Non-woven reinforced needle-punched non-woven fabric braid

Abstract

The utility model provides a non-woven reinforced needle-punched non-woven fabric braid which comprises a woven belt (1) and a non-woven fabric layer (2), the woven belt (1) is made of synthetic fibers or blend fibers through the weaving technology, and the non-woven fabric layer (2) is arranged on the outer surface of the woven belt (1) in a sleeved mode. The non-woven fabric layer (2) is sleeved on the outer surface of the woven belt (1); the non-woven fabric layer (2) is combined with the woven belt (1) through a needling process, the needling density is 50-150 needles / cm < 2 >, and the needling depth is 3-17 mm; the needling process enables non-woven fabric fibers and woven belt fibers to form a three-dimensional entangled structure, and the non-woven fabric fibers are embedded in warp-wise and weft-wise weaving gaps of the woven belt (1). The woven belt solves the problem that the traditional woven belt is easy to scatter and loosen due to edge abrasion in long-term use.

Description

Technical Field

[0001] This utility model relates to the field of nonwoven materials technology, and more specifically, to a nonwoven reinforced needle-punched nonwoven webbing. Background Technology

[0002] Traditional woven tapes are prone to fraying and loosening due to edge wear over long-term use, and the surface roughness of a single woven tape is relatively high, resulting in poor comfort when in direct contact with the skin. Non-woven fabrics alone lack sufficient strength to meet high load requirements. Existing technologies using adhesive bonding processes suffer from problems such as easy aging and poor environmental performance. This invention addresses these issues by incorporating woven tapes into non-woven fabric and optimizing needle-punching process parameters to achieve interlocking fiber bonding, balancing strength and softness. Utility Model Content

[0003] Based on this, in order to solve the problem that traditional woven tapes are prone to fraying and loosening due to edge wear during long-term use, this utility model provides a nonwoven reinforced needle-punched nonwoven tape, the specific technical solution of which is as follows:

[0004] A nonwoven reinforced needle-punched nonwoven tape, comprising

[0005] Braided tape (1), the braided tape (1) is made of synthetic fibers or blended fibers by a braiding process;

[0006] Non-woven fabric layer (2), the non-woven fabric layer (2) is sleeved on the outer surface of the braided belt (1);

[0007] The nonwoven fabric layer (2) is combined with the woven tape (1) by needle punching process, with a needle punching density of 50 needles / cm2-150 needles / cm2 and a needle punching depth of 3mm-17mm;

[0008] The needle punching process causes the nonwoven fibers and the braided tape fibers to form a three-dimensional entangled structure, and the nonwoven fibers are embedded in the warp and weft weaving gaps of the braided tape (1).

[0009] Furthermore, the braided tape (1) is a PBO-Zylon coated braided tape or a Kevlar braided tape with a thickness of 0.5mm-3.0mm; the nonwoven layer (2) is a needle-punched nonwoven fabric made of polyester fiber or polypropylene fiber with a basis weight of 50g / m2-300g / m2.

[0010] Furthermore, the acupuncture process is divided into two stages: pre-puncture and main puncture. The pre-puncture needle (3) has a needle density of 50 needles / cm² - 70 needles / cm², and the main puncture needle (3) has a needle density of 80 needles / cm² - 150 needles / cm². 2 The depth of the pre-puncture needle (3) is 10mm-14mm, and the depth of the main needle (3) is 6mm-9mm.

[0011] Furthermore, the edge of the woven tape (1) is provided with a reinforcing edge treatment layer (3), which is fixed by hot melting or sewing process; the reinforcing edge treatment layer (3) is made of G3 wear-resistant material and has a width of 2mm-8mm.

[0012] Compared with the prior art, the beneficial effects of this application include the following:

[0013] 1. Structural synergy effect: woven tape provides skeleton strength, nonwoven fabric disperses local stress, and needle-punched entanglement structure prevents crack propagation;

[0014] 2. Process compatibility: Staged needle punching avoids excessive fiber damage (pre-punching penetration layer + main needle densification). Attached Figure Description

[0015] The present invention can be further understood from the following description taken in conjunction with the accompanying drawings. The components in the drawings are not necessarily drawn to scale; rather, the focus is on illustrating the principles of the embodiments. In different views, the same reference numerals designate corresponding parts.

[0016] Figure 1 This is a schematic diagram illustrating the processing of nonwoven reinforced needle-punched nonwoven fabric webbing according to an embodiment of this utility model.

[0017] Explanation of reference numerals in the attached figures:

[0018] 1- Braided strip; 2- Non-woven fabric layer; 3- Needle. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of this utility model clearer, the following detailed description is provided in conjunction with its embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and do not limit its scope of protection.

[0020] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0021] In this utility model, "first" and "second" do not represent a specific quantity or order, but are merely used to distinguish names.

[0022] like Figure 1As shown, a nonwoven reinforced needle-punched nonwoven tape according to one embodiment of the present invention includes a woven tape (1) and a nonwoven layer (2). The woven tape (1) is made of synthetic fibers or blended fibers through a weaving process. The nonwoven layer (2) is sleeved on the outer surface of the woven tape (1). The nonwoven layer (2) is sleeved on the outer surface of the woven tape (1). The nonwoven layer (2) is combined with the woven tape (1) through a needle-punching process. The needle-punching density is 50 needles / cm2-150 needles / cm2, and the needle-punching depth is 3mm-17mm. The needle-punching process makes the nonwoven fibers and the woven tape fibers form a three-dimensional entangled structure. The nonwoven fibers are embedded in the warp and weft weave gaps of the woven tape (1).

[0023] In one embodiment, the braided tape (1) is a PBO-Zylon coated braided tape or a Kevlar braided tape with a thickness of 0.5mm-3.0mm; the nonwoven layer (2) is a needle-punched nonwoven fabric made of polyester fiber or polypropylene fiber with a basis weight of 50g / m2-300g / m2.

[0024] In one embodiment, the acupuncture process is divided into two stages: pre-puncture and main puncture. The density of the pre-puncture needle (3) is 50 needles / cm2-70 needles / cm2, and the density of the main puncture needle (3) is 80 needles / cm2-150 needles / cm2. The depth of the pre-puncture needle (3) is 10mm-14mm, and the depth of the main puncture needle (3) is 6mm-9mm.

[0025] In one embodiment, the edge of the braided tape (1) is provided with a reinforcing edge treatment layer, which is fixed by hot melting or sewing process; the reinforcing edge treatment layer is made of G3 wear-resistant material and has a width of 2mm-8mm.

[0026] Example 1:

[0027] 1.1 Test Object:

[0028] Braided tape: Kevlar 49 fiber, 2.5mm thick, 8-ply braid;

[0029] Nonwoven fabric: 150g / m2 polyester fiber, 3D fineness;

[0030] Pre-stab parameters: density 60 stabs / cm2, depth 12mm; main stab parameters: density 120 stabs / cm2, depth 8mm;

[0031] 1.2 Test Results:

[0032] Tensile strength: 18% higher than that of a single braided tape (up to 5.2 GPa);

[0033] Abrasion resistance (ASTM D3886): >10,000 cycles of friction without fraying;

[0034] Joint strength: 3.8 GPa (92% of the strength of the braided tape).

[0035] Analysis of the test results shows that, compared with the prior art, the beneficial effects of this application include the following:

[0036] 1. Structural synergy effect: woven tape provides skeleton strength, nonwoven fabric disperses local stress, and needle-punched entanglement structure prevents crack propagation;

[0037] 2. Process compatibility: Staged needle punching avoids excessive fiber damage (pre-punching penetration layer + main needle densification).

[0038] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0039] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A nonwoven reinforced needled nonwoven webbing, characterized in that, The invention relates to a woven belt (1) and a non-woven fabric layer (2) covering the outer surface of the woven belt (1). The non-woven fabric layer (2) is combined with the woven belt (1) through a needle punching process, with a needle punching density of 50-150 / cm2 and a needle punching depth of 3-17mm. The needle punching process forms a three-dimensional entanglement structure between the non-woven fabric fibers and the woven belt fibers, with the non-woven fabric fibers embedded in the warp and weft weaving gaps of the woven belt (1). The woven belt (1) is a PBO-Zylon coated woven belt or a Kevlar woven belt, with a thickness of 0.5-3.0mm; the non-woven fabric layer (2) is a needle punched non-woven fabric made of polyester fibers or polypropylene fibers, with a grammage of 50-300g / m2. The needle punching process is divided into two stages: pre-punching and main punching, with a pre-punching needle (3) density of 50-70 / cm2 and a main punching needle (3) density of 80-150 / cm2; the pre-punching needle (3) depth is 10-14mm and the main punching needle (3) depth is 6-9mm.

2. The nonwoven reinforced needled nonwoven webbing of claim 1, wherein, The edges of the woven belt (1) are provided with a reinforced edge treatment layer, which is fixed through a hot melting or sewing process; the reinforced edge treatment layer is made of G3 wear-resistant material, with a width of 2-8mm.

3. The nonwoven reinforced needle-punched nonwoven webbing of claim 1, wherein, The woven belt (1) is made of synthetic fibers or blended fibers through a weaving process.

4. The nonwoven reinforced needle-punched nonwoven webbing of claim 1, wherein, ​ 5. The nonwoven reinforced needle-punched nonwoven webbing of claim 1, wherein, ​

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