CN216942143U

CN216942143U - Low-swelling waterproof and moisture-permeable knitted fabric

Info

Publication number: CN216942143U
Application number: CN202121434517.3U
Authority: CN
Inventors: 周楠
Original assignee: Shanghai Jiuyu Textile Technology Co ltd
Current assignee: Shanghai Jiuyu Textile Technology Co ltd
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2022-07-12
Anticipated expiration: 2031-06-25

Abstract

The utility model provides a low-swelling waterproof moisture-permeable knitted fabric, which structurally comprises a polyester layer 1, an adhesive layer 2 and a PU layer 3 from top to bottom, wherein the adhesive layer 2 exists on the PU layer 3 in an independent point mode, and the polyester layer 1 and the PU layer 3 exist in a cavity 4. The low-swelling waterproof moisture-permeable knitted fabric provided by the utility model has soft touch feeling and excellent waterproof moisture-permeable property, and the knitted fabric is not easy to delaminate after being washed with water.

Description

Low-swelling waterproof and moisture-permeable knitted fabric

Technical Field

The utility model relates to the field of textile fabrics, in particular to a low-swelling waterproof moisture-permeable knitted fabric.

Background

Sports fitness is indispensable in people's life, and outdoor sports fitness meets weather such as meeting water, fog often, and the clothes air permeability that generally has good waterproof ability all has more or less not enough, and especially when external moisture is higher, the vapor that the health gived off is difficult to see through the clothes and gives off to the external environment, leads to sultry not to breathe freely. Based on the above, the application provides the low-swelling waterproof moisture-permeable knitted fabric, and the waterproof moisture-permeable capacity of the knitted fabric is improved.

SUMMERY OF THE UTILITY MODEL

The utility model provides a low-swelling waterproof moisture-permeable knitted fabric, which structurally comprises a polyester layer 1, an adhesive layer 2 and a PU layer 3 from top to bottom.

In a preferred embodiment, the polyester layer 1 is attached to the glue layer 2 by means of a glue joint.

In a preferred embodiment, the PU layer 3 and the glue layer 2 are connected by means of a joint.

In a preferred embodiment, the amount of glue applied to the layer of glue 2 is between 8 and 15g/m²。

In a preferred embodiment, the glue layer 2 has a glue amount of 10g/m²。

In a preferred embodiment, the gram weight of the polyester layer 1 is from 55 to 60g/m²。

In a preferred embodiment, the polyester layer 1 has at least one of 20D/24F, 50D/72F, 160D/192F, 150D/96F of the woven yarns.

In a preferred embodiment, the polyester layer 1 has a 20D/24F knit yarn.

In a preferred embodiment, the polyester layer 1 is waterproofed.

In a preferred embodiment, the glue layers 2 are present in the form of individual dots on the PU layer 3.

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

1. according to the low-swelling waterproof moisture-permeable knitted fabric prepared by the utility model, the polyester layer is subjected to waterproof treatment, and the PU layer and the polyester layer are connected by the adhesive layer, so that the integrity of the knitted fabric is improved, the waterproof capability of the fabric is improved, and the knitted fabric is not easy to delaminate after being washed.

2. The low-swelling waterproof moisture-permeable knitted fabric prepared by the utility model has the advantages that the cavity is formed between the polyester layer and the PU layer through a specific adhesive layer point-to-point connection mode, so that the migration capability of water vapor from the PU layer to the polyester layer is improved, the reverse permeation of the water vapor can be avoided, and the waterproof moisture-permeable capability of the fabric is improved.

Drawings

FIG. 1 is a schematic view of the structure of the present invention.

Wherein, 1, polyester layer; 2. a glue layer; 3. a PU layer; 4. a cavity.

Detailed Description

The technical solutions of the present invention are further described below with reference to the accompanying drawings and specific embodiments, and it is obvious that the embodiments described below are only a part of the embodiments of the present invention, and all other embodiments obtained by those skilled in the art without any inventive work based on the embodiments of the present invention belong to the protection scope of the present invention.

In a preferred embodiment, the polyester layer 1 and the glue layer 2 are connected by means of a joint.

In a preferred embodiment, the glue layer 2 has a glue amount of 10g/m²。

In a preferred embodiment, the gram weight of the polyester layer 1 is 56g/m²。

In a preferred embodiment, the polyester layer 1 has at least one of 20D/24F, 50D/72F, 160D/192F, 150D/96F woven yarn.

In a preferred embodiment, the polyester layer 1 has a 20D/24F knit yarn.

In a preferred embodiment, the polyester layer 1 is waterproofed.

In a preferred embodiment, the polyester layer 1 is made of a C6 waterproof agent.

In a preferred embodiment, the polyester layer 1 and the PU layer 3 present a cavity 4.

In a preferred embodiment, the total gram weight of the knitted fabric is 80 to 90g/m²。

In a preferred embodiment, the knitted fabric has a total grammage of 86g/m²。

Example 1

As shown in fig. 1, the low-swelling waterproof moisture-permeable knitted fabric comprises a polyester layer 1, an adhesive layer 2 and a PU layer 3 from top to bottom, wherein the polyester layer 1 is connected with the adhesive layer 2 in a fitting manner; the PU layer 3 is connected with the adhesive layer 2 through bonding; the glue layer 2 is present in the form of separate dots on the PU layer 3, and the polyester layer 1 and the PU layer 3 present cavities 4. According to the utility model, the independent cavity 4 is formed between the polyester layer 1 and the PU layer 3 through the existence form of the specific glue layer, the existence of the cavity can improve the migration capability of water vapor from the PU layer to the polyester layer, the reverse permeation of the water vapor can be avoided, and the waterproof and moisture permeable capability of the fabric is improved.

The total gram weight of the knitted fabric is 86g/m²The gram weight of the polyester layer 1 is 56g/m²(ii) a The gluing amount of the glue layer 2 is 10g/m²(ii) a The weaving yarn of the polyester layer 1 is 20D/24F. According to the low-swelling waterproof moisture-permeable knitted fabric prepared by the utility model, the polyester layer is subjected to waterproof treatment, and the PU layer and the polyester layer are connected by the adhesive layer, so that the integrity of the knitted fabric is improved, the waterproof capability of the fabric is improved, and the knitted fabric is not easy to delaminate after being washed.

According to the low-swelling waterproof moisture-permeable knitted fabric prepared in the embodiment, a fabric wear resistance test is performed on the knitted fabric according to ASTM D4966-2012(2016), the pressure is set to 9kPa, and the result shows that slight color change is found without broken ends after 3 ten thousand times of friction; the pilling resistance test of the knitted fabric is carried out according to ASTM D4970/D4970M-2016, the test is carried out by a Martindale abrasion resistance instrument under the pressure of 3kPa, and the result shows that the pilling resistance grade is 4 after 1000 times of abrasion; the dimension washing stability test is carried out on the knitted fabric according to AATCC 135-plus 2018T, and the knitted fabric is machine-washed for 3 times at 27 ℃, and the result shows that the warp shrinkage is 1.3 percent and the weft elongation is 0.3 percent; according to the appearance quality evaluation of the knitted fabric after washing by AATCC 135-plus 2018T, the result shows that the fabric after the test is slightly wrinkled and has no layering, and the color stability grade of the fabric is level 4; the moisture permeability test was carried out according to the method B-1 in JIS L1099:2012, and the result showed that the moisture permeability was 10771g/m²24 h; hydrostatic pressure test was carried out according to JIS L1092:2009, and the distilled water temperature was 20 ℃. Test area 100cm²The water pressure increasing rate is 10000mmH O/min, and the result shows that the knitted fabric can endure the hydrostatic pressure of 16000mmH O/min.

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 invention may be embodied in other specific forms without departing from the spirit or essential attributes 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.

Claims

1. The low-swelling waterproof moisture-permeable knitted fabric is characterized by comprising a polyester layer (1), an adhesive layer (2) and a PU layer (3) from top to bottom.

2. Knitted fabric according to claim 1, characterised in that the polyester layer (1) is connected to the glue layer (2) by means of a fit.

3. Knitted fabric according to claim 1, characterised in that the PU layer (3) and the glue layer (2) are connected by means of a fit.

4. Knitted fabric according to claim 3, characterised in that the sizing amount of the glue layer (2) is 8-15g/m²。

5. Knitted fabric according to claim 4, characterised in that the glue layer (2) has a glue amount of 10g/m²。

6. Knitted fabric according to claim 1, characterized in that the grammage of the polyester layer (1) is 55-60g/m²。

7. Knitted fabric according to claim 6, characterized in that the knitting yarns of the polyester layer (1) are at least one of 20D/24F, 50D/72F, 160D/192F, 150D/96F.

8. Knitted fabric according to claim 6, characterized in that the knitting yarns of the polyester layer (1) are 20D/24F.

9. Textile fabric according to claim 6, characterized in that the polyester layer (1) is waterproofed.

10. Knitted fabric according to claim 4, characterised in that the glue layer (2) is present in the form of individual dots on the PU layer (3).