CN104546307A - Disposable absorbent products - Google Patents

Abstract

The invention discloses a disposable moisture absorption article, which comprises a body, wherein the body comprises a skin-friendly layer, a bottom layer and an absorption layer clamped between the skin-friendly layer and the bottom layer, the absorption layer is mainly formed by physically mixing wood pulp and high polymer materials, the absorption layer comprises a middle part and two end parts respectively positioned at two ends of the middle part, and the weight ratio of the high polymer materials in the middle part in the absorption layer is higher than that of the high polymer materials in the end parts in the absorption layer. According to the invention, the weight ratio of the high polymer material in the middle part in the absorption layer is higher than that of the high polymer material in the end part in the absorption layer, so that the amount of the high polymer material in the end part is reduced, the high polymer material is mainly concentrated in the middle part, the absorption capacity of the middle part is improved, the purpose of not wasting the high polymer material and wood pulp at the two ends of the absorption layer is achieved, the effect of fully absorbing liquid is achieved, and the dry and comfortable performance of the absorption layer is improved.

Description

Disposable absorbent products

technical field

The invention relates to the field of sanitary products, in particular to a disposable hygroscopic product.

Background technique

Disposable hygroscopic products are hygienic products commonly used by modern children and the elderly. With the development of the economy and the acceleration of people's life rhythm, it has gradually become a necessity for every family by virtue of its convenient use, practicality and effectiveness.

Existing disposable hygroscopic articles usually include a skin-friendly layer, a bottom layer and a hygroscopic layer arranged between the bottom layer and the skin-friendly layer. The absorbent layer of paper diapers and sanitary napkins in existing products is made of physical mixture of wood pulp and polymer materials. The disposable hygroscopic products in the prior art have the problem of high material cost.

Contents of the invention

The purpose of the present invention is to provide a disposable hygroscopic article, which can not only ensure good hygroscopic effect, but also save materials.

For reaching this purpose, the present invention adopts following technical scheme:

A disposable hygroscopic article, comprising a main body, the main body includes a skin-friendly layer, a bottom layer, and an absorbent layer sandwiched between the skin-friendly layer and the bottom layer, and the absorbent layer is mainly made of wood pulp and a polymer material physically mixed The absorbent layer includes a middle part and two end parts respectively located at both ends of the middle part, and the weight ratio of the polymer material in the middle part in the absorbent layer is higher than that of the end parts. The weight ratio of the polymer material in the absorbing layer.

Preferably, the polymer material is water-absorbent resin.

As a preferred technical solution, the weight ratio of the polymer material in the middle part in the absorption layer is 50%-90%;

The weight ratio of the polymer material in the two ends in the absorption layer is 5%-20%;

The sum of the contents of each component in the absorbing layer is 100%.

Preferably, the weight ratio of the polymer material in the middle part in the absorption layer is 50%-70%;

The weight ratio of the polymer material in the two end parts in the absorption layer is 5%-20%.

As a preferred technical solution, the area of the middle part accounts for 50%-70% of the area of the absorbing layer.

As a preferred technical solution, the end portion extends from the edge of the absorbent layer to a first position close to its center, and the distance between the first position and the edge of the absorbent layer is not greater than the length of the absorbent layer 1/5 of.

As a preferred technical solution, the thickness of the middle part is equal to the thickness of the end part.

As a preferred technical solution, the thickness of the middle part is greater than the thickness of the end parts.

As a preferred technical solution, the end portion is a flat structure with uniform thickness.

As a preferred technical solution, the end portion is an uneven structure whose thickness gradually and uniformly decreases from the middle portion toward a direction away from the middle portion.

Specifically, when a liquid flows into the absorbent layer, most of the liquid is absorbed by the middle part, and a small part of the liquid will flow to the end part, and the distribution of the liquid on the end part is from the middle part toward the direction away from the middle part. The trend of gradual reduction, by setting the end part as an uneven structure whose thickness gradually decreases from the middle part to the direction away from the middle part, on the one hand, the amount of wood pulp and polymer materials in the end part can be reduced to achieve a reasonable ratio of materials , The purpose of saving resources, on the other hand, can also make the end part fully absorb the liquid flowing on it according to the distribution of liquid, and then keep the skin dry.

As a preferred technical solution, the side of the absorbing layer close to the skin-friendly layer is provided with liquid-conducting lines.

The liquid-absorbing area of the absorbent layer can be increased by providing the liquid-conducting lines, so that the liquid can be quickly absorbed by the absorbent layer.

As a preferred technical solution, a flow guide layer is provided between the middle part and the skin-friendly layer, and there is no flow guide layer between the end part and the skin-friendly layer.

By setting the guide layer between the middle part and the skin-friendly layer, the liquid can be absorbed by the middle part as much as possible, so as to reduce the liquid flowing to the end part as much as possible, so that the end part only needs to set a smaller amount The polymer material is then able to absorb liquid flowing thereon, further reducing the amount of polymer material in the tip.

Compared with the prior art, the beneficial effect of the present invention is: the present invention by designing the weight ratio of the polymer material in the middle part in the absorbing layer is higher than the weight ratio of the polymer material in the end part in the absorbing layer , so that the amount of polymer material in the end is reduced, the polymer material is mainly concentrated in the middle part, and the absorption capacity of the middle part is improved, which not only achieves the purpose of not wasting the polymer material and wood pulp at both ends of the absorbing layer, but also achieves full absorption. The effect of absorbing liquid increases the dry performance of the absorbent layer.

Description of drawings

Fig. 1 is a schematic structural view of the disposable hygroscopic article according to the first embodiment of the present invention.

Fig. 2 is a schematic structural view of the disposable hygroscopic article according to the first embodiment of the present invention.

Fig. 3 is a cross-sectional view of the disposable absorbent article according to the third embodiment of the present invention.

Fig. 4 is a sectional view of the disposable absorbent article according to the fourth embodiment of the present invention.

Fig. 5 is a sectional view of the disposable absorbent article according to the sixth embodiment of the present invention.

In the picture:

1. Crotch; 11. Trouser opening; 12. Elastic body around legs;

2. Front waist section; 21. Front waist elastic body;

3. Back waist section; 31. Back waist elastic body;

4. Absorbing layer; 41, end portion, 42, middle portion;

5. Side waist;

6. Skin-friendly layer;

7. The bottom layer;

8. Diversion layer.

Detailed ways

The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and through specific implementation methods.

Embodiment one:

As shown in Fig. 1 and Fig. 2, a kind of disposable hygroscopic article of this embodiment comprises a body, and the body includes a skin-friendly layer 6, a bottom layer 7 and an absorbent layer 4 interposed between the skin-friendly layer 6 and the bottom layer 7, absorbing Layer 4 is mainly formed by physically mixing wood pulp and polymer materials. The absorption layer includes a middle part 42 and two end parts 41 respectively located at both ends of the middle part 42. The weight ratio of the polymer material in the end portion 41 is higher than that of the absorbent layer 4 in the end portion 41 .

By designing the weight ratio of the polymer material in the middle part 42 in the absorbing layer 4 to be higher than the weight ratio of the polymer material in the end part 41 in the absorbing layer 4, the polymer material in the end part 41 The amount is reduced, so that the polymer material is mainly concentrated in the middle part 42, which improves the absorption capacity of the middle part 42, not only achieves the purpose of not wasting the polymer material and wood pulp at both ends of the absorbent layer 4, but also achieves the ability to fully absorb liquid As a result, the dry performance of the absorbent layer 4 is increased.

In this embodiment, the thickness of the middle part 42 is equal to the thickness of the end 41, the area of the middle part 42 accounts for 70% of the area of the absorption layer 4, and the proportion of the polymer material in the middle part 42 in the absorption layer 4 is 70%, the proportion of the polymer material in the two end portions 41 in the absorbing layer 4 is 5%.

The polymer material is preferably a water-absorbing resin, which has good water absorption. Of course, other polymer materials with good water absorption known to those skilled in the art can also be used in the present invention.

The body also includes a crotch portion 1, a front waist portion 2 and a rear waist portion 3. The front waist portion 2 and the rear waist portion 3 are respectively located at the two ends of the crotch 1 along the longitudinal direction, and the two ends of the crotch 1 along the transverse direction are provided with trousers. The mouth 11, the two sides of the back waistline 3 are provided with side waistlines 5, the front waistline 2 and the back waistline 3 are respectively provided with front waistline elastic body 21 and rear waistline elastic body 31, and the edge of trouser opening 11 is provided with leg Around the elastic body 12.

By setting the front waist elastic body 21, the back waist elastic body 31 and the leg elastic body 12, the excrement discharged from the human body will not leak from the waist and leg circumference.

Embodiment two:

The difference between this embodiment and Embodiment 1 is that the area of the middle part 42 accounts for 50% of the area of the absorbing layer 4, and the proportion of the polymer material in the middle part 42 in the absorbing layer 4 is 50%. The polymer material in the end portion 41 accounts for 20% of the absorption layer 4 .

Embodiment three:

As shown in Figure 3, the difference between this embodiment and Embodiment 1 is: the thickness of the middle part 42 is greater than the thickness of the end part 41, by designing the thickness of the middle part 42 to be greater than the thickness of the end part 41, not only the end part 41 can be made The reduction of the polymer material in the end part 41 can also appropriately reduce the wood pulp in the end part 41, which is beneficial to the saving of materials.

In this embodiment, the end portion 41 is a flat structure.

Embodiment four:

As shown in FIG. 4 , the difference between the present embodiment and the third embodiment is that the end portion 41 is an uneven structure whose thickness gradually decreases uniformly from the middle portion 42 toward the direction away from the middle portion 42 .

Specifically, when a liquid flows into the absorbent layer 4, most of the liquid is absorbed by the middle part 42, and a small part of the liquid will flow to the end part 41, and the distribution amount of the liquid on the end part 41 is from the middle part toward the The direction of the middle part 42 gradually decreases, and by setting the end part as an uneven structure whose thickness gradually decreases from the middle part toward the direction away from the middle part 42, on the one hand, the wood pulp and polymer materials in the end part 41 can be reduced. In order to achieve a reasonable ratio of materials and save resources, on the other hand, it can also make the end 41 fully absorb the liquid flowing on it according to the distribution of liquid, so as to keep the skin dry.

Embodiment five:

The difference between the present embodiment and the first embodiment lies in that: the side of the absorbent layer 4 close to the skin-friendly layer 6 is provided with liquid-conducting lines.

The arrangement of the liquid-conducting lines can increase the liquid-absorbing area of the absorbent layer 4, so that the liquid can be quickly absorbed by the absorbent layer 4.

Embodiment six:

As shown in Figure 5, the difference between this embodiment and Embodiment 1 is that: a flow guide layer 8 is provided between the middle part 42 and the skin-friendly layer 6, and there is no flow guide layer between the end part 41 and the skin-friendly layer 6 8.

By arranging the guide layer 8 between the middle part 42 and the skin-friendly layer 6, the liquid can be absorbed by the middle part 42 as much as possible, so as to achieve the purpose of the liquid flowing to the end part 41 as little as possible, so that the end part 41 As long as a smaller amount of polymer material is provided inside, the liquid flowing thereon can be absorbed, further reducing the amount of polymer material in the end portion 41 .

The above describes the technical principles of the present invention in conjunction with specific embodiments. These descriptions are only for explaining the principles of the present invention, and cannot be construed as limiting the protection scope of the present invention in any way. Based on the explanations herein, those skilled in the art can think of other specific implementation modes of the present invention without creative efforts, and these modes will all fall within the protection scope of the present invention.

Claims (10)

1. A disposable hygroscopic article, comprising a body, the body comprising a skin-friendly layer, a bottom layer and an absorbent layer interposed between the skin-friendly layer and the bottom layer, wherein the absorbent layer mainly adopts wood pulp Physically mixed with polymer materials, the absorbing layer includes a middle part and two end parts respectively located at both ends of the middle part, and the weight ratio of the polymer material in the middle part in the absorbing layer is It is higher than the weight ratio of the polymer material in the two end portions in the absorption layer. 2. The disposable hygroscopic article according to claim 1, characterized in that, the weight ratio of the polymer material in the middle part to the absorbent layer is 50%-90%; The weight ratio of the polymer material in the two ends in the absorption layer is 5%-20%; The sum of the contents of each component in the absorbing layer is 100%. 3. The disposable hygroscopic article according to claim 2, characterized in that, the weight ratio of the polymer material in the middle part to the absorbent layer is 50%-70%; The weight ratio of the polymer material in the two end parts in the absorption layer is 5%-20%. 4. The disposable absorbent article according to claim 1, wherein the area of the middle portion accounts for 50%-70% of the area of the absorbent layer. 5. The disposable absorbent article of claim 1, wherein said central portion has a thickness equal to the thickness of said end portions. 6. The disposable absorbent article of claim 1 wherein said central portion has a greater thickness than said end portions. 7. The disposable absorbent article according to claim 6, wherein the end portion is a flat structure with uniform thickness. 8. The disposable hygroscopic article according to claim 6, wherein the end portion is an uneven structure whose thickness gradually and uniformly decreases from the middle portion toward the direction away from the middle portion. 9. The disposable hygroscopic article according to claim 1, characterized in that, the side of the absorbent layer close to the skin-friendly layer is provided with a liquid-conducting pattern. 10. The disposable hygroscopic article according to claim 1, characterized in that, a guide layer is provided between the middle part and the skin-friendly layer, and there is no guide layer between the end part and the skin-friendly layer. flow layer.