A soft and environmentally friendly sanitary napkin

Abstract

The utility model discloses a soft and environment -friendly sanitary towel, including the hot air non -woven fabric and plastic film that are combined as a whole, local be equipped with the silicon coating on the plastic film, the whole film is divided into silicon area and silicon -free area, silicon area and sanitary towel back adhesive paste connection. It has combined the characteristics of non -woven fabric soft, breathable and plastic film waterproof, greatly improve the hand feeling when touching and using of user, improve the use experience, simplify the complex process related to release paper on production, reduce hot melt adhesive paste etc. step, reduce the cost and improve the efficiency, in the environmental protection aspect, non -woven fabric has certain degradability, and the composite film is faster in the natural environment decomposition, and it is better than the traditional PE film and aluminized film of difficult degradation.

Description

Technical Field

[0001] This utility model relates to the field of feminine hygiene products, and in particular to a soft and environmentally friendly sanitary napkin. Background Technology

[0002] As a menstrual hygiene product, sanitary napkins must ensure safety and cleanliness. A single sanitary napkin typically consists of the napkin body and a wrapping film. The napkin body usually comprises, from top to bottom, a top layer, an absorbent core, and a bottom film. The bottom film has an adhesive backing, which is covered by release paper when the napkin is not in use. The release paper is connected to the wrapping film via hot melt adhesive, and the wrapping film completely encloses the napkin body. Currently, PE film and aluminized film are commonly used for wrapping. These materials have significant shortcomings: poor feel affecting the user experience; their use with release paper leads to complex production processes and increased costs; and they are not easily degradable, failing to meet environmental protection requirements and burdening the environment. With economic development and constantly changing personalized needs, the demand for higher quality and more diverse sanitary napkins is also continuously increasing. Utility Model Content

[0003] To address the aforementioned issues, this utility model provides a soft and environmentally friendly sanitary napkin. It aims to offer a single-piece sanitary napkin product with good softness when coated, improving the user's overall experience throughout the sanitary napkin use, simplifying the sanitary napkin production process, and being more environmentally friendly.

[0004] This utility model is implemented as follows: A soft and environmentally friendly sanitary napkin includes a sanitary napkin body and a composite release liner. The composite release liner includes an outer hot-air nonwoven fabric and an inner plastic film that are laminated together. The inner surface of the plastic film is provided with a silicone-coated area and a non-silicone area. The non-silicone area and the silicone-coated area have a thread adhesive at one end of their non-adjacent edges. The silicone-coated area is coated with a silicone oil coating. The silicone-coated area is bonded to the adhesive backing of the sanitary napkin body.

[0005] Furthermore, the width of the silicon-free region is 8-30 mm.

[0006] Furthermore, the adhesive line is 3-15 mm away from the edge of the coating.

[0007] Furthermore, the hot air nonwoven fabric and the plastic film are bonded together with a composite adhesive.

[0008] Furthermore, the plastic film is PP, PET, HDPE or PE.

[0009] Furthermore, the thickness of the hot air nonwoven fabric material is 8-30 gsm; the thickness of the plastic film material is 4-16 gsm.

[0010] Furthermore, the adhesive is a continuous strip-shaped adhesive.

[0011] Furthermore, the linear adhesive is a colloid composed of discrete dots arranged in a linear structure.

[0012] The beneficial effects of this utility model are: a soft and environmentally friendly sanitary napkin that combines the softness and breathability of non-woven fabric with the waterproof properties of plastic film, greatly improving the feel of the user's touch and use, and enhancing the user experience; in terms of production, it simplifies the complex processes related to release paper, reduces steps such as hot melt adhesive bonding, lowers costs and improves efficiency; in terms of environmental protection, because non-woven fabric has a certain degree of biodegradability, the composite film decomposes faster in the natural environment, which is superior to traditional PE film and aluminized film that are difficult to degrade; the silicone coating layer ensures smooth peeling, and the absence of silicone in some areas ensures the sealing and stability of the individual packaging of the sanitary napkin.

[0013] The present invention will be explained in detail below with reference to the accompanying drawings and specific embodiments. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the position and structure of the soft and environmentally friendly sanitary napkin of this utility model; Figure 2 This is a cross-sectional view of the soft and environmentally friendly sanitary napkin of this utility model in its packaged state; Figure 3 This is a schematic diagram of the composite release fabric wrapping structure in direction A of this utility model; Figure 4 This is a schematic diagram of the silicone-coated area of ​​the composite release fabric of this utility model.

[0015] In the diagram: 1. Sanitary napkin body, 2. Adhesive backing, 3. Composite release fabric wrapping, 4. Thread adhesive, 5. Silicone-free area, 6. Silicone-coated area, 31. Silicone oil coating, 32. Plastic film, 33. Hot air nonwoven fabric. Detailed Implementation

[0016] This embodiment is a soft and environmentally friendly sanitary napkin, such as... Figure 1-4 As shown, it includes a sanitary napkin body 1 and a composite release liner 3. The composite release liner 3 adopts a double-layer structure of an outer hot-air nonwoven fabric 33 and an inner plastic film 32. The outer hot-air nonwoven fabric 33 provides a soft touch and wear-resistant protection, while the inner plastic film 32 serves as a functional carrier and plays a sealing and protective role.

[0017] The inner surface of the plastic film 32 is divided into two areas: a silicone-coated area 6 and a non-silicone area 5. The silicone-coated area 6 is uniformly covered with a silicone oil coating 31. This area adheres to the adhesive backing 2 on the sanitary napkin body 1. The low adhesion between the silicone oil coating 31 and the adhesive backing 2 facilitates easy peeling of the composite release liner 3 by the user. A thread-like adhesive 4 is provided at one non-adjacent edge of the non-silicone area 5 and the silicone-coated area 6. The thread-like adhesive 4 is in the form of a continuous strip or a combination of dots. When the sanitary napkin is not in use, after the composite release liner 3 wraps and folds the sanitary napkin body 1, it is adhered to the hot-air nonwoven fabric 33 of the composite release liner 3 by the thread-like adhesive 4, forming a seal. Horizontal seals are formed on both sides by heat rolling.

[0018] The hot air nonwoven fabric 33 and the plastic film 32 are bonded together with composite adhesive.

[0019] The plastic film 32 is one of PP, PET, HDPE or PE.

[0020] The thickness of the hot air nonwoven fabric 33 is 8-30 gsm; the thickness of the plastic film 32 is 4-16 gsm.

[0021] The width of the silicon-free region 5 is 8-30 mm.

[0022] The adhesive line 4 is 3-15mm away from the edge of the coating.

[0023] The sanitary napkin manufacturing and packaging steps described in this embodiment are as follows: The material is processed into the main body of the sanitary napkin 1 by the front-end mechanism of the production line; Hot air nonwoven fabric 33 is combined with plastic film 32 to form composite release fabric film 3; Hot melt adhesive is evenly scraped onto the composite release fabric film 3 using a scraper to form backing adhesive 2 and line adhesive 4. Backing adhesive 2 is in the silicone-coated area 6, and line adhesive is in the non-silicone area 5. Apply the coated composite release fabric 3 to the back of the sanitary napkin body 1 after applying the adhesive. The sanitary napkin body 1 and the composite release film 3 are folded together to form a shape as shown. Figure 2 The structure is folded over, and then the adhesive is pressed to adhere the thread to the hot-air nonwoven fabric surface of the composite release film 3 to form a seal; A horizontal seal is formed on both sides of the folded composite release fabric film 3 by hot rolling.

[0024] This invention has significant advantages: First, the composite material of hot-air nonwoven fabric and plastic film makes it softer to the touch; second, the partial silicone coating design replaces traditional release paper and hot melt adhesive, simplifying the production process and making it more environmentally friendly; third, by adjusting the silicone coating area, an 8-30mm wide silicone-free area is formed at the glue seal, enhancing the sealing strength and ensuring the sealing of each sanitary napkin.

[0025] The above description is only used to illustrate the technical solution of this utility model and is not intended to limit it. Although this utility model has been described in detail with reference to the preferred arrangement, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model (such as the connection method, the shape of each element, etc.) without departing from the spirit and scope of the technical solution of this utility model.

Claims

1. A soft and environmentally friendly sanitary napkin, comprising a sanitary napkin body (1) and a composite release liner (3), characterized in that, The composite release fabric wrapping (3) includes an outer hot air nonwoven fabric (33) and an inner plastic film (32) that are composited together. The inner surface of the plastic film (32) is provided with a silicone-coated area (6) and a non-silicone area (5). The non-silicone area (5) and the silicone-coated area (6) are provided with a thread adhesive (4) at one end of their non-adjacent edges. The silicone-coated area (6) is coated with a silicone oil coating (31). The silicone-coated area (6) is bonded to the adhesive backing (2) on the sanitary napkin body (1).

2. The soft and environmentally friendly sanitary napkin according to claim 1, characterized in that, The width of the silicon-free region (5) is 8-30 mm.

3. The soft and environmentally friendly sanitary napkin according to claim 1, characterized in that, The adhesive line (4) is 3-15 mm away from the edge of the coating.

4. The soft and environmentally friendly sanitary napkin according to claim 1, characterized in that, The hot air nonwoven fabric (33) and the plastic film (32) are bonded together by composite adhesive.

5. The soft and environmentally friendly sanitary napkin according to claim 1, characterized in that, The plastic film (32) is PP, PET, HDPE or PE.

6. The soft and environmentally friendly sanitary napkin according to claim 1, characterized in that, The thickness of the hot air nonwoven fabric (33) is 8-30 gsm; the thickness of the plastic film (32) is 4-16 gsm.

7. The soft and environmentally friendly sanitary napkin according to claim 1, characterized in that, The adhesive (4) is a continuous strip-shaped adhesive.

8. The soft and environmentally friendly sanitary napkin according to claim 1, characterized in that, The linear adhesive (4) is a colloid with discrete dots arranged in a linear structure.

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