CN106606396A - Absorption article - Google Patents

Absorption article Download PDF

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Publication number
CN106606396A
CN106606396A CN201510702010.4A CN201510702010A CN106606396A CN 106606396 A CN106606396 A CN 106606396A CN 201510702010 A CN201510702010 A CN 201510702010A CN 106606396 A CN106606396 A CN 106606396A
Authority
CN
China
Prior art keywords
absorbed layer
layer
absorptive core
density
absorbed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201510702010.4A
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Chinese (zh)
Inventor
张小莲
张涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jinwang Suzhou Industry Area Sanitation Supply Co ltd
Original Assignee
Gold HongYe Paper Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gold HongYe Paper Group Co Ltd filed Critical Gold HongYe Paper Group Co Ltd
Priority to CN201510702010.4A priority Critical patent/CN106606396A/en
Publication of CN106606396A publication Critical patent/CN106606396A/en
Pending legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A61F13/534—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
    • A61F13/537—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
    • A61F13/53708—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer the layer having a promotional function on liquid propagation in at least one direction
    • A61F13/53713—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer the layer having a promotional function on liquid propagation in at least one direction the layer having a promotional function on liquid propagation in the vertical direction
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A61F13/534—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
    • A61F13/537—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
    • A61F13/5376—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer characterised by the performance of the layer, e.g. acquisition rate, distribution time, transfer time
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A61F2013/530131—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium being made in fibre but being not pulp
    • A61F2013/530379—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium being made in fibre but being not pulp comprising mixtures of fibres
    • A61F2013/530423—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium being made in fibre but being not pulp comprising mixtures of fibres having different densities
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A61F2013/530868—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium characterized by the liquid distribution or transport means other than wicking layer
    • A61F2013/530927—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium characterized by the liquid distribution or transport means other than wicking layer having longitudinal barriers
    • A61F2013/530934—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium characterized by the liquid distribution or transport means other than wicking layer having longitudinal barriers having a density gradient
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A61F13/534—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
    • A61F13/537—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
    • A61F13/53708—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer the layer having a promotional function on liquid propagation in at least one direction
    • A61F2013/53721—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer the layer having a promotional function on liquid propagation in at least one direction with capillary means

Landscapes

  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Absorbent Articles And Supports Therefor (AREA)

Abstract

The invention discloses an absorption article which comprises a top layer, a bottom layer and an absorption core body between the top layer and the bottom layer. The absorption article further comprises a first absorption layer, a second absorption layer and a third absorption layer between the top layer and the absorption core body, wherein the first absorption layer is close to the top layer, the third absorption layer is close to the absorption core body, and the density of the second absorption layer is lower than that of the first absorption layer and the third absorption layer. In this way, the absorption article can rapidly absorb small amount of liquid appeared rapidly and liquid discharged in many times.

Description

Absorbent item
Technical field
The present invention relates to daily absorbent item technical field, more particularly to a kind of absorbent item.
Background technology
The disposable absorbent articles such as sanitary towel, diaper obtain universal in the life of people Using for absorbing to the urine of the menses and infant of women's physiological phase.At present It was found that, the absorbed layer of multilamellar is set in the disposable sanitary articles, and by the density of absorbed layer by Layer is improved, so that the capillarity of each layer absorbed layer successively strengthens, is absorbed so as to reach to improve The effect of speed.
But in some cases, such as rapidly, repeatedly, the liquid leakage of a small amount of is when occurring, make Existing absorbent item is used, usually as liquid quickly can not be absorbed, causes liquid buildup, The problem for even occurring to leak from disposable sanitary articles, causes user inconvenience.
The content of the invention
The invention mainly solves the technical problem of providing a kind of absorbent item, urgency can be quickly absorbed Gobbet and the liquid repeatedly discharged that speed occurs.
To solve above-mentioned technical problem, one aspect of the present invention is：A kind of suction is provided Articles for use are received, including：
Top layer, its permeable liquid；
Bottom, its impermeable liquid；
Absorptive core, is made up of absorbing material, is arranged between the top layer and the bottom；
First absorbed layer, is arranged between the top layer and the absorptive core；
Second absorbed layer, is arranged between first absorbed layer and the absorptive core；
3rd absorbed layer, is arranged between second absorbed layer and the absorptive core；
Wherein, density and described the of the density of second absorbed layer less than first absorbed layer The density of three absorbed layers.
Wherein, density of the density of the 3rd absorbed layer more than first absorbed layer.
Wherein, the density of first absorbed layer is 0.01～0.015g/cm3, second absorbed layer Density be 0.001～0.008g/cm3, the density of the 3rd absorbed layer is 0.01～0.015 g/cm3。
Wherein, first absorbed layer be fiber non-woven non-woven fabrics, the fiber non-woven nonwoven The fibre fineness of cloth is 2D～6D, and base weight is 10～55g/cm2；Second absorbed layer is fiber Non-weaving cloth, the fibre fineness of the fiber non-woven is 6D～12D, and base weight is 20～70 g/cm2；3rd absorbed layer be Plant fiber's spun-laced nonwoven fabric, Plant fiber's spun lacing nonwoven The fibre fineness of cloth is 1.5D, and base weight is 20～100g/cm2。
Wherein, the thickness of second absorbed layer is less than or equal to 5 millimeters.
Wherein, density of the density of first absorbed layer more than the top layer.
Wherein, High hydrophilous resin is provided between second absorbed layer and the absorptive core.
Wherein, High hydrophilous resin is provided with the absorptive core.
Wherein, the scope for the High hydrophilous resin being provided with the absorptive core is at least 17cm2； It is provided with the absorptive core in the range of the High hydrophilous resin, the absorption every square centimeter Core body includes 0.001～0.009 gram of the High hydrophilous resin；The quality of the High hydrophilous resin is accounted for The ratio of the quality of the absorptive core is 5%～85%.
Wherein, the absorptive core mid portion is narrow compared with two end portions, and the absorptive core length is 22 centimetres, most narrow place's width is 7 centimetres, and widest part width is 8 centimetres.
The invention has the beneficial effects as follows：The situation of prior art is different from, the present invention is by absorbing Arrange the first absorbed layer of the stacking of multilamellar, the second absorbed layer and the 3rd to absorb between core body and top layer Layer, and high density-low-density-highdensity Gradient distribution is formed, near the first absorption of top layer Layer adopts higher density so that liquid is readily absorbed into the first absorbed layer from outside top layer and then is entered Enter middle low-density second absorbed layer, and below low-density second absorbed layer, be highdensity the Three absorbed layers, as highdensity 3rd absorbed layer has higher capillarity, so as to by second The liquid fast transfer of absorbed layer goes out the second absorbed layer, on the other hand, low-density second absorbed layer Space it is relatively bigger so that liquid faster can pass through such that it is able to quickly absorb anxious The gobbet that speed occurs, on the other hand, due to the liquid being stored in low-density second absorbed layer The 3rd absorbed layer is easily transferred to, therefore repeatedly liquid discharge still readily can be inhaled Receive.
Description of the drawings
Fig. 1 is the schematic cross-section of one embodiment of absorbent item of the present invention；
Fig. 2 is the schematic cross-section of another embodiment of absorbent item of the present invention；
Fig. 3 is the generalized section of one embodiment of absorbent item of the present invention.
Specific embodiment
The present invention is described in detail with embodiment below in conjunction with the accompanying drawings.
Embodiment of the present invention provides a kind of absorbent item, and absorbent item also referred to as disposable absorption is used The disposable product of product, absorbability, English name " absorbent disposable products " or " hygiene products ", generally comprises sanltary towel, sanitary pad, tampon, Ying Erzhi Diaper, adult diapers and other adult-incontinence articles, pet pads etc., in embodiment of the present invention Middle absorbent item may refer to above-mentioned various disposable absorbent articles.
Such as Fig. 1～3, the absorbent item of embodiment of the present invention include can pass through liquid top layer 10, The bottom 20 of impermeable liquid and be arranged between bottom 20 and top layer 10 by absorb material The absorptive core 60 that material is constituted；Absorbent item also includes that the first absorbed layer 30, second of stacking is inhaled Layer 40 and the 3rd absorbed layer 50 are received, the first absorbed layer 30 is arranged on top layer 10 and absorptive core 60 Between, the second absorbed layer 40 is arranged between the first absorbed layer 30 and absorptive core 60, and the 3rd Absorbed layer 50 is arranged between the second absorbed layer 40 and absorptive core 60；Wherein, second absorbs Density of the density of layer 40 less than the density and the 3rd absorbed layer 50 of the first absorbed layer 30.
Wherein, the top layer 10 of transparent liquid can be made from conventional material of the prior art, such as The materials such as hydrophilic non-woven, making hole film, cotton, liquid-tight bottom 20 are also prior art In conventional material make, the such as conventional liquid-tight material such as leaching membrane paper, release paper, PE.
Absorptive core 60 is generally compressible, comfortably, does not stimulate user skin and can inhale Receive and accommodate any article of human discharge.Absorptive core 60 can be made into various sizes and shape (such as rectangle, saddle type etc.).Absorptive core 60 can be in symmetric form, with easily operated, it is possible to make This absorbent item is suitably placed on the position that it should be worn by being not required to pay special attention to for user On, certain absorptive core 60 can also be asymmetric.The big I of absorptive core 60 is with use The difference of person and fluid flow to be absorbed and it is different.Methods known in the art can be used, is such as sprayed Glue, direction method, positioning mode or glued spiral, in relative first and the of absorptive core 60 On two first type surfaces, absorptive core 60 respectively with neighbouring such as top layer 10, bottom 20 or the 3rd Absorbed layer 50 is connected.This connection helps to maintain absorbing material globality when in use and can Restoration, so that helping to maintain its optimal absorption.Generally absorptive core 60 can be suitable for Absorbing material include, the commonly referred to as chippy wood pulp of gas felt, creped cellulose filler, Absorbent foam materials, water-absorbing sponge material, staple fibre, polymer fiber or any suitable material The compositionss of material or material.
First absorbed layer 30 of embodiment of the present invention, the second absorbed layer 40 and the 3rd absorbed layer 50 It is cascading above absorptive core 60, it is possible to understand that, the liquid that user is excreted Top layer 10, the first absorbed layer 30, the second absorbed layer 40, the 3rd absorbed layer 50 can be passed sequentially through most Absorbed and be detained by absorptive core 60 afterwards.In the common design of prior art, people are by first Each lamination layer by layer below absorbed layer is arranged to the density for increasing successively so that per layer of lower section has There is higher capillarity, so as to the absorption of accelerating liquid, on the other hand cause to be stayed by absorptive core Stagnant liquid is easily detected by each lamination sheets (capillarity being sequentially reduced) when being squeezed；But Be the inventors discovered that, the lamination sheets that density increases successively, the liquid outside top layer rapidly enter fashionable, Because the increase successively of density, capillary caliber become to gradually decrease, each lamination layer by layer is on the one hand caused The ability of liquid of being detained is reduced, on the other hand cause relatively sticky liquid more difficult quickly through Each lamination sheets, so as to actually result in liquid in top layer and ground floor lamination extended residence time, while As the density of more lamination sheets increases successively so that whole absorber becomes stiffening, reduces use Comfortableness.
And in embodiment of the present invention, the second absorbed layer 40 under the first absorbed layer 30 Density is less than the first absorbed layer 30 so that the capillary tube caliber of the second absorbed layer 40 in the present invention It is relatively large, therefore liquid can rapidly enter the second absorbed layer 40, and in the second absorbed layer Threeth absorbed layer 50 of one density higher than 40 density of the second absorbed layer is set under 40, i.e., the 3rd inhales The capillarity for receiving layer 50 is big with respect to the second absorbed layer 40, so that the second absorbed layer 40 is leaned on The liquid fast transfer in the region of nearly 3rd absorbed layer 50 to the 3rd absorbed layer 50, and then to second The liquid of absorbed layer 40 forms draw, and liquid is quickly through the second absorbed layer 40 and is transferred to 3rd absorbed layer 50.
The relative low-density of the second absorbed layer 40, formed a liquid quickly through pipeline, will Liquid in first absorbed layer 30 is transferred to the 3rd absorbed layer 50, on the one hand 40 phase of the second absorbed layer The certain storage capacity formed to larger capillary tube caliber, on the other hand reduces whole absorption The density of layer so that using more comfortable.
In embodiments of the present invention, the first absorbed layer 30, the second absorbed layer 40 and the 3rd absorb Layer 50 can be made from absorbing material, wherein absorbing material includes, commonly referred to as gas felt Chippy wood pulp, creped cellulose filler, absorbent foam materials, water-absorbing sponge material are artificial The compositionss of fiber, polymer fiber or any suitable material or material.
Stacking of the embodiment of the present invention by the setting multilamellar between absorptive core 60 and top layer 10 The first absorbed layer 30, the second absorbed layer 40 and the 3rd absorbed layer 50, and formed high density- Low-density-highdensity Gradient distribution, the first absorbed layer 30 near top layer 10 is using highly denser Degree so that liquid is readily absorbed into the first absorbed layer 30 from outside top layer 10 and then enters middle Low-density second absorbed layer 40, and be highdensity below low-density second absorbed layer 40 Three absorbed layers 50, as highdensity 3rd absorbed layer 50 has higher capillarity, so as to The liquid fast transfer of the second absorbed layer 40 is gone out into the second absorbed layer 40, on the other hand, low-density The second absorbed layer 40 space it is relatively bigger so that liquid faster can pass through, so as to On the other hand the gobbet for rapidly occurring can be quickly absorbed, due to being stored in low-density the Liquid in two absorbed layers 40 is easily transferred to the 3rd absorbed layer 50, therefore repeatedly liquid Discharge still readily can be absorbed.
Wherein, density of the density of the 3rd absorbed layer 50 more than the first absorbed layer 30, the such 3rd Absorbed layer 50 and the second absorbed layer 40 absorb the difference of the ability of liquid compared with the first absorbed layer 30 and the The difference that two absorbed layer 40 absorbs the ability of liquid is big, is easy to the liquid so that in the second absorbed layer 40 Can fast transfer to the 3rd absorbed layer 50.
Wherein, the density of the first absorbed layer 30 is 0.01～0.015g/cm3, such as 0.01g/cm3、 0.012g/cm3Or 0.015g/cm3Density Deng, the second absorbed layer 40 is 0.001～0.008g/cm3, Such as 0.001g/cm3、0.003g/cm3Or 0.008g/cm3Deng the density of the 3rd absorbed layer 50 For 0.01～0.015g/cm3, such as 0.01g/cm3、0.013g/cm3Or 0.015g/cm3Deng.
Wherein, the first absorbed layer 30 is fiber non-woven non-woven fabrics, fiber non-woven non-woven fabrics Fibre fineness is 2D～6D, and such as 2D, 4D or 6D etc., base weight are 10～55g/cm2, for example 10g/cm2、30g/cm2Or 55g/cm2Deng；Second absorbed layer 40 is fiber non-woven, fine The fibre fineness of dimension non-weaving cloth is 6D～12D, and such as 6D, 8D or 10D etc., base weight are 20～70 g/cm2, such as 20g/cm2、50g/cm2Or 70g/cm2Deng；3rd absorbed layer 50 is that plant is fine Dimension spun-laced nonwoven fabric, the fibre fineness of Plant fiber's spun-laced nonwoven fabric is 1.5D, and base weight is 20～100 g/cm2, such as 20g/cm2、60g/cm2Or 100g/cm2Deng.Wherein, D is fibre fineness A kind of method for expressing, refers to weight grams of 9000 meters of long silks in official regain.
In embodiment of the present invention, the first absorbed layer 30 adopts fiber non-woven non-woven fabrics, its There is under less fineness larger density, the liquid of top layer 10 can be quickly absorbed；Second absorbs Layer 40 adopts fiber non-woven, and which has less density under thicker fineness, can store A certain amount of liquid and 50 liquid of the 3rd absorbed layer can be isolated return and ooze；3rd absorbed layer 50 is adopted Fabric fibre spun-laced nonwoven fabric, in hollow, capillary effect is extremely strong for its Plant fiber essence, can be Transient absorption liquid.
Wherein, in embodiment of the present invention, the thickness of the second absorbed layer 40 can not be too high, if the Two absorbed layers 40 have higher caliper, then liquid can not quickly arrive at the 3rd absorbed layer 50；This In bright embodiment, the thickness of the second absorbed layer 40 is less than or equal to 5 millimeters；Of the invention another In one embodiment, the thickness of the second absorbed layer 40 is less than or equal to 3 millimeters.
Wherein, density of the density of the first absorbed layer 30 more than top layer 10 so that on top layer 10 Liquid can quickly enter the first absorbed layer 30.
Wherein, such as Fig. 2, between the second absorbed layer 40 and absorptive core 60, it is provided with High hydrophilous resin (Super Absorbent Polymer, SAP) 70, i.e., in embodiments of the present invention, can be High hydrophilous resin 70 is set in three absorbed layers 50, also can be in the 3rd absorbed layer 50 and the second absorbed layer High hydrophilous resin 70 is set between 40 or between the 3rd absorbed layer 50 and absorptive core 60, this Sample can strengthen the absorbability of the 3rd absorbed layer 50, be easy to the 50 quick absorption second of the 3rd absorbed layer Liquid in absorbed layer 40.
Wherein, in embodiment of the present invention, in absorptive core 60, High hydrophilous resin has been may also set up (not shown).High hydrophilous resin is set in absorptive core 60 and can improve absorptive core 60 Water absorbing capacity and water holding capacity, to prevent in use, due to the extruding of thigh root, The liquid being stored in absorptive core 60 is extruded into the 10 outer use for contacting with skin and causing of top layer Person's inconvenience.
Super absorbent resin between second absorbed layer 40 and absorptive core 60 and in absorptive core 60 Fat is usually the macromolecular material of slight cross linkage, and the effect of cross linkage is for making these High hydrophilous resins It is substantially insoluble in, the cross linkage agent that can be selected is unsaturated unitary or polybasic carboxylic acid and polyhydric alcohol Binary or polyester, bisacrylamide, two or triallyl amide.More specifically, cross linkage agent Can be N, N '-methylene-bisacrylamide, trimethylolpropane tri acrylate and triallyl Amide.
Wherein, the scope for High hydrophilous resin being provided with absorptive core 60 is at least 17cm2；At other In embodiment, at least 50cm in absorptive core 602In the range of High hydrophilous resin is distributed with, In another embodiment, also High hydrophilous resin can be spread in the whole surface scope of absorbent cores.
It is provided with absorptive core 60 in the range of High hydrophilous resin, absorptive core every square centimeter 60 include 0.001～0.009 gram of High hydrophilous resin；Such as absorptive core 60 every square centimeter is wrapped Containing 0.001 gram, 0.005 gram or 0.009 gram etc. of High hydrophilous resin；In other embodiments, The amount of absorptive core 60 every square centimeter comprising High hydrophilous resin is 0.003～0.009 gram, for example 0.003 gram, 0.006 gram or 0.009 gram etc.；In another embodiment, suction every square centimeter It is 0.004～0.007 gram, such as 0.004 gram or 0.007 to receive amount of the core body 60 comprising High hydrophilous resin Gram etc..
It is 5%～85% that the quality of High hydrophilous resin accounts for the ratio of the quality of absorptive core 60, for example 5%th, 50% or 85% etc.；In other embodiments, the quality of High hydrophilous resin accounts for absorptive core The ratio of 60 quality is 10%～70%, such as 10%, 30% or 70% etc.；High hydrophilous resin Quality account for absorptive core 60 quality ratio be 15%～55%, such as 15%, 35% or 55% Deng.
In other embodiment of the present invention, also can be in the first absorbed layer 30 and the second absorbed layer 40 High hydrophilous resin is set, to improve the water absorbing capacity of the first absorbed layer 30 and the second absorbed layer 40, If being provided with high suction in the first absorbed layer 30, the second absorbed layer 40 and the 3rd absorbed layer 50 Water-resin, should ensure that the water absorbing capacity of the first absorbed layer 30 is better than the 3rd absorption of the second absorbed layer 40 The water absorbing capacity of layer 50 is better than the first absorbed layer 30.
Wherein, the mid portion of the absorptive core 60 of embodiment of the present invention is narrow compared with two end portions, In Os Canitis capitiform, mid portion takes the shape of this opposite, narrow primarily to thigh with user The crotch narrower with the interior underpants of user is adapted, to prevent absorptive core 60 from using process In excessive boundling.Wherein, the present invention is about 22 centimetres of 60 length of absorptive core of embodiment, This length is the length along 60 longitudinal centre line of absorptive core, the width at the most narrow place of absorptive core 60 About 7 centimetres, this width is the breadth wise dimension along 60 cross central line of absorptive core, the widest part Width be 8 centimetres, this width is the horizontal yardstick of absorptive core 60.
The absorbent item of the present invention, can also arrange other adnexaes, such as flap 80 and setting Stickum on flap 80 and release paper 90, are used to help absorbent item and are fixed to user Underwear on, can also have certainly other adnexaes such as VELCRO, Velcro, colour development material etc., can Flexibly to adopt according to the actual needs.
Embodiments of the present invention are these are only, the scope of the claims of the present invention is not thereby limited, it is all It is the equivalent structure or equivalent flow conversion made using description of the invention and accompanying drawing content, or directly Other related technical fields are connect or be used in indirectly, the patent protection of the present invention is included in the same manner In the range of.

Claims (10)

1. a kind of absorbent item, it is characterised in that include：
Top layer, its permeable liquid；
Bottom, its impermeable liquid；
Absorptive core, is made up of absorbing material, is arranged between the top layer and the bottom；
First absorbed layer, is arranged between the top layer and the absorptive core；
Second absorbed layer, is arranged between first absorbed layer and the absorptive core；
3rd absorbed layer, is arranged between second absorbed layer and the absorptive core；
Wherein, density and described the of the density of second absorbed layer less than first absorbed layer The density of three absorbed layers.
2. absorbent item according to claim 1, it is characterised in that the 3rd absorbed layer Density more than first absorbed layer density.
3. absorbent item according to claim 1, it is characterised in that first absorbed layer Density be 0.01～0.015g/cm3, the density of second absorbed layer is 0.001～0.008g/cm3, The density of the 3rd absorbed layer is 0.01～0.015g/cm3。
4. absorbent item according to claim 3, it is characterised in that first absorbed layer For fiber non-woven non-woven fabrics, the fibre fineness of the fiber non-woven non-woven fabrics is 2D～6D, base Weight is 10～55g/cm2；Second absorbed layer be fiber non-woven, the fiber non-woven Fibre fineness be 6D～12D, base weight be 20～70g/cm2；3rd absorbed layer is that plant is fine Dimension spun-laced nonwoven fabric, the fibre fineness of Plant fiber's spun-laced nonwoven fabric is 1.5D, and base weight is 20～100g/cm2。
5. absorbent item according to claim 1, it is characterised in that second absorbed layer Thickness be less than or equal to 5 millimeters.
6. absorbent item according to claim 1, it is characterised in that first absorbed layer Density more than the top layer density.
7. absorbent item according to claim 1, it is characterised in that second absorbed layer High hydrophilous resin is provided between the absorptive core.
8. absorbent item according to claim 1, it is characterised in that in the absorptive core It is provided with High hydrophilous resin.
9. absorbent item according to claim 8, it is characterised in that in the absorptive core The scope for being provided with the High hydrophilous resin is at least 17cm2；The height is provided with the absorptive core In the range of water-absorbing resin, the absorptive core every square centimeter is comprising 0.001～0.009 gram The High hydrophilous resin；The quality of the High hydrophilous resin accounts for the ratio of the quality of the absorptive core For 5%～85%.
10. absorbent item according to claim 1, it is characterised in that in the absorptive core Between part it is narrow compared with two end portions, the absorptive core length be 22 centimetres, most narrow place's width be 7 Centimetre, widest part width is 8 centimetres.
CN201510702010.4A 2015-10-26 2015-10-26 Absorption article Pending CN106606396A (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1305794A (en) * 2000-01-06 2001-08-01 尤妮佳股份有限公司 Hydrolytic absorbing articles
CN101897638A (en) * 2010-06-11 2010-12-01 福建恒安集团有限公司 Disposable adsorption object
US20120071847A1 (en) * 2010-09-21 2012-03-22 Christopher Philip Bewick-Sonntag Disposable Absorbent Article
CN104470477A (en) * 2012-04-13 2015-03-25 利贝尔特克斯 Unitary absorbent structure for absorbent articles comprising an absorbent core and/or an acquisition and distribution layer
EP2901992B1 (en) * 2014-01-31 2016-12-28 Ontex BVBA Multi-layer absorbent material

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1305794A (en) * 2000-01-06 2001-08-01 尤妮佳股份有限公司 Hydrolytic absorbing articles
CN101897638A (en) * 2010-06-11 2010-12-01 福建恒安集团有限公司 Disposable adsorption object
US20120071847A1 (en) * 2010-09-21 2012-03-22 Christopher Philip Bewick-Sonntag Disposable Absorbent Article
CN104470477A (en) * 2012-04-13 2015-03-25 利贝尔特克斯 Unitary absorbent structure for absorbent articles comprising an absorbent core and/or an acquisition and distribution layer
EP2901992B1 (en) * 2014-01-31 2016-12-28 Ontex BVBA Multi-layer absorbent material

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