CN219076730U

CN219076730U - Dampproof composite non-woven fabric

Info

Publication number: CN219076730U
Application number: CN202320072949.7U
Authority: CN
Inventors: 邱宗源; 邱于建
Original assignee: Tesi China Co ltd
Current assignee: Tesi China Co ltd
Priority date: 2023-01-10
Filing date: 2023-01-10
Publication date: 2023-05-26
Anticipated expiration: 2033-01-10

Abstract

The utility model discloses a dampproof composite non-woven fabric, which belongs to the technical field of fabrics and comprises a non-woven fabric base layer, wherein a dampproof layer is arranged on the non-woven fabric base layer, the dampproof layer comprises a support piece formed by hot pressing, the cross section of the support piece is wavy, a plurality of expansion cavities are formed in the support piece, a moisture absorption layer is arranged in the expansion cavities, a composite surface layer is arranged on one side of the dampproof layer far away from the non-woven fabric base layer, and the expansion space formed by the support piece is utilized to enable the moisture absorption layer to expand in the expansion space after moisture absorption, so that the whole composite non-woven fabric does not become swelling after moisture absorption, and the use is more convenient.

Description

Dampproof composite non-woven fabric

Technical Field

The utility model discloses a moistureproof composite non-woven fabric, and belongs to the technical field of fabrics.

Background

The nonwoven fabric is a fabric produced by needling or thermal bonding, and is called a nonwoven fabric because it is not woven.

Regarding non-woven fabrics, a lot of non-woven fabrics can be applied to the fields of clothing or medical supplies, wherein a dampproof antibacterial non-woven fabric with a patent publication number of CN214774396U proposes a technical scheme, which comprises a non-woven fabric layer, wherein a plurality of pits which are uniformly distributed are arranged on the inner surface of the non-woven fabric layer, and a dampproof layer, an antibacterial layer, an active carbon layer and a waterproof surface layer are sequentially arranged on the outer surface of the non-woven fabric layer; the moisture-proof layer comprises a plurality of water-absorbent resin fiber layers, and the water-absorbent resin fiber layers are connected together in a needling compound mode; the antibacterial layer is a polylactic acid antibacterial fabric layer; the active carbon layer comprises a fiber net, and active carbon powder is filled in the fiber net; the non-woven fabric layer, the moisture-proof layer, the antibacterial layer, the activated carbon layer and the waterproof surface layer are integrated through hot melt adhesive; the non-woven fabric has good dampproof and breathable functions, can effectively inhibit bacteria and viruses, and can meet production requirements of medical supplies and sanitary supplies.

However, the moisture-proof method in the above application is realized by absorbing moisture in the non-woven fabric and the vicinity thereof by means of the moisture-proof layer, so that although the moisture-proof effect is achieved on the surface, the moisture-absorbing resin fibers in the moisture-proof layer can rapidly expand to several times as large after absorbing moisture, so that the whole composite fabric becomes bulkier and can influence normal use, and therefore, the application provides another technical scheme for solving the moisture-proof problem of the non-woven fabric.

Disclosure of Invention

The utility model aims to solve the problems and provide a moistureproof composite non-woven fabric.

The moisture-proof composite non-woven fabric comprises a non-woven fabric base layer, wherein a moisture-proof layer is arranged on the non-woven fabric base layer, the moisture-proof layer comprises a support piece which is formed by hot pressing, the section of the support piece is wavy and is provided with a plurality of expansion cavities, the support piece is internally provided with a moisture absorption layer, and one side of the moisture-proof layer far away from the non-woven fabric base layer is provided with a composite surface layer.

Preferably, the two sides of the supporting piece are adhered with net-shaped high-strength fiber layers.

Preferably, a nano waterproof coating is arranged on one side of the composite surface layer far away from the moisture-proof layer.

Preferably, the moisture absorption layer is formed by needling a plurality of flax fiber filaments.

Preferably, the non-woven fabric base layer is formed by needling a plurality of bamboo charcoal fiber filaments.

Preferably, the net-shaped high-strength fiber layer is woven by a plurality of carbon fiber filaments.

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

the moisture-proof layer is arranged in the composite non-woven fabric, so that moisture near the non-woven fabric can be absorbed to achieve a moisture-proof effect, the moisture-proof layer consists of the supporting piece and the moisture-absorbing layer, the supporting piece can support the moisture-proof layer and form an expansion space, the moisture-absorbing layer can absorb moisture and expand after absorbing, and due to the arrangement of the expansion space and the reticular high-strength fiber layer, the expanded moisture-absorbing layer can not enable the non-woven fabric to deform and swell, so that inconvenience in use caused by the swelling of the non-woven fabric can be avoided.

Drawings

Fig. 1 is a schematic cross-sectional structure of the present utility model.

Reference numerals: 1. a non-woven fabric base layer; 2. a support; 3. an expansion cavity; 4. a moisture absorption layer; 5. a composite surface layer; 6. a mesh-like high strength fibrous layer; 7. a nano waterproof coating.

Detailed Description

In the following description of the present utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model, and it is obvious that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The moistureproof composite non-woven fabric is shown in fig. 1, and comprises a non-woven fabric base layer 1, wherein the non-woven fabric base layer 1 is formed by needling a plurality of bamboo carbon fiber yarns, and the bamboo carbon fiber yarns are prepared from moso bamboo as a raw material by adopting a new calcining process and a new calcining technology of pure oxygen high temperature and nitrogen blocking delay, so that micropores of the bamboo carbon are finer and more cellular, and then the bamboo carbon is melt-spun with polyester modified slices with cellular structure trend to prepare the moistureproof composite non-woven fabric.

The non-woven fabric base layer 1 is further compounded with a moisture-proof layer, the moisture-proof layer comprises a supporting piece 2, the supporting piece 2 is formed by taking a thermoplastic elastomer as a raw material and adopting a hot pressing process, the moisture-proof layer has good elasticity and supporting performance, the section of the supporting piece 2 is wavy, the supporting piece is compounded with the non-woven fabric base layer 1 in an adhering mode, a plurality of expansion cavities 3 distributed at intervals can be formed between the supporting piece and the non-woven fabric base layer, the supporting piece 2 is provided with a moisture-absorbing layer 4 in the expansion cavities 3, the moisture-absorbing layer 4 can absorb the non-woven fabric base layer 1 and surrounding moisture, the moisture-absorbing layer is made by a plurality of flax fiber filaments through a needling method, a large number of pores exist in the middle of the flax fiber filaments, the moisture-absorbing layer 4 can absorb moisture which is 20 times of the weight of the flax fiber filaments, and because the moisture-absorbing layer 4 is subjected to needling forming, a certain expansion can be generated after the moisture-absorbing layer absorbs water, and the non-woven fabric can not deform.

The dampproof course is kept away from still compounded compound top layer 5 through the mode of bonding on the one side of non-woven fabrics basic unit 1, and be provided with nanometer waterproof coating 7 on the one side of dampproof course is kept away from to compound top layer 5, nanometer waterproof coating 7 is as the top layer, can play waterproof mould proof effect, isolated external moisture for the non-woven fabrics can not absorb external moisture, thereby increase damp-proofing effect, and also can form a plurality of expansion cavity 3 between compound top layer 5 and the support piece 2, thereby increased the moisture absorption area of dampproof course, increased its dampproofing effect.

The net-shaped high-strength fiber layers 6 are adhered to the two sides of the supporting piece 2, the net-shaped high-strength fiber layers 6 are woven by a plurality of carbon fiber wires, the carbon fiber wires have quite high strength, the expansion cavity 3 is supported while the integral strength of the non-woven fabric is improved, and when the moisture absorption layer 4 continuously absorbs moisture and expands, the net-shaped high-strength fiber layers 6 limit the moisture absorption layer, so that the net-shaped high-strength fiber layers cannot expand to the ejection expansion cavity 3, and the composite non-woven fabric is further ensured not to deform.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. Dampproofing compound non-woven fabrics, including non-woven fabrics basic unit (1), its characterized in that: be provided with the dampproof course on non-woven fabrics basic unit (1), the dampproof course includes hot briquetting's support piece (2), the cross-section of support piece (2) is the wave to be formed with a plurality of inflation cavity (3), support piece (2) are provided with moisture absorption layer (4) in inflation cavity (3), be provided with composite surface layer (5) on the one side that the dampproof course kept away from non-woven fabrics basic unit (1).

2. The moisture resistant composite nonwoven fabric of claim 1, wherein: and the two sides of the supporting piece (2) are adhered with a net-shaped high-strength fiber layer (6).

3. The moisture resistant composite nonwoven fabric of claim 1, wherein: the side of the composite surface layer (5) far away from the moisture-proof layer is provided with a nano waterproof coating (7).

4. The moisture resistant composite nonwoven fabric of claim 1, wherein: the moisture absorption layer (4) is formed by needling a plurality of flax fiber filaments.

5. The moisture resistant composite nonwoven fabric of claim 1, wherein: the non-woven fabric base layer (1) is formed by needling a plurality of bamboo charcoal fiber filaments.

6. The moisture resistant composite nonwoven fabric of claim 2, wherein: the net-shaped high-strength fiber layer (6) is formed by weaving a plurality of carbon fiber filaments.