Waterproof and antifouling garment fabric

Abstract

This utility model discloses a waterproof and stain-resistant clothing fabric, comprising a composite outer fabric, a hydrophobic PTFE microporous membrane, a hydrophilic polyurethane nanofiber mesh, and an inner fabric. The outer fabric is woven from ultra-fine denier chemical fiber filaments; the inner fabric is woven from honeycomb polyester fiber filaments. The surface of the outer fabric away from the hydrophobic PTFE microporous membrane has a textured surface formed by plasma etching; one side of the textured surface has a nano-titanium dioxide film layer formed by vacuum deposition technology. The surface of the outer fabric has a textured surface formed by plasma etching and a nano-titanium dioxide film, exhibiting a nanoscale concave structure and excellent waterproof and stain-resistant properties. The hydrophobic PTFE microporous membrane and hydrophilic polyurethane nanofiber mesh enable directional moisture expulsion, and the honeycomb polyester fiber filaments have a moisture-wicking effect, thus enabling the fabric to directionally expel moisture.

Description

Technical Field

[0001] This utility model relates to a waterproof and stain-resistant clothing fabric, belonging to the technical field of waterproof and stain-resistant fabrics. Background Technology

[0002] With the continuous improvement of living standards, outdoor sports have gradually become a favorite activity for urban leisure seekers and casual weekend outing enthusiasts. Whether it's long-distance hiking and mountaineering, or professional adventure and ice climbing, a suitable all-weather waterproof jacket has become an essential choice. During outdoor sports, rain is sometimes unavoidable, requiring clothing fabrics to have good waterproof properties. Furthermore, stains such as oil and dirt are inevitable when eating, requiring fabrics to have good stain-resistant properties. Outdoor sports also require fabrics with good moisture-wicking and breathability. How to develop a waterproof and stain-resistant clothing fabric that is also breathable has become a problem to be solved. Utility Model Content

[0003] The purpose of this invention is to provide a waterproof and stain-resistant clothing fabric that is also breathable.

[0004] To solve the above-mentioned technical problems, the purpose of this utility model is achieved as follows: The present invention relates to a waterproof and stain-resistant clothing fabric, comprising a composite outer fabric, a hydrophobic PTFE microporous membrane, a hydrophilic polyurethane nanofiber mesh, and an inner fabric. The outer fabric is made of ultra-fine denier chemical fiber filaments woven in a plain weave, with a warp density and weft density of not less than 180 threads per inch; The inner fabric is woven from honeycomb polyester fiber filaments; The outer fabric has a textured surface on the side away from the hydrophobic PTFE microporous membrane, formed by plasma etching, with Ra=0.1-0.5 micrometers; and a nano-titanium dioxide film layer formed by vacuum deposition technology on one side of the textured surface.

[0005] Based on the above scheme and as a preferred option: the ultra-fine denier chemical fiber filament is ultra-fine denier polyester filament or ultra-fine denier nylon 6 filament, with a fineness of 75D / 144-288F.

[0006] Based on the above scheme and as a preferred embodiment of the above scheme: the fineness of the honeycomb polyester fiber filament is 60 dtex.

[0007] Based on the above scheme and as a preferred embodiment of the above scheme: the hydrophobic PTFE microporous membrane has micropores of 0.2-0.5 micrometers and a thickness of 20-30 micrometers.

[0008] Based on the above scheme and as a preferred embodiment of the above scheme: the diameter of the fibers in the hydrophilic polyurethane nanofiber network is 100-300 nm and the thickness is 15-20 micrometers.

[0009] Based on the above scheme and as a preferred embodiment of the above scheme: the surface of the nano-titanium dioxide film layer is coated with an anti-fouling coating, which is polydimethylsiloxane.

[0010] Based on the above scheme and as a preferred embodiment of the above scheme: a heat-insulating fabric layer is provided between the hydrophilic polyurethane nanofiber mesh 3 and the inner fabric layer, and the heat-insulating fabric layer is made of hollow polyester filaments interwoven.

[0011] The beneficial effects of this utility model are as follows: The waterproof and stain-resistant clothing fabric involved in this utility model has an outer layer with a concave-convex structure formed by plasma etching and a nano-titanium dioxide film formed by vacuum deposition. The nanoscale concave structure provides excellent waterproof and stain-resistant properties. The hydrophobic PTFE microporous membrane and hydrophilic polyurethane nanofiber mesh enable directional moisture expulsion, and the honeycomb polyester fiber filaments used have a moisture-wicking effect, thus enabling the fabric to directionally expel moisture. Attached Figure Description

[0012] Figure 1 This is a structural schematic diagram of the waterproof and stain-resistant clothing fabric involved in Example 1; Figure 2 This is a structural schematic diagram of the waterproof and stain-resistant clothing fabric involved in Example 2; Figure 3 This is a structural schematic diagram of the waterproof and stain-resistant clothing fabric involved in Example 2. Detailed Implementation

[0013] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0014] Example 1 Combination Figure 1 This embodiment will be described in detail below. The waterproof and stain-resistant clothing fabric involved in this embodiment includes a composite outer fabric 1, a hydrophobic PTFE microporous membrane 2, a hydrophilic polyurethane nanofiber mesh 3, and an inner fabric 4. Specifically, it is bonded by ultrasonic hot-pressing dot matrix bonding.

[0015] The outer fabric 1 is made of ultra-fine denier synthetic fiber filaments woven in a plain weave, with a warp and weft density of not less than 180 threads per inch, specifically 200 threads per inch for the warp and 185 threads per inch for the weft. The ultra-fine denier synthetic fiber filaments are ultra-fine denier polyester filaments or ultra-fine denier nylon 6 filaments, with a fineness of 75D / 144-288F. In this embodiment, ultra-fine nylon 6 filaments with a fineness of 75D / 144F are selected. Furthermore, the surface of the outer fabric 1 away from the hydrophobic PTFE microporous membrane 2 has a textured surface formed by plasma etching, with Ra=0.1-0.5 micrometers. One side of the textured surface has a nano-titanium dioxide film layer 5 formed by vacuum deposition technology. The nano-titanium dioxide film layer 5 consists of nano-titanium dioxide particles attached to the fiber surface, forming a nanoscale textured structure, which has good waterproof and stain-resistant effects.

[0016] Furthermore, the hydrophobic PTFE microporous membrane 2 has micropores of 0.2-0.5 micrometers and a thickness of 20-30 micrometers. The hydrophilic polyurethane nanofiber network 3 has fibers with a diameter of 100-300 nm and a thickness of 15-20 micrometers. In this embodiment, these are 20 micrometers and 15 micrometers, respectively. Specifically, the hydrophilic polyurethane nanofiber membrane 3 is a nanofiber network formed by electrospinning hydrophilic polyurethane.

[0017] The inner fabric 4 is woven from honeycomb polyester fiber filaments; specifically, it is woven in a satin weave, which gives the fabric a soft hand feel. The honeycomb polyester fiber filaments have moisture-wicking properties, and the fineness of the honeycomb polyester fiber filaments is 60 dtex. The weight of the inner fabric 3 is 60 grams per square meter.

[0018] The waterproof and stain-resistant clothing fabric involved in this embodiment was tested, and its hydrostatic pressure resistance was 24 kPa (AATCC127). The contact angle with soy sauce / machine oil was 153.3° (ISO 14419). The RET value for breathability was 4.5 m. 2 Pa / W, exhibiting good air permeability. After 5 washes, hydrostatic pressure resistance and stain resistance decreased by 5.6%.

[0019] Example 2 Combination Figure 2 This embodiment will be described in detail below. The waterproof and stain-resistant clothing fabric involved in this embodiment differs from that in Example 1 in that the surface of the nano-titanium dioxide film layer 5 is coated with a stain-resistant coating 6. The stain-resistant coating 6 is polydimethylsiloxane.

[0020] Example 3 Combination Figure 3This embodiment will be described in detail below. The waterproof and stain-resistant clothing fabric involved in this embodiment differs from that in Embodiment 2 in that: a heat-insulating fabric layer 7 is provided between the hydrophilic polyurethane nanofiber mesh 3 and the inner fabric 4, and the heat-insulating fabric layer 7 is made of hollow polyester filaments interwoven.

[0021] The preferred embodiments of this utility model have been described in detail above. It should be understood that those skilled in the art can make numerous modifications and variations based on the concept of this utility model without creative effort. Therefore, all technical solutions that can be obtained by those skilled in the art based on the concept of this utility model through logical analysis, reasoning, or limited experimentation on the basis of existing technology should be within the scope of protection defined by the claims.

Claims

1. A waterproof and stain-resistant clothing fabric, characterized in that, It includes a composite outer fabric (1), a hydrophobic PTFE microporous membrane (2), a hydrophilic polyurethane nanofiber mesh (3), and an inner fabric (4). The outer fabric (1) is made of ultra-fine denier chemical fiber filaments interwoven in a plain weave, with a warp density and weft density of not less than 180 threads per inch; The inner fabric (4) is woven from honeycomb polyester fiber filaments; The outer fabric (1) has a surface with an uneven structure formed by plasma etching on the side away from the hydrophobic PTFE microporous membrane (2), with Ra=0.1-0.5 micrometers; and a nano titanium dioxide film layer (5) formed by vacuum deposition technology on one side of the uneven structure surface.

2. The waterproof and stain-resistant clothing fabric according to claim 1, characterized in that, The ultra-fine denier chemical fiber filament is ultra-fine denier polyester filament or ultra-fine denier nylon 6 filament, with a fineness of 75D / 144-288F.

3. The waterproof and stain-resistant clothing fabric according to claim 1, characterized in that, The fineness of the honeycomb polyester fiber filament is 60 dtex.

4. The waterproof and stain-resistant clothing fabric according to claim 1, characterized in that, The hydrophobic PTFE microporous membrane (2) has micropores of 0.2-0.5 micrometers and a thickness of 20-30 micrometers.

5. The waterproof and stain-resistant clothing fabric according to claim 1, characterized in that, The diameter of the fibers in the hydrophilic polyurethane nanofiber network (3) is 100-300 nm and the thickness is 15-20 micrometers.

6. The waterproof and stain-resistant clothing fabric according to claim 1, characterized in that, The surface of the nano-titanium dioxide film (5) is coated with an anti-fouling coating (6), which is polydimethylsiloxane.

7. The waterproof and stain-resistant clothing fabric according to claim 6, characterized in that, A heat-insulating fabric layer (7) is provided between the hydrophilic polyurethane nanofiber mesh (3) and the inner fabric (4), and the heat-insulating fabric layer (7) is made of hollow polyester filaments interwoven together.

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