CN209734333U - High-permeability absorption article capable of preventing bottom leakage - Google Patents

Abstract

The utility model relates to a prevent high ventilative absorption articles for use of end seepage, including main part subassembly and seal assembly or fixed subassembly, the main part subassembly includes liquid permeability top layer, liquid-tight nature lateral leakage prevention layer, liquid-tight nature bottom and sets up the absorbed layer between liquid permeability top layer and liquid-tight nature bottom, the absorbed layer is by absorption core and cladding the parcel layer of absorption core is constituteed, its characterized in that: the liquid-tight bottom layer takes a spun-bonded non-woven fabric as a base material, and a nano fiber accumulation layer is compounded on the spun-bonded non-woven fabric; and a bottom permeation prevention breathable film is arranged between the absorption core and the wrapping layer or between the wrapping layer and the liquid-tight bottom layer, the length of the bottom permeation prevention breathable film in the longitudinal direction is equal to that of the absorption core, but the width of the bottom permeation prevention breathable film in the transverse direction is equal to that of the absorption core, or the width of the bottom permeation prevention breathable film in the transverse direction is 0.5-30mm wider than that of the absorption core. Because the isometric breathable films for preventing bottom leakage are arranged under the absorption core, the problem of bottom leakage of the high-breathability absorption article can be avoided.

Description

High-permeability absorption article capable of preventing bottom leakage

Technical Field

The utility model relates to a disposable high ventilative absorption articles for use technical field especially relates to a prevent high ventilative absorption articles for use that end oozes.

Background

Infants and other incontinent individuals often need to wear absorbent articles such as diapers, sanitary napkins, pull-ups, and the like. Highly breathable absorbent articles function to store and isolate the exudates from the body, clothing, bedding, and the like of the wearer. At present, the water absorbing article mainly comprises a liquid permeable top layer, a liquid impermeable side leakage preventing edge separating layer, a liquid impermeable bottom layer, an absorbing layer and a closed system or a fixed component. The sealing component of the paper diaper is a waist patch type closed system, the sealing component of the pull-up diaper is a pants type closed system consisting of elastic side waistlines, and the fixing component of the sanitary towel and the paper diaper is a sticking system consisting of back glue and release paper thereof and used for fixing the sanitary towel on the underpants. The breathability of absorbent articles is improved, the feeling of stuffiness can be greatly reduced, and the comfort of users is directly improved, so that many companies are dedicated to designing more breathable absorbent articles.

CN201710554911.2 discloses a non-membrane highly breathable skin-friendly paper diaper, the liquid-tight bottom layer of which is designed to be a composite layer of three-high finished non-woven fabric and super-soft spun-bonded non-woven fabric or hot air non-woven fabric.

CN201510505147.0 discloses a waterproof and breathable paper diaper basement membrane, which is formed by directly carrying out electrostatic spinning on superfine fiber non-woven fabric to form a nanofiber accumulation body by utilizing water-conveying high-molecular resin through mass production high-voltage electrostatic spinning equipment, and the produced paper diaper basement membrane compounded by nanofiber and superfine fiber non-woven fabric synthesizes a nanofiber and superfine fiber non-woven fabric breathable bottom layer with high air permeability.

However, this kind of high ventilative panty-shape diapers of no membrane have the problem of the easy end infiltration, consequently, the utility model discloses to the problem of the easy end infiltration of the high ventilative absorption articles for use of no membrane, a prevent the high ventilative absorption articles for use of end infiltration has been proposed, owing to set up the isometric ventilative membrane of preventing the end infiltration under the absorption core, effectively solved the end infiltration problem of the high ventilative absorption articles for use of no membrane, simultaneously will prevent end infiltration gas film constriction and shorten, the gas permeability of tip and left and right sides side promotes by a wide margin around making the high ventilative absorption articles for use of high ventilative, effectively reduces the vexed sense of the high ventilative absorption articles for use of high ventilative.

Disclosure of Invention

An object of the utility model is to provide a prevent high ventilative absorption articles for use that end oozes to solve the problem that current no membrane high ventilative absorption articles for use exists end oozing, for reaching this purpose, the utility model discloses a following technical scheme:

The bottom-leakage-preventing high-breathability absorption article comprises a main body assembly and a sealing assembly or a fixing assembly used for keeping the main body assembly on a wearer, wherein the main body assembly comprises a liquid-permeable top layer, a liquid-impermeable side leakage-preventing layer, a liquid-impermeable bottom layer and an absorption layer arranged between the liquid-permeable top layer and the liquid-impermeable bottom layer, the absorption layer consists of an absorption core and a wrapping layer wrapping the absorption core, the liquid-impermeable bottom layer takes a spunbonded non-woven fabric as a base material, and a nano-fiber stacking layer is compounded on the spunbonded non-woven fabric; and a bottom permeation prevention breathable film is arranged between the absorption core and the wrapping layer or between the wrapping layer and the liquid-tight bottom layer, the length of the bottom permeation prevention breathable film in the longitudinal direction is equal to that of the absorption core, but the width of the bottom permeation prevention breathable film in the transverse direction is equal to that of the absorption core, or the width of the bottom permeation prevention breathable film in the transverse direction is 0.5-30mm wider than that of the absorption core.

Preferably, the water vapor permeability of the bottom permeation prevention breathable film is 8000-.

Preferably, the spunbonded nonwoven fabric is an ultra-soft spunbonded nonwoven fabric with the square gram weight of 13-14g/m2, and the ultra-soft spunbonded nonwoven fabric is an ultra-soft SS spunbonded nonwoven fabric or an ultra-soft SSS spunbonded nonwoven fabric.

Preferably, the nanofiber stack has a grammage of 10-16g/m 2.

Preferably, the hot air non-woven fabric layer is arranged below the spun-bonded non-woven fabric, and the square gram weight of the hot air non-woven fabric layer is 9-12g/m 2.

Wherein, as another embodiment, the bottom-permeation resistant air film is disposed under the wrapper of the absorbent core.

The utility model has the advantages that: the utility model discloses owing to set up between absorption core and liquid-tight nature bottom and prevented the end and ooze the ventilated membrane, effectively solved the end of the high ventilative absorption articles for use of no membrane and oozed the problem, will prevent simultaneously that end infiltration air film constriction shortens, makes the preceding tip of absorption articles for use, back tip and control the gas permeability of side promote by a wide margin, effectively reduces the vexed wet sense of high ventilative absorption articles for use.

Drawings

Figure 1 is a schematic view of the construction of the anti-chassis absorbent article of example 1.

Figure 2 is a schematic view of the construction of the anti-chassis absorbent article of example 2.

In fig. 1: a10-liquid-tight side-leakage-proof edge-separating layer; a 20-liquid permeable topsheet; a 21-liquid permeable flow guiding layer; a 30-absorbent core; a31-bottom leakage prevention breathable film; a32-wrapping layer; a 40-liquid impermeable backsheet; a 50-elastic waist feature; a60-front waist patch; a61-left and right waist paster.

In fig. 2: b10-liquid-tight side-leakage-proof edge-separating layer; b20-liquid permeable topsheet; b21-liquid permeable flow guiding layer; b30-absorbent core; b31-bottom leakage prevention breathable film; b31-wrapping layer; b40-liquid impermeable back sheet; b50-elastic waist feature; b60-front waist patch; b61-left and right waist paster.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

Example 1

The high permeability absorbent article of this embodiment includes a main body component and a closure component for retaining the main body component on a wearer, the closure component being a waist-patch type component. As shown in fig. 1, the main body assembly comprises a liquid-permeable top layer a20, a liquid-permeable flow-guiding layer a21, a liquid-impermeable side leakage-proof layer a10, a liquid-impermeable bottom layer a40 and an absorbent layer arranged between the liquid-permeable top layer a20 and the liquid-impermeable bottom layer a40, wherein the absorbent layer consists of an absorbent core a30 and a wrapping layer a32 thereof, and the closure assembly comprises an elastic waist part a50, a front waist patch a60, and left and right waist patches a 61.

The highly breathable absorbent article of this example has a bottom-permeation resistant breathable film a31 disposed between the absorbent core a30 and the wrapsheet a32, the bottom-permeation resistant film a31 having a length in the longitudinal direction which is the same as the length of the absorbent core a30, but having a width in the transverse direction which is the same as the width of the absorbent core a 30.

As a preferred embodiment of this example, the bottom-permeation preventing gas permeable film A31 of this example has a water vapor permeability of 8000-9800g/cm 2-24 h.

The liquid-impermeable backsheet a40 of this embodiment is implemented by: the liquid-impermeable bottom layer A40 takes a spun-bonded non-woven fabric as a base material, and a nanofiber stacking layer with the square gram weight of 10-16g/m2 is compounded on the spun-bonded non-woven fabric. Wherein the spunbonded nonwoven fabric is super-soft spunbonded nonwoven fabric with the square gram weight of 13-14g/m2, such as super-soft SS spunbonded nonwoven fabric or super-soft SSS spunbonded nonwoven fabric.

As another preferred embodiment of the embodiment, a hot air non-woven fabric layer with a square gram weight of 9-12g/m2 can be arranged under the spun-bonded non-woven fabric layer to increase softness of hand feeling.

This embodiment is owing to set up isometric bottom permeation prevention air film between absorption core A30 and parcel layer A32, has effectively solved the bottom permeation problem of no membrane high permeability absorption articles for use, will prevent simultaneously that bottom permeation air film constriction shortens, makes the front and back tip of high permeability absorption articles for use and controls the gas permeability of side and promote by a wide margin, effectively reduces the vexed wet sense of high permeability absorption articles for use.

Example 2

As shown in fig. 2, the highly breathable absorbent article of this embodiment has a main body assembly including a liquid-permeable top sheet B20, a liquid-permeable flow-guiding layer B21, a liquid-impermeable side-leakage-preventing barrier layer B10, a liquid-impermeable bottom sheet B40, and an absorbent layer disposed between the liquid-permeable top sheet B20 and the liquid-impermeable bottom sheet B40, wherein the absorbent layer is composed of an absorbent core B30 and a wrapping layer B32 thereof, and the closure assembly includes an elastic waist member B50, a front waist patch B60, and left and right waist patches B61.

As shown in FIG. 2, this example differs from example 1 in that the present example has the anti-chassis permeation membrane B31 disposed below the wrapping layer B32 so as to be located between the wrapping layer B32 and the liquid-impermeable back sheet B40, and may also be wider than the absorbent core B30 by 0.5 to 30mm, preferably 10 to 15mm, in width in the transverse direction.

Although the present invention has been described in terms of specific embodiments, the scope of the present invention is not limited to the above-described specific embodiments, and various modifications, changes and substitutions of the present invention are within the scope of the present invention without departing from the spirit of the present invention.

Claims (5)

1. A bottom-leakage-proof high-permeability absorption article comprises a main body component and a closing component or a fixing component used for keeping the main body component on a wearer, wherein the main body component comprises a liquid-permeable top layer, a liquid-impermeable side leakage-proof layer, a liquid-impermeable bottom layer and an absorption layer arranged between the liquid-permeable top layer and the liquid-impermeable bottom layer, the absorption layer consists of an absorption core and a wrapping layer wrapping the absorption core, and the bottom-leakage-proof high-permeability absorption article is characterized in that: the liquid-tight bottom layer takes a spun-bonded non-woven fabric as a base material, and a nano fiber accumulation layer is compounded on the spun-bonded non-woven fabric; and a bottom permeation prevention breathable film is arranged between the absorption core and the wrapping layer or between the wrapping layer and the liquid-tight bottom layer, the length of the bottom permeation prevention breathable film in the longitudinal direction is equal to that of the absorption core, but the width of the bottom permeation prevention breathable film in the transverse direction is equal to that of the absorption core, or the width of the bottom permeation prevention breathable film in the transverse direction is 0.5-30mm wider than that of the absorption core.

2. The bottom-leakage resistant highly breathable absorbent article of claim 1, further comprising: the water vapor permeability of the bottom permeation prevention breathable film is 8000-9800g/cm 2-24 h.

3. The bottom-leakage resistant highly breathable absorbent article of claim 1, further comprising: the spunbonded nonwoven fabric is an ultra-soft spunbonded nonwoven fabric with the square gram weight of 13-14g/m2, and the ultra-soft spunbonded nonwoven fabric is an ultra-soft SS spunbonded nonwoven fabric or an ultra-soft SSS spunbonded nonwoven fabric.

4. The bottom-leakage resistant highly breathable absorbent article of claim 1, further comprising: the square gram weight of the nanofiber stacking layer is 10-16g/m 2.

5. The bottom-leakage resistant highly breathable absorbent article of any of claims 1-4, further comprising: the hot air non-woven fabric layer is arranged below the spun-bonded non-woven fabric, and the square gram weight of the hot air non-woven fabric layer is 9-12g/m 2.