CN217091167U - Dry and breathable absorbent article - Google Patents

Abstract

The utility model relates to the field of disposable sanitary products, and provides a dry and breathable absorbent product, which comprises an absorbent product body, wherein the absorbent product body is defined to have a longitudinal direction along the length direction and a transverse direction along the width direction, the absorbent article body is provided with a front waist part, a crotch part and a back waist part which are sequentially connected along the longitudinal direction, the crotch part comprises a skin-friendly surface layer, a flow guide layer, an absorption layer and a leakage-proof bottom layer which are sequentially laminated from top to bottom, the upper surface of the skin-friendly surface layer is provided with a first PU foam net layer, the first PU foam net layer comprises a plurality of first foam slivers and second foam slivers which are in cross connection, two adjacent first foam slivers and two adjacent second foam slivers are connected to form a penetration hole, the absorption layer comprises an upper coating layer, a lower coating layer and an absorption core body arranged between the upper coating layer and the lower coating layer. The disposable diaper solves the problems that the dryness of the surface layer is difficult to ensure and the red buttocks are easy to appear on infants when the existing disposable sanitary article is used.

Description

Dry and breathable absorbent article

Technical Field

The utility model relates to a disposable hygienic product technical field especially relates to a dry and comfortable ventilative absorbent articles for use.

Background

After the baby wears the paper diaper, allergy phenomena such as red buttocks and the like often occur, which is a common disease of the existing paper diaper product. The main reasons for this include: (1) the buttocks of infants are tender and tender in skin, and are exposed in a humid and sultry environment for a long time, and the bred bacteria irritate the skin, so that the skin is allergic. (2) The urine and the excrement can generate ammonia gas to stimulate the hip skin of the infant.

The common practice of the existing manufacturers is to arrange a grid pressing flow guide groove on the surface layer, so as to improve the dryness of the surface layer of the product and reduce the contact between the skin and urine. Such as chinese patent application No.: 202020372389.3 discloses a travelling comfort panty-shape diapers, including preceding waistline and back waistline, the absorbed layer includes the cotton layer of close skin, close skin cotton layer downside bonds in proper order has the drainage layer, absorb core and waterproof ventilative layer, close skin cotton layer, the drainage layer, absorb core and the mutual veneer of waterproof ventilative layer left and right sides and connect, close skin cotton layer openly evenly is equipped with a plurality of horizontal bar indent and a plurality of vertical bar indent, it is the cotton layer of elasticity cloth that the cotton layer downside of non-woven fabrics is to absorb the core upside, it has the filler that absorbs water to absorb the inside packing of core, the cotton layer cross section of elasticity cloth is the wave, the cotton layer depressed part of elasticity cloth is connected with the cotton layer veneer of non-woven fabrics, waterproof ventilative layer cross section is the wave, waterproof ventilative layer depressed part is connected with the cotton layer depressed part veneer of elasticity cloth. The cotton layer of close skin of panty-shape diapers contacts with skin, and the setting of horizontal bar indent and vertical bar indent can prevent the cotton layer of close skin large tracts of land and skin contact, and the skin of being convenient for is ventilative. For another example, chinese patent application No.: 202020223442.3 discloses an antibiotic panty-shape diapers, including panty-shape diapers main part, hydrophilic non-woven fabrics, breathing hole, absorbent core and flavescent sophora root bamboo charcoal filling layer, the one end of panty-shape diapers main part is pasted and is had the back to restraint the waistband, hydrophilic non-woven fabrics is pasted in the central point department on panty-shape diapers main part surface, and the central point department on hydrophilic non-woven fabrics surface is equipped with the gentle cotton layer of skin-friendly, the inside central point department in the gentle cotton layer of skin-friendly department is fixed with the knurling layer that absorbs water, the surface that the knurling absorbed water the layer is equipped with equidistant knurling guiding gutter, and the antibacterial filling layer of nanometer silver is pasted to the lower surface of knurling guiding gutter, the surface that the antibiotic filling layer of nanometer silver was kept away from the knurling guiding gutter is pasted and is had the polymer and absorbed deodorant layer. When excrement is produced, the nano-silver antibacterial filling layer penetrates through the nano-silver antibacterial filling layer under the diversion effect of the embossing diversion trench and rapidly permeates into the water-absorbing core body in the polymer absorbing and deodorizing layer, and the excrement and water are locked by the high-efficiency water-absorbing particles in the water-absorbing core body. The embossing diversion trench (or the strip-shaped pressure trench) is arranged, so that the diffusion absorption speed of urine is improved, the dryness of the surface layer is kept, but along with the continuous absorption of the urine, the super absorbent resin particles in the core body expand, the embossing diversion trench also expands and deforms, the original groove shape cannot be kept, the embossing diversion trench becomes a plane structure, and the effect cannot be achieved.

Some manufacturers increase and coat weak acid oil on the surface non-woven fabric, and neutralize acid and alkali to reduce the generation of ammonia gas, so that certain effect is achieved, but the dryness of the surface layer cannot be guaranteed, and the hidden danger of red butt can still be caused when the skin contacts with excrement for a long time.

SUMMERY OF THE UTILITY MODEL

Therefore, in view of the above, the present invention provides a dry and breathable absorbent article, which solves the problems that the conventional disposable hygienic article is difficult to ensure the dryness of the surface layer and the red buttocks are easy to appear on the infant when in use.

In order to achieve the purpose, the utility model is realized by the following technical proposal:

a dry breathable absorbent article includes an absorbent article body defining an absorbent article body having a longitudinal direction along a length thereof and a transverse direction along a width thereof, the absorbent article body is provided with a front waist part, a crotch part and a back waist part which are sequentially connected along the longitudinal direction, the crotch part comprises a skin-friendly surface layer, a flow guide layer, an absorption layer and a leakage-proof bottom layer which are sequentially laminated from top to bottom, the upper surface of the skin-friendly surface layer is provided with a first PU foam net layer, the first PU foam net layer and the skin-friendly surface layer are bonded and fixed through glue, the first PU foam cotton net layer comprises a plurality of first foam cotton strips and second foam cotton strips which are connected in a cross mode, two adjacent first foam cotton strips and two adjacent second foam cotton strips are connected to form permeation holes, the absorption layer comprises an upper coating layer, a lower coating layer and an absorption core body arranged between the upper coating layer and the lower coating layer.

Further improvement: the inner surfaces of the front waist and the rear waist are provided with a second PU foam net layer, and the second PU foam net layer and the first PU foam net layer are integrally formed.

Further improvement: the thickness of the first PU foam net layer and the second PU foam net layer is 5-8mm, and the width of the first PU foam net layer and the second PU foam net layer is 65-100 mm.

Further improvement: and all layers of the crotch are connected in a seamless mode by glue.

Further improvement: the leak protection bottom is including locating the ventilated membrane of absorbed layer below and locating the hydrophobic non-woven fabrics of ventilated membrane below.

Further improvement: the upper coating layer and the lower coating layer are both elastic non-woven fabric layers.

Further improvement: the penetration holes are arranged in a rectangular or rhombic shape.

Further improvement: the absorbent core includes an upper SAP layer, a lower SAP layer, and an antimicrobial deodorizing layer disposed between the upper SAP layer and the lower SAP layer.

Further improvement: the upper coating layer is provided with a plurality of diversion trenches which are arranged along the longitudinal direction.

By adopting the technical scheme, the beneficial effects of the utility model are that:

present disposable hygienic product prevents that the anti-permeability is not good, and infant's skin contacts with moist top layer large tracts of land, the phenomenon of the red butt easily appears, and first PU bubble cotton web layer texture is soft elastic, when the urine is discharged in a large number, can be through the quick downward conduction diffusion of infiltration hole, keeps apart skin and moist top layer. The utility model discloses a set up first PU bubble cotton mesh layer, reduced the area of contact of infant's skin with the absorptivity articles for use, the moisture can be followed the clearance between skin and the absorptivity articles for use and derived, and the PU bubble cotton mesh of hydrophobicity can also prevent that the urine from reverse oozing, makes first PU bubble cotton mesh layer have the dry and comfortable effect of overlength. Set up the guiding gutter on the upper cover layer, can make the urine permeate down fast and be absorbed the core and lock, improve the infiltration speed of liquid. Through setting up SAP upper strata and SAP lower floor, can improve the imbibition volume, lock liquid better, effectively avoid the reverse osmosis of urine. The setting of antibiotic deodorization layer can reach good antibiotic deodorization effect, effectively kills the bacterium, inhibits breeding of bacterium, avoids giving off of bad smell.

Drawings

Fig. 1 is a schematic view of the overall structure of embodiment 1 of the present invention;

FIG. 2 is a schematic view showing the structure of the crotch part in example 1;

FIG. 3 is a schematic structural view of a first PU foam net layer in embodiment 1;

FIG. 4 is a schematic view of the structure of an absorption layer in example 1;

fig. 5 is a schematic view of the overall structure of embodiment 2 of the present invention.

Detailed Description

The present invention will now be further described with reference to the accompanying drawings and specific embodiments.

Example 1:

referring to fig. 1 to 4, a dry and breathable diaper comprises a diaper body, which is defined to have a longitudinal direction along the length direction and a transverse direction along the width direction, the diaper has a front waist portion 1, a crotch portion 2 and a rear waist portion 3 which are sequentially connected along the longitudinal direction, magic tape stabbing surfaces 4 are arranged at two transverse sides of the rear waist portion 3, a magic tape matt surface 5 corresponding to the magic tape stabbing surfaces 4 is arranged on the outer surface of the front waist portion 1, the crotch portion 2 comprises a first PU foam cotton net layer 6, a skin-friendly surface layer 7, a flow guide layer 8, an absorption layer and a leakage-proof bottom layer 9 which are sequentially stacked from top to bottom, the crotch portions are bonded and fixed by glue, the first PU foam cotton net layer 6 comprises a plurality of first foam slivers 61 and second foam slivers 62 which are cross-connected, two adjacent first foam slivers 61 and two adjacent second foam slivers 62 are connected to form rhombic permeation holes 63, the absorption layer includes upper coating layer 10, lower coating layer 11 and locates the absorption core 12 between upper coating layer 10 and lower coating layer 11, upper coating layer 10 and lower coating layer 11 are the elasticity non-woven fabrics layer, be equipped with a plurality of guiding gutter 13 on the upper coating layer 10, guiding gutter 13 sets up along longitudinal direction, absorption core 12 includes SAP upper strata 121, SAP lower floor 122 and locates the antibiotic deodorization layer 123 between SAP upper strata 121 and SAP lower floor 122, antibiotic deodorization layer 123 is the nanometer silver non-woven fabrics layer, SAP upper strata 121 and SAP lower floor 122 are the mixed layer of SAP and fluff pulp, leak protection bottom 9 is including locating ventilated membrane 91 of absorption layer below and locating the hydrophobic non-woven fabrics 92 of ventilated membrane 91 below.

The thickness of the first PU foam net layer is 5-8mm, such as 5mm, 6mm, 7mm, 8mm, and the thickness of the first PU foam net layer in this embodiment is 6 mm. The width of the first PU foam cotton net layer is 65-100mm, such as 65mm, 70mm, 75mm, 80mm, 85mm, 90mm, 95mm and 100mm, and the width of the first PU foam cotton net layer is 80mm in the embodiment.

The setting of first PU bubble cotton-web layer has reduced the area of contact of infant's skin with the absorptivity articles for use, and the moisture can be followed the clearance between skin and the absorptivity articles for use and derived, and the cotton-web of PU bubble of hydrophobicity can also prevent that the urine from reversely oozing, and its texture is soft flexible, makes the infant dry and comfortable more. When urine is discharged in a large quantity, the urine is quickly conducted and diffused downwards through the permeation holes in the first PU foam cotton net layer, and then is absorbed by the absorption layer through the conduction of the skin-friendly surface layer and the flow guide layer. Set up the guiding gutter on the upper cover layer, can make the urine permeate down fast and be absorbed the core and lock, improve the infiltration speed of liquid. The arrangement of the SAP upper layer and the SAP lower layer improves the liquid absorption amount, can better lock liquid, and effectively avoids reverse osmosis of urine. The setting of antibiotic deodorization layer can reach good antibiotic deodorization effect, effectively kills the bacterium, inhibits breeding of bacterium, avoids giving off of bad smell.

Example 2

Referring to fig. 5, a dry and breathable diaper, wherein the inner surfaces of the front waist portion 1 and the rear waist portion 3 are provided with a second PU foam net layer 14, the second PU foam net layer 14 and the first PU foam net layer 6 are integrally formed, and the other structures are consistent with those of embodiment 1.

The second PU foam cotton net layer improves the dry comfort level of the waist skin, and improves the overall effect of the paper diaper product under the combined action of the second PU foam cotton net layer and the first PU foam cotton net layer, so that the paper diaper is dry and breathable.

And (3) carrying out performance tests on the leakage amount and the rewet amount of the paper diapers, wherein the first sample and the second sample are commercially available paper diaper products, the third sample is the paper diaper with the thickness of the PU foam cotton net layer of 5mm, the fourth sample is the paper diaper with the thickness of the PU foam cotton net layer of 6mm, and the test results are shown in table 1.

TABLE 1

As can be seen from the above table, the paper diaper of the utility model has good reverse osmosis prevention performance, and the rewet capacity is far lower than that of the paper diaper products sold in the market.

While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (9)

1. A dry breathable absorbent article comprising an absorbent article body defining an absorbent article body having a longitudinal direction along its length and a transverse direction along its width, characterized in that: the utility model discloses an absorbent article for use, including absorbing article body, the skin top layer, drainage layer, absorbed layer and leak protection bottom layer, absorbing article body has preceding waist, crotch portion and the back waist that connects gradually along vertically, crotch portion includes by last skin top layer, drainage layer, absorbed layer and the leak protection bottom layer that stromatolite set gradually under to, the upper surface on skin top layer is equipped with first PU bubble cotton network layer, and first PU bubble cotton network layer passes through glue bonding with skin top layer fixedly, first PU bubble cotton network layer includes a plurality of cross connection's first bubble cotton silver and second bubble cotton silver, and two adjacent first bubble cotton slivers and two adjacent second bubble cotton strips are connected and are formed the infiltration hole, the absorbed layer includes upper cladding, lower coating and locates the absorption core between upper cladding and the lower coating.

2. A dry, breathable absorbent article according to claim 1, characterized in that: the inner surfaces of the front waist and the rear waist are provided with a second PU foam net layer, and the second PU foam net layer and the first PU foam net layer are integrally formed.

3. A dry, breathable absorbent article according to claim 2, characterized in that: the thickness of the first PU foam net layer and the second PU foam net layer is 5-8mm, and the width of the first PU foam net layer and the second PU foam net layer is 65-100 mm.

4. A dry, breathable absorbent article according to claim 1, characterized in that: and all layers of the crotch are connected in a seamless mode by glue.

5. A dry, breathable absorbent article according to claim 1, characterized in that: the leak protection bottom is including locating the ventilated membrane of absorbed layer below and locating the hydrophobic non-woven fabrics of ventilated membrane below.

6. A dry, breathable absorbent article according to claim 1, characterized in that: the upper coating layer and the lower coating layer are both elastic non-woven fabric layers.

7. A dry, breathable absorbent article according to claim 1, characterized in that: the penetration holes are arranged in a rectangular or rhombic shape.

8. A dry, breathable absorbent article according to claim 1, characterized in that: the absorbent core includes an upper SAP layer, a lower SAP layer, and an antimicrobial deodorizing layer disposed between the upper SAP layer and the lower SAP layer.

9. A dry, breathable absorbent article according to claim 1, characterized in that: the upper coating layer is provided with a plurality of diversion trenches which are arranged along the longitudinal direction.

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