Highly waterproof and moisture permeable composite jacket fabric with four-layer structure

Abstract

The utility model relates to the technical field of textile fabrics, in particular to a highly waterproof and moisture permeable composite jacket fabric with a four-layer structure, which comprises a main body layer which is a woven fabric layer. The high-strength moisture-permeable coating is attached to the outer side of the main body layer; the waterproof and moisture permeable functional film layer is attached to the outer side of the high-strength moisture permeable coating; the protective base cloth layer is attached to the outer side of the waterproof and moisture-permeable functional film layer, three layers of common outdoor jacket fabric are added to be of a four-layer structure, high waterproofness and high moisture permeability of the fabric are achieved, meanwhile, the processing flow is optimized, the production efficiency and the product quality are improved, and the durability and comfort of the product are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of textile fabrics, in particular to a highly waterproof and breathable composite jacket fabric with a four-layer structure. Background Art

[0002] As an essential equipment for outdoor sports, jackets have been favored by more and more middle-class people in recent years. With the implementation of the new national standards for jackets, higher challenges have been posed to the waterproof and moisture permeability of jackets.

[0003] Currently, mainstream jacket fabrics are typically constructed from a composite of a colored nylon or polyester face fabric and a polymer waterproof and breathable membrane. To better protect the waterproof and breathable membrane from wear and tear during use, a base fabric is typically added to the membrane to enhance the waterproofing effect. This results in the most common three-layer jacket fabric. However, this structure, which relies solely on glue to bond the layers together, suffers from poor bonding strength, low washability, and inconsistent shrinkage between the layers due to tension and humidity, resulting in curling and wrinkling.

[0004] In recent years, with the development of science and technology, the emergence of new materials and new processes such as single-sided calendering and polyurethane resin coating of fabrics has brought new possibilities to the production of jacket fabrics. It can help further optimize the processing technology to improve the comprehensive performance of the fabric, especially in terms of high water pressure moisture permeability and other aspects. It provides more possibilities. Utility Model Content

[0005] The utility model aims to at least solve the problem of insufficient waterproof and moisture permeability of jacket fabrics in the prior art.

[0006] This solution provides a highly waterproof and breathable composite jacket fabric with a four-layer structure, which is achieved by the following specific technical means: comprising a main body layer, the main body layer being a woven fabric layer;

[0007] A high-strength moisture-permeable coating layer, wherein the high-strength moisture-permeable coating layer is attached to the outside of the main body layer;

[0008] A waterproof and breathable functional membrane layer, wherein the waterproof and breathable functional membrane layer is attached to the outside of the high-strength breathable coating layer;

[0009] The protective base fabric layer is attached to the outer side of the waterproof and moisture permeable functional membrane layer.

[0010] Preferred technical solution 1: the main body layer is treated with waterproof resin.

[0011] Preferred technical solution two: the high-strength moisture-permeable coating is a waterproof and moisture-permeable base adhesive layer.

[0012] Preferred technical solution three: The waterproof and moisture-permeable functional membrane layer is preferably one of TPU membrane, PU membrane, and PTFE membrane.

[0013] Preferred technical solution four: micropores are evenly distributed on the high-strength moisture-permeable coating.

[0014] Preferred technical solution five: The waterproof and moisture-permeable functional membrane layer is bonded to the outside of the high-strength moisture-permeable coating by glue.

[0015] Preferred technical solution six: the protective base fabric layer is bonded to the outer side of the waterproof and moisture-permeable functional membrane layer by glue.

[0016] The above structure enables this solution to have the following beneficial effects:

[0017] 1. Through innovative lamination technology, the three-layer structure of ordinary jacket fabrics is increased to a four-layer structure, achieving high waterproofness and high moisture permeability of the fabric. At the same time, the processing flow is optimized, production efficiency and product quality are improved, and the durability and comfort of the product are enhanced.

[0018] 2. High water pressure waterproofness: Through the pretreatment, cold rolling and coating treatment of the fabric, the bonding strength between the fabric and the coating material is improved, and the affinity between the fabric and the glue is improved, thereby greatly improving the bonding strength between the functional membrane and the fabric, which is the key to achieving high water pressure waterproof performance;

[0019] Stable moisture permeability: The microporous structure formed by wet coating technology ensures that the moisture permeability of the composite fabric will not be reduced due to glue clogging;

[0020] Improved durability: Specially treated fabric and coating process make the fabric have better wash fastness and durability;

[0021] Improved comfort: Excellent waterproof and breathable properties, no fear of heavy rain, keep the body surface microenvironment dry and comfortable, improve wearing comfort, especially suitable for outdoor sports. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0023] Figure 1 This is a schematic diagram of the overall structure of this scheme.

[0024] Among them, 1. Main body layer, 2. High-strength moisture-permeable coating, 3. Waterproof and moisture-permeable functional membrane layer, 4. Protective base fabric layer. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0026] See also Figure 1 The highly waterproof and breathable composite jacket fabric has a four-layer structure, including a main body layer 1, which is a woven fabric layer; a high-strength breathable coating 2, which is attached to the outside of the main body layer 1; a waterproof and breathable functional membrane layer 3, which is attached to the outside of the high-strength breathable coating 2; and a protective base fabric layer 4, which is attached to the outside of the waterproof and breathable functional membrane layer 3.

[0027] Preprocessing process of main layer 1:

[0028] Step 1: pre-treating the main body layer 1. Wash the main body layer 1 twice in water with a degreasing refining agent added, and then wash it once with clean water. The amount of the degreasing refining agent added is 1%-5%, and the washing temperature is 50-60°C.

[0029] Step 2: shaping and drying: the main layer 1 is shaped with clean water, the shaping temperature is 130-150℃, the speed is 25-45m / min, and the fabric surface is fully dried.

[0030] Step 3: Pre-treat the main body layer 1 with a waterproof resin using a fluorine-based carbon 6 waterproof resin at a dosage of 30-80 g / L. After treatment, perform high-temperature setting at 160°C for 40 seconds to ensure that the main body layer 1 has good waterproof performance.

[0031] Step 4: Flatness treatment of the main layer 1: cold rolling treatment of the main layer 1. The roller temperature is controlled at 40-140°C, the pressure is controlled at 50-100 MPa, and the speed is 30-50 m / min, so as to achieve a smoother cloth surface effect, ensure the uniformity of glue absorption and reduce the risk of glue seepage.

[0032] High strength moisture permeable coating 2:

[0033] Using wet coating technology, polyurethane resin is coated on one side of the cold-rolled main layer 1 to form a micro-porous waterproof and breathable base layer. This is the second layer of material in addition to the main layer 1:

[0034] Primer ingredients: polyurethane resin 100 parts by weight, DMF 50-70 parts by weight, surfactant 4-7 parts by weight, waterproof and breathable primer coating amount is 5-20g / m 2, coating speed is controlled at 25-35m / min, and drying temperature is controlled at 125-155℃;

[0035] By controlling the amount of DMF and the coating water bath conditions, it is ensured that the high-strength moisture-permeable coating 2 forms a uniformly distributed microporous structure, thereby achieving high moisture permeability and high waterproofness.

[0036] Composite functional membrane:

[0037] The main body layer 1 coated with high-strength moisture-permeable coating 2 is laminated with another layer of functional material (such as TPU film, PU film or PTFE film). PUR glue is used as an adhesive. The glue is evenly distributed in dots on one side of the main body layer 1 coated with polyurethane resin through a rubber roller. The gluing temperature is controlled between 120-145℃ and the amount is controlled at 3-10g / m 2 During the lamination process, the feed speed and material tension between the two layers of material are strictly controlled to ensure that the two layers of material are tightly fitted without bubbles, wrinkles or scratches. This is the key to ensuring product quality. After the assembly of the functional film is completed, in order to achieve the ideal lamination fastness to meet the needs of subsequent processing, the assembly needs to be placed in a greenhouse with certain humidity and temperature conditions for aging. The aging temperature is room temperature -50°C, the humidity is 65%-80%, and the aging time is 18-36h.

[0038] Protective fabric layer 4:

[0039] This process is similar to the process of composite functional film in the previous step, the difference is that the glue is evenly distributed in dot shape on the outside of the composite functional film through a rubber roller.

[0040] Table 1 Test results of composite jacket fabrics

[0041]

[0042] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A highly waterproof and breathable composite jacket fabric with a four-layer structure, characterized by: It comprises a main body layer (1), wherein the main body layer (1) is a woven fabric layer; A high-strength moisture-permeable coating (2), wherein the high-strength moisture-permeable coating (2) is attached to the outside of the main body layer (1); A waterproof and moisture-permeable functional membrane layer (3), wherein the waterproof and moisture-permeable functional membrane layer (3) is attached to the outside of the high-strength moisture-permeable coating layer (2); A protective base fabric layer (4) is attached to the outside of the waterproof and moisture-permeable functional membrane layer (3).

2. The highly waterproof and breathable composite jacket fabric with a four-layer structure according to claim 1, characterized in that: The high-strength moisture-permeable coating (2) is a waterproof and moisture-permeable base adhesive layer, which is formed by coating a polyurethane resin on the outside of the main body layer (1).

3. The highly waterproof and breathable composite jacket fabric with a four-layer structure according to claim 2, characterized in that: Micropores are evenly distributed on the high-strength moisture-permeable coating (2).

4. The highly waterproof and breathable composite jacket fabric with a four-layer structure according to claim 1, characterized in that: The waterproof and moisture-permeable functional membrane layer (3) is preferably one of a TPU membrane, a PU membrane, and a PTFE membrane.

5. The highly waterproof and breathable composite jacket fabric with a four-layer structure according to claim 3, characterized in that: The main body layer (1) is a woven fabric layer treated with a waterproof resin.

6. The highly waterproof and breathable composite jacket fabric with a four-layer structure according to claim 1, characterized in that: The waterproof and moisture-permeable functional film layer (3) is bonded to the outside of the high-strength moisture-permeable coating layer (2) by glue.

7. The highly waterproof and breathable composite jacket fabric with a four-layer structure according to claim 1, characterized in that: The protective base fabric layer (4) is bonded to the outside of the waterproof and moisture-permeable functional membrane layer (3) by glue.

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