CN216365570U - Double-core menstrual period trousers - Google Patents
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- CN216365570U CN216365570U CN202122621764.0U CN202122621764U CN216365570U CN 216365570 U CN216365570 U CN 216365570U CN 202122621764 U CN202122621764 U CN 202122621764U CN 216365570 U CN216365570 U CN 216365570U
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Abstract
The utility model provides a pair of core menstrual period trousers, which comprises a menstrual period trousers main body, wherein the outer side of the menstrual period trousers main body is provided with an elastic waistline, and the menstrual period trousers are characterized in that: the inside of the menstrual period trousers main body comprises a skin-friendly surface layer, a double-core absorber and a bottom leakage-proof layer which are sequentially arranged along the vertical direction; the dual core absorbent comprises a first absorbent layer, a second absorbent layer and a wrapping layer; wherein the first absorbent layer is positioned above the second absorbent layer; the first absorption layer is provided with lower seepage holes and flow blocking grooves; the second absorption layer is provided with strip-shaped diversion trenches; the wrapping layer is used for wrapping the first absorption layer and the second absorption layer. The dual-core menstrual period pants have the advantages of high liquid absorption speed, good dryness and comfort and fitting.
Description
Technical Field
The utility model relates to the technical field of sanitary products, in particular to double-core menstrual period pants.
Background
Even if a long sanitary towel is selected by women in the menstrual period, the phenomena of side leakage and back leakage still occur, particularly the problem of back leakage at night, the sleeping quality of most girls is affected, and even the mental state of the next day is affected. The menstrual blood flows downwards along the curve of the body under the action of gravity, but the common plane sanitary napkins on the market are difficult to completely fit with the body, and the menstrual blood is remained in the gap, so that leakage can be generated.
The menstrual pants are the combination of the sanitary towel and the underpants, and are convenient to put on and take off and cannot leak. However, most menstrual pants in the market have poor fit with the body, so that a woman feels sultry and airtight after wearing the pants for a long time, the core body is pressed to become compact when the pants are used, the absorbability and the softness are poor, the surface layer is sticky and poor in dryness, bacteria are easy to breed, and various gynecological diseases are caused to the woman. Therefore, there is an urgent need for a sanitary product for menstrual period which has good liquid absorption, good dryness and comfortable fit.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model aims to provide the pair of core menstrual period trousers which have high liquid absorption speed, good dryness and comfort.
In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a two-core menstrual period trousers, includes menstrual period trousers main part, the outside of menstrual period trousers main part is equipped with elastic waist, its characterized in that:
the inside of the menstrual period trousers main body comprises a skin-friendly surface layer, a double-core absorber and a bottom leakage-proof layer which are sequentially arranged along the vertical direction;
the dual core absorbent comprises a first absorbent layer, a second absorbent layer and a wrapping layer; wherein the first absorbent layer is positioned above the second absorbent layer;
the first absorption layer is provided with lower seepage holes and flow blocking grooves; the second absorption layer is provided with strip-shaped diversion trenches;
the wrapping layer is used for wrapping the first absorption layer and the second absorption layer.
Preferably, the first absorbent layer comprises a primary absorbent region in a central region and a secondary absorbent region surrounding the primary absorbent region; wherein the secondary absorption zone is in communication with the primary absorption zone;
the lower seepage holes comprise a first lower seepage hole and a second lower seepage hole; wherein the aperture of the first infiltration hole is larger than that of the second infiltration hole;
the first infiltration holes are arranged in the main absorption area, and the second infiltration holes are arranged in the secondary absorption area.
Preferably, the aperture of the first infiltration holes is 2-12 mm, and the distribution density of the first infiltration holes in the first absorption layer is 30-150/m2；
The aperture of the second lower penetration hole is 1-8 mm, and the distribution density of the second lower penetration hole in the first absorption layer is 80-200/m2；
The lower seepage holes are at least one selected from round, square, diamond, oval, star or heart shapes.
Preferably, the lower penetration hole is a through hole; wherein the lower liquid-permeable holes allow liquid to pass through the first absorbent layer and permeate into the second absorbent layer.
Preferably, the flow-blocking grooves are transversely disposed at the rear end of the first absorbent layer; wherein the flow-blocking groove is for preventing liquid from leaking out of the dual core absorbent body.
Preferably, the flow-blocking groove is at least one selected from an arc shape, a rectangular shape, or a wave shape.
Preferably, the second absorption layer comprises a liquid absorption layer, fluffy non-woven fabrics and wet strength paper which are sequentially arranged along the vertical direction;
the liquid absorbing layer is at least one of dust-free paper, super absorbent resin or fluff pulp.
The strip-shaped diversion trench is longitudinally arranged on the second absorption layer; the strip-shaped guide groove is used for guiding liquid to seep downwards;
the number of the strip-shaped guide grooves is at least 1; wherein, the strip-shaped guide grooves are mutually parallel.
Preferably, the coating is a half-wrap or a full-wrap.
Preferably, the bottom leakage-proof layer consists of a water-repellent non-woven fabric and a PE film; at least 2 rubber bands are arranged between the water-repellent non-woven fabric and the PE film, and the rubber bands are positioned in the middle of the bottom anti-leakage layer;
the elastic waistline comprises a front waistline and a back waistline; the elastic waistline is provided with a rubber band.
Compared with the prior art, the utility model at least has the following beneficial effects:
(1) the utility model adopts a double-core structure, and the first absorption layer is provided with the lower seepage holes and the flow resisting grooves, the lower seepage holes promote the liquid to quickly seep and diffuse downwards, and the flow resisting grooves can prevent the liquid from leaking out of the double-core absorption body; meanwhile, the strip-shaped diversion trenches are arranged on the second absorption layer, so that the downward permeation and diffusion of liquid can be further promoted, and the utilization rate of the absorption body is improved;
(2) the double-core absorber has high liquid absorption speed and diffusion speed, is not easy to deform and break, and can keep the dryness of the skin-friendly surface layer;
(3) the utility model has good fit with human body, makes women comfortable and not sultry.
Drawings
FIG. 1 is a schematic view of a dual core menstrual pant provided by the present invention;
FIG. 2 is a schematic view of the absorbent layer of a main body of catamenial pants provided in accordance with the present invention;
FIG. 3 is a schematic view of the structure of a first absorbent layer in a dual core absorbent provided by the present invention;
FIG. 4 is a schematic view of the structure of a second absorbent layer in a dual core absorbent provided by the present invention;
in the figure: (1): an elastic waist band; (2): a menstrual period pant main body; 201: a skin-friendly surface layer; 202: a first absorbent layer; 203: a second absorbent layer; 204: a wrapping layer; 205: a dual core absorbent body; 206: a bottom leak-proof layer; 2021: a primary absorption zone; 2022: a secondary absorption zone; 2023: a flow-blocking groove; 2031: strip guiding gutter.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer and more complete, the technical solutions in the embodiments of the present invention will be described below with reference to the embodiments of the present invention and the accompanying drawings, it is obvious that the described embodiments are some, but not all, embodiments of the present invention, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
The utility model provides a pair of core menstrual period trousers, which comprises a menstrual period trousers main body (2), as shown in figures 1 to 4, the outer side of the menstrual period trousers main body (2) is provided with an elastic waistline (1), and the utility model is characterized in that:
the inside of the menstrual pants body (2) comprises a skin-friendly surface layer 201, a double-core absorber 205 and a bottom leakage-proof layer 206 which are sequentially arranged along the vertical direction;
the dual core absorbent 205 comprises a first absorbent layer 202, a second absorbent layer 203, and a wrapping layer 204; wherein the first absorbing layer 202 is located above the second absorbing layer 203;
the first absorption layer 202 is provided with lower seepage holes and a choke groove 2023; a strip-shaped diversion trench 2031 is arranged on the second absorption layer 203;
the wrapping layer 204 is used to wrap the first absorbent layer 202 and the second absorbent layer 203.
In the present invention, in order to improve comfort, the skin-friendly surface layer is made of one of a spun-bonded nonwoven fabric, a hot air nonwoven fabric, a spunlace nonwoven fabric, or a hydrophilic nonwoven fabric among cotton and linen fabrics, which are excellent in skin-friendly property and liquid-absorbing property.
According to some preferred embodiments, as shown in fig. 2, the first absorbent layer 202 includes a primary absorbent region 2021 in the central region and a secondary absorbent region 2022 surrounding the primary absorbent region; wherein the secondary absorbent region 2022 is in communication with the primary absorbent region 2021;
the lower seepage holes comprise a first lower seepage hole and a second lower seepage hole; wherein the aperture of the first infiltration hole is larger than that of the second infiltration hole;
the first lower penetration holes are disposed in the primary absorption region 2021, and the second lower penetration holes are disposed in the secondary absorption region 2022.
In the utility model, the first absorption layer is a foam layer, the adopted foam material is one of polyurethane, trichlorocyanamide and high-internal emulsion polymerization, and the density of the first absorption layer is 30-100 g/cm3If the density of the absorption layer is lower than the range, the absorption layer has poor liquid absorption performance, cannot achieve the purposes of quickly absorbing liquid and locking the liquid, and can generate reverse osmosis; if the density of the first absorbent layer is higher than the above range, the liquid will concentrate on the first absorbent layer and cannot permeate the second absorbent layer, thereby reducing the utilization rate of the absorbent core.
According to some preferred embodiments, the first infiltration holes have a pore diameter of 2 to 12mm (e.g., 2mm, 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, or 12mm), and the distribution density of the first infiltration holes in the first absorption layer 202 is 30 to 150 pores/m2(for example, it may be 30/m250 pieces/m270 pieces/m290 pieces/m2100 pieces/m2120 pieces/m2140 pieces/m2Or 150/m2)；
The diameter of the second lower penetration holes is 1-8 mm (for example, 1mm, 3mm, 4mm, 5mm, 6mm, 7mm or 8mm), and the distribution density of the second lower penetration holes in the first absorption layer 202 is 80-200 pieces/m2(80 pieces/m)2100 pieces/m2120 pieces/m2140 pieces/m2160 pieces/m2180 pieces/m2Or 200/m2)；
The lower seepage holes are at least one selected from round, square, diamond, oval, star or heart shapes.
It should be noted that the shape of the infiltration holes includes, but is not limited to, the above shapes; at least one is any one or mixture of any several in any proportion.
It should be noted that, in the present invention, when the infiltration holes are non-circular, the hole diameters of the infiltration holes are all non-circular inscribed circle hole diameters.
According to some preferred embodiments, the infiltration holes are through holes; wherein the lower liquid-permeable pores allow liquid to pass through the first absorbent layer 202 and permeate into the second absorbent layer 203.
In the utility model, a first lower seepage hole and a second lower seepage hole with different distribution densities and pore diameters are arranged on a first absorption layer, the pore diameter of the first lower seepage hole is larger than that of the second lower seepage hole, liquid is infiltrated into the first absorption layer from a skin-friendly surface layer, and the first lower seepage hole of a main absorption area of the first absorption layer rapidly absorbs the liquid and diffuses the liquid to the second lower seepage hole of a secondary absorption area; the utility model also arranges a flow-blocking groove at the rear end of the first absorption layer, which can ensure that liquid is absorbed in the double-core absorption body, prevent the liquid from permeating out of the double-core absorption body and avoid the liquid from leaking.
According to some preferred embodiments, as shown in fig. 2, the flow-blocking groove 2023 is disposed laterally at the rear end of the first absorbent layer 202; wherein the flow-blocking groove 2023 is used to prevent liquid from leaking out of the dual core absorbent 205.
According to some preferred embodiments, the choke groove 2023 is at least one selected from an arc, a rectangle, or a wave.
It should be noted that, in the present invention, at least one flow-blocking groove is provided at the rear end of the first absorption layer 202; and the depth of the choke grooves may or may not penetrate the first absorption layer.
According to some preferred embodiments, the second absorbent layer 203 comprises a liquid absorbent layer, a bulky nonwoven fabric and a wet strength paper which are arranged in this order along the vertical direction;
the liquid absorbing layer is at least one of dust-free paper, super absorbent resin or fluff pulp.
It should be noted that, more preferably, in the present invention, the second absorption layer is obtained by compounding the dust-free paper, the super absorbent resin, the fluffy non-woven fabric, and the wet strength paper, which are sequentially arranged along the vertical direction; meanwhile, the second absorption layer can also be dust-free paper, wet-made super absorbent resin absorbent paper, fluffy non-woven fabric and wet strength paper; dust-free paper, high water absorption resin mixed fluff pulp and fluffy non-woven fabricAnd wet strength paper. The addition amount of the high water-absorbent resin in the second absorption layer in the double-core absorber is 100-300 g/m2Wherein the liquid absorption amount of the super absorbent resin is more than or equal to 50g/g, the liquid retention amount is more than or equal to 25g/g (which is the liquid retention amount aiming at 0.9 percent of physiological saline), and when the liquid absorption layer is formed by mixing the super absorbent resin and the fluff pulp, the mass ratio of the super absorbent resin to the fluff pulp is (3-5): (0.5 to 1).
According to some preferred embodiments, the strip-shaped flow guide grooves are longitudinally arranged on the second absorption layer 203; the strip-shaped guide groove 2023 is used for guiding liquid to seep downwards;
the number of the strip-shaped diversion grooves 2031 is at least 1; wherein, the strip-shaped diversion trenches 2031 are parallel to each other.
In the prior art, a cotton core structure of a sanitary absorption article is generally made of wood pulp and high molecular resin, and the wood pulp has a diversion effect, but the dryness is poor after liquid is absorbed, and a user feels stuffy and moist after wearing the cotton core; in the utility model, the foam layer is adopted as the first absorption layer of the double-core body, the foam layer is matched with the lower seepage holes in the first absorption layer, so that liquid can be quickly absorbed and is transferred to the second absorption layer, the super absorbent resin in the second absorption layer instantly absorbs the liquid, part of the liquid which is not absorbed passes through the fluffy non-woven fabric for transfer and diffusion, and finally the liquid is further absorbed on the absorbent paper.
Because the first absorption layer adopts the foam layer and the second absorption layer adopts the fluffy non-woven fabric as the support, the double-core absorber is not easy to break and lump after absorbing liquid, and the lower seepage holes arranged in the two absorption layers are matched with the diversion trenches, so that the utilization rate of the double-core absorber can be effectively improved, the dryness of the skin-friendly surface layer of menstrual pants is greatly improved, and the comfort of a user is improved.
According to some preferred embodiments, the coating is a half-or full-wrap.
In the utility model, the wrapping layer is one of hydrophilic spun-bonded non-woven fabric or wet strength paper.
According to some preferred embodiments, the bottom leakage-proof layer 206 is composed of a water-repellent non-woven fabric and a PE film; at least 2 rubber bands are arranged between the water-repellent non-woven fabric and the PE film, and the rubber bands are positioned in the middle of the bottom anti-leakage layer 206;
the elastic waistline (1) comprises a front waistline and a back waistline; the elastic waistline is provided with a rubber band.
In the utility model, a plurality of rubber bands are longitudinally arranged in the middle of the bottom baffle of the menstrual period trousers body, so that the menstrual period trousers can be more conformable to the human body, and liquid leakage is prevented. Meanwhile, the layers are mainly bonded by hot melt adhesive or ultrasonic waves and the like.
In fig. 1 and 2 of the present invention, the structural layers are peeled off from each other in order to clearly illustrate the positional relationship between the structural layers of the present invention, and it should be understood that the structural layers of the present invention are in close and/or partial close contact with each other.
In order to more clearly illustrate the technical solutions and advantages of the present invention, the present invention is further described below with reference to the following embodiments.
Example 1
A pair of core menstrual period trousers, including the menstrual period trousers body, the outside of the said menstrual period trousers body has elastic waistlines, the inside of the menstrual period trousers body includes the skin-friendly surface layer (hot-blast non-woven fabrics), two core absorbers and bottom leak-proof layer (water repellent non-woven fabrics and PE membrane are compounded) set up sequentially along the vertical direction; the dual core absorbent comprises a first absorbent layer (high inward emulsion seed polymerized, density of 60 g/cm)3) A second absorption layer (dust-free paper, super absorbent resin, fluffy non-woven fabric and wet strength paper, wherein the addition amount of the super absorbent resin is 150g/m2Wherein the liquid absorption amount of the super absorbent resin is 50g/g, the liquid retention amount is 25g/g) and a wrapping layer (hydrophilic spun-bonded non-woven fabric); wherein the first absorbent layer is positioned above the second absorbent layer; the first absorption layer is provided with circular lower seepage holes (the aperture of the first lower seepage hole is 2mm, the aperture of the second lower seepage hole is 1mm) and arc-shaped choked flow grooves (3 grooves); the second absorption layer is provided with strip-shaped diversion trenches (5 strips); the wrapping layer wraps the first absorption layer and the second absorption layer completely; the middle of the bottom leakage-proof layer is provided withAt least five rubber bands are arranged.
Example 2
Example 1 is substantially the same as example 1 except that: first absorbent layer (polyurethane, density 80 g/cm)3) A heart-shaped lower seepage hole (the diameter of an inscribed circle in the first lower seepage hole is 5mm, the diameter of an inscribed circle in the second lower seepage hole is 2mm) and a rectangular flow-blocking groove (4 strips) are arranged on the lower seepage hole; a second absorption layer (dust-free paper, mixture of super absorbent resin and fluff pulp (ratio of 3:0.5), fluffy non-woven fabric and wet strength paper, wherein the addition amount of the super absorbent resin is 200g/m2Wherein the liquid absorption amount of the super absorbent resin is 45g/g, and the liquid retention amount is 20 g/g).
Example 3
Example 3 is essentially the same as example 1, except that: first absorbent layer (polyurethane, density 80 g/cm)3) A square lower seepage hole (the diameter of an inscribed circle of the first lower seepage hole is 8mm, the diameter of an inscribed circle of the second lower seepage hole is 4mm) and a wave-shaped flow-blocking groove (3 strips) are arranged on the lower seepage hole; a second absorption layer (dust-free paper, mixture of super absorbent resin and fluff pulp (ratio of 5:1), fluffy non-woven fabric and wet strength paper, wherein the addition amount of the super absorbent resin is 200g/m2Wherein the liquid absorption amount of the super absorbent resin is 40g/g, and the liquid retention amount is 20 g/g).
Comparative example 1
Comparative example 1 is substantially the same as example 2 except that: first absorbent layer (polyurethane, density 20 g/cm)3) The upper part is not provided with lower seepage holes and choke grooves, the second absorption layer (the ratio of the dust-free paper, the super absorbent resin and the fluff pulp is 2:5) is not provided with strip-shaped diversion grooves, fluffy non-woven fabrics and wet strength paper, wherein the addition amount of the super absorbent resin is 200g/m2Wherein the liquid absorption amount of the super absorbent resin is 45g/g, and the liquid retention amount is 20 g/g).
Comparative example 2
Comparative example 2 is substantially the same as example 1 except that the two-core absorbent was replaced with a 5-layer composite core structure of, in order, a dust-free paper, a super absorbent resin, a bulky nonwoven fabric, a super absorbent resin, and a dust-free paper, wherein the super absorbent resin was added in an amount of 150g/m2Wherein the liquid absorption amount of the super absorbent resin is 50g/g, and the liquid retention amount is 25 g/g.
The menstrual pants of examples 1 to 3 and comparative examples 1 to 2 were subjected to performance tests, and the test results are shown in table 1.
The test method comprises the following steps: taking animal blood for 2 times, each time is 5mL, the 2 times are separated by 10 minutes, and recording the time for completing each absorption as the absorption speed with the unit of s; the reverse osmosis is that after the absorption body of the menstrual period trousers absorbs the animal blood for 5 minutes each time, 10g of filter paper is pressed by a 1.2kg weight and is placed on the absorption body of the menstrual period trousers for 1 minute, and the gram weight increased by the filter paper is weighed and is expressed as g.
TABLE 1
The comparative data show that the animal blood absorption speed is high, the reverse osmosis amount is low and the dryness is good in the examples 1 to 3; after the structure of the main absorber of the menstrual pants is changed, the animal blood absorption speed in the comparative examples 1 to 2 is obviously reduced, the reverse osmosis amount is large, and the dryness is poor.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention 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 solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention. The utility model has not been described in detail and is in part known to those of skill in the art.
Claims (9)
1. The utility model provides a two-core menstrual period trousers, includes menstrual period trousers main part, the outside of menstrual period trousers main part is equipped with elastic waist, its characterized in that:
the inside of the menstrual period trousers main body comprises a skin-friendly surface layer, a double-core absorber and a bottom leakage-proof layer which are sequentially arranged along the vertical direction;
the dual core absorbent comprises a first absorbent layer, a second absorbent layer and a wrapping layer; wherein the first absorbent layer is positioned above the second absorbent layer;
the first absorption layer is provided with lower seepage holes and flow blocking grooves; the second absorption layer is provided with strip-shaped diversion trenches;
the wrapping layer is used for wrapping the first absorption layer and the second absorption layer.
2. The dual core menstrual pant of claim 1, wherein:
the first absorbent layer comprises a primary absorbent region in a central region and a secondary absorbent region surrounding the primary absorbent region; wherein the secondary absorption zone is in communication with the primary absorption zone;
the lower seepage holes comprise a first lower seepage hole and a second lower seepage hole; wherein the aperture of the first infiltration hole is larger than that of the second infiltration hole;
the first infiltration holes are arranged in the main absorption area, and the second infiltration holes are arranged in the secondary absorption area.
3. The dual core menstrual pant of claim 2, wherein:
the aperture of the first lower penetration holes is 2-12 mm, and the distribution density of the first lower penetration holes in the first absorption layer is 30-150/m2；
The aperture of the second lower penetration hole is 1-8 mm, and the distribution density of the second lower penetration hole in the first absorption layer is 80-200/m2；
The lower seepage holes are at least one selected from round, square, diamond, oval, star or heart shapes.
4. The dual core menstrual pant of claim 1, wherein:
the lower seepage holes are through holes; wherein the lower liquid-permeable holes allow liquid to pass through the first absorbent layer and permeate into the second absorbent layer.
5. The dual core menstrual pant of claim 1, wherein:
the flow resisting grooves are transversely arranged at the rear end of the first absorption layer; wherein the flow-blocking groove is for preventing liquid from leaking out of the dual core absorbent body.
6. The dual core menstrual pant of claim 1, wherein:
the flow-blocking groove is at least one selected from arc, rectangle or wave.
7. The dual core menstrual pant of claim 1, wherein;
the strip-shaped diversion trench is longitudinally arranged on the second absorption layer; the strip-shaped guide groove is used for guiding liquid to seep downwards;
the number of the strip-shaped guide grooves is at least 1; wherein, the strip-shaped guide grooves are mutually parallel.
8. The dual core menstrual pant of claim 1, wherein;
the coating is semi-coating or full coating.
9. The dual core menstrual pant of any one of claims 1-8, wherein;
the bottom leakage-proof layer consists of a water-repellent non-woven fabric and a PE film; at least 2 rubber bands are arranged between the water-repellent non-woven fabric and the PE film, and the rubber bands are positioned in the middle of the bottom anti-leakage layer;
the elastic waistline comprises a front waistline and a back waistline; the elastic waistline is provided with a rubber band.
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| CN202122621764.0U CN216365570U (en) | 2021-10-29 | 2021-10-29 | Double-core menstrual period trousers |
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| CN202122621764.0U CN216365570U (en) | 2021-10-29 | 2021-10-29 | Double-core menstrual period trousers |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116831822A (en) * | 2023-07-31 | 2023-10-03 | 诺宸股份有限公司 | Absorbent article and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116831822A (en) * | 2023-07-31 | 2023-10-03 | 诺宸股份有限公司 | Absorbent article and preparation method thereof |
| CN116831822B (en) * | 2023-07-31 | 2024-02-09 | 诺宸股份有限公司 | Absorbent article and preparation method thereof |
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