CN219835762U - Sanitary absorbing article - Google Patents
Sanitary absorbing article Download PDFInfo
- Publication number
- CN219835762U CN219835762U CN202223484042.6U CN202223484042U CN219835762U CN 219835762 U CN219835762 U CN 219835762U CN 202223484042 U CN202223484042 U CN 202223484042U CN 219835762 U CN219835762 U CN 219835762U
- Authority
- CN
- China
- Prior art keywords
- core
- absorbent
- flow blocking
- absorption
- absorbent core
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000002745 absorbent Effects 0.000 claims abstract description 168
- 239000002250 absorbent Substances 0.000 claims abstract description 168
- 230000000903 blocking effect Effects 0.000 claims abstract description 101
- 238000010521 absorption reaction Methods 0.000 claims abstract description 98
- 239000010410 layer Substances 0.000 claims abstract description 62
- 239000002344 surface layer Substances 0.000 claims abstract description 22
- 239000004745 nonwoven fabric Substances 0.000 claims description 13
- 239000000805 composite resin Substances 0.000 claims description 10
- 239000011347 resin Substances 0.000 claims description 7
- 229920005989 resin Polymers 0.000 claims description 7
- 229920001131 Pulp (paper) Polymers 0.000 claims description 6
- 239000011159 matrix material Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 abstract description 67
- 230000000052 comparative effect Effects 0.000 description 7
- 239000008280 blood Substances 0.000 description 4
- 210000004369 blood Anatomy 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000002265 prevention Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000004049 embossing Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 239000005871 repellent Substances 0.000 description 2
- 238000001223 reverse osmosis Methods 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Landscapes
- Absorbent Articles And Supports Therefor (AREA)
Abstract
The utility model provides a sanitary absorbent article, which comprises a surface layer, a conductive layer, an absorbent layer and a leakage-proof layer which are sequentially arranged from top to bottom; the absorption layer sequentially comprises a first absorption core, a second absorption core and a third absorption core; the second absorbent core has an area smaller than the areas of the first and third absorbent cores, the second absorbent core being located in a central region of the first and third absorbent cores; the second absorbent core is provided with a plurality of transverse drainage grooves and a plurality of longitudinal drainage grooves, and each transverse drainage groove is connected with each longitudinal drainage groove end to end; the two sides of the second absorption core are provided with first flow blocking strips higher than the second absorption core. The drainage groove structure in the utility model not only can accelerate the liquid absorption speed of the absorption layer, but also can lead the liquid which seeps downwards to the second absorption core to conduct and diffuse to the periphery, thereby avoiding the concentration of the liquid at the same position of the sanitary absorption article and obviously improving the dryness of the surface layer.
Description
Technical Field
The utility model belongs to the field of sanitary products, and particularly relates to a sanitary absorbing product.
Background
Sanitary absorbent articles are an indispensable product in women's daily necessities. Sanitary absorbent articles generally comprise a topsheet, an absorbent core and a backsheet. At present, the structure of an absorption core body in the sanitary absorption article is generally single and simpler, and the problems of low liquid absorption speed, easy liquid leakage, hard whole and poor air permeability exist. Therefore, there is a need for a sanitary absorbent article that has good liquid absorbency, is less prone to leakage, and is breathable and comfortable.
Disclosure of Invention
The embodiment of the utility model provides a sanitary absorbent article which has the advantages of excellent liquid absorption performance, difficult liquid leakage occurrence and ventilation comfort.
The utility model provides a sanitary absorbent article, which comprises a surface layer, a conductive layer, an absorbent layer and a leakage-proof layer which are sequentially arranged from top to bottom;
the absorption layer sequentially comprises a first absorption core, a second absorption core and a third absorption core from top to bottom; the second absorbent core has a length less than the lengths of the first and third absorbent cores, the second absorbent core being located in a central region of the first and third absorbent cores;
the second absorbent core is provided with a plurality of transverse drainage grooves and a plurality of longitudinal drainage grooves, and each transverse drainage groove is connected with each longitudinal drainage groove end to end;
the two sides of the second absorption core are provided with first flow blocking strips higher than the second absorption core.
Preferably, the first absorbent core and the third absorbent core are both super absorbent resin composite paper, and the second absorbent core is composed of a super absorbent resin layer and a wood pulp layer.
Preferably, both the transverse drainage channel and the longitudinal drainage channel extend through the second absorbent core;
preferably, each transverse drainage groove is connected with each longitudinal drainage groove end to form a spiral drainage structure.
Preferably, the length of the transverse drainage groove is 5-30 mm, and the length of the longitudinal drainage groove is 30-100 mm; the width of the transverse drainage groove and the longitudinal drainage groove is 2-10 mm.
Preferably, the first flow-blocking strip is composed of fluff pulp; the first flow blocking strip is 1-5 mm higher than the second absorbent core, the length of the first flow blocking strip is 5-15 mm, and the width of the first flow blocking strip is 1-7 mm; the number of the first flow blocking strips on each side is 1-5.
Preferably, a choke structure higher than the second absorbent core is arranged at the rear end position in the length direction of the second absorbent core, the choke structure is composed of fluff pulp, and the choke structure is 1-5 mm higher than the second absorbent core.
Preferably, the flow blocking structure sequentially comprises a flow blocking lattice and a second flow blocking strip along the direction from the central position to the rear end position of the second absorbent core; the flow blocking dot matrix is formed by sequentially arranging a plurality of dot flow blocking bulges, and the second flow blocking strip is arc-shaped.
Preferably, the number of the punctiform flow-blocking projections gradually increases in the direction from the central position to the rear end position of the second absorbent core.
Preferably, the number of the punctiform flow blocking protrusions is 1-20, and the interval between two adjacent punctiform flow blocking protrusions is 1-10 mm; the length of the second flow blocking strip is 30-60 mm, and the width of the second flow blocking strip is 1-7 mm.
Preferably, the first absorbent core and the third absorbent core are provided with diversion holes; the aperture of the diversion holes is 2-3 mm, and the distribution density of the diversion holes is 1-100 pieces/cm 2 。
Preferably, the surface layer is at least one of hot air non-woven fabric, spun-bonded non-woven fabric or spun-bonded non-woven fabric; the two sides of the surface layer are also provided with three-dimensional shields higher than the surface layer; the conductive layer is at least one of hot air non-woven fabric or spun-bonded non-woven fabric; the leakage-proof layer is a breathable PE film.
Compared with the prior art, the utility model has at least the following beneficial effects:
(1) The second absorption core is provided with the plurality of transverse drainage grooves and the plurality of longitudinal drainage grooves, and each transverse drainage groove and each longitudinal drainage groove are connected end to end, so that the drainage groove structure not only can accelerate the liquid absorption speed of the absorption layer, but also can enable liquid which seeps downwards into the second absorption core to conduct and diffuse to the periphery, and avoid the concentration of the liquid at the same position of the sanitary absorption article, thereby remarkably improving the dryness of the surface layer; meanwhile, the two sides of the second absorption core are also provided with first flow blocking strips, and the flow blocking strips can prevent liquid from side leakage;
(2) In some preferred embodiments of the present utility model, the rear end of the second absorbent core is provided with a flow blocking structure higher than the second absorbent core, and the flow blocking structure is formed by a flow blocking lattice formed by arranging a plurality of dot flow blocking protrusions and a second flow blocking strip, and the flow blocking lattice and the second flow blocking strip cooperate with each other to block the liquid layer by layer, so that the liquid is effectively prevented from leaking back.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the overall structure of a sanitary absorbent article according to the present utility model;
FIG. 2 is a schematic structural view of a second absorbent core of a sanitary absorbent article according to the present utility model;
FIG. 3 is a schematic view of the structure of a second absorbent core of a sanitary absorbent article according to the present utility model;
FIG. 4 is a schematic structural view of a second absorbent core of another sanitary absorbent article provided by the present utility model;
in the figure, 100-skin; 200-conducting layer; 300-an absorbent layer; 400-leakage-proof layer; 500-three-dimensional guard; 301-a first absorbent core; 302-a second absorbent core; 303-a third absorbent core; 3021-longitudinal drainage grooves; 3022-a transverse drainage groove; 3023-a spiral drainage structure; 3024-a first flow-blocking bar; 304-a choke structure; 3041-flow-blocking lattice; 3042-a second flow-blocking strip; 3043-punctiform flow-blocking projections.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present utility model.
The structure of the absorption layer of the sanitary absorbent article in the prior art is simpler, the problems of low liquid absorption speed and easy occurrence of liquid leakage exist, and in order to enhance the liquid absorption performance of the sanitary absorbent article, the pressure guide embossing is generally adopted in the absorption layer by a die, but the formed guide embossing has limited guide effect, only plays a weak role, and side leakage and rear leakage easily occur in the process of using the sanitary absorbent article. Based on this, the present utility model provides a sanitary absorbent article comprising a top sheet 100, a conductive layer 200, an absorbent layer 300 and a leakage preventing layer 400, which are sequentially disposed from top to bottom, as shown in fig. 1 to 3; the absorbent layer 300 comprises a first absorbent core 301, a second absorbent core 302 and a third absorbent core 303 in this order from top to bottom; the length of the second absorbent core 302 is smaller than the lengths of the first absorbent core 301 and the third absorbent core 303, and the second absorbent core 302 is located in the central region of the first absorbent core 301 and the third absorbent core 303; the second absorbent core 302 is provided with a plurality of transverse drainage grooves 3022 and a plurality of longitudinal drainage grooves 3021, and each transverse drainage groove 3022 and each longitudinal drainage groove 3021 are connected end to end; the second absorbent core 302 is provided on both sides with a first flow blocking strip 3024 higher than the second absorbent core 302.
According to the utility model, the plurality of transverse drainage grooves and the plurality of longitudinal drainage grooves are arranged on the second absorption core of the absorption layer, and each transverse drainage groove and each longitudinal drainage groove are connected end to form a continuous drainage groove structure, when a large amount of liquid infiltrates into the first absorption core downwards, the drainage groove structure in the second absorption core can rapidly conduct and diffuse the liquid in the first absorption core to the third absorption core, so that the liquid absorption performance of the absorption layer is remarkably improved, the drainage grooves are transversely and longitudinally distributed on the second absorption core and are connected end to end, so that the liquid can be transversely and longitudinally diffused on a plane, the liquid is prevented from being concentrated at the same position of the sanitary absorption article, and the sanitary absorption article can keep better dryness. Meanwhile, the two sides of the second absorption core are also provided with the first flow blocking strips, and the flow blocking strips can prevent liquid from diffusing outside the absorption layer, so that side leakage of the liquid is effectively avoided.
According to some preferred embodiments, the first absorbent core 301 and the third absorbent core 303 are each a super absorbent resin composite paper, and the second absorbent core 302 is composed of a super absorbent resin layer and a wood pulp layer.
The absorption layer can play a role of absorbing most of liquid in the utility model, and comprises a first absorption core, a second absorption core and a third absorption core, wherein the first absorption core and the third absorption core are both made of super absorbent resin composite paper, the second absorption core is composed of wood pulp and a super absorbent resin layer, and the super absorbent resin particles are uniformly distributed on the surface of the wood pulp layer to form the super absorbent resin layer; in the utility model, the first absorption core has certain liquid absorption performance, the downward conduction and diffusion of liquid can be realized while the dryness of the surface layer is ensured, the second absorption core is positioned between the first absorption core and the third absorption core, the second absorption core mainly plays roles in conducting and diffusing liquid, and meanwhile, the third absorption core can absorb the liquid which is not absorbed in the first absorption core and the second absorption core, so that the overall better liquid absorption performance of the absorption layer is ensured.
In the present utility model, the super absorbent resin composite paper in the first absorbent core and the second absorbent core is wet-made super absorbent resin composite paper, and the super absorbent resin composite paper in the first absorbent core and the third absorbent core may be the sameThe gram weight or the different gram weights, the gram weight of the super absorbent resin composite paper can be 50-200 g/m 2 。
According to some preferred embodiments, as shown in fig. 2 or 3, both the transverse drainage channels 3022 and the longitudinal drainage channels 3021 extend through the second absorbent core 302; each transverse drainage groove 3022 is connected end to end with each longitudinal drainage groove 3021 to form a spiral drainage structure 3023.
In the utility model, the transverse drainage groove and the longitudinal drainage groove on the second absorbent core penetrate through the second absorbent core, and the transverse drainage groove and the longitudinal drainage groove are connected end to form a spiral structure, the spiral structure is distributed in the central area of the second absorbent core, and the spiral drainage structure formed by the transverse drainage groove and the longitudinal drainage groove can not only accelerate the seepage speed of liquid in the sanitary absorbent article, but also enable the liquid to continuously diffuse to the periphery of the sanitary absorbent article along the spiral drainage structure, thereby avoiding the liquid from being concentrated in the same area, ensuring better dryness of the surface layer, and improving the utilization rate of the absorbent layer.
According to some preferred embodiments, the length of the transverse drainage groove 3022 is 5-30 mm (e.g., may be 5mm, 10mm, 20mm, or 30 mm), and the length of the longitudinal drainage groove 3021 is 30-100 mm (e.g., may be 30mm, 50mm, 80mm, or 100 mm); the width of the lateral drainage groove 3022 and the longitudinal drainage groove 3021 is 2 to 10mm (for example, may be 2mm, 5mm, 8mm, or 10 mm).
In the utility model, the transverse drainage groove and the longitudinal drainage groove penetrate through the second absorbent core, the lengths of the transverse drainage groove and the longitudinal drainage groove gradually increase outwards from the central area of the second absorbent core and are distributed in the central area of the second absorbent core in a straight spiral mode.
According to some preferred embodiments, as shown in fig. 3, the first flow blocking strip 3024 is comprised of fluff pulp; the first flow-blocking strip 3024 is higher than the second absorbent core 3021 to 5mm (for example, may be 1mm, 2mm, 3mm, 4mm, or 5 mm), the first flow-blocking strip 3024 has a length of 5 to 15mm (for example, may be 5mm, 8mm, 10mm, 12mm, or 15 mm), and a width of 1 to 7mm (for example, may be 1mm, 3mm, 5mm, or 7 mm); the number of the first flow blocking strips 3024 is 1 to 5 (for example, 1, 2, 3, 4 or 5 may be used).
In the utility model, as shown in fig. 3, the two sides of the second absorbent core are also provided with the first flow blocking strips, the first flow blocking strips are also positioned at the two sides of the spiral drainage structure of the second absorbent core, and the first flow blocking strips are higher than the surface of the second absorbent core, when the liquid diffuses to the periphery through the spiral drainage structure and reaches the two sides of the second absorbent core, the first flow blocking strips can quickly absorb the liquid and block the liquid from continuously diffusing to the two sides, so that the liquid side leakage is effectively prevented. In the present utility model, the shape of the first flow blocking strip is preferably an arc flow blocking strip, and the length of the first flow blocking strip is greater than the length of the longitudinal drainage groove at the outermost side of the spiral drainage structure.
According to some preferred embodiments, as shown in fig. 4, a rear end position in the length direction of the second absorbent core 302 is provided with a flow blocking structure 304 higher than the second absorbent core 302, the flow blocking structure 304 is made of fluff pulp, and the flow blocking structure 304 is higher than the second absorbent core 3021 to 5mm (for example, may be 1mm, 2mm, 3mm, 4mm or 5 mm).
In the utility model, the rear end position of the second absorption core in the length direction is also provided with the flow blocking structure, when a large amount of liquid is conducted downwards to the second absorption core through the first absorption core, or when a user lies on the back, the flow blocking structure at the rear end position of the second absorption core can block the liquid layer by layer, so that the liquid is effectively prevented from leaking back.
According to some preferred embodiments, as shown in fig. 4, the flow blocking structure 304 sequentially includes a flow blocking lattice 3041 and a second flow blocking strip 3042 along a direction from a central position to a rear end position of the second absorbent core 302; the flow blocking lattice 3041 is formed by sequentially arranging a plurality of dot-shaped flow blocking protrusions 3043, and the second flow blocking strip 3042 is arc-shaped.
In the utility model, as shown in fig. 4, the flow blocking structure sequentially comprises a flow blocking lattice formed by sequentially arranging a plurality of point-shaped flow blocking bulges and a second flow blocking strip positioned behind the flow blocking lattice from the central position to the rear end position of the second absorbent core, wherein the flow blocking lattice and the second flow blocking strip are bulge structures formed by fluff pulp, when liquid flows towards the rear end of the second absorbent core in a diffusion way, firstly, the point-shaped flow blocking bulges in the flow blocking lattice can reduce and slow down the diffusion quantity and the diffusion speed of the liquid, secondly, the second flow blocking strip at the rear end of the flow blocking lattice can further play a role in reinforcing and protecting, and the flow blocking lattice and the second flow blocking strip are mutually matched to effectively prevent the liquid from leaking back.
According to some preferred embodiments, the number of the dot-shaped flow blocking protrusions 3043 gradually increases along the flow blocking lattice 3041 toward the second flow blocking strip 3042; the number of the dot-shaped flow blocking protrusions 3043 is 1-20 (for example, 1, 3, 5, 9, 13, 18 or 20), and the distance between two adjacent dot-shaped flow blocking protrusions 3043 is 1-10 mm (for example, 1mm, 3mm, 5mm, 8mm or 10 mm); the second flow blocking strip 3042 has a length of 30-60 mm (e.g., 30mm, 40mm, 50mm, or 60 mm) and a width of 1-7 mm (e.g., 1mm, 3mm, 5mm, or 7 mm).
In the present utility model, the dot-shaped flow-blocking protrusions are circular protrusions, square protrusions or diamond-shaped protrusions formed by fluff pulp, and as can be seen from fig. 4, in the flow-blocking lattice, the number of dot-shaped flow-blocking protrusions is gradually increased from the central position of the second absorbent core toward the rear end, so that when liquid flows toward the rear end of the second absorbent core, the liquid is absorbed once every time the liquid encounters one dot-shaped flow-blocking protrusion, and the flow rate of the liquid is gradually reduced, the liquid is blocked layer by the dot-shaped flow-blocking protrusions as the liquid moves toward the rear end, and the flow rate of the liquid are gradually reduced, thereby blocking most of the liquid from being absorbed, and a small amount of liquid which is not blocked from being absorbed can be blocked from being absorbed by the second flow-blocking bar, thereby effectively preventing the liquid from leaking back.
In the present utility model, the length of the second flow blocking strip is greater than the length formed by the most number of dot-shaped flow blocking protrusions in the flow blocking dot matrix, that is, the flow blocking dot matrix and the second flow blocking strip preferably form a fan shape at the rear end position of the second absorbent core.
According to some preferred embodiments, the first absorbent core 301 and the third absorbent core 303 are provided with deflector holes; the aperture of the diversion holes is 2-3 mm (for example, can be 2mm, 2.5mm, 2.8mm or 3 mm), and the distribution density of the diversion holes is 1-100 pieces/cm 2 (e.g., may be 1/cm) 2 10 pieces/cm 2 30 pieces/cm 2 50 pieces/cm 2 80 pieces/cm 2 Or 100/cm 2 )。
In the utility model, the first absorption core and the third absorption core are respectively provided with the diversion holes, the diversion holes are uniformly distributed on the first absorption core and the third absorption core, the diversion holes can further accelerate the liquid absorption speed of the absorption layer, the diversion holes in the first absorption core and the third absorption core are mutually matched with the spiral diversion structures in the second absorption core, the liquid absorption performance of the absorption layer and the dryness of the surface layer can be obviously improved, and the comfort and the air permeability of the sanitary absorption article can be increased. Meanwhile, the shape of the multi-deflector hole in the present utility model is not particularly limited, and may be, for example, circular, elliptical, heart-shaped, etc., and may be designed according to actual needs.
According to some preferred embodiments, the skin layer 100 is at least one of a hot air nonwoven, a spunbond nonwoven, or a hydroentangled nonwoven; the surface layer is positioned at the uppermost layer of the sanitary absorbent article, is in direct contact with a human body, has a certain absorption function, and can quickly absorb and convey liquid downwards; the conductive layer 200 is at least one of a hot air non-woven fabric or a spun-bonded non-woven fabric; the main function of the conductive layer is to conduct the liquid absorbed by the surface layer downwards rapidly, so as to prevent the liquid from gathering on the surface layer to influence dryness; the leakage-proof layer 400 is a breathable PE film; the leakage-proof layer is positioned below the absorption layer, and can prevent liquid from leaking; the two sides of the surface layer 100 are also provided with a three-dimensional guard 500 higher than the surface layer 100; the three-dimensional protection is preferably water-repellent hot air non-woven fabrics, and can further prevent liquid from leaking laterally.
The rear end in the present utility model refers to the rear end corresponding to the use of the sanitary absorbent article by the user.
In order to more clearly illustrate the technical solution and advantages of the present utility model, a sanitary absorbent article will be described in detail below by means of several examples.
Example 1:
a sanitary absorbent article comprises a surface layer (hot air non-woven fabric), a conductive layer (hot air non-woven fabric), an absorption layer and a leakage-proof layer (breathable PE film) which are arranged in sequence from top to bottom; the absorbent layer comprises a first absorbent core (super absorbent resin composite paper), a second absorbent core (super absorbent resin particles and a wood pulp layer) and a third absorbent core (super absorbent resin composite paper) from top to bottom in sequence, the length of the second absorbent core is smaller than that of the first absorbent core and the third absorbent core, and the second absorbent core is positioned in the central area of the first absorbent core and the third absorbent core; circular diversion holes with the aperture of 2mm are distributed on the first absorption core and the third absorption core, and the distribution density of the diversion holes is 50/cm 2 The method comprises the steps of carrying out a first treatment on the surface of the The central area of the second absorbent core is provided with a plurality of through transverse drainage grooves and a plurality of through longitudinal drainage grooves, and each transverse drainage groove is connected with each longitudinal drainage groove end to form a spiral drainage structure; wherein the length of the transverse drainage groove is 5-30 mm, the length of the longitudinal drainage groove is 30-100 mm, and the widths of the transverse drainage groove and the longitudinal drainage groove are 5mm; two sides of the second absorption core are respectively provided with 1 first flow blocking strip (fluff pulp) which is 3mm higher than the second absorption core, and the first flow blocking strip is arc-shaped with the length of 15mm and the width of 3 mm; the rear end position of the second absorption core in the length direction is provided with a flow blocking structure (fluff pulp) which is 4mm higher than the second absorption core, the flow blocking structure sequentially comprises a flow blocking lattice and a second flow blocking strip (arc shape with the length of 30mm and the width of 5 mm) which are sequentially arranged by a plurality of point-shaped flow blocking bulges along the center of the second absorption core and backwards, the number of the point-shaped flow blocking bulges is as follows the second absorption coreIs gradually increased in the rearward direction, the number of the punctiform flow blocking bulges is 16, the interval between two adjacent punctiform flow-blocking bulges is 2mm; body guard (water-repellent hot air non-woven fabric) is also arranged on both sides of the surface layer.
Example 2:
example 2 is substantially the same as example 1 except that: the transverse drainage channels and the longitudinal drainage channels on the second absorbent core are connected end to end, but do not form a spiral drainage structure.
Example 3:
example 3 is substantially the same as example 1 except that: the first flow blocking strips are not arranged on the two sides of the second absorbent core.
Example 4:
example 4 is substantially the same as example 1 except that: the rear end position of the second absorbent core is not provided with a flow blocking structure.
Example 5:
example 5 is substantially the same as example 1 except that: the rear end position of the second absorbent core is not provided with a choked flow lattice.
Example 6:
example 6 is substantially the same as example 1 except that: the second flow blocking strip is not arranged at the rear end position of the second absorption core.
Comparative example 1:
comparative example 1 is substantially the same as example 1 except that: the transverse and longitudinal drainage channels on the second absorbent core are replaced with flow-blocking embossments.
Comparative example 2:
comparative example 2 is substantially the same as example 1 except that: the second absorbent core was provided with the same number of transverse drainage channels as the transverse drainage channels and the longitudinal drainage channels in example 1.
Comparative example 3:
comparative example 3 is substantially the same as example 1 except that: the transverse drainage groove and the longitudinal drainage groove on the second absorbent core are replaced by vortex-shaped drainage grooves formed by a plurality of circular lower seepage holes with the aperture of 3 mm.
The sanitary absorbent articles of examples 1 to 6 and comparative examples 1 to 3 were subjected to performance tests, and test structures are shown in table 1.
The first test method comprises the following steps: taking animal blood for testing, respectively adding liquid by using a syringe at 0min and 10min, wherein the liquid adding amount is 5mL each time, and recording the time of finishing each time of absorption as the absorption speed in units of s; the reverse osmosis amount is tested by adopting filter paper 5min after liquid adding, the filter paper is pressed for 1min by a weight of 1.2kg, and the gram weight added by the filter paper is weighed in g;
and a second test method: attaching the sanitary absorbing article to the bottom of the U-shaped groove, and longitudinally inclining to the left or right or backwards by 10 degrees for liquid adding test; animal blood is taken for 2 times, each time is 5mL, the interval is 10 minutes, the animal blood is received by a tray after each time of liquid adding, the animal blood is weighed and recorded, the unit is g, and the side leakage prevention effect and the rear leakage prevention effect are judged.
TABLE 1
As can be seen from Table 1, the sanitary absorbent article of the present utility model has the advantages of high liquid absorption speed and good reverse osmosis prevention effect, and can make the surface layer of the sanitary absorbent article have good dryness, and simultaneously can effectively prevent side leakage or back leakage of liquid by matching with the flow blocking strip in the absorbent layer.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (12)
1. The sanitary absorbent article is characterized by comprising a surface layer, a conductive layer, an absorbent layer and a leakage-proof layer which are sequentially arranged from top to bottom;
the absorption layer sequentially comprises a first absorption core, a second absorption core and a third absorption core from top to bottom; the second absorbent core has a length less than the lengths of the first and third absorbent cores, the second absorbent core being located in a central region of the first and third absorbent cores;
the second absorbent core is provided with a plurality of transverse drainage grooves and a plurality of longitudinal drainage grooves, and each transverse drainage groove is connected with each longitudinal drainage groove end to end;
the two sides of the second absorption core are provided with first flow blocking strips higher than the second absorption core.
2. The sanitary absorbent article according to claim 1, wherein the first absorbent core and the third absorbent core are each a super absorbent resin composite paper, and the second absorbent core is composed of a super absorbent resin layer and a wood pulp layer.
3. The sanitary absorbent article according to claim 1, wherein both the transverse drainage channel and the longitudinal drainage channel extend through the second absorbent core.
4. The sanitary absorbent article according to claim 1, wherein,
each transverse drainage groove is connected with each longitudinal drainage groove end to form a spiral drainage structure.
5. The sanitary absorbent article according to claim 1, wherein the transverse drainage channel has a length of 5 to 30mm and the longitudinal drainage channel has a length of 30 to 100mm; the width of the transverse drainage groove and the longitudinal drainage groove is 2-10 mm.
6. The sanitary absorbent article according to claim 1, wherein said first flow-blocking strip is comprised of fluff pulp;
the first flow blocking strip is 1-5 mm higher than the second absorbent core, the length of the first flow blocking strip is 5-15 mm, and the width of the first flow blocking strip is 1-7 mm; the number of the first flow blocking strips on each side is 1-5.
7. The sanitary absorbent article according to claim 1, wherein a rear end position in a longitudinal direction of the second absorbent core is provided with a flow blocking structure higher than the second absorbent core, the flow blocking structure being constituted of fluff pulp, the flow blocking structure being higher than the second absorbent core by 1 to 5mm.
8. The sanitary absorbent article according to claim 7, wherein the flow-blocking structure comprises a flow-blocking lattice and a second flow-blocking strip in that order along the direction from the central location to the rear location of the second absorbent core; the flow blocking dot matrix is formed by sequentially arranging a plurality of dot flow blocking bulges, and the second flow blocking strip is arc-shaped.
9. The sanitary absorbent article according to claim 8, wherein the number of punctiform flow-blocking projections increases gradually in the direction from the central position to the rear end position of the second absorbent core.
10. The sanitary absorbent article according to claim 8, wherein,
the number of the punctiform flow blocking protrusions is 1-20, and the interval between two adjacent punctiform flow blocking protrusions is 1-10 mm;
the length of the second flow blocking strip is 30-90 mm, and the width of the second flow blocking strip is 1-7 mm.
11. The sanitary absorbent article according to claim 1, wherein the first absorbent core and the third absorbent core are provided with deflector holes; the aperture of the diversion holes is 2-3 mm, and the distribution density of the diversion holes is 1-100 pieces/cm 2 。
12. The sanitary absorbent article according to any one of claims 1 to 11, wherein the surface layer is at least one of a hot air nonwoven, a spunbond nonwoven or a hydroentangled nonwoven;
the two sides of the surface layer are also provided with three-dimensional shields higher than the surface layer; the conductive layer is at least one of hot air non-woven fabric or spun-bonded non-woven fabric;
the leakage-proof layer is a breathable PE film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223484042.6U CN219835762U (en) | 2022-12-26 | 2022-12-26 | Sanitary absorbing article |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223484042.6U CN219835762U (en) | 2022-12-26 | 2022-12-26 | Sanitary absorbing article |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219835762U true CN219835762U (en) | 2023-10-17 |
Family
ID=88298611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223484042.6U Active CN219835762U (en) | 2022-12-26 | 2022-12-26 | Sanitary absorbing article |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219835762U (en) |
-
2022
- 2022-12-26 CN CN202223484042.6U patent/CN219835762U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2667580C1 (en) | Absorbent article comprising inlet material | |
| CN215131723U (en) | Novel hygienic product | |
| CN215459367U (en) | Infant paper diaper capable of preventing side leakage | |
| CN219835762U (en) | Sanitary absorbing article | |
| CN210991194U (en) | Diaper capable of preventing rear leakage | |
| CN219089931U (en) | Sanitary towel absorption core with strip-shaped distributed macromolecules | |
| CN216365570U (en) | Double-core menstrual period trousers | |
| CN215273941U (en) | Paper diaper with lithospermum for protecting buttocks | |
| CN218165499U (en) | Dry and comfortable absorber | |
| CN209916393U (en) | High-molecular sanitary towel | |
| CN213489859U (en) | Absorbent core and sanitary towel | |
| CN211658523U (en) | Absorption core and sanitary product | |
| CN211884261U (en) | Prevent edge leakage panty-shape diapers | |
| CN214967790U (en) | High-permeability diffusion absorption absorbent product | |
| CN216962817U (en) | Sanitary absorption article | |
| CN213910902U (en) | Absorbent article | |
| CN211705042U (en) | Leak-proof sanitary towel | |
| CN211271697U (en) | Paper diaper with good water absorption | |
| JP2003235894A (en) | Liquid diffusive sheet | |
| CN215192995U (en) | Novel absorption core | |
| CN219538695U (en) | Novel sanitary towel | |
| CN219184554U (en) | Sanitary towel | |
| CN219538702U (en) | Sanitary absorbing article | |
| CN219070989U (en) | Novel sanitary absorbing article | |
| CN217853614U (en) | Sanitary trousers |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |