Double-sided differential spunlace non-woven fabric

Abstract

The utility model discloses a double-sided differential spunlace non-woven fabric which comprises a first spunlace composite non-woven fabric layer, a waterproof film and a second spunlace composite non-woven fabric layer which are compounded with one another, the first spunlace composite non-woven fabric layer comprises a coarse denier nylon 6 fiber layer and a wood pulp fiber layer which are compounded through spunlace; the second spunlace composite non-woven fabric layer comprises a spunlace composite coarse denier nylon 6 fiber layer, the fineness of fibers used in the spunlace composite coarse denier nylon 6 fiber layer is 2-3D, and the fineness of fibers used in the fine denier viscose fiber layer is 0.55-1.1 dtex; the wood pulp fiber layer and the first polyester fiber layer are close to the waterproof film. And the coarse denier nylon 6 fibers are used on the surface of one side, so that the wear-resistant floor drain has good wear resistance and a rough surface, and is suitable for wiping dirt. And the fine denier viscose used on the other side has a fine surface characteristic, and is suitable for being used in scenes such as precise instruments and the like.

Description

Technical Field

[0001] This utility model relates to a double-sided differential spunlace nonwoven fabric, belonging to the technical field of spunlace nonwoven fabrics. Background Technology

[0002] Nonwoven fabric is a type of non-woven material. It is made by directly forming a web from polymer chips, short fibers, or filaments through airflow or mechanical means, then reinforcing it through hydroentangling, needle punching, or thermal rolling, and finally finishing it to form a non-woven fabric. It is a new type of fiber product with softness, breathability, and a planar structure. Hydroentangled nonwoven fabric is made by reinforcing the fiber web with high-speed water flow, and has a soft hand feel, making it suitable for wiping materials. However, different wiping scenarios require nonwoven fabrics with different properties. For example, when wiping dirt, a rougher surface is needed; when wiping precision instruments, a smooth surface is required. How to prepare a hydroentangled nonwoven fabric with double-sided differences has become a problem to be solved. Utility Model Content

[0003] The purpose of this invention is to provide a double-sided differential spunlace nonwoven fabric with different properties on both sides, suitable for different wiping scenarios.

[0004] To solve the above-mentioned technical problems, the purpose of this utility model is achieved as follows:

[0005] The present invention relates to a double-sided differential spunlace nonwoven fabric, comprising a first spunlace composite nonwoven fabric layer, a waterproof membrane, and a second spunlace composite nonwoven fabric layer.

[0006] The first spunlace composite nonwoven fabric layer includes a coarse denier nylon 6 fiber layer and a wood pulp fiber layer that have been spunlace composited; the second spunlace composite nonwoven fabric layer includes a first polyester fiber layer and a fine denier viscose fiber layer that have been spunlace composited.

[0007] The coarse denier nylon 6 fiber layer uses fibers with a fineness of 2-3D, and the fine denier viscose fiber layer uses fibers with a fineness of 0.55-1.1dtex.

[0008] The wood pulp fiber layer and the first polyester fiber layer are close to the waterproof membrane.

[0009] Based on the above scheme and as a preferred embodiment of the above scheme: the cross-section of the fibers used in the coarse denier nylon 6 fiber layer 6 is triangular.

[0010] Based on the above scheme and as a preferred embodiment of the above scheme: the waterproof membrane is a high-density polyethylene waterproof membrane, a PTFE microporous membrane, or a polylactic acid waterproof membrane.

[0011] Based on the above scheme and as a preferred embodiment of the above scheme: the first polyester fiber layer is a parallel-laid polyester fiber web, and the fine denier viscose fiber layer is a cross-laid fine denier viscose fiber web.

[0012] Based on the above scheme and as a preferred embodiment of the above scheme: the wood pulp fiber layer is composited with a second polyester fiber layer away from the coarse denier nylon 6 fiber layer.

[0013] The beneficial effects of this utility model are as follows: The double-sided differential spunlace nonwoven fabric involved in this utility model uses coarse denier nylon 6 fibers on one side, which have good abrasion resistance and a rough surface, making it suitable for wiping dirt. The fine denier viscose fibers used on the other side have delicate surface characteristics, making it suitable for use in precision instruments and other similar applications. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of the double-sided differential spunlace nonwoven fabric involved in Example 1;

[0015] Figure 2 This is a schematic diagram of the structure of the double-sided differential spunlace nonwoven fabric involved in Example 2.

[0016] The markings in the diagram are explained as follows: 1-coarse denier nylon 6 fiber layer; 2-wood pulp fiber layer; 3-waterproof membrane; 4-first polyester fiber layer; 5-fine denier viscose fiber layer; 6-second polyester fiber layer. Detailed Implementation

[0017] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0018] Example 1

[0019] Combination Figure 1 This embodiment provides a detailed description. The double-sided differential spunlace nonwoven fabric involved in this embodiment includes a first spunlace composite nonwoven layer, a waterproof membrane 3, and a second spunlace composite nonwoven layer, all bonded together with a hot melt adhesive web. Specifically, the first and second spunlace composite nonwoven layers are first prepared, and then the first, waterproof membrane 3, and second spunlace composite nonwoven layers are bonded together in sequence. The first spunlace composite nonwoven layer includes a coarse denier nylon 6 fiber layer 1 and a wood pulp fiber layer 2, all bonded together via spunlace bonding. The second spunlace composite nonwoven layer includes a first polyester fiber layer 4 and a fine denier viscose fiber layer 5, all bonded together via spunlace bonding. The wood pulp fiber layer 2 and the first polyester fiber layer 4 are located close to the waterproof membrane 3.

[0020] The coarse denier nylon 6 fiber layer 1 uses fibers with a fineness of 2-3D, with 3D being the preferred fineness. This fineness of nylon 6 fibers results in a relatively rough surface, giving it excellent effectiveness in wiping away stubborn dirt. Furthermore, the wood pulp fiber layer 2 on its inner side has good moisture absorption properties.

[0021] The fineness of the fibers used in the fine denier viscose fiber layer 5 is 0.55-1.1 dtex, and in this embodiment, 0.9 dtex is selected. The fineness of the viscose fiber makes the side surface have a delicate effect, which can be applied to applications such as wiping precision instruments. In addition, the viscose fiber has good hygroscopicity and can absorb moisture from the surface.

[0022] Furthermore, the coarse denier nylon 6 fiber layer 6 uses fibers with a triangular cross-section. Nylon 6 fibers with this cross-section are easier to clean when wiping.

[0023] Furthermore, the waterproof membrane 3 is a high-density polyethylene waterproof membrane, a PTFE microporous membrane, or a polylactic acid waterproof membrane. In this embodiment, a PTFE microporous membrane is selected to prevent water penetration, thus ensuring that water does not seep from one side to the other during use.

[0024] Furthermore, the first polyester fiber layer 4 is a parallel-laid polyester fiber web, and the fine denier viscose fiber layer 5 is a cross-laid fine denier viscose fiber web. The parallel-laid method can increase the production speed of the fiber web.

[0025] Example 2

[0026] Combination Figure 2 This embodiment will be described in detail below. The difference between this embodiment and the first embodiment is that the wood pulp fiber layer 2 is composited with a second polyester fiber layer 6, located away from the coarse denier nylon 6 fiber layer 1. The second polyester fiber layer 6 uses antibacterial polyester, which can improve the antibacterial effect of the nonwoven fabric.

[0027] The preferred embodiments of this utility model have been described in detail above. It should be understood that those skilled in the art can make numerous modifications and variations based on the concept of this utility model without creative effort. Therefore, all technical solutions that can be obtained by those skilled in the art based on the concept of this utility model through logical analysis, reasoning, or limited experimentation on the basis of existing technology should be within the scope of protection defined by the claims.

Claims

1. A double-sided differential hydroentangled nonwoven fabric, characterized by, The first water-jet composite non-woven fabric layer, the waterproof film (3) and the second water-jet composite non-woven fabric layer are combined together. The first water-jet composite non-woven fabric layer comprises a coarse denier nylon 6 fiber layer (1) and a wood pulp fiber layer (2) which are combined by water jet; and the second water-jet composite non-woven fabric layer comprises a first polyester fiber layer (4) and a fine denier viscose fiber layer (5) which are combined by water jet. The fineness of the fiber used in the coarse denier nylon 6 fiber layer (1) is 2-3D, and the fineness of the fiber used in the fine denier viscose fiber layer (5) is 0.55-1.1 dtex. The wood pulp fiber layer (2) and the first polyester fiber layer (4) are close to the waterproof film (3).

2. The double-sided differential hydroentangled nonwoven fabric according to claim 1, characterized in that, The cross section of the fiber used in the coarse denier nylon 6 fiber layer (1) is triangular.

3. The double-sided differential hydroentangled nonwoven fabric according to claim 1, characterized in that, The waterproof film (3) is a high-density polyethylene waterproof film, a PTFE microporous film or a polylactic acid waterproof film.

4. The double-sided differential hydroentangled nonwoven fabric according to claim 1, characterized in that, The first polyester fiber layer (4) is a parallel-laid polyester fiber web, and the fine denier viscose fiber layer (5) is a cross-laid fine denier viscose fiber web.

5. The double-sided differential hydroentangled nonwoven fabric according to claim 1, characterized in that, The wood pulp fiber layer (2) is combined with a second polyester fiber layer (6) away from the coarse denier nylon 6 fiber layer (1).

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