CN110345816B - Multilayer composite camouflage cloth with high heat inertia - Google Patents

Multilayer composite camouflage cloth with high heat inertia Download PDF

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Publication number
CN110345816B
CN110345816B CN201910641525.6A CN201910641525A CN110345816B CN 110345816 B CN110345816 B CN 110345816B CN 201910641525 A CN201910641525 A CN 201910641525A CN 110345816 B CN110345816 B CN 110345816B
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phase
coating
change
camouflage
wax
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CN110345816A (en
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何�雄
何欣怡
王娜
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Sichuan Hanglong Aviation Industrial Co ltd
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Sichuan Hanglong Aviation Industrial Co ltd
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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
    • C09D175/04—Polyurethanes
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D191/00—Coating compositions based on oils, fats or waxes; Coating compositions based on derivatives thereof
    • C09D191/06—Waxes
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
    • C23C14/14—Metallic material, boron or silicon
    • C23C14/16—Metallic material, boron or silicon on metallic substrates or on substrates of boron or silicon
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
    • C23C14/14—Metallic material, boron or silicon
    • C23C14/20—Metallic material, boron or silicon on organic substrates
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
    • C23C14/24—Vacuum evaporation
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/83—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with metals; with metal-generating compounds, e.g. metal carbonyls; Reduction of metal compounds on textiles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
    • F41H3/00—Camouflage, i.e. means or methods for concealment or disguise
    • F41H3/02—Flexible, e.g. fabric covers, e.g. screens, nets characterised by their material or structure
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
    • D06M2101/02—Natural fibres, other than mineral fibres
    • D06M2101/04—Vegetal fibres
    • D06M2101/06—Vegetal fibres cellulosic
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
    • D06M2101/16—Synthetic fibres, other than mineral fibres
    • D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M2101/32—Polyesters

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Wood Science & Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Laminated Bodies (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)

Abstract

The invention provides multilayer composite fake cloth with high thermal inertia, and relates to the field of fake materials. The multilayer composite fake cloth comprises a base cloth, phase change material coatings are arranged on two sides of the base cloth, one side, far away from the base cloth, of each phase change material coating is provided with a fake coating, and the other side, far away from the base cloth, of each phase change material coating is provided with a thermal infrared high-reflection coating. The infrared camouflage system has the technical effects that the camouflage system is suitable for camouflage requirements under different environments, can simultaneously realize near infrared and thermal infrared camouflage performances, and reduces the probability that a target is detected by an infrared detector.

Description

Multilayer composite camouflage cloth with high heat inertia
Technical Field
The invention belongs to the field of camouflage materials, and particularly relates to optical and thermal infrared compatible fake clothing.
Background
Military camouflage is an effective means for improving the survival capability of equipment and personnel battlefield and improving the overall operational efficiency of troops. From the wave band, the camouflage is divided into optical camouflage (comprising a visible light wave band of 380nm-760nm and a near infrared wave band of 760nm-1200nm), thermal infrared camouflage (3 mu m-5 mu m and 8 mu m-12 mu m), radar camouflage and the like. The camouflage fake cloth is the basis of the camouflage equipment, and the traditional fake cloth is only suitable for target camouflage in a visible light wave band (380nm-760nm), can only deal with reconnaissance of the visible light wave band and does not have camouflage performance of a near infrared wave band and a thermal infrared wave band. Aiming at the development and application of multi-band reconnaissance technologies such as optics, thermal infrared and the like on a battlefield, the development of camouflage fake cloth compatible with optics and thermal infrared is urgent.
There is a large difference between the infrared radiation characteristics of the natural background and the artificial material, and one reason is that the natural background contains water, which causes the natural background to have a large thermal inertia. The thermal inertia is a physical quantity which measures both the thermal inertia of the mass and the rate of heat transfer at the interface between the different media, and is expressed as a time lag before the thermal mass returns to thermal equilibrium with its surroundings, which is related to the energy exchange between the mass and the surroundings, and thus affects the temperature change of the mass and the infrared radiation characteristics. Under the same heating condition, the thermal inertia of the camouflage material or the material is usually smaller than that of the background where the camouflage material or the material is located, the temperature fluctuation is larger than that of the background in one day, and obvious temperature difference is easily formed between the camouflage material or the material and the background, so that the camouflage material or the material is easily detected by an infrared detector.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the multilayer composite fake cloth with high thermal inertia, simultaneously realize the near infrared and thermal infrared fake performance and meet the fake requirements of different environmental conditions.
In order to achieve the above purpose, the solution adopted by the invention is as follows:
the utility model provides a compound pseudo-dress cloth of multilayer of high heat inertia, includes the base cloth, the both sides of base cloth all are equipped with the phase change material coating, one of them one side that the base cloth was kept away from to the phase change material coating is equipped with the camouflage coating, and another one side that the base cloth was kept away from to the phase change material coating is equipped with hot infrared high reflection coating.
Preferably, the phase-change material coating comprises composite phase-change wax, an adhesive and a solvent, the composite phase-change wax comprises 5 ℃ phase-change wax, 10 ℃ phase-change wax, 15 ℃ phase-change wax, 20 ℃ phase-change wax, 25 ℃ phase-change wax and 30 ℃ phase-change wax, the adhesive is polyurethane resin or acrylate, and the solvent is one or more of dimethyl amide, toluene and xylene.
Preferably, the phase-change material coating comprises, by weight, 3% -8% of 5 ℃ phase-change wax, 8% -12% of 10 ℃ phase-change wax, 3% -8% of 15 ℃ phase-change wax, 8% -12% of 20 ℃ phase-change wax, 10% -15% of 25 ℃ phase-change wax, 3% -8% of 30 ℃ phase-change wax, 35% -60% of an adhesive and 1% -10% of a solvent.
Preferably, the camouflage coating is a green camouflage coating, or a soil camouflage coating, or a camouflage painting coating composed of the green camouflage coating and the soil camouflage coating.
Preferably, the thermal infrared high-reflection coating is prepared by a vacuum evaporation coating method.
Preferably, both sides of the base cloth are coated with phase change material coatings, one side of one phase change material coating, which is far away from the base cloth, is coated with a camouflage coating to obtain a primary fake cloth, and the step of preparing the thermal infrared high-reflection coating by vacuum evaporation coating comprises the steps of taking the primary fake cloth as a substrate, taking metal aluminum as a target material, plating an aluminum film on one side of the other phase change material coating, which is far away from the base cloth, and plating a protective layer on the aluminum film, wherein the protective layer is NiCr; the operating parameters of the vacuum evaporation coating method are as follows: 2.0X 10-3Pa-1.0×10-4Pa, Ar flow rate: 30Sccm, sputtering power: 500W, sputtering time: metallic aluminum for 15min, and NiCr for 5 min.
Preferably, the fabric of the base fabric is high-strength oxford fabric, polyester fabric or polyester blended fabric.
Preferably, the thickness of the phase-change material coating is 20um-30 um.
Preferably, the thickness of the aluminum film is 0.012um-0.015 um.
The invention has the beneficial effects that:
(1) the composite phase-change wax is composed of phase-change waxes with different phase-change temperatures, so that the fake cloth is kept in a certain temperature range under large environmental temperature fluctuation, the thermal inertia of the fake cloth is improved, the temperature difference between the fake cloth and the natural environment is reduced by utilizing the composite phase-change wax, and the infrared radiation intensity difference between the fake cloth and the natural environment is small;
(2) the thickness of the phase-change material coating is 20-30um, and the phase-change coating material has good phase-change effect and good flexibility, and the formed camouflage cloth is easy to coat; if the phase-change material coating is too thin, the phase-change effect is poor; if the coating is too thick, the flexibility of the camouflage cloth is poor, the coating is easy to fall off, and the service performance is poor;
(3) the metal film is plated on the phase-change material coating on the camouflage cloth through a vacuum evaporation coating method, the operation is easy, the film purity is high, the quality is good, the film forming rate is high, and meanwhile, the thickness of the metal film is 0.012um-0.015um, so that on one hand, the infrared reflection capability of the metal film is strong, and on the other hand, the metal film has strong adhesive force, good flexibility and rubbing resistance;
(4) and a NiCr layer is plated on the metal film to protect the aluminum film.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below. The examples, in which specific conditions are not specified, were conducted under conventional conditions or conditions recommended by the manufacturer. The reagents or instruments used are not indicated by the manufacturer, and are all conventional products available commercially.
The multilayer composite pseudo-clothing with high thermal inertia provided by the embodiment of the invention is specifically explained below.
Example 1
The utility model provides a compound pseudo-dress cloth of multilayer of high heat inertia, includes the base cloth, and the both sides of base cloth are equipped with the phase change material coating, and the outside of two phase change material coatings respectively is equipped with camouflage coating, the high anti-coating of thermal infrared.
The camouflage coating is composed of a green camouflage coating, the green camouflage coating comprises a pigment, an adhesive and a solvent, the pigment comprises chromium oxide green, chromium oxide yellow, titanium white, macromolecular red and high reflection black, the adhesive is polyurethane resin, the solvent is dimethylformamide, and the components comprise, by weight, 15% of chromium oxide green, 20% of chromium oxide yellow, 10% of titanium white, 0.2% of macromolecular red, 1% of high reflection black, 30% of polyurethane resin and 8% of dimethylformamide.
The preparation method of the green camouflage paint comprises the steps of uniformly mixing 15% of chromium oxide green, 11% of chromium oxide yellow, 10% of titanium dioxide, 0.2% of macromolecular red, 1% of high reflection black and 15% of polyurethane resin, adding 8% of dimethyl formamide, grinding the mixture in a three-roll grinder for 2 times, mixing the ground color paste and 15% of polyurethane resin, stirring in a high-speed dispersion machine for 10min at a stirring speed of 6000r/min, and stirring to obtain the green camouflage paint.
The phase-change material coating comprises composite phase-change wax, an adhesive and a solvent, wherein the composite phase-change wax comprises 5 ℃ phase-change wax, 10 ℃ phase-change wax, 15 ℃ phase-change wax, 20 ℃ phase-change wax, 25 ℃ phase-change wax and 30 ℃ phase-change wax, the adhesive is polyurethane resin, and the solvent is dimethylformamide. The adhesive comprises, by weight, 3% of 5 ℃ phase-change wax, 8% of 10 ℃ phase-change wax, 3% of 15 ℃ phase-change wax, 8% of 20 ℃ phase-change wax, 10% of 25 ℃ phase-change wax, 3% of 30 ℃ phase-change wax, 35% of an adhesive and 1% of a solvent. Wherein, the phase-change wax at 5 ℃, the phase-change wax at 10 ℃, the phase-change wax at 15 ℃, the phase-change wax at 20 ℃, the phase-change wax at 25 ℃ and the phase-change wax at 30 ℃ mean that the phase-change temperatures of the phase-change waxes are respectively 5 ℃, 10 ℃, 15 ℃, 20 ℃, 25 ℃ and 30 ℃. The thickness of the phase change material coating is 20 um.
The base cloth is high-strength oxford.
Coating phase-change material coatings on two sides of the base cloth, coating camouflage paint on one side of one phase-change material coating far away from the base cloth to obtain a primary pseudo-clothing, and coating a thermal infrared high-reflection coating on the primary pseudo-clothing by adopting a vacuum evaporation coating method. The primary fake cloth is used as a substrate, the metal aluminum is used as a target material, one side of the other layer of phase change material coating, which is far away from the base cloth, is plated with an aluminum film, the thickness of the aluminum film is 0.012um, and in order to improve the oxidation resistance of the aluminum film, a NiCr protective layer is additionally plated on the aluminum film.
The operating parameters of the vacuum evaporation coating method are as follows: 2.0X 10-3Pa, Ar flow rate: 30Sccm, sputtering power: 500W, sputtering time: metallic aluminum for 15min, and NiCr for 5 min.
Example 2
The utility model provides a compound pseudo-dress cloth of multilayer of high heat inertia, includes the base cloth, and the both sides of base cloth are equipped with the phase change material coating, and the outside of two phase change material coatings respectively is equipped with camouflage coating, the high anti-coating of thermal infrared.
The camouflage coating is composed of a green camouflage coating, the green camouflage coating comprises a pigment, an adhesive and a solvent, the pigment comprises chromium oxide green, chromium oxide yellow, titanium white, macromolecular red and high reflection black, the adhesive is polyurethane resin, the solvent is dimethylformamide, and the components comprise, by weight, 20% of chromium oxide green, 15% of chromium oxide yellow, 12% of titanium white, 0.4% of macromolecular red, 2% of high reflection black, 40% of polyurethane resin and 10% of dimethylformamide.
The preparation method of the green camouflage paint comprises the steps of uniformly mixing 20% of chromium oxide green, 15% of chromium oxide yellow, 12% of titanium dioxide, 0.4% of macromolecular red, 2% of high reflection black and 20% of polyurethane resin, adding 10% of dimethyl formamide, grinding the mixture in a three-roll grinder for 3 times, mixing the ground color paste and 20% of polyurethane resin, stirring in a high-speed dispersion machine for 15min at a stirring speed of 6000r/min, and stirring to obtain the green camouflage paint.
The phase-change material coating comprises composite phase-change wax, an adhesive and a solvent, wherein the composite phase-change wax comprises 5 ℃ phase-change wax, 10 ℃ phase-change wax, 15 ℃ phase-change wax, 20 ℃ phase-change wax, 25 ℃ phase-change wax and 30 ℃ phase-change wax, the adhesive is acrylate, and the solvent is toluene. The adhesive comprises, by weight, 5% of 5 ℃ phase-change wax, 10% of 10 ℃ phase-change wax, 5% of 15 ℃ phase-change wax, 10% of 20 ℃ phase-change wax, 12% of 25 ℃ phase-change wax, 5% of 30 ℃ phase-change wax, 45% of an adhesive and 5% of a solvent. Wherein, the phase-change wax at 5 ℃, the phase-change wax at 10 ℃, the phase-change wax at 15 ℃, the phase-change wax at 20 ℃, the phase-change wax at 25 ℃ and the phase-change wax at 30 ℃ mean that the phase-change temperatures of the phase-change waxes are respectively 5 ℃, 10 ℃, 15 ℃, 20 ℃, 25 ℃ and 30 ℃. The thickness of the phase change material coating is 25 um.
The base fabric is polyester fabric.
Coating phase-change material coatings on two sides of the base cloth, coating camouflage paint on one side of one phase-change material coating far away from the base cloth to obtain a primary pseudo-clothing, and coating a thermal infrared high-reflection coating on the primary pseudo-clothing by adopting a vacuum evaporation coating method. The primary fake cloth is used as a substrate, the metal aluminum is used as a target material, one side of the other layer of phase change material coating, which is far away from the base cloth, is plated with an aluminum film, the thickness of the aluminum film is 0.013um, and in order to improve the oxidation resistance of the aluminum film, a NiCr protective layer is additionally plated on the aluminum film.
The operating parameters of the vacuum evaporation coating method are as follows: above 2.0X 10-3Pa, Ar flow: 30Sccm, sputtering power: 500W, sputtering time: metallic aluminum for 15min, and NiCr for 5 min.
Example 3
The utility model provides a compound pseudo-dress cloth of multilayer of high heat inertia, includes the base cloth, and the both sides of base cloth are equipped with the phase change material coating, and the outside of two phase change material coatings respectively is equipped with camouflage coating, the high anti-coating of thermal infrared.
The camouflage coating is composed of a green camouflage coating, the green camouflage coating comprises a pigment, an adhesive and a solvent, the pigment comprises chromium oxide green, chromium oxide yellow, titanium white, macromolecular red and high reflection black, the adhesive is polyurethane resin, the solvent is dimethylformamide, and the components comprise, by weight, 24% of chromium oxide green, 20% of chromium oxide yellow, 15% of titanium white, 0.5% of macromolecular red, 5% of high reflection black, 50% of polyurethane resin and 15% of dimethylformamide.
The preparation method of the green camouflage paint comprises the steps of uniformly mixing 24% of chromium oxide green, 20% of chromium oxide yellow, 15% of titanium dioxide, 0.5% of macromolecular red, 5% of high reflection black and 25% of polyurethane resin, adding 15% of dimethyl formamide, grinding the mixture in a three-roll grinder for 3 times, mixing the ground color paste and 25% of polyurethane resin, stirring in a high-speed dispersion machine for 15min at a stirring speed of 6000r/min, and stirring to obtain the green camouflage paint.
The phase-change material coating comprises composite phase-change wax, an adhesive and a solvent, wherein the composite phase-change wax comprises 5 ℃ phase-change wax, 10 ℃ phase-change wax, 15 ℃ phase-change wax, 20 ℃ phase-change wax, 25 ℃ phase-change wax and 30 ℃ phase-change wax, the adhesive is polyurethane resin, and the solvent is dimethylbenzene. The adhesive comprises, by weight, 8% of 5 ℃ phase-change wax, 12% of 10 ℃ phase-change wax, 8% of 15 ℃ phase-change wax, 12% of 20 ℃ phase-change wax, 15% of 25 ℃ phase-change wax, 8% of 30 ℃ phase-change wax, 60% of an adhesive and 10% of a solvent. Wherein, the phase-change wax at 5 ℃, the phase-change wax at 10 ℃, the phase-change wax at 15 ℃, the phase-change wax at 20 ℃, the phase-change wax at 25 ℃ and the phase-change wax at 30 ℃ mean that the phase-change temperatures of the phase-change waxes are respectively 5 ℃, 10 ℃, 15 ℃, 20 ℃, 25 ℃ and 30 ℃. The thickness of the phase change material coating is 30 um.
The base cloth is polyester-cotton blended cloth.
Coating phase-change material coatings on two sides of the base cloth, coating camouflage paint on one side of one phase-change material coating far away from the base cloth to obtain a primary pseudo-clothing, and coating a thermal infrared high-reflection coating on the primary pseudo-clothing by adopting a vacuum evaporation coating method. The primary fake cloth is used as a substrate, the metal aluminum is used as a target material, one side of the other layer of phase change material coating, which is far away from the base cloth, is plated with an aluminum film, the thickness of the aluminum film is 0.015um, and in order to improve the oxidation resistance of the aluminum film, a NiCr protective layer is additionally plated on the aluminum film.
The operating parameters of the vacuum evaporation coating method are as follows: 4.0X 10-3Pa, Ar flow rate: 30Sccm, sputtering power: 500W, sputtering time: metallic aluminum for 15min, and NiCr for 5 min.
Example 4
The utility model provides a compound pseudo-dress cloth of multilayer of high heat inertia, includes the base cloth, and the both sides of base cloth are equipped with the phase change material coating, and the outside of two phase change material coatings respectively is equipped with camouflage coating, the high anti-coating of thermal infrared.
The camouflage coating is composed of an earth color camouflage coating, the earth color camouflage coating comprises a pigment, an adhesive and a solvent, the pigment comprises iron oxide red, iron oxide yellow, titanium white and phthalocyanine blue, the adhesive is polyurethane resin, the solvent is dimethylformamide, and the components comprise, by weight, 10% of iron oxide red, 18% of iron oxide yellow, 15% of titanium white, 1% of phthalocyanine blue, 38% of polyurethane resin and 12% of dimethylformamide.
The preparation method of the soil color camouflage coating comprises the steps of uniformly mixing 10% of iron oxide red, 18% of iron oxide yellow, 15% of titanium dioxide, 1% of phthalocyanine blue and 19% of polyurethane resin, adding 12% of dimethyl formamide, placing the mixture into a three-roll grinder to grind for 2 times, mixing the ground color paste with 19% of polyurethane resin, placing the mixture into a high-speed dispersion machine to stir for 10min at a stirring speed of 6000r/min, and stirring to obtain the soil color camouflage coating.
The phase-change material coating comprises composite phase-change wax, an adhesive and a solvent, wherein the composite phase-change wax comprises 5 ℃ phase-change wax, 10 ℃ phase-change wax, 15 ℃ phase-change wax, 20 ℃ phase-change wax, 25 ℃ phase-change wax and 30 ℃ phase-change wax, the adhesive is polyurethane resin, and the solvent is dimethylformamide. The adhesive comprises, by weight, 3% of 5 ℃ phase-change wax, 8% of 10 ℃ phase-change wax, 3% of 15 ℃ phase-change wax, 8% of 20 ℃ phase-change wax, 10% of 25 ℃ phase-change wax, 3% of 30 ℃ phase-change wax, 35% of an adhesive and 1% of a solvent. Wherein, the phase-change wax at 5 ℃, the phase-change wax at 10 ℃, the phase-change wax at 15 ℃, the phase-change wax at 20 ℃, the phase-change wax at 25 ℃ and the phase-change wax at 30 ℃ mean that the phase-change temperatures of the phase-change waxes are respectively 5 ℃, 10 ℃, 15 ℃, 20 ℃, 25 ℃ and 30 ℃. The thickness of the phase change material coating is 20 um.
The base cloth is high-strength oxford.
Coating phase-change material coatings on two sides of the base cloth, coating camouflage paint on one side of one phase-change material coating far away from the base cloth to obtain a primary pseudo-clothing, and coating a thermal infrared high-reflection coating on the primary pseudo-clothing by adopting a vacuum evaporation coating method. The primary fake cloth is used as a substrate, the metal aluminum is used as a target material, one side of the other layer of phase change material coating, which is far away from the base cloth, is plated with an aluminum film, the thickness of the aluminum film is 0.012um, and in order to improve the oxidation resistance of the aluminum film, a NiCr protective layer is additionally plated on the aluminum film.
The operating parameters of the vacuum evaporation coating method are as follows: above 2.0X 10-3Pa, Ar flow: 30Sccm, sputtering power: 500W, sputtering time: metallic aluminum for 15min, and NiCr for 5 min.
Example 5
The utility model provides a compound pseudo-dress cloth of multilayer of high heat inertia, includes the base cloth, and the both sides of base cloth are equipped with the phase change material coating, and the outside of two phase change material coatings respectively is equipped with camouflage coating, the high anti-coating of thermal infrared.
The camouflage coating is composed of an earth color camouflage coating, the earth color camouflage coating comprises a pigment, an adhesive and a solvent, the pigment comprises iron oxide red, iron oxide yellow, titanium white and phthalocyanine blue, the adhesive is polyurethane resin, the solvent is dimethylformamide, and the components comprise, by weight, 12% of iron oxide red, 19% of iron oxide yellow, 18% of titanium white, 1% of phthalocyanine blue, 38% of polyurethane resin and 24% of dimethylformamide.
The preparation method of the soil color camouflage coating comprises the steps of uniformly mixing 12% of iron oxide red, 19% of iron oxide yellow, 18% of titanium dioxide, 2% of phthalocyanine blue and 19% of polyurethane resin, adding 24% of dimethyl formamide, placing the mixture into a three-roll grinder to grind for 2 times, mixing the ground color paste with 19% of polyurethane resin, placing the mixture into a high-speed dispersion machine to stir for 10min at a stirring speed of 6000r/min, and stirring to obtain the soil color camouflage coating.
The phase-change material coating comprises composite phase-change wax, an adhesive and a solvent, wherein the composite phase-change wax comprises 5 ℃ phase-change wax, 10 ℃ phase-change wax, 15 ℃ phase-change wax, 20 ℃ phase-change wax, 25 ℃ phase-change wax and 30 ℃ phase-change wax, the adhesive is polyurethane resin, and the solvent is 60% of dimethylformamide and 40% of toluene. The adhesive comprises, by weight, 5% of 5 ℃ phase-change wax, 10% of 10 ℃ phase-change wax, 5% of 15 ℃ phase-change wax, 10% of 20 ℃ phase-change wax, 12% of 25 ℃ phase-change wax, 5% of 30 ℃ phase-change wax, 45% of an adhesive and 5% of a solvent. Wherein, the phase-change wax at 5 ℃, the phase-change wax at 10 ℃, the phase-change wax at 15 ℃, the phase-change wax at 20 ℃, the phase-change wax at 25 ℃ and the phase-change wax at 30 ℃ mean that the phase-change temperatures of the phase-change waxes are respectively 5 ℃, 10 ℃, 15 ℃, 20 ℃, 25 ℃ and 30 ℃. The thickness of the phase change material coating is 25 um.
The base fabric is polyester fabric.
Coating phase-change material coatings on two sides of the base cloth, coating camouflage paint on one side of one phase-change material coating far away from the base cloth to obtain a primary pseudo-clothing, and coating a thermal infrared high-reflection coating on the primary pseudo-clothing by adopting a vacuum evaporation coating method. The primary fake cloth is used as a substrate, the metal aluminum is used as a target material, one side of the other layer of phase change material coating, which is far away from the base cloth, is plated with an aluminum film, the thickness of the aluminum film is 0.013um, and in order to improve the oxidation resistance of the aluminum film, a NiCr protective layer is additionally plated on the aluminum film.
The operating parameters of the vacuum evaporation coating method are as follows: 7.0X 10-3Pa, Ar flow rate: 30Sccm, sputtering power: 500W, sputtering time: metallic aluminum for 15min, and NiCr for 5 min.
Example 6
The utility model provides a compound pseudo-dress cloth of multilayer of high heat inertia, includes the base cloth, and the both sides of base cloth are equipped with the phase change material coating, and the outside of two phase change material coatings respectively is equipped with camouflage coating, the high anti-coating of thermal infrared.
The camouflage coating is composed of an earth color camouflage coating, the earth color camouflage coating comprises a pigment, an adhesive and a solvent, the pigment comprises iron oxide red, iron oxide yellow, titanium white and phthalocyanine blue, the adhesive is polyurethane resin, the solvent is dimethylformamide, and the components comprise, by weight, 14% of iron oxide red, 20% of iron oxide yellow, 20% of titanium white, 2% of phthalocyanine blue, 40% of polyurethane resin and 40% of dimethylformamide.
The preparation method of the soil color camouflage coating comprises the steps of uniformly mixing 14% of iron oxide red, 20% of iron oxide yellow, 20% of titanium dioxide, 2% of phthalocyanine blue and 20% of polyurethane resin, adding 20% of dimethyl formamide, placing the mixture into a three-roll grinder to grind for 2 times, mixing the ground color paste with 20% of polyurethane resin, placing the mixture into a high-speed dispersion machine to stir for 10min at a stirring speed of 6000r/min, and stirring to obtain the soil color camouflage coating.
The phase-change material coating comprises composite phase-change wax, an adhesive and a solvent, wherein the composite phase-change wax comprises 5 ℃ phase-change wax, 10 ℃ phase-change wax, 15 ℃ phase-change wax, 20 ℃ phase-change wax, 25 ℃ phase-change wax and 30 ℃ phase-change wax, the adhesive is polyurethane resin, and the solvent is 60% of dimethylformamide, 25% of toluene and 15% of xylene. The adhesive comprises, by weight, 8% of 5 ℃ phase-change wax, 12% of 10 ℃ phase-change wax, 8% of 15 ℃ phase-change wax, 12% of 20 ℃ phase-change wax, 15% of 25 ℃ phase-change wax, 8% of 30 ℃ phase-change wax, 60% of an adhesive and 10% of a solvent. Wherein, the phase-change wax at 5 ℃, the phase-change wax at 10 ℃, the phase-change wax at 15 ℃, the phase-change wax at 20 ℃, the phase-change wax at 25 ℃ and the phase-change wax at 30 ℃ mean that the phase-change temperatures of the phase-change waxes are respectively 5 ℃, 10 ℃, 15 ℃, 20 ℃, 25 ℃ and 30 ℃. The thickness of the phase change material coating is 30 um.
The base cloth is polyester-cotton blended cloth.
Coating phase-change material coatings on two sides of the base cloth, coating camouflage paint on one side of one phase-change material coating far away from the base cloth to obtain a primary pseudo-clothing, and coating a thermal infrared high-reflection coating on the primary pseudo-clothing by adopting a vacuum evaporation coating method. The primary fake cloth is used as a substrate, the metal aluminum is used as a target material, one side of the other layer of phase change material coating, which is far away from the base cloth, is plated with an aluminum film, the thickness of the aluminum film is 0.015um, and in order to improve the oxidation resistance of the aluminum film, a NiCr protective layer is additionally plated on the aluminum film.
The operating parameters of the vacuum evaporation coating method are as follows: above 2.0X 10-3Pa, Ar flow: 30Sccm, sputtering power: 500W, sputtering time: metallic aluminum for 15min, and NiCr for 5 min.
Example 7
The utility model provides a compound pseudo-dress cloth of multilayer of high heat inertia, includes the base cloth, and the both sides of base cloth are equipped with the phase change material coating, and the outside of two phase change material coatings respectively is equipped with camouflage coating, the high anti-coating of thermal infrared.
The camouflage coating is composed of an earth color camouflage coating, the earth color camouflage coating comprises a pigment, an adhesive and a solvent, the pigment comprises iron oxide red, iron oxide yellow, titanium white and phthalocyanine blue, the adhesive is polyurethane resin, the solvent is dimethylformamide, and the components comprise, by weight, 14% of iron oxide red, 20% of iron oxide yellow, 20% of titanium white, 2% of phthalocyanine blue, 40% of polyurethane resin and 40% of dimethylformamide.
The preparation method of the soil color camouflage coating comprises the steps of uniformly mixing 14% of iron oxide red, 20% of iron oxide yellow, 20% of titanium dioxide, 2% of phthalocyanine blue and 20% of polyurethane resin, adding 20% of dimethyl formamide, placing the mixture into a three-roll grinder to grind for 2 times, mixing the ground color paste with 20% of polyurethane resin, placing the mixture into a high-speed dispersion machine to stir for 10min at a stirring speed of 6000r/min, and stirring to obtain the soil color camouflage coating.
The phase-change material coating comprises composite phase-change wax, an adhesive and a solvent, wherein the composite phase-change wax comprises 5 ℃ phase-change wax, 10 ℃ phase-change wax, 15 ℃ phase-change wax, 20 ℃ phase-change wax, 25 ℃ phase-change wax and 30 ℃ phase-change wax, the adhesive is polyurethane resin, and the solvent is 70% toluene and 30% xylene. The adhesive comprises, by weight, 8% of 5 ℃ phase-change wax, 12% of 10 ℃ phase-change wax, 8% of 15 ℃ phase-change wax, 12% of 20 ℃ phase-change wax, 15% of 25 ℃ phase-change wax, 8% of 30 ℃ phase-change wax, 60% of an adhesive and 10% of a solvent. Wherein, the phase-change wax at 5 ℃, the phase-change wax at 10 ℃, the phase-change wax at 15 ℃, the phase-change wax at 20 ℃, the phase-change wax at 25 ℃ and the phase-change wax at 30 ℃ mean that the phase-change temperatures of the phase-change waxes are respectively 5 ℃, 10 ℃, 15 ℃, 20 ℃, 25 ℃ and 30 ℃. The thickness of the phase change material coating is 30 um.
The base cloth is polyester-cotton blended cloth.
Coating phase-change material coatings on two sides of the base cloth, coating camouflage paint on one side of one phase-change material coating far away from the base cloth to obtain a primary pseudo-clothing, and coating a thermal infrared high-reflection coating on the primary pseudo-clothing by adopting a vacuum evaporation coating method. The primary fake cloth is used as a substrate, the metal aluminum is used as a target material, one side of the other layer of phase change material coating, which is far away from the base cloth, is plated with an aluminum film, the thickness of the aluminum film is 0.015um, and in order to improve the oxidation resistance of the aluminum film, a NiCr protective layer is additionally plated on the aluminum film.
The operating parameters of the vacuum evaporation coating method are as follows: 10-4Pa, Ar flow rate: 30Sccm, sputtering power: 500W, sputtering time: metallic aluminum for 15min, and NiCr for 5 min.
Example 8
This example is different from example 1 in that the camouflage coating is a camouflage spot camouflage coating composed of a green camouflage paint and a soil camouflage paint. The formation of the pattern spots is based on GJB 4004 and 2000 army equipment deformed pattern atlas.
The components, the proportions and the preparation method of the green camouflage paint are the same as those of the green camouflage paint in the example 1.
The components, the ratios and the preparation method of the soil color camouflage paint are the same as those of the soil color camouflage paint in the example 4.
Test method
It should be understood that although certain methods and apparatus are described below, any method or apparatus that one of ordinary skill in the art would determine is applicable may alternatively be employed.
Experimental example 1
Vacuum evaporation film experiment
The reflectance of the original-made fake cloth of different optical base cloth in the infrared band is measured by an AE radiometer, and the result of the measured hemispherical emissivity ε h is shown in Table 1.
TABLE 1 hemisphere emissivity of aluminized film on original false cloth of different optical base cloth
Numbering Primary fake cloth Film thickness (um) Emissivity
1 Brown primary false cloth 0 0.74
2 Brown primary false cloth coating film 0.013 0.44
3 White primary camouflage cloth 0 0.73
4 White primary camouflage cloth coating 0.013 0.40
5 Green primary fake cloth 0 0.84
6 Green primary-made fake cloth coating film 0.013 0.27
The result shows that the emissivity of the formed fake cloth is lower than that of the non-coated fake cloth on the fake cloth made of the base cloth with the same color after the coating process.
Experimental example 2
Camouflage efficiency analysis
At present, the camouflage effect of the camouflage cloth can be judged through the proximity degree of the camouflage target and the background, and quantitative analysis can be carried out through the index of camouflage efficiency.
The infrared camouflage efficiency is that in a certain period of time, the apparent temperature difference between the camouflage target and the background is less than the time percentage gamma of a certain temperature difference delta T:
Figure BDA0002132055150000131
wherein: Δ T is the apparent temperature difference between the target and the background; delta T0To achieve a camouflaged limit temperature difference. Delta T0Is a value set artificially, and different delta T can be set according to different camouflage requirements0Values, e.g. according to the provisions of the relevant standards,. DELTA.T0Three different grades of 4, 7 and 10 can be taken, and if the value exceeds the value, the delta T is considered to be0The target has no camouflage effect.
The multilayer composite false cloth and the common false cloth obtained in example 1 were used as experimental subjects. With outdoor natural environment as background, 6 months and 10 days in 2019, the environment is clear and cloudy, breeze, the highest environment temperature is 30.5 ℃, and the lowest environment temperature is 18.7 ℃.
The camouflage efficiency of the multilayer composite fake clothing and the common fake clothing is shown in the table 2.
TABLE 2 camouflage efficiency of different camouflage cloths
Figure BDA0002132055150000141
It can be seen that: when Δ T0When the value is large, the camouflage efficiency of the same sample is high in different time periods, which is caused by the fact that the artificially set limit temperature difference is high; when Δ T0When the temperature is set to be 4 ℃, the camouflage efficiency of the multilayer composite fake cloth is higher than that of the common fake cloth in the daytime and at night, because the phase change material layer can regulate and control the temperature difference of the multilayer composite fake cloth in different time periods, the temperature adaptability is better, the apparent temperature of the multilayer composite fake cloth is close to that of the background, namely, the camouflage efficiency is high, the difference between the infrared emissivity of the multilayer composite fake cloth and the infrared emissivity of the background is controlled to be minimum, therefore, the multilayer composite fake cloth achieves the purpose of camouflage, and benefits from the combination proportion of the phase change wax with different phase change temperatures in the composite phase change wax.
In conclusion, the multilayer composite pseudo-cloth with high heat inertia is formed by combining the base cloth, the phase-change material coating, the camouflage coating and the thermal infrared high-reflection coating, and the camouflage coating can be matched according to different components in the green camouflage coating and the soil camouflage coating and is suitable for camouflage requirements under different environments; the high-thermal-inertia multilayer composite fake cloth can simultaneously realize near infrared and thermal infrared camouflage performances; the multilayer composite fake cloth has lower temperature difference with the background environment, so that the probability that the target is detected by the infrared detector is reduced; the thickness of the phase-change material coating is 20-30um, the phase-change coating material has good phase-change effect and good flexibility, and the formed camouflage cloth is easy to be coated; if the phase-change material coating is too thin, the phase-change effect is poor; if the coating is too thick, the flexibility of the camouflage cloth is poor, the coating is easy to fall off, and the service performance is poor; the metal film is plated on the phase-change material coating on the camouflage cloth through a vacuum evaporation coating method, the operation is easy, the film purity is high, the quality is good, the film forming rate is high, and meanwhile, the thickness of the metal film is 0.012um-0.015um, so that on one hand, the infrared reflection capability of the metal film is strong, and on the other hand, the metal film has strong adhesive force, good flexibility and rubbing resistance; and a NiCr layer is plated on the metal film to protect the aluminum film.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. 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 (7)

1. The multilayer composite fake cloth with high thermal inertia is characterized by comprising base cloth, wherein phase change material coatings are arranged on two sides of the base cloth, one side, far away from the base cloth, of one phase change material coating is provided with a fake coating, and one side, far away from the base cloth, of the other phase change material coating is provided with a thermal infrared high-reflection coating;
the phase-change material coating comprises composite phase-change wax, an adhesive and a solvent, wherein the composite phase-change wax comprises 5 ℃ phase-change wax, 10 ℃ phase-change wax, 15 ℃ phase-change wax, 20 ℃ phase-change wax, 25 ℃ phase-change wax and 30 ℃ phase-change wax, the adhesive is polyurethane resin or acrylate, and the solvent is one or more of dimethyl amide, toluene and xylene;
the phase-change material coating comprises, by weight, 3% -8% of 5 ℃ phase-change wax, 8% -12% of 10 ℃ phase-change wax, 3% -8% of 15 ℃ phase-change wax, 8% -12% of 20 ℃ phase-change wax, 10% -15% of 25 ℃ phase-change wax, 3% -8% of 30 ℃ phase-change wax, 35% -60% of an adhesive and 1% -10% of a solvent.
2. The multilayer composite false cloth with high heat inertia according to claim 1, wherein the camouflage coating is a green camouflage coating, an earth camouflage coating, or a camouflage color camouflage coating consisting of the green camouflage coating and the earth camouflage coating.
3. A high thermal inertia multilayer composite pseudo-clothing according to any one of claims 1 to 2, wherein the thermal infrared high reflection coating is prepared by vacuum evaporation coating.
4. The multilayer composite pseudo-clothing with high heat inertia according to claim 3, wherein both sides of the base cloth are coated with the phase-change material coating, one side of the phase-change material coating away from the base cloth is coated with the pseudo-coating to obtain a primary pseudo-clothing, and the step of preparing the thermal infrared high-reflection coating by vacuum evaporation coating comprises the steps of taking the primary pseudo-clothing as a substrate, taking the metal aluminum as a target material, and plating one side of the phase-change material coating away from the base clothCoating an aluminum film, and then plating a protective layer on the aluminum film, wherein the protective layer is NiCr, and the operating parameters of the vacuum evaporation coating method are as follows: 2.0X 10-3Pa-1.0×10-4Pa, Ar flow rate: 30Sccm, sputtering power: 500W, sputtering time: metallic aluminum for 15min, and NiCr for 5 min.
5. The multilayer composite pseudo-clothing with high heat inertia according to claim 4, wherein the fabric of the base fabric is selected from high-strength oxford fabric, polyester fabric or polyester blended fabric.
6. A high thermal inertia multilayer composite pseudo-clothing according to claim 5, wherein the phase change material coating is 20um to 30um thick.
7. A high thermal inertia multilayer composite false cloth according to claim 6, wherein the thickness of the aluminum film is 0.012um-0.015 um.
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