CN209790197U - multilayer structure absorbs core - Google Patents
multilayer structure absorbs core Download PDFInfo
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- CN209790197U CN209790197U CN201920100463.3U CN201920100463U CN209790197U CN 209790197 U CN209790197 U CN 209790197U CN 201920100463 U CN201920100463 U CN 201920100463U CN 209790197 U CN209790197 U CN 209790197U
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Abstract
The utility model belongs to the technical field of health supplies, a multilayer structure absorbs core is disclosed, down include from last in proper order: a conductive layer for substantiating the skin and allowing penetration of liquids; a flow guide layer for guiding the liquid to be permeated into the interior of the absorbent core; a bulky layer for absorbing and retaining incoming liquid; the liquid locking layer is positioned at the lower part of the fluffy layer and is used for blocking the flow and the permeation of liquid; an adhesive layer is arranged between the fluffy layer and the liquid locking layer, and a water absorbing material is arranged in the fluffy layer or at the lower part of the fluffy layer. The utility model discloses a set up multilayer structure, can satisfy the close skin demand, also can provide better moisture absorption and retention ability, the wholeness of whole absorption core is splendid, can be applied to during panty-shape diapers and sanitary towel, has improved the use convenience, has avoided frequent change. Therefore, the utility model is suitable for popularization and application.
Description
Technical Field
The utility model belongs to the technical field of health supplies, concretely relates to multilayer structure absorbs core.
Background
The existing daily sanitary consumables such as infant paper diapers and sanitary towels are internally provided with an absorption core body with liquid absorption capacity, the paper diapers and the sanitary towels realize the absorption of liquid through the absorption core body and keep the liquid in the absorption core body, and the speed, the volume and the storage time of the absorption core body for absorbing and storing the liquid are core factors for evaluating the performance of the absorption core body.
The absorption core body adopted by the existing infant paper diaper, sanitary towel and the like basically adopts a structure of a liquid-permeable surface layer, a liquid-impermeable bottom layer and an absorber positioned between the liquid-permeable surface layer and the liquid-impermeable bottom layer, the liquid-permeable surface layer contacts with a human body, liquid enters the absorber through the liquid-permeable surface layer, the absorber stores the liquid, and the liquid-impermeable bottom layer is used for preventing the liquid from leaking. When the liquid is absorbed by the absorber, the paper diaper, the sanitary towel and the like need to be replaced in time, if the amount of the stored liquid reaches the limit, the liquid-permeable surface layer is wet to cause discomfort to the human body, bacteria are easy to breed, and the health of the human body is not facilitated.
the existing absorption core body has small volume for absorbing liquid, weak capacity for absorbing and storing liquid, needs to be frequently replaced during use, causes the problem of complex use, and does not bring sufficient convenience for users.
Therefore, the existing absorption core body has certain disadvantages, a more reasonable technical scheme needs to be provided, the hygroscopicity and the liquid storage performance of the absorption core body are improved, frequent replacement is avoided, and the technical problem existing in the prior art is solved.
SUMMERY OF THE UTILITY MODEL
The utility model provides a multilayer structure absorbs core aims at the structure through improving the absorption core, sets up multiple moisture absorption layer structure, improves its moisture absorption ability and liquid storage ability for liquid is absorbed by the absorption core more easily, and liquid can be more stably retained after getting into the absorber, the seepage phenomenon does not appear.
In order to realize the above effect, the utility model discloses the technical scheme who adopts does:
a multi-layer structure absorbs core, includes from last down in proper order:
a conductive layer for substantiating the skin and allowing penetration of liquids;
A flow guide layer for guiding the liquid to be permeated into the interior of the absorbent core;
a bulky layer for absorbing and retaining incoming liquid;
The liquid locking layer is positioned at the lower part of the fluffy layer and is used for blocking the flow and the permeation of liquid;
An adhesive layer is arranged between the fluffy layer and the liquid locking layer, and a water absorbing material is arranged in the fluffy layer or at the lower part of the fluffy layer.
The absorbing core body is mainly applied to daily sanitary products such as paper diapers and sanitary towels, and can be attached to a human body for use after being connected to a paper diaper body or a sanitary towel body. The water absorbing material has extremely strong moisture absorption and retention performances and can absorb the liquid entering the fluffy layer, so that the flow guide layer and the conductive layer are kept dry and comfortable; the liquid-lock layer is positioned at the bottommost part of the absorbent core body and is used for preventing liquid from leaking; the liquid locking layer is connected with the fluffy layer through the adhesive layer, so that the integrity of the absorbent core body is better.
Preferably, the adhesive layer can adopt hot melt adhesive, is nontoxic and tasteless, belongs to environment-friendly chemical products, has high adhesive strength and high speed, and can be directly coated on the upper surface of the liquid-blocking layer to be used for adhesion.
furthermore, the technical scheme is optimized, and the water absorbing material is used for absorbing and storing the liquid entering the fluffy layer, stably locking the liquid in the fluffy layer and maintaining the water absorbing performance of the fluffy layer, so that the water absorbing material is water absorbing resin, has a high water absorbing function of absorbing hundreds to thousands of times of water than the self weight, has excellent water retention performance, and is difficult to separate water even if being pressurized once the water absorbing material is expanded into hydrogel.
Preferably, the water-absorbent resin can also use super absorbent resin, which is a functional polymer material with a large number of hydrophilic groups, and has excellent water absorption and water retention properties.
Furthermore, the technical scheme is optimized to improve the comfort and the air permeability of the absorbing core body, and the conducting layer, the flow guide layer and the fluffy layer are all hot air non-woven fabrics. The hot-air non-woven fabric is formed by combing and molding fibers, and then hot air on drying equipment penetrates through the fiber web to be heated and bonded to generate the non-woven fabric; has the characteristics of fluffiness, softness, good elasticity, strong heat retention and the like.
Preferably, the nonwoven fabric is made of ES fiber, when the carded fiber web is thermally bonded by hot rolling or hot air through, the low melting point component forms melt adhesion at the crossing points of the fiber, and after cooling, the non-crossing points of the fiber still keep the original state, which is a form of "point adhesion" rather than "zone adhesion", so that the product has the characteristics of fluffiness, softness, high strength, oil absorption, blood absorption and the like.
Further, the technical scheme is optimized, and the conductive layer is made of a hydrophilic low-denier special fiber material. Specifically, the multi-hydrophilicity means that after the fibers are subjected to hydrophilic treatment for many times in the production process, the fibers can be quickly conducted and absorbed after meeting water or other liquids after being made into a non-woven fabric product; low denier means fine fiber, specifically fineness ranging from 1.5d 38mm to 2d 38mm, where d is an abbreviation for English dtex, expressed in dtex, in linear density units, means grams of weight of 10000 meters long yarn at a official moisture regain.
further, the technical scheme is optimized, and the flow guide layer is made of a multi-parent special medium-high denier fiber material. The meanings of the hydrophilic fibers are the same as those in the scheme, and the specific thickness range of the medium-high denier fiber is 3d gamma 38 mm-6 d gamma 51 mm.
And further, the technical scheme is continuously optimized, the fibers of the diversion layer are uniformly arranged in a straight line, and through holes are formed in the arrangement surface. The guiding performance and the conductivity of the flow guide layer provided with the through hole are better.
Further, the technical scheme is continuously optimized, and the fluffy layer is made of elastic three-dimensional curled hollow fibers and multi-hydrophilic fiber materials. The meanings of the parents are the same as in the above scheme.
further, the technical scheme is continuously optimized, and the guided layer and the fluffy layer are respectively bonded and formed with the guide layer through a hot air method process. The method has the advantages of simple process, stable structure and excellent performance.
Further, the technical scheme is optimized, an upper connecting layer is arranged between the guided layer and the flow guide layer, and/or a lower connecting layer is arranged between the fluffy layer and the flow guide layer. The conductive layer, the flow guide layer and the fluffy layer are connected and fixed through the action of the upper connecting layer and the lower connecting layer, so that the integrity of the absorbent core body is better.
Preferably, the upper connecting layer and the lower connecting layer are both closed adhesive strips arranged along the edge of the flow guide layer, so that the integral performance of the conductive layer, the flow guide layer and the fluffy layer can be realized, and the problem that the flow guide performance of the flow guide layer is reduced by the upper connecting layer and the lower connecting layer can be avoided.
Further, optimize above-mentioned technical scheme, the lock liquid layer adopt dustless paper or non-woven fabrics to make.
Compared with the prior art, the beneficial effects of the utility model are that:
The utility model discloses a set up multilayer structure, can satisfy the close skin demand, also can provide better moisture absorption and retention ability, the wholeness of whole absorption core is splendid, can be applied to during panty-shape diapers and sanitary towel, has improved the use convenience, has avoided frequent change.
Drawings
in order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only show some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure implemented in accordance with example 1;
fig. 2 is a schematic view of the overall structure implemented according to embodiment 2.
in the above figures, the meaning of the reference numerals is: 1-a conductive layer; 2-upper connection layer; 3-a flow guiding layer; 4-a lower tie layer; 5-a fluffy layer; 6-water absorbing material; 7-an adhesive layer; 8-liquid locking layer.
Detailed Description
The present invention will be further explained with reference to the drawings and the embodiments.
Example 1:
As shown in fig. 1, the present embodiment discloses a multi-layered absorbent core, which comprises, from top to bottom:
a conductive layer 1 for substantiating the skin and allowing penetration of liquids;
A flow guide layer 3 for guiding the liquid to be permeated into the inside of the absorbent core;
A bulky layer 5 for absorbing and retaining incoming liquid;
The liquid locking layer 8 is positioned at the lower part of the fluffy layer 5 and is used for blocking the flow and the permeation of liquid;
An adhesive layer 7 is further arranged between the fluffy layer 5 and the liquid locking layer 8, and a water absorbing material 6 is arranged in the fluffy layer 5.
The thickness of the conductive layer 1 is 0.1mm, the thickness of the flow guide layer 3 is 1mm, the thickness of the fluffy layer 5 is 3-5 mm, and the thickness of the liquid locking layer 8 is 0.1-0.5 mm.
the absorbing core body is mainly applied to daily sanitary products such as paper diapers and sanitary towels, and can be attached to a human body for use after being connected to a paper diaper body or a sanitary towel body. The conductive layer 1 directly contacts the skin of a human body, so that the skin-friendly effect is good, liquid enters the absorption core body through the conductive layer 1, and is guided and permeated through the flow guide layer 3, the liquid enters the fluffy layer 5 to be absorbed and retained, and the water absorption material 6 has extremely strong moisture absorption and retention performances and can absorb the liquid entering the fluffy layer 5, so that the flow guide layer 3 and the conductive layer 1 are kept dry and comfortable; a liquid-lock layer 8 is located at the lowermost part of the absorbent core for preventing liquid leakage; the liquid-retention layer 8 and the bulky layer 5 are connected by the adhesive layer 7, so that the integrity of the absorbent core is improved.
In this embodiment, the adhesive layer 7 can be made of a hot melt adhesive, is nontoxic and odorless, belongs to an environment-friendly chemical product, has high adhesive strength and high speed, and can be directly coated on the upper surface of the liquid-blocking layer 8 to be used for adhesion.
The technical scheme is optimized, the water absorbing material 6 is used for absorbing and storing the liquid entering the fluffy layer 5, stably locking the liquid in the fluffy layer 5 and maintaining the water absorbing performance of the fluffy layer 5, so that the water absorbing material 6 is water absorbing resin, has a high water absorbing function of absorbing hundreds to thousands of times of water compared with the self weight, has excellent water retention performance, and is difficult to separate water even if being pressurized once the water absorbing material swells into hydrogel.
In this embodiment, the water-absorbent resin may also be a super-absorbent resin, which is a functional polymer material with a large number of hydrophilic groups, and has excellent water-absorbing and water-retaining properties.
Optimize above-mentioned technical scheme to improve the travelling comfort and the gas permeability of absorbing the core, the layer 1 that receives, water conservancy diversion layer 3 and fluffy layer 5 be hot-blast non-woven fabrics. The hot-air non-woven fabric is formed by combing and molding fibers, and then hot air on drying equipment penetrates through the fiber web to be heated and bonded to generate the non-woven fabric; has the characteristics of fluffiness, softness, good elasticity, strong heat retention and the like.
specifically, the nonwoven fabric is made of ES fibers (polyolefin fibers), when the carded fiber web is subjected to thermal bonding By hot rolling or hot air through, the low-melting-point component forms melt adhesion at the intersection of the fibers, and after cooling, the non-intersection fibers still keep the original state, which is in a form of "point adhesion" rather than "zone adhesion", so that the product has the characteristics of fluffiness, softness, high strength, oil absorption, blood absorption and the like.
The technical scheme is optimized, and the conductive layer 1 is made of a hydrophilic low-denier special fiber material. Specifically, the multi-hydrophilicity means that after the fibers are subjected to hydrophilic treatment for many times in the production process, the fibers can be quickly conducted and absorbed after meeting water or other liquids after being made into a non-woven fabric product; low denier means fine fiber, specifically fineness ranging from 1.5d 38mm to 2d 38mm, where d is an abbreviation for English dtex, expressed in dtex, in linear density units, means grams of weight of 10000 meters long yarn at a official moisture regain.
the technical scheme is optimized, and the flow guide layer 3 is made of a multi-parent special medium-high denier fiber material. The meanings of the hydrophilic fibers are the same as those in the scheme, and the specific thickness range of the medium-high denier fiber is 3d gamma 38 mm-6 d gamma 51 mm.
The technical scheme is optimized continuously, the fibers of the diversion layer 3 are uniformly arranged in a straight line, and through holes are arranged on the arrangement surface. The guiding performance and the conductivity of the flow guiding layer 3 with the through holes are better.
the technical scheme is optimized continuously, and the fluffy layer 5 is made of elastic three-dimensional curled hollow fibers and multi-hydrophilic fiber materials. The meanings of the parents are the same as in the above scheme.
The technical scheme is optimized continuously, and the guided layer 1 and the fluffy layer 5 are respectively bonded and formed with the flow guide layer 3 through a hot air method process. The method has the advantages of simple process, stable structure and excellent performance.
The technical scheme is optimized, an upper connecting layer 2 is arranged between the guided layer 1 and the flow guide layer 3, and/or a lower connecting layer 4 is arranged between the fluffy layer 5 and the flow guide layer 3. The conductive layer 1, the flow guiding layer 3 and the fluffy layer 5 are connected and fixed through the action of the upper connecting layer 2 and the lower connecting layer 4, so that the integrity of the absorbent core body is better.
Specifically, the upper connecting layer 2 and the lower connecting layer 4 are both closed adhesive strips arranged along the edge of the flow guide layer 3, so that the integration of the guiding layer 1, the flow guide layer 3 and the fluffy layer 5 can be realized, and the flow guide performance of the flow guide layer 3 can be prevented from being reduced by the upper connecting layer 2 and the lower connecting layer 4.
the technical scheme is optimized, and the liquid locking layer 8 is made of dust-free paper or non-woven fabric.
Example 2:
As shown in fig. 2, this embodiment discloses an absorbent core with a multi-layer structure, which adopts different technical solutions from embodiment 1, and specifically differs in that the absorbent core sequentially includes, from top to bottom:
a conductive layer 1 for substantiating the skin and allowing penetration of liquids;
a flow guide layer 3 for guiding the liquid to be permeated into the inside of the absorbent core;
A bulky layer 5 for absorbing and retaining incoming liquid;
The liquid locking layer 8 is positioned at the lower part of the fluffy layer 5 and is used for blocking the flow and the permeation of liquid;
An adhesive layer 7 is further arranged between the fluffy layer 5 and the liquid locking layer 8, and a water absorbing material 6 is arranged on the lower portion of the fluffy layer 5.
the water absorbent material 6 is used for absorbing the liquid seeping from the bulky layer 5 and stably locking the liquid in the bulky layer 5 to maintain the water absorption performance of the bulky layer 5, so the water absorbent material 6 is water absorbent resin, has a high water absorption function of absorbing water which is several hundred to several thousand times heavier than the self weight, has excellent water retention performance, and is difficult to separate water even if being pressurized once water is swollen into hydrogel.
In this embodiment, the water-absorbent resin may also be a super-absorbent resin, which is a functional polymer material with a large number of hydrophilic groups, and has excellent water-absorbing and water-retaining properties.
Other structures and connection manners in this embodiment are the same as those in embodiment 1, and are not described herein again.
The present invention is not limited to the above-described alternative embodiments, and those skilled in the art can obtain other embodiments according to the above-described modes and the technical features included therein, and any other embodiments can be obtained according to the teaching of the present invention without departing from the scope of the present invention. The above detailed description should not be taken as limiting the scope of the invention, which is defined in the following claims, and which can be used to interpret the claims.
Claims (10)
1. The utility model provides a multilayer structure absorbs core which characterized in that from last down includes in proper order:
A conductive layer (1) for substantiating the skin and allowing penetration of liquids;
A flow guide layer (3) for guiding the liquid to be permeated into the interior of the absorbent core;
A bulky layer (5) for absorbing and retaining incoming liquid;
The liquid locking layer (8) is positioned at the lower part of the fluffy layer (5) and is used for blocking the flow and the permeation of liquid;
An adhesive layer (7) is arranged between the fluffy layer (5) and the liquid locking layer (8), and a water absorbing material (6) is arranged in the fluffy layer (5) or at the lower part of the fluffy layer (5).
2. The multi-layered absorbent core as set forth in claim 1 wherein: the water absorbing material (6) is water absorbing resin.
3. The multi-layered absorbent core as set forth in claim 1 wherein: the conducting layer (1), the flow guide layer (3) and the fluffy layer (5) are all hot air non-woven fabrics.
4. the multi-layered absorbent core as set forth in claim 1 wherein: the conductive layer (1) is made of hydrophilic low-denier fiber materials.
5. the multi-layered absorbent core as set forth in claim 1 wherein: the flow guide layer (3) is made of multi-hydrophilic medium-high denier fiber materials.
6. the multi-layered absorbent core as set forth in claim 5 wherein: the constituent fibers of the flow guide layer (3) are uniformly arranged in a straight line, and through holes are formed in the arrangement surface.
7. The multi-layered absorbent core as set forth in claim 1 wherein: the fluffy layer (5) is made of elastic three-dimensional curled hollow fibers and multi-hydrophilic fiber materials.
8. The multi-layered absorbent core as set forth in claim 1 wherein: the conductive layer (1) and the fluffy layer (5) are respectively bonded and formed with the flow guide layer (3) through a hot air method process.
9. The multi-layered absorbent core as set forth in claim 1 wherein: an upper connecting layer (2) is arranged between the conductive layer (1) and the flow guide layer (3), and/or a lower connecting layer (4) is arranged between the fluffy layer (5) and the flow guide layer (3).
10. The multi-layered absorbent core as set forth in claim 1 wherein: the liquid locking layer (8) is made of dust-free paper or non-woven fabric.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920100463.3U CN209790197U (en) | 2019-01-21 | 2019-01-21 | multilayer structure absorbs core |
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| CN201920100463.3U CN209790197U (en) | 2019-01-21 | 2019-01-21 | multilayer structure absorbs core |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110960358A (en) * | 2019-12-25 | 2020-04-07 | 晋江兆亿机械有限公司 | Paper diaper system for infants and using method thereof |
| CN112155861A (en) * | 2020-10-27 | 2021-01-01 | 湖南爽洁卫生用品有限公司 | Absorption core body with low reverse osmosis rate |
| CN114587798A (en) * | 2022-03-22 | 2022-06-07 | 广东景兴健康护理实业股份有限公司 | Hygienic product adopting hollow storage bag type woven core body |
| CN116849930A (en) * | 2023-09-01 | 2023-10-10 | 露乐健康科技股份有限公司 | High-performance absorption core with collection function and sanitary article |
-
2019
- 2019-01-21 CN CN201920100463.3U patent/CN209790197U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110960358A (en) * | 2019-12-25 | 2020-04-07 | 晋江兆亿机械有限公司 | Paper diaper system for infants and using method thereof |
| CN112155861A (en) * | 2020-10-27 | 2021-01-01 | 湖南爽洁卫生用品有限公司 | Absorption core body with low reverse osmosis rate |
| CN114587798A (en) * | 2022-03-22 | 2022-06-07 | 广东景兴健康护理实业股份有限公司 | Hygienic product adopting hollow storage bag type woven core body |
| CN116849930A (en) * | 2023-09-01 | 2023-10-10 | 露乐健康科技股份有限公司 | High-performance absorption core with collection function and sanitary article |
| CN116849930B (en) * | 2023-09-01 | 2023-12-19 | 露乐健康科技股份有限公司 | High-performance absorption core with collection function and sanitary article |
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