CN113373570A - Camouflage shielding base cloth - Google Patents
Camouflage shielding base cloth Download PDFInfo
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- CN113373570A CN113373570A CN202110765910.9A CN202110765910A CN113373570A CN 113373570 A CN113373570 A CN 113373570A CN 202110765910 A CN202110765910 A CN 202110765910A CN 113373570 A CN113373570 A CN 113373570A
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- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
- D03D15/242—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads inorganic, e.g. basalt
- D03D15/25—Metal
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- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D13/00—Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft
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- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
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- D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
- D03D15/283—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads synthetic polymer-based, e.g. polyamide or polyester fibres
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/40—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the yarns or threads
- D03D15/47—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the yarns or threads multicomponent, e.g. blended yarns or threads
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- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
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- D03D15/50—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
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- D—TEXTILES; PAPER
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- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/50—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
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- D10B2331/14—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polycondensates of cyclic compounds, e.g. polyimides, polybenzimidazoles
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- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Woven Fabrics (AREA)
Abstract
The invention discloses a camouflage shielding base cloth which is formed by interweaving warp yarns and weft yarns, wherein the warp yarns are metal blended yarn strands and chemical fiber filaments which are arranged according to the circulating sequence of the warp yarns; the weft yarns are metal blended strand yarns and chemical fiber filaments which are arranged according to the weft yarn circulation sequence; the metal blended strand yarn of the warp and the metal blended strand yarn of the weft are overlapped by adopting a plain weave, the chemical fiber filament yarn of the warp and the chemical fiber filament yarn of the weft are overlapped by adopting a square weave, and the chemical fiber filament yarn and the metal blended strand yarn are overlapped by adopting a heavy weave. The invention has the advantages of light weight, hook prevention and radar prevention detection effects.
Description
Technical Field
The invention relates to the technical field of barrier shielding base cloth, in particular to camouflage barrier shielding base cloth.
Background
The tarpaulin on the market at present adopts dacron oxford or canvas to play the effect of disguising the barrier through coating or coating back cut flower, relies on the ferrite particle in the coating material to absorb the electromagnetic wave, and the surface fabric behind the coating is heavier, and every square meter all is 800 plus materials 1000g, is totally by the metal particle in the coating material, and the barrier cloth surface fabric is smooth moreover. The absorption and scattering effects on electromagnetic waves are poor. Some electromagnetic shielding fabrics are also woven by metal blended yarn strands, but the fabric has high metal fiber content, so that the electromagnetic wave reflectivity is high, the electromagnetic wave can be blocked, but the camouflage effect cannot be achieved, therefore, the fabric needs to be subjected to pattern cutting treatment, and the pattern cutting camouflage net is easy to hook in the using process. Therefore, a barrier base fabric is needed to solve the above problems, and has light weight, hooking prevention and radar detection prevention effects.
Disclosure of Invention
The invention aims to provide a camouflage base cloth, which is used for solving the problems in the prior art and has the effects of light weight, hook prevention and radar detection.
In order to achieve the purpose, the invention provides the following scheme: the invention provides camouflage shielding base cloth which is formed by interweaving warp yarns and weft yarns, wherein the warp yarns are metal blended yarn strands and chemical fiber filaments which are arranged according to a warp yarn circulation sequence; the weft yarns are the metal blended strand yarns and the chemical fiber filaments which are arranged according to the weft yarn circulation sequence;
the metal blended strand yarn of the warp yarn and the metal blended strand yarn of the weft yarn are overlapped by adopting a plain weave, the chemical fiber filament yarn of the warp yarn and the chemical fiber filament yarn of the weft yarn are overlapped by adopting a square weave, and the chemical fiber filament yarn and the metal blended strand yarn are overlapped by adopting a heavy weave.
Preferably, the warp circulation sequence is that the metal blended yarn with the width of 30mm-70mm and the chemical fiber filament with the width of 5mm-10mm are arranged side by side.
Preferably, the weft yarn circulation sequence is that the metal blended yarn with the width of 30mm-70mm and the chemical fiber filament with the width of 5mm-10mm are arranged side by side.
Preferably, the metal blended yarn is formed by blending metal fibers and high-performance synthetic fibers, and the metal fibers account for 0.1-30.0% of the metal blended yarn by weight.
Preferably, the chemical fiber filament has a heat shrinkage of 4 times or more of the metal blended yarn.
Preferably, the float length line of the chemical fiber filament is 2-3 times of the float length line of the metal blended yarn.
Preferably, the area of the chemical fiber filament accounts for 20% -40% of the area of the metal blended strand yarn.
Preferably, the high-performance synthetic fiber is one of aramid fiber, polyimide fiber, PBO fiber, PBI fiber, polyester fiber, vinylon and nylon, and accounts for 70-99.9 wt%.
Preferably, the warp yarns and the weft yarns are interwoven to form a base fabric, and the surface of the base fabric is coated with the multifunctional coating.
The invention discloses the following technical effects: the base cloth is formed by interweaving the metal blended strand yarns and the chemical fiber filaments, so that the base cloth has the characteristic of light weight, and the problem that the traditional covering cloth absorbs electromagnetic waves by ferrite particles in a coating material and the coated fabric is heavy is solved; the metal blended yarn overlapping part of the warp and the metal blended yarn overlapping part of the weft are interwoven by adopting a plain weave, the chemical fiber filament of the warp and the chemical fiber filament of the weft are interwoven by adopting a square weave, the chemical fiber filament and the metal blended yarn overlapping part are interwoven by adopting a heavy flat weave, different weaving methods are adopted on the same cloth cover, the shrinkage rates of the chemical fiber filament and the metal blended yarn are different, the elasticity of the cloth cover is small, and after finishing and sizing, the cloth cover forms a sand hill-shaped bulge and a gully to form multi-dimensional absorption and scattering of electromagnetic waves, so that the reflectivity of the electromagnetic waves is greatly reduced, and the hooking phenomenon is not easy to generate in the using process.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a schematic representation of the tissue cycle of the camouflage cover substrate of the present invention;
FIG. 2 is a schematic view of the tissue cycle assembly of the camouflage cover substrate of the present invention;
FIG. 3 is a warp repeat sequence view of a camouflage barrier base fabric of the present invention;
FIG. 4 is a weft repeat sequence chart of the camouflage cover substrate of the present invention;
wherein, 1, plain weave; 2. flattening the tissue; 3. squareness organization; 4. a metal blended strand yarn; 5. chemical fiber filament.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Referring to fig. 1-4, the invention provides a camouflage shielding base fabric, which is formed by interweaving warp yarns and weft yarns, wherein the warp yarns are metal blended stranded yarns 4 and chemical fiber filaments 5 which are arranged according to a warp yarn circulation sequence; the warp circulation sequence is that the metal blended yarn 4 with the width of 30mm-70mm and the chemical fiber filament 5 with the width of 5mm-10mm are arranged side by side; the weft yarns are metal blended ply yarns 4 and chemical fiber filaments 5 which are arranged according to the weft yarn circulation sequence; the weft yarn circulation sequence is that the metal blended yarn 4 with the width of 30mm-70mm and the chemical fiber filament 5 with the width of 5mm-10mm are arranged side by side; the metal blended yarn 4 and the chemical fiber filament 5 are interwoven to form the base cloth, so that the base cloth has the characteristic of light weight, and the problem that the traditional covering cloth absorbs electromagnetic waves by ferrite particles in a coating material and the coated fabric is heavy is solved;
the metal blended strand yarn 4 of the warp is interwoven with the metal blended strand yarn 4 of the weft by a plain weave 1, the chemical fiber filament 5 of the warp is interwoven with the chemical fiber filament 5 of the weft by a square weave 3, the chemical fiber filament 5 is interwoven with the metal blended strand yarn 4 by a heavy flat weave 2, different weaving methods are adopted on the same cloth cover, the shrinkage rates of the chemical fiber filament 5 and the metal blended strand yarn 4 are different, the elasticity of the cloth cover is small, and after finishing and sizing, the cloth cover forms hilly-shaped bulges and furrows, so that the multi-dimensional absorption and scattering of electromagnetic waves are formed, the reflectivity of the electromagnetic waves is greatly reduced, and the hooking phenomenon is not easy to occur in the actual use process due to no need of pattern cutting treatment.
According to the further optimized scheme, the metal blended yarn 4 is formed by blending metal fibers and high-performance synthetic fibers, and the metal fibers account for 0.1-30.0% of the metal blended yarn 4 by weight. The metal fiber preferably accounts for 0.5 to 10 percent of the weight of the metal blended strand yarn 4.
In the further optimized scheme, the heat shrinkage of the chemical fiber filaments 5 is 4 times or more of that of the metal blended yarn 4. The same base cloth adopts various organizational structures, so that when tension control of the base cloth is lost, the chemical fiber filaments 5 shrink, meanwhile, the metal blended strand yarns 4 cannot shrink due to high tightness and arch, the base cloth integrally forms an egg support shape, electromagnetic waves are absorbed and scattered through the three-dimensional structure of the base cloth, and the probability of finding a counterfeited object is reduced.
In a further optimized scheme, the float length line of the chemical fiber filament 5 is 2-3 times of the float length line of the metal blended ply yarn 4. According to the arrangement, after the base fabric is woven, the chemical fiber filament yarns 5 can shrink through a high-temperature steam after-finishing process, the metal blended strand yarns 4 are enabled to be protruded or sunken under the traction of the chemical fiber filament yarns 5, irregular protrusions and depressions are formed on the surface of the base fabric, the irregular protrusions are formed on the surface of the base fabric, and the depth of the protrusions and depressions is smaller than 2 cm.
According to the further optimization scheme, the area of the chemical fiber filaments 5 accounts for 20% -40% of the area of the metal blended strand yarns 4, the gram weight of the base cloth fabric is controlled within 240 g/square meter, the unit weight of the base cloth is greatly reduced, and the practicability is improved.
In a further optimization scheme, the metal fibers are alloy fibers, preferably one of stainless steel fibers, ferromagnetic fibers, iron-nickel fibers and other alloy fibers, and the metal fiber strips account for 0.1-30.0% of the metal mixed fiber strips by weight.
The chemical fiber filament 5 is preferably one of a polyester filament and a nylon filament with high shrinkage.
In a further optimized scheme, the high-performance synthetic fiber is an intrinsic flame-retardant fiber or a functional fiber, preferably one of aramid fiber, polyimide fiber, PBO fiber, PBI fiber, polyester fiber, vinylon and chinlon, and accounts for 70-99.9% of the weight of the high-performance synthetic fiber.
In a further optimization scheme, the weight proportion of the metal fiber strips in the metal mixed fiber strips is preferably 0.5-10.0%, and the weight proportion of the high-performance synthetic fibers in the metal mixed fiber strips is preferably 90.0-99.5%.
According to the further optimization scheme, the warp yarns and the weft yarns are interwoven to form the base fabric, the surface of the base fabric is coated with the multifunctional coating, the color and the pattern of the multifunctional coating can be adaptively changed according to the environment, the integration of the surface color of the base fabric and the environment is higher, the multifunctional coating can also be a visible light-proof coating, a near infrared-proof coating, a far infrared-proof outer coating and other functional coatings, and the coating and the surface of the base fabric can be in different forms such as spraying, brushing and hot-melt film forming. The fiber surfaces of the warp yarns and the weft yarns can be coated, so that the base fabric has good environment concealment, visible light prevention effect, infrared prevention effect and other functional effects.
The embodiment also provides a production method of the camouflage and shielding base cloth, which comprises the following steps:
1) preparing metal fiber strips and high-performance fiber strips;
2) preparing metal fiber strips and high-performance fiber strips into metal mixed fiber strips, and preparing the prepared metal mixed fiber strips into metal blended spun yarns through a drawing process, a roving process and a spinning process in sequence, wherein the single yarn twisting direction is Z or S twisting;
3) and (3) twisting a plurality of metal blended spun yarns, preferably 2-5 metal blended spun yarns, in the same direction as the single yarn twisting direction to prepare the metal blended strand yarn 4, so that the metal fiber is in multi-spiral cohesion with high-performance fiber, the bending surface and hairiness of the metal fiber are increased, the absorption and scattering of electromagnetic waves are increased, and the reflection of the electromagnetic waves is reduced.
4) Warping and denting the metal blended yarn 4 and the chemical fiber filament 5;
5) arranging the metal blended strand yarns 4 and the chemical fiber filaments 5 into a grid shape to weave a base fabric, wherein the gram weight of the base fabric is controlled within 240 g/square meter, the chemical fiber filaments 5 surround the periphery of the outside of the metal blended strand yarns 4, the area of the chemical fiber filaments 5 preferably accounts for 20-40% of the area of the metal blended strand yarns 4, the part of the metal blended strand yarns 4 adopts a plain weave 1, and the part of the chemical fiber filaments 5 interwoven with the metal blended strand yarns 4 adopts a heavy flat weave 2; weaving the chemical fiber filament 5 part by adopting a square and flat weave 3 to obtain primary base cloth; the metal blended yarn 4 and the chemical fiber filament 5 are interwoven to form the base cloth, the content of metal fibers is below 10%, the base cloth has the characteristic of light weight, and the problem that the traditional covering cloth absorbs electromagnetic waves by ferrite particles in a coating material and the coated fabric is heavy is solved; the same base cloth adopts various organizational structures, so that when tension control of the base cloth is lost, the chemical fiber filaments 5 shrink, meanwhile, the metal blended strand yarns 4 cannot shrink due to high tightness and arch, the base cloth integrally forms an egg support shape, electromagnetic waves are absorbed and scattered through the three-dimensional structure of the base cloth, and the probability of finding a counterfeited object is reduced.
6) In order to reduce the loss of metal fibers, primary base cloth is shaped by steam, bulges and depressions are formed on the surface of the base cloth, the base cloth is produced, different weaving methods are adopted on the same cloth cover, the structures are different during weaving, the shrinkage rates of the chemical fiber filaments 5 and the metal blended strand yarns 4 are different, the elasticity of the cloth cover is small, after high-temperature finishing and shaping, the cloth cover forms dune-shaped bulges and gullies to form multi-dimensional absorption and scattering of electromagnetic waves, the reflectivity of the electromagnetic waves is greatly reduced, the attenuation value of the electromagnetic waves is above 12dB in the frequency range of 2GHz-18GHz and 26.5GHz-40GHz, the probability of radar detection is reduced, and the hooking phenomenon is not easy to generate in the using process.
In the step 4), a sectional warping method is adopted for warping, 30mm-70mm wide metal blended strand yarns 4 and 5mm-10mm wide chemical fiber filaments 5 are used as warp yarn circulation, each warp yarn circulation is used as one warp yarn, dozens of warp yarns are wound on a beam, measures are taken, the tension of the chemical fiber filaments 5 is adjusted to be more than 110% of the tension of the metal blended strand yarns 4, during reeding, the chemical fiber filaments 5 are easy to loosen when weaving, so that the openings are not clear, in order to ensure that the openings are clear when weaving the chemical fiber filaments 5, the chemical fiber filaments 5 are threaded through a rear heddle, and the metal blended strand yarns 4 are threaded through a front heddle due to small elasticity.
In the further optimization scheme, in the step 5), the metal blended yarn 4 with the width of 30mm-70mm and the 5mm-10mm wide fiber filament 5 are used as a weft yarn to circulate, the weft yarn is interwoven with the warp yarn, the interweaving part of the metal blended yarn 4 and the metal blended yarn 4 adopts a plain weave, the interweaving part of the metal blended yarn 4 and the chemical fiber filament 5 adopts a heavy flat weave, the interweaving part of the chemical fiber filament 5 and the chemical fiber filament 5 adopts a square flat weave, and the metal blended yarn 4 and the filament adopt different weaving methods on the same cloth surface, so that the floating length of the chemical fiber filament 5 part is 2-3 times of that of the metal blended yarn 4 part.
In the further optimization scheme, in the step 6), the primary base cloth is subjected to steam setting in a drying room at the temperature higher than 100 ℃, after the steam setting, the chemical fiber filaments 5 are further shrunk, the metal blended strand yarns 4 are protruded or sunken under the traction of the chemical fiber filaments 5, irregular protrusions and depressions are formed on the surface of the primary base cloth, the irregular protrusions are formed on the cloth surface, and the depth of the protrusions and depressions is less than 2 cm.
In the further optimization scheme, in the step 5), the grid shape is a square shape of 4.0-8.4 cm, and the area of the chemical fiber filament 5 accounts for 20-40% of the area of the metal blended strand yarn 4.
In the further optimized scheme, the heat shrinkage of the chemical fiber filaments 5 is 4 times or more of that of the metal blended yarn 4. The two materials have different shrinkage rates, the partial shrinkage rate of the chemical fiber filament 5 is more than 4 times of the partial shrinkage rate of the metal blended yarn 4, the cloth surface has small elasticity, and after finishing and sizing, the cloth surface forms sandy-hill-shaped bulges and gullies to form multi-dimensional absorption and scattering of electromagnetic waves, so that the reflectivity of the electromagnetic waves is reduced, the attenuation value of the electromagnetic waves is more than 12dB within the frequency ranges of 2GHz-18GHz and 26.5GHz-40GHz, and the probability of radar reconnaissance is reduced.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.
Claims (9)
1. The utility model provides a camouflage hides barrier base cloth, is interweaved by warp and woof and forms which characterized in that: the warp yarns are metal blended yarn strands (4) and chemical fiber filaments (5) which are arranged according to a warp circulation sequence; the weft yarns are the metal blended strand yarns (4) and the chemical fiber filaments (5) which are arranged according to a weft yarn circulation sequence;
the metal blended yarn (4) of the warp is interwoven with the metal blended yarn (4) of the weft by a plain weave (1), the chemical fiber filament (5) of the warp is interwoven with the chemical fiber filament (5) of the weft by a square weave (3), and the chemical fiber filament (5) is interwoven with the metal blended yarn (4) by a double weave (2).
2. A camouflage masking substrate according to claim 1, wherein: the warp circulation sequence is that the metal blended yarn (4) with the width of 30mm-70mm and the chemical fiber filament (5) with the width of 5mm-10mm are arranged side by side.
3. A camouflage masking substrate according to claim 1, wherein: the weft yarn circulation sequence is that the metal blended strand yarns (4) with the width of 30mm-70mm and the chemical fiber filaments (5) with the width of 5mm-10mm are arranged side by side.
4. A camouflage masking substrate according to claim 1, wherein: the metal blended strand yarn (4) is formed by blending metal fibers and high-performance synthetic fibers, and the metal fibers account for 0.1-30.0% of the metal blended strand yarn (4) by weight.
5. A camouflage masking substrate according to claim 1, wherein: the heat shrinkage of the chemical fiber filaments (5) is 4 times or more of that of the metal blended strand yarns (4).
6. A camouflage masking substrate according to claim 1, wherein: the floating length of the chemical fiber filaments (5) is 2-3 times of that of the metal blended strand yarns (4).
7. A camouflage masking substrate according to claim 1, wherein: the area of the chemical fiber filaments (5) accounts for 20-40% of the area of the metal blended strand yarn (4).
8. A camouflage masking substrate according to claim 4, wherein: the high-performance synthetic fiber is one of aramid fiber, polyimide fiber, PBO fiber, PBI fiber, polyester fiber, vinylon and chinlon, and accounts for 70-99.9% of the weight.
9. A camouflage masking substrate according to claim 1, wherein: the warp yarns and the weft yarns are interwoven to form a base fabric, and the surface of the base fabric is coated with a multifunctional coating.
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