CN104990459B - A kind of radar infrared stealth integrates multiplex stealth tarpaulin and preparation method thereof - Google Patents
A kind of radar infrared stealth integrates multiplex stealth tarpaulin and preparation method thereof Download PDFInfo
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- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims abstract description 25
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Landscapes
- Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
- Laminated Bodies (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The invention discloses a kind of radar infrared stealth to integrate multiplex stealth tarpaulin and preparation method thereof, is mainly used in realizing stealthy, the existence of raising weaponry, the prominent anti-and deep strike ability of modern weapons equipment such as truck-mounted missile, tank, aircraft.Integrated multiplex stealth tarpaulin is followed successively by camouflage color layer, radar infrared stealth layer, basic unit from outside to inside.The radar infrared stealth layer is formed by silicon carbide fibre cloth and aniline in-situ polymerization, not only possesses wave-absorbing and camouflage performance, and have antistatic, high temperature resistant and fire resistance.Infrared waves absorber coatings are that infrared stealth coating is coated in into radar absorption layer surface using the method for top finish.Three-dimensional cutting, suture can be carried out to tarpaulin according to application form difference.This multiplex stealth tarpaulin can realize radar invisible and infrared stealth simultaneously, and have antistatic behaviour, fire-retardant, and mechanical strength is high, flexible, water-fastness, breathe freely, it is convenient for production the advantages of.
Description
Technical field
The invention belongs to absorbing material field, more particularly to it is a kind of have radar infrared stealth integrate multiplex stealth tarpaulin and
Its preparation method.
Background technology
With the fast development of military Detection Techniques and precision guided weapon, various military targets such as guided missile, tank, aircraft
Deng increasing by the probability of enemy army's fast track, strike, on the battlefield in future, the survival ability and weapon of military target dress
Standby penetration ability is by unprecedented challenge, and stealth technology then turns into the unique technical means for solving problem above.
Stealth technology is stealthy including radar invisible, infrared stealth, laser camouflage, visible light stealth, sound wave, current stealthy skill
The main research and development object of art is radar invisible and infrared stealth, and by centralized integrated, accomplish " thin light wide strong "
Stealthy tarpaulin is the ideal mode for meeting requirements above, as patent CN101995187A disclose it is a kind of red
Outside, stealthy tarpaulin of radar novel all-in-one and preparation method thereof, stealthy tarpaulin include infrared stealth layer, tarpaulin layer, and radar wave is inhaled
Receive damping layer, antistatic bottom, the coating and the magnetic control of coating surface that wherein infrared stealth layer is painted by infrared stealth coating
Sputtering ito thin film is combined, and thunderstorm activity damping layer is by being adsorbed with Nano graphite powder, ferromagnetic oxide powder and polycrystalline iron fiber
The polyurethane foam composition of mixture.This stealthy tarpaulin is all higher than 5dB, and mechanical property in the radar wave attenuation of S, C, X, Ku wave band
Can be good, and density is relatively low.Patent CN203876323U discloses a kind of stealthy protective fabric of function, including base fabric, have every
The moisture-penetrable ventilated layer of hot function, antibiotic layer, compatible radar and infrared stealth layer and waterproof layer；Described compatible radar and infrared
The surface of stealthy layer be coated with Thickness level compound organic conductive membrane layer, although above-mentioned material can realize simultaneously it is infrared
The multiple functions such as radar invisible, but the function number of plies is more, not only preparation process is grown, and preparation technology is complicated, and each component material exists
Skewness in microwave absorbing coating, surface density is uneven, and coating surface is easily etched, or even comes off, and causes tarpaulin stealthy
The forfeiture of function.
The content of the invention
It is an object of the invention to provide a kind of radar infrared stealth to integrate multiplex stealth tarpaulin and preparation method thereof.The tarpaulin
Structure level number is few, and radar is infrared, high temperature resistant, antistatic and anti-flaming function are concentrated, and mechanical strength is high, flexible, water-fastness, thoroughly
Gas, suture can be cut, it is convenient for production.
The present invention is that a kind of radar infrared stealth integrates multiplex stealth tarpaulin, and ecto-entad is followed successively by camouflage color layer, radar is inhaled
Infrared stealth layer and basic unit are bonded.The radar absorptive layer formed by silicon carbide fibre cloth and polyaniline In-situ reaction and
Into, silicon carbide fibre not only possesses the performances such as resistance to high temperature oxidation, creep resistant, high-strength and high-modulus, radiation hardness, but also with suction baud
Property, polyaniline is a kind of conduction high polymer, has and inhales ripple and antistatic dual-use function.The infrared stealth coating is by infrared stealth
Coating coating forms, and can effectively absorb heat caused by radar-wave absorbing, effectively reduces infrared emission frequency；Each layer passes through
Bonding is compound.
Specifically the technical scheme is that：A kind of radar infrared stealth integrates multiplex stealth tarpaulin, described integrated
Multiplex stealth tarpaulin ecto-entad is followed successively by camouflage color layer, radar infrared stealth layer and basic unit and is bonded, and the radar is infrared hidden
Barrel layers include radar invisible layer and infrared stealth coating, and the radar invisible layer is in situ by silicon carbide fibre plain and polyaniline
It is combined, the infrared stealth coating is formed by infrared stealth coating coating；Each layer is compound by bonding；The radar is red
The thickness of outer stealthy layer is 0.6~1.0mm.
It is preferred that radar infrared stealth integrates the infrared stealth coating of multiplex stealth tarpaulin by film forming matter, reflection filler, accumulation of heat
It is incubated microcapsules, solvent composition.Film forming matter accounts for 30%~40% in Infrared stealthy materials, and reflection condiment accounts for 45%~60%, stores
Heat insulation microcapsules account for 10~15%.
It is preferred that the camouflage color layer that radar infrared stealth integrates multiplex stealth tarpaulin includes waterproof ventilative layer and camouflage painting.
It is preferred that it is acrylic resin or poly- that radar infrared stealth, which is integrated between each layer of multiplex stealth tarpaulin by binding agent,
Urethane.
It is preferred that the basic unit that radar infrared stealth integrates multiplex stealth tarpaulin is the highly dense polyester fiber cloth of matt.
It is preferred that the fine red cloth of carborundum that radar infrared stealth integrates multiplex stealth tarpaulin is put down for 2.5~3.0D of broadwise enhancing
Pattern fabric structure, volume content are 45%~55%.
As a general thought, present invention also offers the preparation side that a kind of radar infrared stealth integrates multiplex stealth tarpaulin
Method, comprise the following steps：
(1) silicon carbide fibre is woven into broadwise enhancing plain using four step rule 3 D stereo weave；
(2) configuration concentration of aniline be 1~3mol/L, and ammonium persulfate concentrations are 1~3mol/L, inorganic acid concentration for 2~
4mol/L mixed solution, silicon carbide fibre plain is immersed in mixed solution according to 1: 30 bath raio, stirred, polymerization is anti-
Answer taking-up pure water, drying, rolloff after 30~60min, pick-up 70~90%；
(3) radar invisible layer is prepared：It is 1~3mol/L that silicon carbide fibre compound fabric containing polyaniline is immersed into concentration
Taken out in hydrochloric acid solution, after 30~60min and use pure water, drying, it is compound to obtain the silicon carbide fibre containing electrically conductive polyaniline
Fabric, the silicon carbide fibre compound fabric are the radar invisible layer, have radar invisible, antistatic, high temperature resistant and fire-retardant
Characteristic；
(4) in the radar invisible layer trypsin method infrared stealth layer：Infrared stealth coating viscosity is adjusted to 16~25s,
Then being sprayed with spray gun, 80~150 microns of infrared coating thickness, solvent volatilizees after 20~40min, absorbing material solidification,
Uniform infrared stealth coating is formed, waterproof ventilated membrane is then bonded in by using polyurethane by the infrared stealth coating
On, so as to obtain the radar infrared stealth layer；
(5) will be bonded between the radar infrared stealth layer and basic unit with acrylic resin；
(6) will be bonded between the radar infrared stealth layer and the camouflage color layer with acrylic resin.
It is preferred that the inorganic acid that radar infrared stealth integrates in the preparation method of multiplex stealth tarpaulin is nitric acid, hydrochloric acid.
It is red to the radar prepared using this method according to GJB 2038A-2011 radar absorbings reflectivity test methods
Outer stealthy integrated multiplex stealth tarpaulin is tested, the results showed that there is more than -8dB reflectivity in 4-12GHz, be up to -
34.3dB。
The present invention is advantageous in that：The tarpaulin has a three-decker, respectively camouflage color layer, radar infrared stealth layer,
Basic unit, radar infrared stealth layer also have antistatic, high temperature resistant, fire-retardant effect, and tarpaulin overall structure is simple, mechanical strength
It is high, flexible, it is water-fastness, breathe freely, suture can be cut, it is convenient for production.Modern weapons equipment truck-mounted missile, tank, flight can be achieved
Stealthy, the existence of raising weaponry, the prominent anti-and deep strike ability of device.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention.
Embodiment
Presently preferred embodiments of the present invention is described in detail below in conjunction with the accompanying drawings, so that advantages and features of the invention energy
It is enough to be more fully understood by those skilled in the art, and clearer define is made to protection scope of the present invention.
Embodiment 1
A kind of radar infrared stealth integrates multiplex stealth tarpaulin, and ecto-entad is followed successively by camouflage color layer (1), radar infrared stealth
Layer (2) and basic unit (3).Radar infrared stealth layer includes silicon carbide fibre cloth and polyaniline composite bed and infrared stealth coating, its
Gross thickness is 0.6mm.Film forming matter accounts for 30%% in Infrared stealthy materials, and reflection condiment accounts for 60%, and heat storing and heat preserving microcapsules account for
10% camouflage color layer includes waterproof ventilated membrane and pattern paint camouflage coating, and basic unit is the highly dense polyester fiber cloth of matt.According to GJB
2038A-2011 radar absorbings reflectivity test method integrates compound hidden to the radar infrared stealth prepared using this method
Body tarpaulin is tested, the results showed that in the reflectivity that 3.8~12.5GHz has more than -8dB, is up to -34.3dB.
Specific preparation method comprises the following steps：
(1) broadwise enhancing 2.5D plains are woven into using four step rule 3 D stereo knitting skill prize silicon carbide fibre.Body
Product content 45%
(2) configuration concentration of aniline is 1mol/L, and ammonium persulfate concentrations 1mol/L, inorganic acid concentration is 2mol/L mixing
Solution, silicon carbide fibre plain is immersed in mixed solution according to 1: 20 bath raio, quick stirring, polymerisation 60min
Take out afterwards with pure water, drying, rolloff, pick-up 80%.
(3) it is in 1mol/L hydrochloric acid solutions, after 60min the silicon carbide fibre compound fabric containing polyaniline to be immersed into concentration
Taking-up pure water, drying, the silicon carbide fibre compound fabric containing electrically conductive polyaniline is obtained, the compound fabric has radar
Stealthy, antistatic, high temperature resistant and flame-retarding characteristic.
(4) infrared stealth layer is sprayed in compound fabric, infrared stealth coating viscosity is adjusted to 20s, then entered with spray gun
Row spraying, about 120 microns of infrared coating thickness, solvent volatilizees after 30min, absorbing material solidification, obtains uniform infrared stealth and applies
Layer.
(5) bonded between compound fabric infrared layer and basic unit with acrylic resin.
(6) bonded between composite radar-wave absorbing layer and waterproof ventilated membrane with polyurethane, and waterproof ventilated membrane surface applies
It is covered with pattern paint camouflage layer.
It is preferred that the inorganic acid that radar infrared stealth integrates in the preparation method of multiplex stealth tarpaulin is nitric acid, hydrochloric acid.
Embodiment 2
A kind of radar infrared stealth integrates multiplex stealth tarpaulin, and ecto-entad is followed successively by camouflage color layer (1), radar infrared stealth
Layer (2) and basic unit (3).Radar infrared stealth layer includes silicon carbide fibre cloth and polyaniline composite bed and infrared stealth coating, thunder
Thickness up to infrared stealth layer is 1.0mm.Film forming matter accounts for 40% in Infrared stealthy materials, and reflection condiment accounts for 45%%, and accumulation of heat is protected
Warm microcapsules account for 15%.Camouflage color layer includes waterproof ventilated membrane and pattern paint camouflage coating, and basic unit is the highly dense polyester fiber cloth of matt.Root
The radar infrared stealth prepared using this method is integrated according to GJB 2038A-2011 radar absorbings reflectivity test methods
Multiplex stealth tarpaulin is tested, the results showed that in the reflectivity that 4.0~12.3GHz has more than -8dB, is up to -33.9dB.
Specific preparation method comprises the following steps：
(1) broadwise enhancing 3.0D plains are woven into using four step rule 3 D stereo knitting skill prize silicon carbide fibre.Body
Product content 52%
(2) configuration concentration of aniline is 1.5mol/L, and ammonium persulfate concentrations 1.5mol/L, inorganic acid concentration is 3mol/L's
Mixed solution, silicon carbide fibre plain is immersed in mixed solution according to 1: 25 bath raio, quick stirring, polymerisation
Taken out after 60min with pure water, drying, rolloff, pick-up 75%.
(3) it is in 1mol/L hydrochloric acid solutions, after 60min the silicon carbide fibre compound fabric containing polyaniline to be immersed into concentration
Taking-up pure water, drying, the silicon carbide fibre compound fabric containing electrically conductive polyaniline is obtained, the compound fabric has radar
Stealthy, antistatic, high temperature resistant and flame-retarding characteristic.
(4) infrared stealth layer is sprayed in compound fabric, infrared stealth coating viscosity is adjusted to 25s, then entered with spray gun
Row spraying, about 150 microns of infrared coating thickness, solvent volatilizees after 20min, absorbing material solidification, obtains uniform infrared stealth and applies
Layer.
(5) bonded between compound fabric infrared layer and basic unit with acrylic resin.
(6) bonded between composite radar-wave absorbing layer and waterproof ventilated membrane with polyurethane, and waterproof ventilated membrane surface applies
It is covered with pattern paint camouflage layer.
It is preferred that the inorganic acid that radar infrared stealth integrates in the preparation method of multiplex stealth tarpaulin is nitric acid, hydrochloric acid.
Embodiments of the invention are the foregoing is only, are not intended to limit the scope of the invention, it is all the present invention's
The within the protection domain of this patent. such as any modification, equivalent substitution and improvements done within principle and spirit.
Claims (7)
1. a kind of radar infrared stealth integrates the preparation method of multiplex stealth tarpaulin, it is characterised in that
It is viscous that the integrated multiplex stealth tarpaulin ecto-entad is followed successively by camouflage color layer (1), radar infrared stealth layer (2) and basic unit (3)
Conjunction forms, and the radar infrared stealth layer (2) includes radar invisible layer and infrared stealth coating, and the radar invisible layer is by being carbonized
Silica fibre plain is formed with polyaniline In-situ reaction, and the infrared stealth coating is formed by infrared stealth coating coating；Each layer
It is compound by bonding；The thickness of the radar infrared stealth layer is 0.6~1.0mm；
Described preparation method comprises the following steps：
(1) silicon carbide fibre is woven into broadwise enhancing plain using four step rule 3 D stereo weave；
(2) it is 1~3mol/L to configure concentration of aniline, and ammonium persulfate concentrations are 1~3mol/L, and inorganic acid concentration is 2~4mol/L
Mixed solution, silicon carbide fibre plain is immersed in mixed solution according to 1: 30 bath raio, stir, polymerisation 30~
Taken out after 60min with pure water, drying, rolloff, pick-up 70~90%；
(3) radar invisible layer is prepared：It is 1~3mol/L hydrochloric acid that silicon carbide fibre compound fabric containing polyaniline is immersed into concentration
Taken out in solution, after 30~60min and use pure water, drying, obtain the silicon carbide fibre compound fabric containing electrically conductive polyaniline,
The silicon carbide fibre compound fabric is the radar invisible layer, has radar invisible, antistatic, high temperature resistant and flame-retarding characteristic；
(4) in the radar invisible layer trypsin method infrared stealth coating：Infrared stealth coating viscosity is adjusted to 16~25s, so
Sprayed afterwards with spray gun, 80~150 microns of infrared stealth coating thickness, solvent volatilizees after 20~40min, and absorbing material is solid
Change, form uniform infrared stealth coating, waterproof ventilated membrane, which is then bonded in the infrared stealth, by using polyurethane applies
On layer, so as to obtain the radar infrared stealth layer (2)；
(5) the radar infrared stealth layer (2) is bonded between basic unit with binding agent；
(6) will be bonded between the radar infrared stealth layer (2) and the camouflage color layer (1) with binding agent.
2. preparation method according to claim 1, it is characterised in that inorganic acid is nitric acid or hydrochloric acid.
3. the radar infrared stealth that preparation method according to claim 1 or 2 is prepared integrates multiplex stealth paulin
Cloth, it is characterised in that：The infrared stealth coating is by system by film forming matter, reflection filler, heat storing and heat preserving microcapsules and solvent
It is standby and obtain；Wherein described film forming matter accounts for 30%~40wt%, and reflection filler accounts for 45%~60wt%, and the reflection filler
Accounting value does not include 60wt%, and heat storing and heat preserving microcapsules account for 10~15wt%, and wherein each component sum is 100wt%.
4. radar infrared stealth according to claim 3 integrates multiplex stealth tarpaulin, it is characterised in that the camouflage color layer bag
Include waterproof ventilative layer and camouflage painting.
5. radar infrared stealth according to claim 4 integrates multiplex stealth tarpaulin, it is characterised in that viscous between each layer
It is acrylic resin or polyurethane to tie agent.
6. radar infrared stealth according to claim 5 integrates multiplex stealth tarpaulin, it is characterised in that the basic unit is sub-
The highly dense polyester fiber cloth of light.
7. radar infrared stealth according to claim 6 integrates multiplex stealth tarpaulin, it is characterised in that silicon carbide fibre is put down
Line cloth is that broadwise strengthens 2.5~3.0D plain weave fabric structures, and volume content is 45%~55%.
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| CN201510390745.8A CN104990459B (en) | 2015-07-06 | 2015-07-06 | A kind of radar infrared stealth integrates multiplex stealth tarpaulin and preparation method thereof |
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| CN115966916B (en) * | 2022-12-30 | 2023-08-11 | 浙江盛发纺织印染有限公司 | Radar wave-absorbing material and production process thereof |
| CN117229665B (en) * | 2023-11-16 | 2024-02-23 | 北京航空航天大学 | A marine environment-resistant stealth material protection system based on inter-layer potential difference control |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB1314624A (en) * | 1971-04-06 | 1973-04-26 | Barracudaverken Ab | Radar camouflage |
| DE4023287C2 (en) * | 1990-07-21 | 1996-02-22 | Ploucquet C F Gmbh | Camouflage net |
| CN2771797Y (en) * | 2005-03-22 | 2006-04-12 | 济南中化纺科技开发有限公司 | Multi-wave-band camouflage concealed paulin |
| CN203869593U (en) * | 2014-03-28 | 2014-10-08 | 北京元恒大通科技有限公司 | Camouflage awning cloth with multiple frequency spectrums |
| CN104060474B (en) * | 2014-06-05 | 2015-12-02 | 常州大学 | Preparation method of stealth fabric with radar stealth and infrared stealth functions |
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