CN209888312U - Waterproof cloth - Google Patents

Abstract

The utility model discloses a waterproof cloth, which relates to the technical field of textile cloth and aims to solve the technical problem that the cloth is easily wetted by water; the surface of the waterproof film is provided with a water-resisting layer, and the water-resisting layer adds a crossed weaving process on the basis of a base material layer weaving process, so that the aperture of gaps between the cloth is smaller, and water drops are not easy to permeate through; through setting up water proof membrane and reducing the inside gap aperture that easily makes the drop of water infiltration pass of cloth, reached and made cloth possess waterproof performance's effect.

Description

Waterproof cloth

Technical Field

The utility model relates to a weaving cloth technical field, more specifically say, it relates to a waterproof cloth.

Background

At present, along with the continuous improvement of the living standard of people, people have higher requirements on the comfort and the functionality of clothes and cloth. Regardless of color, material and brand, people of different grades have different opinions and standards, and the improvement and innovation of the cloth are closely related to the tendency of people to have good life and the pursuit of people to have happy life.

The prior Chinese patent with the application number of CN201810508628.0 provides cloth which comprises warps made of Shengma fiber and wefts made of polyester fiber, wherein the warps and the wefts are interwoven to form the cloth which has the advantages of good thermal conductivity, skin friendliness, softness and comfortable wearing.

However, the cloth is easily soaked by water, and the water-wet clothes are caused by the fact that the cloth is made of materials and the connection structure in the cloth is not tight, and the aperture of a large gap exists; polyester fiber is a well-known cloth with extremely poor hygroscopicity, is extremely easy to wet through and completely has no waterproof effect, so that the polyester fiber needs to be improved.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a waterproof cloth, its advantage that has effective moisture infiltration entering cloth that reduces.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the waterproof cloth comprises a base material layer, wherein a waterproof film is arranged on the surface of one of the base material layers, and a water-resisting layer is arranged on the outer surface, far away from the base material layer, of the waterproof film.

By adopting the technical scheme, the waterproof film is made of the polyurethane breathable film, so that water drop permeation can be effectively prevented; the waterproof layer adds a cross weaving process on the process of interweaving the warp and weft of the base material layer, so that the aperture of gaps between the cloth becomes smaller, and water drops are not easy to permeate through; further reduce the inside gap aperture of cloth on the basis of separation drop infiltration to the waterproof performance of cloth has greatly been improved.

Furthermore, the outer surface of the water-resisting layer far away from the waterproof film is sprayed with a water-dispersing layer.

By adopting the technical scheme, the water-dispersing layer is sprayed on the surface of the waterproof layer in a gas form after being liquefied by the SBS waterborne polyurethane waterproof coating under high pressure, and water flow reaches the surface of the water-dispersing layer and is automatically dispersed and separated, and is difficult to stay.

Further, a gasification layer is arranged between the water-resisting layer and the waterproof film.

By adopting the technical scheme, the gasification layer is made of the cloth made of the polyester fiber, and can quickly evaporate and take away the entering water, so that the water reaching the base material layer is reduced.

Furthermore, a plurality of irregular air dispersion holes penetrate through the gasification layer along the thickness direction of the gasification layer.

By adopting the technical scheme, the contact area of the polyester fiber and the water drops permeated into the polyester fiber is greatly increased through the irregular air holes, so that the strength of evaporating water vapor in the gasification layer is enhanced; meanwhile, the air permeability of the cloth is facilitated.

Furthermore, the outer surface of the base material layer far away from the waterproof film direction is provided with a glue layer for preventing water permeation.

By adopting the technical scheme, the glue layer is a coating solvent taking PU glue as raw material, has extremely high anti-seepage effect on water permeating from one end of the base material layer, and further enhances the waterproof effect of the cloth.

Further, an anti-static layer is arranged between the glue layer and the base material layer.

By adopting the technical scheme, the warp and weft are made by interweaving polyester filaments, and the conductive fibers are arranged at the interweaving points of the warp and weft in an inserting manner, so that the static electricity which is easy to generate after the polyester fibers are wetted can be obviously reduced.

Furthermore, a plurality of pressure adhesive tapes are arranged on the outer surface of the adhesive layer in the direction away from the anti-static layer.

Through adopting above-mentioned technical scheme, the moulding strip uses PE to glue as the raw materials, directly brands the glue film surface by hot-pressing gluing machine, has effectively reduced the phenomenon that base material layer one end moisture permeates from glue film edge.

Furthermore, a plurality of rolling ribs are arranged on the surface of the rubber pressing strip, and two ends of each rolling rib are connected with the rubber layer.

Through adopting above-mentioned technical scheme, roll the muscle and brand on moulding strip surface through the machine, greatly strengthened moulding strip and passed through the effect to the prevention of seepage of moisture, further improved the water-proof effects of cloth.

To sum up, the utility model discloses following beneficial effect has:

1. the waterproof film is additionally arranged to block moisture permeation, the waterproof layer is arranged on the surface of the waterproof film, and the aperture of a gap between the cloth is made smaller by adding a cross weaving process to prevent water drops from permeating, so that the waterproof effect of the cloth is further enhanced;

2. set up the water-dispersing layer and make the drop of water be difficult to stop on the cloth surface, set up the moisture that the gasification layer got into the cloth with the evaporation, set up the glue film and prevent moisture infiltration, set up the prevention of seepage effect that the pressure adhesive tape further increased the glue film.

Drawings

FIG. 1 is a schematic sectional view of a tarpaulin according to an embodiment;

FIG. 2 is a schematic diagram of a connection relationship for embodying an interleaving process of a binder layer in the embodiment;

FIG. 3 is a schematic diagram showing the position relationship of irregular gas diffusion holes in a gasification layer in the embodiment;

FIG. 4 is a schematic connection diagram for implementing a water-barrier interleaving process in the embodiment;

FIG. 5 is a schematic diagram showing the positional relationship of conductive fibers during the interlacing of an antistatic layer in the embodiment;

FIG. 6 is a schematic diagram for showing the connection relationship of the glue pressing strip, the rolled rib and the glue layer in the embodiment.

In the figure: 1. a base material layer; 2. a waterproof film; 3. a water barrier layer; 4. a water dispersion layer; 5. a gasification layer; 6. irregular air dispersion holes; 7. an antistatic layer; 701. a conductive fiber; 8. a glue layer; 801. pressing an adhesive tape; 802. and (6) rolling ribs.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

a waterproof cloth, refer to fig. 1 and 2, comprises a base material layer 1, wherein the base material layer 1 is a basic cloth made by interweaving warps made of Shengma fiber and wefts made of polyester fiber, and has the effect of making people feel soft and comfortable after wearing.

Referring to fig. 1 and 4, a waterproof film 2 covers the surface of the base material layer 1, and the waterproof film 2 is a polyurethane breathable film and can prevent water drops from permeating the cloth, so that the cloth has a certain waterproof effect; the outer surface of the waterproof film 2 far away from the base material layer 1 is covered with a water-resisting layer 3, and the waterproof film 2 and the base material layer 1 are clamped by the water-resisting layer 3 and are sewn in a line rolling mode; the waterproof layer 3 is formed by adding a crossed weaving process on the basis of the weaving process of the base material layer 1, and two yarns are obliquely added on the warp and weft weaving nodes, so that the tightness of the internal interweaving connection of the cloth is higher, the aperture of a gap is smaller, water drops are not easy to penetrate through the gap, and the waterproof performance of the cloth is further improved.

Referring to fig. 1, a water-spreading layer 4 is sprayed on the surface of a water-resisting layer 3, the water-spreading layer 4 is formed by liquefying SBS waterborne polyurethane waterproof paint at high pressure and then spraying the liquefied SBS waterborne polyurethane waterproof paint on the surface of the water-resisting layer 3 in a gas form, so that water flow can automatically spread out after reaching the surface of the water-spreading layer 4 and is difficult to stay.

Referring to fig. 1 and 3, a gasification layer 5 is arranged between the waterproof film 2 and the waterproof layer 3, and the gasification layer 5 and the waterproof layer 3 are sewn in a rolling manner; the gasification layer 5 is a layer of cloth made of polyester fiber, the polyester fiber has the effect of quickly evaporating moisture, and when the water-dispersing layer 4 is aged and the water-resisting layer 3 cannot prevent a large amount of moisture from permeating, the gasification layer 5 quickly gasifies the permeated moisture, so that the permeation of the moisture is further reduced.

Referring to fig. 3, the gasification layer 5 is provided with a plurality of irregular air holes 6 along the thickness direction thereof in a penetrating manner so as to increase the contact area of the polyester fiber to the permeated water, thereby enhancing the strength of the evaporation of water vapor of the gasification layer 5, further improving the waterproof performance of the cloth and being beneficial to improving the air permeability of the cloth.

Referring to fig. 1 and 6, the outer surface of the base material layer 1 far away from the waterproof film 2 is provided with a glue layer 8, the glue layer 8 is a coating solvent taking PU glue as a raw material, and the waterproof cloth has a high anti-seepage effect on moisture at one end of the base material layer 1, so that the waterproof performance of the cloth is effectively enhanced.

Referring to fig. 1 and 5, an anti-static layer 7 is arranged between the glue layer 8 and the base material layer 1, and the anti-static layer 7 and the base material layer 1 are sewn in a thread rolling manner; the warp and weft of the antistatic layer are made by interweaving polyester filaments, and conductive fibers 701 are arranged at the interweaving points of the warp and weft in an inserting mode so as to reduce the electrostatic effect which is easy to generate after water seeps through the gasification layer 5.

Referring to fig. 1 and 6, a plurality of pressure adhesive tapes 801 are arranged on the outer surface of the adhesive layer 8 in the direction away from the antistatic layer 7, the pressure adhesive tapes 801 are PE adhesive, and the surface of the adhesive layer 8 is directly branded by a hot-press adhesive machine so as to reduce the permeation of moisture at one end of the base material layer 1 from the edge of the adhesive layer 8; the surface of the glue pressing strip 801 is provided with a plurality of rolled ribs 802, two ends of the rolled ribs 802 are connected with the glue layer 8, and the rolled ribs 802 are slender strip-shaped small glue pressing strips 801 made of PE glue; the rolled ribs 802 are branded on the surface of the rubber strip 801 by a machine to enhance the connection tightness between the rubber strip 801 and the rubber layer 8, so that the falling off of the rubber strip 801 along with the increase of the washing times is reduced; the rolled ribs 802 further ensure the anti-seepage effect of the glue layer 8 on moisture, thereby ensuring the waterproof effect of the cloth.

The working principle is as follows:

the surface of the base material layer 1 is covered with a waterproof film 2 for blocking water drop from permeating, the waterproof layer 3 clamps the waterproof film 2 and is in line rolling and sewing with the base material layer 1, and the cloth has a waterproof effect due to the addition of the waterproof film 2 and the reduction of the aperture of the gap; the gasification layer 5 can evaporate water entering through the waterproof layer 3, so that the waterproof effect of the cloth is further improved; the water-dispersing layer 4 can directly make the water flow on the surface of the water-dispersing layer spread without staying.

The glue layer 8 effectively blocks further permeated water after penetrating through the base material layer 1, and the antistatic layer 7 effectively reduces static electricity easily generated by cloth after the polyester fiber is wetted; the glue pressing strip 801 effectively reduces the permeation of moisture from the edge of the glue layer 8, the rolled ribs 802 further enhance the permeation prevention effect of the glue pressing strip 801 on the moisture, and the waterproof effect of the cloth is effectively improved.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims (8)

1. A tarpaulin, includes base material layer (1), its characterized in that: one of the surfaces of the base material layer (1) is provided with a waterproof film (2), and the waterproof film (2) is far away from the outer surface of the base material layer (1) and is provided with a water-resisting layer (3).

2. A tarpaulin according to claim 1, wherein: and a water-dispersing layer (4) is sprayed on the outer surface of the water-resisting layer (3) far away from the waterproof film (2).

3. A tarpaulin according to claim 2, wherein: a gasification layer (5) is arranged between the water-resisting layer (3) and the waterproof film (2).

4. A tarpaulin according to claim 3, wherein: the gasification layer (5) is provided with a plurality of irregular air dispersion holes (6) along the thickness direction.

5. A tarpaulin according to claim 1, wherein: the outer surface of the base material layer (1) far away from the waterproof film (2) is provided with a glue layer (8) for preventing water permeation.

6. A tarpaulin according to claim 5, wherein: an anti-static layer (7) is arranged between the adhesive layer (8) and the base material layer (1).

7. A tarpaulin according to claim 6, characterized in that: and a plurality of adhesive tape pressing strips (801) are arranged on the outer surface of the adhesive layer (8) far away from the antistatic layer (7).

8. A tarpaulin according to claim 7, wherein: the surface of the rubber pressing strip (801) is provided with a plurality of rolled ribs (802), and two ends of the rolled ribs (802) are connected with the rubber layer (8).

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