CN215080955U - Novel laminated non-woven fabric - Google Patents

Abstract

The utility model discloses a novel laminated non-woven fabrics, laminated non-woven fabrics is formed by inside and outside two-layer fibre overlapping complex, wherein the fibre line footpath of inlayer substrate reaches 7-20 mu m, the fibre line footpath of outer substrate is below 5 mu m, and the density ratio of outer substrate inlayer substrate density is higher than 40% -60%. The utility model discloses a double-deck fiber structure, its inlayer base material footpath is thick and loose, and outer base material footpath is thin and inseparable, so combination for inside and outside two-layer fibre has formed certain density difference, and under the effect of capillary management principle, outer thin fibre can initiatively absorb the sweat in the inlayer thick fibre and arrange the outside, thereby reduce remaining steam on the skin, reduce the vexed hot sense and the humid sense that produce when wearing.

Description

Novel laminated non-woven fabric

Technical Field

The utility model relates to a chemical fiber technical field, more specifically say, relate to a novel lamination non-woven fabrics.

Background

Disposable absorbent pant-type absorbent products refer to pant-type absorbent products, such as paper diapers and menstrual pants, which are discarded after a single use, come into direct or indirect contact with the human body, and absorb urine or menstrual blood discharged from the human body.

The disposable pants-type absorbent products commonly available in the market all use fiber materials as important components of the products, mainly take the fiber materials as main components, and are convenient to adapt to the sizes, shapes and types of different crowds. When a user wears the paper diaper and menstrual pants, sweat and moisture can be generated to different degrees, and common fiber materials are breathable but not hydrophilic, so that the user feels stuffy feeling and moist feeling when using the paper diaper and menstrual pants, and even skin allergic reaction can be caused in severe cases.

The existing common solutions on the market are basically classified into two types, firstly, a thinner fiber material is adopted as much as possible, and the air permeability of the fiber material is controlled by using the thickness, but the strength of the product is reduced, so that the trousers body is easy to deform, and the moisture permeability problem is not fundamentally solved; secondly, the bare surface of the common fiber material is added with the hydrophilic agent, so that the fiber material can better absorb sweat and moisture, but the method can only improve the water absorption performance and cannot effectively discharge the moisture out of the trousers body, and consumers feel damp and uncomfortable when using the product.

The above-mentioned phenomenon of generally poor moisture permeability of pants-type absorbent products affects the use experience of consumers, especially those who are incontinent and who are about to need, and also brings a certain psychological burden to the consumers, so that it is necessary to improve the cloth of disposable pants-type products to meet the actual needs of the corresponding user groups.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems in the prior art, and provides a laminated non-woven fabric which can rapidly discharge moisture and is dry and breathable so as to overcome the sultry and moist problem when the existing textile products, especially disposable pants type absorption products are worn.

The utility model discloses above-mentioned purpose is realized through following technical scheme:

a novel laminated non-woven fabric is formed by overlapping and compounding an inner layer base material and an outer layer base material, wherein the outer layer base material and the inner layer base material are both made of fiber materials, the density of the outer layer base material is 40% -60% higher than that of the inner layer base material, the fiber diameter of the inner layer base material is 7-20 mu m, and the fiber diameter of the outer layer base material is less than 5 mu m.

Specifically, the inner layer base material is mainly used for being tightly attached to the skin in the wearing and using process, the contact area of the inner layer base material and the skin can be increased due to the thicker fiber diameter, the water absorption and moisture absorption efficiency of the inner side of the non-woven fabric is improved, and the coarse fibers are loosely arranged on the basis to be beneficial to ventilation; the utility model discloses a design point lies in a terminal surface pressfitting of inlayer substrate has outer substrate, the texture of outer substrate is different from the inlayer substrate, and is fine and smooth relatively and inseparable, that is to say that the fabric hole of outer substrate is denser than what the inlayer substrate, and therefore, the density difference between two fabrics can produce capillary phenomenon and arrange the outside in order to make the moisture of inlayer fast, has avoided the muggy moist feeling. The utility model discloses set up the double-deck material that has certain density difference innovatively, deuterogamy the capillary principle on the basis of fully absorbing the sweat, satisfied the reality demand of quick hydrofuge.

As an optimized solution of the present invention, the inner substrate is made of weak hydrophilic material, which includes but is not limited to spandex and polypropylene.

As another optimization scheme of the utility model, the top layer of the inner layer substrate can also be coated with a weak hydrophilic fabric.

The arrangement is that the hydrophilic material added to the inner layer base material in a large area can effectively absorb moisture and sweat, but sweat and moisture can stay in the material, so that the wet feeling is increased after the inner layer base material is worn for a long time, and skin allergy can be caused even in serious cases, so that the relatively dry and weak hydrophilic material is recommended to be coated on the surface of the inner layer base material outside the urine or menstrual blood absorption area instead of a material with obvious hydrophilic water locking effect, such as pure cotton, so as to further promote the moisture discharge of the layer material.

As a further optimization scheme of the present invention, the outer substrate is made of hydrophilic material, and the hydrophilic material includes but is not limited to cotton fiber and hygroscopic synthetic fiber. In the case where the inner layer base material is a weakly hydrophilic material for dryness, the outer layer base material should be a relatively strongly hydrophilic material so as to more effectively absorb sweat from the inner layer.

As the utility model discloses a further optimization scheme, inlayer substrate and outer substrate all run through along the thickness direction and are provided with the fine ventilative pore of a plurality of, of course, the distribution density of fine ventilative pore with the density of inlayer substrate, outer substrate is relevant, and the pore is the substantial basis that forms capillary.

As an optimized proposal of the utility model, the diameter of the fiber wire of the inner layer base material is 10 μm, and the diameter of the fiber wire of the outer layer base material is 5 μm.

As a further optimization scheme of the utility model, the density of the inner layer base material is 20-25 g/km.

As a further optimization scheme of the utility model, the compound form of inlayer substrate and outer substrate is including but not limited to hot melt adhesive scribble to spout bonding, thermal overlapping compound, ultrasonic bonding.

It is supplementary to explain, the utility model discloses a novel lamination non-woven fabrics with double-deck fiber structure, this non-woven fabrics not only can be applied to disposable trousers type absorption products such as panty-shape diapers, menstrual period trousers, can also be applied to various needs such as ordinary protective clothing and block filth and keep dry and comfortable ventilative sight.

Compared with the prior art, the beneficial effects of the utility model are that:

the laminated non-woven fabric is of a double-layer fiber structure, the inner layer of the laminated non-woven fabric is thick and loose in diameter, and the outer layer of the laminated non-woven fabric is fine and compact, so that the inner layer of the laminated non-woven fabric and the outer layer of the laminated non-woven fabric form touch feeling with large contrast and bring certain density difference; after the sweat is contacted with the sweat, the sweat can be quickly absorbed by the inner layer coarse fibers, and due to the capillary phenomenon formed by the density difference, the outer layer fine fibers can actively absorb the sweat in the inner layer coarse fibers and discharge the sweat to the outside, so that the residual water vapor on the skin is reduced, and the stuffy feeling and the damp feeling are reduced; in addition, the regional weak hydrophilic material that scribbles that covers of inlayer substrate surface further accelerates the hydrofuge rate, avoids the skin problem that excessively wets for a long time and appear, promotes use comfort.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a schematic cross-sectional view of a partial layer of an embodiment;

FIG. 2 is a schematic view showing the distribution of a weakly hydrophilic material according to an embodiment;

in the figure, 1-inner substrate; 2-outer layer substrate.

Detailed Description

The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Referring to fig. 1, the present embodiment provides a novel laminated nonwoven fabric for diapers, the laminated nonwoven fabric is formed by overlapping and compounding an inner layer and an outer layer of fibers, wherein the inner layer of substrate 1 is a thick fiber with a fiber diameter of 7-20 μm, and the outer layer of substrate 2 is a thin fiber with a fiber diameter of less than 5 μm; in addition, the density of the inner base material 1 is 20-25g/km, and the density of the outer base material 2 is 40-60% higher than that of the inner base material; the laminated non-woven fabric has the texture characteristics that the inner layer structure is coarse and loose relative to the lines, and the outer layer structure is fine and compact. Because the moisture of human skin surface secretion mainly includes gaseous moisture and liquid sweat, when wearing panty-shape diapers, can be filled with a large amount of moisture and moisture in the trousers body and the region of skin contact, this embodiment absorbs moisture fast through thicker inlayer substrate and cooperates inside and outside density difference and forms capillary phenomenon, impels outer substrate 2 attracts sweat and steam in the inlayer substrate 1 arrive the outside side by side to can bring ventilative moisture permeable's experience sense at the in-process of wearing.

In addition, in order to further reduce the discomfort of the skin caused by the continuous contact with the skin of the buttocks after the sweat absorption at the inner side of the laminated nonwoven fabric, the inner layer base material 1 is made of a weakly hydrophilic material such as spandex, polypropylene and the like with a fine pore path, so that the moisture discharge rate of the layer material is increased, and a dry touch feeling is provided.

Of course, in other embodiments, the inner layer substrate 1 may be coated with a weak hydrophilic fabric made of synthetic fiber only in the area contacting with the skin of the human body, and filled with a more flexible lining material to ensure the wearing comfort of the user. However, in any case, the inner layer substrate 1 and the outer layer substrate 2 should have at least dense fine air holes along the thickness direction, so as to provide a substantial basis for the generation of the capillary phenomenon.

In this embodiment, in the case where the inner layer base material 1 is made of a weakly hydrophilic material for dryness, the outer layer base material 2 is made of a material having relatively strong hydrophilicity, for example, natural fibers such as pure cotton as a main component, so that sweat in the inner layer is more effectively absorbed.

It should be noted that the main performance of the diaper is urine absorption capacity, the region corresponding to the crotch of the user should be provided with a conventional absorbent core, a polymer water absorbent and a plastic film, the laminated nonwoven fabric of the present embodiment mainly plays a role of rapid perspiration and drainage, and the aforesaid urine absorption region should be avoided during the setting, and the main performance corresponds to the body surface area with rich sweat glands (see fig. 2).

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.

Claims (8)

1. A novel laminated nonwoven fabric is characterized in that: the laminated non-woven fabric is formed by overlapping and compounding an inner layer base material and an outer layer base material, wherein the outer layer base material and the inner layer base material are both made of fiber materials, the density of the outer layer base material is 40% -60% higher than that of the inner layer base material, the fiber wire diameter of the inner layer base material is 7-20 mu m, and the fiber wire diameter of the outer layer base material is less than 5 mu m.

2. A novel laminated nonwoven fabric according to claim 1, characterized in that: the inner layer base material is made of weak hydrophilic materials including but not limited to spandex and polypropylene.

3. A novel laminated nonwoven fabric according to claim 1, characterized in that: the surface layer of the inner layer substrate is coated with a weak hydrophilic fabric.

4. A novel laminated nonwoven fabric according to claim 2 or 3, characterized in that: the outer layer base material is made of hydrophilic materials, and the hydrophilic materials include but are not limited to cotton fibers and hygroscopic synthetic fibers.

5. A novel laminated nonwoven fabric according to claim 4, characterized in that: the inner layer base material and the outer layer base material are both provided with a plurality of fine air permeable channels along the thickness direction in a penetrating way.

6. A novel laminated nonwoven fabric according to claim 1, characterized in that: the fiber linear diameter of the inner layer base material is 10 mu m, and the fiber linear diameter of the outer layer base material is 5 mu m.

7. A novel laminated nonwoven fabric according to claim 1, characterized in that: the density of the inner layer substrate is 20-25 g/km.

8. A novel laminated nonwoven fabric according to claim 1, characterized in that: the composite form of the inner layer substrate and the outer layer substrate includes but is not limited to hot melt adhesive coating and spraying bonding, thermal overlapping and compounding and ultrasonic bonding.

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