CN213465655U

CN213465655U - Low-odor paper diaper

Info

Publication number: CN213465655U
Application number: CN202020974703.5U
Authority: CN
Inventors: 陈翠玲; 明亮
Original assignee: Guangdong Winsun Personal Care Supplies Co ltd; Zhejiang Yusheng Personal Care Products Co ltd; Hunan Yusheng Personal Care Products Co ltd
Current assignee: Guangdong Winsun Personal Care Supplies Co ltd; Zhejiang Yusheng Personal Care Products Co ltd; Hunan Yusheng Personal Care Products Co ltd
Priority date: 2020-06-01
Filing date: 2020-06-01
Publication date: 2021-06-18
Anticipated expiration: 2030-06-01

Abstract

The utility model relates to a panty-shape diapers field, more specifically relates to a low smell panty-shape diapers, including surface course, imbibition core and the bottom that sets gradually, the imbibition core absorbs water layer, first fluffy non-woven fabrics layer, activated carbon layer, the fluffy non-woven fabrics layer of second, the second polymer absorbs water layer and ventilative bottom for ventilative top layer, first polymer in proper order. The activated carbon layer is composed of granular activated carbon, and a groove for containing the activated carbon is formed in the surface, close to the activated carbon layer, of the second fluffy non-woven fabric layer. The paper diaper has the advantages that the active carbon layer is arranged in the liquid absorption core body, so that the peculiar smell in the liquid absorption core body can be absorbed, the peculiar smell is prevented from being diffused to the outside of the liquid absorption core body, the absorption effect on the peculiar smell is better, and the paper diaper cannot emit the peculiar smell to the outside or only emits the peculiar smell which is not easy to be perceived when in use.

Description

Low-odor paper diaper

Technical Field

The utility model relates to a panty-shape diapers field, more specifically relates to a low smell panty-shape diapers.

Background

The diaper is a disposable paper incontinence article, which is mainly used for absorbing excrement of users. And the excrement has large peculiar smell and can affect the surrounding air environment. If the user is a baby, the smell of the baby is tender and weak, and the peculiar smell can cause discomfort of the smell of the baby; if the user is an adult, the odor may affect normal outgoing activities or daily lives of the adult.

In order to solve the above problems, patent document No. CN201920059322.1 discloses an adult diaper with good elasticity and strong air permeability, in which the main body of the adult diaper comprises a surface coating layer, an absorption core layer, an activated carbon layer and a bottom film layer, the absorption core layer is fixed at the bottom of the surface coating layer, the activated carbon layer is fixed at the bottom of the absorption core layer, and the activated carbon layer is arranged between the absorption core layer and the bottom film layer, so that the activated carbon layer can absorb the unpleasant odor emitted by the excrement. In this scheme, the smell is mainly sent by absorbing the sandwich layer, to absorbing the diffusion all around of sandwich layer, and the activated carbon layer setting that is used for adsorbing the smell is in the one side outside absorbing the sandwich layer, leads to the activated carbon layer can't adsorb the smell of other directions well, and the effect of removing the flavor is poor.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome among the above-mentioned prior art active carbon layer to the poor problem of peculiar smell absorption effect, provide a low smell panty-shape diapers, can adsorb the peculiar smell of core better, remove the flavor effect better.

In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a low smell panty-shape diapers, is including surface course, imbibition core and the bottom that sets gradually, the imbibition core is ventilative top layer, first polymer layer, the fluffy non-woven fabrics layer of absorbing water, activated carbon layer, the fluffy non-woven fabrics layer of second, the second polymer layer of absorbing water and ventilative bottom in proper order.

Urine or other liquid of user's excrement can get into the imbibition core through the surface course, and the liquid that gets into behind the imbibition core is absorbed by first polymer layer that absorbs water, absorbs water the layer at first polymer and absorbs water after full liquid, and partly liquid can continue to flow down to the second polymer layer that absorbs water, absorbs water the layer through the second polymer at last and accomplishes the absorption to liquid. The peculiar smell and partial liquid of the liquid passing through the activated carbon layer can be absorbed by the activated carbon, and other peculiar smell can firstly flow and flee in the liquid absorbing core body.

Preferably, the activated carbon layer is composed of granular activated carbon, and a groove for containing the activated carbon is formed in the surface, close to the activated carbon layer, of the second fluffy non-woven fabric layer. The granular activated carbon has more contact surface area and better adsorption effect. The active carbon tiling can enough restrict the active carbon on the fluffy non-woven fabrics layer of second with the recess on the recess, can avoid the active carbon to pile up simultaneously, has increased the thickness on active carbon layer.

Preferably, the first bulky nonwoven layer is attached to a surface of the second bulky nonwoven layer. The first fluffy non-woven fabric layer can combine two fluffy non-woven fabrics together in a hot-pressing and attaching mode, so that the activated carbon on the second fluffy non-woven fabric layer is completely fixed between the first fluffy non-woven fabric layer and the second fluffy non-woven fabric layer, and the core body structure is more stable.

Preferably, the thickness of the second high polymer water absorption layer is 65-75% of that of the first high polymer water absorption layer. First polymer absorbs water the layer because contact liquid, therefore most liquid all can be absorbed away by first polymer layer that absorbs water, and the second polymer layer that absorbs water need not to absorb too much liquid, is guaranteeing the colleague of imbibition core body effect of absorbing water, in order to reduce the volume of imbibition core body, reduces the thickness that the second polymer layer that absorbs water.

Preferably, the thickness of the activated carbon layer is 20% -40% of the total thickness of the first polymer water-absorbing layer and the second polymer water-absorbing layer. The thickness of the first polymer water absorption layer and the second polymer water absorption layer determines the water absorption amount, and the water absorption amount also determines the concentration of the peculiar smell, so that the thickness of the activated carbon layer needs to be adjusted according to the thickness of the two water absorption layers, and the activated carbon layer can be ensured to absorb the peculiar smell in the liquid absorption core as much as possible.

Preferably, a cover layer is included for covering the absorbent core and a cover layer is included between the cover layer and the cover layer. The parcel layer can protect the imbibition core, can block simultaneously not by activated carbon adsorption's peculiar smell diffusion, because the imbibition core is close to one side of surface course and does not have the activated carbon that can adsorb the peculiar smell, compares in other directions of imbibition core, and this direction diffusion can be followed easily to the peculiar smell, consequently, increases a overburden and blocks the diffusion of peculiar smell. The odor is further processed by the wrapping layer and the covering layer to be limited in the inner part of the paper diaper.

Preferably, the bottom layer is provided with urine display glue, and the wrapping layer is provided with an opening at one side close to the bottom layer. Because can not follow the peculiar smell and judge whether panty-shape diapers have had the excrement, consequently show the state of the imbibition core body through urine through setting up urine at the bottom, show the glue through urine, partial liquid permeates to urine through the opening of parcel layer and shows the glue.

Preferably, the bottom layer includes waterproof membrane and non-woven fabrics extexine, the waterproof membrane pass through the hot melt adhesive with the laminating of imbibition core body, urine shows the glue set up in the waterproof membrane with between the imbibition core body. The waterproof membrane can prevent that the liquid of imbibition core from to the bottom seepage, and urine shows gluey be hot melt colloid, shows the urine glue and the hot melt adhesive back of mixing together, not only can link together waterproof membrane and imbibition core, can make urine show gluey direct contact imbibition core simultaneously, reacts the condition of imbibition core more in time.

Preferably, the breathable surface layer and the breathable bottom layer are made of any one of dust-free paper, spunlace non-woven fabrics and non-woven fabrics.

Preferably, the first polymer water-absorbing layer and the second polymer water-absorbing layer are both water-absorbing resin.

Compared with the prior art, the beneficial effects of the utility model are that: the paper diaper has the advantages that the active carbon layer is arranged in the liquid absorption core body, so that the peculiar smell in the liquid absorption core body can be absorbed, the peculiar smell is prevented from being diffused to the outside of the liquid absorption core body, the absorption effect on the peculiar smell is better, and the paper diaper cannot emit the peculiar smell to the outside or only emits the peculiar smell which is not easy to be perceived when in use.

Drawings

Fig. 1 is a schematic view of an expanded structure of a low-odor paper diaper of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is a schematic structural view of the liquid-absorbing core body of the present invention.

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 parts; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", "long", "short", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to 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 relationship in the drawings are only for illustrative purposes and are not to be construed as limiting the present patent, and those skilled in the art will understand the specific meaning of the terms according to their specific circumstances.

The technical solution of the present invention is further described in detail by the following specific embodiments in combination with the accompanying drawings:

example 1

As shown in fig. 1-2, an embodiment of a low odor diaper comprises a surface layer 1, an absorbent core 2 and a bottom layer 3, which are sequentially arranged, wherein the absorbent core 2 sequentially comprises an air permeable surface layer 201, a first polymer water-absorbing layer 202, a first bulky nonwoven fabric layer 203, an activated carbon layer 204, a second bulky nonwoven fabric layer 205, a second polymer water-absorbing layer 206 and an air permeable bottom layer 207. The diaper further includes other necessary components such as leakage-proof barrier, leg-surrounding elastic, containment elastic and elastic waist band, left and right patches and front waist patch, but these components are not modified in this embodiment and thus will not be described.

The activated carbon layer 204 is made of granular activated carbon, and a groove 208 for accommodating the activated carbon is formed on the surface of the second fluffy non-woven fabric layer 205 close to the activated carbon layer 204. The granular activated carbon has more contact surface area and better adsorption effect. The activated carbon is laid flat on the groove 208, and the groove 208 can limit the activated carbon on the second fluffy non-woven fabric layer 205, and meanwhile, the activated carbon can be prevented from being stacked, so that the thickness of the activated carbon layer 204 is increased.

The granular activated carbon has a loose structure, and the first bulky nonwoven fabric layer 203 is attached to the surface of the second bulky nonwoven fabric layer 205 in order to stabilize the structure of the lotion core. The first bulky nonwoven layer 203 may be formed by bonding two bulky nonwoven layers together by hot pressing, so that the activated carbon on the second bulky nonwoven layer 205 is completely fixed between the first bulky nonwoven layer 203 and the second bulky nonwoven layer 205.

In this embodiment, the diaper further comprises a wrapper 4 for wrapping the absorbent core 2 and a cover 5 positioned between the topsheet 1 and the wrapper 4. Wrapping layer 4 can protect imbibition core body 2, can block simultaneously not by activated carbon adsorption's peculiar smell diffusion, because imbibition core body 2 is close to one side of surface course 1 and does not have the activated carbon that can adsorb the peculiar smell, compares in other directions of imbibition core body 2, and this direction diffusion can be followed easily to the peculiar smell, consequently, increases a overburden 5 and blocks the diffusion of peculiar smell. Further processing of the odour is restricted to the inside of the pant diaper by the wrapper 4 and the cover 5.

In addition, the bottom layer 3 is provided with a urine-showing adhesive 301, the specific structure is that the bottom layer 3 comprises a waterproof film 302 and a non-woven fabric outer surface layer 303, the waterproof film 302 is attached to the liquid absorption core body 2 through a hot melt adhesive 304, and the urine-showing adhesive 301 is arranged between the waterproof film 302 and the liquid absorption core body 2. One side that parcel 4 layer is close to bottom layer 3 is provided with opening 401, and urine shows that the glue can contact urine through the opening and show the colour. The waterproof membrane 302 can prevent the liquid of imbibition core body 2 to the seepage of bottom layer 3, and urine shows gluey 301 to be hot melt colloid, shows gluey 301 with urine and the hot melt adhesive 304 back of mixing together, not only can link together waterproof membrane 302 and imbibition core body 2, can make urine show gluey 301 direct contact imbibition core body 2 simultaneously, more in time react the condition of imbibition core body 2.

The working principle of the implementation is as follows: urine or other liquid of user's excrement can get into imbibition core body 2 through surface course 1, and the liquid that gets into behind the imbibition core body 2 is absorbed by first polymer water absorption layer 202, and after first polymer water absorption layer 202 absorbed full of liquid, partly liquid can continue to flow down to second polymer water absorption layer 206 to the completion is to the absorption of liquid. The peculiar smell of the liquid part and part of the liquid passing through the activated carbon layer 204 can be absorbed by the activated carbon, and the rest peculiar smell can firstly flow in the liquid absorption core body 2, and the fluffy non-woven fabric layer is loose in structure, so that the gas diffusion is facilitated, the peculiar smell can flow to the activated carbon layer 204 through the first fluffy non-woven fabric layer 203 and the second fluffy non-woven fabric layer 205, the activated carbon can be adsorbed on the peculiar smell flowing in the liquid absorption core body 2, and the peculiar smell is prevented from being emitted out of the liquid absorption core body 2.

The beneficial effects of this embodiment: the paper diaper's imbibition core 2 embeds has activated carbon layer 204, can adsorb the peculiar smell in the imbibition core 2, avoids the peculiar smell to diffuse outside imbibition core 2, and is better to the adsorption efficiency of peculiar smell, makes paper diaper when using, can not outwards give off the peculiar smell or only give off the peculiar smell that is difficult for perceiving.

Example 2

Another embodiment of the low-odor diaper differs from embodiment 1 in that the thicknesses of the first polymer water-absorbent layer 202, the second polymer water-absorbent layer 206 and the activated carbon layer 204 are further defined.

In this embodiment, the thickness of the second polymer water-absorbing layer 206 is 67% of the thickness of the first polymer water-absorbing layer 202. First polymer absorbs water layer 202 is because contact liquid, and consequently most liquid all can be absorbed away by first polymer layer 202 that absorbs water, and second polymer layer 206 that absorbs water need not to absorb too much liquid, is guaranteeing the coworker of the 2 effect of absorbing water of imbibition core, in order to reduce the volume of imbibition core 2, reduces the thickness that second polymer layer 206 absorbed water.

In this embodiment, the thickness of the activated carbon layer 204 is 25% of the total thickness of the first polymer water-absorbing layer 202 and the second polymer water-absorbing layer 206. The thickness of the first polymer water-absorbing layer 202 and the second polymer water-absorbing layer 206 determines the water-absorbing capacity, and the amount of the water-absorbing capacity also determines the concentration of the odor, so the thickness of the activated carbon layer 204 needs to be adjusted according to the thickness of the two water-absorbing layers, and the activated carbon layer 204 can be ensured to absorb the odor in the absorbent core body 2 as much as possible.

The remaining features and operating principle of this embodiment are consistent with embodiment 1.

Example 3

In this embodiment, the thickness of the second polymer water-absorbent layer is 75% of the thickness of the first polymer water-absorbent layer 202. First polymer absorbs water layer 202 is because contact liquid, and consequently most liquid all can be absorbed away by first polymer layer 202 that absorbs water, and the second polymer layer that absorbs water need not to absorb too much liquid, is guaranteeing the coworker of the 2 effect of absorbing water of imbibition core, in order to reduce the volume of imbibition core 2, reduces the thickness that the second polymer absorbed water the layer.

In this embodiment, the thickness of the activated carbon layer 204 is 40% of the total thickness of the first polymer water-absorbing layer 202 and the second polymer water-absorbing layer. The thickness of the first polymer water-absorbing layer 202 and the second polymer water-absorbing layer determines the water-absorbing capacity, and the amount of the water-absorbing capacity also determines the concentration of the odor, so the thickness of the activated carbon layer 204 needs to be adjusted according to the thickness of the two water-absorbing layers, and the activated carbon layer 204 can be ensured to absorb the odor in the absorbent core body 2 as much as possible.

Example 4

Fig. 3 shows another embodiment of the low-odor diaper, which is different from the above-mentioned embodiments in that the materials of the air-permeable surface layer 201, the air-permeable back sheet 207, the first polymer water-absorbent layer 202 and the second polymer water-absorbent layer are further limited.

In this embodiment, the breathable skin layer 201 and the breathable back layer 207 are both spunlace nonwoven fabrics.

In this embodiment, the first polymer water-absorbent layer 202 and the second polymer water-absorbent layer are both water-absorbent resins.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to 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. The utility model provides a low smell panty-shape diapers, is including surface course (1), absorbent core (2) and bottom (3) that set gradually, its characterized in that, absorbent core (2) are ventilative top layer (201), first polymer layer (202) that absorb water, the fluffy non-woven fabrics layer of first (203), activated carbon layer (204), the fluffy non-woven fabrics layer of second (205), the water absorption layer of second polymer (206) and ventilative bottom (207) in proper order.

2. A low-odor diaper as claimed in claim 1, characterized in that said activated carbon layer (204) consists of granulated activated carbon, and said second bulky nonwoven layer (205) is provided with a groove (208) for receiving activated carbon, close to the surface of said activated carbon layer (204).

3. A low-odor diaper according to claim 2, wherein said first bulky nonwoven layer (203) is attached to a surface of said second bulky nonwoven layer (205).

4. A low-odor diaper as claimed in claim 1, wherein the thickness of the second polymer water-absorbing layer (206) is 65% to 75% of the thickness of the first polymer water-absorbing layer (202).

5. The low-odor diaper according to claim 4, wherein the thickness of the activated carbon layer (204) is 20-40% of the total thickness of the first polymer water-absorbing layer (202) and the second polymer water-absorbing layer (206).

6. A low-odour pant diaper according to claim 1, further comprising a wrapping (4) for wrapping the absorbent core (2) and a cover layer (5) between the topsheet (1) and the wrapping (4).

7. A low-odour pant diaper according to claim 6, wherein the chassis layer (3) is provided with a urine-revealing adhesive (301) and the wrapper (4) is provided with an opening (401) at a side thereof adjacent to the chassis layer (3).

8. A low-odor diaper as claimed in claim 7, wherein said bottom layer (3) comprises a waterproof film (302) and a nonwoven outer cover layer (303), said waterproof film (302) being attached to said absorbent core (2) by means of a hot melt adhesive (304), said diaper adhesive (301) being disposed between said waterproof film (302) and said absorbent core (2).

9. A low-odor diaper as claimed in any one of claims 1 to 8, wherein said breathable surface layer (201) and said breathable back layer (207) are both any one of dust-free paper and nonwoven fabric.

10. A low-odor diaper according to any one of claims 1 to 8, wherein said first polymeric water-absorbing layer (202) and said second polymeric water-absorbing layer (206) are both water-absorbent resins.