CN221180825U - Sanitary absorbing article - Google Patents
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- CN221180825U CN221180825U CN202322034922.1U CN202322034922U CN221180825U CN 221180825 U CN221180825 U CN 221180825U CN 202322034922 U CN202322034922 U CN 202322034922U CN 221180825 U CN221180825 U CN 221180825U
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- wrapping
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- absorbent article
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- 239000002250 absorbent Substances 0.000 claims abstract description 250
- 230000002745 absorbent Effects 0.000 claims abstract description 249
- 238000010521 absorption reaction Methods 0.000 claims abstract description 86
- 239000002344 surface layer Substances 0.000 claims abstract description 28
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- 239000011247 coating layer Substances 0.000 claims description 77
- 239000004745 nonwoven fabric Substances 0.000 claims description 58
- 239000011347 resin Substances 0.000 claims description 22
- 229920005989 resin Polymers 0.000 claims description 22
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- YIWGJFPJRAEKMK-UHFFFAOYSA-N 1-(2H-benzotriazol-5-yl)-3-methyl-8-[2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carbonyl]-1,3,8-triazaspiro[4.5]decane-2,4-dione Chemical compound CN1C(=O)N(c2ccc3n[nH]nc3c2)C2(CCN(CC2)C(=O)c2cnc(NCc3cccc(OC(F)(F)F)c3)nc2)C1=O YIWGJFPJRAEKMK-UHFFFAOYSA-N 0.000 description 1
- DEXFNLNNUZKHNO-UHFFFAOYSA-N 6-[3-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]piperidin-1-yl]-3-oxopropyl]-3H-1,3-benzoxazol-2-one Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C1CCN(CC1)C(CCC1=CC2=C(NC(O2)=O)C=C1)=O DEXFNLNNUZKHNO-UHFFFAOYSA-N 0.000 description 1
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Landscapes
- Absorbent Articles And Supports Therefor (AREA)
Abstract
The utility model provides a sanitary absorbent article, which sequentially comprises a surface layer, a covering layer, an absorbent core and a leakage-proof layer from top to bottom; the absorbent core includes an absorbent layer; the absorbing layer comprises at least one layer of absorbent paper, a seepage hole structure is arranged in the absorbing layer, and the seepage hole structure is protruded on the lower surface of the absorbing layer. The porous structure in the sanitary absorbent article is protruded to form a three-dimensional suspension honeycomb structure, so that the sanitary absorbent article has the effects of promoting the downhill osmosis absorption speed and increasing the air permeability, can effectively play a role in rapid absorption, can increase the softness of the product, and has very good air permeability.
Description
Technical Field
The utility model relates to the technical field of physiological sanitary products, in particular to a sanitary absorbing product.
Background
Sanitary absorbent articles such as sanitary napkins are an indispensable product in women's daily necessities. The conventional sanitary towel structure generally comprises a surface layer, an absorption core body and a bottom film, the structure of the sanitary towel is generally simple, the absorption structure of the sanitary towel is one or more layers of absorption core body structures which are tiled, the structure is single, the absorption speed is low, the whole body is hard, the air permeability is poor, or the structure of the fluff pulp core body is quick in absorption, but the dryness is poor, bacteria and the like are easy to breed.
In summary, it is highly desirable to provide a sanitary absorbent article.
Disclosure of utility model
In order to solve one or more technical problems of the conventional sanitary article, the utility model provides a sanitary absorbent article. The sanitary absorbent article can effectively play a role in quick absorption, can increase the softness of the product, and has good air permeability and dryness.
The utility model provides a sanitary absorbent article, which sequentially comprises a surface layer, a covering layer, an absorbent core and a leakage-proof layer from top to bottom; the absorbent core includes an absorbent layer; the absorbing layer comprises at least one layer of absorbent paper, a seepage hole structure is arranged in the absorbing layer, and the seepage hole structure is protruded on the lower surface of the absorbing layer.
Preferably, the absorbent core further comprises a cover layer covering the absorbent layer; the coating layer is at least one layer of absorbent paper, a seepage hole structure is arranged in the coating layer, and the seepage hole structure protrudes towards the absorbent layer.
Preferably, in the absorption layer, the infiltration hole structure protrudes on the lower surface of the absorption layer to form a three-dimensional suspension honeycomb structure; and/or in the coating layer, the infiltration hole structure protrudes towards the absorption layer to form a three-dimensional suspension honeycomb structure.
Preferably, the absorbent paper is wet-process super absorbent resin absorbent paper.
Preferably, the wrapping layer covers the lower surface of the absorbing layer, the wrapping layer extends and bends upwards from two sides to form a wrapping part, the wrapping part covers the upper surface of the absorbing layer, or the wrapping layer covers the upper surface of the absorbing layer, the wrapping layer extends and bends downwards from two sides to form a wrapping part, and the wrapping part covers the lower surface of the absorbing layer; the two ends of the wrapping part are provided with a space.
Preferably, the wrapping layer covers the lower surface of the absorbing layer, the wrapping layer extends and bends upwards from two sides to form a wrapping part, and the wrapping part covers the upper surface of the absorbing layer; the wrapping layer extends upwards to be bent to form the bending part of the wrapping part, and the elastic band is arranged at the bending part.
Preferably, two ends of the wrapping part with intervals extend downwards to form a wrapping part, and the wrapping part wraps the outer part of the rubber band.
Preferably, the width of the space is 0 to 5cm.
Preferably, the surface layer and/or the covering layer is/are formed by at least one layer of non-woven fabric, wherein the non-woven fabric is one or more of hot air non-woven fabric, spunlaced non-woven fabric or spun-bonded non-woven fabric, and the gram weight of each layer of non-woven fabric is 10-65 g/m 2; and/or the area of the cover layer is not greater than the area of the skin layer.
Preferably, the leakage-proof layer is a PE film or a water-repellent non-woven fabric.
The utility model has the following beneficial effects:
(1) The utility model provides a sanitary absorbent article, wherein an absorption layer in the sanitary absorbent article comprises at least one layer, a seepage hole structure is arranged in the absorption layer, the seepage hole structure is protruded on the lower surface of the absorption layer to form a three-dimensional suspended honeycomb structure, the effect of increasing the seepage speed of the absorption layer is achieved, human excrement can be quickly absorbed, the phenomenon of overflow leakage caused by untimely absorption of the human excrement can be effectively prevented, meanwhile, the arrangement of the three-dimensional suspended honeycomb structure can increase the air permeability of the sanitary absorbent article, the breeding of anaerobic bacteria can be effectively reduced, and the formation of the three-dimensional suspended honeycomb structure can increase the flexibility of the absorbent paper in the transverse direction (width direction) and the longitudinal direction (length direction); in addition, the formation of the three-dimensional suspended honeycomb structure can increase the surface area of the absorption layer, so that the three-dimensional suspended honeycomb structure can more effectively absorb and hold liquid, effectively store the liquid entering the absorption layer, effectively reduce reverse osmosis and improve the dryness of the sanitary absorbent article; the sanitary absorbent article can effectively play a role in quick absorption, can increase the softness of the product, and has good air permeability and dryness.
(2) In a preferred embodiment of the present utility model, the absorbent core further includes a coating layer for coating the absorbent layer; the coating layer is at least one layer of absorbent paper, the coating layer is internally provided with a seepage hole structure, the seepage hole structure protrudes towards the absorption layer to form a three-dimensional suspension honeycomb structure, the seepage hole structure protruding downwards in the coating layer can better absorb and hold liquid, the liquid can permeate the absorption layer more quickly and is uniformly distributed in the whole sanitary absorbent article, the absorption capacity is improved and reverse osmosis is reduced, the seepage hole structure protruding upwards in the coating layer can prevent the liquid from overflowing from the side surface of the coating layer, after the liquid is absorbed, the upward seepage hole structure in the coating layer can form a barrier for blocking the liquid from flowing to two sides, the risk of side leakage can be reduced, and compared with the coating layer made of non-woven fabrics, dust-free paper, wet-strength paper, common absorbent paper or the like, the air permeability of the sanitary absorbent article can be increased, the seepage hole and the formation of the three-dimensional suspension honeycomb structure provide channels and gaps, the moist and heat feeling are reduced, the more comfortable use experience is provided, and the formation of the three-dimensional suspension honeycomb structure can increase the formation of the coating layer can also provide a better comfortable and soft feeling of wearing and comfortable body, and comfortable feeling of the sanitary article; in a preferred technical scheme of the utility model, the coating layer and the absorption layer are both formed with a three-dimensional suspended honeycomb structure, so that an air layer can be equivalently formed between the coating layer and the absorption layer, and the air layer also has the effect of increasing air circulation, so that the air permeability of the sanitary absorbent article is better.
(3) In the preferred technical scheme of the utility model, when the coating layer coats the absorption layer, the coating layer is folded to form the interval (the groove), and after the sanitary absorption article contacts a human body and is extruded by the human body, the interval has the function of conducting liquid, has a certain flow guiding effect, can conduct human excrement to the two ends of the absorption layer in the longitudinal direction (the length direction) along the groove, increases the diffusion area, and improves the absorption utilization rate of the absorption layer, thereby playing the role of reducing reverse osmosis and increasing dryness.
(4) In the preferred technical scheme of the utility model, the coating layer covers the lower surface of the absorption layer, the coating layer extends and bends upwards from two sides to form a folding part, and the folding part covers the upper surface of the absorption layer; the cladding extends upwards and buckles to form the department of buckling of package portion is provided with the rubber band, and is preferable to set up the rubber band here, and the elasticity of here rubber band can make the absorbed layer crooked, compares the mode that sets up the rubber band in the bottom, can make sanitary absorbent article laminate human curve better, provides better leakproofness, prevents the side leakage, prevents that the side leakage effect is better.
(5) The sanitary absorbent article disclosed by the utility model can be suitable for women during menstrual period, can quickly absorb human excrement, and has the advantages of softness, comfort, good dryness and very good air permeability.
Drawings
The drawings of the present utility model are provided for illustrative purposes only and the proportion and the size of the parts in the drawings do not necessarily coincide with the actual products.
FIG. 1 is a schematic view of the construction of a sanitary absorbent article in some embodiments of the present utility model;
FIG. 2 is a schematic representation of the distribution of the perforation in the upper surface of an absorbent layer in some embodiments of the present utility model;
FIG. 3 is a graphical representation of the distribution of the perforation in the upper surface of an absorbent layer in some embodiments of the present utility model;
FIG. 4 is a graphical representation of the distribution of a three-dimensional suspended honeycomb structure in the lower surface of an absorbent layer in some embodiments of the utility model;
FIG. 5 is a schematic view of the construction of a sanitary absorbent article according to further embodiments of the present utility model;
FIG. 6 is a schematic representation of the distribution of elastic on the stretched cover in further embodiments of the present utility model;
Fig. 7 is a schematic structural view of a sanitary absorbent article in further embodiments of the present utility model.
In the figure: 1: a surface layer; 2: a cover layer; 3: an absorption layer; 4: a coating layer; 41: a folding part; 42: spacing; 43: a wrapping portion; 5: a leakage-proof layer; 6: seepage holes; 7: a three-dimensional suspended honeycomb structure; 8: an elastic band.
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 in the embodiments of the present utility model will be clearly and completely described in the following in conjunction with 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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The present utility model provides a sanitary absorbent article, for example, as shown in fig. 1 to 7, fig. 1 is a schematic structural view of the sanitary absorbent article in some embodiments of the present utility model;
FIG. 2 is a schematic representation of the distribution of the perforation in the upper surface of an absorbent layer in some embodiments of the present utility model; FIG. 3 is a graphical representation of the distribution of the perforation in the upper surface of an absorbent layer in some embodiments of the present utility model; FIG. 4 is a graphical representation of the distribution of a three-dimensional suspended honeycomb structure in the lower surface of an absorbent layer in some embodiments of the utility model; FIG. 5 is a schematic view of the construction of a sanitary absorbent article according to further embodiments of the present utility model; FIG. 6 is a schematic representation of the distribution of elastic on the stretched cover in further embodiments of the present utility model; fig. 7 is a schematic structural view of a sanitary absorbent article in further embodiments of the present utility model.
The present utility model provides a sanitary absorbent article, for example, as shown in fig. 1-4; the sanitary absorbent article comprises a surface layer 1, a covering layer 2, an absorbent core and a leakage-proof layer 5 (also called as bottom layer) from top to bottom in sequence; the absorbent core is used as a main structural layer for absorbing and containing human body excreta in the sanitary absorbent article; the absorbent core comprises an absorbent layer 3; the absorbent layer 3 comprises at least one layer(s) of absorbent paper, and the absorbent layer 3 is provided with a porous structure, for example, as shown in fig. 1, 2 and 3; the infiltration hole structure is protruded on the lower surface of the absorption layer 3; in the absorbent layer 3, the porous structure is raised to form a three-dimensional suspended honeycomb structure 7, for example, as shown in fig. 4; In the present utility model, the absorbent paper may be, for example, a general absorbent paper (e.g., dry-made absorbent paper) or a wet-made super absorbent resin absorbent paper; in the present utility model, the general absorbent paper refers to other absorbent paper products having an absorbent function on the market, such as dry-manufactured absorbent paper or absorbent materials of a multi-layer composite structure containing super absorbent resin; in the present utility model, the dry-process water-absorbent paper is constituted by, for example, sandwiching a mixed layer formed by mixing fluff pulp and a super absorbent resin between upper and lower wet-strength paper layers; in the mixed layer, the mass ratio of fluff pulp to super absorbent resin is not particularly limited, and the mixed layer is also referred to as a fluff pulp super absorbent resin layer as conventionally selected in the art; Preferably, the absorbent paper is a wet-made super absorbent resin absorbent paper, which is a known material in the prior art, and can be obtained by an existing wet papermaking process such as the wet papermaking process in CN201910661219.9 or CN 201710966882.0; in the utility model, the absorbent layer is formed by adopting the absorbent paper, the absorbent paper is softer, when the porous structure is arranged on the absorbent paper, the porous structure can be raised (downwards raised) on the back (lower surface) of the absorbent layer to form a three-dimensional suspended honeycomb structure, and particularly when the absorbent paper is made of the super absorbent resin by a wet method, compared with the common absorbent paper, the absorbent paper is more easy to form into the three-dimensional suspended honeycomb structure (also called as a three-dimensional honeycomb structure) while the absorbent paper of the super absorbent resin is effectively ensured to have higher liquid absorption speed and better dryness; In the present utility model, when the absorbent layer 3 includes multiple layers (two or more layers) of absorbent paper, the stacked multiple layers of absorbent paper may be formed by punching, fixing and integrally molding; in the present utility model, the infiltration hole structure includes a plurality of infiltration holes 6, for example, as shown in fig. 1, 2 and 3, it is preferable that the infiltration holes 6 in the infiltration hole structure are circular holes, the aperture of the infiltration holes 6 is 0.5-2 mm, and the interval between two adjacent infiltration holes 6 is 3-10 mm; in the present utility model, the porous structure is formed by punching the absorbent layer 3, a plurality of porous holes 6 are formed by punching the upper surface (i.e., front surface) of the absorbent layer 3, the depth of the porous holes 6 extends in the thickness direction of the absorbent layer 3 and is at least 50% (e.g., 50%, 60%, 70%, 80%, 90% or 100%) of the thickness of the absorbent layer 3, preferably 90 to 100% of the thickness of the absorbent layer 3, the porous structure is protruded on the back surface (lower surface) of the absorbent layer 3, a three-dimensional suspended honeycomb structure 7 is formed, for example, as shown in fig. 4, that is, since the absorbent paper used for the absorbent layer has softness, when punching is carried out, the back surface of the absorption layer is not directly penetrated, but the seepage hole structure is protruded on the back surface of the absorption layer to form a three-dimensional suspension honeycomb structure; The hole pattern of the seepage hole in the seepage hole structure can be one or more of square, round, strip-shaped, wave-shaped, heart-shaped and star-shaped, and is preferably round; in the present utility model, the sanitary absorbent article may be a sanitary napkin.
The absorption layer in the sanitary absorbent article comprises at least one layer of absorbent paper, a seepage hole structure is arranged in the absorption layer, the seepage hole structure is protruded on the lower surface of the absorption layer to form a three-dimensional suspended honeycomb structure, the effect of increasing the seepage speed of the absorption layer is achieved, human excrement can be quickly absorbed, the phenomenon of overflow leakage caused by untimely absorption of the human excrement can be effectively prevented, meanwhile, the three-dimensional suspended honeycomb structure can increase the air permeability of the sanitary absorbent article, the breeding of anaerobic bacteria can be effectively reduced, and the formation of the three-dimensional suspended honeycomb structure can increase the transverse and longitudinal softness of the absorbent paper; in addition, the formation of the three-dimensional suspended honeycomb structure can increase the surface area of the absorption layer, so that the three-dimensional suspended honeycomb structure can more effectively absorb and hold liquid, effectively store the liquid entering the absorption layer, effectively reduce reverse osmosis and improve the dryness of the sanitary absorbent article; the sanitary absorbent article can effectively play a role in quick absorption, can increase the softness of the product, and has good air permeability and dryness.
According to some preferred embodiments, the absorbent core further comprises a cover layer 4 covering the absorbent layer 3; the coating layer 4 coats the absorbing layer 3 inside, the length of the absorbing layer 3 in the length direction is smaller than or equal to the length of the coating layer 4 in the length direction, and the width of the absorbing layer 3 in the width direction is smaller than the width of the coating layer 4 in the width direction; the coating layer 4 is at least one layer of absorbent paper, and a porous structure is arranged in the coating layer 4, and the porous structure protrudes towards the absorbent layer 3, for example, as shown in fig. 1; in the coating layer 4, the infiltration hole structures are protruded towards the absorption layer 3 to form a three-dimensional suspension honeycomb structure 7; for example, in fig. 1, the coating layer 4 includes a portion that covers over the absorbent layer 3, a portion that covers under the absorbent layer 3, and portions that cover both sides in the width direction of the absorbent layer 3, each portion of the coating layer 4 is provided with a hole penetrating structure (hole penetrating structure at a bending portion of the coating layer is not shown), and the hole penetrating structure protrudes toward the absorbent layer 3, and the hole penetrating structure protrudes downward for the hole penetrating structure in the portion of the coating layer 4 that is over the absorbent layer 3, and the hole penetrating structure in the portion of the coating layer 4 that is under the absorbent layer 3 protrudes upward; when forming the coating layer 4, for example, at least one layer of absorbent paper may be used, then the absorbent paper is perforated to form the seepage hole structure, the seepage hole structure protrudes on the back surface of the absorbent paper to form a three-dimensional suspension honeycomb structure, the absorbent layer is coated by the absorbent paper with the three-dimensional suspension honeycomb structure, and the three-dimensional suspension honeycomb structure is located at the inner side of the coating layer; in the present utility model, a porous structure is disposed in the coating layer 4, the porous structure includes a plurality of porous holes 6, preferably, the porous holes 6 in the porous structure are circular holes, the pore diameter of the porous holes 6 is 0.5-2 mm, the distance between two adjacent porous holes 6 is 3-10 mm, and the depth of the porous holes 6 is at least 50% of the thickness of the coating layer 4, preferably 90-100%; in the present utility model, when the pore structure is provided in both the coating layer and the absorbent layer, the distribution position of the pores in the pore structure is not particularly limited, for example, the pores in the pore structure in the coating layer portion above the absorbent layer, the pores in the pore structure in the coating layer portion below the absorbent layer, and the pores in the pore structure in the absorbent layer may be in one-to-one correspondence and/or staggered with each other, but preferably, the pores in the pore structure in the coating layer are uniformly distributed, and the pores in the pore structure in the absorbent layer are uniformly distributed.
The absorbent core of the present utility model preferably further comprises a coating layer coating the absorbent layer; the coating layer is made of water-absorbing paper, a seepage hole structure is arranged in the coating layer, the seepage hole structure protrudes towards the absorbing layer to form a three-dimensional suspension honeycomb structure, the downward protruding seepage hole structure in the coating layer can better absorb and hold liquid, the liquid can permeate the absorbing layer more quickly and is uniformly distributed in the whole sanitary absorbing article, absorption capacity is improved, reverse seepage is reduced, the upward protruding seepage hole structure in the coating layer can prevent liquid from overflowing from the side surface of the coating layer, after the liquid is absorbed, the upward seepage hole structure in the coating layer can form a barrier for blocking the liquid from flowing to two sides, the risk of side leakage can be reduced, and compared with the coating layer made of non-woven fabrics, dust-free paper, wet-strength paper and the like, the air permeability of the sanitary absorbing article can be increased, the formation of the three-dimensional suspension honeycomb structure provides channels and gaps, damp and stuffy feel are reduced, more comfortable use experience is provided, and the formation of the three-dimensional suspension honeycomb structure can increase the coating layer, so that the softness of the sanitary absorbing article can better adapt to the curve and the wearing of the sanitary article, and the sanitary article can be more comfortable to the user; in a preferred technical scheme of the utility model, the coating layer and the absorption layer are both formed with a three-dimensional suspended honeycomb structure, so that an air layer can be equivalently formed between the coating layer and the absorption layer, and the air layer also has the effect of increasing air circulation, so that the air permeability of the sanitary article is better.
In the utility model, when the absorbent layer or the coating layer comprises more than two layers of absorbent paper, the fixing mode can be directly through perforation fixing, or can be perforation fixing after the fixing mode of spraying hot melt adhesive between every two adjacent layers of absorbent paper is adopted.
According to some preferred embodiments, in the absorbent layer 3, the cellular structure protrudes on the lower surface of the absorbent layer 3 to form a three-dimensional suspended honeycomb structure 7, as shown, for example, in fig. 1, 5 and 7; and/or in the cover layer 4, the cellular structures project towards the absorbent layer 3 to form a three-dimensional suspended honeycomb structure 7, as shown, for example, in fig. 1, 5 and 7.
According to some preferred embodiments, the absorbent paper is a wet-laid superabsorbent resin absorbent paper; in the present utility model, the absorbent papers used in the coating layer 4 and the absorbent layer 3 may be the same or different, but are all more preferably made of super absorbent resin absorbent paper by wet method, preferably, the gram weight of the super absorbent resin absorbent paper made by single layer wet method is 50-250g/m 2; in the utility model, when the material of the coating layer is the same as that of the absorption layer, the material use type during production can be reduced, the production process is reduced, the production is convenient, and the coating layer formed with the three-dimensional suspended honeycomb structure has the characteristics of good air permeability, high absorption speed, side leakage prevention, good comfort and the like.
According to some preferred embodiments, the cover layer 4 covers the lower surface of the absorbent layer 3, the cover layer 4 extends and bends from two sides upwards to form a folded portion 41, the folded portion 41 covers the upper surface of the absorbent layer 3, or the cover layer 4 covers the upper surface of the absorbent layer 3, the cover layer 4 extends and bends from two sides downwards to form a folded portion 41, and the folded portion 41 covers the lower surface of the absorbent layer 3; a space 42 is arranged between two ends of the folding part 41; the utility model discloses a sanitary absorbent article, which is characterized in that the absorbent paper with a three-dimensional suspension honeycomb structure is preferably made of wet-process super absorbent resin, the absorbent paper is folded upwards or downwards to form a coating on an absorption layer, a certain distance exists between folded parts on two sides after folding, the folded parts are coated above the absorption layer, namely a certain height difference exists between the folded parts (folded parts) and the absorption layer, the height of the absorption layer is slightly lower than that of the folded parts, and a groove (also called as a diversion groove) is formed.
In the utility model, preferably, the three-dimensional suspended honeycomb structures are formed on the absorption layer and the infiltration hole structure in the coating layer, so that the absorption speed is high, the dryness is good, more preferably, the interval is arranged between the wrapping parts of the coating layer, and the formed grooves are used as diversion grooves, so that the longitudinal conduction effect is realized, the absorption speed can be effectively improved, the reverse infiltration amount can be reduced, and the dryness of the sanitary absorbent article can be improved; and the molding of the product can reduce the production process, so that the production process is simpler.
According to some preferred embodiments, for example, as shown in fig. 5, the wrapping layer 4 covers the lower surface of the absorbent layer 3, the wrapping layer 4 extends and bends from two sides upwards to form a folded portion 41, and the folded portion 41 covers the upper surface of the absorbent layer 3; in the present utility model, for example, an elastic band is respectively provided at the bending positions of the left and right sides of the wrapping layer 4 along the length direction, the elastic band is provided along the length direction of the sanitary absorbent article, and the elastic band 8 is located at the left and right sides of the absorbent layer 3 and the inner side of the wrapping layer 4; the elastic rubber band can be bonded with the coating layer 4 by rubber band, for example; the elastic threads 8 are distributed over the stretched cover layer 4 schematically, as shown in fig. 6, for example.
In the present utility model, it is preferable that the wrapping layer covers the lower surface of the absorbent layer, the wrapping layer extends and bends from two sides upwards to form a wrapping portion, and the wrapping portion covers the upper surface of the absorbent layer; the cladding extends upwards and buckles to form the department of buckling of package portion is provided with the rubber band, and is preferable to set up the rubber band here, and the elasticity of here rubber band can make the absorbed layer crooked, compares the mode that sets up the rubber band in the bottom, can make sanitary absorbent article laminate human curve better, provides better leakproofness, prevents the side leakage, prevents that the side leakage effect is better.
According to some preferred embodiments, the elastic band 8 is located at the bending position of the wrapping layer 4 extending and bending upwards to form the wrapping portion 41, that is, when the wrapping layer 4 is formed with the wrapping portion 41 extending and bending upwards from two sides, the elastic band 8 is located at the bending position (inside the bending position) of the lower wrapping layer 4 and located at two sides of the absorbent layer 3, for example, as shown in fig. 5.
According to some preferred embodiments, the wrapping portion 41 has two ends of the space 42 extending and bending downward to form a wrapping portion 43, and the wrapping portion 43 wraps around the rubber band 8, as shown in fig. 7, for example.
According to some preferred embodiments, the width of the space 42 is 0-5 cm (e.g., 0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1, 1.2, 1.5, 1.8, 2, 2.2, 2.5, 2.8, 3, 3.2, 3.5, 3.8, 4, 4.2, 4.5, 4.8, or 5 cm), preferably 0.1-5 cm, more preferably 1-5 cm; when the width of the interval is 0cm, the folding two sides are overlapped without grooves, the coating layer fully wraps the absorbing layer by 360 degrees, and preferably the width of the interval is 1-5 cm.
In the utility model, the surface layer is a first layer structure of the sanitary absorbent article, is in direct contact with human skin, and can be formed by at least one layer of non-woven fabric material, wherein the non-woven fabric can be spun-bonded non-woven fabric, hot air non-woven fabric and spun-laced non-woven fabric, the surface layer of the sanitary absorbent article can be formed by one or more of single-layer or multi-layer non-woven fabrics, and the gram weight of the single-layer non-woven fabric is 10-65 g/m 2; the covering layer is compounded on the lower layer of the surface layer and is positioned between the surface layer and the absorbent core, the materials of the covering layer and the surface layer can be the same or different, the covering layer is at least one layer of non-woven fabric, and the non-woven fabric is one or more of hot air non-woven fabric, spun-bonded non-woven fabric and spun-laced non-woven fabric; the laying area of the covering layer is equal to or smaller than that of the surface layer, the covering layer can be made of a plurality of layers of materials, and the areas of the materials of all layers are the same or different; in the cover layer, the grammage of the single-layer nonwoven fabric may be, for example, 10 to 100g/m 2.
According to some preferred embodiments, the surface layer 1 and/or the cover layer 2 is/are composed of at least one layer of non-woven fabric, which is one or more of hot air non-woven fabric, spun-laced non-woven fabric or spun-laced non-woven fabric, etc., and the gram weight of each layer of non-woven fabric is 10-65 g/m 2; and/or the area of the cover layer 2 is not larger than the area of the surface layer 1; preferably, the cover layer 2 is formed by at least one layer of non-woven fabric, the area of the cover layer 2 is the same as that of the surface layer 1 or smaller than that of the surface layer 1, and the non-woven fabric of the cover layer 2 is a spun-bonded non-woven fabric, a hot air non-woven fabric or a spun-laced non-woven fabric. In the present utility model, the barrier layer is located at the lower layer of the absorbent core and serves to isolate human body excretions, and the barrier layer may be made of, for example, at least one layer of PE film or water-repellent nonwoven fabric, and may be bonded to the lower layer of the absorbent core.
According to some preferred embodiments, the leakage preventing layer 5 is a PE film or a water-repellent nonwoven fabric, and may be made of at least one layer of PE film or water-repellent nonwoven fabric, for example, and the leakage preventing layer 5 is provided to prevent leakage.
According to some preferred embodiments, the two sides of the surface layer 1 are provided with a three-dimensional enclosure higher than the surface layer 1; the leakage preventing layer 5 comprises a PE film layer and a non-woven fabric layer, the PE film layer is closer to the absorption core than the non-woven fabric layer, the PE film layer exceeds the absorption core in the width direction, the PE film layer is folded upwards to form a leakage preventing part at the part exceeding the absorption core in the width direction, and the leakage preventing part is bonded with the inner side of the three-dimensional protection ring; in the utility model, specifically, the width of the PE film is larger than that of the absorbent core, and the part of the PE film, which is wider than the absorbent core, is folded upwards to form the leakage preventing part, and the leakage preventing part is adhered with the inner side of the three-dimensional protection ring; in the utility model, the leakage-proof part is higher than the surface layer, and the height of the leakage-proof part is slightly lower than the height of the three-dimensional guard.
The sanitary absorbent article of the utility model, preferably the width of the PE film exceeds the width of the absorbent core, fold up and form the leak-proof part than the wide part of the absorbent core, and the leak-proof part is bonded with inboard of the stereoscopic guard, can carry on the double leak-proof with the stereoscopic guard while using, but the report of double stereoscopic guard in the prior art, but can't avoid the phenomenon that the liquid permeates the stereoscopic guard and pollutes the clothes because of deformation or torsion of the sanitary absorbent article in the course of using well, the utility model adopts PE film to form the leak-proof part integrally, have better waterproof performance, can prevent menstrual blood or other liquid side leakage more effectively, this kind of structure can prevent the side leakage more effectively, offer more reliable protection, and the leak-proof part formed has good air permeability, can promote the flow of the air and discharge of the moisture, can keep the good air permeability of the sanitary article, this helps reducing the moist feel, raise the comfort, and reduce the risk of the bacterium, and PE film layer (for example ventilate PE film layer) is soft, comfortable, can not bring the sense of touch to the stereoscopic guard of the user and the sense of reality that the leak-proof part is more compact in the whole structure; the sanitary absorbent article of the utility model has the advantages of leak prevention, high absorption speed, dryness, good air permeability and the like.
In the present utility model, when the sanitary absorbent article further includes the three-dimensional protector and the leakage preventing portion, the sanitary absorbent article is preferably a pants-type sanitary napkin or a diaper, and in the present utility model, it is preferable that the PE film layer is closer to the absorbent core than the nonwoven fabric base layer, and particularly, for example, when the sanitary absorbent article is a diaper or a pants-type sanitary napkin, a nonwoven fabric base layer is further provided under the PE film layer of the sanitary absorbent article, so that the sanitary absorbent article has soft touch and comfortable touch.
According to some preferred embodiments, the PE film has a width that is 0.2 to 3.5cm greater than the width of the absorbent core.
According to some preferred embodiments, the PE film layer is a breathable PE film layer; the non-woven fabric layer is a hot air non-woven fabric layer or a spun-bonded non-woven fabric layer; and/or the three-dimensional guard is formed by wrapping rubber strings (elastic rubber strings) by non-woven fabrics.
In the present utility model, the sanitary absorbent article comprises a top sheet, a cover sheet, an absorbent core and a leakage preventing layer, which are bonded by, for example, a hot melt adhesive, and the absorbent layer and the cover sheet are bonded by, for example, a hot melt adhesive, and the peeled state between the layers shown in fig. 1, 5 and 7 is merely to clearly show the structure of each layer; in the present utility model, the azimuth or positional relationship indicated by the terms "upper", "lower", "left", "right", "inside", etc., are based on the azimuth or positional relationship shown in fig. 1, 5, and 7, and are merely for convenience of description of the present utility model and for simplification of description, and do not indicate or imply that the components referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model; the specific meaning of the above terms in the present utility model can be understood as appropriate by those of ordinary skill in the art.
The utility model is further illustrated below with reference to examples. These examples are merely illustrative of preferred embodiments of the present utility model and the scope of the present utility model should not be construed as being limited to these examples only.
Example 1
As shown in fig. 1, for example, the sanitary absorbent article comprises a surface layer (hot air non-woven fabric), a cover layer (hot air non-woven fabric), an absorbent core and a leakage-proof layer (breathable PE film) which are sequentially arranged from top to bottom, wherein the surface layer adopts a layer of hot air non-woven fabric, the cover layer adopts a layer of hot air non-woven fabric, the area of the cover layer is smaller than that of the surface layer, and the leakage-proof layer adopts a layer of breathable PE film; the absorbent core is composed of an absorbent layer and a coating layer, the absorbent layer comprises two layers of wet-process super absorbent resin absorbent paper, a permeation hole structure is arranged in the absorbent layer, the permeation hole structure comprises a plurality of permeation holes, the depth of the permeation holes extends in the thickness direction of the absorbent layer and is 100% of the thickness of the absorbent layer, the permeation hole structure protrudes on the lower surface of the absorbent layer to form a three-dimensional suspended honeycomb structure (three-dimensional honeycomb structure), and the gram weight of the single-layer wet-process super absorbent resin absorbent paper is 85g/m 2; the coating layer is two layers of wet-process super absorbent resin absorbent paper, wherein the gram weight of the single-layer wet-process super absorbent resin absorbent paper is 85g/m 2; the coating layer is internally provided with a seepage hole structure, the seepage hole structure comprises a plurality of seepage holes, the depth of each seepage hole is 100% of the thickness of the coating layer, and the seepage hole structure protrudes towards the absorption layer to form a three-dimensional suspended honeycomb structure (three-dimensional honeycomb structure); the coating layer covers the lower surface of the absorption layer, the coating layer extends upwards from two sides to be bent to form a folding part, the folding part covers the upper surface of the absorption layer, a space is arranged between two ends of the folding part, and the width of the space is 2cm.
Example 2
Example 2 is substantially the same as example 1 except that:
The absorption layer comprises two layers of common absorbent paper (dry-process absorbent paper), a permeation hole structure is arranged in the absorption layer, the permeation hole structure comprises a plurality of permeation holes, the depth of the permeation holes extends in the thickness direction of the absorption layer and is 100% of the thickness of the absorption layer, the permeation hole structure protrudes on the lower surface of the absorption layer to form a three-dimensional suspended honeycomb structure (three-dimensional honeycomb structure), and the gram weight of a single-layer common absorbent paper is 110g/m 2; the coating layer is two layers of common absorbent paper (dry-process absorbent paper), wherein the gram weight of the single-layer common absorbent paper is 110g/m 2; the coating layer is internally provided with a seepage hole structure, the seepage hole structure comprises a plurality of seepage holes, the depth of each seepage hole is 100% of the thickness of the coating layer, and the seepage hole structure protrudes towards the absorption layer to form a three-dimensional suspended honeycomb structure (three-dimensional honeycomb structure); the coating layer covers the lower surface of the absorption layer, the coating layer extends upwards from two sides to be bent to form a folding part, the folding part covers the upper surface of the absorption layer, a space is arranged between two ends of the folding part, and the width of the space is 2cm.
Example 3
As shown in fig. 5, for example, the sanitary absorbent article comprises a surface layer (hot air non-woven fabric), a cover layer (hot air non-woven fabric), an absorbent core and a leakage-proof layer (breathable PE film) which are sequentially arranged from top to bottom, wherein the surface layer adopts a layer of hot air non-woven fabric, the cover layer adopts a layer of hot air non-woven fabric, the area of the cover layer is smaller than that of the surface layer, and the leakage-proof layer adopts a layer of breathable PE film; the absorbent core is composed of an absorbent layer and a coating layer, the absorbent layer comprises two layers of wet-process super absorbent resin absorbent paper, a permeation hole structure is arranged in the absorbent layer, the permeation hole structure comprises a plurality of permeation holes, the depth of the permeation holes extends in the thickness direction of the absorbent layer and is 100% of the thickness of the absorbent layer, the permeation hole structure protrudes on the lower surface of the absorbent layer to form a three-dimensional suspended honeycomb structure (three-dimensional honeycomb structure), and the gram weight of the single-layer wet-process super absorbent resin absorbent paper is 85g/m 2; the coating layer is two layers of wet-process super absorbent resin absorbent paper, wherein the gram weight of the single-layer wet-process super absorbent resin absorbent paper is 85g/m 2; the coating layer is internally provided with a seepage hole structure, the seepage hole structure comprises a plurality of seepage holes, the depth of each seepage hole is 100% of the thickness of the coating layer, and the seepage hole structure protrudes towards the absorption layer to form a three-dimensional suspended honeycomb structure (three-dimensional honeycomb structure); the wrapping layer covers the lower surface of the absorption layer, the wrapping layer extends and bends upwards from two sides to form a wrapping part, the wrapping part covers the upper surface of the absorption layer, a space is arranged between two ends of the wrapping part, and the width of the space is 2cm; the wrapping layer extends upwards to buckle to form the bending part of the wrapping portion is provided with an elastic band, and the bending parts of the wrapping layer on the left side and the right side are respectively provided with an elastic band along the length direction.
Comparative example 1
Comparative example 1 is substantially the same as example 1 except that:
The coating layer in this comparative example was different from that in example 1 in that the coating layer in this comparative example was made of a commercially available ordinary absorbent paper (dry-process absorbent paper) and was made of a single-layer ordinary absorbent paper having no porous structure nor a three-dimensional suspended honeycomb structure, and the gram weight of the single-layer ordinary absorbent paper was 100g/m 2.
The sanitary absorbent articles of examples 1 to 3 and comparative example 1 of the present utility model were subjected to performance test, and the test results are shown in Table 1.
The first test method comprises the following steps: taking animal blood for testing, adding liquid by using a syringe for 0min, 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 was measured 5min after the addition with filter paper and 1min with a 1.2kg weight, the gram weight added by the filter paper in g was weighed.
And a second test method: the air permeability of the samples was evaluated by a wearing test by 50 persons, and the results are shown in table 1.
TABLE 1
| Examples | Liquid suction speed/s | Reverse osmosis amount/g | Air permeability |
| Example 1 | 3 | 0.27 | Good (good) |
| Example 2 | 5 | 0.46 | Good (good) |
| Example 3 | 3 | 0.26 | Good (good) |
| Comparative example 1 | 9 | 0.63 | In general |
The utility model is not described in detail in the area of the technical field, which is skilled in the art, can be designed according to the need.
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 (11)
1. A sanitary absorbent article, characterized in that:
The sanitary absorbent article sequentially comprises a surface layer, a covering layer, an absorbent core and a leakage-proof layer from top to bottom;
the absorbent core includes an absorbent layer;
the absorbing layer comprises at least one layer of absorbent paper, a seepage hole structure is arranged in the absorbing layer, and the seepage hole structure is protruded on the lower surface of the absorbing layer.
2. The sanitary absorbent article of claim 1, wherein:
the absorbent core further comprises a cover layer covering the absorbent layer;
The coating layer is at least one layer of absorbent paper, a seepage hole structure is arranged in the coating layer, and the seepage hole structure protrudes towards the absorbent layer.
3. The sanitary absorbent article according to claim 1 or 2, wherein:
In the absorption layer, the infiltration hole structure protrudes from the lower surface of the absorption layer to form a three-dimensional suspension honeycomb structure.
4. The sanitary absorbent article of claim 2, wherein:
In the coating layer, the infiltration hole structure protrudes towards the absorption layer to form a three-dimensional suspension honeycomb structure.
5. The sanitary absorbent article according to claim 1 or 2, wherein:
The water-absorbing paper is super absorbent resin water-absorbing paper manufactured by a wet method.
6. The sanitary absorbent article of claim 2, wherein:
The wrapping layer covers the lower surface of the absorption layer, the wrapping layer extends upwards from two sides to form a wrapping part, the wrapping part covers the upper surface of the absorption layer, or the wrapping layer covers the upper surface of the absorption layer, the wrapping layer extends downwards from two sides to form a wrapping part, and the wrapping part covers the lower surface of the absorption layer;
the two ends of the wrapping part are provided with a space.
7. The sanitary absorbent article of claim 6, wherein:
The wrapping layer is covered on the lower surface of the absorption layer, the wrapping layer extends and bends upwards from two sides to form a wrapping part, and the wrapping part is covered on the upper surface of the absorption layer;
The wrapping layer extends upwards to be bent to form the bending part of the wrapping part, and the elastic band is arranged at the bending part.
8. The sanitary absorbent article of claim 7, wherein:
the two ends of the wrapping and folding part with the interval extend downwards to form a wrapping part, and the wrapping part wraps the outer part of the rubber band.
9. The sanitary absorbent article of claim 6, wherein:
The width of the interval is 0-5 cm.
10. The sanitary absorbent article of claim 1, wherein:
The surface layer and/or the covering layer is/are formed by at least one layer of non-woven fabric, wherein the non-woven fabric is one or more of hot air non-woven fabric, spunlaced non-woven fabric or spun-bonded non-woven fabric, and the gram weight of each layer of non-woven fabric is 10-65 g/m 2; and/or
The area of the cover layer is not greater than the area of the surface layer.
11. The sanitary absorbent article of claim 1, wherein:
the leakage-proof layer is a PE film or a water-repellent non-woven fabric.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322034922.1U CN221180825U (en) | 2023-07-31 | 2023-07-31 | Sanitary absorbing article |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322034922.1U CN221180825U (en) | 2023-07-31 | 2023-07-31 | Sanitary absorbing article |
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| CN221180825U true CN221180825U (en) | 2024-06-21 |
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| CN202322034922.1U Active CN221180825U (en) | 2023-07-31 | 2023-07-31 | Sanitary absorbing article |
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