Baby paper diaper based on breathable composite core body

Abstract

The utility model belongs to the technical field of paper diapers, and particularly relates to a baby paper diaper based on a breathable composite core, the baby paper diaper comprises an outer layer, an inner core, a quick-dry layer and an inner layer are sequentially and fixedly pressed on the inner wall of the outer layer, leakage-proof guards are fixedly pressed on two sides of the outer layer, and magic tapes are fixedly connected to two ends of the outer surface of the outer layer. And a flow guide capillary groove is pressed on the outer surface of the inner layer. According to the baby paper diaper based on the breathable composite core body, by arranging the inner core and the quick-drying layer, the breathability of the paper diaper can be improved, the dryness of the paper diaper can be kept, the quick-drying layer is made of a FlexFoam material, urine can rapidly disappear on the surface and is transferred to the inner core, therefore, the dryness of the surface is kept, meanwhile, the moisture absorption effect is achieved without expansion, and the paper diaper is not prone to falling off. Compared with the prior art, the paper diaper has the advantages that large deformation can be avoided, the weight bearing feeling and the swelling feeling of the paper diaper are reduced, the comfort level is increased, comfortable skin-attaching experience can be provided, and good breathability is achieved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of paper diapers, in particular to a baby paper diaper based on a breathable composite core. BACKGROUND

[0002] A paper diaper is a disposable product that can be discarded after one use. It is made of non-woven fabric, toilet paper, fluff pulp, high molecular water-absorbing resin, PE film, rubber band, etc. There are two types: one for children and one for adults.

[0003] A light and thin breathable baby paper diaper is disclosed in Chinese patent No. CN214415046U. The light and thin breathable baby paper diaper comprises an absorbent core and its upper and lower front and back waist parts. The upper part of the absorbent core is provided with a dry layer, which is composed of a breathable layer and a flow guide layer. The flow guide layer is provided with flow guide holes. The upper part of the breathable layer is provided with an array of conical protrusions. The absorbent core is provided with a plurality of first air holes. The dry layer and the absorbent core are provided with an anti-back seepage layer. The lower part of the absorbent core is provided with a waterproof and breathable film to prevent leakage. The bottom end of the leakage prevention layer is provided with a surface layer. The two sides of the absorbent core are provided with a three-dimensional leakage prevention containment. The present utility model reduces the contact area between the baby paper diaper and the skin, making the baby's skin surface drier. The multiple air holes and the absorbent core make the baby paper diaper more breathable, improving the contact between the baby's skin and the outside air, and reducing the occurrence of eczema and other skin diseases.

[0004] However, the above-mentioned solution reduces the contact area between the baby paper diaper and the skin. The long-term accumulation of liquid in the paper diaper will cause the entire absorbent core to expand, affecting the breathability performance and the use experience. Long-term use will cause the baby's skin to appear eczema. The presence of accumulated liquid will cause bacteria to grow, leading to other diseases in babies. Therefore, a baby paper diaper based on a breathable composite core is needed to solve the above-mentioned problems. SUMMARY

[0005] Based on the existing paper diaper, the contact area with the skin is reduced. The long-term accumulation of liquid in the paper diaper will cause the entire absorbent core to expand, affecting the breathability performance and the use experience. Long-term use will cause the baby's skin to appear eczema. The presence of accumulated liquid will cause bacteria to grow, leading to other diseases in babies. Therefore, a baby paper diaper based on a breathable composite core is needed to solve the above-mentioned problems.

[0006] The baby paper diaper based on a breathable composite core comprises an outer layer, an inner core, a quick-drying layer and an inner layer fixed and pressed in sequence on the inner wall of the outer layer, a leakage prevention containment fixed and pressed on both sides of the outer layer, a magic tape fixed and connected at both ends of the outer surface of the outer layer, and a flow guide capillary groove pressed on the outer surface of the inner layer.

[0007] Preferably, the material of the outer layer is polypropylene film, and the outer surface of the outer layer is coated with an indicator strip.

[0008] Through the above technical solution, the outer layer can prevent leakage by polypropylene film, and the indicator strip is dyed by acidic or alkaline dyes. These dyes will change color when they come into contact with urine, which is usually weakly acidic or neutral, achieving the effect of indicating the humidity of urine.

[0009] Preferably, the material of the quick-drying layer is a flexible foam material, and the material of the inner layer is superfine fiber non-woven fabric.

[0010] Through the above technical solution, the flexible foam material is made of FlexFoam, which has excellent softness, can provide a comfortable skin experience, has good air permeability, helps to keep dry, reduces the irritation of moisture to the skin, and at the same time, FlexFoam is usually light, which helps to improve the comfort of the product without adding extra burden, provides good moisture absorption performance, can make the urine quickly disappear on the surface and be transmitted to the inner core, thereby keeping the surface dry, and at the same time, it does not achieve the effect of moisture absorption by swelling, can keep from deforming too much, reduce the feeling of weight and the swelling of the diaper, and increase the comfort.

[0011] Preferably, the inner core is formed by sequentially pressing the air-permeable layer, the absorption layer, and the diffusion layer by the ultrasonic welding machine, the upper surface of the diffusion layer is in contact with the lower surface of the quick-drying layer, and the lower surface of the air-permeable layer is in contact with the inner wall of the outer layer.

[0012] Through the above technical solution, the edges of the inner core are fixed by pressing or sewing between the outer layer, the inner layer, and the quick-drying layer, reducing the use of glue, thereby increasing the air permeability, and the gap between the inner core, the outer layer, the quick-drying layer, and the inner layer can facilitate the increase of air permeability.

[0013] Preferably, the material of the air-permeable layer is cotton fiber, and the material of the diffusion layer is bamboo fiber.

[0014] Through the above technical solution, the cotton fiber of the air-permeable layer can quickly absorb the urine transmitted by the quick-drying layer and then transmit it to the absorption layer for absorption and collection, and the bamboo fiber of the diffusion layer can increase the air permeability, and at the same time, bamboo fiber has natural antibacterial and strong moisture absorption properties, can absorb the urine that stays the longest at the beginning, and has a bacteriostatic effect to reduce the generation of bacteria.

[0015] Preferably, the absorption layer is formed by sequentially pressing the upper layer, the middle layer with through holes, and the lower layer by the ultrasonic welding machine, the lower surface of the upper layer, the inner wall of the middle layer, and the upper surface of the lower layer form an absorption groove, the materials of the upper layer and the lower layer are soft cotton, and the material of the middle layer is silver ion fiber.

[0016] Through the above technical scheme, the soft cotton can quickly absorb urine for conduction, and the silver ion fibers in the middle layer between the upper layer and the lower layer have antibacterial properties, can inhibit bacteria in the place where most of the urine is stored, and the soft cotton has excellent softness, thereby increasing the comfort of the diaper, maintaining the softness of the diaper, and enabling the absorption layer to absorb most of the urine.

[0017] Preferably, the inner wall of the absorption groove is provided with absorption particles made of polyvinyl alcohol, and the outer layer and the outer surface of the inner core are provided with air permeable holes.

[0018] Through the above technical scheme, the through holes between the upper layer and the lower layer and the middle layer can form a sealed concave groove in the shape of a flattened sphere, and during production, the middle layer can be pressed on the lower layer, the absorption particles are placed in the through holes of the middle layer and located on the upper surface of the lower layer, and the upper layer is pressed on the upper surface of the middle layer to complete the production of the absorption layer, thereby preventing the absorption particles from leaking, and enabling the absorption groove to be raised when the absorption particles absorb moisture and expand, thereby increasing the gap between the air permeable layer and the diffusion layer, accelerating the flow of air, increasing air permeability, maintaining the air permeability of the diaper after expansion, and increasing comfort.

[0019] The beneficial effects in the present application are:

[0020] By arranging the inner core and the quick-drying layer, the air permeability of the diaper can be improved, the diaper can be kept dry, the quick-drying layer uses FlexFoam material, the urine can quickly disappear on the surface and be transferred to the inner core, thereby keeping the surface dry, and the effect of absorbing moisture is not achieved by expansion, so that the diaper can not be deformed greatly, the feeling of heavy weight and the swelling of the diaper can be reduced, the comfort can be increased, a comfortable skin experience can be provided, the air permeability is good, the skin can be kept dry, the irritation of moisture to the skin can be reduced, the inner core is arranged by pressing the absorption particles in a rectangular array between the upper layer and the lower layer, the weight of the diaper can be reduced, the softness of the diaper can be maintained, the urine can be absorbed, and the air permeability can be maintained, the silver ion fibers of the middle layer have antibacterial properties, can inhibit bacteria in the urine absorbed by the inner core, and can reduce the generation of bacteria. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1A schematic view of a baby diaper based on a breathable composite core according to the present application is shown in the figure.

[0022] Figure 2 A perspective view of the flow guiding capillary groove structure of a baby diaper based on a breathable composite core according to the present application is shown in the figure.

[0023] Figure 3 A perspective view of the inner core structure of a baby diaper based on a breathable composite core according to the present application is shown in the figure.

[0024] Figure 4 A perspective view of the absorbent layer structure of a baby diaper based on a breathable composite core according to the present application is shown in the figure.

[0025] Figure 5 A perspective view of the breathable hole structure of a baby diaper based on a breathable composite core according to the present application is shown in the figure.

[0026] In the figure: 1, outer layer; 11, leakage-proof containment; 12, magic tape; 13, indicator strip; 2, inner core; 21, breathable layer; 22, absorbent layer; 2201, upper layer; 2202, middle layer; 2203, lower layer; 23, diffusion layer; 24, absorption groove; 25, absorption particles; 3, quick-drying layer; 4, inner layer; 41, flow guiding capillary groove; 5, breathable hole. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments of the present application.

[0028] Referring to Figures 1-5 A baby diaper based on a breathable composite core according to the present application comprises an outer layer 1, and the inner wall of the outer layer 1 is sequentially fixed with an inner core 2, a quick-drying layer 3 and an inner layer 4.

[0029] In order to prevent side leakage, the material of the outer layer 1 is a polypropylene film, and the outer surface of the outer layer 1 is coated with an indicator strip 13. The outer layer 1 can prevent leakage through the polypropylene film, and the indicator strip 13 is coated with acid or alkaline dyes. These dyes will change color when they come into contact with urine, which is usually weakly acidic or neutral, achieving the effect of indicating the humidity of urine.

[0030] In order to keep the surface of the diaper dry, the material of the quick-drying layer 3 is a flexible foam material, and the material of the inner layer 4 is a superfine fiber non-woven fabric; the flexible foam material is made of FlexFoam, which has excellent softness, can provide a comfortable skin experience, has good air permeability, helps to keep dry, reduces the irritation of moisture to the skin, and at the same time, FlexFoam is usually light, which helps to improve the comfort of the product, and at the same time, it does not increase the additional burden, provides good moisture absorption performance, can make the urine quickly disappear on the surface, and is transmitted to the inner core 2, so as to keep the surface dry, and at the same time, it does not achieve the effect of moisture absorption by swelling, can keep from being deformed greatly, reduce the feeling of weight and the swelling of the diaper, and increase the comfort.

[0031] The superfine fiber non-woven fabric of the inner layer 4 has good water absorption and moisture removal, can quickly absorb water, and can keep dry, the softness of the superfine fiber non-woven fabric makes it very comfortable when contacting the skin, the superfine fiber non-woven fabric can be made of environmentally friendly materials, has the characteristics of recycling and biodegradation, and meets the requirements of sustainable development.

[0032] In order to absorb and store urine, the inner core 2 is pressed by a ultrasonic welding machine in sequence by the air-permeable layer 21, the absorption layer 22 and the diffusion layer 23, the upper surface of the diffusion layer 23 is in contact with the lower surface of the quick-drying layer 3, and the lower surface of the air-permeable layer 21 is in contact with the inner wall of the outer layer 1; the edges of the inner core 2 are fixed by pressing or sewing between the outer layer 1, the inner layer 4 and the quick-drying layer 3, which reduces the input of glue, so as to increase the air permeability, and the gap between the inner core 2, the outer layer 1, the quick-drying layer 3 and the inner layer 4 can facilitate the increase of air permeability.

[0033] In order to speed up the absorption of the absorption layer 22, the material of the air-permeable layer 21 is cotton fiber, and the material of the diffusion layer 23 is bamboo fiber; the cotton fiber of the air-permeable layer 21 can quickly absorb the urine conducted by the quick-drying layer 3 and then transmit it to the absorption layer 22 for absorption and collection, the bamboo fiber of the diffusion layer 23 can increase the air permeability, at the same time, the bamboo fiber has natural antibacterial and strong moisture absorption, can adsorb the urine that stays the longest at the beginning, has bacteriostatic effect, and reduces the generation of bacteria.

[0034] In order to absorb and store urine, the absorption layer 22 is formed by pressing an upper layer 2201, a middle layer 2202 with through holes and a lower layer 2203 in sequence through an ultrasonic welding machine. The lower surface of the upper layer 2201, the inner wall of the middle layer 2202 and the upper surface of the lower layer 2203 form an absorption groove 24. The upper layer 2201 and the lower layer 2203 are both made of soft cotton, and the middle layer 2202 is made of silver ion fiber; the soft cotton can quickly absorb urine for conduction, and at the same time, the silver ion fiber in the middle layer 2202 has antibacterial properties, which can inhibit bacteria in places where most urine is stored. The soft cotton has excellent softness, thereby increasing the comfort of the diaper, maintaining the softness of the diaper, and can absorb most of the urine through the absorption layer 22.

[0035] In order to retain urine, absorbent particles 25 are placed on the inner wall of the absorption tank 24. The material of the absorbent particles 25 is polyvinyl alcohol. The outer surfaces of the breathable layer 21, the diffusion layer 23, the upper layer 2201, the middle layer 2202 and the lower layer 2203 are all pressed with breathable holes 5; the cooperation between the through holes between the upper layer 2201 and the lower layer 2203 and the middle layer 2202 can form a sealed oblate spherical groove. When making it, the middle layer 2202 can be pressed on the lower layer 2203 first, and then the absorbent particles 25 can be placed in the middle of the through hole of the middle layer 2202 on the upper surface of the lower layer 2203. It is pressed on the upper surface of the middle layer 2202 to complete the production of the absorption layer 22, so as to prevent the absorption particles 25 from leaking. After the absorption particles 25 absorb moisture, they expand and can prop up the absorption groove 24, so that the gap between the breathable layer 21 and the diffusion layer 23 is increased, thereby accelerating the flow of air and facilitating the increase of breathability, so that the diaper is still breathable after expansion. The air holes 5 are pressed on the outer surfaces of the breathable layer 21, the diffusion layer 23, the upper layer 2201 and the lower layer 2203, so as to increase the breathability, keep the surface of the diaper dry and increase the comfort.

[0036] In order to prevent side leakage, leak-proof guards 11 are fixedly pressed on both sides of the outer layer 1, and Velcro 12 is fixedly connected to both ends of the outer surface of the outer layer 1. The Velcro 12 at both ends can maintain the stability of the urine and prevent the movement of the connection caused by the baby's activities, which may cause side leakage of urine. First, bond the two Velcro 12 at the rear end, fix the diaper on the waist, and then fix the Velcro 12 at the front end of the outer layer 1 of the diaper to the outer layer 1 at the rear end to complete the fixation of the diaper. The outer surface of the inner layer 4 is pressed with diversion capillary grooves 41. After the diversion capillary grooves 41 are formed by pressing, they can facilitate the diversion of urine, thereby evenly distributing the urine and preventing urine from gathering in one place.

[0037] The above merely describes preferred specific embodiments of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art, according to the technical solution and inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A baby diaper based on a breathable composite core comprising an outer layer (1), characterized in that: The inner wall of the outer layer (1) is sequentially fixed with an inner core (2), a quick-drying layer (3) and an inner layer (4), both sides of the outer layer (1) are fixed with a leakage-proof guard (11), both ends of the outer surface of the outer layer (1) are fixedly connected with a magic tape (12), and the outer surface of the inner layer (4) is pressed with a flow guide capillary groove (41).

2. The breathable composite core based baby diaper as claimed in claim 1, wherein: The material of the outer layer (1) is a polypropylene film, and the outer surface of the outer layer (1) is coated with an indicating strip (13).

3. The breathable composite core based baby diaper as claimed in claim 1, wherein: The material of the quick-drying layer (3) is a flexible foam material, and the material of the inner layer (4) is an ultra-fine fiber non-woven fabric.

4. The breathable composite core based baby diaper as claimed in claim 1, wherein: The inner core (2) is sequentially pressed by an ultrasonic welding machine from an air-permeable layer (21), an absorbing layer (22) and a diffusion layer (23), the upper surface of the diffusion layer (23) is in contact with the lower surface of the quick-drying layer (3), and the lower surface of the air-permeable layer (21) is in contact with the inner wall of the outer layer (1).

5. The breathable composite core based baby diaper as claimed in claim 4, wherein: The material of the air-permeable layer (21) is cotton fiber, and the material of the diffusion layer (23) is bamboo fiber.

6. The breathable composite core based baby diaper as claimed in claim 4, wherein: The absorbing layer (22) is sequentially pressed by an ultrasonic welding machine from an upper layer (2201), a middle layer (2202) with through holes and a lower layer (2203), the lower surface of the upper layer (2201), the inner wall of the middle layer (2202) and the upper surface of the lower layer (2203) form an absorbing groove (24), the materials of the upper layer (2201) and the lower layer (2203) are both soft cotton, and the material of the middle layer (2202) is silver ion fiber.

7. The breathable composite core based baby diaper as claimed in claim 6, wherein: The inner wall of the absorbing groove (24) is placed with absorbing particles (25), the material of the absorbing particles (25) is polyvinyl alcohol, and the outer surface of the inner core (2) is pressed with air holes (5).

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