CN101897638B - Disposable adsorption object - Google Patents
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- CN101897638B CN101897638B CN201010202525.5A CN201010202525A CN101897638B CN 101897638 B CN101897638 B CN 101897638B CN 201010202525 A CN201010202525 A CN 201010202525A CN 101897638 B CN101897638 B CN 101897638B
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Abstract
The invention discloses a disposable adsorption object comprising permeability surface course material (2), liquid-tight ground floor material (5) and adsorption structure between the permeability surface course material (2) and the liquid-tight ground floor material (5), wherein the adsorption structure comprises a plurality of parts and comprises a liquid transport layer and an adsorption layer from top to bottom; the liquid transport layer is provided with a multiple-layer structure; the liquid transport layer is formed by coherent air lay length-grade fiber, air lay cellulose villus fiber, air lay chemical modified cellulose fiber, hydrogel fiber or the composite of the above fibers; the liquid transfer layer can comprise a liquid obtaining layer, a temporary liquid storage layer and a liquid distribution layer from top to bottom; and the liquid transfer layer is provided with cutting lines which are arranged at interval in the width direction and extend lengthways. The adsorption object has the advantages that the adsorption object can cover human body excretions and is comfortable to wear.
Description
Technical field
The present invention relates to disposable adsorption object, relate in particular to and there is the disposable adsorption object that improves transport layer performance.
Background technology
In disposable adsorption object field, disposable absorbent articles and components comprises liquid permeability surface material, opaque liquid primer, and absorbed layer between surface material and primer.Disposable absorbent articles and components for absorb and hold wearer as menses, urine and other Excretas. absorbed layer is for the Excreta of collecting and storing wearer.Absorbed layer generally includes the fibrous batt or the fleece that are made up of the fiber having separated, hydrophilic fibre cellulose fiber loose and fluffing. and this absorbed layer can also comprise microgranule, granule, thin slice or the fiber of super absorbent polymer (SAP).When absorbing articles is accepted after wearer Excreta, absorb and store even if liquid has been absorbed the absorbed layer of article, but wearer still can be felt the humidity of liquid, if these liquid continuously contact with wearer skin, can stimulate human body skin.
A problem of disposable adsorption object is the absorbing articles surface dryness it problem of contact skin.In general, the surface of contact skin is drier, and absorbing articles just makes people feel more comfortable.In order to seek the diffusion of disposable adsorption object, conventionally between surface material and absorbed layer material, one deck transfer layer of liquid is set.In addition, in disposable adsorption object, attempt reducing surperficial moist degree and improved comfort level.In the Chinese patent that is CN1476337A at publication number, the diaper structure that is provided with three-dimensionally shaped porose thermoplastic film between surface layer and absorbed layer is disclosed, porose thermoplastic film is having large space towards that face of absorbed layer, and this scheme can effectively prevent bleeding back of liquid.But it is fast not that Excreta is transferred to the speed of absorbed layer, wearer still feels that surface layer is moistening, uncomfortable, and slop is not had to covering effect.
In addition, for the disposable adsorption object of sanitary towel is in the time absorbing women's menses, the liquid on whole absorbing articles is easy in sight, and particularly on surface material, large-area menses bloodstain allows people feel unpleasant, and this is the dissatisfied part of client.In the Chinese patent that is CN1646073A at publication number, a kind of absorbent item is disclosed, it comprises multi-part liquid absorbing structure, this multi-part liquid absorbing structure comprises first liquid absorption piece and second liquid absorbent portion from top to bottom. part first liquid absorption piece is the bonding flexible fiber matrix that comprises multilayered fibrous material layer, and second liquid absorption piece can be from comprising composite construction, cellulose villus structure, be generally the hydrogel structure of uniform air-laid structures and select.First liquid absorption piece forms liquid is transmitted along the length direction of first liquid absorption piece in the space, interval at lower surface place.But the area of first liquid absorption piece is less than 2/7 of second liquid absorption piece area in this scheme, therefore menses can not be diffused rapidly in second liquid absorption piece.In addition, the fibrous layer flexible fiber matrix that first liquid absorption piece is multilamellar, its lateral dimension is relatively large, and lateral stiffness is large, allows wearer feel uncomfortable, and slop is not had to covering effect.
Summary of the invention
It is a kind of to the improved disposable adsorption object of transfer layer of liquid that the object of the invention is to provide, this absorbing articles have can be by wearer Excreta fast transfer the transfer layer of liquid to absorbed layer.
What another object of the present invention was to provide has covering effect, dresses comfortable disposable adsorption object slop.
According to a kind of disposable adsorption object provided by the invention, it comprises liquid permeability surface material, liquid-tight primer and the absorbing structure between liquid permeability surface layer and liquid-tight primer, and absorbing structure can comprise multiple parts.It can comprise transfer layer of liquid and absorbed layer from top to bottom.Comprise in addition other layer and wrap up integument of each layer etc.Transfer layer of liquid has multiple structure, and transfer layer of liquid is layer bonding, that formed by chemically-modified cellulose fiber, aquagel fibre or their compositions of the cellulose fluff wool fibre of air lay length level fiber, air lay, air lay.The multiple structure of transfer layer of liquid comprises liquid acquisition layer, the interim accumulation layer of liquid and liquid Distribution Layer from top to bottom.Described multiple structure is not to be assembled or compound and form by multilayer material, but manufactures in a continuous manner, there is no between layers absolute boundary, and technology prepared by dust-free paper is preferred.Described liquid transfer layer thickness can be 1.05mm-3.0mm, and wherein the thickness of liquid acquisition layer is 0.3mm-0.8mm, and the interim accumulation layer thickness of liquid is 0.7mm-2.0mm, and liquid Distribution Layer thickness is 0.05mm-0.2mm.The thickness right and wrong of above-mentioned layer are determinate.The weight per unit area of described liquid acquisition layer is 30gsm-50gsm, and the weight per unit area of the interim accumulation layer of described liquid is 85gsm-115gsm, and the weight per unit area of described liquid Distribution Layer is 15gsm-25gsm.Described liquid acquisition layer is made up of bi-component PP/PE synthetic fibers, PET fiber and latex binder resin substantially, and it has 0.03-0.08g/cm
3compared with low-density, porosity is 30-45%, the thickness of 0.3-0.8mm; The interim accumulation layer of described liquid is made up of water absorption synthetic resin, thermoplastic bonding fibers, cellulose fibre and/or modified cellulose fibre substantially, and it has 0.05-0.15g/cm
3intermediate density, porosity is 20-35%, the thickness of 0.7-2.0mm, water absorption synthetic resin accounts for the 0-75wt% of the interim accumulation layer of liquid; Described liquid Distribution Layer is made up of cellulose fibre, binding agent and thermoplastic bonding fibers substantially, and it has 0.15-0.25g/cm
3higher density, porosity is 10-20%, the thickness of 0.05-0.2mm.
In disposable adsorption object, the multiple structure of transfer layer of liquid comprises liquid acquisition layer, the interim accumulation layer of liquid and liquid Distribution Layer from top to bottom.Described liquid acquisition layer has 0.03-0.08g/cm
3compared with low-density and the higher porosity of 30-45%; The interim accumulation layer of described liquid has 0.05-0.15g/cm
3intermediate density and the middle isoporosity of 20-35%; Described liquid Distribution Layer has 0.15-0.25g/cm
3higher density and the lower porosity of 10-20%.The liquid of each layer in the multiple structure of transfer layer of liquid connects each other, and liquid acquisition layer can absorb liquid and by capillarity, liquid fast transfer be opened to the skin (from thickness direction) of user.The interim accumulation layer of liquid can comprise fiber or the SAP material of highdensity netted arrangement; Liquid dispersion layer function is absorb and hold and stay the remaining liquid passing through from storing layer.
This is preferred embodiment that the described transfer layer of liquid of multiple structure is little near the density of surface material one side in the density of thickness direction, density near absorbed layer one side is large, and transfer layer of liquid forms density gradient from the direction near laterally closer absorbed layer one side of surface layer one.The density gradient of the transfer layer of liquid of multiple structure makes the length direction transmission of liquid along transfer layer of liquid, and liquid transfer is arrived to absorbed layer.
As a kind of be preferred embodiment described transfer layer of liquid be provided with width interval arrange, along the longitudinal direction extend line of cut.
Can select embodiment as one, the width of transfer layer of liquid is the 70%-100% of absorbed layer width below, is preferably 90%-100%, most preferably is 100%.The width of transfer layer of liquid is when absorbed layer width is identical below, and menses etc. can be to length direction transmission diffusion on the whole width of disposable adsorption object absorbed layer.The length of transfer layer of liquid is the 30%-70% of absorbed layer length, is preferably 40%-60%.Transfer layer of liquid is defined as to front near a side of surface material, transfer layer of liquid is defined as to the back side near a side of absorbed layer.Mid portion on the width at the length direction two ends of described transfer layer of liquid is the shape outwardly to length direction, and the Length Ratio mid portion protrusion office, protrusion start portion of shape and the distance of each side widthwise edges of transfer layer of liquid that the outwardly shape of mid portion accounts on width will be grown.
Can select embodiment as one, transfer layer of liquid is coloured in approaching face layer material one side at least.It is characterized in that transfer layer of liquid is the one in redness, pink, pale red, blueness in the color of approaching face layer material one side at least.Be the very first time to attract the attention of consumer at the colored beneficial effect of at least approaching face layer material one side of transfer layer of liquid, increase opacifying propertyly, produce joyful sense.
As the optional embodiment of one, between transfer layer of liquid and absorbed layer, be provided with the porose thermoplastic film of one deck, transfer layer of liquid has with porose thermoplastic film the fluid path being communicated with.
According to disposable adsorption object provided by the invention, this absorbing articles has and wearer Excreta fast transfer can be arrived to the transfer layer of liquid of absorbed layer below, and Excreta in transport layer near the diffusion length of absorbed layer one side longer than the diffusion length of close surface layer one side, can there is the effect of effective covering menses.In transfer layer of liquid, can be provided with line of cut, to effectively reduce the lateral stiffness of the transfer layer of liquid of this multiple structure, improve and dress comfort property.The porose thermoplastic film arranging between transfer layer of liquid and absorbed layer can contribute to prevent liquid reverse flow, effectively prevents from bleeding back, and makes the surface layer of disposable adsorption object keep dry and comfortable.
Accompanying drawing explanation
Fig. 1 is the partial sectional view of the disposable adsorption object of first embodiment of the invention;
Fig. 2 is the A-A direction cutaway view of Fig. 1;
Fig. 3 be first embodiment of the invention disposable adsorption object cut open the schematic diagram after surface layer;
Fig. 4 is the schematic diagram of the transfer layer of liquid of Fig. 3;
Fig. 5 is another schematic diagram of the transfer layer of liquid of Fig. 3;
Fig. 6 is the partial sectional view of the disposable adsorption object of second embodiment of the invention;
Fig. 7 is the B-B direction cutaway view of Fig. 6.
In the drawings, 11 is guiding gutter, and 12 is the embossing on surface material, 2 is surface material, and 3 is transfer layer of liquid, and 31 is the longitudinal line of cut in transfer layer of liquid, 32 is the embossed pattern of transfer layer of liquid, 39 is porose thermoplastic film, and 4 is absorbed layer, and 5 is primer, 8 is adhesives, 9 is adherent layer, A-A, and B-B is respectively the width centrage of disposable adsorption object.
The specific embodiment
As Figure 1-Figure 2, a kind of disposable adsorption object, it comprises liquid permeability surface material 2, liquid-tight primer 5 and the absorbing structure between liquid permeability surface material 2 and liquid-tight primer 5, absorbing structure comprises multiple parts, and absorbing structure comprises transfer layer of liquid 3 and absorbed layer 4 from top to bottom.Disposable adsorption object can also comprise disposable adsorption object is adhered to the adhesives 8 on primer 5 that is positioned on wearer medicated clothing, covers the adherent layer 9 of adhesives 8.The width of transfer layer of liquid 3 is the 70%-100% of absorbed layer 4 width, is preferably 90%-100%, most preferably is 100%.The width of transfer layer of liquid 3 and absorbed layer 4 width are when identical, and menses etc. can be to length direction transmission diffusion on the whole width of disposable adsorption object absorbed layer.The length of transfer layer of liquid 3 is the 30%-70% of absorbed layer 4 length, is preferably 40%-60%.Transfer layer of liquid is defined as to front near a side of surface material, transfer layer of liquid is defined as to the back side near a side of absorbed layer.
The multi-component absorbent structure that the present invention uses comprises transfer layer of liquid, this transfer layer of liquid be bonding, there is the flexible fiber matrix that is generally multilayered fibrous material layer.Transfer layer of liquid can have the cellulose fluff wool fibre of multilamellar by air lay length level fiber, air lay, the cellulose fibre of the chemical modification of air lay, the layer that aquagel fibre or their compositions form.In one aspect of the invention, transfer layer of liquid is generally multilamellar.Preferably, at least one deck in fiber matting net is selected from the combination of bonded carded fibrous web, air lay fleece, meltblown fiber web, spunbond fleece, water thorn interlacing fiber net or above-mentioned net.
Adopt binding agent can help to provide mechanical integrity and stability.Binding agent comprises that fiber, liquid or other have thermoactive adhesive article.Adhesive fiber preferably includes those and has the fiber of specific fusing point, for example polyolefin.Have the polymer fiber of corresponding low melting point, it is preferred for example gripping altogether fiber and bicomponent fibre.The polymer fiber with relatively low fusing point is commonly referred to as " can melt fiber ".At this, " polymer of low melting point " refers to those glass transition temperatures lower than the polymer of approximately 175 ℃.Be appreciated that by the glass transition temperature of selective polymer and can make to play the fabric web of Absorption or the structure of adhesive-bonded fabric net has the modification from softness to rigidity.Typical adhesive fiber comprises polyolefin, polyamide and the polyester fiber gripped altogether.
The multiple structure of transfer layer of liquid can comprise liquid acquisition layer, the interim accumulation layer of liquid and liquid Distribution Layer from top to bottom.Transfer layer of liquid can realize several objects, when beginning, securing layer plays quick Absorption, body fluid is absorbed to interim accumulation layer from surface layer fast, the liquid that interim accumulation layer transmits securing layer is stored in wherein temporarily, finally by Distribution Layer by the liquid transfer of the interim storage of interim accumulation layer to absorbed layer below.Described liquid acquisition layer is made up of bi-component PP/PE synthetic fibers, PET fiber and latex binder resin substantially, and it has 0.03-0.08g/cm
3compared with low-density, porosity is 30-45%, the thickness of 0.3-0.8mm; The interim accumulation layer of described liquid is made up of 0-75wt% water absorption synthetic resin, thermoplastic bonding fibers, cellulose fibre and/or modified cellulose fibre substantially, and it has 0.05-0.15g/cm
3intermediate density, porosity is 20-35%, the thickness of 0.7-2.0mm, water absorption synthetic resin accounts for the 0-75wt% of the interim accumulation layer of liquid; Described liquid Distribution Layer is made up of cellulose fiber peacekeeping binding agent, thermoplastic bonding fibers substantially, and it has 0.15-0.25g/cm
3higher density, porosity is 10-20%, the thickness of 0.05-0.2mm.The multiple structure of transfer layer of liquid by the liquid of neighbouring surface fast in transfer layer of liquid and/or below absorbed layer transmit effect.In operating process, liquid is sent to absorbed layer from transfer layer of liquid, and liquid is stored by absorbed layer below at this.Due to the securing layer in the transfer layer of liquid of this multiple structure, interim accumulation layer and Distribution Layer work compound, fast from the Surface absorption of disposable adsorption object and be assigned to absorbed layer, make disposable adsorption object smaller at its surperficial contaminated area liquid.
The standard core body of screening 275mm, core body density is 0.17g/cm
3, core body is sticked on iron plate, and the transfer layer of liquid of multiple structure of the present invention is fixed on core body, adjust addition funnel, make distance that tap hole arrives detected materials in 2-5mm, in the middle of detected materials, mark; Adding viscosity is the Sanguis sus domestica 5ml of 10.08s, leaves standstill 5 minutes, measures the diffusion length of the Sanguis sus domestica of each layer; Repeat to add Sanguis sus domestica 5ml, leave standstill 5 minutes, measure the diffusion length of the Sanguis sus domestica of each layer, record for the first time, the second layer, the data of 5ml for the third time, retest repeatedly, is averaged, test result is as shown in table 1 below:
Table 1
The standard core body that screening length is 275mm, core body density is 0.17g/cm3, core body is sticked on iron plate, and multiple structure liquid transfer layer material of the present invention is fixed on core body, adjust addition funnel, make distance that tap hole arrives detected materials in 2-5mm, in the middle of detected materials, mark; The disposable viscosity that adds is respectively Sanguis sus domestica 5ml, 10ml, the 15ml of 10.08s, leaves standstill 5 minutes, measures the diffusion length of the Sanguis sus domestica of each layer; Retest repeatedly, is averaged, and test result is as shown in table 2 below:
Table 2
The length spreading in the Distribution Layer of transfer layer of liquid is at least 1.7 times of liquid acquisition layer diffusion length, because the density gradient of transfer layer of liquid makes the length direction transmission of liquid along transfer layer of liquid, and the back side diffusion of transfer layer of liquid is longer than positive diffusion length.Transfer layer of liquid shows that by the artificial blood of this body structure surface or according to result of the test the back side diffusion length of transfer layer of liquid is far longer than positive diffusion length, therefore except there is less stain on absorbing articles surface, for the pollution of the disposable adsorption object of sanitary towel has visually been covered, therefore, the absorbing articles that contains this transfer layer of liquid is attractive in appearance in the outward appearance of accepting to absorb after slop, and people is felt pleasure.
Be prepared as respectively sample 1, sample 2, sample 3 and the contrast sample of the disposable adsorption object of sanitary towel, contrast sample is the common sanitary towel that can buy on market, the transfer layer of liquid of sample 1, sample 2, sample 3 is the multiple structure the present invention relates to, the width of transfer layer of liquid width and absorbed layer is basic identical, and length is about 1/2nd of absorbent cores.Divide three samples 1 to the disposable adsorption object that contains multiple structure transfer layer of liquid, sample 2, samples 3 and contrast sample central authorities to apply the Sanguis sus domestica that viscosity is 10.08s, apply the Sanguis sus domestica of 5ml at every turn, measure the infiltration time, after 5 minutes, dry filter paper is placed on the surface material of disposable adsorption object, measures according to the weight change of filter paper the amount of bleeding back absorb 2 minutes under the pressure of 2.5kg after.And finally measure the surface layer applying for 3 times after Sanguis sus domestica and pollute length (being equivalent to the positive diffusion length of transfer layer of liquid), the back side diffusion length of transfer layer of liquid and the diffusion length of absorbed layer.Table 3 is below test testing results:
Table 3
Show according to test testing result, disposable adsorption object provided by the invention, due to the multiple structure of transfer layer of liquid, make liquid be promptly transferred to the inside of absorbed layer, in the overlooking of absorbing articles, conventionally only show as the stain form of for example only having very little circle, therefore give a kind of clean sensation of wearer.Finally, because liquid is stored in the absorbed layer of absorbing structure inside, the surface of absorbing articles is dry and comfortable conventionally in sense of touch, and fewer liquid can contact the surface of this structure, thereby helps avoid wearer's skin irriate and inflammation.
Because transfer layer of liquid is the lateral stiffness that is provided with line of cut 31 and can effectively reduces the transfer layer of liquid of this multiple structure in transfer layer of liquid, improve pliability, improve and dress comfort property.This line of cut carries out cutting processing or can on disposable adsorption object board, carry out cutting on line by cutter to this transfer layer of liquid in the time of transport layer manufacture of materials.As Figure 3-Figure 4, line of cut 31 is generally arranged on interval on width and arranges, extends along the longitudinal direction in transfer layer of liquid 3, and the described line of cut extending is along the longitudinal direction to be preferably the line of cut being interrupted along the longitudinal direction.Generally speaking, the line of cut in transfer layer of liquid is more, and the pliability of this transfer layer of liquid is better.As shown in Figure 5, have embossed pattern 32 if transfer layer of liquid is embossed, described line of cut 31 can be on embossed pattern 32.Line of cut in transfer layer of liquid is the 30%-100% that has cut liquid transfer layer thickness, is preferably 40-70%.Generally speaking, the ratio of thickness that the line of cut in transfer layer of liquid has cut transfer layer of liquid is larger, and the pliability of this transfer layer of liquid is better.
As shown in Fig. 6-7, between the transfer layer of liquid 3 of multiple structure and absorbed layer 4, be provided with the porose thermoplastic film 39 of one deck, the transfer layer of liquid of multiple structure and porose thermoplastic film have the fluid path of connection.Porose thermoplastic film 39 can be by polymer adhesive in a side of the close absorbed layer 4 of the transfer layer of liquid 3 of multiple structure, and as the one deck in the multiple structure of the transfer layer of liquid 3 of multiple structure.Porose thermoplastic film 39 also can be used as the independently one deck between transfer layer of liquid and absorbed layer.Porose thermoplastic film can be preferably three-dimensional apertured thermoplastic film.
Prepare respectively sample 4 and contrast sample, contrast sample is the common sanitary towel that can buy on market, the transfer layer of liquid of sample 4 is the multiple structure the present invention relates to, and be provided with the porose thermoplastic film 39 of one deck between the transfer layer of liquid 3 of multiple structure and absorbed layer 4, the width of transfer layer of liquid width and absorbed layer is basic identical, and length is about 1/2nd of absorbent cores.Divide and apply to the sample central authorities of the disposable adsorption object that contrasts sample and contain this embodiment the Sanguis sus domestica that viscosity is 10.08s three times, apply the Sanguis sus domestica of 5ml at every turn, measure the infiltration time, after 5 minutes, dry filter paper is placed on the surface material of disposable adsorption object, measures according to the weight change of filter paper the amount of bleeding back absorb 2 minutes under the pressure of 2.5kg after.And finally measure the surface layer applying for 3 times after Sanguis sus domestica and pollute length (being equivalent to the positive diffusion length of transfer layer of liquid), the back side diffusion length of transfer layer of liquid and the diffusion length of absorbed layer.Table 4 is below test testing results:
Table 4
Show according to test testing result, disposable adsorption object provided by the invention, due to the multiple structure of transfer layer of liquid, make liquid be promptly transferred to the inside of absorbed layer, in the overlooking of absorbing articles, conventionally only show as the stain form of for example only having very little circle, therefore give a kind of clean sensation of wearer.In addition, porose thermoplastic film 39 can contribute to prevent liquid reverse flow, effectively prevents from bleeding back, and makes the surface layer of disposable adsorption object keep dry and comfortable.
According to a kind of disposable adsorption object provided by the invention have can be by wearer Excreta fast transfer the transfer layer of liquid to absorbed layer, and slop is had advantages of covering effect and dresses comfortable.Below the present invention is described in more detail, but this does not form the restriction to content of the present invention in conjunction with the embodiments.Modification, variation and the modification under same design, made, all fall within the scope of protection of the present invention.
Claims (19)
1. a disposable adsorption object, it comprises liquid permeability surface material, liquid-tight primer and the absorbing structure between liquid permeability surface material and liquid-tight primer, absorbing structure comprises transfer layer of liquid and absorbed layer from top to bottom, transfer layer of liquid has multiple structure, transfer layer of liquid is bonding layer, by the cellulose fluff wool fibre of air lay, the chemically-modified cellulose fiber of air lay, the layer that aquagel fibre or their compositions form, the multiple structure that it is characterized in that described transfer layer of liquid comprises liquid acquisition layer from top to bottom, the interim accumulation layer of liquid and liquid Distribution Layer, wherein said multiple structure is not to be assembled or compound and form by multilayer material, but manufacture in a continuous manner, multiple structure there is no between layers an absolute boundary.
2. disposable adsorption object as claimed in claim 1, is characterized in that described liquid acquisition layer is made up of bi-component PP/PE synthetic fibers, PET fiber and latex binder resin substantially; The interim accumulation layer of described liquid is made up of water absorption synthetic resin, thermoplastic bonding fibers, cellulose fibre and/or modified cellulose fibre substantially, and wherein water absorption synthetic resin accounts for the 0-75wt% of the interim accumulation layer of liquid; Described liquid Distribution Layer is made up of cellulose fibre, binding agent and thermoplastic bonding fibers substantially.
3. disposable adsorption object as claimed in claim 1, it is characterized in that described liquid transfer layer thickness is 1.05mm-3.0mm, wherein the thickness of liquid acquisition layer is 0.3mm-0.8mm, and the interim accumulation layer thickness of liquid is 0.7mm-2.0mm, and liquid Distribution Layer thickness is 0.05mm-0.2mm.
4. disposable adsorption object as claimed in claim 1, the weight per unit area that it is characterized in that described liquid acquisition layer is 30gsm-50gsm, the weight per unit area of the interim accumulation layer of described liquid is 85gsm-115gsm, and the weight per unit area of described liquid Distribution Layer is 15gsm-25gsm.
5. disposable adsorption object as claimed in claim 1, it is characterized in that described transfer layer of liquid is little near the density of surface material one side in the density of thickness direction, density near absorbed layer one side is large, and forms density gradient at thickness direction from the direction near laterally closer absorbed layer one side of surface material one.
6. disposable adsorption object as claimed in claim 5, the density that it is characterized in that described liquid acquisition layer is 0.03-0.08g/cm
3, the density of the interim accumulation layer of described liquid is 0.05-0.15g/cm
3, the density of described liquid Distribution Layer is 0.15-0.25g/cm
3.
7. disposable adsorption object as claimed in claim 5, the porosity that it is characterized in that described liquid acquisition layer is 30%-45%, and the porosity of the interim accumulation layer of described liquid is 20%-35%, and the porosity of liquid Distribution Layer is 10%-20%.
8. the disposable adsorption object as described in claim 5 or 6, the density gradient that it is characterized in that the transfer layer of liquid of multiple structure makes the length direction transmission of liquid along transfer layer of liquid, and by liquid transfer to the absorbed layer below it.
9. the disposable adsorption object as described in claim as arbitrary in claim 5-7, is characterized in that applying after liquid and abundant absorption to absorbing articles, and described transfer layer of liquid is longer than the diffusion length of close surface material one side in the diffusion length near absorbed layer one side.
10. disposable adsorption object as claimed in claim 1, is characterized in that described transfer layer of liquid is provided with the line of cut that interval on width is arranged, extended along the longitudinal direction.
11. disposable adsorption objects as claimed in claim 10, is characterized in that described line of cut is the line of cut being interrupted along the longitudinal direction.
12. disposable adsorption objects as claimed in claim 10, is characterized in that described transfer layer of liquid has embossing, and described line of cut is positioned on the pattern of embossing.
13. disposable adsorption objects as claimed in claim 1, is characterized in that described transfer layer of liquid is coloured in a side of approaching face layer material at least.
14. disposable adsorption objects as claimed in claim 13, is characterized in that described transfer layer of liquid is red or blue in the color of approaching face layer material one side at least.
15. disposable adsorption objects as claimed in claim 13, is characterized in that described transfer layer of liquid is pale red in the color of approaching face layer material one side at least.
16. disposable adsorption objects as claimed in claim 13, is characterized in that described transfer layer of liquid is pink in the color of approaching face layer material one side at least.
17. disposable adsorption objects as claimed in claim 1, is characterized in that being provided with the porose thermoplastic film of one deck between transfer layer of liquid and absorbed layer, and transfer layer of liquid and porose thermoplastic film have the fluid path of connection.
18. disposable adsorption objects as claimed in claim 1, the width that it is characterized in that transfer layer of liquid is the 70%-100% of absorbed layer width, the length of transfer layer of liquid is the 30%-70% of absorbed layer length.
19. disposable adsorption objects as claimed in claim 18, the width that it is characterized in that transfer layer of liquid is the 90%-100% of absorbed layer width, the length of transfer layer of liquid is the 40-60% of absorbed layer length.
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| CN106606396A (en) * | 2015-10-26 | 2017-05-03 | 金红叶纸业集团有限公司 | Absorption article |
| CN105395319A (en) * | 2015-12-14 | 2016-03-16 | 福建恒安集团有限公司 | Disposable absorbing article |
| WO2018004564A1 (en) * | 2016-06-29 | 2018-01-04 | Kimberly-Clark Worldwide, Inc. | Absorbent article with an absorbent system having an opening |
| CN109394426A (en) * | 2018-11-19 | 2019-03-01 | 福建恒安集团有限公司 | A kind of disposable adsorption object |
| WO2021022547A1 (en) * | 2019-08-08 | 2021-02-11 | The Procter & Gamble Company | Feminine hygiene pad and method for isolating microorganisms from a wearer's skin |
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|---|
| JP特开2004-298411A 2004.10.28 |
| JP特开2008-237449A 2008.10.09 |
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| CN101897638A (en) | 2010-12-01 |
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Effective date of registration: 20170322 Address after: 362261 Fujian city of Quanzhou province Jinjiang City pit (pit brand industrial city Jingyang Road, No. 1) Patentee after: FUJIAN HENGAN HOUSEHOLD LIFE ARTICLE CO., LTD. Address before: 362261 Fujian province Jinjiang Anhai Heng Industrial City Patentee before: Group Co., Ltd. Tai An in Fujian Patentee before: Fujian Hengan Hygiene Material Co., Ltd. Patentee before: Fujian HengAn Saitary Material Co., Ltd. |