CN219021943U - Novel absorption article core and absorption article with novel structure - Google Patents
Novel absorption article core and absorption article with novel structure Download PDFInfo
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- CN219021943U CN219021943U CN202223481283.5U CN202223481283U CN219021943U CN 219021943 U CN219021943 U CN 219021943U CN 202223481283 U CN202223481283 U CN 202223481283U CN 219021943 U CN219021943 U CN 219021943U
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Abstract
The utility model provides an absorbent article core with a novel structure and an absorbent article, wherein the absorbent article core sequentially comprises an upper coating layer, an absorbent core and a lower coating layer from top to bottom; the absorbent core comprises an outer absorbent core and an inner absorbent core embedded in the middle of the outer absorbent core; the inner absorbent core comprises a water-absorbent foam cotton core and a fluff pulp core or a fluff pulp and super absorbent resin mixed core which is embedded in the middle of the water-absorbent foam cotton core; the water-absorbing foam cotton core is internally provided with a plurality of through holes penetrating through the upper surface and the lower surface of the water-absorbing foam cotton core. The inner absorption core of the novel structure of the absorbent article core has the characteristics of high absorption speed and good flow guiding effect, and the outer absorption core has the characteristics of ultra-thin, ventilation and good absorbability; the absorbent article core body with the structure has the characteristics of good absorption effect, softness, comfort, ventilation and dryness, and meets the development requirements of the existing market.
Description
Technical Field
The utility model relates to the technical field of sanitary nursing products, in particular to an absorbent product core body with a novel structure and an absorbent product.
Background
At present, most of absorbent article cores sold in the market are made of fluff pulp and SAP (super absorbent polymer) or are made of absorbent paper, SAP and fluff pulp by compounding to be used as an absorbent core, and the absorbent article has the characteristics of thicker product, harder handfeel, poor air permeability, poor wearing comfort, slower speed of absorbing body fluid or poor dryness and the like. With the improvement of the life quality of people, the original absorbent article core and absorbent articles can not meet the demands of people, and modern people need drier, breathable and comfortable products.
Disclosure of Invention
In order to solve one or more technical problems of the prior absorbent article core, the utility model provides an absorbent article core with a novel structure and an absorbent article. The inner absorption core of the novel structure of the absorbent article core has the characteristics of high absorption speed and good flow guiding effect, and the outer absorption core has the characteristics of ultra-thin, ventilation and good absorbability; the absorbent article core body with the structure has the characteristics of good absorption effect, softness, comfort, ventilation and dryness.
The utility model provides an absorbent article core with a novel structure in a first aspect, wherein the absorbent article core sequentially comprises an upper coating layer, an absorbent core and a lower coating layer from top to bottom; the absorbent core comprises an outer absorbent core and an inner absorbent core embedded in the middle of the outer absorbent core; the inner absorbent core comprises a water-absorbent foam cotton core and a fluff pulp core or a fluff pulp and super absorbent resin mixed core which is embedded in the middle of the water-absorbent foam cotton core; the water-absorbing foam cotton core is internally provided with a plurality of through holes penetrating through the upper surface and the lower surface of the water-absorbing foam cotton core.
Preferably, the outer absorbent core is a multi-layer absorbent paper or composite core; each layer of absorbent paper is provided with a plurality of strip-shaped folds arranged along the length direction; the positions of the strip-shaped folds arranged in the upper and lower adjacent layers of absorbent paper are staggered.
Preferably, the fluff pulp core or the fluff pulp and high water absorption resin mixed core is in a cylinder shape, and the diameter of the fluff pulp core or the fluff pulp and high water absorption resin mixed core is 5-25 mm.
Preferably, the length of the outer absorbent core is 120 mm-470 mm and the width is 60 mm-150 mm; the length of the inner absorbent core is 50-200 mm, and the width is 30-100 mm; and/or the inner absorbent core has a rectangular, drop-shaped, oval or circular cross-sectional shape.
Preferably, the absorbent article core further comprises tail fins arranged on both sides of the tail of the outer absorbent core.
Preferably, the upper coating layer and/or the lower coating layer is/are water absorbing paper, wet strength paper, dust free paper or non-woven fabric.
Preferably, the aperture of the through holes is 0.5-1.5 mm, and the interval distance between two adjacent through holes is 0.5-1.5 mm.
In a second aspect, the present utility model provides an absorbent article comprising, from top to bottom, a topsheet, a baffle, an absorbent article core of the novel construction of the first aspect of the present utility model, and a backsheet.
Preferably, the bottom film layer is a breathable PE bottom film layer.
The utility model has at least the following beneficial effects:
(1) The absorbent article core with the novel structure comprises the inner absorbent core which adopts the absorbent foam cotton core with the through holes and the fluff pulp core embedded in the absorbent foam cotton core or the fluff pulp and super absorbent resin mixed core which are mutually matched, is favorable for liquid infiltration, has the characteristics of high absorption speed and good flow guiding effect, and can obviously reduce reverse osmosis of the main area, namely the middle area, of the absorbent article core due to the strong water locking capability of the absorbent foam cotton core, and improves the dryness of the absorbent article core; the outer absorbent core has the characteristics of ultra-thin, air permeability and good absorbability; the absorbent article core body with the structure has the characteristics of good absorption effect, softness, comfort, ventilation and dryness, improves the absorption speed of the absorbent article core body to body fluid, simultaneously makes the absorbent article thinner, softer, drier, more comfortable to wear, larger in absorption amount and lower in cost, and meets the development requirement of the existing market.
(2) The absorbent article core can integrate the advantages of the super absorbent resin absorbent paper SAPP and fluff pulp manufactured by a wet method, but fluff pulp is only added in the middle position, and compared with the absorbent core mixed by fluff pulp and super absorbent resin, the absorbent article core has the characteristics of ultrathin softness, high absorption speed, good dryness and strong air permeability.
(3) In some preferred embodiments of the present utility model, the outer absorbent core is a multi-layer absorbent paper, each layer of absorbent paper has a plurality of strip-shaped folds arranged along the length direction, the positions of the strip-shaped folds arranged in the upper and lower adjacent layers of absorbent paper are staggered, and the arrangement of the strip-shaped folds can make the absorbent article core body in a fluffy state as a whole, increase the fluffy degree, further improve the air permeability and softness of the absorbent article core body, and improve the comfort level of wearing of users; in addition, a flow guide structure is formed between the two strip-shaped folds, so that the absorption speed of the absorbent article core body can be improved; in addition, the arrangement of the strip-shaped folds can also effectively prevent the lateral diffusion of the absorbed liquid, so that the lateral diffusion of the absorbent article core is small, the liquid can be effectively blocked and diffused to two sides, and the lateral leakage is prevented.
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 front view of a novel construction absorbent article core in accordance with some embodiments of the present utility model.
Figure 2 is a schematic cross-sectional view of a novel construction absorbent article core in accordance with some embodiments of the present utility model.
Fig. 3 is a schematic view of an interlaminar structure of a multi-layered absorbent paper included in an outer absorbent core in some embodiments of the utility model.
FIG. 4 is a schematic cross-sectional view of an absorbent article in some embodiments of the present utility model.
In the figure: 1: an absorbent article core of novel construction; 11: an outer absorbent core; 111: a water absorbing paper; 1111: strip-shaped folds; 12: an inner absorbent core; 121: a water-absorbing foam cotton core; 1211: a through hole; 122: a fluff pulp core; 13: a tail wing; 14: an upper cladding layer; 15: a lower cladding layer; 2: a surface layer; 3: a flow guiding layer; 4: and a bottom film layer.
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 in a first aspect an absorbent article core of a novel construction, for example, as shown in fig. 1-3, fig. 1 being a schematic front structural view of an absorbent article core of a novel construction in some embodiments of the present utility model; FIG. 2 is a schematic cross-sectional structural view of a novel construction absorbent article core in accordance with some embodiments of the present utility model; fig. 3 is a schematic view of an interlaminar structure of a multi-layered absorbent paper included in an outer absorbent core in some embodiments of the utility model.
The present utility model provides in a first aspect an absorbent article core 1 (abbreviated as absorbent article core) of a novel structure, for example, as shown in fig. 1 and 2, comprising an upper cladding layer 14, an absorbent core and a lower cladding layer 15 in this order from top to bottom; in the present utility model, the upper cladding layer 14 and the lower cladding layer 15 sandwich the absorbent core from the upper and lower directions, and serve to fix the absorbent core; the absorbent core includes an outer absorbent core 11 and an inner absorbent core 12 embedded in an intermediate position (central position) of the outer absorbent core 11; in the present utility model, the inner absorbent core 12 is embedded in the middle of the outer absorbent core 11; the inner absorbent core 12 includes a absorbent foam cotton core 121 and a fluff pulp core 122 or a fluff pulp and superabsorbent resin mixed core embedded in the middle position (central position) of the absorbent foam cotton core 121; in the utility model, the fluff pulp core adopts fluff pulp, and the fluff pulp and super absorbent resin mixed core is formed by mixing the fluff pulp and super absorbent resin which are known in the prior art; in the present utility model, the absorbent foam core 121 may be, for example, polyurethane foam, and when the material used is polyurethane foam, the absorbent foam core 121 is also referred to as polyurethane foam core; the absorbent foam cotton core 121 is provided therein with a plurality of through holes 1211 penetrating the upper and lower surfaces of the absorbent foam cotton core 121, the through holes being vertically and vertically provided in the absorbent foam cotton core; in the present utility model, "a plurality of" means two or more, the shape, number and size of the through holes are not particularly limited, and those skilled in the art can set the through holes according to the needs; preferably, a plurality of through holes are uniformly distributed in the absorbent foam cotton core, and the through holes can be, for example, circular through holes, square through holes or oval through holes, and are preferably circular through holes.
The absorbent article core with the novel structure comprises the inner absorbent core which adopts the absorbent foam cotton core with the through holes and the fluff pulp core embedded in the absorbent foam cotton core or the fluff pulp and super absorbent resin mixed core which are mutually matched, is favorable for liquid infiltration, has the characteristics of high absorption speed and good flow guiding effect, and can obviously reduce reverse osmosis of the main area, namely the middle area, of the absorbent article core due to the strong water locking capability of the absorbent foam cotton core, and improves the dryness of the absorbent article core; the outer absorbent core has the characteristics of ultra-thin, air permeability and good absorbability; the absorbent article core body with the structure has the characteristics of good absorption effect, softness, comfort, ventilation and dryness, improves the absorption speed of the absorbent article core body to body fluid, simultaneously makes the absorbent article thinner, softer, drier, more comfortable to wear, larger in absorption amount and lower in cost, and meets the development requirement of the existing market. The absorbent article core can integrate the advantages of the super absorbent resin absorbent paper SAPP and fluff pulp manufactured by a wet method, but fluff pulp is only added in the middle position, and compared with the absorbent core mixed by fluff pulp and super absorbent resin, the absorbent article core has the characteristics of ultrathin softness, high absorption speed, good dryness and strong air permeability.
According to some preferred embodiments, the outer absorbent core 11 is a multi-layered absorbent paper 111 or a composite core; in the present utility model, "multi-layer" means two or more layers; in the present utility model, the outer absorbent core 11 may be, for example, 2 to 5 layers of absorbent paper 111 bonded together; for example, as shown in fig. 3, each layer of absorbent paper 111 has a plurality of strip-shaped wrinkles 1111 provided in the longitudinal direction, the strip-shaped wrinkles being upward strip-shaped wrinkles; the positions of the strip-shaped wrinkles 1111 in the upper and lower adjacent two layers of absorbent paper 111 are staggered, namely, in the upper and lower adjacent two layers of absorbent paper 111, the position of the strip-shaped wrinkles 1111 in the upper layer of absorbent paper 111 is not provided with the strip-shaped wrinkles 1111 in the corresponding position of the lower layer of absorbent paper 111, the position of the strip-shaped wrinkles 1111 in the upper layer of absorbent paper 111 is not provided with the strip-shaped wrinkles 1111, and the position of the strip-shaped wrinkles 1111 in the corresponding position of the lower layer of absorbent paper 111 is provided with the strip-shaped wrinkles 1111; the number and the size of the strip-shaped folds arranged on each layer of the absorbent paper are not particularly limited, and a person skilled in the art can design the absorbent paper according to the requirements, and preferably 6-15 strip-shaped folds are uniformly arranged in each layer of the absorbent paper, and the height of the strip-shaped folds can be 0.05-0.5 mm, for example.
In the utility model, the outer absorbent core is preferably multi-layer absorbent paper, each layer of absorbent paper is provided with a plurality of strip-shaped folds arranged along the length direction, the positions of the strip-shaped folds arranged in the upper and lower adjacent layers of absorbent paper are staggered, and the arrangement of the strip-shaped folds can lead the whole absorbent article core to be in a fluffy state, increase the fluffy degree, further improve the air permeability and the softness of the absorbent article core and improve the comfort level of wearing of a user; in addition, a flow guide structure is formed between the two strip-shaped folds, so that the absorption speed of the absorbent article core body can be improved; in addition, the arrangement of the strip-shaped folds can also effectively prevent the lateral diffusion of the absorbed liquid, so that the lateral diffusion of the absorbent article core is small, the liquid can be effectively blocked and diffused to two sides, and the lateral leakage is prevented.
According to some preferred embodiments, the fluff pulp core 122 or the fluff pulp and superabsorbent resin mixed core is cylindrical, and the diameter of the fluff pulp core 122 or the fluff pulp and superabsorbent resin mixed core is 5 to 25mm.
According to some preferred embodiments, the outer absorbent core 11 has a length of 120mm to 470mm and a width of 60mm to 150mm; the length of the inner absorbent core 12 is 50 mm-200 mm, and the width is 30 mm-100 mm; and/or the inner absorbent core 12 may have a rectangular, drop-shaped, oval or circular cross-sectional shape.
According to some preferred embodiments, the absorbent article core 1 further comprises tail fins 13 arranged on both sides of the tail of the outer absorbent core 11; the shape and the size of the tail wing are not particularly limited, and can be designed according to the needs of the person skilled in the art; preferably, the tail 13 is made of the same material as the outer absorbent core 11, and even in the process of forming the outer absorbent core, the material of the missing part of the outer absorbent core can be used for forming the tail, so that raw materials are saved, and the production cost of the absorbent article core is reduced; the utility model is not particularly limited to the formation of the absorbent article core, and may be, for example: cutting the outer absorbent core through equipment, cutting the part corresponding to the inner absorbent core, compounding the cut outer absorbent core with the lower cladding layer, filling the missing part in the middle of the outer absorbent core with the inner absorbent core, dividing and displacing the cut part of the outer absorbent core to form the tail part of the absorbent article core, compounding the tail part with the upper cladding layer, and cutting the tail part into the finished product shape of the core.
According to some preferred embodiments, the upper coating layer 14 and/or the lower coating layer 15 is a water absorbent paper, a wet strength paper, a dust free paper or a non-woven fabric.
In the utility model, the absorbent paper is preferably wet-process super absorbent resin absorbent paper, and the wet-process super absorbent resin absorbent paper is formed by uniformly distributing super absorbent resin between two raw paper layers through the existing wet-process papermaking process; in the present utility model, the wet-process super absorbent resin absorbent paper may have a grammage of, for example, 50 to 150g/m 2 。
According to some preferred embodiments, the through holes 1211 have a pore diameter of 0.5 to 1.5mm, and the interval distance between two adjacent through holes 1211 is 0.5 to 1.5mm.
In a second aspect, the present utility model provides an absorbent article, for example, as shown in fig. 4, comprising, from top to bottom, a facing layer 2, a baffle layer 3, an absorbent article core 1 of the novel structure of the first aspect of the present utility model, and a carrier film layer 4; the surface layer, the flow guiding layer and the bottom film layer are not particularly limited, and conventional designs in the field can be adopted.
According to some preferred embodiments, the bottom film layer 4 is a breathable PE bottom film layer.
According to some specific embodiments, the absorbent article comprises a top layer 2 (hot air top layer), a diversion layer 3 (hot air diversion layer), the absorbent article core 1 with the novel structure according to the first aspect of the present utility model, and a bottom film layer 4 from top to bottom; the bottom film layer 4 is a breathable PE bottom film layer; the absorbent article core comprises an upper cladding layer 14, an absorbent core body and a lower cladding layer 15 from top to bottom; the absorbent core comprises an outer absorbent core 11, an inner absorbent core 12 and tail wings 13, wherein the tail wings 13 are arranged at two sides of the tail part of the outer absorbent core 11; the inner absorbent core 12 is embedded in the middle of the outer absorbent core 11; the inner absorbent core 12 comprises a water absorbent foam cotton core 121 and a fluff pulp and super absorbent resin mixed core embedded in the middle position of the water absorbent foam cotton core 121; the absorbent foam core 121 is provided therein with a plurality of through holes 1211 penetrating the upper and lower surfaces of the absorbent foam core 121; the upper cladding layer 14 is a single layer with a gram weight of 60g/m 2 Is made into super absorbent resin absorbent paper by wet methodThe outer absorbent core 11 has a two-layer grammage of 80g/m 2 The lower coating layer 15 is a single layer with a gram weight of 60g/m 2 Is used for producing super absorbent resin absorbent paper by wet method.
According to some specific embodiments, the absorbent article comprises a top layer 2 (hot air top layer), a diversion layer 3 (hot air diversion layer), the absorbent article core 1 with the novel structure according to the first aspect of the present utility model, and a bottom film layer 4 from top to bottom; the bottom film layer 4 is a breathable PE bottom film layer; the absorbent article core 1 comprises an upper cladding layer 14, an absorbent core and a lower cladding layer 15 from top to bottom; the absorbent core comprises an outer absorbent core 11, an inner absorbent core 12 and tail wings 13, wherein the tail wings 13 are arranged at two sides of the tail part of the outer absorbent core 11; the inner absorbent core 12 is embedded in the middle of the outer absorbent core 11; the inner absorbent core 12 comprises a water absorbent foam cotton core 121 and a fluff pulp and super absorbent resin mixed core embedded in the middle position of the water absorbent foam cotton core 121; the absorbent foam core 121 is provided therein with a plurality of through holes 1211 penetrating the upper and lower surfaces of the absorbent foam core 121; the upper coating layer 14 is wet-strength paper, the outer absorbent core 11 is three layers with the gram weight of 80g/m 2 The lower coating layer 15 is wet strength paper.
According to some specific embodiments, the absorbent article comprises a top layer 2 (hot air top layer), a diversion layer 3 (hot air diversion layer), the absorbent article core 1 with the novel structure according to the first aspect of the present utility model, and a bottom film layer 4 from top to bottom; the bottom film layer 4 is a breathable PE bottom film layer; the absorbent article core 1 comprises an upper cladding layer 14, an absorbent core and a lower cladding layer 15 from top to bottom; the absorbent core comprises an outer absorbent core 11, an inner absorbent core 12 and tail wings 13, wherein the tail wings 13 are arranged at two sides of the tail part of the outer absorbent core 11; the inner absorbent core 12 is embedded in the middle of the outer absorbent core 11; the inner absorbent core 12 includes a water absorbent foam core 121 (polyurethane foam core) and a fluff pulp and super absorbent resin mixed core embedded in the middle of the water absorbent foam core 121; the absorbent foam core 121 is provided therein with a plurality of through holes 1211 penetrating the upper and lower surfaces of the absorbent foam core 121; the upper cladding layer14 is a monolayer having a grammage of 60g/m 2 The outer absorbent core 11 is three layers of high absorbent resin absorbent paper with gram weight of 80g/m 2 The lower coating layer 15 is a single layer with a gram weight of 60g/m 2 Is used for manufacturing super absorbent resin absorbent paper by a wet method; in the outer absorbent core 11, each layer of wet-process super absorbent resin absorbent paper has a plurality of strip-shaped wrinkles arranged in the length direction; the positions of the strip-shaped folds in the upper and lower adjacent layers of wet-process super absorbent resin absorbent paper are staggered.
In particular, in the present utility model, the absorbent article core and the absorbent article comprising the layers of the novel structure may be bonded together, for example, by means of a glue-sprayed layer, i.e. by means of a hot melt adhesive, the layer-to-layer release state being shown merely for clarity in the figure. 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 (10)
1. An absorbent article core of novel structure which characterized in that:
the absorbent article core body sequentially comprises an upper coating layer, an absorbent core body and a lower coating layer from top to bottom;
the absorbent core comprises an outer absorbent core and an inner absorbent core embedded in the middle of the outer absorbent core;
the inner absorbent core comprises a water-absorbent foam cotton core and a fluff pulp core or a fluff pulp and super absorbent resin mixed core which is embedded in the middle of the water-absorbent foam cotton core;
the water-absorbing foam cotton core is internally provided with a plurality of through holes penetrating through the upper surface and the lower surface of the water-absorbing foam cotton core.
2. The absorbent article core of claim 1, wherein:
the outer absorbent core is a multi-layer absorbent paper or a composite core body;
each layer of absorbent paper is provided with a plurality of strip-shaped folds arranged along the length direction;
the positions of the strip-shaped folds arranged in the upper and lower adjacent layers of absorbent paper are staggered.
3. The absorbent article core of claim 2, wherein:
the fluff pulp core or the fluff pulp and high water absorption resin mixed core is cylindrical, and the diameter of the fluff pulp core or the fluff pulp and high water absorption resin mixed core is 5-25 mm.
4. The absorbent article core of claim 1, wherein:
the length of the outer absorbent core is 120-470 mm, and the width is 60-150 mm; and/or
The length of the inner absorbent core is 50 mm-200 mm, and the width is 30 mm-100 mm.
5. The absorbent article core of claim 1, wherein:
the cross-sectional shape of the inner absorbent core is rectangular, drop-shaped, oval or circular.
6. The absorbent article core of claim 1, wherein:
the absorbent article core further comprises tail fins arranged on two sides of the tail of the outer absorbent core.
7. The absorbent article core of claim 1, wherein:
the upper coating layer and/or the lower coating layer is/are water absorbing paper, wet strength paper, dust-free paper or non-woven fabric.
8. The absorbent article core of claim 1, wherein:
the aperture of the through holes is 0.5-1.5 mm, and the interval distance between two adjacent through holes is 0.5-1.5 mm.
9. An absorbent article comprising, from top to bottom, a facing layer, a baffle layer, an absorbent article core of novel construction according to any one of claims 1 to 8, and a carrier film layer.
10. The absorbent article of claim 9, wherein:
the bottom film layer is a breathable PE bottom film layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223481283.5U CN219021943U (en) | 2022-12-26 | 2022-12-26 | Novel absorption article core and absorption article with novel structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223481283.5U CN219021943U (en) | 2022-12-26 | 2022-12-26 | Novel absorption article core and absorption article with novel structure |
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| Publication Number | Publication Date |
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| CN219021943U true CN219021943U (en) | 2023-05-16 |
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| CN202223481283.5U Active CN219021943U (en) | 2022-12-26 | 2022-12-26 | Novel absorption article core and absorption article with novel structure |
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| CN (1) | CN219021943U (en) |
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