Degradable tear-resistant non-woven fabric and non-woven fabric packaging bag
By adopting a multi-layer structure design and microporous structure setting, the problem of existing degradable non-woven fabrics lacking anti-corrosion performance is solved, significantly improving its anti-corrosion and tear resistance, and extending its service life.
Patent Information
- Application Number
- CN202422028530.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-21
- Publication Date
- 2025-07-01
- Estimated Expiration
- 2034-08-21
AI Technical Summary
The existing degradable non-woven fabrics are relatively single in function and lack anticorrosion properties, which affects their service life.
The design of a multi-layer structure is adopted, including a first anti-corrosion layer, a first degradable non-woven fabric layer, a first tear-resistant degradable fiber mesh layer, a second degradable non-woven fabric layer, a second tear-resistant degradable fiber mesh layer and a second anti-corrosion layer, and the arrangement of the microporous structure is to enhance the anti-corrosion and tear resistance.
The anti-corrosion and tear resistance of the degradable non-woven fabric is significantly improved, thereby extending its service life.
Smart Images

Figure CN223046280U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of non-woven fabrics, in particular to a degradable and tear-resistant non-woven fabric and a non-woven fabric packaging bag. Background Art
[0002] Non-woven fabrics, also known as non-woven cloth, needle-punched cotton, needle-punched non-woven fabrics, etc., are produced from polyester fibers and polyester fibers (abbreviation: PET) materials and are made through a needle-punching process, and can be made into different thicknesses, hand feelings, hardnesses, etc. Non-woven fabrics have the characteristics of moisture-proof, breathable, flexible, light, flame-retardant, non-toxic and odorless, low price, recyclable, etc. They can be used in different industries, such as sound insulation, heat insulation, heating sheets, masks, clothing, medical use, filling materials, etc.
[0003] At present, in order to improve environmental protection, degradable non-woven fabrics have begun to appear on the market. However, the existing degradable non-woven fabrics have relatively single functions, such as not having anti-corrosion performance, etc., which will, to a certain extent, affect the service life of the degradable non-woven fabrics. Therefore, a degradable and tear-resistant non-woven fabric and a non-woven fabric packaging bag are invented. Summary of the Utility Model
[0004] In view of the above and / or existing problems in a degradable and tear-resistant non-woven fabric and a non-woven fabric packaging bag, the present utility model is proposed.
[0005] Therefore, the purpose of the present utility model is to provide a degradable and tear-resistant non-woven fabric and a non-woven fabric packaging bag, which can solve the above-mentioned existing problems.
[0006] To solve the above technical problems, according to one aspect of the present utility model, the following technical solutions are provided:
[0007] A degradable and tear-resistant non-woven fabric, which comprises:
[0008] A first anti-corrosion layer;
[0009] A first degradable non-woven fabric layer, and the first degradable non-woven fabric layer is arranged on the upper surface of the first anti-corrosion layer;
[0010] A first tear-resistant and degradable fiber mesh layer, and the first tear-resistant and degradable fiber mesh layer is arranged on the upper surface of the first degradable non-woven fabric layer;
[0011] A second degradable non-woven fabric layer, and the second degradable non-woven fabric layer is arranged on the upper surface of the first tear-resistant and degradable fiber mesh layer;
[0012] A second tear-resistant and degradable fiber mesh layer, and the second tear-resistant and degradable fiber mesh layer is arranged on the upper surface of the second degradable non-woven fabric layer;
[0013] A third degradable non-woven fabric layer, which is disposed on the upper surface of the second tear-resistant degradable fiber mesh layer;
[0014] A second anti-corrosion layer, which is disposed on the upper surface of the third degradable non-woven fabric layer.
[0015] As a preferred embodiment of the degradable tear-resistant non-woven fabric of the present invention, wherein: the first anti-corrosion layer is made of a starch-based biodegradable material, and the second anti-corrosion layer is made of a bio-based biodegradable material.
[0016] As a preferred embodiment of the degradable tear-resistant non-woven fabric of the present invention, wherein: a plurality of first micro-holes are formed in the first anti-corrosion layer, a plurality of second micro-holes are formed in the first degradable non-woven fabric layer, a plurality of third micro-holes are formed in the first tear-resistant degradable fiber mesh layer, a plurality of fourth micro-holes are formed in the second degradable non-woven fabric layer, a plurality of fifth micro-holes are formed in the second tear-resistant degradable fiber mesh layer, a plurality of sixth micro-holes are formed in the third degradable non-woven fabric layer, and a plurality of seventh micro-holes are formed in the second anti-corrosion layer.
[0017] As a preferred embodiment of the degradable tear-resistant non-woven fabric of the present invention, wherein: the first micro-holes are aligned with the second micro-holes, and the second micro-holes are aligned with the third micro-holes.
[0018] As a preferred embodiment of the degradable tear-resistant non-woven fabric of the present invention, wherein: the third micro-holes are aligned with the fourth micro-holes, and the fourth micro-holes are aligned with the fifth micro-holes.
[0019] As a preferred embodiment of the degradable tear-resistant non-woven fabric of the present invention, wherein: the fifth micro-holes are aligned with the sixth micro-holes, and the sixth micro-holes are aligned with the seventh micro-holes.
[0020] A degradable tear-resistant non-woven fabric packaging bag, comprising the above-mentioned degradable tear-resistant non-woven fabric. A folding line is provided in the middle of the degradable tear-resistant non-woven fabric so that the degradable tear-resistant non-woven fabric can be folded along the folding line. Sewing areas are provided at both ends of the degradable tear-resistant non-woven fabric so that after the degradable tear-resistant non-woven fabric is folded, it can be sewn along the sewing areas.
[0021] As a preferred embodiment of the degradable tear-resistant non-woven fabric packaging bag of the present invention, wherein: handles are provided at both ends of the non-woven fabric, and the handles are made of the degradable tear-resistant non-woven fabric.
[0022] Compared with the prior art:
[0023] By setting the first anti-corrosion layer and the second anti-corrosion layer, and by further setting the first tear-resistant degradable fiber mesh layer and the second tear-resistant degradable fiber mesh layer, the anti-corrosion performance and tear resistance of the degradable non-woven fabric can be improved, thereby to a certain extent, the service life of the degradable non-woven fabric can be extended. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] Figure 1 It is a schematic cross-sectional view of the degradable tear-resistant non-woven fabric of the present utility model;
[0025] Figure 2 It is a schematic structural view of the degradable tear-resistant non-woven fabric of the present utility model;
[0026] Figure 3 It is a schematic unfolded view of the non-woven fabric packaging bag of the present utility model;
[0027] Figure 4 It is a schematic front view of the non-woven fabric packaging bag of the present utility model.
[0028] In the figure: the first anti-corrosion layer 10, the first degradable non-woven fabric layer 20, the first tear-resistant degradable fiber mesh layer 30, the second degradable non-woven fabric layer 40, the second tear-resistant degradable fiber mesh layer 50, the third degradable non-woven fabric layer 60, the second anti-corrosion layer 70, the folding line 110, the sewing area 120, the handle 130. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0029] To make the objectives, technical solutions and advantages of the present utility model clearer, the embodiments of the present utility model will be further described in detail below with reference to the accompanying drawings.
[0030] The present utility model provides a degradable tear-resistant non-woven fabric. Please refer to Figures 1-4 , which includes: the first anti-corrosion layer 10, the first degradable non-woven fabric layer 20, the first tear-resistant degradable fiber mesh layer 30, the second degradable non-woven fabric layer 40, the second tear-resistant degradable fiber mesh layer 50, the third degradable non-woven fabric layer 60, the second anti-corrosion layer 70;
[0031] The first degradable non-woven fabric layer 20 is disposed on the upper surface of the first anti-corrosion layer 10. The first tear-resistant degradable fiber mesh layer 30 is disposed on the upper surface of the first degradable non-woven fabric layer 20. The second degradable non-woven fabric layer 40 is disposed on the upper surface of the first tear-resistant degradable fiber mesh layer 30. The second tear-resistant degradable fiber mesh layer 50 is disposed on the upper surface of the second degradable non-woven fabric layer 40. The third degradable non-woven fabric layer 60 is disposed on the upper surface of the second tear-resistant degradable fiber mesh layer 50. The second anti-corrosion layer 70 is disposed on the upper surface of the third degradable non-woven fabric layer 60. A plurality of first micropores are formed in the first anti-corrosion layer 10. A plurality of second micropores are formed in the first degradable non-woven fabric layer 20. A plurality of third micropores are formed in the first tear-resistant degradable fiber mesh layer 30. A plurality of fourth micropores are formed in the second degradable non-woven fabric layer 40. A plurality of fifth micropores are formed in the second tear-resistant degradable fiber mesh layer 50. A plurality of sixth micropores are formed in the third degradable non-woven fabric layer 60. A plurality of seventh micropores are formed in the second anti-corrosion layer 70. The first micropores are aligned with the second micropores. The second micropores are aligned with the third micropores. The third micropores are aligned with the fourth micropores. The fourth micropores are aligned with the fifth micropores. The fifth micropores are aligned with the sixth micropores. The sixth micropores are aligned with the seventh micropores.
[0032] The first anti-corrosion layer 10 is made of a starch-based biodegradable material, and the starch-based biodegradable material includes but is not limited to starch-based biodegradable plastics and plasticizable starch materials. The second anti-corrosion layer 70 is made of a bio-based biodegradable material, and the bio-based biodegradable material includes but is not limited to bioplastics and bio-based fibers. The first degradable non-woven fabric layer 20, the second degradable non-woven fabric layer 40, and the third degradable non-woven fabric layer 60 are all made of degradable polylactic acid non-woven fabrics. The first tear-resistant degradable fiber mesh layer 30 and the second tear-resistant degradable fiber mesh layer 50 are both made of pure cotton fiber meshes.
[0033] Preparation process: The first anti-corrosion layer 10, the first degradable non-woven fabric layer 20, the first tear-resistant degradable fiber mesh layer 30, the second degradable non-woven fabric layer 40, the second tear-resistant degradable fiber mesh layer 50, the third degradable non-woven fabric layer 60, and the second anti-corrosion layer 70 are sequentially arranged from bottom to top to obtain the degradable tear-resistant non-woven fabric.
[0034] A degradable tear-resistant non-woven fabric packaging bag includes the above-mentioned degradable tear-resistant non-woven fabric. A folding line 110 is provided in the middle of the degradable tear-resistant non-woven fabric so that the degradable tear-resistant non-woven fabric can be folded along the folding line 110. Sewing areas 120 are provided at both ends of the degradable tear-resistant non-woven fabric so that after the degradable tear-resistant non-woven fabric is folded, it can be sewn along the sewing areas 120. Handles 130 are provided at both ends of the non-woven fabric, and the handles 130 are made of the degradable tear-resistant non-woven fabric.
[0035] Preparation process: First, fold the degradable tear-resistant non-woven fabric along the folding line 110. After folding, sew along the sewing area 120. After sewing is completed, the degradable tear-resistant non-woven fabric packaging bag can be obtained.
[0036] Although the present utility model has been described above with reference to the embodiments, various improvements can be made to it and components therein can be replaced with equivalents without departing from the scope of the present utility model. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present utility model can be combined with each other in any way. The reason for not exhaustively describing the situations of these combinations in this specification is only to save space and resources. Therefore, the present utility model is not limited to the specific embodiments disclosed in the text, but includes all technical solutions falling within the scope of the claims.
Claims
1. A degradable tear-resistant nonwoven fabric, characterized in that: include: A first anti-corrosion layer (10); A first degradable non-woven fabric layer (20), wherein the first degradable non-woven fabric layer (20) is disposed on the upper surface of the first anti-corrosion layer (10); A first tear-resistant and degradable fiber mesh layer (30), wherein the first tear-resistant and degradable fiber mesh layer (30) is arranged on the upper surface of the first degradable non-woven fabric layer (20); A second degradable non-woven fabric layer (40), wherein the second degradable non-woven fabric layer (40) is disposed on the upper surface of the first tear-resistant degradable fiber mesh fabric layer (30); A second tear-resistant and degradable fiber mesh layer (50), wherein the second tear-resistant and degradable fiber mesh layer (50) is arranged on the upper surface of the second degradable non-woven fabric layer (40); A third degradable non-woven fabric layer (60), wherein the third degradable non-woven fabric layer (60) is disposed on the upper surface of the second tear-resistant degradable fiber mesh fabric layer (50); A second anti-corrosion layer (70), wherein the second anti-corrosion layer (70) is disposed on the upper surface of the third degradable non-woven fabric layer (60).
2. The degradable tear-resistant nonwoven fabric according to claim 1, characterized in that: The first anti-corrosion layer (10) is made of a starch-based biodegradable material, and the second anti-corrosion layer (70) is made of a bio-based degradable material.
3. The degradable tear-resistant nonwoven fabric according to claim 1, characterized in that: The first anti-corrosion layer (10) has a plurality of first micropores, the first degradable non-woven fabric layer (20) has a plurality of second micropores, the first tear-resistant degradable fiber mesh layer (30) has a plurality of third micropores, the second tear-resistant degradable fiber mesh layer (40) has a plurality of fourth micropores, the second tear-resistant degradable fiber mesh layer (50) has a plurality of fifth micropores, the third degradable non-woven fabric layer (60) has a plurality of sixth micropores, and the second anti-corrosion layer (70) has a plurality of seventh micropores.
4. The degradable tear-resistant nonwoven fabric according to claim 3, characterized in that: The first micro-hole is aligned with the second micro-hole, and the second micro-hole is aligned with the third micro-hole.
5. The degradable tear-resistant nonwoven fabric according to claim 4, characterized in that: The third micro-hole is aligned with the fourth micro-hole, and the fourth micro-hole is aligned with the fifth micro-hole.
6. The degradable tear-resistant nonwoven fabric according to claim 5, characterized in that: The fifth micro-hole is aligned with the sixth micro-hole, and the sixth micro-hole is aligned with the seventh micro-hole.
7. A degradable tear-resistant non-woven packaging bag, comprising the degradable tear-resistant non-woven fabric according to any one of claims 1 to 6, characterized in that: A folding line (110) is provided in the middle of the degradable tear-resistant non-woven fabric so that the degradable tear-resistant non-woven fabric can be folded along the folding line (110), and sewing areas (120) are provided at both ends of the degradable tear-resistant non-woven fabric so that the degradable tear-resistant non-woven fabric can be sewn along the sewing areas (120) after being folded.
8. The degradable tear-resistant non-woven packaging bag according to claim 7, characterized in that: Both ends of the non-woven fabric are provided with handles (130), and the handles (130) are made of degradable and tear-resistant non-woven fabric.