CN215192996U - Sanitary towel without rubber core - Google Patents

Abstract

The utility model provides a no gluey core sanitary towel, includes, hydrophilic surface course, sets up the absorption core of the below of hydrophilic surface course, with the absorption core come to bear the foundation film layer and set up and be in hydrophilic surface course and the side edge covering layer of absorption core side, the core that absorbs water include, absorb water inlayer, cladding be in absorb water inlayer outside protect water layer and be fixed in protect the water conservancy diversion layer at water layer upper surface middle part, the absorption core by non-woven fabrics, ES fibre and cloth in the ES fibre in water absorption macromolecular material constitute, hydrophilic surface course with the water conservancy diversion layer between be provided with outer diffusion barrier. The utility model discloses a this kind of design makes this product possess and oozes fast, and reverse osmosis is little, advantages such as softness.

Description

Sanitary towel without rubber core

Technical Field

The utility model relates to the field of sanitary articles, especially, relate to a no rubber core body sanitary towel.

Background

Sanitary napkins are indispensable articles for female life, and various kinds of sanitary napkins in various markets have various advantages, such as dryness, softness, and the like, but are still insufficient in preventing liquid from seeping back.

Chinese patent with application number CN202020178450.0 discloses an ultra-thin soft sanitary napkin, which comprises an absorption core body, wherein the absorption core body comprises a wrapping surface layer and an absorption structure layer completely wrapped in the wrapping surface layer, and the absorption structure layer comprises a non-woven fabric layer and a super absorbent fiber layer uniformly tiled on the non-woven fabric layer. In the patent, only a wrapping surface layer for preventing rewet is arranged outside an absorption core layer, and under certain conditions, when liquid in a certain part of the sanitary towel is increased, the liquid cannot spread around the absorption layer, and the part is pressed to cause rewet of the liquid, so that the user experience is influenced; meanwhile, the wrapping surface layer adopts ES fiber wood pulp spunlace, so that the product is not soft enough after hot air bonding.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a sanitary towel without a rubber core body.

The technical scheme of the utility model as follows:

the utility model provides a no gluey core sanitary towel, includes, hydrophilic surface course, sets up the absorbed layer of the below of hydrophilic surface course, with the absorbed layer basement membrane layer of laminating mutually and setting up and be in the side edge covering layer of hydrophilic surface course and absorbed layer side, a serial communication port, the absorbed layer include, absorb core, cladding be in the absorption core outside protect water the layer and be fixed in protect water the water conservancy diversion layer at layer upper surface middle part, the absorption core by non-woven fabrics, ES fibre and cloth in the ES fibre in the hydroscopicity macromolecular material constitute, hydrophilic surface course with the water conservancy diversion layer between be provided with the drainage layer.

In the prior art, the phenomenon of rewet is usually weakened by means of the diffusion of liquid in a water absorption layer, when the absorbent pad is used, the permeated liquid can diffuse to a dry part in the water absorption layer, so that the liquid in each part in the water absorption layer is not saturated, the liquid is not easy to rewet from the water absorption layer, and the uncomfortable feeling is brought to a user; however, the water-absorbing layer is only in an ideal state under a static state, and is difficult to move in the using process in real life, and accordingly, the water-absorbing layer is locally compressed, local diffusion is blocked, liquid can permeate back at the part, and user experience is affected; simultaneously adopt among the prior art be ES fibre wood pulp spunlace cloth and connect, the core is connected too closely, can make the product harden, has also reduced the comfort that the user used.

In the technical scheme, the outer diffusion layer is blue cotton with good excellent water absorption performance, in the using process, liquid penetrates through the hydrophilic surface layer and enters the blue cotton layer, the liquid is rapidly diffused in the layer along the longitudinal direction and the horizontal direction, then rapidly infiltrates under the action of the flow guide layer and is absorbed by the water absorption core layer, and further diffuses in the water absorption core layer again, so that the absorption speed of the liquid by the product is accelerated, the liquid is rapidly dispersed, and even if the liquid is locally compressed by external force, the water absorption core layer cannot be caused to have sufficient amount of rewet; the water retention layer is made of dust-free paper, has good water absorption and water retention, and ensures that liquid cannot seep back to a certain extent; meanwhile, the absorption core body is composed of hot air cloth, ES fibers and water-absorbing high polymer materials distributed in the ES fibers, the absorption core body can be adhered without a pressing process or a sizing process, and the absorption core body can be adhered only through heat treatment, so that the absorption core body is soft and comfortable.

Preferably, the width of the outer diffusion layer is 1/4-2/3 of the width of the hydrophilic surface layer.

Further preferably, the width of the outer diffusion layer is 1/2 times the width of the hydrophilic surface layer.

In the technical scheme, the water absorption of the diffusion outer layer enables the diffusion outer layer to absorb a small part of liquid without being transmitted, the diffusion outer layer which absorbs the liquid possibly has the possibility of occurring rewet, the area of the diffusion outer layer is reduced, so that the amount of the liquid which can be absorbed by the diffusion outer layer is reduced, and the probability of occurring rewet is further reduced.

Preferably, the width of the flow guide layer is 2/3-3/4 of the width of the hydrophilic surface layer.

In the above technical solution, the flow guiding layer has the function of accelerating the process of liquid infiltration, and the liquid transferred from the upper surface mainly comes from the outer diffusion layer, and a small amount of liquid directly seeps from the hydrophilic surface layer, so the area of the flow guiding layer is larger than that of the outer diffusion layer.

Preferably, the non-woven fabric is hot air fabric, the core body is more convenient to process, the inner core can be bonded only by hot air treatment, and the formed product is soft and fluffy.

Preferably, the ES fibers are also provided with fluff pulp fibers, and the absorbent core body is more fluffy and soft by arranging the fluff pulp fibers in the ES fibers.

Preferably, the water-absorbing polymer material is polyacrylic acid water-absorbing resin particles.

Preferably, the side layer of borduring with hydrophilic surface glue even, the side layer of borduring with the basement membrane layer glue even, hydrophilic surface with the drainage layer glue even, the drainage layer with the water conservancy diversion layer glue even, the water conservancy diversion layer with the layer of protecting water glue even, the layer of protecting water with the absorption core glue even.

In the technical scheme, the parts of the hydrophilic surface layer, which are contacted with the diversion layer, are glued together, so that the permeability of the parts to water is reduced, and the liquid is further prevented from back seepage.

Preferably, the side edge covering layer has a double-layer structure at the part glued with the hydrophilic surface layer.

In this technical scheme, the part of reserving out at side layer of borduring folds down and goes to form bilayer structure, can prevent the limit perk of side layer of borduring, the thin and short polyester fiber of perk pricks the user, has avoided the product to bring the bad use experience of customer.

Preferably, the hydrophilic surface layer, the water absorbing core layer, the flow guide layer, the outer diffusion layer and the bottom film layer are symmetrical about the same plane in the width direction.

Preferably, the side edge covering layer and the bottom film layer extend to two sides along the direction of the bottom film layer to form a protective wing.

Preferably, the underwear adhering part and the two side wing parts of the bottom film layer are respectively provided with glue water levels, and the glue water levels are respectively provided with areas 0.2-1 cm larger than the areas of the glue water levels²The release paper of (1).

Preferably, the bottom of the mulching film layer is further provided with a packaging film for packaging the sanitary napkin, and one end of the packaging film is fixedly connected with a glue position in the middle of the packaging film.

To sum up, the beneficial effects of the utility model are that:

1. in the utility model, the outer diffusion layer is blue cotton with good excellent water absorption performance, in the use process, liquid penetrates through the hydrophilic surface layer to enter the blue cotton layer, the liquid rapidly diffuses along the longitudinal direction and the horizontal direction on the layer, then rapidly infiltrates under the action of the flow guide layer to be absorbed by the water absorption core layer, and further diffuses on the water absorption core layer again, so that the absorption speed of the liquid by the product is accelerated, the liquid is rapidly dispersed, and even if the liquid is locally compressed by external force, the water absorption core layer cannot be caused to have sufficient amount of infiltration; the water retention layer is made of dust-free paper, has good water absorption and water retention, and ensures that liquid cannot seep back to a certain extent;

2. in the utility model, the water absorption core layer consists of hot air cloth, ES fibers and water absorption polymer materials distributed in the ES fibers, the absorption core body can be adhered without using a pressing process or a gluing process, and the bonding can be realized only by heat treatment, so that the manufacture is convenient, and the product has the advantages of softness, comfort, quick liquid infiltration and the like;

3. the utility model discloses in, glue water level on respectively be provided with the area ratio glue water level's area big 0.2~1cm²The release paper is convenient for a user to take off the release paper when in use.

Drawings

FIG. 1 is a schematic cross-sectional view in the width direction of a sanitary napkin when it is unfolded

FIG. 2 is a schematic view of the structure of a water absorbent core layer

In the figure, 1-hydrophilic surface layer, 2-absorption layer, 3-bottom film layer, 4-side edge wrapping layer, 21-water absorption core layer, 22-water retention layer, 23-diversion layer, 24-external diffusion layer, 211-non-woven fabric, 212-ES fiber and 213-protective wing.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

The utility model provides a no gluey core sanitary towel, includes, hydrophilic surface course 1, sets up the absorbed layer 2 of the below of hydrophilic surface course 1, with absorbed layer 2 laminate mutually the basement membrane layer 3 and set up and be in the side edge covering layer 4 of hydrophilic surface course 1 and absorbed layer 2 side, absorbed layer 2 include, absorb core 21, cladding be in the absorption core 21 outside protect water layer 22 and be fixed in protect water layer 22 upper surface middle part's water conservancy diversion layer 23, absorption core 21 by hot-blast cloth 211, ES fibre 212 and cloth in ES fibre 212 in the hydroscopicity macromolecular material constitute, hydrophilic surface course 1 with water conservancy diversion layer 23 between be provided with drainage layer 24.

The width of the drainage layer 24 is 1/4-2/3 of the width of the hydrophilic surface layer 1.

The width of the flow guide layer 23 is 2/3-3/4 of the width of the hydrophilic surface layer 1.

Fluff pulp fibers are distributed in the ES fibers 212.

The water-absorbing high polymer material is polyacrylic acid water-absorbing resin particles.

Side layer of borduring 4 with hydrophilic surface course 1 glue even, side layer of borduring 4 with basement membrane layer 3 glue even, hydrophilic surface course 1 with drainage layer 24 glue even, drainage layer 24 with diversion layer 23 glue even, the diversion layer with guarantor's water layer 22 glue even, guarantor's water layer 22 with absorption core 21 glue even. The side edge covering layer 4 is of a double-layer structure at the part glued with the hydrophilic surface layer 1.

The hydrophilic surface layer 1, the water absorption core layer 21, the flow guide layer 23, the outer diffusion layer 24 and the bottom film layer 3 are symmetrical about the same plane in the width direction.

The side edge covering layer 4 and the bottom film layer 3 extend towards two sides along the direction of the bottom film layer 3 to form wings 213.

The underwear adhering part and the two side wing parts of the bottom film layer 3 are respectively provided with glue water levels, and the glue water levels are respectively provided with areas which are 0.25cm larger than the areas of the glue water levels²The release paper of (1).

The bottom of the plastic film layer is also provided with a packaging film for packaging the sanitary napkin, and one end of the packaging film is fixedly connected with a glue position in the middle of the packaging film.

Claims (10)

1. The utility model provides a no gluey core body sanitary towel, includes, hydrophilic surface course (1), sets up absorbent layer (2) of the below of hydrophilic surface course (1), with absorbent layer (2) basement membrane layer (3) and the setting of laminating mutually be in side edge covering layer (4) of hydrophilic surface course (1) and absorbent layer (2) side, a serial communication port, absorbent layer (2) include, absorb core (21), the cladding absorption core (21) outside protect water layer (22) and be fixed in protect water layer (22) upper surface middle part lead flow layer (23), absorption core (21) by non-woven fabrics (211), ES fibre (212) and cloth in ES fibre (212) in water absorption high molecular material constitute, hydrophilic surface course (1) with lead flow layer (23) between be provided with and lead flow layer (24).

2. A sanitary napkin without an adhesive core according to claim 1, wherein the width of the drainage layer (24) is 1/4-2/3 of the width of the hydrophilic face layer (1).

3. A sanitary napkin without an adhesive core according to claim 1, wherein the width of the flow guide layer (23) is 2/3-3/4 of the width of the hydrophilic face layer (1).

4. A sanitary napkin without a jellyroll as claimed in claim 1, wherein said ES fibers (212) further comprise fluff pulp fibers.

5. The sanitary napkin without a gel core as claimed in claim 1, wherein the water-absorbent polymer material is polyacrylic acid water-absorbent resin particles.

6. The sanitary napkin without the adhesive core body according to claim 1, wherein said side edge-covering layer (4) is adhered to said hydrophilic surface layer (1), said side edge-covering layer (4) is adhered to said bottom film layer (3), said hydrophilic surface layer (1) is adhered to said drainage layer (24), said drainage layer (24) is adhered to said drainage layer (23), said drainage layer is adhered to said water retention layer (22), said water retention layer (22) is adhered to said absorption core body (21).

7. A sanitary napkin without an adhesive core according to claim 5, wherein the side edge covering layer (4) is bonded to the hydrophilic surface layer (1) in a double layer structure.

8. A sanitary napkin without an adhesive core according to claim 1, wherein the hydrophilic surface layer (1), the absorbent core (21), the flow guiding layer (23), the flow guiding layer (24) and the backsheet layer (3) are symmetrical about the same plane in the width direction.

9. A sanitary napkin without an adhesive core according to claim 1, wherein said side wrapper (4) and said backsheet layer (3) extend laterally in the direction of the backsheet layer (3) to form flaps (213).

10. A sanitary napkin without an adhesive core according to claim 8, wherein the panty-bonding portion and the two side flaps of the backsheet layer (3) are provided with respective adhesive levels, each of said adhesive levelsThe area of the glue level is 0.2-1 cm larger than that of the glue level²The release paper of (1).

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