Super-absorption hygienic product

Abstract

The utility model discloses a superabsorbent hygienic product which comprises a three-dimensional enclosure, a surface layer non-woven fabric, a diversion layer, an absorption layer, a bottom film layer and a release paper layer which are sequentially arranged from top to bottom, the three-dimensional enclosure is glued with the surface layer non-woven fabric, and the surface layer non-woven fabric, the diversion layer and the absorption layer are in press fit. A plurality of concave points with the longitudinal sections being wide at the upper part and narrow at the lower part are formed on the surface layer of the pressed integral structure, the bottom film layer and the release paper layer are sequentially glued at the lower end of the integral structure, and the hygienic product is formed through peripheral sealing, compaction, secondary compaction and slitting. The superabsorbent hygienic product is simple in structure and reasonable in design, can be produced by a common hygienic product machine table, and has the advantages of being large in absorption amount, good in infiltration and reverse infiltration, accurate in absorption, conforming to the female physiological structure and the like.

Description

Technical Field

[0001] The utility model relates to the field of disposable sanitary products, in particular to a superabsorbent sanitary product. Background Art

[0002] Incontinence products account for a large market share in sanitary products. As the name implies, incontinence products are used to absorb human urine, feces, etc. In addition to being able to absorb and dry instantly, these products also hope to be able to remove odors and inhibit bacteria, thereby protecting the skin contaminated by incontinence. Existing designs usually add some odor-absorbing SAPs, but this can only absorb some of the odor components in urine, such as NH3. In fact, after urine is decomposed and fermented by bacteria, it will also produce acetic acid, methyl mercaptan, indole, hydrogen sulfide and other odors. SAP cannot absorb all odors well. There are also some designs that add fragrances to cover up the odor, but not everyone can accept the mixed smell.

[0003] Of course, the main performance pursued by incontinence sanitary products is instantaneous absorption and dryness. Because incontinence products are mostly used for a long time, it is more important to keep the skin dry. The product structure of sanitary products is limited by the production capacity of the machine and basically cannot change much. Most of them still provide comfort through the surface material and diffuse the liquid through the diversion layer. Therefore, the characteristics of the material and the structural design have a very important impact on the overall performance of the product. Utility Model Content

[0004] In order to overcome the above-mentioned shortcomings, the utility model provides a super absorbent sanitary product. The utility model manufactures a super absorbent sanitary product with large absorption capacity, good infiltration and re-infiltration, and precise absorption by reasonably matching materials and structures.

[0005] The technical solution adopted by the utility model to solve its technical problems is:

[0006] Superabsorbent sanitary products, including top-down arrangements

[0007] Three-dimensional protective covering, surface non-woven fabric, guide layer, absorption layer, bottom film layer, release paper layer;

[0008] The three-dimensional protective enclosure is glued to the surface non-woven fabric;

[0009] The surface nonwoven fabric, the guide layer and the absorbent layer are laminated together, and a plurality of concave points with a wide top and a narrow bottom in the longitudinal section are formed on the surface of the integral structure after lamination;

[0010] The base film layer and the release paper layer are glued to the lower end of the overall structure in sequence;

[0011] The overall structure is glued to the base film layer and the release paper layer in sequence, and then the hygienic product is formed by peripheral sealing, compaction, secondary compaction and cutting.

[0012] As an improvement of the above technical solution, the concave point is an inverted trapezoidal concave point;

[0013] The concave points are distributed at the front end and the rear end of the structure surface layer, respectively forming elliptical concave point distribution areas.

[0014] As an improvement of the above technical solution, the three-dimensional guard is made of SMS non-woven fabric wrapped with elastic band, wherein the basis weight of the SMS non-woven fabric is 13-25gsm.

[0015] Specifically, after the SMS non-woven fabric is cut, elastic bands are added, and the elastic band glue is sprayed on the edges and then glued to the surface non-woven fabric.

[0016] As an improvement of the above technical solution, the surface non-woven fabric is selected from any one of hot air non-woven fabric, eccentric fiber non-woven fabric, and spunbond non-woven fabric.

[0017] As an improvement of the above technical solution, the guide layer is made of any one of hot air non-woven fabric and hot rolled non-woven fabric.

[0018] As an improvement of the above technical solution, the absorption layer includes an upper layer of toilet paper, an absorption material layer, and a lower layer of toilet paper;

[0019] The absorbent material layer is made of wood pulp and SAP polymer material;

[0020] The upper toilet paper layer and the lower toilet paper layer wrap the absorbent material layer therebetween and are glued and compacted to form an absorbent layer.

[0021] As an improvement of the above technical solution, the upper toilet paper layer and the lower toilet paper layer are made of breathable toilet paper with a grammage range of 10-20gsm.

[0022] As an improvement of the above technical solution, the bottom film layer is a breathable bottom film with a basis weight ranging from 15-35gsm.

[0023] The manufacturing process of the superabsorbent sanitary product of the utility model comprises the following steps:

[0024] The lower layer of toilet paper is sprayed with glue and spread flat, the crushed wood pulp and SAP polymer material are fully mixed, and then evenly spread on the lower layer of toilet paper, and the upper layer of toilet paper is sprayed with glue and added to wrap the absorption material layer composed of wood pulp and SAP polymer material, and the absorption layer is made by compacting and cutting;

[0025] After the SMS non-woven fabric is cut, rubber bands are added, and the rubber band glue is sprayed on the edges, and then the SMS non-woven fabric is glued to the surface non-woven fabric on both sides, and then the SMS non-woven fabric is glued to the guide layer by spraying glue, and then the SMS non-woven fabric and the guide layer are passed through a concave roller together with the absorbent layer, so that the surface non-woven fabric and the guide layer are pressed as a whole surface layer to form a plurality of concave point structures with a wide top and a narrow bottom, and form an integral structure with the absorbent layer;

[0026] The upper layer of the base film is sprayed with glue and glued to the overall structure, and then passed through the peripheral sealing roller and the compacting roller, and then the release paper is scraped with the backing glue and added, and passed through the second compacting roller, and then the product shape is cut out by the external cutting knife roller, and the product is folded and enters the product packaging section.

[0027] Beneficial effects brought by the utility model:

[0028] The utility model has the advantages of simple structure and reasonable design and can be produced by a general sanitary product machine.

[0029] The utility model sets inverted trapezoidal concave points in multiple specific areas on the surface of the product, which can allow the liquid to be closer to the absorption layer, so as to achieve rapid absorption. Among them, the elliptical concave point area design at the front end of the product is designed according to the characteristics of the female physiological structure. The urine leakage position is basically located in this area. By designing the inverted trapezoidal concave points, the liquid can quickly contact the absorption core and be absorbed accurately and quickly; the elliptical concave point area design at the rear end of the product is specially designed for the diffusion of liquid when the amount is large and the body is in the supine position, so that when the liquid reaches the tail, it can also achieve regional accurate absorption to prevent leakage.

[0030] In general, this super absorbent sanitary product has the advantages of large absorption capacity, good infiltration and return infiltration, precise absorption, and conformity to the physiological structure of women.

[0031] In addition, a carbon fiber core (including a non-woven fabric upper layer, a carbon fiber layer, and a non-woven fabric lower layer, the carbon fiber layer being made of carbon fiber material or carbon fiber material and wood pulp; the carbon fiber material or carbon fiber material and wood pulp are crushed and defibrated and then evenly laid between the non-woven fabric upper layer and the non-woven fabric lower layer; the non-woven fabric upper layer, the carbon fiber layer, and the non-woven fabric lower layer are glued by a spiral or spraying gluing process) can be selectively added to the present super absorbent sanitary product and its production process. The carbon fiber core is the functional part of the product for antibacterial and deodorizing, and can be selected based on product performance requirements. While achieving the super absorbent function, it also adds antibacterial and deodorizing functions to the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] The utility model is further described below in conjunction with the accompanying drawings and specific embodiments.

[0033] Figure 1 This is a schematic diagram of a partial cross-sectional structure of a superabsorbent sanitary product described in Example 1;

[0034] Figure 2The utility model is a schematic diagram of the structure of a product example of a superabsorbent sanitary product.

[0035] Numbers in the figure:

[0036] 1-three-dimensional protective enclosure, 2-surface non-woven fabric, 3-flow guide layer, 4-pits, 5-absorption layer, 6-base film layer, 7-release paper layer. DETAILED DESCRIPTION

[0037] The following will be combined with the embodiments of the utility model and the accompanying drawings to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0038] Example 1

[0039] Reference Figure 1 , super absorbent sanitary products, including arranged from top to bottom

[0040] Three-dimensional protective enclosure 1, surface non-woven fabric 2, guide layer 3, absorption layer 5, bottom film layer 6, release paper layer 7;

[0041] The three-dimensional protective enclosure 1 is glued to the surface non-woven fabric 2;

[0042] The surface nonwoven fabric 2, the guide layer 3 and the absorbent layer 5 are pressed together, and a plurality of concave points 4 with a wide top and a narrow bottom are formed on the surface of the overall structure after pressing;

[0043] The base film layer 6 and the release paper layer 7 are glued to the lower end of the overall structure in sequence;

[0044] The overall structure is glued to the bottom film layer 6 and the release paper layer 7 in sequence and then successively undergoes peripheral sealing, compaction, secondary compaction, and slitting to form Figure 2 Hygiene products shown.

[0045] As a preferred solution of the above embodiment, the concave point 4 is a concave point 4 with an inverted trapezoidal longitudinal section; for example, the concave point 4 may be in the form of an inverted truncated cone or an inverted truncated cone with an inverted trapezoidal longitudinal section. Of course, the style of the concave point 4 is not limited thereto, and any structural style with a longitudinal section that is wide at the top and narrow at the bottom can be applied to this embodiment.

[0046] Further reference Figure 2 The concave points 4 are distributed at the front end and the rear end of the surface layer of the structure, forming elliptical concave point distribution areas respectively.

[0047] Regarding the specific distribution form of the above-mentioned concave point distribution area:

[0048] Preferably, 10 concave points 4 are evenly distributed in the front elliptical area, 16 concave points 4 are evenly distributed in the rear elliptical area, and the edges of the two elliptical areas are also composed of concave points 4. Figure 2 The angle shown is used as the standard. The distance between the lower edge of the front elliptical area and the upper edge of the rear elliptical area is 20mm-30mm. The distance between the upper edge of the front elliptical area and the front end of the product is 35mm-70mm. The distance between the lower edge of the rear elliptical area and the rear end of the product is 50mm-70mm. Each parameter is slightly adjusted based on the overall length of the product. The area of ​​the front elliptical area is smaller than that of the rear elliptical area. The two elliptical areas are distributed in the center of the product, so that the liquid can quickly contact the absorbent core and achieve accurate and rapid absorption in the leakage area.

[0049] As an improvement of the above embodiment, the three-dimensional guard 1 is made of SMS non-woven fabric wrapped with elastic band, wherein the basis weight of the SMS non-woven fabric is 13-25 gsm.

[0050] Specifically, after the SMS non-woven fabric is cut, elastic bands are added, and elastic band glue is sprayed to make them bonded, and the edges are folded and glued to the surface non-woven fabric 2 .

[0051] As an improvement of the above embodiment, the surface non-woven fabric 2 is selected from any one of hot air non-woven fabric, eccentric fiber non-woven fabric, and spunbond non-woven fabric; the guide layer 3 is selected from any one of hot air non-woven fabric and hot-rolled non-woven fabric.

[0052] As a preferred embodiment of the above embodiment, the absorption layer 5 includes an upper layer of toilet paper, an absorption material layer, and a lower layer of toilet paper;

[0053] The absorbent material layer is made of wood pulp and SAP polymer material, wherein wood pulp is the main component and main body of the absorbent material layer, and mainly plays the role of liquid absorption. The upper layer of toilet paper and the lower layer of toilet paper wrap the absorbent material layer therebetween and form the absorbent layer 5 through gluing and compacting.

[0054] Specifically, the upper toilet paper layer and the lower toilet paper layer are made of breathable toilet paper with a grammage range of 10-20gsm.

[0055] As an improvement to the above embodiment, the bottom film layer 6 is a breathable bottom film with a basis weight ranging from 15 to 35 gsm.

[0056] Example 2

[0057] The manufacturing process of superabsorbent sanitary products comprises the following steps:

[0058] The lower layer of toilet paper is sprayed with glue and spread flat, and the crushed wood pulp and SAP polymer material are fully mixed (the mixing ratio is adjusted according to the product absorption index), and then evenly spread on the lower layer of toilet paper. The upper layer of toilet paper is sprayed with glue and added to wrap the absorption material layer composed of wood pulp and SAP polymer material, and then compacted and cut to make it as shown in the figure. Figure 2 The absorbent layer 5 in the shape of the inner ring core shown (its shape is adjusted according to the core shape of different sanitary products);

[0059] After the SMS non-woven fabric is cut, rubber bands are added, and the rubber band glue is sprayed on the edges, and then the non-woven fabric 2 is glued on both sides, and then the non-woven fabric 2 is glued with the guide layer 3 by spraying glue, and then the non-woven fabric 2 and the guide layer 3 are passed through the concave roller together with the absorption layer 5, so that the non-woven fabric 2 and the guide layer 3 are pressed as a whole surface layer to form a plurality of concave points 4 with a wide top and a narrow bottom, and form an integral structure with the absorption layer 5;

[0060] The upper layer of the base film is sprayed with glue and glued to the overall structure, and then passes through the peripheral sealing roller (used for the peripheral sealing of the product, the peripheral sealing roller heat-seals the layers of material together and presses out the texture to ensure that the core materials do not leak out) and the compacting roller, and then the release paper is scraped with adhesive on the back and added, and then passes through the second compacting roller, and then the product shape is cut out by the external cutting knife roller, the product is folded, and enters the product packaging section.

[0061] It should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A superabsorbent sanitary product, characterized in that: Including top-down settings Three-dimensional protective covering, surface non-woven fabric, diversion layer, absorption layer, bottom film layer, release paper layer; The three-dimensional protective enclosure is glued to the surface non-woven fabric; The surface nonwoven fabric, the guide layer and the absorbent layer are laminated together, and a plurality of concave points with a wide top and a narrow bottom in the longitudinal section are formed on the surface of the integral structure after lamination; The base film layer and the release paper layer are glued to the lower end of the overall structure in sequence.

2. The superabsorbent sanitary product according to claim 1, characterized in that: The concave point is an inverted trapezoidal concave point; The concave points are distributed at the front end and the rear end of the structure surface layer, respectively forming elliptical concave point distribution areas.

3. The superabsorbent sanitary product according to claim 1, characterized in that: The three-dimensional guard is made of SMS non-woven fabric wrapped with elastic band, wherein the basis weight of the SMS non-woven fabric is 13-25gsm.

4. The superabsorbent sanitary product according to claim 1, characterized in that: The surface nonwoven fabric is selected from any one of hot air nonwoven fabric, eccentric fiber nonwoven fabric and spunbond nonwoven fabric.

5. The superabsorbent sanitary product according to claim 1, characterized in that: The guide layer is selected from any one of hot air non-woven fabric and hot rolled non-woven fabric.

6. The superabsorbent sanitary product according to claim 1, characterized in that: The absorption layer comprises an upper layer of toilet paper, an absorbent material layer, and a lower layer of toilet paper; The absorbent material layer is made of wood pulp and SAP polymer material; The upper toilet paper layer and the lower toilet paper layer wrap the absorbent material layer therebetween and are glued and compacted to form an absorbent layer.

7. The superabsorbent sanitary product according to claim 1, characterized in that: The bottom film layer is a breathable bottom film with a basis weight ranging from 15 to 35 gsm.

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