CN109054540A - A kind of preparation method of infrared absorbing material and the coating that can be used for infrared stealth - Google Patents

A kind of preparation method of infrared absorbing material and the coating that can be used for infrared stealth Download PDF

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CN109054540A
CN109054540A CN201810845267.9A CN201810845267A CN109054540A CN 109054540 A CN109054540 A CN 109054540A CN 201810845267 A CN201810845267 A CN 201810845267A CN 109054540 A CN109054540 A CN 109054540A
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infrared
absorbing material
added
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infrared absorbing
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CN109054540B (en
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章立兰
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JIANGSU HAOYUE PAINT CO Ltd
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    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D133/00Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
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    • C01FCOMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F17/00Compounds of rare earth metals
    • C01F17/20Compounds containing only rare earth metals as the metal element
    • C01F17/206Compounds containing only rare earth metals as the metal element oxide or hydroxide being the only anion
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    • C09D175/00Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
    • C09D175/04Polyurethanes
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    • C09DCOATING 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
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/32Radiation-absorbing paints
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    • C09DCOATING 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
    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20Oxides; Hydroxides
    • C08K3/22Oxides; Hydroxides of metals
    • C08K2003/221Oxides; Hydroxides of metals of rare earth metal
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    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend

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Abstract

The present invention provides a kind of preparation method of infrared absorbing material and can be used for the coating of infrared stealth, it is related to infrared absorbing material field, specifically the preparation method comprises the following steps: by samaric nitrate, glycine is added in container, add distilled water and dispersing agent, after ultrasonic disperse 40-60min, add yttrium nitrate aqueous solution, continue ultrasonic disperse 40-60min, precipitating reagent is added dropwise in 60-70 DEG C of water-bath heat preservation dropwise, it is retransferred after reaction 4-8h and carries out high-temperature calcination in Muffle furnace, calcination temperature is 1000-1050 DEG C, it takes out and is ground after calcining, cross 800 meshes, it can be very good to absorb human body or the extraneous infrared ray emitted;And infrared absorbing material of the present invention is evenly distributed in infrared stealth coating, and paint adhesion is good, and infrared emittance is low, and every mechanical performance reaches requirement, has broad application prospects.

Description

A kind of preparation method of infrared absorbing material and the coating that can be used for infrared stealth
Technical field
The present invention relates to infrared absorbing material fields, and in particular to the preparation method of a kind of infrared absorbing material and can Coating for infrared stealth.
Background technique
The laws such as the refraction for following visible light, reflection, absorption and scattering are propagated in infrared radiation in an atmosphere, have light General physical characteristic, its transmission capacity in an atmosphere is related with the content of water in atmosphere and carbon dioxide.
When object launches outward infra-red radiation, water and carbon dioxide in atmosphere will absorb the radiation of certain wave band, and make The infrared radiation signal of this wave band is decayed.Non-absorbent wave band passes through atmosphere undampedly, and such wave band is referred to as atmosphere Window.
Infrared atmospheric window mouth is divided into 4, be respectively near-infrared (0.76~3 μm), in infrared (3~5 μm), far infrared (8~ 14 μm) and super far infrared (15~1000 μm), atmospheric window relative transparent in first three wave band, super far infrared band is substantially not Transparent, the service band of infrared detector is mainly for first three atmospheric window, therefore the exploitation of infrared stealth coating is also answered It is carried out for these three atmospheric windows.
Infrared stealth coating is mysterious a member of coating family.It is not " stealthy " in science fiction works, but military Term middle finger controls the observability of target or controls the combination of the skill and technology of target signature signal.
Because the reason of according to statistics, aircraft loses 80-90% in air battle is since aircraft is observed.Reduce platform features letter Number, the probability of detected identification, tracking is just reduced, thus survival ability can be improved, reduce platform features signal not only It is to tackle radar detection, further includes reducing a possibility that being found by other detection devices.
About the development of infrared stealth coating, there are reports both at home and abroad.The sheet that diameter is 70 μm by American scholar Aluminium is doped in inorganic phosphate adhesive, obtains a kind of stealthy paint of low-launch-rate heat, which emits in 10.6 μm of spectrum regions Rate is only 0.18.
The hot invisible coating of Du Fei-Di Tanning company of Britain production almost adapts to any desired infrared reflectivity.
A kind of semiconductor has been invented by certain German company, can carry out effective multispectral camouflage, has low hair in infrared band Rate is penetrated, there is high-absorbility in high frequency band.
The country developed with infrared stealth coating being developed can be divided by ingredient it is following several: powder resin type control Warm coating, metal powder resin type infrared stealth coating, low transmitting multi-layer film type inorganic, metal oxide class infrared stealth coating, Metal ultra-fine powder material and use metal oxide as coating type Infrared stealthy materials of resin additive etc..
The infrared stealth coating studied at present is mostly solvent type, but solvent based coating inconvenient, seriously polluted, water Property coating necessarily following development trend.The country rarely has the report to aqueous infrared stealth coating material.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of preparation method of infrared absorbing material and can be used for red Outer stealthy coating.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs:
A kind of preparation method of infrared absorbing material, the preparation method comprises the following steps: samaric nitrate, glycine are added in container, Distilled water and dispersing agent are added, yttrium nitrate aqueous solution is added in ultrasonic disperse, and after continuing ultrasonic disperse for a period of time, water-bath is protected Precipitating reagent is added dropwise in temperature, retransfers after reaction and carries out high-temperature calcination in Muffle furnace, is ground after taking-up, is sieved.
Further, samaric nitrate, glycine are added in container, add distilled water and dispersing agent, ultrasonic disperse 40- After 60min, yttrium nitrate aqueous solution is added, continues ultrasonic disperse 40-60min, precipitating is added dropwise in 60-70 DEG C of water-bath heat preservation dropwise Agent retransfers after reacting 4-8h and carries out high-temperature calcination in Muffle furnace, and calcination temperature is 1000-1050 DEG C, takes after calcining It is ground out, crosses 800 meshes.
Further, the samaric nitrate, glycine molar ratio be 5:3.
Further, the mass ratio of samaric nitrate, the gross mass of glycine and distilled water is 1:15-30.
Further, the dispersing agent can be in SRE-4010-100, YF-02, P-105, AKM-0531, OP-83RAT Any one.
Further, the mass concentration of the yttrium nitrate aqueous solution is 25-40%.
Further, the aqueous solution of urea that the precipitating reagent is concentrated ammonia liquor or mass concentration is 32.5%.
A kind of coating can be used for infrared stealth, including it is above-mentioned infrared absorbing material, water-based acrylic resin, aqueous poly- Urethane resin, nano-hollow ceramic microbead, dispersing agent 3218, NP-10, hydroxypropyl methyl cellulose.
Preparation method the following steps are included:
(1) water-based acrylic resin, waterborne polyurethane resin, infrared absorbing material are added in dispersion tank, 150- Nano-hollow ceramic microbead, dispersing agent 3218 and NP-10 are added after 200r/min dispersion 15min, with 400-500r/min's Revolving speed disperses 30min;
(2) hydroxypropyl methyl cellulose is added, paint viscosity is made to reach the requirement of spraying.
(3) beneficial effect
The present invention provides a kind of preparation method of infrared absorbing material and can be used for the coating of infrared stealth, have with It is lower the utility model has the advantages that
Existing research shows Sm before2O3As a kind of rare earth oxide, due to wherein Sm3+Special band structure, this Body just has and has strong absorption characteristic in far infrared wave strong point, and yttrium nitrate reacts to obtain alkali formula nitric acid with precipitating reagent in the present invention Yttrium, samaric nitrate is oxidant, glycine is reducing agent, and the two reaction product is decomposed under the conditions of high-temperature calcination, and Y can be obtained and mix Miscellaneous Sm2O3, it may be possible to due to Y3+Radius (0.089nm) be less than Sm3+(0.0958nm), so Y3+Being doped into has cation The Sm of defect2O3In structure, the conversion rates of samarium ion and oxonium ion can be suppressed, so that absorption infrared absorption frequency band is broadened, Xiang Jinhong The migration of external wave strong point, the infrared stealth coating made by infrared absorbing material of the present invention are steadily inhaled in 800nm-2500nm It receives, peak value can be very good the infrared ray for absorbing human body or extraneous transmitting in 1550nm;And infrared absorbing material of the present invention It being evenly distributed in infrared stealth coating, paint adhesion is good, and infrared emittance is low, and every mechanical performance reaches requirement, It has broad application prospects.
Detailed description of the invention
Fig. 1 is the SEM photograph of 1 coating of the embodiment of the present invention, and infrared absorbing material is infrared hidden as we can see from the figure It is evenly distributed in body coating, the two compatibility is good.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention, Technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is the present invention one Divide embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making Every other embodiment obtained, shall fall within the protection scope of the present invention under the premise of creative work.
Embodiment 1:
A kind of preparation method of infrared absorbing material, specifically: samaric nitrate 16.82g, glycine 2.25g are added to In container, distilled water 400ml and SRE-4010-100 2g is added, after ultrasonic disperse 45min, adding mass concentration is 30% yttrium nitrate aqueous solution 20ml, continues ultrasonic disperse 50min, and concentrated ammonia liquor 10ml, reaction is added dropwise in 65 DEG C of water-bath heat preservations dropwise It being retransferred after 6h and carries out high-temperature calcination in Muffle furnace, calcination temperature is 1000 DEG C, it takes out and is ground after calcining, mistake 800 meshes, can be obtained infrared absorbing material.
A kind of coating can be used for infrared stealth, including infrared absorbing material, water-based acrylic resin, aqueous polyurethane Resin, nano-hollow ceramic microbead, dispersing agent 3218, NP-10, hydroxypropyl methyl cellulose;
Preparation method the following steps are included:
(1) water-based acrylic resin, waterborne polyurethane resin, infrared absorbing material are added in dispersion tank, 200r/ Nano-hollow ceramic microbead, dispersing agent 3218 and NP-10 are added after min dispersion 15min, is dispersed with the revolving speed of 450r/min 30min;
(2) hydroxypropyl methyl cellulose is added, paint viscosity is made to reach the requirement of spraying.
The coating of made infrared stealth, in 800nm-2500nm smooth absorption, peak value is in 1550nm.
Embodiment 2:
A kind of preparation method of infrared absorbing material, specifically: samaric nitrate 16.82g, glycine 2.25g are added to In container, distilled water 600ml and YF-02 2g is added, after ultrasonic disperse 40min, add the nitric acid that mass concentration is 35% Yttrium aqueous solution 20ml continues ultrasonic disperse 50min, and 32.5% aqueous solution of urea 15ml is added dropwise in 70 DEG C of water-bath heat preservations dropwise, instead It answers to retransfer after 5h and carries out high-temperature calcination in Muffle furnace, calcination temperature is 1050 DEG C, it takes out and is ground after calcining, mistake 800 meshes, can be obtained infrared absorbing material.
A kind of coating can be used for infrared stealth, including infrared absorbing material, water-based acrylic resin, aqueous polyurethane Resin, nano-hollow ceramic microbead, dispersing agent 3218, NP-10, hydroxypropyl methyl cellulose;
Preparation method the following steps are included:
(1) water-based acrylic resin, waterborne polyurethane resin, infrared absorbing material are added in dispersion tank, 160r/ Nano-hollow ceramic microbead, dispersing agent 3218 and NP-10 are added after min dispersion 15min, is dispersed with the revolving speed of 500r/min 30min;
(2) hydroxypropyl methyl cellulose is added, paint viscosity is made to reach the requirement of spraying.
The coating of made infrared stealth, in 800nm-2500nm smooth absorption, peak value is in 1550nm.
Embodiment 3:
A kind of preparation method of infrared absorbing material, specifically: samaric nitrate 16.82g, glycine 2.25g are added to In container, distilled water 400ml and P-105 2g is added, after ultrasonic disperse 60min, add the nitric acid that mass concentration is 40% Yttrium aqueous solution 20ml, continues ultrasonic disperse 60min, and concentrated ammonia liquor 15ml is added dropwise dropwise, retransfers after reacting 8h for 60 DEG C of water-bath heat preservations Enter and carry out high-temperature calcination in Muffle furnace, calcination temperature is 1030 DEG C, takes out and is ground after calcining, crosses 800 meshes Obtain infrared absorbing material.
A kind of coating can be used for infrared stealth, including infrared absorbing material, water-based acrylic resin, aqueous polyurethane Resin, nano-hollow ceramic microbead, dispersing agent 3218, NP-10, hydroxypropyl methyl cellulose;
Preparation method the following steps are included:
(1) water-based acrylic resin, waterborne polyurethane resin, infrared absorbing material are added in dispersion tank, 160r/ Nano-hollow ceramic microbead, dispersing agent 3218 and NP-10 are added after min dispersion 15min, is dispersed with the revolving speed of 400r/min 30min;
(2) hydroxypropyl methyl cellulose is added, paint viscosity is made to reach the requirement of spraying.
The coating of made infrared stealth, in 800nm-2500nm smooth absorption, peak value is in 1550nm.
Embodiment 4:
A kind of preparation method of infrared absorbing material, specifically: samaric nitrate 16.82g, glycine 2.25g are added to In container, distilled water 300ml and AKM-0531 2g is added, after ultrasonic disperse 40min, adding mass concentration is 25% Yttrium nitrate aqueous solution 20ml continues ultrasonic disperse 40min, and 60 DEG C of water-baths keep the temperature and concentrated ammonia liquor 20ml is added dropwise dropwise, after reaction 4h again It being transferred in Muffle furnace and carries out high-temperature calcination, calcination temperature is 1000 DEG C, takes out and is ground after calcining, 800 meshes are crossed, Infrared absorbing material can be obtained.
A kind of coating can be used for infrared stealth, including infrared absorbing material, water-based acrylic resin, aqueous polyurethane Resin, nano-hollow ceramic microbead, dispersing agent 3218, NP-10, hydroxypropyl methyl cellulose.
Preparation method the following steps are included:
(1) water-based acrylic resin, waterborne polyurethane resin, infrared absorbing material are added in dispersion tank, 150r/ Nano-hollow ceramic microbead, dispersing agent 3218 and NP-10 are added after min dispersion 15min, is dispersed with the revolving speed of 400r/min 30min;
(2) hydroxypropyl methyl cellulose is added, paint viscosity is made to reach the requirement of spraying.
The coating of made infrared stealth, in 800nm-2500nm smooth absorption, peak value is in 1550nm.
Embodiment 5:
A kind of preparation method of infrared absorbing material, specifically: samaric nitrate 16.82g, glycine 2.25g are added to In container, distilled water 600ml and OP-83RAT 2g is added, after ultrasonic disperse 60min, adding mass concentration is 40% Yttrium nitrate aqueous solution 20ml, continues ultrasonic disperse 60min, and 32.5% aqueous solution of urea is added dropwise in 70 DEG C of water-bath heat preservations dropwise It is retransferred after 15ml, reaction 8h and carries out high-temperature calcination in Muffle furnace, calcination temperature is 1050 DEG C, takes out and carries out after calcining 800 meshes are crossed in grinding.
A kind of coating can be used for infrared stealth, including infrared absorbing material, water-based acrylic resin, aqueous polyurethane Resin, nano-hollow ceramic microbead, dispersing agent 3218, NP-10, hydroxypropyl methyl cellulose;
Preparation method the following steps are included:
(1) water-based acrylic resin, waterborne polyurethane resin, infrared absorbing material are added in dispersion tank, 200r/ Nano-hollow ceramic microbead, dispersing agent 3218 and NP-10 are added after min dispersion 15min, is dispersed with the revolving speed of 500r/min 30min;
(2) hydroxypropyl methyl cellulose is added, paint viscosity is made to reach the requirement of spraying.
The coating of made infrared stealth, in 800nm-2500nm smooth absorption, peak value is in 1550nm.
Embodiment 6:
A kind of preparation method of infrared absorbing material, specifically: samaric nitrate 16.82g, glycine 2.25g are added to In container, distilled water 350ml and SRE-4010-100 2g is added, after ultrasonic disperse 55min, adding mass concentration is 35% yttrium nitrate aqueous solution 20ml, continues ultrasonic disperse 60min, and concentrated ammonia liquor 20ml, reaction is added dropwise in 65 DEG C of water-bath heat preservations dropwise It being retransferred after 8h and carries out high-temperature calcination in Muffle furnace, calcination temperature is 1000 DEG C, it takes out and is ground after calcining, mistake 800 meshes.
A kind of coating can be used for infrared stealth, including infrared absorbing material, water-based acrylic resin, aqueous polyurethane Resin, nano-hollow ceramic microbead, dispersing agent 3218, NP-10, hydroxypropyl methyl cellulose;
Preparation method the following steps are included:
(1) water-based acrylic resin, waterborne polyurethane resin, infrared absorbing material are added in dispersion tank, 180r/ Nano-hollow ceramic microbead, dispersing agent 3218 and NP-10 are added after min dispersion 15min, is dispersed with the revolving speed of 500r/min 30min;
(2) hydroxypropyl methyl cellulose is added, paint viscosity is made to reach the requirement of spraying.
The coating of made infrared stealth, in 800nm-2500nm smooth absorption, peak value is in 1550nm.
Embodiment 7:
A kind of preparation method of infrared absorbing material, specifically: samaric nitrate 16.82g, glycine 2.25g are added to In container, distilled water 500ml and OP-83RAT 2.5g is added, after ultrasonic disperse 55min, adding mass concentration is 40% Yttrium nitrate aqueous solution, continue ultrasonic disperse 50min, concentrated ammonia liquor 20ml is added dropwise dropwise, turns again after reacting 8h for 65 DEG C of water-baths heat preservation It moves into Muffle furnace and carries out high-temperature calcination, calcination temperature is 1000 DEG C, takes out and is ground after calcining, crosses 800 meshes.
A kind of coating can be used for infrared stealth, including infrared absorbing material, water-based acrylic resin, aqueous polyurethane Resin, nano-hollow ceramic microbead, dispersing agent 3218, NP-10, hydroxypropyl methyl cellulose;
Preparation method the following steps are included:
(1) water-based acrylic resin, waterborne polyurethane resin, infrared absorbing material are added in dispersion tank, 180r/ Nano-hollow ceramic microbead, dispersing agent 3218 and NP-10 are added after min dispersion 15min, is dispersed with the revolving speed of 500r/min 30min;
(2) hydroxypropyl methyl cellulose is added, paint viscosity is made to reach the requirement of spraying.
The coating of made infrared stealth, in 800nm-2500nm smooth absorption, peak value is in 1550nm.
Embodiment 8:
A kind of preparation method of infrared absorbing material, specifically: samaric nitrate 16.82g, glycine 2.25g are added to In container, distilled water 400ml and SRE-4010-100 2g is added, after ultrasonic disperse 60min, adding mass concentration is 33% yttrium nitrate aqueous solution 20ml continues ultrasonic disperse 60min, and it is 32.5% that mass concentration, which is added dropwise, in 65 DEG C of water-bath heat preservations dropwise Aqueous solution of urea 20ml, retransfer after reacting 5h and carry out high-temperature calcination in Muffle furnace, calcination temperature is 1020 DEG C, calcining knot It takes out and is ground after beam, cross 800 meshes.
A kind of coating can be used for infrared stealth, including infrared absorbing material, water-based acrylic resin, aqueous polyurethane Resin, nano-hollow ceramic microbead, dispersing agent 3218, NP-10, hydroxypropyl methyl cellulose;
Preparation method the following steps are included:
(1) water-based acrylic resin, waterborne polyurethane resin, infrared absorbing material are added in dispersion tank, 170r/ Nano-hollow ceramic microbead, dispersing agent 3218 and NP-10 are added after min dispersion 15min, is dispersed with the revolving speed of 430r/min 30min;
(2) hydroxypropyl methyl cellulose is added, paint viscosity is made to reach the requirement of spraying.
The coating of made infrared stealth, in 800nm-2500nm smooth absorption, peak value is in 1550nm.
Embodiment 9:
A kind of preparation method of infrared absorbing material, specifically: samaric nitrate 16.82g, glycine 2.25g are added to In container, distilled water 300ml and SRE-4010-100 2g is added, after ultrasonic disperse 60min, adding mass concentration is 38% yttrium nitrate aqueous solution 20ml, continues ultrasonic disperse 40min, and concentrated ammonia liquor 20ml, reaction is added dropwise in 70 DEG C of water-bath heat preservations dropwise It being retransferred after 6.5h and carries out high-temperature calcination in Muffle furnace, calcination temperature is 1000 DEG C, it takes out and is ground after calcining, mistake 800 meshes.
A kind of coating can be used for infrared stealth, including infrared absorbing material, water-based acrylic resin, aqueous polyurethane Resin, nano-hollow ceramic microbead, dispersing agent 3218, NP-10, hydroxypropyl methyl cellulose;
Preparation method the following steps are included:
(1) water-based acrylic resin, waterborne polyurethane resin, infrared absorbing material are added in dispersion tank, 180r/ Nano-hollow ceramic microbead, dispersing agent 3218 and NP-10 are added after min dispersion 15min, is dispersed with the revolving speed of 430r/min 30min;
(2) hydroxypropyl methyl cellulose is added, paint viscosity is made to reach the requirement of spraying.
The coating of made infrared stealth, in 800nm-2500nm smooth absorption, peak value is in 1550nm.
Embodiment 10:
A kind of preparation method of infrared absorbing material, specifically: samaric nitrate 16.82g, glycine 2.25g are added to In container, distilled water 600ml and AKM-0531 2g is added, after ultrasonic disperse 60min, adding mass concentration is 30% Yttrium nitrate aqueous solution 20ml, continues ultrasonic disperse 60min, and the urea that mass concentration is 32.5% is added dropwise in 68 DEG C of water-bath heat preservations dropwise It is retransferred after aqueous solution 20ml, reaction 4.5h and carries out high-temperature calcination in Muffle furnace, calcination temperature is 1040 DEG C, after calcining Taking-up is ground, and 800 meshes are crossed.
A kind of coating can be used for infrared stealth, including infrared absorbing material, water-based acrylic resin, aqueous polyurethane Resin, nano-hollow ceramic microbead, dispersing agent 3218, NP-10, hydroxypropyl methyl cellulose.
Preparation method the following steps are included:
(1) water-based acrylic resin, waterborne polyurethane resin, infrared absorbing material are added in dispersion tank, 200r/ Nano-hollow ceramic microbead, dispersing agent 3218 and NP-10 are added after min dispersion 15min, is dispersed with the revolving speed of 500r/min 30min;
(2) hydroxypropyl methyl cellulose is added, paint viscosity is made to reach the requirement of spraying.
The coating of made infrared stealth, in 800nm-2500nm smooth absorption, peak value is in 1550nm.
Embodiment 11:
A kind of preparation method of infrared absorbing material, specifically: samaric nitrate 16.82g, glycine 2.25g are added to In container, distilled water 400ml and SRE-4010-100 2g is added, after ultrasonic disperse 60min, adding mass concentration is 40% yttrium nitrate aqueous solution 20ml, continues ultrasonic disperse 40min, and concentrated ammonia liquor 20ml, reaction is added dropwise in 70 DEG C of water-bath heat preservations dropwise It being retransferred after 4h and carries out high-temperature calcination in Muffle furnace, calcination temperature is 1050 DEG C, it takes out and is ground after calcining, mistake 800 meshes.
A kind of coating can be used for infrared stealth, including infrared absorbing material, water-based acrylic resin, aqueous polyurethane Resin, nano-hollow ceramic microbead, dispersing agent 3218, NP-10, hydroxypropyl methyl cellulose;
Preparation method the following steps are included:
(1) water-based acrylic resin, waterborne polyurethane resin, infrared absorbing material are added in dispersion tank, 200r/ Nano-hollow ceramic microbead, dispersing agent 3218 and NP-10 are added after min dispersion 15min, is dispersed with the revolving speed of 440r/min 30min;
(2) hydroxypropyl methyl cellulose is added, paint viscosity is made to reach the requirement of spraying.
The coating of made infrared stealth, in 800nm-2500nm smooth absorption, peak value is in 1550nm.
Embodiment 12:
A kind of preparation method of infrared absorbing material, specifically: samaric nitrate 16.82g, glycine 2.25g are added to In container, distilled water 400ml and YF-02 2g is added, after ultrasonic disperse 50min, adding mass concentration is 25-40%'s Yttrium nitrate aqueous solution, continues ultrasonic disperse 50min, and concentrated ammonia liquor 20ml is added dropwise dropwise, turns again after reacting 7.5h for 65 DEG C of water-bath heat preservations It moves into Muffle furnace and carries out high-temperature calcination, calcination temperature is 1000 DEG C, takes out and is ground after calcining, crosses 800 meshes.
A kind of coating can be used for infrared stealth, including infrared absorbing material, water-based acrylic resin, aqueous polyurethane Resin, nano-hollow ceramic microbead, dispersing agent 3218, NP-10, hydroxypropyl methyl cellulose.
Preparation method the following steps are included:
(1) water-based acrylic resin, waterborne polyurethane resin, infrared absorbing material are added in dispersion tank, 200r/ Nano-hollow ceramic microbead, dispersing agent 3218 and NP-10 are added after min dispersion 15min, is dispersed with the revolving speed of 450r/min 30min;
(2) hydroxypropyl methyl cellulose is added, paint viscosity is made to reach the requirement of spraying.
The coating of made infrared stealth, in 800nm-2500nm smooth absorption, peak value is in 1550nm.
Performance evaluation:
The infrared energy total amount that usually an object releases is proportional to its temperature.One relatively small temperature Variation usually can bring the variation of a relatively large infrared energy.
Infrared energy is generated by the vibration of atom and molecule, and when object temperature is lower, these vibrations are opposite Relatively slow, the infrared of release can be also relatively small.When object temperature increases, infrared energy that the frequency of vibration increases and releases Total amount is consequently increased, and the wavelength of the energy of the frequency and generation of vibration has relationship.Frequency is higher, and wavelength is shorter.Generally for For most of materials, the frequency and wavelength for the wave that infrared energy issues be not fixed, curved distribution, in a model Enclose interior fluctuation.On any specific wavelength, the infrared of sending can all increase as the temperature increases.
Infrared thermal imager is a kind of sensor that can detect pole small temperature difference, and the temperature difference is converted into real time video image It shows.But can only see the hot outline of people and object, the true colors of object are not seen, as long as can control infrared emission Rate just can be reduced the risk being exposed under infrared thermal imager, achieve the purpose that infrared stealth, and the following table 1 is the embodiment of the present invention The coating of infrared stealth prepared by 1-5 brushes the infrared emittance contrast table on different substrate materials respectively.
Table 1:
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that There is also other identical elements in process, method, article or equipment including the element.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations;Although with reference to the foregoing embodiments Invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each implementation Technical solution documented by example is modified or equivalent replacement of some of the technical features;And these modification or Replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.

Claims (10)

1. a kind of preparation method of infrared absorbing material, which is characterized in that the preparation method comprises the following steps: samaric nitrate, glycine are added Into container, distilled water and dispersing agent are added, yttrium nitrate aqueous solution is added in ultrasonic disperse, continues ultrasonic disperse for a period of time Afterwards, precipitating reagent is added dropwise in water-bath heat preservation, retransfers after reaction and carries out high-temperature calcination in Muffle furnace, is ground after taking-up, is sieved.
2. the preparation method of infrared absorbing material as described in claim 1, which is characterized in that the preparation method comprises the following steps: by nitric acid Samarium, glycine are added in container, add distilled water and dispersing agent, after ultrasonic disperse 40-60min, add yttrium nitrate water Solution, continues ultrasonic disperse 40-60min, and precipitating reagent is added dropwise dropwise, retransfers after reacting 4-8h into horse for 60-70 DEG C of water-bath heat preservation High-temperature calcination is not carried out in furnace, calcination temperature is 1000-1050 DEG C, takes out and is ground after calcining, crosses 800 meshes.
3. the preparation method of infrared absorbing material as described in claim 1, which is characterized in that the samaric nitrate, glycine Molar ratio be 5:3.
4. the preparation method of infrared absorbing material as described in claim 1, which is characterized in that samaric nitrate, glycine it is total The mass ratio of quality and distilled water is 1:15-30.
5. the preparation method of infrared absorbing material as described in claim 1, which is characterized in that the dispersing agent can be Any one in SRE-4010-100, YF-02, P-105, AKM-0531, OP-83RAT.
6. the preparation method of infrared absorbing material as described in claim 1, which is characterized in that the yttrium nitrate aqueous solution Mass concentration is 25-40%.
7. the preparation method of infrared absorbing material as described in claim 1, which is characterized in that the precipitating reagent is concentrated ammonia liquor Or the aqueous solution of urea that mass concentration is 32.5%.
8. a kind of coating that can be used for infrared stealth, which is characterized in that including such as of any of claims 1-7 red Outside line absorbing material.
9. can be used for the coating of infrared stealth as claimed in claim 8, which is characterized in that further include water-based acrylic resin, Waterborne polyurethane resin, nano-hollow ceramic microbead, dispersing agent 3218, NP-10, hydroxypropyl methyl cellulose.
10. can be used for the coating of infrared stealth as claimed in claim 9, which is characterized in that preparation method the following steps are included:
(1) water-based acrylic resin, waterborne polyurethane resin, infrared absorbing material are added in dispersion tank, 150-200r/ Nano-hollow ceramic microbead, dispersing agent 3218 and NP-10 are added after min dispersion 15min, with the revolving speed of 400-500r/min point Dissipate 30min;
(2) hydroxypropyl methyl cellulose is added, paint viscosity is made to reach the requirement of spraying.
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