CN105997363B

CN105997363B - Paper diaper for adults

Info

Publication number: CN105997363B
Application number: CN201610429854.0A
Authority: CN
Inventors: 金利伟
Original assignee: Hangzhou Coco Healthcare Products Co Ltd
Current assignee: Hangzhou Coco Healthcare Products Co Ltd
Priority date: 2016-06-15
Filing date: 2016-06-15
Publication date: 2020-02-14
Anticipated expiration: 2036-06-15
Also published as: CN105997363A

Abstract

The invention relates to the field of sanitary products. A diaper for adults comprises an outer cover, an absorber, a leakage-proof retaining wall, leg elastic rubber bands, a back waist elastic component and a magic buckle; the outer cover comprises a non-water-permeable outer layer and a water-permeable inner layer in the thickness direction, and the water-permeable inner layer consists of a hydrophilic area and two non-hydrophilic areas; the front waist area of the outer cover is provided with a barrier strip for preventing granular water-absorbent resin from leaking, and the width of the barrier strip is not less than the maximum width of the absorber at the front waist area. The diaper for adults has the advantages that the granular water-absorbent resin cannot leak out from the front waist region, the production cost is low, and urine cannot leak out along the water-permeable inner layer.

Description

Paper diaper for adults

Technical Field

The invention relates to the field of sanitary products, in particular to a paper diaper for adults.

Background

At present be adult diaper structure on market mainly includes dustcoat, absorber, leak protection barricade, shank elasticity rubber band, magic buckle and back waist elastic component, and the dustcoat includes outer and the water permeability inlayer of non-permeability, and the absorber is in between outer and the water permeability inlayer of non-permeability to pass through glue bonding along the edge of absorber fixed, and leak protection barricade, shank elasticity rubber band and magic buckle are all fixed on the dustcoat, and the magic is buckled and is enclosed and wear diaper on one's body during the use. The absorption body is internally provided with granular water-absorbent resin, namely high-molecular SAP, the non-water-permeable outer layer and the water-permeable inner layer are bonded by glue at the front end part and the rear end part of the length direction of the outer cover, and the non-water-permeable outer layer and the water-permeable inner layer are cut off quickly after passing through the glue bonding process in the actual production process of the production line, so that the non-water-permeable outer layer and the water-permeable inner layer are easy to degum and loosen, and the granular water-absorbent resin cannot leak from the width direction because the positions of the leakage-proof retaining wall and the leg elastic rubber band on the outer cover are positioned at the outer side of the width direction of the absorption body, and the length direction of the back waist elastic component is positioned at the rear side of the length direction of; due to the thickness of the absorbent body, a gap is formed between the water-impermeable outer layer and the water-permeable inner layer on the outer cover near the front end of the absorbent body, and the granular water-absorbent resin is liable to leak out from the front waist region. The anti-leakage retaining wall is divided into a movable part and a fixed part from inside to outside, the fixed part is fixedly connected with the non-water-permeable outer layer through glue, an anti-leakage rubber band is arranged on the inner side part of the movable part, and the middle part of the movable part in the length direction is not fixedly separated from the water-permeable inner layer; the water permeability inlayer is hydrophilic non-woven fabrics, during production, increases hydrophilic finish on hydrophilic non-woven fabrics for the time that the liquid pierces through. The anti-leakage retaining wall is made of water-repellent non-woven fabric. The fixed part of leak protection barricade is stretched into outwards in the hydrophilic non-woven fabrics outside in the width direction, and hydrophilic non-woven fabrics outside end is in between the fixed part and the non-water permeability skin of leak protection barricade in the thickness direction promptly, and the urine can outwards ooze along the water permeability inlayer during the use. In summary, the existing paper diaper for adults has the risk that the granular water-absorbent resin is easy to leak out from the front waist region and urine can seep out along the water-permeable inner layer.

Disclosure of Invention

Aiming at the defects of the prior adult diaper, the invention aims to disclose the adult diaper which can prevent granular water-absorbent resin from leaking outwards and urine from seeping outwards along a water-permeable inner layer.

In order to achieve the purpose, the invention adopts the following technical scheme:

a diaper for adults comprises an outer cover, an absorber, a leakage-proof retaining wall, leg elastic rubber bands, a back waist elastic component and a magic buckle; the outer cover is divided into a front waist region, a crotch region and a rear waist region which are connected into a whole in the length direction, the outer cover comprises a non-water-permeable outer layer and a water-permeable inner layer in the thickness direction, an absorber is positioned between the non-water-permeable outer layer and the water-permeable inner layer, and granular water-absorbent resin is arranged in the absorber; the middle part of the outer cover in the length direction and two sides of the outer cover in the width direction are provided with inwards concave arc-shaped openings; in the thickness direction, the leg elastic rubber band is positioned between the fixed part of the anti-leakage retaining wall and the non-water-permeable outer layer; in the width direction, the anti-leakage retaining wall and the leg elastic rubber band are sequentially arranged at the outer side of the absorber in the width direction, the magic buckles are respectively fixed at the left end part and the right end part of the outer cover of the rear waist region, and the magic buckles at each end part are arranged in parallel along the length direction; in the width direction, the anti-leakage retaining wall is divided into a movable part and a fixed part from inside to outside, and the fixed part is bonded and fixed with the non-water-permeable outer layer; the back waist elastic component is positioned on the back waist region of the outer cover and is positioned at the back side of the length direction of the absorber; in the width direction, the water permeable inner layer is composed of a hydrophilic area and two non-hydrophilic areas, hydrophilic oil is arranged on the hydrophilic area, hydrophilic oil is not arranged on the two non-hydrophilic areas, the hydrophilic area is positioned between the two non-hydrophilic areas, the length of the hydrophilic area is the same as that of the non-hydrophilic areas, the width of the two non-hydrophilic areas is the same, the hydrophilic area and the non-hydrophilic areas are symmetrically arranged along the center of the hydrophilic area, and the liquid passing speed of the hydrophilic area is higher than that of the non-hydrophilic area; in the width direction, the non-hydrophilic area is divided into an inner diffusion part and an outer connecting part from inside to outside, the outer connecting part is fixed between the non-water-permeable outer layer and the fixing part of the leakage-proof retaining wall, the inner diffusion part is positioned between the outer connecting part and the hydrophilic area, and the inner diffusion part is positioned on the inner side of the fixing part of the leakage-proof retaining wall; the width of the non-hydrophilic region is 10-50mm, the width of the hydrophilic region is 215-265mm, the width of the external connection part is 5-25mm, and the width of the internal diffusion part is 5-25 mm; the rear waist elastic assembly comprises an elastic ribbon coating body and an elastic ribbon therein, and the rear end part of the elastic ribbon coating body in the length direction is flush with the rear end part of the outer cover in the length direction; be equipped with the blend stop that prevents that graininess water absorbent resin from spilling on the preceding waist region of dustcoat, blend stop length direction's preceding tip and dustcoat length direction's preceding tip parallel and level, the blend stop width is unanimous with rubber band cladding body width, and the blend stop width is not less than the absorber maximum width in preceding waist region, and the blend stop is the same with rubber band cladding body material.

Preferably, the dimension of the barrier strip in the length direction is 10-30% of the dimension of the rubber band coating body in the length direction.

Preferably, the first three urine penetrations of the hydrophilic region are all less than 5 seconds, the urine penetrations of the non-hydrophilic region are all more than 5 seconds, and the using effect is good.

Preferably, the inner side of the movable part is provided with a leakage-proof rubber band, and the middle part of the movable part in the length direction is not fixedly separated from the water-permeable inner layer. The anti-leakage retaining wall is made of water-repellent non-woven fabric.

As the preferred, the middle part of shank elasticity rubber band is the arc, and the shank elasticity rubber band front and back portion is in the outside of width direction more for shank elasticity rubber band middle part, uses the travelling comfort good.

According to the diaper for adults, the width of the barrier strip is not smaller than the maximum width of the absorber in the front waist region, and the barrier strip ensures that the granular water-absorbent resin cannot leak from the front waist region to the front end of the outer cover; rubber band cladding body length direction's rear end portion and dustcoat length direction's rear end portion parallel and level, blend stop length direction's preceding tip and dustcoat length direction's preceding tip parallel and level, blend stop width and rubber band cladding body width are unanimous, and the blend stop is the same with rubber band cladding body material, and blend stop and rubber band cladding body are cut by a slice material promptly, can adopt one process to accomplish during assembly line production, have reduced the cost of production. The water permeability inner layer is composed of a hydrophilic area and two non-hydrophilic areas, the hydrophilic area is positioned between the two non-hydrophilic areas, the width of the two non-hydrophilic areas is the same, the two non-hydrophilic areas are symmetrically arranged along the center of the hydrophilic area, the liquid passing speed of the hydrophilic area is higher than that of the non-hydrophilic area, the width of the hydrophilic area is 215-265mm, when in use, urine can rapidly pass through the hydrophilic area, and the use comfort level is improved; outer coupling part is fixed between the fixed part of outer and leak protection barricade of non-water permeability, interior diffusion part is in between outer coupling part and the hydrophilic region, interior diffusion part is in the inboard of leak protection barricade fixed part, hydrophilic regional hydrophilic finish that adds, hydrophilic finish is not added in the hydrophilic region of non-, hydrophilic finish on the hydrophilic region can outwards remove to interior diffusion part along with the urine, because hydrophilic finish shifts the restriction that itself has the distance, consequently, interior diffusion part can play the effect of buffering, can guarantee that hydrophilic finish on the hydrophilic region can not shift to outer coupling part along with the urine, the effectual problem of urine along the outside infiltration liquid of water permeability inlayer of having solved. The magic buckles on each end part are two arranged in parallel along the length direction, so that the connection firmness is high, and the use comfort is better. In summary, the diaper for adults has the advantages that the granular water-absorbent resin does not leak out from the front waist region, the production cost is low, and urine does not leak out along the water-permeable inner layer.

Drawings

FIG. 1: the invention discloses a paper diaper for adults, which is a schematic front structure;

FIG. 2: the invention relates to a schematic back structure of a paper diaper for adults;

FIG. 3: schematic representation of a water permeable inner layer in an embodiment of the invention;

FIG. 4: the invention discloses an enlarged structure schematic diagram of a non-permeable outer layer, a leakage-proof retaining wall and a permeable inner layer of a paper diaper for adults.

Detailed Description

This patent is further explained below in conjunction with fig. 1, 2, 3 and 4.

As shown in fig. 1, 2, 3 and 4, the adult diaper mainly comprises an outer cover 1, an absorber 2, a leakage-proof retaining wall 3, leg elastic rubber bands 4, a magic buckle 5 and a back waist elastic component 6.

The outer cover 1 is divided into a front waist region, a crotch region and a rear waist region which are connected into a whole in the length direction, when in use, the front waist region of the adult diaper corresponds to the front waist of a user, the crotch region corresponds to the crotch of the user, and the rear waist region corresponds to the rear waist of the user. The middle part of the length direction and the two sides of the width direction of the outer cover 1 are provided with inwards concave arc-shaped openings, so that the use comfort is good. Including outer 10 of non-permeability and water permeability inlayer 9 in the 1 thickness direction of dustcoat, absorber 2 is in between outer 10 of non-permeability and the water permeability inlayer 9, and on the thickness direction, water permeability inlayer 9 is in the top that outer 10 of non-permeability is, and outer 10 of non-permeability and water permeability inlayer 9 pass through the glue bonding fixed. The magic buckle 5 is positioned on the rear waist region of the outer cover 1. The front waist area of the bottom surface of the non-permeable outer layer is provided with a front waist tape 7 which is matched with the magic buckle 5 for use.

The leakproof retaining wall 3, the leg elastic rubber band 4 and the magic buckle 5 are all fixed on the outer cover 1. The material of leak protection barricade 3 is refused water non-woven fabrics, and on the width direction, leak protection barricade 3 is divided into movable part 31 and fixed part 32 from inside to outside, and fixed part 32 is fixed through the sticky joint with outer 10 of non-permeability, is equipped with the leak protection rubber band on the inside portion of movable part 31, and the middle part of movable part 31 length direction separates with water permeability inlayer 9 and is unsettled. On the thickness direction, shank elasticity rubber band 4 is in between fixed part and the outer 10 of non-permeability, and the middle part of shank elasticity rubber band 4 is the arc, and shank elasticity rubber band 4 front and back portion more is in the outside of width direction for shank elasticity rubber band 4 middle part, uses the travelling comfort good. On the width direction, leak protection barricade 3 and shank elasticity rubber band 4 set gradually in the outside of 2 width directions of absorbent body, and the magic is detained 5 and is fixed tip about back waist region dustcoat 1 respectively, and the magic on each tip is detained 5 and is all two along length direction parallel arrangement.

The water-permeable inner layer 9 is composed of one hydrophilic region 92 and two non-hydrophilic regions 91, the hydrophilic region 92 is located between the two non-hydrophilic regions 91, the two non-hydrophilic regions 91 have the same width and are symmetrically arranged along the center of the hydrophilic region 92, and the liquid passing speed of the hydrophilic region 92 is faster than that of the non-hydrophilic regions. The non-hydrophilic region 91 is divided into an inner diffusion portion 912 and an outer connecting portion 911 from the inside to the outside, the outer connecting portion 911 is fixed between the non-water permeable outer layer 10 and the fixing portion 32 of the leakage preventing wall, the inner diffusion portion 912 is located between the outer connecting portion 911 and the hydrophilic region 92, the inner diffusion portion is located inside the fixing portion of the leakage preventing wall, the width of the non-hydrophilic region 91 is 10-55mm, and the width of the hydrophilic region 92 is 215-265 mm. The width of the external connection portion 911 is 5-25mm and the width of the internal diffusion portion 912 is 5-25 mm. Hydrophilic region 92 is the same length as non-hydrophilic region 91.

During production, hydrophilic oiling agent is added to the hydrophilic region 92 of the water-permeable inner layer 9, hydrophilic oiling agent is not added to the non-hydrophilic region 91, the liquid passing speed of the hydrophilic region 92 is higher than that of the non-hydrophilic region 91, the liquid passing speed is opposite, for example, the three-time penetration time of the water-permeable inner layer 9 is set, the hydrophilic region 92 generally requires the first penetration time to be within 2 seconds, the second penetration time is within 3 seconds, and the third penetration time is within 4 seconds, namely the three-time urine penetration time before the hydrophilic region is less than 5 seconds, the arbitrary one-time urine penetration time of the non-hydrophilic region is greater than 5 seconds, when the paper diaper is used, urine can rapidly pass through the hydrophilic region 92, the urine cannot seep outwards along the width direction, and only can be absorbed downwards by the absorber 2, so that the paper diaper cannot seep laterally, and the use comfort level.

The width of the outer connecting portion 911 is 5-25mm, which ensures the fastening of the water permeable inner layer 9. When the anti-leakage device is used, the hydrophilic oil agent on the hydrophilic region 92 can move outwards to the inner diffusion part 912 along with urine, the inner diffusion part 912 can play a role in buffering due to the limitation of the distance of the transfer of the hydrophilic oil agent, the inner diffusion part 912 is positioned at the inner side of the anti-leakage retaining wall fixing part 32, the width of the inner diffusion part 912 is 5-25mm, the transfer distance of the hydrophilic oil agent is fully considered, the inner diffusion part 912 with the size and the position can ensure that the hydrophilic oil agent on the hydrophilic region 92 can not be transferred to the outer connecting part 911 along with the urine, and the problem that the urine seeps outwards along the water-permeable inner layer 9 is effectively solved.

The position of leak protection barricade 3 and shank elasticity rubber band 4 on dustcoat 1 is in the outside of 2 width direction of absorbing body, and magic buckle 5 and back waist elastic component 6 are fixed on the back waist region of dustcoat 1, and back waist elastic component 6 length direction is in the rear side of 2 length direction of absorbing body. The absorbent body 2 is provided with a cotton core and granular water-absorbent resin, namely water-absorbent polymer SAP.

The back waist elastic assembly 6 comprises an elastic band cladding body 61 and an elastic band 62 in the elastic band cladding body, and the rear end part of the elastic band cladding body 61 in the length direction is flush with the rear end part of the outer cover 1 in the length direction. Be equipped with the blend stop 8 that prevents that graininess water absorbent resin from spilling on the preceding waist region of dustcoat 1, 8 length direction's of blend stop front end portion and 1 length direction's of dustcoat front end portion parallel and level, 8 width of blend stop are unanimous with rubber band cladding body 61 width, and 8 width of blend stop are not less than 2 maximum width in the absorbent in preceding waist region, and blend stop 8 has guaranteed that graininess water absorbent resin can not outwards spill from preceding waist region.

The barrier strip 8 is the same as the rubber band cladding body 61 in material, the dimension of the barrier strip 8 in the length direction is 10% -30% of the dimension of the rubber band cladding body 61 in the length direction, the rubber band cladding body 61 is long, the rubber band 62 needs to be completely wrapped, and the barrier strip 8 only needs to play a role in blocking and does not need to be too long. The barrier strip 8 and the rubber band coating body 61 are cut by a piece of material, most of one piece of material is used as the rubber band coating body 61 of the upper paper diaper in the process of flow line production, and the rest part is used as the barrier strip 8 of the lower paper diaper, so that the production process is convenient, and the production cost is reduced.

In the method for producing the diaper for adults, the hydrophilic oil agent is added to the hydrophilic area 92 of the water-permeable inner layer 9, and the hydrophilic oil agent is not added to the non-hydrophilic area 91; in the assembly line processing, the same piece of material is cut off, one part of the material is used as the rubber band coating body 61 of one piece of paper diaper, and the rest part of the material is used as the barrier strip 8 of the next piece of paper diaper.

Claims

1. A diaper for adults comprises an outer cover, an absorber, a leakage-proof retaining wall, leg elastic rubber bands, a back waist elastic component and a magic buckle; the outer cover is divided into a front waist region, a crotch region and a rear waist region which are connected into a whole in the length direction, the outer cover comprises a non-water-permeable outer layer and a water-permeable inner layer in the thickness direction, an absorber is positioned between the non-water-permeable outer layer and the water-permeable inner layer, and granular water-absorbent resin is arranged in the absorber; the middle part of the outer cover in the length direction and two sides of the outer cover in the width direction are provided with inwards concave arc-shaped openings; in the thickness direction, the leg elastic rubber band is positioned between the fixed part of the anti-leakage retaining wall and the non-water-permeable outer layer; in the width direction, the anti-leakage retaining wall and the leg elastic rubber band are sequentially arranged at the outer side of the absorber in the width direction, the magic buckles are respectively fixed at the left end part and the right end part of the outer cover of the rear waist region, and the magic buckles at each end part are arranged in parallel along the length direction; in the width direction, the anti-leakage retaining wall is divided into a movable part and a fixed part from inside to outside, and the fixed part is bonded and fixed with the non-water-permeable outer layer; the back waist elastic component is positioned on the back waist region of the outer cover and is positioned at the back side of the length direction of the absorber; the water permeable inner layer is characterized in that in the width direction, the water permeable inner layer is composed of a hydrophilic area and two non-hydrophilic areas, hydrophilic oil is arranged on the hydrophilic area, hydrophilic oil is not arranged on the two non-hydrophilic areas, the hydrophilic area is positioned between the two non-hydrophilic areas, the length of the hydrophilic area is the same as that of the non-hydrophilic areas, the width of the two non-hydrophilic areas is the same, the hydrophilic areas are symmetrically arranged along the center of the hydrophilic area, and the liquid passing speed of the hydrophilic area is higher than that of the non-hydrophilic areas; in the width direction, the non-hydrophilic area is divided into an inner diffusion part and an outer connecting part from inside to outside, the outer connecting part is fixed between the non-water-permeable outer layer and the fixing part of the leakage-proof retaining wall, the inner diffusion part is positioned between the outer connecting part and the hydrophilic area, and the inner diffusion part is positioned on the inner side of the fixing part of the leakage-proof retaining wall; the width of the non-hydrophilic region is 10-50mm, the width of the hydrophilic region is 215-265mm, the width of the external connection part is 5-25mm, and the width of the internal diffusion part is 5-25 mm; the rear waist elastic assembly comprises an elastic ribbon coating body and an elastic ribbon therein, and the rear end part of the elastic ribbon coating body in the length direction is flush with the rear end part of the outer cover in the length direction; a baffle strip for preventing granular water-absorbent resin from leaking is arranged at the front waist area of the outer cover, the front end part of the baffle strip in the length direction is flush with the front end part of the outer cover in the length direction, the width of the baffle strip is consistent with that of the rubber band coating body, the width of the baffle strip is not less than the maximum width of the absorber at the front waist area, and the baffle strip and the rubber band coating body are made of the same material;

the size of the barrier strip in the length direction is 10% -30% of that of the rubber band coating body in the length direction, the first three urine penetration times of the hydrophilic area are all less than 5 seconds, and the urine penetration times of the non-hydrophilic area are all greater than 5 seconds.

2. The diaper according to claim 1, wherein the movable portion is provided with a leakage-proof rubber band at an inner side portion thereof, and a middle portion of the movable portion in a longitudinal direction thereof is not fixed to the water-permeable inner layer.

3. The diaper according to claim 1, wherein the leakage preventing walls are made of water-repellent nonwoven fabric.

4. The paper diaper for adults as claimed in claim 1, wherein the middle part of the leg elastic rubber band is arc-shaped, and the front and rear parts of the leg elastic rubber band are positioned more outside in the width direction than the middle part of the leg elastic rubber band.