CN214909284U

CN214909284U - Absorbent product

Info

Publication number: CN214909284U
Application number: CN202022329259.4U
Authority: CN
Inventors: 房雨; 谢高峰
Original assignee: Guangdong Beixi Nursing Supplies Co ltd
Current assignee: Guangdong Beixi Nursing Supplies Co ltd
Priority date: 2020-10-19
Filing date: 2020-10-19
Publication date: 2021-11-30
Anticipated expiration: 2030-10-19

Abstract

The utility model relates to an absorbent article mainly by liquid permeability surface course, liquid-tight nature bottom and arrange in compound core between liquid permeability surface course, the liquid-tight nature bottom, and set up respectively absorbent article's width direction both sides and along the left leak protection of longitudinal direction extension separate limit and right leak protection separate the limit, and this compound core is from last to including first overburden, hot melt adhesive layer, super absorbent resin layer, high fluffy non-woven fabrics layer, super absorbent resin layer, hot melt adhesive layer, second overburden down, high fluffy non-woven fabrics layer includes fluffy hot air fiber net of upper strata, the fluffy hot air fiber net of lower floor hydrophobic fibrous layer between the fluffy hot air fiber net of upper strata, the fluffy hot air fiber net of lower floor, hydrophobic fibrous layer is water repellent fibrous layer, is in simultaneously be provided with the infiltration diffusion slot on the hydrophobic fibrous layer. The utility model discloses there is better longitudinal diffusion nature, is favorable to the urine to both ends diffusion around, improves the absorption performance and the infiltration diffusion performance of absorption product.

Description

Absorbent product

Technical Field

The utility model relates to a disposable absorption articles for use technical field, in particular to absorption products.

Background

Infants and other persons who are unable to take care of themselves often wear absorbent articles such as diapers. The function of a disposable absorbent article is to contain the discharged materials and to isolate these materials from the body of the wearer and from the clothing and bedding. Disposable absorbent articles, such as diapers, typically consist of a liquid pervious topsheet, a liquid impervious backsheet, and an absorbent core disposed between the liquid pervious topsheet and the liquid impervious backsheet to absorb and contain liquid.

The traditional first generation absorption core is an absorption core structure which is formed by uniformly mixing fluff pulp and super absorbent resin and then coating the fluff pulp and the super absorbent resin into a whole by spraying glue on a coating material. The absorbent core has the advantages that the super absorbent resin is uniformly distributed in the fluff pulp fibers, and the wrapping layers are only formed by spraying glue on the upper layer and the lower layer, so that the free space for the super absorbent resin to expand is large, the utilization rate of the super absorbent resin in the absorbent core is high, and the water absorption capacity of the super absorbent resin is high. But simultaneously in order to reduce the cotton breaking problem that sticks together of traditional structure absorption core, generally set up hot light pressure or hot net and press the compaction, make the compliance of traditional absorption core material reduce.

The second generation absorbent core comprises a first covering layer, a hot melt adhesive layer, a high water absorption resin layer, a high fluffy non-woven fabric layer, a high water absorption resin layer, a hot melt adhesive layer and a second covering layer, wherein the first covering layer and the second covering layer are usually dry dust-free paper or hot air non-woven fabric. The absorbent core material with the structure can improve the problem of lump and broken cotton after the high water absorbent resin absorbs urine by fixing the high water absorbent resin in the high fluffy non-woven fabric layer or between the high fluffy non-woven fabric layer and the covering layer, but the high water absorbent resin is intensively fixed on the fluffy cloth, so the diffusion of the absorbent core material is poor, the utilization of two ends of the absorbent core material is low, and the like.

The utility model discloses to the poor, the low problem of core utilization ratio of second generation absorption core material diffusivity, disclose a composite core body that is provided with hydrophobic fibrous layer, this hydrophobic fibrous layer has better longitudinal diffusivity, is favorable to the urine to both ends diffusion around, has promoted the utilization ratio of absorbing the core material.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an absorbent article that has longitudinal diffusivity excellence to the bad problem of diffusivity that current absorbent article exists to reach high diffusion performance and high absorption performance. In order to achieve the above purpose, the utility model adopts the following technical scheme:

the absorbent article mainly by liquid-permeable surface course, liquid-tight nature bottom and arrange in compound core between liquid-permeable surface course, the liquid-tight nature bottom, and set up respectively absorbent article's width direction both sides and along the left leak protection that longitudinal direction extended separate limit and right leak protection and separate limit, its characterized in that: the composite core body comprises a first covering layer, an upper hot melt adhesive layer, a high water absorption resin layer A, a high fluffy non-woven fabric layer, a high water absorption resin layer B, a lower hot melt adhesive layer and a second covering layer from top to bottom, and is characterized in that: the high-fluffiness non-woven fabric layer comprises an upper fluffiness hot air fiber net and a lower fluffiness hot air fiber net, and a hydrophobic fiber layer is arranged between the upper fluffiness hot air fiber net and the lower fluffiness hot air fiber net.

Preferably, the hydrophobic fiber layer is a water-repellent fiber net layer formed by weaving water-repellent fibers with the denier of 2.0-3.0D.

Preferably, a pervaporation channel is provided on the hydrophobic fiber layer. Further preferably, the penetration diffusion grooves comprise longitudinal penetration diffusion grooves extending along the longitudinal direction of the length of the fluffy hot air fiber web, two sides of each longitudinal penetration diffusion groove are respectively connected with a plurality of sections of transverse penetration diffusion grooves extending to two longitudinal side edges along the transverse direction of the width of the fluffy hot air fiber web, and each transverse penetration diffusion groove is communicated with the longitudinal penetration diffusion groove, so that the penetration diffusion grooves with the dendritic shape are formed.

The utility model discloses beneficial effect does: the utility model discloses owing to used the compound core that is equipped with the hydrophobic fiber layer, this kind of core structure characteristics make compound core have better longitudinal diffusivity, are favorable to the urine to both ends diffusion around, simultaneously, the infiltration diffusion slot that sets up on the hydrophobic fiber layer, further improved compound core to the diffusion of liquid, permeability, promoted compound core's utilization ratio by a wide margin to increase substantially the absorption properties and the infiltration diffusion properties of absorbent article.

Drawings

Fig. 1 is a schematic structural view of a composite core provided with a hydrophobic fiber layer.

Fig. 2 is a schematic view of the structure of a high loft nonwoven layer provided with a hydrophobic fiber layer.

Fig. 3 is a schematic structural view of a pervaporation channel provided on a hydrophobic fiber layer.

Fig. 4 is a schematic cross-sectional structure of an absorbent article.

In fig. 1, included are:

1-a first cover layer; 2-upper hot melt adhesive layer; 3-high water absorption resin layer; 4-high loft nonwoven layer;

5-super absorbent resin layer; 6-lower hot melt adhesive layer; 7-second cover layer, 100-composite core provided with a hydrophobic fiber layer.

In fig. 2, included are:

41-upper fluffy hot air fiber net; 42-lower fluffy hot air fiber net, 8-hydrophobic fiber layer.

Included in fig. 3 are:

81-longitudinal infiltration diffusion channel; 82-laterally penetrating the diffusion trench.

In fig. 4, included are:

200-an absorbent article; 201-liquid permeable top sheet; 202-a liquid impermeable backsheet; 203A-left leakage-proof separation edge; 203B-right leakage-proof partition edge.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention clearer and more obvious, the following description of the present invention with reference to the accompanying drawings and embodiments is provided for further details. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Please refer to fig. 1-4.

The structure of the existing composite core body comprises a first covering layer 1, a hot melt adhesive layer 2, a high water absorption resin layer 3, a high fluffy non-woven fabric layer 4, a high water absorption resin layer 5, a hot melt adhesive layer 6 and a second covering layer 7 from top to bottom, and the layers are connected into a whole through the hot melt

adhesive layers

2 and 6. However, in the structure of the composite core body, the high water-absorbent resin is fixed in the high-fluffy non-woven fabric layer or between the high-fluffy non-woven fabric layer and the covering layer, so that the problem of lump formation and cotton breakage of the high water-absorbent resin after urine absorption can be solved, but the high water-absorbent resin is intensively fixed on the fluffy cloth, so that the diffusion of the absorbent core material is poor, and the utilization rate of two ends of the absorbent core material is low.

For solving this technical problem, the utility model discloses establish hydrophobic fibrous layer 8 in composite core 100, this composite core is from last including first overburden 1, hot melt adhesive layer 2, super absorbent resin layer 3, the fluffy non-woven fabrics layer 4 of height, super absorbent resin layer 5, hot melt adhesive layer 6, second overburden 7 down equally, nevertheless the fluffy non-woven fabrics layer 4 of height includes the fluffy hot-blast fiber net 41 of upper strata, the fluffy hot-blast fiber net 41 of lower floor hydrophobic fibrous layer 8 between the fluffy hot-blast fiber net 41 of upper strata, the fluffy hot-blast fiber net 42 of lower floor.

Specifically, the hydrophobic fiber layer 8 is a water-repellent fiber mesh layer, and further, the water-repellent fiber mesh layer is a water-repellent fiber mesh layer woven by water-repellent fibers with the denier of 2.0-3.0D.

The composite core has better longitudinal diffusivity due to the structural characteristics of the composite core, and is beneficial to urine to diffuse to the front end and the rear end.

The utility model discloses a further diffusion, the permeability of compound core to liquid have been improved to promote the utilization ratio of absorbing the core material by a wide margin, set up infiltration diffusion slot on hydrophobic fibrous layer.

In a specific embodiment, the penetration diffusion grooves include a longitudinal penetration diffusion groove 81 extending along the longitudinal direction of the length of the fluffy hot air fiber web, two sides of the longitudinal penetration diffusion groove 81 are respectively connected with a plurality of sections of transverse penetration diffusion grooves 82 extending along the transverse direction of the width of the fluffy hot air fiber web to two longitudinal sides, and each transverse penetration diffusion groove 82 is communicated with the longitudinal penetration diffusion groove 81, so as to form the penetration diffusion grooves with a dendritic shape.

The utility model further provides a concrete implementation mode of the absorbent product 200 on the basis of the composite core body structure. Specifically, the absorbent article 200 mainly comprises a liquid-permeable top sheet 201, a liquid-impermeable bottom sheet 202, and a composite core 100 disposed between the liquid-permeable top sheet and the liquid-impermeable bottom sheet, wherein a left leakage-proof separation edge 203A and a right leakage-proof separation edge 203B extending along the longitudinal direction are respectively disposed on two sides of the width direction of the absorbent article 200, and the absorbent article is structurally characterized in that: the absorbent article 200

The composite core 100 provided with the hydrophobic fiber layer 8 is used, and the penetration diffusion grooves with the dendritic structure formed by the transverse penetration diffusion grooves 82 and the longitudinal penetration diffusion grooves 81 are arranged on the hydrophobic fiber layer 8.

While the foregoing description shows and describes the preferred embodiments of the present invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims

1. The utility model provides an absorbent article, its mainly by liquid permeability surface course, liquid-tight nature bottom and arrange in compound core between liquid permeability surface course, the liquid-tight nature bottom, and set up respectively absorbent article's width direction both sides and along the left leak protection that longitudinal direction extends separate the limit and the limit is separated to right leak protection, compound core is from last to including first overburden, last hot melt adhesive layer, super absorbent resin layer A, the fluffy non-woven fabrics layer of height, super absorbent resin layer B, lower hot melt adhesive layer, second overburden down, its characterized in that: the high-fluffiness non-woven fabric layer comprises an upper fluffiness hot air fiber net and a lower fluffiness hot air fiber net, and a hydrophobic fiber layer is arranged between the upper fluffiness hot air fiber net and the lower fluffiness hot air fiber net.

2. The absorbent article of claim 1, wherein: the hydrophobic fiber layer is a water-repellent fiber net layer formed by weaving water-repellent fibers with the denier of 2.0-3.0D.

3. The absorbent article of claim 1, wherein: and arranging a penetration and diffusion groove with a dendritic structure on the hydrophobic fiber layer.

4. The absorbent article of claim 3, wherein: the penetration diffusion grooves comprise longitudinal penetration diffusion grooves extending along the longitudinal direction of the length of the fluffy hot air fiber web, a plurality of sections of transverse penetration diffusion grooves extending to two longitudinal side edges along the transverse direction of the width of the fluffy hot air fiber web are connected to two sides of the longitudinal penetration diffusion grooves respectively, and each transverse penetration diffusion groove is communicated with the longitudinal penetration diffusion groove to form the dendritic structure.