CN217892149U - Latticed multilayer composite structure surface fabric based on PU material - Google Patents

Abstract

The utility model belongs to the technical field of the new material, especially, relate to a latticed multilayer composite construction surface fabric based on PU material, this application uses the PU material as the basis, the dacron is as the material on the PU material, dacron material forms threadlike net twine and covers in PU epimembranal end, PU membrane lower extreme is from type paper or kraft paper, above-mentioned material combines the back to form composite bed material, because the dacron is latticed structure, it has a plurality of intervals, and then make the bulk material ventilative, and water, material such as bacterium then can be blocked by the PU membrane, and simultaneously, the latticed structure of dacron can strengthen bulk structure's stability, improve the tensile resistance of bulk material, avoid the PU membrane to produce the crack and then lead to the bulk material can not waterproof and separate the fungus.

Description

Latticed multilayer composite structure surface fabric based on PU material

Technical Field

The application belongs to the technical field of new materials, and particularly relates to a latticed multilayer composite structure fabric based on a PU material.

Background

The statements in this section merely provide background information related to the present application and may not constitute prior art.

As a medical material, the PU film is required to have the characteristics of ventilation, water resistance, bacteria isolation and the like, different products have different requirements on the medical material, and as a main force of the medical material, a composite product related to the PU film needs to be developed aiming at a medical dressing product with special requirements.

At present, a PU film material is soft and is easily torn during use, so that the PU material cannot realize the functions of water resistance and bacteria resistance.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, the present application provides a latticed multilayer composite structure surface fabric based on PU material.

The utility model provides a latticed multilayer composite construction surface fabric based on PU material, use the PU material as the basis, lay a plurality of silk threads above the PU material, the material of silk thread is the dacron, a plurality of silk thread combinations form the gridlines, and then make dacron and PU material combination form the composite bed, when dragging the material of this application, need destroy dacron material's gridlines earlier, and then make the intensity of PU material obtain great improvement, and keep the water proof that the new material has, it is ventilative, hinder the fungus effect.

In order to realize the purpose of the application, the technical scheme of the application is as follows:

the utility model provides a latticed multilayer composite construction surface fabric based on PU material, includes the end liner, and the end liner upper end is provided with the PU membrane, and PU membrane upper end is provided with the dacron layer, and the dacron layer includes lower floor's dacron line and upper polyester line, and lower floor's dacron line links together through heating or gluing with the PU membrane, and upper polyester line links together through heating or gluing with lower floor's dacron line, and upper polyester line and lower floor's dacron line form into latticed.

Further, the bottom liner is kraft paper or release paper.

Further, the thickness of the PU film is 100-150 um.

Furthermore, one transverse polyester yarn is a group, and the group of polyester yarns are arranged in a staggered mode at intervals to form a lower layer of polyester yarn.

Furthermore, in the lower layer of polyester yarns, the distance between one group of polyester yarns and the other group of polyester yarns is a, and a is 7-8mm.

Further, a is 7.5mm.

Furthermore, two vertical polyester yarns form a group, and the polyester yarns in the group are alternately distributed at intervals to form an upper layer polyester yarn.

Furthermore, in the upper layer of polyester yarns, the distance between one group of polyester yarns and the other group of polyester yarns is c, and the c is 3-5mm.

Further, c is 4mm.

Furthermore, in the upper layer of polyester yarns, the distance between two polyester yarns in one group of polyester yarns is b, and b is smaller than c.

Further, b is 2mm.

Compared with the prior art, the beneficial effect of this application is:

1. this application uses the PU material as the basis, the dacron is as the material on the PU material, dacron material forms the filiform net twine and covers in PU membrane upper end, PU membrane lower extreme is for releasing type paper or kraft paper, form composite bed material after the above-mentioned material combines, because the dacron is latticed structure, it has a plurality of intervals, and then make the entire material ventilative, and water, material such as bacterium then can be blocked by the PU membrane, and simultaneously, the latticed structure of dacron can strengthen entire structure's stability, improve entire material's stretch-proofing ability, avoid the PU membrane to produce the crack and then lead to the entire material can not waterproof and separate the fungus.

2. The composite material has low cost, and the production cost can be effectively reduced and the price of a new composite material can be reduced by means of the special process disclosed by the application.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the application, and the description of the exemplary embodiments and illustrations of the application are intended to explain the application and are not intended to limit the application.

FIG. 1 is a schematic view of an assembly drawing configuration of the present application;

FIG. 2 is a schematic top view of the present application;

fig. 3 is an enlarged view of the area a in fig. 2.

In the figure:

1. the fabric comprises a bottom lining, 2 a PU film, 3 a lower polyester yarn and 4 an upper polyester yarn.

The specific implementation mode is as follows:

the present application will be further described with reference to the following drawings and examples.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present disclosure. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

In the present disclosure, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only relational terms determined for convenience in describing structural relationships of the parts or elements of the present disclosure, and do not refer to any parts or elements of the present disclosure, and are not to be construed as limiting the present disclosure.

Example 1

The embodiment relates to a latticed multilayer composite structure surface fabric based on PU material, including end liner 1, end liner 1 upper end is PU membrane 2, 2 upper ends of PU membrane are the dacron layer, wherein, the dacron layer includes lower floor's dacron line 3 and upper polyester line 4, lower floor's dacron line 3 links together through heating with PU membrane 2, the thickness of PU membrane 2 is 100-150 um, upper polyester line 4 links together through heating or gluing with lower floor's dacron line 3, upper polyester line 4 and lower floor's dacron line 3 form latticed, as preferred, end liner 1 is kraft paper or from type paper, the colour of dacron can change and then make and be suitable for under the different situation, in this embodiment, the colour of dacron adopts white.

The polyester layer of the embodiment is mainly made of polyester threads, the polyester threads are divided into two types, one type is a transverse polyester thread, the other type is a longitudinal polyester thread, one transverse polyester thread is a group, one group of polyester threads are arranged in a staggered mode at intervals to form a lower layer of polyester threads 3, in the lower layer of polyester threads 3, the distance between one group of polyester threads and the other group of polyester threads is a, a is 7-8mm, preferably, a is 7.5mm, two vertical polyester threads are a group, one group of polyester threads are arranged in a staggered mode at intervals to form an upper layer of polyester threads 4, in the upper layer of polyester threads 4, the distance between one group of polyester threads and the other group of polyester threads is c, c is 3-5mm, preferably, c is 4mm, more specifically, in the upper layer of polyester threads 4, the interval distance between two polyester threads in one group of polyester threads is b, b is smaller than c, in the embodiment, b is 2mm, and can also be between 1.5-2.5 mm.

Example 2

The production process of the embodiment 1 is as follows:

1. the PU liquid raw material is coated on the bottom lining 1 by a scraper, and the clearance of the scraper is 100-150 um.

2. And (3) attaching the polyester layer to the wet PU.

3. The PU film 2 and the polyester layer are bonded together and enter an oven for quick drying, or the polyester layer is firstly coated with a thin layer of glue and then bonded on the PU film 2, and the PU film and the polyester layer are combined together, cooled by a cooling roller and rolled.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Although the embodiments of the present application have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present application, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive effort by those skilled in the art.

Claims (5)

1. The latticed multilayer composite structure fabric based on the PU material is characterized by comprising a bottom liner (1), wherein a PU film (2) is arranged at the upper end of the bottom liner (1), and a polyester layer is arranged at the upper end of the PU film (2);

the polyester layer comprises a lower layer polyester thread (3) and an upper layer polyester thread (4), the lower layer polyester thread (3) is connected with the PU film (2) through heating or glue, and the upper layer polyester thread (4) is connected with the lower layer polyester thread (3) through heating or glue;

the upper layer polyester yarns (4) and the lower layer polyester yarns (3) form a grid shape;

one group of transverse polyester yarns are arranged in a staggered mode at intervals to form a lower layer of polyester yarns (3), in the lower layer of polyester yarns (3), the distance between one group of polyester yarns and the other group of polyester yarns is a, and a is 7-8mm;

two vertical polyester threads are in a group, one group of polyester threads are arranged in a staggered way at intervals to form an upper layer of polyester thread (4),

in the upper layer of the polyester yarns (4), the distance between one group of the polyester yarns and the other group of the polyester yarns is c, and the c is 3-5mm;

in the upper layer of the polyester yarns (4), the distance between two polyester yarns in one group of the polyester yarns is b, and b is smaller than c.

2. A cellular multilayer composite construction fabric based on PU material according to claim 1, characterized in that the bottom liner (1) is kraft paper or release paper.

3. A cellular multilayer composite structure fabric based on PU material according to claim 1, characterized in that the thickness of the PU film (2) is 100-150 um.

4. A cellular multilayer composite construction face fabric based on PU material according to claim 1, characterized in that a is 7.5mm.

5. A cellular multilayer composite structural fabric based on PU material according to claim 1, wherein c is 4mm.

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