schemes, accelerate the quick absorption of liquid to a certain extent, improve liquid permeability top layer and contact human skin to breathe freely, dry and comfortable comfort, but also there is place not all roses as follows in above-mentioned two kinds of non-woven fabrics, due to employing is monolayer convex-concave non-woven fabrics, protuberance is when with contact human skin, often be subject to the pressure influence of health various aspects, the large heavy discount of raised position, the Convex and concave stereoscopic shape of non-woven fabrics will be realized in addition, often to adopt thicker and that grammes per square metre is higher non-woven fabrics, in addition, absorbent article often just will can be made with lower floor other material by the PUR compound that bonds in top layer as convex-concave non-woven fabrics, " Pearl non-woven fabric " can touch PUR due to the bottom surface of hollow lobe, together with likely convex top being bondd with subsurface material, thus reduce the potential risk of convex-concave effect.
Utility model content
In order to solve the problems of the technologies described above, this utility model provides a kind of absorbent article composite sheet, by intact convex-concave effect, promotes liquid in the vertical direction and the quick absorption diffusion of in-plane.
The technical scheme that this utility model is taked is:
A kind of absorbent article composite sheet, comprise the first sheet material and the second sheet material that combine, it is characterized in that, described first sheet material is arranged with the lobe of a plurality of hollow, described boss is in the direction away from described second sheet material, at the circular root of each described lobe, several bonding concave points are set, the quantity of described bonding concave point is greater than the quantity of described lobe, the size of described bonding concave point is less than the size of described lobe, adjacent two described bonding concave points are connected by adhesive bands, described first sheet material and the second sheet material bond by described bonding concave point and adhesive bands, the bonding degree of depth of described adhesive bands is greater than the bonding degree of depth of described bonding concave point.
Further, in described first sheet material, the sheet density of lobe is minimum, and the sheet density at bonding concave point place is maximum, and the sheet density at adhesive bands place is between the two above-mentioned.
Further, the cross sectional shape of described lobe is arch, and the flat shape of described bonding concave point is circular or polygon.
Further, the surface area of described each bonding concave point is 0.01 to 10mm
2, the bond area of all described bonding concave points accounts for 5% to 50% of described first sheet area.
Further, the material of described first sheet material and the second sheet material is the one in the complex of liquid permeability non-woven fabrics, plastic sheeting, liquid permeability non-woven fabrics and plastic sheeting, and the material of described first sheet material and the second sheet material is material of the same race or material not of the same race.
Further, the density of described first sheet material is less than the density of the second sheet material.
Further, the width of described first sheet material and the second sheet material is unequal, and described first sheet material is combined with the second sheet portion.
Further, part not overlapping with the second sheet material on described first sheet material is flat shape.
Further, part not overlapping with the second sheet material on described first sheet material, also has the lobe of hollow, and around the bonding concave point around this lobe, adjacent two described bonding concave points are connected by adhesive bands.
The beneficial effects of the utility model are:
(1) what this utility model adopted is the lobe formed on the first sheet material of composite sheet, and to be adhesively fixed lobe at the first sheet material and the second sheet material place bonding concave point, the convex-concave structure that this materials at two layers is formed, when having with contact human skin, lobe compressive deformation is little, raised position is good, truly reaches ventilative, dry and comfortable effect;
(2) absorbent article composite sheet of the present utility model, has the most high-density region that formed of bonding concave point of density regions, Midst density district between each lobe and bonding concave point, the high-density region formed by adhesive bands and adjacent lobe density regions in the lobe of the first sheet material.This density gradient distribution, is conducive to the quick absorption of liquid, and permeates downwards, and first liquid first infiltrates from the lobe of contact skin, due to density gradient difference effect, is rapidly to high density area adhesive bands, the infiltration of bonding concave point in the vertical direction.
(3) absorbent article composite sheet of the present utility model, lobe inside is hollow structure, when amount of liquid is abundant, when having little time to permeate to subsurface material, the lobe of hollow structure has interim storage of liquids effect, in addition, the circumference of each lobe is provided with several that connect with the second sheet material and bonds concave point and adhesive bands, inhibits the risk of liquid effluent in the lateral direction to a certain extent.
(4) connected by adhesive bands between every two bonding concave points, define a little-line-point-line .... organically combine, avoid each bonding concave point when independently existing, bonding strength loosely, simultaneously, adhesive bands and bonding concave point organically combine and around each lobe, contribute to the shape maintaining lobe.
Part not overlapping with the second sheet material on (5) first sheet materials, also be the shape with protuberance, bonding concave point and adhesive bands, comparatively large at amount of liquid, when there is the fortuitous event of effluent, this part-structure can play equally and absorbs and tackle liquid effects, reduce further the risk of side leakage.
Accompanying drawing explanation
Accompanying drawing 1 is the composite sheet partial front plan structure schematic diagram of this utility model absorbent article
Accompanying drawing 2 is the M-M sectional view in accompanying drawing 1;
Accompanying drawing 3 is the N-N sectional view in accompanying drawing 1;
Accompanying drawing 4 is the H-H sectional view in accompanying drawing 1;
Accompanying drawing 5 is the schematic cross-section of a kind of embodiment of composite sheet;
Accompanying drawing 6 is the schematic cross-section of a kind of embodiment of composite sheet;
Accompanying drawing 7 is the schematic cross-section of a kind of embodiment of composite sheet;
Accompanying drawing 8 is the schematic cross-section of a kind of embodiment of composite sheet.
Detailed description of the invention
Elaborate below in conjunction with the detailed description of the invention of accompanying drawing to this utility model absorbent article composite sheet.
See accompanying drawing 1 to 4, absorbent article composite sheet 1 has two sheets, comprise the first sheet material 2 being positioned at top and the second sheet material 3 being positioned at below, see from the top down, on the second sheet material 3 that first sheet material 2 is partly or entirely overlapping, first sheet material 2 has a plurality of lobe a of arrangement in certain direction, and, the circular root of each lobe a is provided with several that connect with the second sheet material 3 and bonds concave point b, and the bonding concave point b that the circumference of described each lobe a is provided with some closed forms or folding shape around, and then, from a wherein side observation, lobe a inside is hollow structure, top is circular arc (arch) shape, and lobe a and bonding concave point b, become rule sexual intercourse mistake arranged evenly, adjacent two described bonding concave point b are connected by adhesive bands c, the bonding degree of depth of described adhesive bands c is greater than the bonding degree of depth of described bonding concave point b.
Profile direction along M-M, N-N, H-H of composite sheet 1 is observed, in M-M cross-wise direction, there is the low density area P1 of longitudinally alternatively distributed lobe a, each lobe a by near to far having the most high density area P3 of bonding concave point b, the Midst density district P2 between two bonding concave point b successively.In N-N cross-wise direction, there is the Midst density district P2 be laterally alternately distributed between the low density area P1 of lobe a, every two lobe a low density area P1; In H-H cross-wise direction, there is Midst density district P2 between the low density area P1 being alternately distributed lobe a, every two lobe a low density area P1 equally.Wherein need it is noted that, the density of adhesive bands is less than the density of bonding concave point.
The bonding degree of depth of adhesive bands is greater than the bonding degree of depth of bonding concave point, and refer to the thickness (or height) of adhesive bands and the second sheet material stick portion, be greater than bonding concave point, this is also the reason place that adhesive bands density is less than bonding concave point density.The area of the single lobe a of composite sheet 1 is far longer than the area of single bonding concave point b, the quantity of composite sheet all bondings concave point b is far away more than the quantity of all lobe a, the height value H1 of each lobe a low density area P1 is greater than the height value H2 of Midst density district P2, the height value H2 of Midst density district P2 is greater than the height value H3 of the most high density area P3 of bonding concave point c, meets relation: H1 > H2 > H3.
First sheet material 2 and the second sheet material 3 compoiste adhering get up by bonding concave point b and adhesive bands c jointly, the shape of the present embodiment bonding concave point b is circular, the similar hexagon shape heat-sealing bonding portion that the circumference of each lobe a is made up of 6 adhesive circular concave point b, bonding concave point b also can select circle or polygon.The surface area of bonding concave point b is at 0.01-10mm
2, total bond area of a plurality of bounding point b comprised in the first sheet material 2 is at 5-50%.
First sheet material 2 is liquid permeability flexible material, be preferably the non-woven fabrics that the chemical fibre containing certain fusing point is made, the fiber here with certain fusing point can be selected obtained by the thermoplastic polymers such as polypropylene, polyethylene, polyethylene terephthalate, or containing the composite fibre that at least two kinds of one-tenth such as polypropylene, polyethylene, polyethylene terephthalate are grouped into, directly net is become by polymer, or the non-woven fabrics that hot blast adhesion, the water thorn mode such as consolidation, chemical adhesion are made.Preferably containing the composite fibre that at least two kinds of one-tenth such as polypropylene, polyethylene, polyethylene terephthalate are grouped into, fibre length is between 38-51mm, fibre fineness is 0.8-5dtex, the curling number of single fiber is many, is roughly the fluffy shape hot blast adhesion non-woven fabrics that waveform or spirality crimping composite fibre are made.The preferred 12-40gsm of basic weight of the first sheet material 2.
Second sheet material 3 is also liquid permeability flexible material, can be the complex of liquid permeability non-woven fabrics or plastic sheeting or liquid permeability non-woven fabrics and plastic sheeting.When selecting liquid permeability non-woven fabrics, preferably have the hot-wind nonwoven cloth that the composite fibre that is grouped into containing polymer fiber at least two kinds of one-tenth such as polypropylene, polyethylene, polyethylene terephthalate is made, fibre length is between 38-51mm, fibre fineness is 1-10dtex, the preferred 8-30gsm of basic weight of the first sheet material 2.First sheet material 2 is lower relative to the second sheet material 3 bulk density.
See accompanying drawing 5, from the side of the horizontal fabric width of composite sheet 1, first sheet material 2 of this composite sheet 1 is consistent at upper and lower vertical direction width with the second sheet material 3, overlapped, composite sheet 1 has all carried out convex-concave bonding at the first sheet material 2 and the overlapped view picture direction of the second sheet material 3, and the first sheet material 2 and the overlapped view picture direction of the second sheet material 3 all have bonding concave point b.
See accompanying drawing 6, from the side of the horizontal fabric width of composite sheet 1, first sheet material 2 of this composite sheet 1 and the second sheet material about 3 vertical direction width inconsistent, relative first sheet material 2 of second sheet material 3 is wider, only have part overlapped, composite sheet 1 has only carried out convex-concave bonding at the first sheet material 2 and the overlapped direction of the second sheet material 3, and the first sheet material 2 and the overlapped direction of the second sheet material 3 all have bonding concave point b, but convex-concave bonding is not carried out in not overlapped with the first sheet material 2 side of the second sheet material 3, still keeps the original form of the second sheet material 3.Certainly, it may occur to persons skilled in the art that, the part that the second sheet material 3 is not overlapped with the first sheet material 2, also can through concavo-convex bonding.
See accompanying drawing 7, from the side of the horizontal fabric width of composite sheet 1, first sheet material 2 of this composite sheet 1 and the second sheet material about 3 vertical direction width inconsistent, relative second sheet material 3 of first sheet material 2 is wider, only have part overlapped, composite sheet 1 has only carried out convex-concave bonding at the first sheet material 2 and the overlapped direction of the second sheet material 3, and the first sheet material 2 and the overlapped direction of the second sheet material 3 all have bonding concave point b, but convex-concave bonding is not carried out in not overlapped with the second sheet material 3 side of the first sheet material 2, still keeps the original form of the first sheet material 2.
See accompanying drawing 8, from the side of the horizontal fabric width of composite sheet 1, first sheet material 2 of this composite sheet 1 and the second sheet material about 3 vertical direction width inconsistent, relative second sheet material 3 of first sheet material 2 is wider, only have part overlapped, composite sheet 1 has not only carried out convex-concave bonding at the first sheet material 2 and the overlapped direction of the second sheet material 3, and first sheet material 2 and the overlapped direction of the second sheet material 3 all there is bonding concave point b, the first simultaneously not overlapped with the second sheet material 3 sheet material 2, also convex-concave bonding has been carried out, and bond concave point b and adhesive bands c to organically combine and around each lobe a, contribute to the shape maintaining lobe a.
The staggered composite sheet 1 of this convex-concave, be applied in absorbent article top layer, there is low density area P1 and the contact human skin of lobe a, liquid first from the P1 of low density area to the high-density region adhesive bands of vertical direction and most high density area bonding concave point infiltration conduction diffusion, in the horizontal direction, liquid finally can flow to the high density area diffusion of adhesive bands.Adhesive bands and lobe a can block liquid to a certain extent and spread to other directions, particularly amount of liquid is large, when skin-material has little time to absorb, and the hollow structure that each lobe a inside has, can the liquid that goes out from body excretes of temporary reservoir, play good lateral leakage protection object.In addition, only having lobe a and contact human skin, is all useful from the viewpoint of dry-ness and breathability.
Below be only preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from this utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (9)
1. an absorbent article composite sheet, comprise the first sheet material and the second sheet material that combine, it is characterized in that: the lobe described first sheet material being arranged with a plurality of hollow, described boss is in the direction away from described second sheet material, at the circular root of each described lobe, several bonding concave points are set, the quantity of described bonding concave point is greater than the quantity of described lobe, the size of described bonding concave point is less than the size of described lobe, adjacent two described bonding concave points are connected by adhesive bands, described first sheet material and the second sheet material bond by described bonding concave point and adhesive bands, the bonding degree of depth of described adhesive bands is greater than the bonding degree of depth of described bonding concave point.
2. absorbent article composite sheet according to claim 1, is characterized in that: in described first sheet material, the sheet density of lobe is minimum, and the sheet density at bonding concave point place is maximum, and the sheet density at adhesive bands place is between the two above-mentioned.
3. absorbent article composite sheet according to claim 1, is characterized in that: the cross sectional shape of described lobe is arch, and the flat shape of described bonding concave point is circular or polygon.
4. absorbent article composite sheet according to any one of claim 1 to 3, is characterized in that: the surface area of described each bonding concave point is 0.01 to 10mm
2, the bond area of all described bonding concave points accounts for 5% to 50% of described first sheet area.
5. absorbent article composite sheet according to any one of claim 1 to 3, it is characterized in that: the material of described first sheet material and the second sheet material is the one in the complex of liquid permeability non-woven fabrics, plastic sheeting, liquid permeability non-woven fabrics and plastic sheeting, the material of described first sheet material and the second sheet material is material of the same race or material not of the same race.
6. absorbent article composite sheet according to any one of claim 1 to 3, is characterized in that: the density of described first sheet material is less than the density of the second sheet material.
7. absorbent article composite sheet according to any one of claim 1 to 3, is characterized in that: the width of described first sheet material and the second sheet material is unequal, and described first sheet material is combined with the second sheet portion.
8. absorbent article composite sheet according to claim 7, is characterized in that: part not overlapping with the second sheet material on described first sheet material, is flat shape.
9. absorbent article composite sheet according to claim 7, it is characterized in that: part not overlapping with the second sheet material on described first sheet material, also there is the lobe of hollow, and around the bonding concave point around this lobe, adjacent two described bonding concave points are connected by adhesive bands.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420808208.1U CN204394814U (en) | 2014-12-19 | 2014-12-19 | Absorbent article composite sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420808208.1U CN204394814U (en) | 2014-12-19 | 2014-12-19 | Absorbent article composite sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204394814U true CN204394814U (en) | 2015-06-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420808208.1U Active CN204394814U (en) | 2014-12-19 | 2014-12-19 | Absorbent article composite sheet |
Country Status (1)
| Country | Link |
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| CN (1) | CN204394814U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104523378A (en) * | 2014-12-19 | 2015-04-22 | 瑞光（上海）电气设备有限公司 | Composite sheet for absorbing type sanitary product |
-
2014
- 2014-12-19 CN CN201420808208.1U patent/CN204394814U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104523378A (en) * | 2014-12-19 | 2015-04-22 | 瑞光（上海）电气设备有限公司 | Composite sheet for absorbing type sanitary product |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |