CN111041627A - Alloy steel filament blended covered yarn textile and manufacturing method and application thereof - Google Patents
Alloy steel filament blended covered yarn textile and manufacturing method and application thereof Download PDFInfo
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- CN111041627A CN111041627A CN201911309945.0A CN201911309945A CN111041627A CN 111041627 A CN111041627 A CN 111041627A CN 201911309945 A CN201911309945 A CN 201911309945A CN 111041627 A CN111041627 A CN 111041627A
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
- D02G3/04—Blended or other yarns or threads containing components made from different materials
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2101/00—Inorganic fibres
- D10B2101/20—Metallic fibres
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D10B2321/04—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polymers of halogenated hydrocarbons
- D10B2321/041—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polymers of halogenated hydrocarbons polyvinyl chloride or polyvinylidene chloride
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- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Abstract
The invention discloses an alloy steel filament blended covered yarn textile and a manufacturing method and application thereof, belonging to the technical field of alloy metal finish machining and spinning. The alloy steel filament blended covered yarn textile comprises the following alloy steel filaments, polyvinyl chloride fibers and cotton fibers in percentage by mass: alloy steel filament: 35% -45%; polyvinyl chloride fiber: 15% -25%; cotton fiber: 35% -45%; wherein the diameter of the alloy steel filament is 0.020-0.070 mm; the mass per unit area is 245-275g/m2The shielding effectiveness in the range of 10MHz-3GHz is more than or equal to 95dB, the bending times are more than 60 ten thousand, and the electromagnetic shielding tarpaulin can be effectively used as products such as electromagnetic shielding tarpaulin and the like.
Description
Technical Field
The invention belongs to the technical field of alloy metal finish machining and spinning, particularly relates to an alloy steel filament blended covered yarn textile, a manufacturing method and application thereof, and particularly relates to an alloy steel filament blended covered yarn textile, a manufacturing method thereof and application thereof in tarpaulin fabrics.
Background
With the rapid development of radio technology, electronic and communication devices are developing in the directions of sensitivity, density, high frequency and diversification, and the electromagnetic wave technology of microwave frequency band has been more and more widely applied in various industrial fields, such as mobile phones, microwave ovens, wireless networks, computers, televisions, videos, optical communication and the like, so that electromagnetic radiation is ubiquitous; not only causes system failure, image distortion, radar chaos and the like, but also seriously harms human health. The electromagnetic radiation of military electronic equipment may be a clue to the detection of enemies.
The development of electromagnetic wave absorbing and shielding materials is one of the important measures for treating or eliminating electromagnetic hazards. The electromagnetic wave absorbing material greatly reduces the reflection and transmission of electromagnetic waves mainly by the capability of converting electromagnetic radiation energy into other forms of energy, thereby realizing the wave absorbing effect.
Textiles such as tarpaulin products and the like are one of a plurality of wave-absorbing materials, can be used for reducing the harm of electromagnetic waves to human bodies, and can also be used for military equipment to avoid radar search; the light-weight, convenient use, stable process, low price, easy mass production, multi-spectrum absorption realization and other characteristics of the material gradually become hot points of international research. The existing product uses a coating method to shield radar waves or infrared detection, namely, a powder material with wave absorption performance is coated on the surface of a base material by using an adhesive to form a wave absorption layer. The wave-absorbing powder mainly comprises graphite, ferrite, metal or alloy particles, barium titanate, silicon carbide and the like. Due to the poor durability of the coating, the electromagnetic shielding effect obtained by the method cannot be durable, the ideal wave absorbing effect can be obtained only by frequent maintenance or recoating, a large amount of manpower and material resources are consumed, and the cost is high.
Disclosure of Invention
In view of one or more of the problems in the prior art, an aspect of the present invention provides an alloy steel filament blended covered yarn textile, which comprises the following alloy steel filaments, polyvinyl chloride fibers and polyvinyl chloride fibers in percentage by mass:
alloy steel filament: 35% -45%;
polyvinyl chloride fiber: 15% -25%;
cotton fiber: 35% -45%;
wherein the diameter of the alloy steel filament is 0.020-0.070 mm.
The alloy steel filament blended covered yarn textile comprises the following alloy steel filaments, polyvinyl chloride fibers and cotton fibers in percentage by mass:
alloy steel filament: 40 percent;
polyvinyl chloride fiber: 20 percent;
cotton fiber: 40 percent;
wherein the alloy steel filaments have a diameter of 0.030 mm.
The mass per unit area of the alloy steel filament blended and coated yarn textile is 245-275g/m2The shielding effectiveness is more than or equal to 95dB in the range of 10MHz-3GHzThe bending times are more than 60 ten thousand.
The invention also provides a method for manufacturing the alloy steel filament blended covered yarn textile, which comprises the following steps:
1) selecting an alloy steel wire and then stretching the alloy steel wire to a diameter of 0.020-0.070mm to obtain an alloy steel filament;
2) softening the alloy steel filaments obtained in the step 1) to obtain spinnable filaments;
3) drawing the polyvinyl chloride fiber raw sliver and the cotton fiber raw sliver to obtain a thick sliver, and stretching the thick sliver to obtain a fine yarn;
4) stranding and twisting the spinnable yarn obtained in the step 2) and the fine yarn obtained in the step 3) and winding to obtain a bobbin thread;
5) performing diameter-sizing and weft-winding on the bobbin thread obtained in the step 4) to obtain a diameter-weft strand;
6) and (3) passing the radial and weft plied yarns obtained in the step 5) through a textile machine to obtain the alloy steel filament blended covered yarn textile.
The step 2) of softening the alloy steel filaments obtained in the step 1) is to soften the alloy steel filaments in a high-temperature pure hydrogen softening furnace, wherein the softening conditions meet the following conditions:
when the diameter of the alloy steel filament is 0.07mm, the softening temperature is 1040-;
when the diameter of the alloy steel filament is 0.05mm, the softening temperature is 1020-1040 ℃, and the softening speed is 135-145 m/min;
when the diameter of the alloy steel filament is 0.04mm, the softening temperature is 1020-;
when the diameter of the alloy steel filament is 0.035mm, the softening temperature is 1020-1030 ℃, and the softening speed is 175-185 m/min;
when the diameter of the alloy steel filament is 0.03mm, the softening temperature is 1020 ℃ for 1000-;
when the diameter of the alloy steel filament is 0.025mm, the softening temperature is 900-;
when the diameter of the alloy steel filament is 0.02mm, the softening temperature is 800-.
The step 2) of softening the alloy steel filaments obtained in the step 1) is to soften the alloy steel filaments in a high-temperature pure hydrogen softening furnace, wherein the softening conditions meet the following conditions:
when the diameter of the alloy steel filament is 0.07mm, the softening temperature is 1040-;
when the diameter of the alloy steel filament is 0.05mm, the softening temperature is 1020-;
when the diameter of the alloy steel filament is 0.04mm, the softening temperature is 1020-;
when the diameter of the alloy steel filament is 0.035mm, the softening temperature is 1020-1030 ℃, and the softening speed is 180 m/min;
when the diameter of the alloy steel filament is 0.03mm, the softening temperature is 1020 ℃ and the softening speed is 130 m/min;
when the diameter of the alloy steel filament is 0.025mm, the softening temperature is 900-;
when the diameter of the alloy steel filament is 0.02mm, the softening temperature is 800-.
The alloy steel is selected from any one or combination of the following: titanium alloy steel, 304N alloy steel, or 316L alloy steel.
The invention also relates to the application of the alloy steel filament blended covered yarn textile in manufacturing the electromagnetic shielding tarpaulin.
The alloy steel filament blended coated yarn textile provided based on the technical scheme is made by blending alloy steel filament fibers, polyvinyl chloride fibers and cotton fiber materials, can block electromagnetic waves and the like by utilizing the electron hopping principle of the alloy steel filament fibers, and forms an electromagnetic field by utilizing electrons carried by atomic nuclei of metal elements to orderly move on the surface layer of the textile so as to achieve the effect of absorbing and shielding the electromagnetic waves, so that the textile has the functions of shielding radar waves, infrared rays, ultraviolet rays and the like, has the flame retardant effect due to the existence of the polyvinyl chloride fibers, and has the electromagnetic shielding effect greater than that of the electromagnetic shielding effect within the range of 10MHz-3GHz through testing95dB, and has very good shielding effect. The textile is used as products such as tarpaulin and the like, can be used for reducing the harm of electromagnetic waves to human bodies, can also be used for military equipment to avoid radar search, and has the mass per unit area of 245-2The bending times are more than 60 ten thousand, so the composite material has the advantages of light weight, strong flexibility and the like. In addition, the softening step of the alloy steel filament in the manufacturing method provided by the invention can ensure that the alloy steel filament has the performances of softness, strength, fineness, gram weight, length and the like of cotton threads, mulberry silks and chemical fibers, and the spinnability and strength of the alloy steel filament are ensured, so that the manufactured alloy steel filament blended and coated yarn textile has excellent electromagnetic shielding effect, beautiful appearance and soft hand feeling, can be suitable for different occasions and different environmental conditions, and can perform the functions of water washing, machine washing and random dyeing, thereby having the advantages of convenience in use, stable process, low price, easiness in batch production and the like.
Detailed Description
The present invention will be described in detail below with reference to specific embodiments.
Example 1: manufacture of alloy steel filament blended coated yarn textile
1) Selecting a titanium alloy steel wire with the mass fraction of 35% to stretch on a precise high-speed wire drawing machine (Anhui Hengzhen cable science and technology Co., Ltd.) until the diameter is 0.070mm, and obtaining a titanium alloy steel filament;
2) softening the titanium alloy steel filament obtained in the step 1) in a high-temperature pure hydrogen softening furnace (Sunburg, Lande opto-electronic technology, Inc., Wu) to obtain a spinnable filament; wherein the temperature of the softened titanium alloy steel filament is controlled within the range of 1040-1060 ℃, and the softening speed is 130 m/min;
3) drawing the polyvinyl chloride fiber raw sliver with the mass fraction of 20% and the cotton fiber raw sliver with the mass fraction of 45% in a drawing frame (Hubei Tianmen textile machinery, Inc.) to obtain a roving sliver, and stretching the roving sliver to obtain a fine yarn;
4) stranding and twisting the spinnable yarn obtained in the step 2) and the fine yarn obtained in the step 3) and winding to obtain a bobbin thread;
5) performing diameter-sizing and weft-winding on the bobbin thread obtained in the step 4) to obtain a diameter-weft strand;
6) and (3) passing the radial and weft yarns obtained in the step 5) through a textile machine (Hubei Tianmen textile machinery, Inc.) to obtain the alloy steel filament blended and coated yarn textile.
The alloy steel filament blended covered yarn textile prepared by the embodiment is tested to have the mass per unit area of 245g/m2The shielding effectiveness is 95dB in the range of 10MHz-3GHz, and the bending times are more than 60 ten thousand.
Example 2: manufacture of alloy steel filament blended coated yarn textile
1) Selecting a 304N alloy steel wire with the mass fraction of 45% to stretch on a precise high-speed wire drawing machine until the diameter is 0.050mm, and obtaining a 304N alloy steel filament;
2) softening the 304N alloy steel filaments obtained in the step 1) in a high-temperature pure hydrogen softening furnace to obtain spinnable filaments; wherein the temperature for softening the 304N alloy steel filaments is controlled within the range of 1020-1040 ℃, and the softening speed is 140 m/min;
3) drawing the polyvinyl chloride fiber raw sliver with the mass fraction of 15% and the cotton fiber raw sliver with the mass fraction of 40% in a drawing frame to obtain a thick sliver, and stretching the thick sliver to obtain a fine yarn;
4) stranding and twisting the spinnable yarn obtained in the step 2) and the fine yarn obtained in the step 3) and winding to obtain a bobbin thread;
5) performing diameter-sizing and weft-winding on the bobbin thread obtained in the step 4) to obtain a diameter-weft strand;
6) and (3) passing the radial and weft plied yarns obtained in the step 5) through a textile machine to obtain the alloy steel filament blended covered yarn textile.
The alloy steel filament blended covered yarn textile prepared by the embodiment is tested to have the mass per unit area of 275g/m2The shielding effectiveness is 98dB in the range of 10MHz-3GHz, and the bending times are more than 60 ten thousand.
Example 3: manufacture of alloy steel filament blended coated yarn textile
1) Selecting a 304N alloy steel wire with the mass fraction of 40% to stretch again on a precise high-speed wire drawing machine until the diameter is 0.040mm, and obtaining a 304N alloy steel filament;
2) softening the 304N alloy steel filaments obtained in the step 1) in a high-temperature pure hydrogen softening furnace to obtain spinnable filaments; wherein the temperature for softening the 304N alloy steel filaments is controlled within the range of 1020-1040 ℃, and the softening speed is 160 m/min;
3) drawing the polyvinyl chloride fiber raw sliver with the mass fraction of 20% and the cotton fiber raw sliver with the mass fraction of 40% in a drawing frame to obtain a thick sliver, and stretching the thick sliver to obtain a fine yarn;
4) stranding and twisting the spinnable yarn obtained in the step 2) and the fine yarn obtained in the step 3) and winding to obtain a bobbin thread;
5) performing diameter-sizing and weft-winding on the bobbin thread obtained in the step 4) to obtain a diameter-weft strand;
6) and (3) passing the radial and weft plied yarns obtained in the step 5) through a textile machine to obtain the alloy steel filament blended covered yarn textile.
The alloy steel filament blended covered yarn textile prepared by the embodiment is tested to have the mass per unit area of 265g/m2The shielding effectiveness is 105dB in the range of 10MHz-3GHz, and the bending times are more than 60 ten thousand.
Example 4: manufacture of alloy steel filament blended coated yarn textile
1) Selecting a 304N alloy steel wire with the mass fraction of 40% to stretch on a precise high-speed wire drawing machine until the diameter is 0.030mm, and obtaining a 304N alloy steel filament;
2) softening the 304N alloy steel filaments obtained in the step 1) in a high-temperature pure hydrogen softening furnace to obtain spinnable filaments; wherein the temperature for softening the 304N alloy steel filaments is controlled within the range of 1000-1020 ℃, and the softening speed is 130 m/min;
3) drawing the polyvinyl chloride fiber raw sliver with the mass fraction of 20% and the cotton fiber raw sliver with the mass fraction of 40% in a drawing frame to obtain a thick sliver, and stretching the thick sliver to obtain a fine yarn;
4) stranding and twisting the spinnable yarn obtained in the step 2) and the fine yarn obtained in the step 3) and winding to obtain a bobbin thread;
5) performing diameter-sizing and weft-winding on the bobbin thread obtained in the step 4) to obtain a diameter-weft strand;
6) and (3) passing the radial and weft plied yarns obtained in the step 5) through a textile machine to obtain the alloy steel filament blended covered yarn textile.
The alloy steel filament blended covered yarn textile prepared by the embodiment is tested to have the mass per unit area of 264g/m2The shielding effectiveness is 115dB in the range of 10MHz-3GHz, and the bending times are more than 60 ten thousand.
Example 5: manufacture of alloy steel filament blended coated yarn textile
1) Selecting a 316L alloy steel wire rod with the mass fraction of 35% to stretch on a precise high-speed wire drawing machine until the diameter is 0.020mm, and obtaining 316L alloy steel filament;
2) softening the 316L alloy steel filaments obtained in the step 1) in a high-temperature pure hydrogen softening furnace to obtain spinnable filaments; wherein the temperature for softening the 316L alloy steel filaments is controlled within the range of 800-900 ℃, and the softening speed is 110 m/min;
3) drawing the polyvinyl chloride fiber raw sliver with the mass fraction of 25% and the cotton fiber raw sliver with the mass fraction of 40% in a drawing frame to obtain a thick sliver, and stretching the thick sliver to obtain a fine yarn;
4) stranding and twisting the spinnable yarn obtained in the step 2) and the fine yarn obtained in the step 3) and winding to obtain a bobbin thread;
5) performing diameter-sizing and weft-winding on the bobbin thread obtained in the step 4) to obtain a diameter-weft strand;
6) and (3) passing the radial and weft plied yarns obtained in the step 5) through a textile machine to obtain the alloy steel filament blended covered yarn textile.
The alloy steel filament blended covered yarn textile prepared by the embodiment is tested to have the mass per unit area of 250g/m2The shielding effectiveness is 95dB in the range of 10MHz-3GHz, and the bending times are more than 60 ten thousand.
Comparative example 1: manufacture of alloy steel filament blended coated yarn textile
1) Selecting a 304N alloy steel wire with the mass fraction of 25% to stretch on a precise high-speed wire drawing machine until the diameter is 0.030mm, and obtaining a 304N alloy steel filament;
2) softening the 304N alloy steel filaments obtained in the step 1) in a high-temperature pure hydrogen softening furnace to obtain spinnable filaments; wherein the temperature for softening the 304N alloy steel filaments is controlled within the range of 1000-1020 ℃, and the softening speed is 130 m/min;
3) drawing the polyvinyl chloride fiber raw sliver with the mass fraction of 45% and the cotton fiber raw sliver with the mass fraction of 30% in a drawing frame to obtain a thick sliver, and stretching the thick sliver to obtain a fine yarn;
4) stranding and twisting the spinnable yarn obtained in the step 2) and the fine yarn obtained in the step 3) and winding to obtain a bobbin thread;
5) performing diameter-sizing and weft-winding on the bobbin thread obtained in the step 4) to obtain a diameter-weft strand;
6) and (3) passing the radial and weft plied yarns obtained in the step 5) through a textile machine to obtain the alloy steel filament blended covered yarn textile.
The alloy steel filament blended covered yarn textile prepared by the embodiment is tested to have the mass per unit area of 225g/m2The shielding effectiveness is 35dB in the range of 10MHz-3GHz, and the bending times are more than 60 ten thousand.
Comparative example 2: manufacture of alloy steel filament blended coated yarn textile
1) Selecting a 304N alloy steel wire with the mass fraction of 70% to stretch on a precise high-speed wire drawing machine until the diameter is 0.030mm, and obtaining a 304N alloy steel filament;
2) softening the 304N alloy steel filaments obtained in the step 1) in a high-temperature pure hydrogen softening furnace to obtain spinnable filaments; wherein the temperature for softening the 304N alloy steel filaments is controlled within the range of 1000-1020 ℃, and the softening speed is 130 m/min;
3) drawing the polyvinyl chloride fiber raw sliver with the mass fraction of 10% and the cotton fiber raw sliver with the mass fraction of 20% in a drawing frame to obtain a thick sliver, and stretching the thick sliver to obtain a fine yarn;
4) stranding and twisting the spinnable yarn obtained in the step 2) and the fine yarn obtained in the step 3) and winding to obtain a bobbin thread;
5) performing diameter-sizing and weft-winding on the bobbin thread obtained in the step 4) to obtain a diameter-weft strand;
6) and (3) passing the radial and weft plied yarns obtained in the step 5) through a textile machine to obtain the alloy steel filament blended covered yarn textile.
The alloy steel filament blended covered yarn textile prepared by the embodiment is tested to have the mass per unit area of 305g/m2The shielding effectiveness is 45dB in the range of 10MHz-3GHz, and the bending times are more than 60 ten thousand.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The alloy steel filament blended covered yarn textile is characterized by comprising the following alloy steel filaments, polyvinyl chloride fibers and cotton fibers in percentage by mass:
alloy steel filament: 35% -45%;
polyvinyl chloride fiber: 15% -25%;
cotton fiber: 35% -45%;
wherein the diameter of the alloy steel filament is 0.020-0.070 mm.
2. The alloy steel filament blended covered yarn textile according to claim 1, wherein the alloy steel filament blended covered yarn textile comprises the following alloy steel filaments, polyvinyl chloride fibers and cotton fibers in percentage by mass:
alloy steel filament: 40 percent;
polyvinyl chloride fiber: 20 percent;
cotton fiber: 40 percent;
wherein the diameter of the alloy steel filament is 0.030-0.040 mm.
3. The alloy steel filament blended covered yarn textile as claimed in claim 1 or 2, wherein the mass per unit area of the alloy steel filament blended covered yarn textile is 245-2The shielding effectiveness in the range of 10MHz-3GHz is more than or equal to 95dB, and the bending times are more than 60 ten thousand.
4. The method for manufacturing the alloy steel filament blended covered yarn textile according to any one of claims 1 to 3, characterized by comprising the following steps:
1) selecting an alloy steel wire and then stretching the alloy steel wire to a diameter of 0.020-0.070mm to obtain an alloy steel filament;
2) softening the alloy steel filaments obtained in the step 1) to obtain spinnable filaments;
3) drawing the polyvinyl chloride fiber raw sliver and the cotton fiber raw sliver to obtain a thick sliver, and stretching the thick sliver to obtain a fine yarn;
4) stranding and twisting the spinnable yarn obtained in the step 2) and the fine yarn obtained in the step 3) and winding to obtain a bobbin thread;
5) performing diameter-sizing and weft-winding on the bobbin thread obtained in the step 4) to obtain a diameter-weft strand;
6) and (3) passing the radial and weft plied yarns obtained in the step 5) through a textile machine to obtain the alloy steel filament blended covered yarn textile.
5. The manufacturing method according to claim 4, wherein the softening of the alloy steel filaments obtained in step 1) in step 2) is performed in a high-temperature pure hydrogen softening furnace, and the softening conditions satisfy the following conditions:
when the diameter of the alloy steel filament is 0.07mm, the softening temperature is 1020-1060 ℃, and the softening speed is 125-135 m/min;
when the diameter of the alloy steel filament is 0.05mm, the softening temperature is 1020-1040 ℃, and the softening speed is 135-145 m/min;
when the diameter of the alloy steel filament is 0.04mm, the softening temperature is 1020-;
when the diameter of the alloy steel filament is 0.035mm, the softening temperature is 1020-1030 ℃, and the softening speed is 175-185 m/min;
when the diameter of the alloy steel filament is 0.03mm, the softening temperature is 1020 ℃ for 1000-;
when the diameter of the alloy steel filament is 0.025mm, the softening temperature is 900-;
when the diameter of the alloy steel filament is 0.02mm, the softening temperature is 800-.
6. The manufacturing method according to claim 4, wherein the softening of the alloy steel filaments obtained in step 1) in step 2) is performed in a high-temperature pure hydrogen softening furnace, and the softening conditions satisfy the following conditions:
when the diameter of the alloy steel filament is 0.07mm, the softening temperature is 1050 and 1060 ℃, and the softening speed is 130 m/min;
when the diameter of the alloy steel filament is 0.05mm, the softening temperature is 1030 ℃ and 1040 ℃, and the softening speed is 140 m/min;
when the diameter of the alloy steel filament is 0.04mm, the softening temperature is 1020-1030 ℃, and the softening speed is 160 m/min;
when the diameter of the alloy steel filament is 0.035mm, the softening temperature is 1020-1030 ℃, and the softening speed is 180 m/min;
when the diameter of the alloy steel filament is 0.03mm, the softening temperature is 1000-;
when the diameter of the alloy steel filament is 0.025mm, the softening temperature is 900-;
when the diameter of the alloy steel filament is 0.02mm, the softening temperature is 800-.
7. A manufacturing method according to any one of claims 4-6, characterized in that the alloy steel is selected from any one or a combination of the following: titanium alloy steel, 304N alloy steel, or 316L alloy steel.
8. Use of a steel alloy filament blended covered yarn textile as claimed in any one of claims 1 to 3 in the manufacture of electromagnetic shielding tarpaulin.
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| CN116446099A (en) * | 2023-03-13 | 2023-07-18 | 河北冀伽康新材料科技有限公司 | Production process of alloy steel cloth T-shirt |
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Application publication date: 20200421 |