Polyester spandex elastic fabric with good waterproof effect

By adopting a multi-layer structure design in the elastic cloth, especially the waterproof layer is composed of a waterproof lining layer, an adhesive layer and a polymer waterproof and breathable film, and a tight structure is formed by hot pressing, the problem of poor waterproof performance of the existing elastic cloth is solved, efficient waterproofing effect is achieved, and fire-proof, flame-retardant and antibacterial properties are provided.

CN222844957UActive Publication Date: 2025-05-09FUJIAN ZONGDE TEXTILE TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202421227004.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-31
Publication Date
2025-05-09
Estimated Expiration
2034-05-31

AI Technical Summary

Technical Problem

The existing elastic cloth has poor waterproof performance and cannot effectively intercept water molecules, resulting in easy wetness when it rains outdoors.

Method used

A polyester ammonia elastic cloth with a multi-layer structure includes a base cloth layer, a fire-resistant flame retardant layer, a waterproof layer and an antibacterial layer. The waterproof layer is composed of a waterproof lining layer, an adhesive layer and a polymer waterproof and breathable film. The waterproof lining layer is made of a blend of polyester fiber and polyamide fiber. The polymer waterproof and breathable film is a PTFE film, which is formed by hot pressing to form a tight structure to improve the waterproof effect.

Benefits of technology

It achieves excellent waterproofing effect of polyester elastic cloth. Water does not penetrate into the fabric when it rains, avoiding the fabric being wet, and also has fire-proof, flame-retardant and antibacterial properties.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222844957U_ABST
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Abstract

The utility model discloses a polyester spandex elastic fabric with good waterproof effect, which comprises a base fabric layer, a fireproof flame-retardant layer, a waterproof layer and an antibacterial layer, the fireproof flame-retardant layer is arranged on the upper surface of the base fabric layer and is tightly adhered to the base fabric layer through a first adhesive layer, the waterproof layer is arranged on the upper surface of the fireproof flame-retardant layer, and the antibacterial layer is arranged on the upper surface of the waterproof layer. The waterproof layer is arranged on the lower surface of the base cloth layer and is tightly adhered to the fireproof flame-retardant layer through a second adhesive layer, the waterproof layer comprises a waterproof lining layer, an adhesive layer and a macromolecular waterproof breathable film, the waterproof lining layer is formed by blending polyester fibers and polyamide fibers, and the antibacterial layer is arranged on the lower surface of the base cloth layer and is tightly adhered to the base cloth layer through a third adhesive layer. The waterproof fabric has an excellent waterproof effect, water is not prone to permeating into the fabric in rainy days, and the fabric is not prone to being wetted.
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Description

Technical Field

[0001] The utility model relates to the technical field of elastic fabrics, in particular to a polyester-spandex elastic fabric with good waterproof effect. Background Art

[0002] Stretch fabric is a kind of elastic fabric, usually made of cotton, polyester, nylon and other fibers. It has the characteristics of good elasticity, comfort, and not easy to deform. It is widely used in various clothing and household items.

[0003] Stretch fabric is usually made of a blend of elastic fibers, such as polyester fiber and spandex fiber. Stretch fabric usually has average waterproof performance and cannot intercept water well. Especially when used in outdoor products, water can easily penetrate into the fabric when it rains, causing the fabric to get wet. Therefore, improvement is urgently needed. Utility Model Content

[0004] The utility model aims to provide a polyester-spandex stretch fabric with good waterproof effect, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a polyester-spandex stretch fabric with good waterproof effect, comprising a base fabric layer, a fire-retardant layer, a waterproof layer and an antibacterial layer, wherein the fire-retardant layer is arranged on the upper surface of the base fabric layer, and the fire-retardant layer is tightly bonded to the base fabric layer through a first adhesive layer, the waterproof layer is arranged on the upper surface of the fire-retardant layer, and the waterproof layer is tightly bonded to the fire-retardant layer through a second adhesive layer, the waterproof layer comprises a waterproof lining layer, an adhesive layer, and a polymer waterproof breathable membrane, the waterproof lining layer is made of a blend of polyester fiber and polyamide fiber, the antibacterial layer is arranged on the lower surface of the base fabric layer, and the antibacterial layer is tightly bonded to the base fabric layer through a third adhesive layer.

[0006] Preferably, the base fabric layer is made of a blend of polyester fiber, spandex fiber, polyether ester elastic fiber, and diene elastic fiber, so that the stretch fabric has high strength and high elasticity.

[0007] Preferably, the first adhesive layer, the second adhesive layer and the third adhesive layer are all hot melt adhesives, which are used to bond the base fabric layer, the fire retardant layer, the waterproof layer and the antibacterial layer.

[0008] Preferably, the fire-retardant layer is made of a blend of aramid flame-retardant fiber, polybenzimidazole fiber and phenolic fiber, so that the stretch fabric has flame-retardant properties.

[0009] Preferably, the adhesive layer is a high molecular weight waterproof and breathable water-based polyurethane adhesive prepared from polyester, polyether and isocyanate.

[0010] Preferably, the polymer waterproof breathable membrane is a polymer waterproof breathable PTFE film, which has high air permeability and is still waterproof.

[0011] Preferably, the antibacterial layer is made of a blend of bamboo fiber and nano-silver antibacterial fiber, so that the stretch fabric has antibacterial properties.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] By setting a waterproof layer on the surface of the cloth, the waterproof layer is composed of a waterproof lining layer, an adhesive layer, and a polymer waterproof breathable membrane. The waterproof lining layer is made of a blend of polyester fiber and polyamide fiber. The polyester fiber and the polyamide fiber are closely arranged, and the pores are small enough to form a dense structure, which can prevent water molecules from passing through. The polymer waterproof breathable membrane is a polymer waterproof breathable PTFE film, which can intercept water molecules. Furthermore, the waterproof lining layer and the polymer waterproof breathable membrane are hot-pressed and combined by the adhesive layer, so that the cloth has excellent waterproof effect. When it rains, water is not easy to penetrate into the inside of the cloth, and the cloth is not easy to get wet. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the base fabric layer structure of the utility model;

[0016] Figure 3 It is a schematic diagram of the enlarged structure of the waterproof layer of the utility model;

[0017] Figure 4 It is a partial enlarged structural schematic diagram of the utility model;

[0018] Figure 5 This is a schematic diagram of the system framework structure of the utility model;

[0019] Figure 6 It is a schematic diagram of the system framework structure of the utility model.

[0020] In the figure: 1. base fabric layer; 101. polyester fiber; 102. spandex fiber; 103. polyether ester elastic fiber; 104. diene elastic fiber; 2. first adhesive layer; 3. fire retardant layer; 301. aramid flame retardant fiber; 302. polybenzimidazole fiber; 303. phenolic fiber; 4. second adhesive layer; 5. waterproof layer; 501. waterproof lining layer; 502. adhesive layer; 503. polymer waterproof breathable membrane; 6. third adhesive layer; 7. antibacterial layer; 701. bamboo fiber; 702. nano silver antibacterial fiber; 8. polyester fiber; 9. polyamide fiber. DETAILED DESCRIPTION

[0021] Obviously, the embodiments described above are only some embodiments of the utility model, not all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. All other embodiments obtained by ordinary technicians in the field without creative work based on the embodiments of the utility model shall fall within the scope of protection of the utility model.

[0023] See also Figure 1-6 The utility model provides an embodiment: a polyester-spandex stretch fabric with good waterproof effect, comprising a base fabric layer 1, a fire-retardant layer 3, a waterproof layer 5 and an antibacterial layer 7, wherein the fire-retardant layer 3 is arranged on the upper surface of the base fabric layer 1, and the fire-retardant layer 3 is tightly adhered to the base fabric layer 1 through a first adhesive layer 2;

[0024] The waterproof layer 5 is arranged on the upper surface of the fire-retardant layer 3, and the waterproof layer 5 is tightly adhered to the fire-retardant layer 3 through the second adhesive layer 4. The waterproof layer 5 includes a waterproof lining layer 501, an adhesive layer 502, and a polymer waterproof breathable membrane 503. The waterproof lining layer 501 is made of a blend of polyester fiber 8 and polyamide fiber 9.

[0025] Specifically, the waterproof lining layer 501 is made of a blend of polyester fiber 8 and polyamide fiber 9. The polyester fiber 8 and polyamide fiber 9 are closely arranged, and the pores are small enough to form a dense structure, which can prevent water molecules from passing through. The polymer waterproof breathable membrane 503 is a polymer waterproof breathable PTFE film, which can intercept water molecules. Furthermore, the waterproof lining layer 501 and the polymer waterproof breathable membrane 503 are hot-pressed and bonded by an adhesive layer 502, so that the fabric has an excellent waterproof effect.

[0026] The antibacterial layer 7 is arranged on the lower surface of the base fabric layer 1, and the antibacterial layer 7 is tightly adhered to the base fabric layer 1 through the third adhesive layer 6;

[0027] The base fabric layer 1 is made of a blend of polyester fiber 101, spandex fiber 102, polyether ester elastic fiber 103, and diene elastic fiber 104;

[0028] The polyester fiber 101, the spandex fiber 102, the polyether ester elastic fiber 103, and the diene elastic fiber 104 are all elastic fibers, which make the fabric highly elastic.

[0029] Polyester fiber 101 has the advantages of high strength, high elasticity, good shape retention and heat resistance;

[0030] Spandex fiber 102 has extremely high elasticity and recovery and can withstand great stretching and compression;

[0031] Polyetherester elastic fiber 103 not only has good elasticity, but also has high strength;

[0032] The diene elastic fiber 104 has high elasticity and is also resistant to high temperatures, acids and alkalis, and abrasion;

[0033] The first adhesive layer 2, the second adhesive layer 4, and the third adhesive layer 6 are all hot melt adhesives;

[0034] The fire retardant layer 3 is made of a blend of aramid flame retardant fiber 301, polybenzimidazole fiber 302, and phenolic fiber 303;

[0035] Specifically, the aramid flame retardant fiber 301, the polybenzimidazole fiber 302, and the phenolic fiber 303 all have high temperature resistance and flame retardant properties, so that the fabric has a fire retardant effect;

[0036] Aramid flame retardant fiber 301 is a permanent flame retardant fiber with the advantages of heat resistance, high strength, high wear resistance, good flexibility, low shrinkage, stable chemical structure, no droplets when burning, and no toxic gas.

[0037] Polybenzimidazole fiber 302 has excellent high temperature resistance;

[0038] Phenolic fiber 303 is flame retardant, heat resistant and non-melting;

[0039] The adhesive layer 502 is a high molecular weight waterproof and breathable water-based polyurethane adhesive prepared from polyester, polyether and isocyanate;

[0040] The polymer waterproof breathable membrane 503 is a polymer waterproof breathable PTFE film;

[0041] The polymer waterproof and breathable PTFE film has a microporous structure, which makes it highly breathable while still waterproof;

[0042] The antibacterial layer 7 is made of a blend of bamboo fiber 701 and nano silver antibacterial fiber 702;

[0043] Bamboo fiber 701 has natural antibacterial, antibacterial, anti-mite, anti-odor and anti-ultraviolet functions;

[0044] Nanosilver antibacterial fiber 702 has excellent antibacterial properties. Nanosilver particles are extremely small and can penetrate the bacterial cell wall and inhibit its growth;

[0045] Specifically, the bamboo fiber 701 and the nano-silver antibacterial fiber 702 have an antibacterial effect, which can reduce the growth of bacteria, thereby improving the antibacterial performance of the fabric.

[0046] When the embodiment of the present application is in use: first, the polyester-spandex stretch fabric is a composite fabric consisting of a base fabric layer 1, a fire-retardant layer 3, a waterproof layer 5, and an antibacterial layer 7, wherein the base fabric layer 1 is made of a blend of polyester fiber 101, spandex fiber 102, polyether ester elastic fiber 103, and diene elastic fiber 104, and the polyester fiber 101, spandex fiber 102, polyether ester elastic fiber 103, and diene elastic fiber 104 are all elastic fibers, so that the fabric has high elasticity; secondly, the waterproof layer 5 is arranged on the surface of the fabric, and the waterproof layer 5 is composed of a waterproof lining layer 501, an adhesive layer 502, and a polymer waterproof breathable membrane 503; the waterproof lining layer 501 is made of a blend of polyester fiber 8 and polyamide fiber 9, and the polyester fiber 8 and the polyamide fiber 9 are closely arranged, and the pores are small enough to form a dense structure to prevent water molecules from passing through, and the polymer The waterproof and breathable membrane 503 is a polymer waterproof and breathable PTFE film that can intercept water molecules. Furthermore, the waterproof lining layer 501 and the polymer waterproof and breathable membrane 503 are hot-pressed and bonded together through the adhesive layer 502, so that the fabric has an excellent waterproof effect. When it rains, water is not easy to penetrate into the inside of the fabric, and the fabric is not easy to get wet. In addition, the fire-retardant layer 3 is made of a blend of aramid flame-retardant fiber 301, polybenzimidazole fiber 302, and phenolic fiber 303. The aramid flame-retardant fiber 301, polybenzimidazole fiber 302, and phenolic fiber 303 are all resistant to high temperatures and have flame-retardant properties, so that the fabric has a fire-retardant effect. The antibacterial layer 7 is made of a blend of bamboo fiber 701 and nano-silver antibacterial fiber 702. The bamboo fiber 701 and the nano-silver antibacterial fiber 702 have antibacterial effects and can reduce bacterial growth, thereby improving the antibacterial properties of the fabric.

[0047] Obviously, the embodiments described above are only some embodiments of the utility model, not all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

Claims

1. A polyester-spandex stretch fabric with good waterproof effect, characterized in that: The invention comprises a base fabric layer (1), a fire retardant layer (3), a waterproof layer (5) and an antibacterial layer (7); the fire retardant layer (3) is arranged on the upper surface of the base fabric layer (1), and the fire retardant layer (3) is tightly bonded to the base fabric layer (1) via a first adhesive layer (2); the waterproof layer (5) is arranged on the upper surface of the fire retardant layer (3), and the waterproof layer (5) is tightly bonded to the fire retardant layer (3) via a second adhesive layer (4); the waterproof layer (5) comprises a waterproof lining layer (501), an adhesive layer (502) and a polymer waterproof breathable membrane (503); the antibacterial layer (7) is arranged on the lower surface of the base fabric layer (1), and the antibacterial layer (7) is tightly bonded to the base fabric layer (1) via a third adhesive layer (6); the waterproof lining layer (501) is made of a blend of polyester fiber (8) and polyamide fiber (9).

2. The polyester-spandex stretch fabric with good waterproof effect according to claim 1, characterized in that: The first adhesive layer (2), the second adhesive layer (4) and the third adhesive layer (6) are all hot melt adhesives.

3. The polyester-spandex stretch fabric with good waterproof effect according to claim 1, characterized in that: The polymer waterproof and breathable membrane (503) is a polymer waterproof and breathable PTFE film.