CN117306058A

CN117306058A - Electronic cloth preparation method and 7628 electronic cloth

Info

Publication number: CN117306058A
Application number: CN202311221477.8A
Authority: CN
Inventors: 张国锋; 杨国明; 谢子樯; 庄津津; 冯毅; 赵一峰
Original assignee: Jushi Group Co Ltd
Current assignee: Jushi Group Co Ltd
Priority date: 2023-09-20
Filing date: 2023-09-20
Publication date: 2023-12-29

Abstract

The application discloses an electronic cloth preparation method and 7628 electronic cloth. Wherein the method comprises the following steps: sequentially performing yarn discharging operation, sizing operation, winding operation, doubling operation and winding operation on the high-open-fiber electronic yarn to obtain a beam, wherein the linear density range of the high-open-fiber electronic yarn is 72-95tex; weaving the loom beam with a plain weave structure by adopting a loom to obtain middle cloth; the intermediate fabric is sequentially subjected to pre-desizing treatment, thermal desizing treatment, surface chemical treatment and fiber opening treatment to obtain 7628 electronic fabric, wherein the warp-wise density value range of the 7628 electronic fabric is 30.5-43.0ends/inch, and the weft-wise density value range of the 7628 electronic fabric is 25.4-31.0ends/inch. The technical problems that the weaving efficiency of 7628 electronic cloth is low and the performance of the produced 7628 electronic cloth is poor due to the fact that the production cost cannot be reduced under the condition that the quality of the 7628 electronic cloth meets the requirement in the prior art are solved.

Description

Electronic cloth preparation method and 7628 electronic cloth

Technical Field

The application relates to the textile field, in particular to an electronic cloth preparation method and 7628 electronic cloth.

Background

The 7628 electronic cloth in the prior art is usually woven by using G75 electronic yarn or G37 electronic yarn, but the 7628 electronic cloth woven by using G75 electronic yarn has higher production cost and lower weaving efficiency. However, the warp and weft density of 7628 electronic cloth woven by adopting the G37 electronic yarn is too low, so that the obtained 7628 electronic cloth is easy to deform and has poor dimensional stability. Meanwhile, 7628 electronic cloth woven by adopting G37 electronic yarns also has the problems that the warp and weft yarns are arranged too sparsely, gaps between two adjacent yarns are large, and physical properties such as ventilation of the electronic cloth exceed standards.

In view of the above problems, no effective solution has been proposed at present.

Disclosure of Invention

The application provides an electronic cloth preparation method and 7628 electronic cloth, which at least solve the technical problems that the weaving efficiency of 7628 electronic cloth is low and the performance of the produced 7628 electronic cloth is poor because the production cost cannot be reduced under the condition that the quality of the 7628 electronic cloth meets the requirement in the prior art.

According to one aspect of the present application, there is provided an electronic cloth manufacturing method, including: sequentially performing yarn discharging operation, sizing operation, winding operation, doubling operation and winding operation on the high-open-fiber electronic yarn to obtain a beam, wherein the linear density range of the high-open-fiber electronic yarn is 72-95tex; weaving the loom beam with a plain weave structure by adopting a loom to obtain middle cloth; the intermediate fabric is sequentially subjected to pre-desizing treatment, thermal desizing treatment, surface chemical treatment and fiber opening treatment to obtain 7628 electronic fabric, wherein the warp-wise density value range of the 7628 electronic fabric is 30.5-43.0ends/inch, the weft-wise density value range of the 7628 electronic fabric is 25.4-31.0ends/inch, and the basis weight value range of the electronic fabric is 207-213 g/square meter.

Optionally, before the step of sequentially performing yarn discharging operation, sizing operation, winding operation, operation and winding operation on the high-open-fiber electronic yarn to obtain the beam, the electronic cloth preparation method further comprises the following steps: twisting the high-open-fiber electronic raw yarn to obtain the high-open-fiber electronic yarn, wherein the twist value range of the high-open-fiber electronic yarn obtained after the twisting is 15-30 twists, and the linear density range of the high-open-fiber electronic raw yarn is 72-95tex.

Optionally, the step of twisting the high open fiber electronic raw yarn to obtain the high open fiber electronic yarn includes: twisting the high-open-fiber electronic raw yarn in a first preset temperature interval and a preset humidity interval, wherein the first preset temperature interval is 25-35 ℃, and the preset humidity interval is 40-50%.

Optionally, after the sizing operation is performed on the high-open-fiber electronic yarn, the winding tension of the high-open-fiber electronic yarn is in a value range of 850-950N; after the high-opening-fiber electronic yarn is subjected to the operation, the coiling tension of the high-opening-fiber electronic yarn is 4000-5000N.

Optionally, the step of pre-desizing the intermediate fabric includes: the intermediate cloth passes through a first high Wen Luou and a second high-temperature furnace area at a preset linear speed, so that the pre-desizing treatment of the intermediate cloth is completed, wherein the preset linear speed is 95-105m/min, the temperature of the first high-temperature furnace area is 420-440 ℃, and the temperature of the second high-temperature furnace area is 440-460 ℃.

Optionally, the step of performing thermal desizing treatment on the intermediate fabric comprises the following steps: performing first heat preservation treatment on the intermediate cloth subjected to the pre-desizing treatment in a first heat preservation temperature interval, wherein the value range of the first heat preservation temperature interval is 150-200 ℃, and the value range of the heat preservation time of the first heat preservation treatment is 2-3 hours; performing second heat preservation treatment on the intermediate cloth subjected to the first heat preservation treatment in a second heat preservation temperature interval, wherein the value range of the second heat preservation temperature interval is 220-260 ℃, and the value range of the heat preservation time of the second heat preservation treatment is 5-6 hours; and under a third heat preservation temperature interval, performing third heat preservation treatment on the intermediate cloth subjected to the second heat preservation treatment, wherein the value range of the third heat preservation temperature interval is 390-410 ℃, and the value range of the heat preservation time of the third heat preservation treatment is 50-53 hours.

Optionally, the step of performing surface chemical treatment on the intermediate fabric comprises: and immersing the intermediate cloth subjected to the thermal desizing treatment in a prefabricated silane coupling agent to finish the surface chemical treatment of the intermediate cloth, wherein the solid content of the prefabricated silane coupling agent ranges from 0.10% to 0.45%, and the pH value of the prefabricated silane coupling agent ranges from 2.0 to 5.0 in the process of performing the surface chemical treatment on the intermediate cloth.

Optionally, the step of performing the fiber opening treatment on the intermediate fabric includes: and (3) passing the intermediate cloth subjected to surface chemical treatment through high-pressure water jet flow, so as to finish the fiber opening treatment of the intermediate cloth, and obtaining 7628 electronic cloth, wherein the pressure value range of the high-pressure water jet flow is 0.5-4.0MPa, the aperture value range of a nozzle of the high-pressure water jet flow is 0.1-0.2mm, and the water flow conductivity of the high-pressure water jet flow is not more than 10 mu s/cm.

According to another aspect of the present application, there is further provided 7628 electronic cloth, wherein the 7628 electronic cloth is obtained by interweaving a plurality of groups of high-open-fiber electronic yarns arranged in the warp direction and a plurality of groups of high-open-fiber electronic yarns arranged in the weft direction, the warp density of the electronic cloth ranges from 30.5 to 43.0ends/inch, the weft density of the electronic cloth ranges from 25.4 to 31.0ends/inch, the basis weight of the electronic cloth ranges from 207 to 213 g/square meter, and the thickness of the electronic cloth ranges from 165 to 180 μm.

Optionally, the 7628 electronic cloth is obtained by interweaving a plurality of groups of high-open-fiber electronic yarns arranged in the warp direction and a plurality of groups of high-open-fiber electronic yarns arranged in the weft direction according to a plain weave structure.

Optionally, the linear density of the high-open-fiber electronic yarn ranges from 72 tex to 95tex, and the twist of the high-open-fiber electronic yarn ranges from 15 tex to 30 tex.

In the application, the weaving shaft is obtained by sequentially carrying out yarn discharging operation, sizing operation, winding operation, operation and winding operation on the high-open-fiber electronic yarn, wherein the linear density range of the high-open-fiber electronic yarn is 72-95tex; weaving the loom beam with a plain weave structure by adopting a loom to obtain middle cloth; the method comprises the steps of sequentially performing pre-desizing treatment, thermal desizing treatment, surface chemical treatment and fiber opening treatment on the intermediate fabric to obtain 7628 electronic fabric, wherein the warp-wise density value range of the 7628 electronic fabric is 30.5-43.0ends/inch, the weft-wise density value range of the 7628 electronic fabric is 25.4-31.0ends/inch, the basis weight value range of the electronic fabric is 207-213 g/square meter, the 7628 electronic fabric is prepared by adopting high-open-fiber electronic yarns, the purpose of reducing the production cost of the 7628 electronic fabric under the condition that the quality of the 7628 electronic fabric meets the requirement is achieved, the technical effects of improving the production efficiency of the 7628 electronic fabric and the performance of the 7628 electronic fabric are achieved, the warp-weft width of the prepared electronic fabric is obviously improved, the air permeability and the impregnation performance are better, and the technical problems that the weaving efficiency of the 7628 electronic fabric is lower and the performance of the 7628 electronic fabric is poorer due to the fact that the quality of the 7628 electronic fabric cannot meet the requirement are solved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:

fig. 1 is a schematic flow chart of a method for preparing electronic cloth according to an embodiment of the present application;

FIG. 2 is a schematic structural diagram of 7628 electronic cloth according to an embodiment of the present application;

FIG. 3 is a schematic view of a 7628 electronic cloth woven with G75 electronic yarns according to the prior art;

fig. 4 is a schematic structural view of 7628 electronic cloth woven by using G37 electronic yarn according to the prior art.

Detailed Description

In order to make the present application solution better understood by those skilled in the art, the following description will be made in detail and with reference to the accompanying drawings in the embodiments of the present application, it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, shall fall within the scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In addition, in the embodiments provided in the present application, it should be noted that, for the azimuth words, such as terms of "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the indicated azimuth and positional relationships are based on the azimuth or positional relationships shown in the drawings, only for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the indicated apparatus or element must have a specific azimuth, be configured and operated in a specific azimuth, and should not be construed to limit the specific protection scope of the present invention.

The electronic cloth is a generic term for electronic grade glass fiber cloth used in the electronics industry. The main application field of the electronic cloth is the manufacture of copper-clad plates in the electronic industry. 7628 electronic cloth in the existing electronic cloth is one type of electronic cloth with a wider application range.

Currently, 7628 electronic cloths in the prior art are mostly woven by using G75 electronic yarns or G37 electronic yarns. Wherein, the warp and weft density of 7628 electronic cloth woven by G75 electronic yarn is 44X 33ends/inch, the basis weight is 210G/square meter, and the product quality can meet the actual requirements. However, when the G75 electronic yarn is used to weave 7628 electronic cloth, the production cost of the electronic cloth is high, resulting in low weaving efficiency and low profit. And 7628 electronic cloth woven by adopting G37 electronic yarn, wherein the warp and weft density is 22 multiplied by 17.1ends/inch. Although the production efficiency is improved to a certain extent, 7628 electronic cloth woven by adopting G37 electronic yarns is easy to deform and has poor dimensional stability; meanwhile, as the warp and weft yarns are arranged too sparsely, gaps between two adjacent yarns are larger, physical properties such as ventilation of the electronic cloth are out of standard, and the use requirement is difficult to meet.

In order to solve the above-mentioned problems, related solutions are provided in the embodiments of the present application, and the following detailed description is provided.

According to the embodiments of the present application, there is provided a method embodiment of a method for manufacturing an electronic cloth, it should be noted that the steps illustrated in the flowchart of the drawings may be performed in a computer system such as a set of computer executable instructions, and that although a logical order is illustrated in the flowchart, in some cases, the steps illustrated or described may be performed in an order different from that herein.

In the above operating environment, the embodiment of the present application provides a method for preparing an electronic fabric, as shown in fig. 1, including the following steps:

step S102, sequentially performing yarn discharging operation, sizing operation, winding operation and reeling operation on the high-open-fiber electronic yarn to obtain a loom beam, wherein the linear density range of the high-open-fiber electronic yarn is 72-95tex;

in the technical scheme provided in step S102, before the step of sequentially performing the yarn discharging operation, the sizing operation, the winding operation, the operation and the winding operation on the high-open-fiber electronic yarn to obtain the beam, the electronic cloth preparation method further includes: twisting the high-open-fiber electronic raw yarn to obtain the high-open-fiber electronic yarn, wherein the twist value range of the high-open-fiber electronic yarn obtained after the twisting is 15-30 twists, and the linear density range of the high-open-fiber electronic raw yarn is 72-95tex.

Specifically, the twist of the high-open-fiber electronic yarn obtained by twisting the high-open-fiber electronic raw yarn in the present embodiment may be any value in the above-described range of twist values, for example, 15 twist, 30 twist or 20 twist. Likewise, the linear densities of the high open electronic yarn and the high open electronic yarn base yarn may be any of the values in the above linear density ranges, such as 72tex,95tex, or 80tex.

In some embodiments of the present application, the step of twisting the high open fiber electronic base yarn to obtain the high open fiber electronic yarn comprises: twisting the high-open-fiber electronic raw yarn in a first preset temperature interval and a preset humidity interval, wherein the first preset temperature interval is 25-35 ℃, and the preset humidity interval is 40-50%.

Specifically, in performing the twisting process, the ambient temperature at the time of the twisting process may be any value in the above-mentioned first preset temperature interval, and may be, for example, 25 ℃,35 ℃, or 30 ℃. The ambient humidity may be any value in the above-mentioned preset humidity interval, for example, may be 40%,50% or 45%.

As an alternative embodiment, after the sizing operation is performed on the high-opening electronic yarn, the winding tension of the high-opening electronic yarn may have a value ranging from 850 to 950N, for example, 850N,950N or 900N, as long as any value is within the range of 850 to 950N. After the high-opening-fiber electronic yarn is subjected to the operation, the winding tension of the high-opening-fiber electronic yarn can be 4000-5000N, such as 4000N,5000N or 4500N, and any value can be used in the range of 4000-5000N.

Step S104, weaving a loom beam with a plain weave structure by adopting a loom to obtain intermediate cloth;

in the solution provided in step S104, the loom used may be a jet loom. In step S104, the step of weaving the loom beam in a plain weave structure by using a loom is a step of performing a beating-up process on the loom beam by using high-open-fiber electronic yarns.

Step S106, sequentially performing pre-desizing treatment, thermal desizing treatment, surface chemical treatment and fiber opening treatment on the intermediate cloth to obtain 7628 electronic cloth; the warp-wise density value range of the 7628 electronic cloth is 30.5-43.0ends/inch, the weft-wise density value range of the 7628 electronic cloth is 25.4-31.0ends/inch, and the basis weight value range of the 7628 electronic cloth is 207-213 g/square meter.

In the technical scheme provided in step S106, the step of performing the pre-desizing treatment on the intermediate fabric includes: the intermediate cloth passes through a first high Wen Luou and a second high-temperature furnace area at a preset linear speed, so that the pre-desizing treatment of the intermediate cloth is completed, wherein the preset linear speed is 95-105m/min, the temperature of the first high-temperature furnace area is 420-440 ℃, and the temperature of the second high-temperature furnace area is 440-460 ℃.

Specifically, in the pre-desizing treatment, the linear velocity of the intermediate fabric may be any value in the preset linear velocity range, for example, 85m/min,105m/min or 95m/min. The temperatures of the first high Wen Luou and second high temperature furnace regions can likewise be any of the corresponding temperature ranges described above, for example, the temperature of the first high temperature furnace region can be 420 ℃,440 ℃, or 430 ℃, and the temperature of the second high temperature furnace region can be 440 ℃,460 ℃, or 450 ℃.

As an alternative embodiment, the step of performing the thermal desizing treatment on the intermediate fabric comprises: under a first heat preservation temperature interval, performing first heat preservation treatment on the intermediate cloth subjected to the pre-desizing treatment, wherein the value range of the first heat preservation temperature interval is 150-200 ℃, the heat preservation duration of the first heat preservation treatment is 2-3 hours, for example, the first heat preservation temperature can be 150 ℃,200 ℃ or 180 ℃ as long as any value in the range of 150-200 ℃, and the heat preservation duration can be 2 hours, 3 hours or 2.5 hours as long as any value in the range of 2-3 hours; the intermediate cloth subjected to the first heat preservation treatment is subjected to the second heat preservation treatment in a second heat preservation temperature interval, wherein the value range of the second heat preservation temperature interval is 220-260 ℃, the value range of the heat preservation duration of the second heat preservation treatment is 5-6 hours, for example, the second heat preservation temperature can be 220 ℃,260 ℃ or 250 ℃, the second heat preservation duration can be 5 hours, 6 hours or 5.5 hours as long as any value in the range of 5-6 hours is available; and under a third heat preservation temperature interval, performing third heat preservation treatment on the intermediate cloth subjected to the second heat preservation treatment, wherein the value range of the third heat preservation temperature interval is 390-410 ℃, the value range of the heat preservation duration of the third heat preservation treatment is 50-53 hours, for example, the third heat preservation temperature can be 390 ℃,410 ℃ or 400 ℃ as long as any value in the range of 390-410 ℃, and the heat preservation duration of the third heat preservation treatment can be 50 hours, 53 hours or 52 hours as long as any value in the range of 50-53 hours.

In some embodiments of the present application, the step of surface-chemically treating the intermediate fabric comprises: and immersing the intermediate cloth subjected to the thermal desizing treatment in a prefabricated silane coupling agent to finish the surface chemical treatment of the intermediate cloth, wherein the solid content of the prefabricated silane coupling agent ranges from 0.10% to 0.45%, and the pH value of the prefabricated silane coupling agent ranges from 2.0 to 5.0 in the process of performing the surface chemical treatment on the intermediate cloth.

Specifically, in the case of surface chemical treatment of the intermediate cloth, the solid content of the pre-made silane coupling agent may be 0.10%,0.27%, 0.3%, 0.35%, 0.40% or 0.45%, as long as it is any value within the range of 0.10% -0.45%. And in the course of the surface chemical treatment, the pH of the preformed silane coupling agent may be controlled to be in the range of 2.0 to 5.0 by adding an acidic reagent such as glacial acetic acid to the preformed silane coupling agent, for example, the pH may be 2.0,2.5,3.0,4.0,4.5 or 5, as long as it is any value in the range of 2.0 to 5.0.

As an alternative embodiment, the step of performing the fiber opening process on the intermediate fabric includes: and (3) passing the intermediate cloth subjected to surface chemical treatment through high-pressure water jet flow, so as to finish the fiber opening treatment of the intermediate cloth, and obtaining 7628 electronic cloth, wherein the pressure value range of the high-pressure water jet flow is 0.5-4.0MPa, the aperture value range of a nozzle of the high-pressure water jet flow is 0.1-0.2mm, and the water flow conductivity of the high-pressure water jet flow is not more than 10 mu s/cm.

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

Through the steps, the 7628 electronic cloth is woven by taking the high-open-fiber electronic yarn as the raw material, so that the warp and weft density during weaving is effectively reduced while the basis weight of the 7628 electronic cloth meets the requirements, the weaving efficiency is improved, and the market and the use requirements can be better met.

In addition, compared with 7628 electronic cloth woven by conventional G75, 7628 electronic cloth woven by high-open-fiber electronic yarns has the advantages that the warp and weft density is reduced, so that the yarn width can be further increased, gaps between adjacent yarns can be made up, the thickness of the electronic cloth is reduced, and the physical properties of the electronic cloth are improved.

In the preparation method of the electronic cloth, the temperature and humidity and the twist degree of the high-open-fiber raw yarn twisted into the high-open-fiber electronic yarn are controlled within the preset range, so that the twisted high-open-fiber electronic yarn has good bundling property, the generation of hairiness on the surface of the yarn is reduced, and the woven electronic cloth has a smooth and clean surface. By controlling the winding tension after sizing and the winding tension after doubling within a preset range, the loom beam has good hardness, good flatness of the cloth cover is ensured, and the uniformity of the cloth cover tension is improved. By adopting the pre-desizing treatment and the thermal desizing treatment in a specific mode, the slurry residue of the electronic cloth can be burnt off to a great extent, and the permeability and the compatibility between the surface treating agent and the electronic cloth are improved. By adopting the surface treatment and the fiber opening treatment, the high-fiber-opening electronic yarns in the electronic cloth are fully opened through fiber opening and fully contacted with the surface treatment agent, the thickness of the cloth surface is reduced, the superfluous surface treatment agent can be taken away by high-pressure water flow, and the subsequent uniformity of the electronic cloth combined with resin is improved.

There is also provided, in accordance with an embodiment of the present application, 7628 an electronic cloth. 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, wherein the warp density of the 7628 electronic cloth is 30.5-43.0ends/inch, for example, 30.5ends/inch,43.0ends/inch or 40ends/inch, and any value within the range of 30.5-43.0ends/inch can be used; the weft density of 7628 electronic cloth is 25.4-31.0ends/inch, for example, can be 25.4ends/inch,31.0ends/inch or 28ends/inch, as long as any value is in the range of 25.4-31.0 ends/inch; the 7628 electronic cloth has a basis weight of 207-213 g/square meter, for example, 207 g/square meter, 213 g/square meter or 210 g/square meter, and any value within the range of 207-213 g/square meter; the thickness of the electronic cloth may be 165 to 180. Mu.m, for example, 165 μm,180 μm or 170. Mu.m, and any value may be used as long as it is 165 to 180. Mu.m.

As an alternative embodiment, as shown in fig. 2, the 7628 electronic fabric is formed by interweaving a plurality of groups of high open fiber electronic yarns arranged in the warp direction and a plurality of groups of high open fiber electronic yarns arranged in the weft direction according to a plain weave structure. In fig. 2, 1 represents 7628 an electronic cloth, 2 represents warp yarn, and 3 represents weft yarn.

In some embodiments of the present application, the high open fiber electronic yarn has a linear density ranging from 72 to 95tex, for example, 72tex,95tex, or 90tex, as long as any value is within the range of 72 to 95 tex; the twist of the high-open-fiber electronic yarn is 15 to 30 twists, and may be 15 twists, 30 twists, or 20 twists, for example, as long as any value is within the range of 15 to 30 twists.

In some embodiments of the present application, 7628 electronic cloths may be provided with different dimensional specifications to meet different needs of users. For example, 7628 electronic cloths in a plain weave structure provided in embodiments of the present application, which are made by interlacing sets of warp and weft yarns, may have a variety of different gauge sizes:

example 1:7628 high open-fiber electronic yarn with a linear density of 92tex and a twist of 28 twists. The electronic cloth has a warp density of 31.5ends/inch, a weft density of 26.4ends/inch, a basis weight of 210 g/square meter and a thickness of 179 μm.

As an alternative embodiment, the preparation process of 7628 electronic cloth of example 1 above is as follows:

firstly, selecting high-open-fiber electronic raw yarn, and twisting the high-open-fiber electronic raw yarn on a twisting machine to obtain the high-open-fiber electronic yarn; controlling the temperature at 35 ℃ and the humidity at 40% when the high-opening electronic raw yarn is twisted;

Secondly, carrying out yarn discharging, sizing, winding and winding treatment on the high-open-fiber electronic yarn to obtain a beam, wherein the winding tension of the sized intermediate product is controlled to be 950N, and the winding tension of the sized intermediate product is controlled to be 4500N;

thirdly, sending the loom beam into an air jet loom to weave in a plain weave structure, and obtaining an intermediate fabric;

fourth, the intermediate cloth is sequentially subjected to pre-desizing treatment, thermal desizing treatment, surface chemical treatment and fiber opening treatment, and the first 7628 electronic cloth is prepared.

Specifically, the pre-desizing treatment process comprises the steps of pre-desizing treatment of the intermediate cloth at a certain linear speed through a plurality of high Wen Luou, wherein the linear speed of the pre-desizing treatment is 95m/min, the high-temperature furnace zone comprises a first furnace zone and a second furnace zone, the temperature of the first furnace zone is 440 ℃, and the temperature of the second furnace zone is 460 ℃. The thermal desizing treatment comprises three-section temperature preservation of the intermediate cloth after the pre-desizing treatment, wherein the first-section temperature preservation is 200 ℃, the first-section temperature preservation time is 3H, the second-section temperature preservation is 260 ℃, the second-section temperature preservation time is 6H, the third-section temperature preservation is 410 ℃, and the third-section temperature preservation time is 53H. The surface chemical treatment process includes soaking the intermediate cloth with silane coupling agent in the solid content of 0.10-0.45% and adding glacial acetic acid to regulate pH value to 2.0-5.0. The fiber opening treatment process comprises the step of carrying out fiber opening treatment on the intermediate cloth subjected to surface chemical treatment by using a high-pressure water jet of 4.0MPa, wherein the aperture of a nozzle is 0.2mm, and the conductivity of water flow is less than 10 mu s/cm.

Example 2:7628 high open-fiber electronic yarn with a linear density of 85tex and a twist of 26 twists. The electronic cloth has a warp density of 35.6ends/inch, a weft density of 27.2ends/inch, a basis weight of 210 g/square meter and a thickness of 177 μm.

As an alternative embodiment, the preparation process of 7628 electronic cloth of example 2 above is as follows:

firstly, selecting high-open-fiber electronic raw yarn, and twisting the high-open-fiber electronic raw yarn on a twisting machine to obtain the high-open-fiber electronic yarn; controlling the temperature at 32 ℃ and the humidity at 43% when the high-opening-fiber electronic raw yarn is twisted;

secondly, carrying out yarn discharging, sizing, winding and winding treatment on the high-open-fiber electronic yarn to obtain a beam, wherein the winding tension of the sized intermediate product is controlled to be 920N, and the winding tension of the sized intermediate product is controlled to be 4350N;

fourth, the intermediate cloth is sequentially subjected to pre-desizing treatment, thermal desizing treatment, surface chemical treatment and fiber opening treatment to obtain the second 7628 electronic cloth.

Specifically, the pre-desizing treatment process comprises the steps of pre-desizing treatment of the intermediate cloth at a certain linear speed through a plurality of high Wen Luou, wherein the linear speed of the pre-desizing treatment is 95m/min, the high-temperature furnace zone comprises a first furnace zone and a second furnace zone, the temperature of the first furnace zone is 440 ℃, and the temperature of the second furnace zone is 460 ℃. The thermal desizing treatment comprises three-section temperature preservation of the intermediate cloth after the pre-desizing treatment, wherein the first-section temperature preservation is 185 ℃, the first-section temperature preservation time is 3H, the second-section temperature preservation is 245 ℃, the second-section temperature preservation time is 6H, the third-section temperature preservation is 410 ℃, and the third-section temperature preservation time is 53H. The surface chemical treatment process includes soaking the intermediate cloth with silane coupling agent in the solid content of 0.10-0.45% and adding glacial acetic acid to regulate pH value to 2.0-5.0. The fiber opening treatment process comprises the step of carrying out fiber opening treatment on the intermediate cloth subjected to surface chemical treatment by using a high-pressure water jet of 3.5MPa, wherein the aperture of a nozzle is 0.2mm, and the conductivity of water flow is less than 10 mu s/cm.

Example 3:7628 high open-fiber electronic yarn with a linear density of 85tex and a twist of 26 twists. The warp density of the electronic cloth is 36.3ends/inch, the weft density is 26.4ends/inch, the basis weight of the electronic cloth is 210 g/square meter, and the thickness is 177 mu m.

As an alternative embodiment, the preparation process of 7628 electronic cloth of example 3 above is as follows:

fourth, the intermediate cloth is sequentially subjected to pre-desizing treatment, thermal desizing treatment, surface chemical treatment and fiber opening treatment, and the third 7628 electronic cloth is prepared.

Example 4:7628 the high open-fiber electronic yarn has a linear density of 78tex and a twist of 25 twists. The warp density of the electronic cloth is 39.4ends/inch, the weft density is 29.0ends/inch, the basis weight of the electronic cloth is 210 g/square meter, and the thickness is 175 mu m.

As an alternative embodiment, the preparation process of 7628 electronic cloth of example 4 above is as follows:

firstly, selecting high-open-fiber electronic raw yarn, and twisting the high-open-fiber electronic raw yarn on a twisting machine to obtain the high-open-fiber electronic yarn; controlling the temperature at 28 ℃ and the humidity at 46% when the high-opening-fiber electronic raw yarn is twisted;

secondly, carrying out yarn discharging, sizing, winding and winding treatment on the high-open-fiber electronic yarn to obtain a beam, wherein the winding tension of the sized intermediate product is controlled to be 890N, and the winding tension of the sized intermediate product is controlled to be 4150N;

and fourthly, sequentially performing pre-desizing treatment, thermal desizing treatment, surface chemical treatment and fiber opening treatment on the intermediate fabric to obtain the fourth 7628 electronic fabric.

Specifically, the pre-desizing treatment process comprises the steps of pre-desizing treatment of the intermediate cloth at a certain linear speed through a plurality of high Wen Luou, wherein the linear speed of the pre-desizing treatment is 100m/min, the high-temperature furnace zone comprises a first furnace zone and a second furnace zone, the temperature of the first furnace zone is 430 ℃, and the temperature of the second furnace zone is 450 ℃. The thermal desizing treatment comprises three-section temperature insulation of the intermediate cloth after the pre-desizing treatment, wherein the first-section temperature insulation is 175 ℃, the first-section temperature insulation time is 2.5H, the second-section temperature insulation is 235 ℃, the second-section temperature insulation time is 5.5H, the third-section temperature insulation is 400 ℃, and the third-section temperature insulation time is 52H. The surface chemical treatment process includes soaking the intermediate cloth with silane coupling agent in the solid content of 0.10-0.45% and adding glacial acetic acid to regulate pH value to 2.0-5.0. The fiber opening treatment process comprises the step of carrying out fiber opening treatment on the intermediate cloth subjected to surface chemical treatment by using a high-pressure water jet of 1.7MPa, wherein the aperture of a nozzle is 0.2mm, and the conductivity of water flow is less than 10 mu s/cm.

Example 5:7628 the high open-fiber electronic yarn has a linear density of 78tex and a twist of 25 twists. The electronic cloth has a warp density of 40.4ends/inch, a weft density of 27.9ends/inch, a basis weight of 210 g/square meter and a thickness of 175 μm.

As an alternative embodiment, the preparation process of 7628 electronic cloth of the above example 5 is as follows:

fourth, the intermediate cloth is sequentially subjected to pre-desizing treatment, thermal desizing treatment, surface chemical treatment and fiber opening treatment, and the fifth 7628 electronic cloth is prepared.

Example 6:7628 high open-fiber electronic yarn with a linear density of 75tex and a twist of 22 twists. The warp density of the electronic cloth is 41.1ends/inch, the weft density is 30.0ends/inch, the basis weight of the electronic cloth is 210 g/square meter, and the thickness is 173 mu m.

As an alternative embodiment, the preparation process of 7628 electronic cloth of example 6 above is as follows:

firstly, selecting high-open-fiber electronic raw yarn, and twisting the high-open-fiber electronic raw yarn on a twisting machine to obtain the high-open-fiber electronic yarn; controlling the temperature at 26 ℃ and the humidity at 48% when the high-opening-fiber electronic raw yarn is twisted;

secondly, carrying out yarn discharging, sizing, winding and winding treatment on the high-open-fiber electronic yarn to obtain a beam, wherein the winding tension of the sized intermediate product is controlled to be 870N, and the winding tension of the sized intermediate product is controlled to be 4050N;

fourth, the intermediate cloth is sequentially subjected to pre-desizing treatment, thermal desizing treatment, surface chemical treatment and fiber opening treatment, and the sixth 7628 electronic cloth is prepared.

Specifically, the pre-desizing treatment process comprises the steps of pre-desizing treatment of the intermediate cloth at a certain linear speed through a plurality of high Wen Luou, wherein the linear speed of the pre-desizing treatment is 105m/min, the high-temperature furnace zone comprises a first furnace zone and a second furnace zone, the temperature of the first furnace zone is 420 ℃, and the temperature of the second furnace zone is 440 ℃. The thermal desizing treatment comprises three-section temperature preservation of the intermediate cloth after the pre-desizing treatment, wherein the first-section temperature preservation is 155 ℃, the first-section temperature preservation time is 2H, the second-section temperature preservation is 225 ℃, the second-section temperature preservation time is 5H, the third-section temperature preservation is 390 ℃, and the third-section temperature preservation time is 50H. The surface chemical treatment process includes soaking the intermediate cloth with silane coupling agent in the solid content of 0.10-0.45% and adding glacial acetic acid to regulate pH value to 2.0-5.0. The fiber opening treatment process comprises the step of carrying out fiber opening treatment on the intermediate cloth subjected to surface chemical treatment by using a high-pressure water jet of 1.0MPa, wherein the aperture of a nozzle is 0.2mm, and the conductivity of water flow is less than 10 mu s/cm.

Example 7:7628 high open-fiber electronic yarn with a linear density of 75tex and a twist of 22 twists. The warp density of the electronic cloth is 41.9ends/inch, the weft density is 29.2ends/inch, the basis weight of the electronic cloth is 210 g/square meter, and the thickness is 173 mu m.

As an alternative embodiment, the preparation process of 7628 electronic cloth of example 7 above is as follows:

fourth, the intermediate cloth is sequentially subjected to pre-desizing treatment, thermal desizing treatment, surface chemical treatment and fiber opening treatment, and the seventh 7628 electronic cloth is prepared.

Specifically, the pre-desizing treatment process comprises the steps of pre-desizing treatment of the intermediate cloth at a certain linear speed through a plurality of high Wen Luou, wherein the linear speed of the pre-desizing treatment is 105m/min, the high-temperature furnace zone comprises a first furnace zone and a second furnace zone, the temperature of the first furnace zone is 420 ℃, and the temperature of the second furnace zone is 440 ℃. The thermal desizing treatment comprises three-section temperature preservation of the intermediate cloth after the pre-desizing treatment, wherein the first-section temperature preservation is 155 ℃, the first-section temperature preservation time is 3H, the second-section temperature preservation is 225 ℃, the second-section temperature preservation time is 6H, the third-section temperature preservation is 390 ℃, and the third-section temperature preservation time is 50H. The surface chemical treatment process includes soaking the intermediate cloth with silane coupling agent in the solid content of 0.10-0.45% and adding glacial acetic acid to regulate pH value to 2.0-5.0. The fiber opening treatment process comprises the step of carrying out fiber opening treatment on the intermediate cloth subjected to surface chemical treatment by using a high-pressure water jet of 1.0MPa, wherein the aperture of a nozzle is 0.2mm, and the conductivity of water flow is less than 10 mu s/cm.

Example 8:7628 high open-fiber electronic yarn with a linear density of 73tex and a twist of 18 twists. The electronic cloth has a warp density of 42.4ends/inch, a weft density of 30.5ends/inch, a basis weight of 210 g/square meter and a thickness of 169 μm.

As an alternative embodiment, the preparation process of 7628 electronic cloth of the above example 8 is as follows:

firstly, selecting high-open-fiber electronic raw yarn, and twisting the high-open-fiber electronic raw yarn on a twisting machine to obtain the high-open-fiber electronic yarn; controlling the temperature at 25 ℃ and the humidity at 50% when the high-opening electronic raw yarn is twisted;

secondly, carrying out yarn discharging, sizing, winding and winding treatment on the high-open-fiber electronic yarn to obtain a beam, wherein the winding tension of the sized intermediate product is controlled to be 850N, and the winding tension of the sized intermediate product is controlled to be 4000N;

fourth, the intermediate cloth is sequentially subjected to pre-desizing treatment, thermal desizing treatment, surface chemical treatment and fiber opening treatment, and the eighth 7628 electronic cloth is prepared.

Specifically, the pre-desizing treatment process comprises the steps of pre-desizing treatment of the intermediate cloth at a certain linear speed through a plurality of high Wen Luou, wherein the linear speed of the pre-desizing treatment is 105m/min, the high-temperature furnace zone comprises a first furnace zone and a second furnace zone, the temperature of the first furnace zone is 420 ℃, and the temperature of the second furnace zone is 440 ℃. The thermal desizing treatment comprises three-section temperature preservation of the intermediate cloth after the pre-desizing treatment, wherein the first-section temperature preservation is 150 ℃, the first-section temperature preservation time is 2H, the second-section temperature preservation is 220 ℃, the second-section temperature preservation time is 5H, the third-section temperature preservation is 390 ℃, and the third-section temperature preservation time is 50H. The surface chemical treatment process includes soaking the intermediate cloth with silane coupling agent in the solid content of 0.10-0.45% and adding glacial acetic acid to regulate pH value to 2.0-5.0. The fiber opening treatment process comprises the step of carrying out fiber opening treatment on the intermediate cloth subjected to surface chemical treatment by using a high-pressure water jet of 0.5MPa, wherein the aperture of a nozzle is 0.2mm, and the conductivity of water flow is less than 10 mu s/cm.

Compared with the prior art, the 7628 electronic cloth and the preparation method provided by the embodiment of the application can effectively improve the production efficiency and reduce the production cost under the condition that the performance of the 7628 electronic cloth meets the requirements. Specifically, 7628 electronic fabric woven by adopting G37 electronic raw yarn in the prior art is shown in FIG. 3, the warp and weft density is 22 multiplied by 17.1ends/inch, and the basis weight is 210G/square meter. It can be seen that the 7628 electronic cloth woven by adopting the G37 electronic raw yarn has lower warp and weft density and high weaving efficiency, but the produced 7628 electronic cloth has poor dimensional stability, and meanwhile, the warp and weft yarns are arranged too sparsely, so that physical properties such as air permeability and the like of the electronic cloth are out of standard.

Compared with 7628 electronic cloth made of G75 yarn, 7628 electronic cloth woven of G75 yarn has a warp and weft density of 44×33ends/inch and a basis weight of 210G G/square meter as shown in fig. 4, and the 7628 electronic cloth made of G75 yarn has a quality satisfactory but has an excessively low production efficiency. The 7628 electronic cloth is woven by the high-open-fiber electronic yarn, so that the production efficiency can be effectively improved under the condition that the quality of the 7628 electronic cloth obtained by weaving meets the requirements.

In summary, the basic parameters of various electronic cloths provided in the embodiments of the present application and electronic cloths in the prior art are shown in the following table:

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From the table above, the high open-fiber electronic yarn provided by the embodiment of the application has the linear density larger than that of the G75 electronic yarn, and the yarn is thicker, easy to form, low in cost and more convenient to weave and use. In addition, original G75 electronic yarn is changed into high-open-fiber electronic yarn to weave 7628 electronic cloth in the embodiment of the application, so that the warp and weft density of weaving is reduced, the weaving efficiency is effectively improved, the dimensional stability of the cloth cover is improved, the weaving cost is reduced, and the requirement of increasing the number of the electronic cloth in the market is met. Moreover, as can be seen from the table above, when the 7628 electronic cloth is woven by adopting the preparation method of 7628 electronic cloth provided by the embodiment of the application, since the high-open-fiber electronic yarn can be fully opened, the warp width and weft width of the electronic yarn are further improved compared with those of the G75 electronic yarn, the warp width and weft width can reach 600-750 μm, the yarn gap increased due to the reduction of the warp and weft density of the electronic yarn can be compensated to a certain extent, and the whole thickness of the 7628 electronic cloth is reduced, so that the physical performance of the 7628 electronic cloth is improved.

In addition, compared with 7628 electronic cloth in the prior art, the general linear density center value of G75 electronic yarn in the market is 69tex, the linear density center value of G37 electronic yarn is 137tex, the linear density of high open-fiber electronic yarn is 72-95tex, and the linear density of G37 electronic yarn is close to 2 times of that of G75 electronic yarn, and the weaving efficiency can be improved by adopting G37 to weave 7628 electronic cloth, but the warp and weft density used for weaving is too low, the dimensional stability of the electronic cloth formed by weaving is poor, the electronic cloth is easy to deform, and the weaving quality of the electronic cloth is difficult to ensure. The method for weaving 7628 electronic cloth by using the high-open-fiber electronic yarn provided by the embodiment of the application can enable the warp and weft density of 7628 electronic cloth to be in a proper range, so that the weaving efficiency can be improved, and the dimensional stability and the weaving quality of the electronic cloth can be ensured.

As can be seen from the comparison results, compared with 7628 electronic cloth woven by the high-open-fiber electronic yarn and 7628 electronic cloth woven by the G75 electronic yarn and 7628 electronic cloth manufactured by the G37 electronic yarn in the prior art, the 7628 electronic cloth woven by the high-open-fiber electronic yarn has better performances in the aspects of the width of the warp and weft of the yarn, the density of the warp and weft of the electronic cloth, the strength of the warp and weft and the like, so that the production and weaving efficiency of the 7628 electronic cloth is improved, and meanwhile, the physical performance of the 7628 electronic cloth woven by the high-open-fiber electronic yarn is improved, and the 7628 electronic cloth woven by the high-open-fiber electronic yarn has better performances in the aspects of air permeability, impregnation and the like.

Specifically, the weaving process of the 7628 electronic cloth woven by adopting the G37 electronic yarn in the related art is as follows:

firstly, manufacturing G37 electronic raw yarn into warp yarn and weft yarn;

secondly, arranging through holes on the outer surfaces of the warp yarns and the weft yarns, and then conveying the warp yarns and the weft yarns into an air jet loom for weaving;

thirdly, sequentially feeding the cloth woven in the step S2 into a KH unit and a BH furnace for continuous heat treatment and batch heat treatment, wherein the furnace temperature is 300-400 ℃ and the heating time is 20-30 minutes when the cloth woven in the step S1 is subjected to continuous heat treatment by the KH unit, the organic matter residue in the cloth after treatment is 0.2-0.4%, the temperature is 380-410 ℃ when the cloth is treated by the BH furnace, the treatment time is 30-50 hours, and the organic matter residue in the cloth after treatment is 0.02-0.04%;

And fourthly, feeding the cloth subjected to the heat treatment into a silane coupling agent for surface chemical treatment to obtain the electronic cloth, wherein a fluorocarbon surfactant is required to be added into the silane coupling agent before the silane coupling agent is used for surface chemical treatment of the cloth, and the mass fraction of the fluorocarbon surfactant is 0.5% of that of the silane coupling agent.

The physical parameter comparison table of 7628 electronic cloth prepared by high-open-fiber electronic yarn, 7628 electronic cloth prepared by G37 electronic yarn prepared by the preparation process, and 7628 electronic cloth manufactured by G75 electronic yarn is as follows:

it can be seen that the 7628 electronic cloth woven by the high-open-fiber electronic yarn provided by the embodiment of the application has obviously reduced air permeability compared with 7628 electronic cloth in the prior art under the condition that the basis weight of the electronic cloth is kept unchanged, which indicates that the electronic cloth cover prepared by the 7628 electronic cloth preparation method provided by the embodiment of the application is smoother, good in uniformity and lower in cloth cover thickness. The 7628 electronic cloth prepared by the preparation method of the 7628 electronic cloth provided by the embodiment of the application has low impregnation, which shows that the 7628 electronic cloth provided by the embodiment of the application has good permeability and compatibility with the surface treatment agent and better bonding property with resin.

In summary, according to the preparation method of 7628 electronic fabric woven by high-open-fiber electronic yarn provided in the embodiment of the application, by reasonably controlling the temperature and humidity and the twist degree when the high-open-fiber raw yarn is twisted into the high-open-fiber electronic yarn, the twisted high-open-fiber electronic yarn has good bundling property, the generation of hairiness on the surface of the yarn is reduced, and the woven electronic fabric has a smooth and clean surface. By reasonably controlling the winding tension after sizing and the winding tension after doubling, the loom beam has good hardness, and meanwhile, good flatness of the cloth cover is ensured, and the uniformity of the cloth cover tension is improved. The electronic cloth is subjected to pre-desizing treatment and three-section temperature heat preservation thermal desizing treatment by a plurality of high Wen Luou at a certain linear speed, and is subjected to high Wen Tuojiang treatment twice, so that the slurry residue of the electronic cloth is burnt out to a great extent, the permeability and the compatibility between the surface treating agent and the electronic cloth are improved, and the three-section heat preservation form can effectively protect the finish of the cloth surface, improve the quality of the cloth surface and is also more beneficial to removing the slurry of the electronic cloth.

In addition, through adopting the surface treatment and the fiber opening treatment method provided by the embodiment of the application, 7628 electronic cloth is soaked by the silane coupling agent, the combination between the electronic cloth and the resin can be enhanced in the subsequent processing, and the acidity can be regulated by glacial acetic acid to be beneficial to hydrolysis when the silane coupling agent is used. The high-open-fiber electronic yarn in the electronic cloth is fully opened through open fiber and fully contacted with the surface treating agent, the thickness of the cloth surface is reduced, and the redundant surface treating agent can be taken away by high-pressure water flow, so that the subsequent uniformity of the electronic cloth combined with resin can be effectively improved.

In the fiber opening treatment process, the embodiment of the application ensures that the high-opening electronic yarn is fully opened and flattened by controlling the pressure of the high-pressure water jet, and avoids roughening and even breaking the high-opening electronic yarn by excessive pressure. In the embodiment of the application, the water current conductivity is controlled to be less than 10 mu s/cm, so that the impurities on the cloth surface can be reduced, and the binding property of the electronic cloth is improved.

In the foregoing embodiments of the present application, the descriptions of the embodiments are emphasized, and for a portion of this disclosure that is not described in detail in this embodiment, reference is made to the related descriptions of other embodiments.

In the several embodiments provided in the present application, it should be understood that the disclosed technology content may be implemented in other manners.

The foregoing is merely a preferred embodiment of the present application and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present application and are intended to be comprehended within the scope of the present application.

Claims

1. The preparation method of the electronic cloth is characterized by comprising the following steps of:

sequentially performing yarn discharging operation, sizing operation, winding operation, doubling operation and winding operation on the high-open-fiber electronic yarn to obtain a beam, wherein the linear density range of the high-open-fiber electronic yarn is 72-95tex;

Weaving the loom beam with a plain weave structure by adopting a loom to obtain middle cloth;

sequentially performing pre-desizing treatment, thermal desizing treatment, surface chemical treatment and fiber opening treatment on the intermediate cloth to obtain 7628 electronic cloth, wherein the warp-wise density value range of the 7628 electronic cloth is 30.5-43.0ends/inch, the weft-wise density value range of the 7628 electronic cloth is 25.4-31.0ends/inch, and the basis weight value range of the 7628 electronic cloth is 207-213 g/square meter.

2. The method according to claim 1, wherein before the step of sequentially performing the yarn discharging operation, the sizing operation, the winding operation, and the operation and the winding operation on the high-open-fiber electronic yarn to obtain the beam, the method further comprises:

twisting the high-open-fiber electronic raw yarn to obtain the high-open-fiber electronic yarn, wherein the twist value range of the high-open-fiber electronic yarn obtained after the twisting is 15-30 twists, and the linear density range of the high-open-fiber electronic raw yarn is 72-95tex.

3. The method of manufacturing an electronic cloth according to claim 2, wherein the step of twisting the high-open-fiber electronic raw yarn to obtain the high-open-fiber electronic yarn comprises:

Twisting the high-open-fiber electronic raw yarn in a first preset temperature interval and a preset humidity interval, wherein the first preset temperature interval is 25-35 ℃, and the preset humidity interval is 40-50%.

4. The method for manufacturing an electronic cloth according to claim 1, wherein,

after sizing operation is carried out on the high-opening-degree electronic yarn, the winding tension value range of the high-opening-degree electronic yarn is 850-950N;

and after the high-opening-degree electronic yarn is subjected to the operation, the winding tension value range of the high-opening-degree electronic yarn is 4000-5000N.

5. The method of manufacturing an electronic cloth according to claim 1, wherein the step of pre-desizing the intermediate cloth comprises:

and allowing the intermediate cloth to pass through a first high Wen Luou and a second high-temperature furnace area at a preset linear speed so as to finish pre-desizing treatment of the intermediate cloth, wherein the preset linear speed is in the range of 95-105m/min, the temperature of the first high-temperature furnace area is in the range of 420-440 ℃, and the temperature of the second high-temperature furnace area is in the range of 440-460 ℃.

6. The method of manufacturing an electronic cloth according to claim 1, wherein the step of performing the thermal desizing treatment on the intermediate cloth comprises:

Performing first heat preservation treatment on the intermediate cloth subjected to pre-desizing treatment in a first heat preservation temperature interval, wherein the value range of the first heat preservation temperature interval is 150-200 ℃, and the value range of the heat preservation time of the first heat preservation treatment is 2-3 hours;

performing second heat preservation treatment on the intermediate cloth subjected to the first heat preservation treatment in a second heat preservation temperature interval, wherein the value range of the second heat preservation temperature interval is 220-260 ℃, and the value range of the heat preservation time of the second heat preservation treatment is 5-6 hours;

and under a third heat preservation temperature interval, carrying out third heat preservation treatment on the intermediate cloth subjected to the second heat preservation treatment, wherein the value range of the third heat preservation temperature interval is 390-410 ℃, and the value range of the heat preservation time of the third heat preservation treatment is 50-53 hours.

7. The method of manufacturing an electronic cloth according to claim 1, wherein the step of surface-chemically treating the intermediate cloth comprises:

and immersing the intermediate cloth subjected to the thermal desizing treatment in a prefabricated silane coupling agent so as to finish the surface chemical treatment of the intermediate cloth, wherein the solid content of the prefabricated silane coupling agent is in the range of 0.10-0.45%, and the pH value of the prefabricated silane coupling agent is in the range of 2.0-5.0 in the process of performing the surface chemical treatment on the intermediate cloth.

8. The method of manufacturing an electronic cloth according to claim 1, wherein the step of opening the intermediate cloth comprises:

and (3) passing the intermediate cloth subjected to the surface chemical treatment through high-pressure water jet so as to finish the fiber opening treatment of the intermediate cloth, thereby obtaining the 7628 electronic cloth, wherein the pressure value range of the high-pressure water jet is 0.5-4.0MPa, the aperture value range of a nozzle of the high-pressure water jet is 0.1-0.2mm, and the water flow conductivity of the high-pressure water jet is not more than 10 mu s/cm.

9. The 7628 electronic cloth is characterized in that 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, wherein the warp density value range of the 7628 electronic cloth is 30.5-43.0ends/inch, the weft density value range of the 7628 electronic cloth is 25.4-31.0ends/inch, the basis weight value range of the 7628 electronic cloth is 207-213 g/square meter, and the thickness value range of the electronic cloth is 165-180 mu m.

10. The electronic 7628 fabric of claim 9, wherein said electronic 7628 fabric is made by interlacing said high open fiber electronic yarns in a plurality of sets of warp direction arrangements with said high open fiber electronic yarns in a plurality of sets of weft direction arrangements in a plain weave structure.

11. The electronic cloth according to claim 9, wherein the high open fiber electronic yarn has a linear density in the range of 72-95tex and a twist of 15-30 twists.