Functional sanitary napkin with bidirectional air-permeable structure
By introducing a tea polyphenol layer, a nano-level breathable bottom film, and an activated carbon layer into the sanitary napkin, the problems of bacterial growth and odor during menstruation are solved, achieving two-way breathability and dryness, thus improving women's comfort and health.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- KUNSHAN YARI SANITARY PROD CO LTD
- Filing Date
- 2025-02-13
- Publication Date
- 2026-07-24
AI Technical Summary
Existing sanitary napkins are prone to harboring large amounts of bacteria and producing odors during menstruation, and they also have poor breathability, which affects women's health.
A functional sanitary napkin with a two-way breathable structure was designed, comprising a tea polyphenol layer, a nano-level breathable bottom membrane, an activated carbon layer, and an antibacterial coating. The tea polyphenol layer inhibits bacterial growth, the nano-level breathable bottom membrane provides breathability, the activated carbon layer absorbs odors, and the antibacterial coating prevents bacterial infection, thus achieving two-way breathability and dryness.
It effectively inhibits bacterial growth, reduces odor, keeps sanitary napkins dry and breathable, prevents leakage, provides a comfortable user experience, and protects women's health.
Smart Images
Figure CN224540453U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of sanitary napkin technology, specifically a functional sanitary napkin with a two-way breathable structure. Background Technology
[0002] Sanitary napkins are a type of feminine hygiene product primarily used to absorb menstrual blood during menstruation. They are typically composed of one or more layers of absorbent materials, such as fluff pulp, paper pulp, and superabsorbent polymers, which absorb and lock in menstrual blood to prevent leakage. Sanitary napkins are an essential item in women's daily lives, helping them maintain cleanliness and comfort and preventing gynecological diseases.
[0003] Functional sanitary napkins are products that add special features to regular sanitary napkins. These features are designed to meet the different needs of women during their menstrual cycle, providing better protection and comfort. Some functional sanitary napkins have special absorbent technology that can better absorb menstrual blood, keep women dry, and reduce the possibility of leakage. Functional sanitary napkins offer different functions for different stages of a woman's menstrual cycle, providing women with more choices and better protection.
[0004] In the process of realizing this utility model, the inventor discovered the following problems with the existing technology: 1. Existing sanitary napkins often only serve to absorb menstrual blood, but during menstruation, a large number of bacteria will be generated and a certain odor will be produced, thus lacking a functional design that can remove bacteria and odor; 2. During the use of sanitary napkins, they are in a humid environment for a long time and need to be breathable and comfortable, but existing sanitary napkins have poor breathability, which can easily cause harm to women's health. Utility Model Content
[0005] The purpose of this utility model is to provide a functional sanitary napkin with a two-way breathable structure, to solve the problems mentioned in the background art, where existing sanitary napkins often only serve to absorb menstrual blood, but generate a large number of bacteria and produce a certain odor during menstruation, thus lacking a functional design that can eliminate bacteria and odor. Furthermore, during the use of sanitary napkins, they are in a humid environment for a long time and need to maintain breathability and comfort, but existing sanitary napkins have poor breathability, which can easily harm women's health. To achieve the above objective, this utility model provides the following technical solution: a functional sanitary napkin with a two-way breathable structure, including a surface layer, a functional layer on one side of the inner side of the surface layer, an absorbent layer on the bottom side of the functional layer, a breathable layer on the bottom side of the absorbent layer, a leak-proof layer on the bottom side of the breathable layer, and side wings on the left and right sides of the surface layer.
[0006] More preferably, the interior of the functional layer is provided with a tea polyphenol layer and a nano-scale breathable bottom membrane from top to bottom.
[0007] More preferably, the surface layer is made of hot air nonwoven fabric.
[0008] More preferably, the interior of the breathable layer is provided with a densely perforated film and an activated carbon layer from top to bottom.
[0009] More preferably, the surface of the leak-proof layer is provided with an antibacterial coating.
[0010] More preferably, the bottom of the side wings and the leak-proof layer are provided with an adhesive layer.
[0011] More preferably, the adhesive layer at the bottom of the side wing is bonded with release paper.
[0012] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0013] In this invention, the functional layer contains a tea polyphenol layer and a nano-level breathable bottom membrane from top to bottom. The tea polyphenol layer effectively inhibits the growth of bacteria in menstrual blood, thereby reducing odor and protecting the skin from free radical damage. The nano-level breathable bottom membrane provides excellent breathability; its nano-level microporous structure allows air to circulate freely, enabling moisture inside the towel to be quickly expelled, keeping it dry and comfortable. The surface layer is made of hot-air non-woven fabric that comes into direct contact with the skin, reducing skin irritation, providing a comfortable user experience, and further preventing bacterial infection and disease transmission. The hot-air non-woven fabric also gives the surface layer a certain degree of water absorption, allowing it to absorb sweat and a small amount of menstrual blood from the skin surface during use, keeping the skin dry.
[0014] In this invention, when the sanitary napkin absorbs liquid, the liquid permeates into the breathable layer and comes into contact with the densely perforated film and activated carbon layer. During this process, the activated carbon layer in the breathable layer, due to its excellent adsorption properties, can adsorb the moisture in the liquid. At the same time, the small holes on the densely perforated film can accelerate the evaporation of moisture, keeping the sanitary napkin dry. Meanwhile, the moisture in the breathable layer will be discharged through the side wings of the sanitary napkin, maintaining the breathability and dryness of the sanitary napkin. The densely perforated film and activated carbon layer can achieve bidirectional breathability and moisture wicking, allowing the moisture inside the sanitary napkin to be quickly discharged and kept dry. In addition to adsorbing the moisture in the liquid, the activated carbon layer can also adsorb the odor in the liquid, thus keeping the sanitary napkin fresh. Attached Figure Description
[0015] Figure 1 This is a three-dimensional structural diagram of the present invention;
[0016] Figure 2 This is a schematic diagram of the exploded structure of this utility model;
[0017] Figure 3This is a schematic diagram of the side wing structure of this utility model;
[0018] Figure 4 This is a schematic diagram of the breathable layer structure of this utility model.
[0019] In the diagram: 1. Surface layer; 2. Functional layer; 201. Tea polyphenol layer; 202. Nanoscale breathable bottom film; 3. Absorbent layer; 4. Breathable layer; 401. Densely perforated film; 402. Activated carbon layer; 5. Leak-proof layer; 501. Antibacterial coating; 6. Side wings; 601. Release paper. Detailed Implementation
[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.
[0021] Please see Figures 1 to 4 This utility model provides a technical solution: a functional sanitary napkin with a two-way breathable structure, including a surface layer 1, a functional layer 2 on one side of the inner side of the surface layer 1, an absorbent layer 3 on one side of the bottom of the functional layer 2, a breathable layer 4 on one side of the bottom of the absorbent layer 3, a leak-proof layer 5 on one side of the bottom of the breathable layer 4, and side wings 6 on the left and right sides of the surface layer 1.
[0022] In this embodiment, as Figure 2 and Figure 4 As shown, the interior of functional layer 2 consists of a tea polyphenol layer 201 and a nano-level breathable bottom membrane 202 from top to bottom. It should be noted that after menstrual blood passes through the surface layer 1, it flows downwards into the interior of functional layer 2. At this time, the menstrual blood passes through the tea polyphenol layer 201 and the nano-level breathable bottom membrane 202 in sequence. During this process, the tea polyphenols in the tea polyphenol layer 201 have antibacterial, antioxidant, and deodorizing effects, which can effectively inhibit the growth of bacteria in menstrual blood, thereby reducing odor and protecting the skin from free radical damage. The nano-level breathable bottom membrane 202 located below the tea polyphenol layer 201 provides good breathability. Its nano-level microporous structure allows air to circulate freely, enabling the moisture inside the towel to be quickly discharged, keeping it dry and comfortable.
[0023] In this embodiment, as Figure 1 and Figure 4As shown, the surface of the outer layer 1 is made of hot air nonwoven fabric. It should be noted that the outer layer 1 is in direct contact with the skin. Because the hot air nonwoven fabric is soft and skin-friendly, it can reduce the irritation of the skin by the outer layer 1, provide a comfortable user experience, and further prevent bacterial infection and disease transmission. The hot air nonwoven fabric has good breathability and moisture permeability, allowing the skin to breathe freely and reducing stuffiness and discomfort. The design of the hot air nonwoven fabric also gives the outer layer 1 a certain degree of water absorption, so that it can absorb sweat and a small amount of menstrual blood on the skin surface during use, keeping the skin dry. At the same time, the absorbed liquid is transferred through the outer layer 1 to the functional layer 2 below for further processing.
[0024] In this embodiment, as Figure 2 and Figure 4 As shown, the breathable layer 4 has a densely perforated film 401 and an activated carbon layer 402 arranged from top to bottom inside. It should be noted that when the sanitary napkin absorbs liquid, the liquid will penetrate into the breathable layer 4 and come into contact with the densely perforated film 401 and the activated carbon layer 402. During this process, the activated carbon layer 402 in the breathable layer 4 has good adsorption properties and can adsorb the moisture in the liquid. At the same time, the small holes on the densely perforated film 401 can accelerate the evaporation of moisture, keeping the sanitary napkin dry. The moisture in the breathable layer 4 will be discharged through the side wings 6 of the sanitary napkin, maintaining the breathability and dryness of the sanitary napkin. The densely perforated film 401 and the activated carbon layer 402 can achieve bidirectional air permeability, allowing the moisture inside the sanitary napkin to be discharged quickly and kept dry. In addition to adsorbing the moisture in the liquid, the activated carbon layer 402 can also adsorb the odor in the liquid, thus keeping the sanitary napkin fresh.
[0025] In this embodiment, as Figure 4 As shown, the surface of the leak-proof layer 5 is provided with an antibacterial coating 501. It should be noted that after menstrual blood has undergone absorption and sterilization processes, it will reach the leak-proof layer 5. During this process, the use of the leak-proof layer 5 can effectively prevent liquid leakage, thereby maintaining the hygiene of the sanitary napkin and preventing the spread of diseases. At the same time, the design of the leak-proof layer 5 makes it more convenient for women to wear sanitary napkins without worrying about liquid leakage. The antibacterial coating 501 on the surface of the leak-proof layer 5 can further inhibit the growth of bacteria, prevent bacterial infection, and protect women's health.
[0026] In this embodiment, as Figure 3As shown, both the side wings 6 and the bottom of the leak-proof layer 5 have adhesive layers. It should be noted that before use, the user needs to attach the adhesive layers of the side wings 6 and the bottom of the leak-proof layer 5 to the woman's underwear, ensuring a secure bond. After attachment, adjust the position of the sanitary napkin to ensure it fits snugly against the woman's body. During use, the adhesive layers will hold the sanitary napkin in place, preventing it from shifting or falling off. The adhesive layer also makes changing the sanitary napkin easier; simply peel off the old one and attach the new one. Furthermore, the adhesive layer design ensures a close fit to the woman's body, reducing irritation and improving comfort.
[0027] In this embodiment, as Figure 3 As shown, release paper 601 is attached to the adhesive layer surface at the bottom of the side wing 6. It should be noted that before using the sanitary napkin, the release paper 601 needs to be peeled off from the adhesive layer surface to expose the adhesive layer. Then, the side wing 6 and the adhesive layer at the bottom of the leak-proof layer 5 of the sanitary napkin are pasted onto the woman's underwear to ensure a firm bond. In actual use, the design of the release paper 601 can protect the adhesive layer from contamination and damage when not in use, extend the service life of the adhesive layer, and ensure the effectiveness and safety of the sanitary napkin. Moreover, the use of release paper 601 makes the replacement of sanitary napkins more convenient; simply peel the release paper 601 off from the adhesive layer surface for pasting.
[0028] The usage and advantages of this utility model: This functional sanitary napkin with a two-way breathable structure operates as follows during use:
[0029] like Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, when using the functional sanitary napkin of this invention, the user needs to ensure that their hands are clean and prepare clean underwear and sanitary napkin. Then, find the sanitary napkin, tear open the packaging and the release paper 601 at the bottom of the side wings 6 to expose the leak-proof layer 5 and the adhesive layer at the side wings 6. At this time, the side wings 6 of the sanitary napkin can be aligned with the sides of the underwear, and the adhesive layer of the sanitary napkin can be pasted onto the underwear, ensuring that it is firmly pasted to prevent the sanitary napkin from shifting or falling off, so that the surface layer 1 can be flatly attached to the user's lower body. During normal use of the sanitary napkin, the menstrual blood will first flow to the hot air nonwoven fabric of the surface layer 1, and then flow down through it into the functional layer 2. During this period, the tea polyphenol layer 201 will reduce the growth of bacteria in the menstrual blood. This prevents infection, while the nano-level breathable bottom membrane 202 allows air circulation, keeping the lower body dry. Menstrual blood then continues to flow downwards to the absorbent layer 3, where it is quickly absorbed by the absorbent material, keeping the body dry. A small amount of menstrual blood then flows down to the breathable layer 4, passing through the densely perforated membrane 401 and the activated carbon layer 402, thus accelerating the removal of moisture and menstrual blood, promoting two-way breathing of the body and keeping the lower body dry. At the same time, the activated carbon layer 402 can absorb odors from the menstrual blood. Finally, the menstrual blood, after being absorbed through layers, reaches the leak-proof layer 5, which prevents menstrual blood leakage and protects the cleanliness of the underwear and surrounding clothing. The antibacterial coating 501 further prevents bacterial infection.
[0030] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.
Claims
1. A functional sanitary napkin with a two-way breathable structure, comprising a surface layer (1), characterized in that: The surface layer (1) has a functional layer (2) on one side inside. The surface of the surface layer (1) is made of hot air nonwoven fabric. The interior of the functional layer (2) has a tea polyphenol layer (201) and a nano-level breathable bottom film (202) from top to bottom. The bottom side of the functional layer (2) is provided with an absorption layer (3), and the bottom side of the absorption layer (3) is provided with a breathable layer (4). The breathable layer (4) is provided with a densely perforated film (401) and an activated carbon layer (402) from top to bottom. The bottom side of the breathable layer (4) is provided with a leak-proof layer (5), the surface of the leak-proof layer (5) is provided with an antibacterial coating (501), the left and right sides of the surface layer (1) are provided with side wings (6), the bottom of the side wings (6) and the leak-proof layer (5) are provided with an adhesive layer, and the surface of the adhesive layer provided at the bottom of the side wings (6) is attached with release paper (601).