High-elasticity composite textile fabric and production process thereof

Abstract

The invention provides a high-elasticity composite textile fabric and a production process thereof, and relates to the technical field of clothing fabrics. According to the high-elasticity composite textile fabric and the production process thereof, the high-elasticity composite textile fabric comprises two layers of surface fabric, an elastic layer is arranged between the two layers of surface fabric, the elastic layer and the surface fabric are connected through an adhesive, and the surface fabric comprises first yarn and second yarn. The first yarns comprise the following raw materials in percentage by weight: 40-70% of polyurethane fibers and 30-60% of polyether ester elastic fibers, and the second yarns comprise the following raw materials in percentage by weight: 45-80% of a polyolefin elastic fabric and 20-55% of a hard elastic fabric. The elastic layer is prepared from the following raw materials: polyacrylonitrile fibers, polypropylene fibers, strong fibers, real silk fibers and flax. The elastic layer is additionally arranged, so that clothes made of the composite textile fabric are comfortable in body feeling and easy to wear, have stable resilience and instant elastic restoring force and can play a role in local tightening, supporting and protecting.

Description

Technical Field

[0001] The invention relates to the technical field of clothing fabrics, in particular to a high-elasticity composite textile fabric and a production process thereof. Background Art

[0002] Clothing is a general term for items that decorate the human body, including clothing, shoes, hats, socks, gloves, scarves, ties, handbags, parasols, hair accessories, etc. In ancient times, clothing was used to cover up shame, but nowadays, people's understanding of new things is constantly improving, and the materials and styles of clothing are also diverse.

[0003] As people's living standards improve, they have higher and higher requirements for the comfort of clothing, especially for clothing that fits the skin, such as underwear, panties, sports tights, belly bands, myoelectric clothing, etc. General clothing has various universal models, and general needs can be met by choosing the appropriate model. However, one-size-fits-all clothing made of traditional fabrics is difficult to adapt to individual differences, resulting in poor comfort.

[0004] At present, in order to improve the applicability of one-size-fits-all clothing, elastic ribs are generally used to tighten the edges of clothing. Elastic ribs have many disadvantages. They can cause curling of the fabric in the tightened part, affecting the natural aesthetics of the clothing. The elastic ribs can squeeze the skin and easily cause marks. They are prone to aging and breakage. They cannot be applied to some local parts. Summary of the invention

[0005] In view of the deficiencies in the prior art, the present invention provides a high-elastic composite textile fabric and a production process thereof, which solves the problem that clothing made of traditional fabrics has low applicability and poor comfort.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: a high-elastic composite textile fabric, comprising two layers of surface fabrics, an elastic layer is arranged between the two layers of the surface fabrics, and the elastic layer and the surface fabrics are connected by an adhesive;

[0007] The surface fabric comprises a first yarn and a second yarn, wherein the first yarn comprises the following raw material compositions: 40-70% polyurethane fiber and 30-60% polyether ester elastic fiber, and the second yarn comprises the following raw material compositions: 45-80% polyolefin elastic fabric and 20-55% hard elastic fabric;

[0008] The elastic layer comprises the following raw materials in percentage: 20% polyacrylonitrile fiber, 20% polypropylene fiber, 20% strong fiber, 20% silk fiber and 20% flax.

[0009] Preferably, the method for preparing the surface fabric comprises the following steps:

[0010] S1, weighing a specified amount of polyurethane fiber and polyether ester elastic fiber, mixing them, and preparing a first yarn by five processes of carding, drawing, roving, spinning and twisting;

[0011] S2, weighing a specified amount of polyolefin elastic fabric and hard elastic fabric, mixing them, and preparing a second yarn by five processes of carding, drawing, roving, spinning and twisting;

[0012] S3, weaving the first yarn and the second yarn prepared in S1 and S2, with the first yarn being used as a warp and the second yarn being used as a weft, to obtain a basic fabric;

[0013] S4, washing the base fabric in S3 in water with a detergent at a temperature of 85° C. for 8-10 times, then washing it in water at 50° C. for 2-3 times, and finally drying, stretching and shaping to obtain the surface fabric.

[0014] Preferably, the method for preparing the elastic layer comprises the following steps:

[0015] 1) Weigh a specified amount of polyacrylonitrile fiber, polypropylene fiber, strong fiber, silk fiber and flax, mix them, and heat them into a molten state to obtain raw material A;

[0016] 2) Add coupling agent to raw material A, mix well, and extrude from spinneret to form fiber B;

[0017] 3) Weaving the fiber B into a fabric to obtain the elastic layer.

[0018] Preferably, the diameter of the spinneret hole of the spinneret is 0.01-0.13 mm.

[0019] Another object of the present invention is to provide a production process of the composite textile fabric, comprising the following steps:

[0020] a) preparing an adhesive and injecting the adhesive into a gluing device;

[0021] b) laying a layer of surface fabric, and applying the adhesive on the upper surface of the surface fabric by the gluing device;

[0022] c) sealing the elastic layer on the surface of the surface fabric coated with the adhesive, and performing extrusion lamination, and then coating the adhesive on the upper surface of the elastic layer by the gluing device;

[0023] d) covering the oil-coated adhesive surface of the elastic layer with another layer of surface fabric, and performing extrusion lamination to form a preliminary composite fabric;

[0024] e) drying the preliminary composite fabric to solidify the adhesive, and trimming the dried preliminary composite fabric to obtain a composite textile fabric

[0025] Preferably, the adhesive in a) is glue.

[0026] Preferably, the trimming in e) is to trim and remove burrs of the preliminary composite fabric after drying to form a composite textile fabric of a desired shape.

[0027] The present invention provides a high-elastic composite textile fabric and a production process thereof, which has the following beneficial effects:

[0028] The invention adds an elastic layer so that the clothing made of the composite textile fabric feels comfortable, is easy to wear, has relatively stable recovery and instant elastic recovery force, and can play the role of local tightening and supporting protection. DETAILED DESCRIPTION

[0029] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0030] The present invention provides a high-elastic composite textile fabric. The technical solution of the present invention is described in detail below to make it easier to understand and grasp.

[0031] A high-elastic composite textile fabric comprises two layers of surface fabrics, an elastic layer is arranged between the two layers of surface fabrics, and the elastic layer and the surface fabrics are connected by an adhesive;

[0032] Among them, this high-elastic composite textile fabric is used in parts such as the belt, cuffs, buttocks, chest periphery, and knee joint bend. The elastic layer arranged inside it enables it to have a higher instantaneous elastic recovery force to meet the different body differences of people with the same model.

[0033] The surface fabric comprises a first yarn and a second yarn, wherein the first yarn comprises the following raw material compositions: 40-70% polyurethane fiber and 30-60% polyether ester elastic fiber, and the second yarn comprises the following raw material compositions: 45-80% polyolefin elastic fabric and 20-55% hard elastic fabric;

[0034] Among them, the surface fabric is made of a variety of high-elastic fibers, making it highly elastic to meet usage requirements.

[0035] The elastic layer includes the following percentages of raw materials: 20% polyacrylonitrile fiber, 20% polypropylene fiber, 20% strong fiber, 20% silk fiber and 20% linen;

[0036] Among them, the elastic layer is composed of the above-mentioned concentrated fibers, which has a simple formula and can meet people's needs.

[0037] The preparation method of the surface fabric comprises the following steps:

[0038] S1, weighing a specified amount of polyurethane fiber and polyether ester elastic fiber, mixing them, and preparing a first yarn by five processes of carding, drawing, roving, spinning and twisting;

[0039] S2, weighing a specified amount of polyolefin elastic fabric and hard elastic fabric, mixing them, and preparing a second yarn by five processes of carding, drawing, roving, spinning and twisting;

[0040] S3, weaving the first yarn and the second yarn prepared in S1 and S2, with the first yarn being used as a warp and the second yarn being used as a weft, to obtain a basic fabric;

[0041] S4, washing the base fabric in S3 in water with a detergent at a temperature of 85°C for 8-10 times, then washing it in water at 50°C for 2-3 times, and finally drying, stretching and shaping to obtain the surface fabric.

[0042] Among them, the base fabric is washed 8-10 times in water with detergent at a temperature of 85°C to remove various chemical additives added in the spinning process, and then washed 2-3 times in water at 50°C to wash away the detergent residue on the surface of the fabric, further improving the touch of the fabric and enhancing the appearance of the fabric.

[0043] The method for preparing the elastic layer comprises the following steps:

[0044] 1) Weigh a specified amount of polyacrylonitrile fiber, polypropylene fiber, strong fiber, silk fiber and flax, mix them, and heat them into a molten state to obtain raw material A;

[0045] 2) Add coupling agent to raw material A, mix well, and extrude from a spinneret, the spinneret hole diameter of the spinneret is 0.01-0.13 mm, to form fiber B;

[0046] 3) Weaving the fiber B into a fabric to obtain an elastic layer.

[0047] Embodiment 1:

[0048] The first yarn is composed of the following percentages of raw materials: 40% polyurethane fiber and 60% polyether ester elastic fiber;

[0049] The second yarn comprises the following percentages of raw material composition: 45% polyolefin elastic fabric and 55% hard elastic fabric.

[0050] The elastic layer comprises the following raw material compositions in percentage: 20% polyacrylonitrile fiber, 20% polypropylene fiber, 20% strong fiber, 20% silk fiber and 20% linen.

[0051] Embodiment 2:

[0052] The first yarn is composed of the following percentages of raw materials: 50% polyurethane fiber and 50% polyether ester elastic fiber;

[0053] The second yarn comprises the following percentages of raw material composition: 55% polyolefin elastic fabric and 45% hard elastic fabric.

[0054] The elastic layer comprises the following raw material compositions in percentage: 20% polyacrylonitrile fiber, 20% polypropylene fiber, 20% strong fiber, 20% silk fiber and 20% linen.

[0055] Embodiment three:

[0056] The first yarn is composed of the following raw materials in percentage: 60% polyurethane fiber and 40% polyether ester elastic fiber;

[0057] The second yarn comprises the following percentages of raw material composition: 65% polyolefin elastic fabric and 35% hard elastic fabric.

[0058] The elastic layer comprises the following raw material compositions in percentage: 20% polyacrylonitrile fiber, 20% polypropylene fiber, 20% strong fiber, 20% silk fiber and 20% linen.

[0059] Comparative Example:

[0060] The first yarn is composed of the following raw materials in percentage: 60% polyurethane fiber and 40% polyether ester elastic fiber;

[0061] The second yarn comprises the following percentages of raw material composition: 65% polyolefin elastic fabric and 35% hard elastic fabric.

[0062] No intermediate elastic layer.

[0063] Effect example:

[0064] Fabric tensile elasticity test.

[0065] According to the test method for tensile elastic recovery rate of knitted fabrics FZ / T700062004, the warmth retention and tensile elasticity of Examples 1-3 and the comparative samples were tested using Nantong Hongda HD026N electronic fabric strength tester. The test results are shown in Table 1.

[0066] Table 1 Fabric tensile elasticity test results

[0067]

[0068] From the results in Table 1, it can be seen that the high elastic composite fabric prepared in the embodiment of the present invention has a longitudinal recovery rate of more than 200% and a transverse recovery rate of more than 180%. The fabric of the comparative example has no intermediate elastic layer during the preparation process, lacks sufficient elastic support, and has a low elastic recovery rate. The high elastic composite fabric prepared in the present invention has an outstanding effect in terms of high elasticity.

[0069] Embodiment 4:

[0070] The embodiment of the present invention provides a production process of a high-elastic composite textile fabric, comprising the following steps:

[0071] a) preparing adhesive and injecting the adhesive into the gluing device;

[0072] b) laying a layer of surface fabric flat, and applying adhesive on the upper surface of the surface fabric through a gluing device;

[0073] c) sealing the elastic layer on the adhesive-coated surface of the surface fabric and performing extrusion lamination, and then coating the upper surface of the elastic layer with adhesive by a gluing device;

[0074] d) sealing another layer of surface fabric on the oil-coated adhesive surface of the elastic layer and performing extrusion lamination to form a preliminary composite fabric;

[0075] e) drying the preliminary composite fabric to solidify the adhesive, and trimming the dried preliminary composite fabric to obtain a composite textile fabric.

[0076] a) The adhesive is glue.

[0077] The finishing in e) is to trim and remove burrs of the preliminary composite fabric after drying to form a composite textile fabric of a required shape.

[0078] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high elastic composite textile fabric, characterized in that: It comprises two layers of surface fabrics, an elastic layer is arranged between the two layers of surface fabrics, and the elastic layer and the surface fabrics are connected by an adhesive; The surface fabric comprises a first yarn and a second yarn, wherein the first yarn comprises the following raw material compositions: 40-70% polyurethane fiber and 30-60% polyether ester elastic fiber, and the second yarn comprises the following raw material compositions: 45-80% polyolefin elastic fabric and 20-55% hard elastic fabric; The elastic layer comprises the following raw materials in percentage: 20% polyacrylonitrile fiber, 20% polypropylene fiber, 20% strong fiber, 20% silk fiber and 20% flax.

2. The high elastic composite textile fabric according to claim 1, characterized in that: The preparation method of the surface fabric comprises the following steps: S1, weighing a specified amount of polyurethane fiber and polyether ester elastic fiber, mixing them, and preparing a first yarn by five processes of carding, drawing, roving, spinning and twisting; S2, weighing a specified amount of polyolefin elastic fabric and hard elastic fabric, mixing them, and preparing a second yarn by five processes of carding, drawing, roving, spinning and twisting; S3, weaving the first yarn and the second yarn prepared in S1 and S2, with the first yarn being used as a warp and the second yarn being used as a weft, to obtain a basic fabric; S4, washing the base fabric in S3 in water with a detergent at a temperature of 85° C. for 8-10 times, then washing it in water at 50° C. for 2-3 times, and finally drying, stretching and shaping to obtain the surface fabric.

3. The high elastic composite textile fabric according to claim 1, characterized in that: The preparation method of the elastic layer comprises the following steps: 1) Weigh a specified amount of polyacrylonitrile fiber, polypropylene fiber, strong fiber, silk fiber and flax, mix them, and heat them into a molten state to obtain raw material A; 2) Add coupling agent to raw material A, mix well, and extrude from spinneret to form fiber B; 3) Weaving the fiber B into a fabric to obtain the elastic layer.

4. The high elastic composite textile fabric according to claim 3, characterized in that: The diameter of the spinneret hole of the spinneret is 0.01-0.13 mm.

5. A high elastic composite textile fabric according to any one of claims 1 to 4, characterized in that: The production process of the composite textile fabric comprises the following steps: a) preparing an adhesive and injecting the adhesive into a gluing device; b) laying a layer of surface fabric, and applying the adhesive on the upper surface of the surface fabric by the gluing device; c) sealing the elastic layer on the surface of the surface fabric coated with the adhesive, and performing extrusion lamination, and then coating the adhesive on the upper surface of the elastic layer by the gluing device; d) covering the oil-coated adhesive surface of the elastic layer with another layer of surface fabric, and performing extrusion lamination to form a preliminary composite fabric; e) drying the preliminary composite fabric to solidify the adhesive, and trimming the dried preliminary composite fabric to obtain a composite textile fabric.

6. The high-elastic composite textile fabric according to claim 5, characterized in that: The adhesive in a) is glue.

7. The high-elastic composite textile fabric according to claim 5, characterized in that: The trimming in e) is to trim and remove burrs of the preliminary composite fabric after drying to form a composite textile fabric of a required shape.

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