Method for manufacturing electronic fabric and 7628 electronic fabric

Abstract

This application discloses a method for manufacturing an electronic cloth and a 7628 electronic cloth, which includes the steps of sequentially performing yarn arrangement, sizing, winding, warp alignment, and winding operations on a highly spread electronic yarn having a linear density in the range of 72 to 95 tex to obtain a weaving shaft, weaving the weaving shaft in a plain weave structure using a loom to obtain an intermediate fabric, and sequentially performing desizing pretreatment, desizing heat treatment, surface chemical treatment, and fiber-opening treatment on the intermediate fabric to obtain a 7628 electronic cloth having a warp density in the range of 30.5 to 43.0 ends / inch and a weft density in the range of 25.4 to 31.0 ends / inch.

Description

Cross-reference of related applications

[0001] This application claims priority to the Chinese patent application "202311221477.8" with application number "202311221477.8" and application title "Method for Manufacturing Electronic Cloth and 7628 Electronic Cloth," filed with the China National Intellectual Property Administration on September 20, 2023, the entirety of which is incorporated into this application by reference. [Technical Field]

[0002] This application relates to the textile field, and more specifically to a method for manufacturing electronic fabric and to 7628 electronic fabric. [Background technology]

[0003] Conventional 7628 electronic fabrics are generally woven using G75 electronic yarn or G37 electronic yarn. However, 7628 electronic fabrics woven with G75 electronic yarn have high production costs and low weaving efficiency. 7628 electronic fabrics woven with G37 electronic yarn have too low warp and weft density, resulting in a fabric that is easily deformed and has poor dimensional stability. Furthermore, 7628 electronic fabrics woven with G37 electronic yarn have too sparse yarn arrangement in the warp and weft directions, and the gaps between adjacent yarns are large, causing problems such as the air permeability of the electronic fabric exceeding the required standards.

[0004] Currently, no effective solutions have been proposed to address the above-mentioned problems. [Overview of the project]

[0005] This application provides a method for manufacturing electronic fabric and 7628 electronic fabric in order to at least solve the technical problem in the prior art of low weaving efficiency of 7628 electronic fabric and low performance of the produced 7628 electronic fabric, which is due to the inability to reduce production costs when ensuring that the quality of 7628 electronic fabric meets the requirements.

[0006] According to one aspect of the present invention, a method for manufacturing electronic fabric, comprising the steps of obtaining a woven shaft by sequentially performing yarn arrangement, sizing, winding, warp alignment, and winding operations on a highly open electronic yarn, wherein the linear density range of the highly open electronic yarn is 72 to 95 tex; weaving the woven shaft in a plain weave structure using a loom to obtain an intermediate fabric; and sequentially performing desizing pretreatment, desizing heat treatment, surface chemical treatment, and fiber opening treatment on the intermediate fabric to obtain 7628 electronic fabric, wherein the warp density range of the 7628 electronic fabric is 30.5 to 43.0 ends / inch, the weft density range of the 7628 electronic fabric is 25.4 to 31.0 ends / inch, and the basis weight range of the electronic fabric is 207 to 213 g / m² 2 A method for manufacturing electronic cloth is provided, which includes the step of being

[0007] The method for manufacturing electronic fabric, before the step of sequentially performing yarn arrangement, sizing, winding, warp alignment and winding operations on a highly open electronic yarn to obtain a weaving axis, further includes the step of twisting a highly open electronic yarn to obtain a highly open electronic yarn, wherein the twist value range of the highly open electronic yarn obtained after the twisting treatment is 15 to 30 twists, and the linear density range of the yarn of the highly open electronic yarn is 72 to 95 tex.

[0008] The step of selectively performing a twisting treatment on a highly open-fiber electronic yarn to obtain a highly open-fiber electronic yarn includes the step of performing a twisting treatment on a highly open-fiber electronic yarn in a first predetermined temperature range and a predetermined humidity range, wherein the first predetermined temperature range is 25 to 35°C and the predetermined humidity range is 40 to 50%.

[0009] Selectively, after the step of performing a sizing operation on the high-opening electronic yarn, the winding tension range of the high-opening electronic yarn is 850 to 950 N, and after performing a warp alignment operation on the high-opening electronic yarn, the winding tension range of the high-opening electronic yarn is 4000 to 5000 N.

[0010] The step of selectively performing a desizing pretreatment on an intermediate dough is to complete the desizing pretreatment on the intermediate dough by passing the intermediate dough through a first high-temperature furnace region and a second high-temperature furnace region at a predetermined linear velocity, wherein the predetermined linear velocity range is 95 to 105 m / min, the temperature range of the first high-temperature furnace region is 420 to 440°C, and the temperature range of the second high-temperature furnace region is 440 to 460°C.

[0011] The step of selectively performing a desizing heat treatment on an intermediate dough includes: a step of performing a first heat treatment on an intermediate dough that has undergone a desizing pretreatment in a first heat retention temperature range, wherein the range of values ​​for the first heat retention temperature range is 150 to 200°C and the range of values ​​for the heat retention time of the first heat treatment is 2 to 3 hours; a step of performing a second heat treatment on an intermediate dough that has undergone the first heat retention treatment in a second heat retention temperature range, wherein the range of values ​​for the second heat retention temperature range is 220 to 260°C and the range of values ​​for the heat retention time of the second heat treatment is 5 to 6 hours; and a step of performing a third heat treatment on an intermediate dough that has undergone the second heat retention treatment in a third heat retention temperature range, wherein the range of values ​​for the third heat retention temperature range is 390 to 410°C and the range of values ​​for the heat retention time of the third heat treatment is 50 to 53 hours.

[0012] The step of performing a surface chemical treatment on an intermediate dough as selectable includes completing the surface chemical treatment on the intermediate dough by immersing the intermediate dough, which has undergone desizing heat treatment, in a pre-prepared silane coupling agent, wherein the solid content range of the pre-prepared silane coupling agent is 0.10% to 0.45%, and the pH range of the pre-prepared silane coupling agent in the process of performing a surface chemical treatment on the intermediate dough is 2.0 to 5.0.

[0013] The step of selectively performing a fiber-opening treatment on an intermediate fabric is a step of completing the fiber-opening treatment on an intermediate fabric by passing a high-pressure water jet over the intermediate fabric that has undergone surface chemical treatment, thereby obtaining an electronic fabric 7628, wherein the pressure range of the high-pressure water jet is 0.5 to 4.0 MPa, the nozzle diameter range of the high-pressure water jet is 0.1 to 0.2 mm, and the water conductivity of the high-pressure water jet is 10 μs / cm or less.

[0014] According to another aspect of the present invention, a 7628 electronic fabric is obtained by weaving together multiple sets of highly open electronic yarns arranged in the warp direction and multiple sets of highly open electronic yarns arranged in the weft direction, wherein the warp density range of the electronic fabric is 30.5 to 43.0 ends / inch, the weft density range of the electronic fabric is 25.4 to 31.0 ends / inch, and the basis weight range of the electronic fabric is 207 to 213 g / m². 2 Furthermore, 7628 electronic fabrics are provided, in which the thickness range of the electronic fabric is 165 to 180 μm.

[0015] Selectively, the 7628 electronic fabric is obtained by weaving together multiple sets of highly open electronic yarns arranged in the warp direction and multiple sets of highly open electronic yarns arranged in the weft direction, crossing them according to a plain weave structure.

[0016] Selectively, the linear density range of the high-opening electronic yarn is 72 to 95 tex, and the twist count of the high-opening electronic yarn is 15 to 30 twists.

[0017] In this application, yarn arrangement operation, pasting operation, winding operation, warp alignment operation and winding operation are sequentially performed on the highly opened fiber electronic yarn to obtain a warp beam. Here, the linear density range of the highly opened fiber electronic yarn is 72-95 tex. The warp beam is woven into a plain weave structure using a loom to obtain an intermediate fabric. The intermediate fabric is sequentially subjected to desizing pretreatment, desizing heat treatment, surface chemical treatment and fiber opening treatment to obtain a 7628 electronic cloth. The value range of the warp direction density of the 7628 electronic cloth is 30.5-43.0 ends / inch, and the value range of the weft direction density of the 7628 electronic cloth is 25.4-31.0 ends / inch. The value range of the basis weight of the electronic cloth is 207-213 g / m 2 By adopting the method of manufacturing the 7628 electronic cloth using the highly opened fiber electronic yarn, when ensuring that the quality of the 7628 electronic cloth meets the requirements, the purpose of reducing its production cost is achieved, thereby realizing the technical effect of improving the production efficiency of the 7628 electronic cloth and the performance of the 7628 electronic cloth. The manufactured electronic cloth has a significantly increased width in the warp and weft directions, and better ventilation and impregnation performance. Furthermore, it solves the technical problems that the weaving efficiency of the 7628 electronic cloth is low and the performance of the produced 7628 electronic cloth is low due to the inability to reduce the production cost when ensuring that the quality of the 7628 electronic cloth meets the requirements in the prior art.

Brief Description of the Drawings

[0018] The drawings described here are provided for further understanding of this application, constitute a part of this application, and the exemplary embodiments and their descriptions of this application are used to interpret this application and do not unduly limit this application. In the drawings, [Figure 1] It is a flowchart of the method for manufacturing an electronic cloth provided by an embodiment of this application. [Figure 2] It is a schematic diagram of the structure of the 7628 electronic cloth provided by an embodiment of this application. [Figure 3] It is a schematic diagram of the structure of the 7628 electronic cloth woven using the G75 electronic yarn provided by the prior art. [Figure 4]It is a schematic diagram of the structure of the 7628 electronic fabric woven using the G37 electronic yarn provided by the prior art.

Embodiments for Carrying Out the Invention

[0019] Hereinafter, in order for those skilled in the art to better understand the solution means of the present application, referring to the drawings in the embodiments of the present application, the technical solution means in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments that those skilled in the art can obtain without creative efforts should all belong to the scope protected by the present application.

[0020] Note that the terms "first", "second", etc. in the specification, claims, and the above drawings of the present application are used to distinguish similar objects and are not for explaining a specific order or sequence. It should be understood that such data can be exchanged when appropriate so that the embodiments of the present application described in this specification can be implemented in an order other than the order illustrated or described in this specification. Furthermore, the terms "comprising" and "having", and any variations thereof, are intended to cover non-exclusive inclusion. For example, a process, method, system, product, or device comprising a series of steps or units is not necessarily limited to the clearly listed steps or units, and may include other steps or units not clearly listed or specific to these processes, methods, products, or devices.

[0021] Furthermore, in the embodiments provided in this application, the directions and positional relationships indicated by directional terms such as "center," "horizontal direction (X)," "vertical direction (Y)," "height direction (Z)," "length," "width," "thickness," "top," "bottom," "front," "back," "left," "right," "vertical," "horizontal," "top," "bottom," "inside," "outside," "clockwise," and "counterclockwise" are directions or positional relationships shown based on the drawings, and are merely for the purpose of easily explaining and simplifying the explanation of the present invention. They do not indicate or imply that the referred device or element must necessarily have a specific direction, or be configured and operated in a specific direction, nor do they limit the specific scope of protection of the present invention.

[0022] Electronic fabric is a general term for electronic-grade glass fiber cloth used in the electronics industry. The main application area of ​​electronic fabric is the manufacture of copper-clad laminates in the electronics industry. Among conventional electronic fabrics, 7628 electronic fabric has a relatively wide range of applications.

[0023] Currently, most conventional 7628 electronic fabrics are woven using G75 electronic yarn or G37 electronic yarn. Of these, 7628 electronic fabric woven with G75 electronic yarn has a warp and weft density of 44 × 33 ends / inch and a basis weight of 210 g / m². 2 Therefore, the product quality can meet actual needs. However, when weaving 7628 electronic fabric using G75 electronic yarn, the high production cost of the electronic fabric leads to low weaving efficiency and low profit. 7628 electronic fabric woven using G37 electronic yarn has a warp and weft density of 22 × 17.1 ends / inch. While 7628 electronic fabric woven using G37 electronic yarn improves production efficiency to some extent, it is prone to deformation, has relatively low dimensional stability, and the arrangement of yarns in the warp and weft directions is too sparse, with large gaps between two adjacent yarns. As a result, the physical properties of the electronic fabric, such as breathability, exceed the standards, making it difficult to meet usage requirements.

[0024] To solve the above problems, the present invention provides relevant technical solutions, which will be described in detail below.

[0025] Embodiments of the present invention provide embodiments of a method for manufacturing electronic cloth, and the steps shown in the flowcharts of the drawings can be performed, for example, in a computer system of a set of computer-executable instructions, and although a logical order is shown in the flowcharts, in some cases the steps shown or described can be performed in an order different from that specified herein.

[0026] In the above operating environment, the embodiment of the present application provides a method for manufacturing electronic cloth, and as shown in Figure 1, the method includes the following steps S102 to S106.

[0027] In step S102, yarn arrangement, sizing, winding, warp alignment, and winding operations are sequentially performed on the highly open electronic yarn to obtain a weaving axis, where the linear density range of the highly open electronic yarn is 72 to 95 tex.

[0028] In the technical solution provided in step S102, prior to the step of sequentially performing yarn arrangement, sizing, winding, warp alignment and winding operations on the highly open electronic yarn to obtain a weaving axis, the method for manufacturing electronic fabric further includes the step of twisting the highly open electronic yarn to obtain a highly open electronic yarn, wherein the range of twist values ​​of the highly open electronic yarn obtained after the twisting treatment is 15 to 30 twists, and the range of linear density of the yarn of the highly open electronic yarn is 72 to 95 tex.

[0029] Specifically, in this embodiment, the twist of the highly open electronic yarn obtained after twisting the highly open electronic yarn may be any value within the above range of twist values, for example, 15 twists, 30 twists, or 20 twists. Similarly, the linear density of the highly open electronic yarn and the yarn of the highly open electronic yarn may be any value within the above linear density range, for example, 72 tex, 95 tex, or 80 tex.

[0030] In some embodiments of the present application, the step of performing a twisting treatment on a highly open electronic yarn to obtain a highly open electronic yarn includes the step of performing a twisting treatment on a highly open electronic yarn in a first predetermined temperature range and a predetermined humidity range, wherein the first predetermined temperature range is 25 to 35°C and the predetermined humidity range is 40 to 50%.

[0031] Specifically, when performing the twisting process, the ambient temperature during the twisting process may be any value within the first predetermined temperature range described above, for example, 25°C, 35°C, or 30°C. The ambient humidity may be any value within the predetermined humidity range described above, for example, 40%, 50%, or 45%.

[0032] As an optional embodiment, after sizing the high-opening electronic yarn, the winding tension range of the high-opening electronic yarn is 850 to 950 N, and any value within the range of 850 to 950 N may be, for example, 850 N, 950 N, or 900 N. After warp alignment of the high-opening electronic yarn, the winding tension range of the high-opening electronic yarn is 4000 to 5000 N, and any value within the range of 4000 to 5000 N may be, for example, 4000 N, 5000 N, or 4500 N.

[0033] Step S104 involves weaving a plain weave structure onto a loom to obtain an intermediate fabric.

[0034] In the technical solution provided in step S104, the loom used may be an air jet loom. In step S104, the step of weaving the loom with a plain weave structure is a step of beating the loom with a reed using high-opening electronic yarn.

[0035] Step S106 sequentially performs desizing pretreatment, desizing heat treatment, surface chemical treatment, and fiber opening treatment on the intermediate fabric to obtain 7628 electronic fabric, where the warp density range of the 7628 electronic fabric is 30.5 to 43.0 ends / inch, the weft density range of the 7628 electronic fabric is 25.4 to 31.0 ends / inch, and the basis weight range of the 7628 electronic fabric is 207 to 213 g / m². 2 That is the case.

[0036] In the technical solution provided in step S106, the step of performing a desizing pretreatment on the intermediate dough is to complete the desizing pretreatment on the intermediate dough by passing the intermediate dough through a first high-temperature furnace region and a second high-temperature furnace region at a predetermined linear velocity, wherein the range of the predetermined linear velocity is 95 to 105 m / min, the range of the temperature in the first high-temperature furnace region is 420 to 440°C, and the range of the temperature in the second high-temperature furnace region is 440 to 460°C.

[0037] Specifically, when performing the pre-treatment for desizing, the linear velocity of the intermediate dough may be any value within the above-mentioned predetermined linear velocity range, for example, 85 m / min, 105 m / min, or 95 m / min. Similarly, the temperatures of the first high-temperature furnace region and the second high-temperature furnace region may be any value within the above-mentioned corresponding temperature range, for example, the temperature of the first high-temperature furnace region may be 420°C, 440°C, or 430°C, and the temperature of the second high-temperature furnace region may be 440°C, 460°C, or 450°C.

[0038] As an optional embodiment, the step of performing a desizing heat treatment on the intermediate dough is a step of performing a first heat treatment on the intermediate dough that has undergone a desizing pretreatment in a first heat retention temperature range, wherein the value range of the first heat retention temperature range is 150 to 200°C, and the value range of the heat retention time of the first heat treatment is 2 to 3 hours, for example, the first heat retention temperature may be any value within the range of 150 to 200°C, such as 150°C, 200°C, or 180°C, and the heat retention time may be any value within the range of 2 to 3 hours, such as 2 hours, 3 hours, or 2.5 hours; and the step of performing a second heat treatment on the intermediate dough that has undergone the first heat treatment in a second heat retention temperature range, wherein the value range of the second heat retention temperature range is 220 to 260°C, and the value range of the heat retention time of the second heat treatment is 5 to 6 hours. The step includes: a step in which the second heat retention temperature is any value within the range of 220 to 260°C, for example, it may be 220°C, 260°C, or 250°C, and the second heat retention time is any value within the range of 5 to 6 hours, for example, it may be 5 hours, 6 hours, or 5.5 hours; and a step in which a third heat retention treatment is performed on the intermediate dough that has undergone the second heat retention treatment in a third heat retention temperature interval, wherein the value range of the third heat retention temperature interval is 390 to 410°C, and the value range of the heat retention time of the third heat retention treatment is 50 to 53 hours, for example, the third heat retention temperature is any value within the range of 390 to 410°C, for example, it may be 390°C, 410°C, or 400°C, and the heat retention time of the third heat retention treatment is any value within the range of 50 to 53 hours, for example, it may be 50 hours, 53 hours, or 52 hours.

[0039] In some embodiments of the present invention, the step of performing a surface chemical treatment on an intermediate dough is a step of completing the surface chemical treatment on the intermediate dough by immersing the intermediate dough, which has undergone desizing heat treatment, in a pre-prepared silane coupling agent, wherein the solid content range of the pre-prepared silane coupling agent is 0.10% to 0.45%, and the pH range of the pre-prepared silane coupling agent in the process of performing a surface chemical treatment on the intermediate dough is 2.0 to 5.0.

[0040] Specifically, when performing surface chemical treatment on the intermediate dough, the solid content of the pre-prepared silane coupling agent may be any value within the range of 0.10% to 0.45%, such as 0.10%, 0.27%, 0.3%, 0.35%, 0.40%, or 0.45%. Furthermore, in the surface chemical treatment process, the pH value of the pre-prepared silane coupling agent can be controlled to 2.0 to 5.0 by adding an acidic reagent such as glacial acetic acid to the pre-prepared silane coupling agent. For example, the pH value may be any value within the range of 2.0 to 5.0, such as 2.0, 2.5, 3.0, 4.0, 4.5, or 5.

[0041] As an optional embodiment, the step of performing a fiber-opening treatment on the intermediate fabric is to complete the fiber-opening treatment on the intermediate fabric by passing a high-pressure water jet through the intermediate fabric that has undergone surface chemical treatment, thereby obtaining the 7628 electronic fabric, wherein the pressure range of the high-pressure water jet is 0.5 to 4.0 MPa, the nozzle diameter range of the high-pressure water jet is 0.1 to 0.2 mm, and the water conductivity of the high-pressure water jet is 10 μs / cm or less.

[0042] Specifically, in the fiber opening process, the pressure of the high-pressure water jet may be any value within the above pressure range, for example, 0.5 MPa, 4.0 MPa, or 3 MPa. The nozzle diameter of the high-pressure water jet may be any value within the above diameter range, for example, 0.1 mm, 0.2 mm, or 0.15 mm.

[0043] The above steps enable the weaving of 7628 electronic fabric using high-opening electronic yarn as a raw material, thereby ensuring that the basis weight of the 7628 electronic fabric meets the requirements, while also effectively reducing the warp and weft directional density during weaving, improving weaving efficiency, and better meeting market and usage requirements.

[0044] Furthermore, 7628 electronic fabric woven with high-opening electronic yarn has a lower warp and weft density compared to 7628 electronic fabric woven with conventional G75, allowing for a wider yarn width, filling the gaps between adjacent yarns, reducing the thickness of the electronic fabric, and improving its physical performance.

[0045] Furthermore, in the method for manufacturing electronic fabric provided in the embodiments of this application, by controlling the temperature, humidity, and degree of twist within a predetermined range when twisting high-opening filament yarn to form high-opening electronic yarn, the twisted high-opening electronic yarn has good bundling properties, the generation of fuzz on the yarn surface can be reduced, and the woven electronic fabric has a smooth and clean surface. By controlling the winding tension after sizing and the winding tension after warp alignment within a predetermined range, the weaving shaft has good hardness, good flatness of the fabric surface is guaranteed, and the uniformity of the fabric surface tension is improved. By employing a specific method of desizing pretreatment and desizing heat treatment, the sizing residue on the electronic fabric can be largely burned off, improving the penetration and compatibility between the surface treatment agent and the electronic fabric. In addition, by employing the surface treatment and fiber opening treatment of the present invention, the high-opening electronic yarn in the electronic fabric opens sufficiently by fiber opening, comes into sufficient contact with the surface treatment agent, the thickness of the fabric surface is reduced, and excess surface treatment agent is carried away by high-pressure water flow, improving the uniformity of the bonding of the electronic fabric with the subsequent resin.

[0046] According to the embodiments of the present application, a 7628 electronic cloth is further provided. The 7628 electronic cloth is obtained by interweaving a plurality of groups of high-opening fiber electronic yarns arranged in the warp direction and a plurality of groups of high-opening fiber electronic yarns arranged in the weft direction. Here, the value range of the warp direction density of the 7628 electronic cloth is 30.5 - 43.0 ends / inch. For example, if it is any value within the range of 30.5 - 43.0 ends / inch, it may be 30.5 ends / inch, 43.0 ends / inch, or 40 ends / inch. The value range of the weft direction density of the 7628 electronic cloth is 25.4 - 31.0 ends / inch. For example, if it is any value within the range of 25.4 - 31.0 ends / inch, it may be 25.4 ends / inch, 31.0 ends / inch, or 28 ends / inch. The value range of the gram weight per square meter of the 7628 electronic cloth is 207 - 213 g / m 2 and, for example, if it is any value within the range of 207 - 213 g / m 2 it may be 207 g / m 2 , 213 g / m 2 or 210 g / m 2 and the value range of the thickness of the electronic cloth is 165 - 180 μm. For example, if it is any value within the range of 165 - 180 μm, it may be 165 μm, 180 μm, or 170 μm.

[0047] As a selectable embodiment, as shown in FIG. 2, the 7628 electronic cloth is obtained by interweaving a plurality of groups of high-opening fiber electronic yarns arranged in the warp direction and a plurality of groups of high-opening fiber electronic yarns arranged in the weft direction according to a plain weave structure. In FIG. 2, 1 represents the 7628 electronic cloth, 2 represents the warp yarn, and 3 represents the weft yarn.

[0048] In some embodiments of the present application, the value range of the linear density of the high-opening fiber electronic yarn is 72 - 95 tex. For example, if it is any value within the range of 72 - 95 tex, it may be 72 tex, 95 tex, or 90 tex. The twist of the high-opening fiber electronic yarn is 15 - 30 turns per meter. For example, if it is any value within the range of 15 - 30 turns per meter, it may be 15 turns per meter, 30 turns per meter, or 20 turns per meter.

[0049] In some embodiments of the present application, the 7628 electronic fabric provided may have different size specifications to meet different user needs. For example, the 7628 electronic fabric provided in embodiments of the present application, which has a plain weave structure made by weaving multiple sets of warp and weft threads together, may have several different size specifications as follows:

[0050] Example 1: The 7628 electronic fabric has a linear density of 92 tex and a twist count of 28 for the highly open electronic yarn. The warp density of the electronic fabric is 31.5 ends / inch, the weft density is 26.4 ends / inch, and the basis weight of the electronic fabric is 210 g / m². 2 The thickness is 179 μm.

[0051] As a selectable embodiment, the manufacturing flow of the 7628 electronic cloth of Example 1 described above is as follows:

[0052] Step 1 involves selecting a highly open-fiber electronic yarn, twisting the highly open-fiber electronic yarn in a twisting machine to obtain a highly open-fiber electronic yarn, and controlling the temperature and humidity to 35°C and 40% respectively during the twisting of the highly open-fiber electronic yarn.

[0053] Step 2 involves yarn arrangement, sizing, winding, warp alignment, and winding processes on the highly open electronic yarn to obtain a weaving axis. Here, the winding tension of the intermediate product after sizing is controlled to 950N, and the winding tension of the intermediate product after warp alignment is controlled to 4500N.

[0054] Step 3 involves feeding the weaving shaft into an air-jet loom and weaving it in a plain weave structure to obtain an intermediate fabric.

[0055] Step 4 involves sequentially performing desizing pretreatment, desizing heat treatment, surface chemical treatment, and fiber opening treatment on the intermediate fabric to obtain the above-mentioned Type 1 7628 electronic fabric.

[0056] Specifically, the pre-sizing flow for desizing includes passing the intermediate dough through multiple high-temperature furnace regions at a constant linear velocity, with a linear velocity of 95 m / min, and the high-temperature furnace regions include a first and second furnace region, with a temperature of 440°C in the first furnace region and a temperature of 460°C in the second furnace region. The heat treatment for desizing includes a three-stage temperature holding process for the intermediate dough after the pre-sizing process, where the first stage temperature is 200°C and the first stage holding time is 3 hours, the second stage temperature is 260°C and the second stage holding time is 6 hours, and the third stage temperature is 410°C and the third stage holding time is 53 hours. The surface chemical treatment flow includes immersing the intermediate fabric after desizing and heat treatment with a silane coupling agent, where the solid content of the silane coupling agent is 0.10% to 0.45%, and the pH value is adjusted to 2.0 to 5.0 by adding glacial acetic acid to the silane coupling agent at the time of use. The fiber opening treatment flow includes performing a fiber opening treatment on the intermediate fabric after surface chemical treatment using a high-pressure water jet of 4.0 MPa, where the nozzle hole diameter is 0.2 mm, and the water flow conductivity is <10 μs / cm.

[0057] Example 2: The 7628 electronic fabric has a linear density of 85 tex and a twist count of 26 for the highly open electronic yarn. The warp density of the electronic fabric is 35.6 ends / inch, the weft density is 27.2 ends / inch, and the basis weight of the electronic fabric is 210 g / m². 2 It is 177 μm thick.

[0058] As a selectable embodiment, the manufacturing flow of the 7628 electronic cloth of Example 2 described above is as follows:

[0059] Step 1 involves selecting a highly open-fiber electronic yarn, twisting the highly open-fiber electronic yarn in a twisting machine to obtain a highly open-fiber electronic yarn, and controlling the temperature and humidity to 32°C and 43% respectively during the twisting of the highly open-fiber electronic yarn.

[0060] Step 2 involves yarn arrangement, sizing, winding, warp alignment, and winding processes on the highly open electronic yarn to obtain a weaving axis. Here, the winding tension of the intermediate product after sizing is controlled to 920N, and the winding tension of the intermediate product after warp alignment is controlled to 4350N.

[0061] Step 3 involves feeding the weaving shaft into an air-jet loom and weaving it in a plain weave structure to obtain an intermediate fabric.

[0062] Step 4 involves sequentially performing desizing pretreatment, desizing heat treatment, surface chemical treatment, and fiber opening treatment on the intermediate fabric to obtain the two types of 7628 electronic fabric described above.

[0063] Specifically, the pre-sizing flow for desizing includes passing the intermediate dough through multiple high-temperature furnace regions at a constant linear velocity, with a linear velocity of 95 m / min, and the high-temperature furnace regions include a first furnace region and a second furnace region, with a temperature of 440°C in the first furnace region and a temperature of 460°C in the second furnace region. The heat treatment for desizing includes a three-stage temperature holding process for the intermediate dough after the pre-sizing process, where the first stage temperature is 185°C and the first stage holding time is 3 hours, the second stage temperature is 245°C and the second stage holding time is 6 hours, and the third stage temperature is 410°C and the third stage holding time is 53 hours. The surface chemical treatment flow includes immersing the intermediate fabric after desizing and heat treatment with a silane coupling agent, where the solid content of the silane coupling agent is 0.10% to 0.45%, and glacial acetic acid is added to the silane coupling agent at the time of use to adjust the pH value to 2.0 to 5.0. The fiber opening treatment flow includes performing a fiber opening treatment on the intermediate fabric after surface chemical treatment using a high-pressure water jet of 3.5 MPa, where the nozzle hole diameter is 0.2 mm, and the water flow conductivity is <10 μs / cm.

[0064] Example 3: The 7628 electronic fabric has a linear density of 85 tex and a twist count of 26 for the highly open electronic yarn. The warp density of the electronic fabric is 36.3 ends / inch, the weft density is 26.4 ends / inch, and the basis weight of the electronic fabric is 210 g / m². 2It is 177 μm thick.

[0065] As a selectable embodiment, the manufacturing flow of the 7628 electronic cloth of Example 3 described above is as follows:

[0066] Step 1 involves selecting a highly open-fiber electronic yarn, twisting the highly open-fiber electronic yarn in a twisting machine to obtain a highly open-fiber electronic yarn, and controlling the temperature and humidity to 32°C and 43% respectively during the twisting of the highly open-fiber electronic yarn.

[0067] Step 2 involves yarn arrangement, sizing, winding, warp alignment, and winding processes on the highly open electronic yarn to obtain a weaving axis. Here, the winding tension of the intermediate product after sizing is controlled to 920N, and the winding tension of the intermediate product after warp alignment is controlled to 4350N.

[0068] Step 3 involves feeding the weaving shaft into an air-jet loom and weaving it in a plain weave structure to obtain an intermediate fabric.

[0069] Step 4 involves sequentially performing desizing pretreatment, desizing heat treatment, surface chemical treatment, and fiber opening treatment on the intermediate fabric to obtain the three types of 7628 electronic fabrics described above.

[0070] Specifically, the pre-sizing flow for desizing includes passing the intermediate dough through multiple high-temperature furnace regions at a constant linear velocity, with a linear velocity of 95 m / min, and the high-temperature furnace regions include a first furnace region and a second furnace region, with a temperature of 440°C in the first furnace region and a temperature of 460°C in the second furnace region. The heat treatment for desizing includes a three-stage temperature holding process for the intermediate dough after the pre-sizing process, where the first stage temperature is 185°C and the first stage holding time is 3 hours, the second stage temperature is 245°C and the second stage holding time is 6 hours, and the third stage temperature is 410°C and the third stage holding time is 53 hours. The surface chemical treatment flow includes immersing the intermediate fabric after desizing and heat treatment with a silane coupling agent, where the solid content of the silane coupling agent is 0.10% to 0.45%, and glacial acetic acid is added to the silane coupling agent at the time of use to adjust the pH value to 2.0 to 5.0. The fiber opening treatment flow includes performing a fiber opening treatment on the intermediate fabric after surface chemical treatment using a high-pressure water jet of 3.5 MPa, where the nozzle hole diameter is 0.2 mm, and the water flow conductivity is <10 μs / cm.

[0071] Example 4: The 7628 electronic fabric has a linear density of 78 tex and a twist count of 25 for the highly open electronic yarn. The warp density of the electronic fabric is 39.4 ends / inch, the weft density is 29.0 ends / inch, and the basis weight of the electronic fabric is 210 g / m². 2 It is 175 μm thick.

[0072] As an optional embodiment, the manufacturing flow of the 7628 electronic cloth of Example 4 described above is as follows:

[0073] Step 1 involves selecting a highly open-fiber electronic yarn, twisting the highly open-fiber electronic yarn in a twisting machine to obtain a highly open-fiber electronic yarn, and controlling the temperature and humidity to 28°C and 46% respectively during the twisting of the highly open-fiber electronic yarn.

[0074] Step 2 involves yarn arrangement, sizing, winding, warp alignment, and winding processes on the highly open electronic yarn to obtain a weaving axis. Here, the winding tension of the intermediate product after sizing is controlled to 890N, and the winding tension of the intermediate product after warp alignment is controlled to 4150N.

[0075] Step 3 involves feeding the weaving shaft into an air-jet loom and weaving it in a plain weave structure to obtain an intermediate fabric.

[0076] Step 4 involves sequentially performing desizing pretreatment, desizing heat treatment, surface chemical treatment, and fiber opening treatment on the intermediate fabric to obtain the four types of 7628 electronic fabrics described above.

[0077] Specifically, the pre-sizing flow for desizing includes passing the intermediate dough through multiple high-temperature furnace regions at a constant linear velocity, with a linear velocity of 100 m / min. The high-temperature furnace regions include a first and a second furnace region, with a temperature of 430°C in the first furnace region and 450°C in the second furnace region. The heat treatment for desizing includes a three-stage temperature hold on the intermediate dough after the pre-sizing process, where the first stage temperature is 175°C and the first stage hold time is 2.5 hours, the second stage temperature is 235°C and the second stage hold time is 5.5 hours, and the third stage temperature is 400°C and the third stage hold time is 52 hours. The surface chemical treatment flow includes immersing the intermediate fabric after desizing and heat treatment with a silane coupling agent, where the solid content of the silane coupling agent is 0.10% to 0.45%, and glacial acetic acid is added to the silane coupling agent at the time of use to adjust the pH value to 2.0 to 5.0. The fiber opening treatment flow includes performing a fiber opening treatment on the intermediate fabric after surface chemical treatment using a high-pressure water jet of 1.7 MPa, where the nozzle hole diameter is 0.2 mm, and the water flow conductivity is <10 μs / cm.

[0078] Example 5: The 7628 electronic fabric has a linear density of 78 tex and a twist count of 25 for the highly open electronic yarn. The warp density of the electronic fabric is 40.4 ends / inch, the weft density is 27.9 ends / inch, and the basis weight of the electronic fabric is 210 g / m².2 It is 175 μm thick.

[0079] As an optional embodiment, the manufacturing flow of the 7628 electronic cloth of Example 5 described above is as follows:

[0080] Step 1 involves selecting a highly open-fiber electronic yarn, twisting the highly open-fiber electronic yarn in a twisting machine to obtain a highly open-fiber electronic yarn, and controlling the temperature and humidity to 28°C and 46% respectively during the twisting of the highly open-fiber electronic yarn.

[0081] Step 2 involves yarn arrangement, sizing, winding, warp alignment, and winding processes on the highly open electronic yarn to obtain a weaving axis. Here, the winding tension of the intermediate product after sizing is controlled to 890N, and the winding tension of the intermediate product after warp alignment is controlled to 4150N.

[0082] Step 3 involves feeding the weaving shaft into an air-jet loom and weaving it in a plain weave structure to obtain an intermediate fabric.

[0083] Step 4 involves sequentially performing desizing pretreatment, desizing heat treatment, surface chemical treatment, and fiber opening treatment on the intermediate fabric to obtain the five types of 7628 electronic fabrics described above.

[0084] Specifically, the pre-sizing flow for desizing includes passing the intermediate dough through multiple high-temperature furnace regions at a constant linear velocity, with a linear velocity of 100 m / min. The high-temperature furnace regions include a first and a second furnace region, with a temperature of 430°C in the first furnace region and 450°C in the second furnace region. The heat treatment for desizing includes a three-stage temperature hold on the intermediate dough after the pre-sizing process, where the first stage temperature is 175°C and the first stage hold time is 2.5 hours, the second stage temperature is 235°C and the second stage hold time is 5.5 hours, and the third stage temperature is 400°C and the third stage hold time is 52 hours. The surface chemical treatment flow includes immersing the intermediate fabric after desizing and heat treatment with a silane coupling agent, where the solid content of the silane coupling agent is 0.10% to 0.45%, and glacial acetic acid is added to the silane coupling agent at the time of use to adjust the pH value to 2.0 to 5.0. The fiber opening treatment flow includes performing a fiber opening treatment on the intermediate fabric after surface chemical treatment using a high-pressure water jet of 1.7 MPa, where the nozzle hole diameter is 0.2 mm, and the water flow conductivity is <10 μs / cm.

[0085] Example 6: The 7628 electronic fabric has a linear density of 75 tex and a twist count of 22 for the highly open electronic yarn. The warp density of the electronic fabric is 41.1 ends / inch, the weft density is 30.0 ends / inch, and the basis weight of the electronic fabric is 210 g / m². 2 It is 173 μm thick.

[0086] As an optional embodiment, the manufacturing flow of the 7628 electronic cloth of Example 6 described above is as follows:

[0087] Step 1 involves selecting a highly open-fiber electronic yarn, twisting the highly open-fiber electronic yarn in a twisting machine to obtain a highly open-fiber electronic yarn, and controlling the temperature and humidity to 26°C and 48% respectively during the twisting of the highly open-fiber electronic yarn.

[0088] Step 2 involves yarn arrangement, sizing, winding, warp alignment, and winding processes on the highly open electronic yarn to obtain a weaving axis. Here, the winding tension of the intermediate product after sizing is controlled to 870N, and the winding tension of the intermediate product after warp alignment is controlled to 4050N.

[0089] Step 3 involves feeding the weaving shaft into an air-jet loom and weaving it in a plain weave structure to obtain an intermediate fabric.

[0090] Step 4 involves sequentially performing desizing pretreatment, desizing heat treatment, surface chemical treatment, and fiber opening treatment on the intermediate fabric to obtain the six types of 7628 electronic fabrics described above.

[0091] Specifically, the pre-sizing flow for desizing includes passing the intermediate dough through multiple high-temperature furnace regions at a constant linear velocity, with a linear velocity of 105 m / min, and the high-temperature furnace regions include a first and second furnace region, with a temperature of 420°C in the first furnace region and a temperature of 440°C in the second furnace region. The heat treatment for desizing includes a three-stage temperature holding process for the intermediate dough after the pre-sizing process, where the first stage temperature is 155°C and the first stage holding time is 2 hours, the second stage temperature is 225°C and the second stage holding time is 5 hours, and the third stage temperature is 390°C and the third stage holding time is 50 hours. The surface chemical treatment flow includes immersing the intermediate fabric after desizing and heat treatment with a silane coupling agent, where the solid content of the silane coupling agent is 0.10% to 0.45%, and the pH value is adjusted to 2.0 to 5.0 by adding glacial acetic acid to the silane coupling agent at the time of use. The fiber opening treatment flow includes performing a fiber opening treatment on the intermediate fabric after surface chemical treatment using a high-pressure water jet of 1.0 MPa, where the nozzle hole diameter is 0.2 mm, and the water flow conductivity is <10 μs / cm.

[0092] Example 7: The 7628 electronic fabric has a linear density of 75 tex and a twist count of 22 for the highly open electronic yarn. The warp density of the electronic fabric is 41.9 ends / inch, the weft density is 29.2 ends / inch, and the basis weight of the electronic fabric is 210 g / m². 2It is 173 μm thick.

[0093] As an optional embodiment, the manufacturing flow of the 7628 electronic cloth of Example 7 described above is as follows:

[0094] Step 1 involves selecting a highly open-fiber electronic yarn, twisting the highly open-fiber electronic yarn in a twisting machine to obtain a highly open-fiber electronic yarn, and controlling the temperature and humidity to 26°C and 48% respectively during the twisting of the highly open-fiber electronic yarn.

[0095] Step 2 involves yarn arrangement, sizing, winding, warp alignment, and winding processes on the highly open electronic yarn to obtain a weaving axis. Here, the winding tension of the intermediate product after sizing is controlled to 870N, and the winding tension of the intermediate product after warp alignment is controlled to 4050N.

[0096] Step 3 involves feeding the weaving shaft into an air-jet loom and weaving it in a plain weave structure to obtain an intermediate fabric.

[0097] Step 4 involves sequentially performing desizing pretreatment, desizing heat treatment, surface chemical treatment, and fiber opening treatment on the intermediate fabric to obtain the seven types of 7628 electronic fabrics described above.

[0098] Specifically, the pre-sizing flow for desizing includes passing the intermediate dough through multiple high-temperature furnace regions at a constant linear velocity, with a linear velocity of 105 m / min. The high-temperature furnace regions include a first and a second furnace region, with a temperature of 420°C in the first furnace region and 440°C in the second furnace region. The heat treatment for desizing includes a three-stage temperature hold on the intermediate dough after the pre-sizing process, where the first stage temperature is 155°C and the first stage hold time is 3 hours, the second stage temperature is 225°C and the second stage hold time is 6 hours, and the third stage temperature is 390°C and the third stage hold time is 50 hours. The surface chemical treatment flow includes immersing the intermediate fabric after desizing and heat treatment with a silane coupling agent, where the solid content of the silane coupling agent is 0.10% to 0.45%, and the pH value is adjusted to 2.0 to 5.0 by adding glacial acetic acid to the silane coupling agent at the time of use. The fiber opening treatment flow includes performing a fiber opening treatment on the intermediate fabric after surface chemical treatment using a high-pressure water jet of 1.0 MPa, where the nozzle hole diameter is 0.2 mm, and the water flow conductivity is <10 μs / cm.

[0099] Example 8: The 7628 electronic fabric has a linear density of 73 tex and a twist count of 18 for the highly open electronic yarn. The warp density of the electronic fabric is 42.4 ends / inch, the weft density is 30.5 ends / inch, and the basis weight of the electronic fabric is 210 g / m². 2 Its thickness is 169 μm.

[0100] As an optional embodiment, the manufacturing flow of the 7628 electronic cloth of Example 8 described above is as follows:

[0101] Step 1 involves selecting a highly open-fiber electronic yarn, twisting the highly open-fiber electronic yarn in a twisting machine to obtain a highly open-fiber electronic yarn, and controlling the temperature and humidity to 25°C and 50% respectively during the twisting of the highly open-fiber electronic yarn.

[0102] Step 2 involves yarn arrangement, sizing, winding, warp alignment, and winding processes on the highly open electronic yarn to obtain a weaving axis. Here, the winding tension of the intermediate product after sizing is controlled to 850N, and the winding tension of the intermediate product after warp alignment is controlled to 4000N.

[0103] Step 3 involves feeding the weaving shaft into an air-jet loom and weaving it in a plain weave structure to obtain an intermediate fabric.

[0104] Step 4 involves sequentially performing desizing pretreatment, desizing heat treatment, surface chemical treatment, and fiber opening treatment on the intermediate fabric to obtain the eight types of 7628 electronic fabrics described above.

[0105] Specifically, the pre-sizing flow for desizing includes passing the intermediate dough through multiple high-temperature furnace regions at a constant linear velocity, with a linear velocity of 105 m / min. The high-temperature furnace regions include a first and a second furnace region, with a temperature of 420°C in the first furnace region and 440°C in the second furnace region. The heat treatment for desizing includes a three-stage temperature hold on the intermediate dough after the pre-sizing process, where the first stage temperature is 150°C and the first stage hold time is 2 hours, the second stage temperature is 220°C and the second stage hold time is 5 hours, and the third stage temperature is 390°C and the third stage hold time is 50 hours. The surface chemical treatment flow includes immersing the intermediate fabric after desizing and heat treatment with a silane coupling agent, where the solid content of the silane coupling agent is 0.10% to 0.45%, and glacial acetic acid is added to the silane coupling agent at the time of use to adjust the pH value to 2.0 to 5.0. The fiber opening treatment flow includes performing a fiber opening treatment on the intermediate fabric after surface chemical treatment using a high-pressure water jet of 0.5 MPa, where the nozzle hole diameter is 0.2 mm, and the water flow conductivity is <10 μs / cm.

[0106] The 7628 electronic fabric and manufacturing method provided in the embodiments of this application can effectively improve production efficiency and reduce production costs compared to the prior art, while ensuring that the performance of the 7628 electronic fabric meets the requirements. Specifically, as shown in Figure 3, the 7628 electronic fabric woven using G37 electronic yarn in the prior art has a warp and weft density of 22 × 17.1 ends / inch and a basis weight of 210 g / m². 2 Therefore, it is found that 7628 electronic fabric woven using G37 electronic yarn has a low warp and weft density and high weaving efficiency, but the dimensional stability of the produced 7628 electronic fabric is low, and the yarn arrangement in the warp and weft directions is too sparse, resulting in the physical properties of the electronic fabric, such as air permeability, exceeding the standards.

[0107] Compared to the 7628 electronic fabric woven using G75 yarn, the 7628 electronic fabric woven using G75 yarn has a warp and weft density of 44 × 33 ends / inch and a basis weight of 210 g / m², as shown in Figure 4. 2 Therefore, although the quality of the 7628 electronic fabric using G75 yarn meets the requirements, its production efficiency is too low. In this application, production efficiency can be effectively improved by weaving the 7628 electronic fabric using high-opening electronic yarn and ensuring that the quality of the woven 7628 electronic fabric meets the requirements.

[0108] In short, the basic parameters of the various types of electronic fabrics provided in the embodiments of this application and the electronic fabrics in the prior art are shown in the table below.

[0109] [Table 1]

[0110] As can be seen from the table above, the high-opening electronic yarn provided in the embodiment of this application has a higher linear density than G75 electronic yarn, is thicker, easier to shape, lower cost, and more convenient for use in weaving. Furthermore, in the embodiment of this application, the conventional G75 electronic yarn is replaced with the high-opening electronic yarn to weave 7628 electronic fabric, reducing the warp and weft density of the weave, effectively improving weaving efficiency, improving the dimensional stability of the fabric surface, and reducing weaving costs, thereby meeting the growing market demand for electronic fabrics. Furthermore, as can be seen from the table above, when weaving 7628 electronic fabric using the manufacturing method of 7628 electronic fabric provided in the embodiment of this application, the highly open electronic yarns can open sufficiently, so the warp and weft widths of the electronic yarns become even larger than those of G75 electronic yarns, and the warp and weft widths can reach 600 to 750 μm. To some extent, this can compensate for the increased yarn gaps due to the decrease in warp and weft density of the electronic yarns, contributing to a reduction in the overall thickness of the 7628 electronic fabric, thereby improving the physical performance of the 7628 electronic fabric.

[0111] Furthermore, compared to the 7628 electronic fabric in the prior art, the median linear density of G75 electronic yarn, which is common in the market, is 69 tex, the median linear density of G37 electronic yarn is 137 tex, and the density of high-opening electronic yarn is 72-95 tex. The linear density of G37 electronic yarn is nearly twice that of G75 electronic yarn, and weaving 7628 electronic fabric using G37 can improve weaving efficiency by a factor of 1. However, the warp and weft densities used in weaving are too low, resulting in low dimensional stability of the woven electronic fabric, making it prone to deformation and making it difficult to guarantee the weaving quality of the electronic fabric. The method of weaving 7628 electronic fabric using high-opening electronic yarn provided in the embodiment of the present application allows the warp and weft densities of the 7628 electronic fabric to be within an appropriate range, improving weaving efficiency and guaranteeing the dimensional stability and weaving quality of the electronic fabric.

[0112] As can be seen from the above comparison results, the 7628 electronic fabric woven using the high-opening electronic yarn provided in the embodiment of this application has superior performance in terms of the width of the yarn in the warp and weft directions, the warp and weft density of the electronic fabric, and the strength in the warp and weft directions compared to the 7628 electronic fabric woven using the G75 electronic yarn and the 7628 electronic fabric manufactured using the G37 electronic yarn in the prior art. This improves the production and weaving efficiency of the 7628 electronic fabric and enhances its physical performance, resulting in the 7628 electronic fabric woven using the high-opening electronic yarn having superior performance in terms of breathability and impregnation.

[0113] Specifically, the weaving flow for weaving 7628 electronic fabric using G37 electronic yarn in the related technology is as follows:

[0114] Step 1 involves creating the warp and weft threads from G37 electronic filaments.

[0115] Step 2 involves creating through holes in the outer surfaces of the warp and weft threads, followed by feeding the warp and weft threads into an air-jet loom for weaving.

[0116] Step 3 involves sequentially feeding the fabric woven in Step S2 into a KH unit and a BH furnace for continuous heat treatment and batch heat treatment. When performing continuous heat treatment on the fabric from Step S1 using the KH unit, the furnace temperature is 300-400°C, the heating time is 20-30 minutes, and the amount of residual organic matter in the fabric after treatment is 0.2-0.4%. When treating the fabric using the BH furnace, the temperature is 380-410°C, the treatment time is 30-50 hours, and the amount of residual organic matter in the fabric after treatment is 0.02-0.04%.

[0117] Step 4 involves feeding the heat-treated fabric into a silane coupling agent for surface chemical treatment to obtain an electronic fabric. Before chemically treating the surface of the fabric with the silane coupling agent, it is necessary to add a fluorine-based surfactant to the silane coupling agent, with the mass fraction of the fluorine-based surfactant being 0.5% of the silane coupling agent.

[0118] The following is a comparison table of the physical properties of the 7628 electronic fabric manufactured using the high-opening electronic yarn provided in the embodiment of this application, the 7628 electronic fabric manufactured using the G37 electronic yarn obtained using the above manufacturing flow, and the 7628 electronic fabric manufactured using the G75 electronic yarn.

[0119] [Table 2]

[0120] It has been found that the 7628 electronic fabric woven using the high-opening electronic yarn provided in the embodiments of this application exhibits significantly lower air permeability compared to the 7628 electronic fabric of the prior art, when the basis weight of the electronic fabric remains unchanged. Furthermore, the electronic fabric produced using the manufacturing method of the 7628 electronic fabric provided in the embodiments of this application has a flatter surface, superior uniformity, and a lower surface thickness. In addition, the lower impregnation of the electronic fabric produced using the manufacturing method of the 7628 electronic fabric provided in the embodiments of this application indicates that the 7628 electronic fabric provided in the embodiments of this application not only has excellent permeability and compatibility with surface treatment agents, but also exhibits better bonding with resins.

[0121] As described above, the method for manufacturing the 7628 electronic fabric woven using the high-opening electronic yarn provided in the embodiment of the present application rationally controls the temperature, humidity and degree of twist when twisting the high-opening raw yarn to form the high-opening electronic yarn. As a result, the twisted high-opening electronic yarn has good cohesiveness, reduces the generation of fuzz on the yarn surface, and the woven electronic fabric has a smooth and clean surface. By rationally controlling the winding tension after sizing and the winding tension after warp alignment, the weaving shaft has good rigidity, ensures good flatness of the fabric surface, and improves the uniformity of the fabric surface tension. By employing a pre-treatment for desizing the electronic fabric by passing it through multiple high-temperature furnace regions at a constant linear velocity, a three-stage temperature-controlled desizing heat treatment, and two high-temperature desizing treatments, the remaining adhesive on the electronic fabric is largely burned off, improving the penetration and compatibility between the surface treatment agent and the electronic fabric. Furthermore, the three-stage temperature-controlled method effectively protects the smoothness and cleanliness of the fabric surface, improving the quality of the fabric surface, and is also advantageous for removing adhesive from the electronic fabric.

[0122] Furthermore, by employing the surface treatment and fiber opening treatment methods provided in the embodiments of this application and immersing the 7628 electronic fabric in a silane coupling agent, the bond between the electronic fabric and the resin is strengthened during subsequent processing. Additionally, when using the silane coupling agent, the acidity is adjusted with glacial acetic acid to facilitate hydrolysis. The highly open electronic threads in the electronic fabric are then sufficiently opened by fiber opening, making full contact with the surface treatment agent. This reduces the thickness of the fabric surface, and excess surface treatment agent is removed by a high-pressure water stream, effectively improving the uniformity of the bond between the electronic fabric and the subsequent resin.

[0123] In the fiber opening process, the embodiment of the present invention ensures that the highly open electronic yarns open sufficiently and become flat by controlling the pressure of the high-pressure water jet, while avoiding excessive pressure that would cause the highly open electronic yarns to fray and even break. Here, in the embodiment of the present invention, controlling the conductivity of the water flow to <10 μs / cm reduces impurities on the fabric surface and improves the bonding properties of the electronic fabric.

[0124] In the embodiments described above, each embodiment has its own emphasis, and for parts not detailed in one embodiment, you can refer to the relevant descriptions in other embodiments.

[0125] In some embodiments provided herein, it should be understood that the disclosed technical content may be implemented in other ways.

[0126] The above description is merely a preferred embodiment of the present application, and it should be noted that those skilled in the art can make several improvements and modifications without departing from the principles of the present application, and these improvements and modifications should also be considered within the scope of protection of the present application. [Industrial applicability]

[0127] The solution provided in the embodiment of the present application is applicable to the textile field. In the embodiment of the present application, yarn arrangement, sizing, winding, warp alignment, and winding operations are sequentially performed on a high-opening electronic yarn to obtain a weaving shaft, where the linear density range of the high-opening electronic yarn is 72 to 95 tex. The weaving shaft is woven using a loom in a plain weave structure to obtain an intermediate fabric. The intermediate fabric is sequentially subjected to desizing pretreatment, desizing heat treatment, surface chemical treatment, and fiber opening treatment to obtain a 7628 electronic fabric. The warp density range of the 7628 electronic fabric is 30.5 to 43.0 ends / inch, the weft density range is 25.4 to 31.0 ends / inch, and the basis weight range of the electronic fabric is 207 to 213 g / m². 2 By adopting this method, we achieve the technical benefit of improving the production efficiency and performance of the 7628 electronic fabric.

Claims

1. A step of obtaining a woven shaft by sequentially performing yarn arrangement, sizing, winding, warp alignment, and winding operations on a highly open electronic yarn, wherein the linear density range of the highly open electronic yarn is 72 to 95 tex, The steps include: weaving the aforementioned woven shafts in a plain weave structure using a loom to obtain an intermediate fabric; The step of obtaining 7628 electronic fabric is to sequentially perform a desizing pretreatment, desizing heat treatment, surface chemical treatment, and fiber opening treatment on the aforementioned intermediate fabric, wherein the warp density range of the 7628 electronic fabric is 30.5 to 43.0 ends / inch, the weft density range of the 7628 electronic fabric is 25.4 to 31.0 ends / inch, and the basis weight range of the 7628 electronic fabric is 207 to 213 g / m². ２ The step includes the step that the width range of the yarn in the warp and weft directions of the 7628 electronic fabric is 600 to 750 μm. A method for manufacturing electronic fabric.

2. The method for manufacturing the electronic fabric involves sequentially performing yarn arrangement, sizing, winding, warp alignment, and winding operations on the highly open electronic yarn to obtain a weaving axis, and before the above step, the manufacturing method of the electronic fabric is as follows: A step of performing a twisting treatment on a highly open electronic yarn to obtain the highly open electronic yarn, further comprising the step of the twisting value range of the highly open electronic yarn obtained after the twisting treatment being 15 to 30 twists. A method for manufacturing electronic cloth according to claim 1.

3. The step of performing a twisting treatment on the aforementioned high-opening electronic yarn to obtain the aforementioned high-opening electronic yarn is, A step of performing a twisting treatment on the high-opening electronic yarn in a first predetermined temperature range and a predetermined humidity range, wherein the first predetermined temperature range is 25 to 35°C and the predetermined humidity range is 40 to 50%. A method for manufacturing electronic cloth according to claim 2.

4. After applying a sizing agent to the aforementioned high-opening electronic yarn, the winding tension range of the high-opening electronic yarn is 850 to 950 N. After performing a warp alignment operation on the aforementioned high-opening electronic yarn, the winding tension range of the aforementioned high-opening electronic yarn is 4000 to 5000 N. A method for manufacturing electronic cloth according to claim 1.

5. The step of performing a pre-treatment to remove starch from the intermediate dough is, A step of completing a pre-treatment for removing starch from the intermediate dough by passing it through a first high-temperature furnace region and a second high-temperature furnace region at a predetermined linear velocity, wherein the range of the predetermined linear velocity is 95 to 105 m / min, the range of the temperature in the first high-temperature furnace region is 420 to 440°C, and the range of the temperature in the second high-temperature furnace region is 440 to 460°C. A method for manufacturing electronic cloth according to claim 1.

6. The step of performing a heat treatment to remove starch from the intermediate dough is, A step of performing a first heat retention treatment on the intermediate fabric that has undergone a pre-treatment for starch removal in a first heat retention temperature range, wherein the range of values ​​for the first heat retention temperature range is 150 to 200°C, and the range of values ​​for the heat retention time of the first heat retention treatment is 2 to 3 hours. A step of performing a second heat retention treatment on the intermediate fabric that has undergone the first heat retention treatment in a second heat retention temperature zone, wherein the value range of the second heat retention temperature zone is 220 to 260°C, and the value range of the heat retention time for the second heat retention treatment is 5 to 6 hours. The process includes a step of performing a third heat retention treatment on the intermediate fabric that has undergone the second heat retention treatment in a third heat retention temperature range, wherein the range of values ​​for the third heat retention temperature range is 390 to 410°C, and the range of values ​​for the heat retention time of the third heat retention treatment is 50 to 53 hours. A method for manufacturing electronic cloth according to claim 1.

7. The step of performing a surface chemical treatment on the intermediate fabric is, A step to complete a surface chemical treatment of the intermediate dough, which has undergone the heat treatment to remove starch, by immersing it in a pre-prepared silane coupling agent, wherein the solid content range of the pre-prepared silane coupling agent is 0.10 to 0.45%, and the pH range of the pre-prepared silane coupling agent in the process of performing the surface chemical treatment on the intermediate dough is 2.0 to 5.

0. A method for manufacturing electronic cloth according to claim 1.

8. The step of performing a fiber-opening treatment on the intermediate fabric is, A step to obtain the 7628 electronic fabric by passing a high-pressure water jet through the intermediate fabric after the surface chemical treatment has been completed, thereby completing the fiber opening treatment for the intermediate fabric, wherein the range of pressure of the high-pressure water jet is 0.5 to 4.0 MPa, the range of hole diameter of the nozzle of the high-pressure water jet is 0.1 to 0.2 mm, and the water conductivity of the high-pressure water jet is 0.001 S / m or less. A method for manufacturing electronic cloth according to claim 1.

9. A 7628 electronic fabric obtained by weaving together multiple sets of highly open electronic yarns arranged in the warp direction and multiple sets of the same highly open electronic yarns arranged in the weft direction, wherein the warp density of the 7628 electronic fabric is in the range of 30.5 to 43.0 ends / inch, the weft density of the 7628 electronic fabric is in the range of 25.4 to 31.0 ends / inch, and the basis weight of the 7628 electronic fabric is in the range of 207 to 213 g / m². ２ The thickness range of the electronic fabric is 165 to 180 μm, and the width range of the yarn in the warp and weft directions of the 7628 electronic fabric is 600 to 750 μm. 7628 electronic cloth.

10. The aforementioned 7628 electronic fabric is obtained by weaving together multiple sets of the high-opening electronic yarns arranged in the warp direction and multiple sets of the high-opening electronic yarns arranged in the weft direction, crossing them according to a plain weave structure. The 7628 electronic fabric according to claim 9.

11. The linear density range of the aforementioned high-opening electronic yarn is 72 to 95 tex, and the twist count of the aforementioned high-opening electronic yarn is 15 to 30 twists. The 7628 electronic fabric according to claim 9.

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