Chitosan corrugated flow guide type nonwoven fabric

Abstract

The utility model discloses a kind of chitosan wave flow guide type non-woven fabrics, belong to non-woven fabric technical field, including non-woven fabric layer and textile cloth layer, the textile cloth layer adopts 4-way rib arrangement, front needle bed arrangement order is ABCB, rear needle bed arrangement order is B empty A empty, in the 4-way rib arrangement of the textile cloth layer, first and third adopt chitosan yarn as front, second and fourth adopt cotton yarn as back, the non-woven fabric layer and textile cloth layer between by glue layer adhesion and roller axle pressurization combination's hot-pressing composite mode are compounded, the utility model is compounded by non-woven fabric layer and textile cloth layer, the advantage of combining textile cloth and non-woven fabric, improve the material strength of overall, tensile deformation capacity and liquid absorption diffusion capacity;And wave flow guide type line produces similar capillary effect, improve the liquid absorption capacity and moisture permeability of medical health product material, and do not affect chitosan yarn as diffusion type antibacterial textile's antibacterial efficacy exert.

Description

Technical Field

[0001] This utility model discloses a nonwoven fabric technology, and in particular relates to a chitosan wave-guided nonwoven fabric. Background Technology

[0002] Chitosan is a natural biopolymer synthesized from chitin through deacetylation. It is a type of aminopolysaccharide, and many chemical substances can be obtained by chemically modifying its active functional groups. Due to its various biological functions such as hemostasis, antibacterial activity, wound healing, analgesia, and reduction of scar hyperplasia, chitosan has been widely used in the research of biodegradable and absorbable biomedical hemostatic materials, damaged tissue regeneration and repair materials, tissue engineering scaffold materials, and sustained-release carrier materials.

[0003] Current chitosan hygiene products are generally manufactured using nonwoven fabric technology or by applying chitosan antibacterial finishing to other fiber products. However, based on current usage, the strength of purely nonwoven products is insufficient, and their tensile deformation capacity and liquid absorption and diffusion capabilities are very limited. Therefore, a new type of product is needed. Utility Model Content

[0004] The purpose of this invention is to provide a chitosan wave-guided nonwoven fabric to solve the above-mentioned problems.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a chitosan wave-guided nonwoven fabric, comprising a nonwoven fabric layer and a woven fabric layer. The woven fabric layer adopts a 4-way rib arrangement, with the front needle bed arrangement sequence being ABCB and the rear needle bed arrangement sequence being B-empty-A-empty. In the 4-way rib arrangement of the woven fabric layer, the first and third ribs use chitosan yarn as the front side, and the second and fourth ribs use cotton yarn as the back side. The nonwoven fabric layer and the woven fabric layer are composited by a hot-pressing composite method combining adhesive bonding and roller pressure.

[0006] Preferably, the padding yarn of the textile layer is as follows:

[0007] GBl: 1-0 / 4-5 / 3-2 / 6-7 / 5-4 / 8-9 / 7-6 / 1O-11 / 9-8 / (12-13 / l0-9)×7 / 12-13 / 9-8 / 10-11 / 7-6 / 8-9 / 5-4 / 6-7 / 3-2 / 4-5 / (1-0 / 3-4)×7 / / ;

[0008] GB2: (1-1 / 1-0 / 0-0 / 0-1)×12 / l-0 / 0-l / / ;

[0009] GB3: 2-3 / l-0 / / , 20B;

[0010] GB4: l-0 / 1-2 / / , 20B.

[0011] Preferably, the front side of the textile layer has a transverse density of 25 rows / 5cm and a longitudinal density of 40 rows / 5m, while the reverse side has a transverse density of 12.5 rows / 5cm and a longitudinal density of 20 rows / 5m.

[0012] Preferably, the loop length of the woven fabric layer is controlled between 6.0mm and 6.6mm.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] By combining nonwoven and woven layers, the problems of insufficient material strength, tensile deformation capacity, and liquid absorption and diffusion capacity of medical and hygiene products that use only nonwoven fabrics are improved. By combining the advantages of woven and nonwoven fabrics, the overall material strength, tensile deformation capacity, and liquid absorption and diffusion capacity are improved.

[0015] Furthermore, the wave-shaped flow-guiding texture produces a capillary-like effect. Compared to simply using non-woven fabric, this structure can drive liquid absorption and diffusion, improving the liquid absorption and moisture permeability of medical and hygiene product materials, without affecting the antibacterial efficacy of chitosan yarn as a diffusion-type antibacterial textile. Attached Figure Description

[0016] Figure 1 A schematic diagram of the structure of a chitosan wave-shaped nonwoven fabric;

[0017] Figure 2 This is a magnified view of a section of the wavy, flow-guiding texture on the front side of the textile layer.

[0018] Figure 3 This is a 4-way rib knit pattern for a textile layer. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing the present utility model and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present utility model.

[0020] A chitosan wave-shaped nonwoven fabric, such as Figure 1 and Figure 3 As shown, it includes a non-woven fabric layer and a woven fabric layer. The woven fabric layer adopts a 4-way rib arrangement, with the front needle bed arrangement sequence being ABCB and the rear needle bed arrangement sequence being B-empty-A-empty. In the 4-way rib arrangement of the woven fabric layer, the first and third ribs use chitosan yarn as the front side, and the second and fourth ribs use cotton yarn as the back side. The non-woven fabric layer and the woven fabric layer are bonded together by a combination of adhesive bonding and roller pressure through a hot-pressing composite method. After the non-woven fabric layer and the woven fabric layer are coated with thermoplastic polyester, the non-woven fabric layer and the woven fabric layer are pressed together by rollers, and then the thermoplastic polyester is melted by ultrasonic heating. After cooling, the non-woven fabric layer and the woven fabric layer are bonded together.

[0021] The yarn count for the padding in the textile layer is as follows:

[0022] GBl: 1-0 / 4-5 / 3-2 / 6-7 / 5-4 / 8-9 / 7-6 / 1O-11 / 9-8 / (12-13 / l0-9)×7 / 12-13 / 9-8 / 10-11 / 7-6 / 8-9 / 5-4 / 6-7 / 3-2 / 4-5 / (1-0 / 3-4)×7 / / ;

[0023] GB2: (1-1 / 1-0 / 0-0 / 0-1)×12 / l-0 / 0-l / / ;

[0024] GB3: 2-3 / l-0 / / , 20B;

[0025] GB4: l-0 / 1-2 / / , 20B;

[0026] The fabric layer has a warp density of 25 rows / 5cm and a weft density of 40 rows / 5m on the front side, and a warp density of 12.5 rows / 5cm and a weft density of 20 rows / 5m on the reverse side. The fabric layer is composed of a combination of jacquard and rib knit weaves. Figure 2 As shown, the front side of the fabric is formed by chitosan single yarn to create a wave-like flow pattern, while the reverse side is formed by cotton yarn to create a rib pattern. The loop length of the woven fabric layer is controlled between 6.0mm and 6.6mm. For the double-sided woven fabric layer, the bending depth is reasonably adjusted, and the loop height ratio of the front and reverse sides is adjusted to reduce the occurrence of curling edges in the woven fabric layer.

[0027] When nonwoven and woven fabric layers are combined and used as materials for medical and hygiene products, the wave-like flow-guiding texture creates a capillary-like effect. Compared to using nonwoven fabric alone, this structure can drive liquid absorption and diffusion, improving the liquid absorption and moisture permeability of medical and hygiene products without affecting the antibacterial efficacy of chitosan yarn as a diffusion-type antibacterial textile. Furthermore, the composite structure improves the insufficient strength, tensile deformation capacity, and liquid absorption and diffusion capacity of medical and hygiene products using only nonwoven fabric. By combining the advantages of woven and nonwoven fabrics, the overall material strength, tensile deformation resistance, and liquid absorption and diffusion capacity are improved.

[0028] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0029] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A chitosan wave-shaped nonwoven fabric, characterized in that: It includes a non-woven fabric layer and a woven fabric layer. The woven fabric layer adopts a 4-way rib arrangement, with the front needle bed arrangement sequence being ABCB and the rear needle bed arrangement sequence being B-empty-A-empty. In the 4-way rib arrangement of the woven fabric layer, the first and third ribs use chitosan yarn as the front side, and the second and fourth ribs use cotton yarn as the back side. The non-woven fabric layer and the woven fabric layer are bonded together by a hot-pressing composite method that combines adhesive bonding and roller pressure.

2. The chitosan wave-shaped nonwoven fabric according to claim 1, characterized in that: The padding yarn numbers for the textile fabric layers are as follows: GBl: 1-0 / 4-5 / 3-2 / 6-7 / 5-4 / 8-9 / 7-6 / 1O-11 / 9-8 / (12-13 / l0-9)×7 / 12-13 / 9-8 / 10-11 / 7-6 / 8-9 / 5-4 / 6-7 / 3-2 / 4-5 / (1-0 / 3-4)×7 / / ; GB2: (1-1 / 1-0 / 0-0 / 0-1)×12 / l-0 / 0-l / / ; GB3: 2-3 / l-0 / / , 20B; GB4: l-0 / 1-2 / / , 20B.

3. The chitosan wave-shaped nonwoven fabric according to claim 2, characterized in that: The front side of the textile layer has a horizontal density of 25 rows / 5cm and a vertical density of 40 rows / 5m, while the reverse side has a horizontal density of 12.5 rows / 5cm and a vertical density of 20 rows / 5m.

4. A chitosan wave-shaped nonwoven fabric according to any one of claims 1-3, characterized in that: The length of the loops woven in the textile layer is controlled between 6.0mm and 6.6mm.

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