CN205698259U - A kind of hygienic article Water-absorption core body - Google Patents

Abstract

The utility model relates to a hygienic water-absorbing core body. The water-absorbing core body includes a diversion layer located on the upper layer and a water-absorbing layer located on the lower layer. The concave surface and the first convex surface are alternately arranged. The water-absorbing layer is composed of the second concave surface and the second convex surface. bonded by an adhesive layer. The utility model has no contact between the polymer water-absorbing particles and the adhesive at all, the polymer water-absorbing particles can be fully utilized, no waste of the polymer water-absorbing particles is caused, and the absorption performance is good; in addition, the concave-convex surface structure can form multiple grooves, It can play a very good role in diversion, and no leakage will occur; at the same time, the concave-convex structure can reduce the contact surface between the water-absorbing core and the skin, reduce skin irritation, and have better safety performance.

Description

Water-absorbing core body for sanitary products

technical field

The utility model relates to a hygienic article, in particular to a water-absorbing core body of the hygienic article.

Background technique

Absorbent cores have a wide range of uses. At present, the absorbent cores of hygienic products on the market, such as sanitary napkins or diapers, are usually made of fluff pulp or non-woven fabrics. A polymer water-absorbing layer is added to the core, but during use of such sanitary napkins or diapers, the water-absorbing core is prone to agglomeration, breakage, or curling. This is mainly because the user will exert a twisting effect on the sanitary napkin or diaper during activities, and the absorbent core will expand after absorbing a certain amount of liquid, so the extrusion or pulling force of each part of the absorbent core will be different. As a result, it is easy to cause the water-absorbent core to clump, break or roll up, which will bring discomfort to the user; in addition, because the water-absorbent core is very dense, the absorption of liquid and the diffusion of liquid are very slow. Absorbing the liquid will bring discomfort and trouble to the user, and cannot satisfy the user's requirement that the user can absorb a large amount of liquid in a short time.

Chinese patent CN101797201 discloses a polymer composite core and a preparation method thereof, relating to a polymer composite core. Provided is a polymer composite core which is mainly used in paper diapers and paper diapers and can realize no lumping, no fracture, and no delamination, and a preparation method thereof. The polymer composite core is provided with a dust-free paper surface layer, a dust-free paper bottom layer and a bulky non-woven fabric layer, and the bulky non-woven fabric layer is arranged between the dust-free paper surface layer and the dust-free paper bottom layer The bottom layer of dust-free paper is bonded with adhesive, and the bulky non-woven fabric layer is uniformly permeated with water-absorbing resin. Urine can quickly and completely penetrate into the polymer composite core. The surface layer of the dust-free paper of the composite core can effectively absorb urine. The polymer water-absorbing resin layer of the polymer composite core can effectively absorb and store urine. The bulky non-woven The cloth layer can make the urine permeate to the bottom layer quickly, so the water absorption capacity is large, and the surface layer can be kept in a relatively dry state, making the human body comfortable. However, in the composite core with the above structure, glue will inevitably wrap the polymer water-absorbing resin on the bonding surface, thereby causing waste of the polymer water-absorbing resin; in addition, due to its planar structure, there are many contact surfaces with the skin , there are certain security risks.

Utility model content

In order to overcome the deficiencies in the prior art, the utility model provides a hygienic water-absorbing core body with a concave-convex surface structure.

A water-absorbing core of a sanitary product, the water-absorbing core includes an upper layer of water-absorbing layer and a lower layer of water-absorbing layer, the water-guiding layer and the water-absorbing layer have a matching concave-convex surface structure, and the water-guiding layer is composed of a first The concave surface and the first convex surface are alternately arranged, the water-absorbing layer is composed of the second concave surface and the second convex surface alternately arranged, the first convex surface is respectively provided with an adhesive layer, and the second concave surface is provided with polymer water-absorbing particles. The flow guiding layer and the water absorbing layer are bonded through an adhesive layer.

Preferably, the flow guide layer is a dust-free paper layer or a non-woven fabric layer.

Preferably, the water-absorbing layer is a dust-free paper layer or a non-woven fabric layer.

Preferably, the first convex surface matches the second convex surface, the first concave surface matches the second concave surface, the distance between adjacent first convex surfaces is 0.5-8.0mm, and the distance between adjacent first concave surfaces is 0.5-2.0mm , the depth is 0.5 ~ 10mm.

The water-absorbing core can be used in sanitary napkins or paper diapers. When used in sanitary napkins, the distance between adjacent first convex surfaces is 0.5-4.0 mm, the distance between adjacent first concave surfaces is 0.5-2.0 mm, and the depth is 0.5-4.0 mm. 3mm. When used in diapers, the distance between adjacent first convex surfaces is 2.0-8.0 mm, the distance between adjacent first concave surfaces is 0.5-2.0 mm, and the depth is 1.0-10 mm.

Preferably, the polymer water-absorbing particles are uniformly dispersed in the second concave surface.

The utility model has no contact between the polymer water-absorbing particles and the adhesive, which can effectively avoid the phenomenon that the adhesive on the bonding surface wraps the polymer water-absorbing particles, and the polymer water-absorbing particles can be fully utilized without causing damage to the polymer water-absorbing particles. Waste, good absorption performance; in addition, the concave-convex surface structure can form multiple grooves, which can play a good role in diverting water and will not leak; at the same time, the concave-convex surface structure can reduce the contact surface between the absorbent core and the skin, Reduce skin irritation, better safety performance.

Description of drawings

Fig. 1 is the structural representation of the water-absorbing core body of the utility model hygienic article;

Fig. 2 is the structural representation of the diversion layer of the present utility model;

Fig. 3 is a schematic structural view of the water-absorbing layer of the present invention.

detailed description

The utility model will be further described below in conjunction with the accompanying drawings and specific embodiments, but the scope of protection of the utility model is not limited thereto.

Example 1

Referring to Figures 1 to 3, a water-absorbing core for sanitary products, the water-absorbing core includes a diversion layer 1 on the upper layer and a water-absorbing layer 2 on the lower layer, the diversion layer and the water-absorbing layer have matching concave-convex surface structures, The diversion layer is composed of alternately arranged first concave surfaces 3 and first convex surfaces 4, the water-absorbing layer is composed of alternately arranged second concave surfaces 5 and second convex surfaces 6, and adhesive layers 7 are respectively arranged on the first convex surfaces 4 The second concave surface 5 is provided with polymer water-absorbing particles 8, and the polymer water-absorbing particles are uniformly dispersed in the second concave surface; the flow-guiding layer and the water-absorbing layer are bonded by an adhesive layer. The guide layer is a dust-free paper layer, and the water-absorbing layer is a dust-free paper layer.

The first convex surface matches the second convex surface, the first concave surface matches the second concave surface, and when the water-absorbing core is used for sanitary napkins, the first convex surface matches the second convex surface, and the first concave surface matches the second concave surface , the distance between adjacent first convex surfaces is 3.0mm, the distance between adjacent first concave surfaces is 1.0mm, and the depth is 2.5mm.

Example 2

Referring to Figures 1 to 3, a water-absorbing core for sanitary products, the water-absorbing core includes a diversion layer 1 on the upper layer and a water-absorbing layer 2 on the lower layer, the diversion layer and the water-absorbing layer have matching concave-convex surface structures, The diversion layer is composed of alternately arranged first concave surfaces 3 and first convex surfaces 4, the water-absorbing layer is composed of alternately arranged second concave surfaces 5 and second convex surfaces 6, and adhesive layers 7 are respectively arranged on the first convex surfaces 4 The second concave surface 5 is provided with polymer water-absorbing particles 8, and the polymer water-absorbing particles are uniformly dispersed in the second concave surface; the flow-guiding layer and the water-absorbing layer are bonded by an adhesive layer. The guide layer is a non-woven fabric layer, and the water-absorbing layer is a non-woven fabric layer.

The first convex surface is matched with the second convex surface, and the first concave surface is matched with the second concave surface. When the water-absorbent core is used in diapers, the distance between adjacent first convex surfaces is 5.5 mm, and the distance between adjacent first concave surfaces is 5.5 mm. is 1.2mm and the depth is 5.5mm.

Example 3

Referring to Figures 1 to 3, a water-absorbing core for sanitary products, the water-absorbing core includes a diversion layer 1 on the upper layer and a water-absorbing layer 2 on the lower layer, the diversion layer and the water-absorbing layer have matching concave-convex surface structures, The diversion layer is composed of alternately arranged first concave surfaces 3 and first convex surfaces 4, the water-absorbing layer is composed of alternately arranged second concave surfaces 5 and second convex surfaces 6, and adhesive layers 7 are respectively arranged on the first convex surfaces 4 The second concave surface 5 is provided with polymer water-absorbing particles 8, and the polymer water-absorbing particles are uniformly dispersed in the second concave surface; the flow-guiding layer and the water-absorbing layer are bonded by an adhesive layer. The guide layer is a dust-free paper layer, and the water-absorbing layer is a non-woven fabric layer.

The first convex surface matches the second convex surface, and the first concave surface matches the second concave surface. The water-absorbing core can be used for sanitary napkins or paper diapers. When used for sanitary napkins, the distance between adjacent first convex surfaces is 4.0 mm. The distance between adjacent first concave surfaces is 2.0mm, and the depth is 3mm. When used in diapers, the distance between adjacent first convex surfaces is 8.0mm, the distance between adjacent first concave surfaces is 2.0mm, and the depth is 10mm.

Example 4

Referring to Figures 1 to 3, a water-absorbing core for sanitary products, the water-absorbing core includes a diversion layer 1 on the upper layer and a water-absorbing layer 2 on the lower layer, the diversion layer and the water-absorbing layer have matching concave-convex surface structures, The diversion layer is composed of alternately arranged first concave surfaces 3 and first convex surfaces 4, the water-absorbing layer is composed of alternately arranged second concave surfaces 5 and second convex surfaces 6, and adhesive layers 7 are respectively arranged on the first convex surfaces 4 The second concave surface 5 is provided with polymer water-absorbing particles 8, and the polymer water-absorbing particles are uniformly dispersed in the second concave surface; the flow-guiding layer and the water-absorbing layer are bonded by an adhesive layer. The guide layer is a non-woven fabric layer, and the water-absorbing layer is a dust-free paper layer.

The first convex surface matches the second convex surface, and the first concave surface matches the second concave surface. The water-absorbing core can be used for sanitary napkins or paper diapers. When used for sanitary napkins, the distance between adjacent first convex surfaces is 0.5mm. The distance between adjacent first concave surfaces is 0.5 mm, and the depth is 0.5 mm. When used in diapers, the distance between adjacent first convex surfaces is 2.0mm, the distance between adjacent first concave surfaces is 0.5mm, and the depth is 1.0mm.

Claims (5)

1. a hygienic article Water-absorption core body, it is characterised in that: described Water-absorption core body includes being positioned at upper strata Guide layer and be positioned at the water accepting layer of lower floor, described guide layer, water accepting layer are match concavo-convex Face structure, described guide layer by the first concave surface, the first convex surface is alternately arranged forms, described suction Water layer by the second concave surface, the second convex surface is alternately arranged forms, described first convex surface sets respectively There is adhesive layer, in the second concave surface, be provided with water absorbing polymer particle, described guide layer and water suction Adhesive layer is passed through bonding between Ceng.

Hygienic article Water-absorption core body the most according to claim 1, it is characterised in that: described water conservancy diversion Layer is dustless ply of paper or nonwoven layer.

Hygienic article Water-absorption core body the most according to claim 1, it is characterised in that: described water suction Layer is dustless ply of paper or nonwoven layer.

Hygienic article Water-absorption core body the most according to claim 1, it is characterised in that: described first Convex surface and the second convex surface match, and the first concave surface and the second concave surface match, adjacent first convex surface it Between spacing be 0.5～8.0mm, between adjacent first concave surface, spacing is 0.5～2.0mm, the degree of depth It is 0.5～10mm.

Hygienic article Water-absorption core body the most according to claim 1, it is characterised in that: described high score Sub-water-absorption particle is dispersed in the second concave surface.