Tear-resistant multi-layer composite fiber membrane structure

By introducing abrasion-resistant and tear-resistant structures into multilayer composite fiber membranes and utilizing the cross-distribution of high-strength fiber filaments and special fiber layers, the problem of insufficient tear resistance of multilayer composite fiber membranes is solved, achieving higher tear strength and abrasion resistance, ensuring the stability of the testing process and extending service life.

CN223904689UActive Publication Date: 2026-02-13上海杰一生物技术有限公司
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Patent Information

Application Number
CN202520075500.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-13
Publication Date
2026-02-13
Estimated Expiration
2035-01-13

AI Technical Summary

Technical Problem

Existing multilayer composite fiber membranes have insufficient tear resistance during testing, making them prone to breakage or tearing due to external forces, which affects the stability and accuracy of test results.

Method used

The design incorporates a wear-resistant and tear-resistant structures. The wear-resistant structure consists of a wear-resistant layer, through holes, and a first adhesive layer. The tear-resistant structure consists of a first fiber filament, a second fiber filament, and a second adhesive layer. The first and second fiber filaments are interwoven. The wear-resistant layer is made of special fibers with high strength and high modulus. The adhesive layer is made of materials such as silicone or polyvinyl alcohol.

Benefits of technology

This improves the tear resistance and abrasion resistance of multilayer composite fiber membranes, enhancing stability and service life during the testing process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of detection reagent consumables, and provides a tear-resistant multilayer composite fiber membrane structure, which comprises a wear-resistant structure, the bottom surface of the wear-resistant structure is adhered with a tear-resistant structure, the tear-resistant structure comprises first fibers, second fibers and a second adhesive layer, the top ends of the first fibers are adhered to the bottom surface of the wear-resistant structure, and the top ends of the second fibers are adhered to the bottom surface of the wear-resistant structure. Second fiber yarns are arranged on one sides of the first fiber yarns, and second bonding layers are bonded to the bottom ends of the second fiber yarns. Through the arrangement of the tear-resistant structure, the first fiber yarns and the second fiber yarns have the characteristics of high strength, high modulus, high temperature resistance and the like, and have good impact resistance and corrosion resistance, and the tensile strength and the tear strength are enhanced through the cross distribution of the first fiber yarns and the second fiber yarns; the device has a good anti-tearing function, and the tearing strength of the multi-layer composite fiber membrane is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to detection reagent consumable field, especially in kind of tear -resistant multilayer composite fiber membrane structure. BACKGROUND

[0002] Multilayer composite fiber membrane is used for detection reagent consumable, and the integrity and stability of membrane material during detection are ensured, and accurate and reliable detection results are ensured, and the membrane comprises multiple levels, each level bears a specific function, and constitutes a high-performance whole, for example, in lateral chromatographic detection, the membrane structure can be used as the solid-phase support medium of immune complex, direct interpretation of detection results is realized, and the membrane structure can be integrated with other auxiliary reagents to increase sample viscosity, prevent non-specific binding and improve sample physicochemical properties.

[0003] Multilayer composite fiber membrane needs to have high tensile properties to ensure that the membrane material will not be broken or torn due to external force during detection, but the existing membrane material is not perfect in this respect. UTILITY MODEL CONTENT

[0004] The utility model discloses a kind of tear -resistant multilayer composite fiber membrane structure, to solve the defect that the existing multilayer composite fiber membrane tear resistance is poor.

[0005] To solve the above technical problems, the utility model provides the following technical scheme: a kind of tear -resistant multilayer composite fiber membrane structure, including wear-resistant structure;

[0006] The bottom surface of the wear-resistant structure is attached with a tear-resistant structure;

[0007] The tear-resistant structure includes first fiber, second fiber and second adhesive layer, the top end of the first fiber is attached to the bottom surface of the wear-resistant structure, one side of the first fiber is provided with the second fiber, and the bottom end of the second fiber is attached with the second adhesive layer.

[0008] The bottom surface of the second adhesive layer is attached with a bottom layer.

[0009] Preferably, the bottom surface of the wear-resistant structure is attached to the top end of the second fiber, and the first fiber and the second fiber are cross-distributed.

[0010] Preferably, the bottom end of the first fiber is attached to the top surface of the second adhesive layer, and the first fiber and the second fiber are provided with multiple layers.

[0011] Preferably, the diameter of the first fiber is 4-28um, and the diameter of the second fiber is 4-28um.

[0012] Preferably, the wear-resistant structure comprises a wear-resistant layer, a through hole and a first adhesive layer, the wear-resistant layer is internally provided with a through hole, and the bottom surface of the wear-resistant layer is attached with the first adhesive layer.

[0013] Preferably, the thickness of the wear-resistant layer is 0.111-0.167mm, the density of the wear-resistant layer is 1.8g / cm 3 .

[0014] Preferably, the modulus of the wear-resistant layer is 91-140N / tex, and the through holes are distributed at equal intervals.

[0015] Preferably, the thickness of the bottom layer is 0.35-1mm, and the water absorption of the bottom layer is greater than 1000g.

[0016] The anti-tearing multilayer composite fiber membrane structure has the advantages that:

[0017] The first fiber and the second fiber have the characteristics of high strength, high modulus and high temperature resistance, and have good impact resistance and corrosion resistance, the tensile strength and tearing strength are enhanced through the cross distribution of the first fiber and the second fiber, the device has good anti-tearing function, and the tearing strength of the multilayer composite fiber membrane is improved.

[0018] The wear-resistant structure is provided with a wear-resistant layer, which is a special fiber and has the characteristics of high strength, high temperature resistance, corrosion resistance, low density, lightweight, high shock resistance and the like, and has higher strength than high molecular weight polyethylene, so that the device has good wear-resistant function and the service life of the multilayer composite fiber membrane is improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a three-dimensional explosion schematic view of the utility model;

[0020] Figure 2 It is a top view three-dimensional schematic view of the utility model;

[0021] Figure 3 It is a Figure 2 A enlarged schematic view;

[0022] Figure 4 It is a bottom view three-dimensional schematic view of the utility model.

[0023] The reference signs in the drawing are explained as follows: 1, wear-resistant structure; 101, wear-resistant layer; 102, through hole; 103, first adhesive layer; 2, tear-resistant structure; 201, first fiber; 202, second fiber; 203, second adhesive layer; 3, bottom layer. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0025] Please refer to Figures 1-4 The utility model provides a kind of tear-resistant multilayer composite fiber membrane structure, including wear-resistant structure 1.

[0026] Refer to Figure 1 As shown in, wear-resistant structure 1 includes wear-resistant layer 101, through hole 102 and first adhesive layer 103, wear-resistant layer 101 It is internally provided with through hole 102, the bottom surface of wear-resistant layer 101 is pasted with first adhesive layer 103, the thickness of wear-resistant layer 101 It is 0.111-0.167mm, the density of wear-resistant layer 101 It is 1.8g / cm 3 , the modulus of wear-resistant layer 101 It is 91-140N / tex, through hole 102 is equidistant distribution.

[0027] Wear-resistant layer 101 is a kind of special fiber, with high strength, high temperature resistance, corrosion resistance, low density, lightweight, high performance such as shock resistance, compared with high molecular weight polyethylene fiber strength is higher, realizes the good wear resistance of improved device.

[0028] Refer to Figure 1 As shown in, the bottom surface of wear-resistant structure 1 is pasted with tear-resistant structure 2, tear-resistant structure 2 includes first fiber filament 201, second fiber filament 202 and second adhesive layer 203, the top end of first fiber filament 201 It is pasted to the bottom surface of wear-resistant structure 1, one side of first fiber filament 201 It is all provided with second fiber filament 202, the bottom end of second fiber filament 202 It is pasted with second adhesive layer 203, the bottom surface of wear-resistant structure 1 It is pasted with the top end of second fiber filament 202 and connected, first fiber filament 201 With second fiber filament 202 it is cross distribution, the bottom end of first fiber filament 201 With the top surface of second adhesive layer 203 It is pasted and connected, first fiber filament 201 With second fiber filament 202 It is provided with multiple layers, the diameter of first fiber filament 201 It is 4-28um, the diameter of second fiber filament 202 It is 4-28um, the bottom surface of second adhesive layer 203 It is pasted with bottom layer 3, the thickness of bottom layer 3 It is 0.35-1mm, the water absorption of bottom layer 3 It is greater than 1000g.

[0029] Both the first fiber filament 201 and the second fiber filament 202 have high strength, high modulus, and high temperature resistance, as well as good impact resistance and corrosion resistance. The cross-distribution of the first fiber filament 201 and the second fiber filament 202 enhances their tensile strength and tear strength, thus enabling the device to have good tear resistance.

[0030] In summary, as Figures 1-4 As shown, in use, the wear-resistant layer 101 is a carbon fiber layer that comes into direct contact with the reagent and has good chemical stability and corrosion resistance to resist mechanical wear during the detection process. The first fiber filament 201 and the second fiber filament 202 are glass fibers, which are high-performance inorganic non-metallic materials. The first adhesive layer 103 and the second adhesive layer 203 are adhesives (e.g., silicone, polyvinyl alcohol, etc.) with good adhesive properties. The bottom layer 3 has good water absorption properties and is made of ultrafine fibers, which also have the function of fabrication.

[0031] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A tear-resistant multi-layer composite fiber membrane structure, comprising a wear-resistant structure (1); Characterized in that: The bottom surface of the wear-resistant structure (1) is attached with a tear-resistant structure (2); The tear-resistant structure (2) comprises first fiber filaments (201), second fiber filaments (202) and a second adhesive layer (203), the top ends of the first fiber filaments (201) are attached to the bottom surface of the wear-resistant structure (1), one side of the first fiber filaments (201) is provided with the second fiber filaments (202), and the bottom ends of the second fiber filaments (202) are attached with the second adhesive layer (203); The bottom surface of the second adhesive layer (203) is attached with a bottom layer (3).

2. The tear resistant multilayer composite fiber membrane structure according to claim 1, characterized in that: The bottom surface of the wear-resistant structure (1) is attached with the top ends of the second fiber filaments (202), and the first fiber filaments (201) and the second fiber filaments (202) are cross-distributed.

3. The tear resistant multilayer composite fiber membrane structure according to claim 1, characterized in that: The bottom ends of the first fiber filaments (201) are attached with the top surface of the second adhesive layer (203), and the first fiber filaments (201) and the second fiber filaments (202) are provided with multiple layers.

4. The tear resistant multilayer composite fiber membrane structure according to claim 1, characterized in that: The diameter of the first fiber filaments (201) is 4-28um, and the diameter of the second fiber filaments (202) is 4-28um.

5. The tear resistant multilayer composite fiber membrane structure according to claim 1, wherein: The wear-resistant structure (1) comprises a wear-resistant layer (101), through holes (102) and a first adhesive layer (103), the wear-resistant layer (101) is internally provided with the through holes (102), and the bottom surface of the wear-resistant layer (101) is attached with the first adhesive layer (103).

6. The tear resistant multilayer composite fiber membrane structure according to claim 5, wherein: The thickness of the wear resistant layer (101) is 0.111-0.167 mm, the density of the wear resistant layer (101) is 1.8 g / cm 3 .

7. The tear resistant multilayer composite fiber membrane structure according to claim 5, wherein: The modulus of the wear-resistant layer (101) is 91-140N / tex, and the through holes (102) are equidistantly distributed.

8. The tear resistant multilayer composite fiber membrane structure of claim 1, wherein: The thickness of the bottom layer (3) is 0.35-1mm, and the water absorption of the bottom layer (3) is greater than 1000g.