CN216091069U

CN216091069U - Quick infiltration composite core and baby trousers

Info

Publication number: CN216091069U
Application number: CN202121565048.9U
Authority: CN
Inventors: 刘晓晴; 梁崇驹; 苏艺强
Original assignee: Guangdong Winsun Personal Care Supplies Co ltd
Current assignee: Guangdong Winsun Personal Care Supplies Co ltd
Priority date: 2021-07-08
Filing date: 2021-07-08
Publication date: 2022-03-22
Anticipated expiration: 2031-07-08

Abstract

The utility model relates to the technical field of paper diapers, in particular to a rapid-permeation composite core and infant trousers, wherein the rapid-permeation composite core comprises an upper non-woven fabric layer, a water-absorbing high polymer layer and a lower non-woven fabric layer which are sequentially arranged from top to bottom, the water-absorbing high polymer layer is formed by polymer positioning areas which are arranged in an array mode, and a diversion trench is formed at the boundary of the adjacent polymer positioning areas. According to the utility model, a plurality of diversion trenches can be formed on the water-absorbing macromolecule layer, and the macromolecule positioning regions are arranged in an array manner, so that urine can be rapidly and uniformly diffused to the whole composite core body along the diversion trenches and is rapidly absorbed by the water-absorbing macromolecules in the adjacent macromolecule positioning regions, thereby effectively preventing urine accumulation, reverse osmosis or side leakage, and ensuring the comfort of using the baby pants.

Description

Quick infiltration composite core and baby trousers

Technical Field

The utility model relates to the technical field of paper diapers, in particular to a rapid-permeation composite core and infant pants.

Background

The paper diaper is a common sanitary article for babies, and generally comprises a surface layer, an absorption core layer, a bottom film and a bottom layer, wherein the absorption core layer is a key part of the paper diaper and determines the absorption speed, the absorption capacity, the water locking capacity and the comfort level of the paper diaper, so that the quality of the absorption core layer directly determines the quality of the performance of the paper diaper; the absorption core layer in the existing paper diaper is gradually absorbed by the core layer by slowly permeating and diffusing urine to the periphery, but the absorption speed is low, and the situations of reverse osmosis, side leakage and the like are easily caused, so that the wearing comfort is greatly reduced;

the existing Chinese patent with publication number CN209827257U discloses a paper diaper core body and a paper diaper with a strip-shaped distribution high-molecular absorption resin structure, wherein the core body sequentially comprises lower-layer dust-free paper, lower-layer high-molecular water-absorbent resin, fluffy cotton, upper-layer high-molecular water-absorbent resin and upper-layer dust-free paper from bottom to top, the lower-layer high-molecular water-absorbent resin and the upper-layer high-molecular water-absorbent resin are provided with a layer of strip-shaped distribution structure, and although the arrangement of the strip-shaped distribution structure can play a certain flow guide role, the flow guide path is less, so that the rapid diffusion of urine is not facilitated, and the phenomenon of urine leakage still occurs.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the technical problems that the urine in the prior art is low in diffusion speed, not beneficial to quick absorption, easy to cause reverse osmosis and urine leakage, and poor in dryness and use comfort of the paper diaper, and provides the quick-osmosis composite core and the baby pants which are good in overall diffusion performance, high in utilization rate and high in use comfort.

In order to solve the technical problems, the utility model adopts the technical scheme that: the utility model provides a compound core of rapid permeability, includes from last non-woven fabrics layer, the macromolecule location district that absorbs water and non-woven fabrics layer down that sets gradually, the macromolecule location district that absorbs water comprises the array and arranges constitutes, and adjacent macromolecule location district boundary forms the guiding gutter.

The diversion trenches formed at the boundaries of the adjacent polymer positioning areas can enable a plurality of diversion trenches to be formed on the water-absorbing polymer layer, the total length of the diversion trenches arranged on the water-absorbing polymer layer is greatly prolonged, and then the diversion diffusion of urine is facilitated.

Preferably, the shape of the polymer positioning area is quadrilateral; quadrangle shape's setting makes all there is the guiding gutter around the polymer locating area, and the urine can move along the guiding gutter of four trends when the urine is located the junction of four polymer locating areas, and the urine flows and moves along the guiding gutter of four trends again when the junction of four next polymer locating areas, and such water conservancy diversion setting can make the rapid even diffusion of urine to whole water absorption macromolecule layer on, the polymer of being convenient for absorb water absorbs water the quick absorption of urine.

Preferably, the shape of the polymer positioning area is a diamond shape.

Preferably, the width of the diversion trench is 1 mm-5 mm.

Preferably, the upper non-woven fabric layer and the lower non-woven fabric layer are both made of spunlace non-woven fabrics.

The utility model provides a baby pants, includes close skin surface course, the compound core of quick permeation, hydrophilic parcel non-woven fabrics layer, ventilative basement membrane, bottom and both sides leak protection separate the limit, close skin surface course, the compound core of quick permeation, hydrophilic parcel non-woven fabrics layer, ventilative basement membrane and bottom top-down set up, both sides leak protection separate the limit and set up in the both sides of close skin surface course.

Preferably, the skin-friendly surface layer is provided with bulges and through holes, and the bulges and the through holes are arranged in a staggered mode at intervals; the arrangement of the bulges can enhance the surface area of the skin-friendly surface layer on one hand, further improve the liquid infiltration speed, and reduce the contact area between the skin and the paper diaper on the other hand, thereby ensuring the air permeability and the dryness of the paper diaper; and the arrangement of the through holes can facilitate the rapid infiltration of urine.

Preferably, the shape of the protrusion is a hemisphere.

Preferably, the protrusion and the skin-friendly surface layer are of an integrally formed structure.

Preferably, the width of the hydrophilic-coated nonwoven layer is greater than the width of the rapid-permeation composite core.

Compared with the prior art, the utility model has the beneficial effects that:

1) according to the utility model, a plurality of diversion trenches can be formed on the water-absorbing macromolecule layer, so that the total length of the arrangement of the diversion trenches on the water-absorbing macromolecule layer is greatly prolonged, and the water-absorbing macromolecule positioning areas in the composite core body are arranged in an array manner, so that urine can be rapidly and uniformly diffused to the whole composite core body along the diversion trenches and is rapidly absorbed by water-absorbing macromolecules in the adjacent macromolecule positioning areas, the urine absorption speed of the composite core body is greatly improved, the utilization rate of the composite core body is greatly improved, and the urine accumulation, reverse osmosis or side leakage can be effectively prevented;

2) the skin-friendly surface layer can facilitate the rapid infiltration of urine, and the composite core body can rapidly absorb the urine, so that the dryness of the paper diaper can be ensured, and the use comfort of the paper diaper can be greatly improved.

Drawings

FIG. 1 is a schematic structural view of a rapid-permeability composite core of the present invention;

fig. 2 is a schematic view of the structure of a water-absorbent polymer layer according to the present invention;

FIG. 3 is an expanded view of the infant pants of the present invention;

FIG. 4 is a schematic view of the construction of infant pants of the present invention;

fig. 5 is an enlarged view at a in fig. 4.

In the drawings: 1-rapid penetration composite core, 11-upper non-woven fabric layer, 12-water absorption macromolecule layer, 121-macromolecule positioning area, 122-diversion trench, 13-lower non-woven fabric layer, 2-skin-friendly surface layer, 21-bulge, 22-through hole, 3-hydrophilic wrapping non-woven fabric layer, 4-breathable bottom film, 5-bottom layer, 6-leakproof isolation edge, 7-rear waistline, 71-left and right paste, 72-protective rubber band, 8-front waistline and 9-leg rubber band.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", "long", "short", etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the drawings, it is only for convenience of description and simplicity of description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limitations of the present patent, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.

The technical scheme of the utility model is further described in detail by the following specific embodiments in combination with the attached drawings:

example 1

Fig. 1-2 show an embodiment of a rapid-permeability composite core, which comprises an upper nonwoven fabric layer 11, a water-absorbent polymer layer 12, and a lower nonwoven fabric layer 13, wherein the upper nonwoven fabric layer and the lower nonwoven fabric layer are both made of spunlace nonwoven fabrics; the upper nonwoven fabric layer 11, the water-absorbent polymer layer 12, and the lower nonwoven fabric layer 13 are provided from the top to the bottom, and the upper nonwoven fabric layer 11 and the lower nonwoven fabric layer 13 are bonded to the water-absorbent polymer layer 12 by a hot melt adhesive.

This macromolecular layer 12 that absorbs water comprises array arrangement's polymer locating area 121, it is concrete, this polymer locating area is through ultrasonic wave or glue bonding location technique, separate the polymer that absorbs water for the district and array arrangement forms, the shape of this polymer locating area 121 sets up to the quadrangle, the shape of this polymer locating area 121 is the rhombus in this embodiment, there is certain interval between this polymer locating area 121, the border of adjacent polymer locating area 121 forms guiding gutter 122, the width of this guiding gutter 122 is 1mm ~ 5mm, the width of this guiding gutter 122 sets up to 3mm in this embodiment.

Through the arrangement, a plurality of diversion trenches 122 can be formed on the water-absorbing polymer layer 12, the total length of the arrangement of the diversion trenches on the water-absorbing polymer layer 12 is greatly prolonged, when urine is positioned at the intersection point of the four polymer positioning areas 121, the urine can move along the diversion trenches with four trends, and when the urine flows to the intersection point of the next four polymer positioning areas 121, the urine moves along the diversion trenches with four trends, and because the polymer positioning areas 121 are arranged in an array manner, the urine can be rapidly and uniformly diffused to the whole composite core body along the diversion trenches and is rapidly absorbed by the water-absorbing polymers in the adjacent polymer positioning areas 121, the urine absorption speed of the composite core body on the urine is greatly improved, meanwhile, the utilization rate of the composite core body is greatly improved, the urine accumulation, reverse osmosis or side leakage can be effectively prevented, and the dryness of the composite core body is ensured, thereby greatly improving the comfort of the paper diaper.

In addition, in order to further improve the urine absorption speed of the composite core, the water-absorbing polymer layer can be formed by water-absorbing polymers which are subjected to hollow treatment and internally form a 10-100 mu m flow guide channel, and the water-absorbing polymers are subjected to hollow treatment and internally form the flow guide channel, so that the diffusion of urine in the water-absorbing polymer layer can be further improved, and the rapid absorption of the water-absorbing polymer to the urine is facilitated.

Example 2

Fig. 3-5 show an embodiment of baby pants, which is worn by a baby and has the same sanitary care function as a paper diaper, and specifically includes a fast-permeation composite core 1, a skin-friendly surface layer 2, a hydrophilic coated nonwoven fabric layer 3, an air-permeable bottom film 4, a bottom layer 5 and two side leakage-proof separation edges 6, wherein the skin-friendly surface layer 2, the composite core 1, the hydrophilic coated nonwoven fabric layer 3, the air-permeable bottom film 4 and the bottom layer 5 are arranged from top to bottom, and are bonded together by hot melt adhesive, and the two side leakage-proof separation edges 6 are arranged on two sides of the skin-friendly surface layer 2, thereby achieving the effect of three-dimensional leakage prevention.

The rapid-permeation composite core 1 is the same as the rapid-permeation composite core described in embodiment 1, and is not described herein again, wherein the skin-friendly surface layer 2 is in direct contact with skin, the skin-friendly surface layer 2 is formed by a double-layer hot air non-woven fabric, and the skin-friendly surface layer 2 is provided with protrusions 21 and through holes 22, wherein the protrusions 21 are hemispherical in shape, the protrusions 21 and the through holes 22 are arranged at intervals in a staggered manner, wherein the protrusions 21 and the skin-friendly surface layer 2 are integrally formed, and the protrusions 21 can enhance the surface area of the skin-friendly surface layer, so that the liquid infiltration speed can be increased, on the other hand, the contact area between the skin and the diaper can be reduced, and the air permeability and the dryness of the diaper can be ensured; and the provision of the through-holes 22 may facilitate rapid infiltration of urine.

The hydrophilic wrapping non-woven fabric layer 3 is made of spun-bonded non-woven fabric, the width of the hydrophilic wrapping non-woven fabric layer 3 is larger than that of the rapid-permeation composite core body 1, and therefore the two sides of the hydrophilic wrapping non-woven fabric layer 3 can be turned over to the upper surfaces of the two sides of the rapid-permeation composite core body 1, and the rapid-permeation composite core body 1 can be better wrapped; wherein the breathable basement membrane 4 is a breathable PE membrane, and the bottom layer 5 is made of hot air non-woven fabric.

In addition, the baby pants also comprise a guard, the guard comprises a back waistline 7 and a front waistline 8, the back waistline 7 is an elastic waistline, a guard rubber band 72 is arranged on the back waistline 7, a left sticker 71 and a right sticker 71 are also arranged on the back waistline 7, a front waist sticker is arranged on the front waistline 8, and leg-surrounding rubber bands 9 are also arranged on two sides of the skin-friendly surface layer; the baby pants can be worn on the baby body through the matching of the left and right stickers 71 and the front waist sticker, and the wearing comfort of the baby can be greatly improved through the arrangement of the protective rubber band 72 and the leg-surrounding rubber band 9.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A rapid-permeability composite core body is characterized in that: including from last non-woven fabrics layer (11), the polymer layer (12) that absorbs water and non-woven fabrics layer (13) down set gradually, the polymer layer (12) that absorbs water comprises a plurality of polymer locating areas (121) that the array was arranged, and adjacent polymer locating area (121) border forms guiding gutter (122).

2. A rapid-permeability composite core according to claim 1, wherein: the shape of the macromolecule positioning area (121) is quadrilateral.

3. A rapid-permeability composite core according to claim 2, wherein: the shape of the macromolecule positioning area (121) is a rhombus.

4. A rapid-permeability composite core according to claim 1 or 2, wherein: the width of the diversion trench (122) is 1 mm-5 mm.

5. A rapid-permeability composite core according to claim 1, wherein: the upper non-woven fabric layer (11) and the lower non-woven fabric layer (13) are both made of spunlace non-woven fabrics.

6. An infant pant, characterized by: the rapid-permeation composite core comprises the rapid-permeation composite core body (1) of any one of claims 1 to 5, a skin-friendly surface layer (2), a hydrophilic coated non-woven fabric layer (3), a breathable bottom film (4), a bottom layer (5) and leakage-proof separation edges (6), wherein the skin-friendly surface layer (2), the rapid-permeation composite core body (1), the hydrophilic coated non-woven fabric layer (3), the breathable bottom film (4) and the bottom layer (5) are arranged from top to bottom, and the leakage-proof separation edges (6) are arranged on two sides of the skin-friendly surface layer (2).

7. The infant pant of claim 6, wherein: be equipped with a plurality of archs (21) and through-hole (22) on close skin surface course (2), arch (21) with through-hole (22) interval staggered arrangement.

8. The infant pant of claim 7, wherein: the shape of the bulge (21) is hemispherical.

9. The infant pant of claim 8, wherein: the bulges (21) and the skin-friendly surface layer (2) are of an integrally formed structure.

10. The infant pant of claim 6, wherein: the width of the hydrophilic wrapping non-woven fabric layer (3) is larger than that of the rapid penetration composite core body (1).