A polyester double-sided twill fabric

Abstract

This utility model discloses a polyester double-sided twill fabric, which is woven with a three-layer bonded structure, including a fabric surface layer, a fabric middle layer, and a fabric inner layer. The fabric surface layer and the fabric inner layer have different colors. The fabric surface layer and the fabric inner layer are woven with a twill structure. The warp and weft yarns of the surface layer, the warp and weft yarns of the inner layer, and the weft yarns of the inner layer all include alternating bright triangular polyester profiled yarns and a first elastic core-spun yarn. The warp and weft yarns of the middle layer all include alternating antibacterial cotton yarns and a second elastic core-spun yarn, the second elastic core-spun yarn including elastic filaments and antibacterial fibers covering the outside of the elastic filaments. The three-layer bonded structure connects the fabric surface layer, the fabric middle layer, and the fabric inner layer through yarn bonding, replacing adhesives and preventing the fabric from splitting. Furthermore, the use of antibacterial cotton yarn and antibacterial fibers in the middle layer gives it an antibacterial effect.

Description

Technical Field

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

[0002] Polyester, as the most widely used synthetic fiber, is also widely used in woven fabrics. Woven fabrics, typically used as clothing raw materials, need to be combined with linings, meaning conventional fabrics can only be used on one side. Double-sided fabrics usually consist of two layers of fabric laminated together, and these double-layered fabrics are often used in environments requiring warmth, thus necessitating a triple-layered fabric. However, laminated fabrics are prone to cracking during use; furthermore, the warm environment of thicker fabrics makes them more susceptible to bacterial growth. Therefore, the question of how to produce a polyester double-sided twill fabric with good warmth retention and antibacterial properties has become a problem to be solved. Utility Model Content

[0003] The purpose of this invention is to provide a polyester double-sided twill fabric, which employs a three-layer bonded structure where the three layers are joined together by yarns, making it less prone to cracking. Furthermore, the antibacterial fiber used in the middle layer provides the fabric with antibacterial properties.

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

[0005] This utility model relates to a polyester double-sided twill fabric, which is made of a three-layer interwoven structure, including a fabric surface layer, a fabric middle layer and a fabric inner layer; the fabric surface layer and the fabric inner layer have different colors.

[0006] The outer layer of the fabric is made of twill weave of outer layer warp yarns and outer layer weft yarns; the middle layer of the fabric is made of twill weave of middle layer warp yarns and middle layer weft yarns; and the inner layer of the fabric is made of twill weave of inner layer warp yarns and inner layer weft yarns.

[0007] The outer warp yarn, outer weft yarn, inner warp yarn, and inner weft yarn all include alternating bright triangular polyester profiled yarns and a first elastic core-spun yarn; the first elastic core-spun yarn includes elastic filaments and nylon-polyester blended yarns covering the outer side of the elastic filaments.

[0008] Both the intermediate warp and intermediate weft yarns include alternating antibacterial cotton yarns and a second elastic core-spun yarn. The second elastic core-spun yarn includes elastic filaments and antibacterial fibers covering the outside of the elastic filaments.

[0009] Based on the above scheme and as a preferred embodiment of the above scheme: the twill weave is a three-up-one-down twill or a two-up-two-down twill.

[0010] Based on the above scheme and as a preferred embodiment of the above scheme: the elastic filament is T400 filament or spandex filament.

[0011] Based on the above scheme and as a preferred embodiment of the above scheme: the nylon-polyester blended yarn includes parallel nylon 6POY filaments and polyester DTY filaments, and network dots are arranged along the length direction.

[0012] Based on the above scheme and as a preferred embodiment of the above scheme: the antibacterial fiber is copper-modified polyester fiber or graphene-modified polyester fiber.

[0013] Based on the above scheme and as a preferred embodiment of the above scheme: a nano-antibacterial film is provided on the surface of the fabric outer layer away from the middle layer of the fabric; the nano-antibacterial film is sputtered on the surface of the fabric outer layer by vacuum deposition technology, and the nano-antibacterial film is nano-silver or nano-zinc oxide.

[0014] Based on the above scheme and as a preferred embodiment of the above scheme: the surface of the nano antibacterial membrane has a nano protective film formed by vacuum deposition technology; the nano protective film is titanium dioxide.

[0015] The beneficial effects of this utility model are as follows: The polyester double-sided twill fabric involved in this utility model adopts a three-layer bonding structure, in which the outer layer, middle layer, and inner layer of the fabric are connected by bonding yarns, replacing adhesives and avoiding the occurrence of tearing between the fabric layers. Furthermore, the middle layer of the fabric uses antibacterial cotton yarn and antibacterial fibers, giving the middle layer an antibacterial effect. Attached Figure Description

[0016] Figure 1 This is a structural schematic diagram of the polyester double-sided twill fabric involved in Example 1;

[0017] Figure 2 This is a weave diagram of the polyester double-sided twill fabric involved in Example 1;

[0018] Figure 3 This is a schematic diagram of the structure of the polyester double-sided twill fabric involved in Example 2. Detailed Implementation

[0019] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0020] Example 1

[0021] Combination Figure 1 and Figure 2This embodiment will be described in detail below. The polyester double-sided twill fabric involved in this embodiment is made of a three-layer interwoven structure, including a fabric outer layer 1, a fabric middle layer 2, and a fabric inner layer 3; the layers of fabric in the three-layer interwoven structure are connected by yarns. The fabric outer layer 1 and the fabric inner layer 3 have different colors, that is, they are interwoven with yarns of different colors. For example, in this embodiment, the fabric outer layer 1 is interwoven with off-white yarns, while the fabric inner layer 3 is interwoven with black yarns, giving the polyester double-sided twill fabric different colored surfaces, making it suitable as a raw material for double-sided garments.

[0022] The outer layer 1 of the fabric is woven from surface warp and weft yarns in a twill weave; the middle layer 2 of the fabric is woven from middle warp and weft yarns in a plain weave; and the inner layer 3 of the fabric is woven from inner warp and weft yarns in a twill weave. The surface warp, surface weft, inner warp, and inner weft yarns all include alternating bright triangular polyester profiled yarns and a first elastic core-spun yarn; the first elastic core-spun yarn includes elastic filaments and nylon-polyester blended yarns covering the outer side of the elastic filaments; the middle warp and middle weft yarns both include alternating antibacterial cotton yarns and a second elastic core-spun yarn, the second elastic core-spun yarn including elastic filaments and antibacterial fibers covering the outer side of the elastic filaments.

[0023] Furthermore, the twill weave is either a 3-up-1-down twill or a 2-up-2-down twill. In this embodiment, a 3-up-1-down twill weave is selected. See the specific weave diagram. Figure 2 The middle layer of the fabric uses a plain weave. The warp yarns of the outer layer, middle layer, and inner layer are arranged in a 1:1:1 ratio, and the weft yarns of the outer layer, middle layer, and inner layer are also arranged in a 1:1:1 ratio. The center-joining outer layer weave used when joining fabric outer layer 1 and fabric middle layer 2, and the inner-joining center layer weave used when joining fabric middle layer 2 and fabric inner layer 3, are both eight-end satin weaves. In one cycle of the weave diagram, the total number of warp yarns is the least common multiple of the outer layer weave, middle layer weave, and joining weave, multiplied by the sum of the arrangement ratios, which is 24. Figure 2 In the diagram, fill in the squares where the surface warp and weft yarns intersect with a ■ to indicate the warp weave point in the surface layer of the fabric; fill in the squares where the middle layer warp and weft yarns intersect with a ╳ to indicate the warp weave point in the middle layer of the fabric; fill in the squares where the inner layer warp and weft yarns intersect with a □ to indicate the warp weave point in the inner layer of the fabric. Fill in the squares where the middle layer warp and surface weft yarns intersect with a △ to indicate the junction point; fill in the squares where the inner layer warp and middle layer weft yarns intersect with a ● to indicate the junction point. Fill in the squares where the surface warp and middle layer weft yarns are exchanged, and the squares where the middle layer warp and inner layer weft yarns intersect with each other with a ○, indicating that the surface warp and / or middle layer warp yarns are lifted during weaving.

[0024] The outer layer warp yarns include outer layer first warp yarn 101, outer layer second warp yarn 102, outer layer third warp yarn 103, outer layer fourth warp yarn 104, outer layer fifth warp yarn 105, outer layer sixth warp yarn 106, outer layer seventh warp yarn 107, and outer layer eighth warp yarn 108; the middle layer warp yarns include middle layer first warp yarn 111, middle layer second warp yarn 112, middle layer third warp yarn 113, middle layer fourth warp yarn 114, middle layer fifth warp yarn 115, middle layer sixth warp yarn 116, middle layer seventh warp yarn 117, and middle layer eighth warp yarn 118; the inner layer warp yarns include inner layer first warp yarn 121, inner layer second warp yarn 122, inner layer third warp yarn 123, inner layer fourth warp yarn 124, inner layer fifth warp yarn 125, inner layer sixth warp yarn 126, inner layer seventh warp yarn 127, and inner layer eighth warp yarn 128. The outer layer weft yarns include outer layer first weft yarn 201, outer layer second weft yarn 202, outer layer third weft yarn 203, outer layer fourth weft yarn 204, outer layer fifth weft yarn 205, outer layer sixth weft yarn 206, outer layer seventh weft yarn 207, and outer layer eighth weft yarn 208; the middle layer weft yarns include middle layer first weft yarn 211, middle layer second weft yarn 212, middle layer third weft yarn 213, middle layer fourth weft yarn 214, middle layer fifth weft yarn 215, middle layer sixth weft yarn 216, middle layer seventh weft yarn 217, and middle layer eighth weft yarn 218; the inner layer weft yarns include inner layer first weft yarn 221, inner layer second weft yarn 222, inner layer third weft yarn 223, inner layer fourth weft yarn 224, inner layer fifth weft yarn 225, inner layer sixth weft yarn 226, inner layer seventh weft yarn 227, and inner layer eighth weft yarn 228.

[0025] Taking the weaving of the first weft yarn 201 of the outer layer, the first weft yarn 211 of the middle layer, and the first weft yarn 221 of the inner layer as an example: When weaving in the first weft yarn 201 of the outer layer, the first warp yarn 101, the third warp yarn 103, the fourth warp yarn 104, the fifth warp yarn 105, the fifth warp yarn 115 of the middle layer, the seventh warp yarn 107, and the eighth warp yarn 108 of the outer layer are located above the weft end, while the remaining warp yarns are located below the weft end. The fifth warp yarn 115 of the middle layer interweaves with the first weft yarn of the outer layer to connect the outer layer 1 and the middle layer 2 of the fabric.

[0026] When the first weft yarn 211 of the intermediate layer is woven in, the outer layer warp yarn, the first warp yarn 111 of the intermediate layer, the first warp yarn 121 of the inner layer, the third warp yarn 213 of the intermediate layer, the fifth warp yarn 215 of the intermediate layer, and the seventh warp yarn 217 of the intermediate layer are located below the weft end, while the remaining warp yarns are located below the weft end. The first warp yarn 121 of the inner layer interweaves with the first weft yarn 211 of the intermediate layer, thus connecting the intermediate layer 2 of the fabric with the inner layer of the fabric.

[0027] When the first weft yarn 221 of the inner layer is woven in, the second warp yarn 122 and the sixth warp yarn 126 of the inner layer are located below the weft opening, while the rest are located above the weft opening.

[0028] That is, in Figure 2 In this process, when each weft yarn is introduced, all warp yarns corresponding to the pattern are located above the weft opening, while the warp yarns corresponding to the blank positions are located below the weft opening.

[0029] Furthermore, the elastic filament is either T400 filament or spandex filament. In this embodiment, T400 filament is selected, which is spun from PET and PTT polyester fibers in parallel.

[0030] Furthermore, the nylon-polyester blended yarn comprises parallel nylon 6POY filaments and polyester DTY filaments, and has network dots arranged along its length. The 6POY filaments have a fineness of 45D / 36F, and the polyester DTY filaments have a fineness of 50D / 36F.

[0031] Furthermore, the antibacterial fiber is either copper-modified polyester fiber or graphene-modified polyester fiber. In this embodiment, graphene-modified polyester fiber is selected. Specifically, it is biomass graphene-modified recycled polyester fiber. Biomass graphene-modified recycled polyester fiber is prepared using a polymer melt blending spinning method. When the amount of graphene added is 0.5% or 1%, the fiber achieves an antibacterial rate of 99% against Staphylococcus aureus, Escherichia coli, and Candida albicans, far exceeding the national standard requirements, and exhibits excellent antibacterial effect.

[0032] Example 2

[0033] Combination Figure 3 This embodiment will be described in detail below. The polyester double-sided twill fabric involved in this embodiment differs from that in Embodiment 1 in that: a nano-antibacterial film 4 is provided on the surface of the fabric surface layer 1 away from the middle layer 2; the nano-antibacterial film 4 is sputtered onto the surface of the fabric surface layer 1 using vacuum deposition technology; the nano-antibacterial film 4 is nano-silver or nano-zinc oxide, and zinc oxide is selected in this embodiment. The surface of the nano-antibacterial film 4 has a nano-protective film 5 formed by vacuum deposition technology; the nano-protective film 5 is titanium dioxide. The fabric with the nano-antibacterial film 4 and the nano-protective film 5 achieves a surface waterproof performance of level 4-5, exhibiting excellent anti-stickiness properties. Both the nano-antibacterial film 4 and the nano-protective film 5 are composed of nano-sized particles, providing a waterproof effect, with a mechanism similar to the structure of a lotus leaf. Furthermore, gaps exist between the nano-sized particles, allowing gaseous water molecules to pass through smoothly. The antibacterial effect test of the prepared linen-like polyester fabric showed an inhibition rate of greater than 99% against Escherichia coli and Staphylococcus aureus.

[0034] 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 polyester double twill fabric, characterized by, It is made of three interwoven layers, including a fabric outer layer (1), a fabric middle layer (2) and a fabric inner layer (3); the fabric outer layer (1) and the fabric inner layer (3) have different colors; The outer layer (1) of the fabric is made of the outer layer warp yarns and the outer layer weft yarns interwoven in a twill weave; the middle layer (2) of the fabric is made of the middle layer warp yarns and the middle layer weft yarns interwoven; and the inner layer (3) of the fabric is made of the inner layer warp yarns and the inner layer weft yarns interwoven in a twill weave. The outer warp yarn, outer weft yarn, inner warp yarn, and inner weft yarn all include alternating bright triangular polyester profiled yarns and a first elastic core-spun yarn; the first elastic core-spun yarn includes elastic filaments and nylon-polyester blended yarns covering the outer side of the elastic filaments. Both the intermediate warp and intermediate weft yarns include alternating antibacterial cotton yarns and a second elastic core-spun yarn. The second elastic core-spun yarn includes elastic filaments and antibacterial fibers covering the outside of the elastic filaments.

2. The polyester double-sided twill fabric according to claim 1, characterized in that, The twill weave is either a three-up-one-down twill or a two-up-two-down twill.

3. The polyester double-sided twill fabric according to claim 1, characterized in that, The elastic filament is either T400 filament or spandex filament.

4. The polyester double-sided twill fabric according to claim 1, characterized in that, The nylon-polyester blended yarn includes parallel nylon 6POY filaments and polyester DTY filaments, and network dots are arranged along the length direction.

5. The polyester double-sided twill fabric according to claim 1, wherein, The antibacterial fiber is copper-modified polyester fiber or graphene-modified polyester fiber.

6. The polyester double-sided twill fabric according to claim 1, wherein, A nano antibacterial film (4) is provided on the side of the fabric surface layer (1) away from the fabric middle layer (2); the nano antibacterial film (4) is sputtered on the surface of the fabric surface layer (1) by vacuum deposition technology, and the nano antibacterial film (4) is nano silver or nano zinc oxide.

7. The polyester double-sided twill fabric according to claim 6, characterized in that, The surface of the nano antibacterial membrane (4) has a nano protective membrane (5) formed by vacuum deposition technology; the nano protective membrane (5) is titanium dioxide.

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