CN108219663B - Containing the hud typed electric-controlled intelligent wave-absorbing coating material for inhaling wave particle - Google Patents
Containing the hud typed electric-controlled intelligent wave-absorbing coating material for inhaling wave particle Download PDFInfo
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- CN108219663B CN108219663B CN201810016494.0A CN201810016494A CN108219663B CN 108219663 B CN108219663 B CN 108219663B CN 201810016494 A CN201810016494 A CN 201810016494A CN 108219663 B CN108219663 B CN 108219663B
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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
- C09D175/14—Polyurethanes having carbon-to-carbon unsaturated bonds
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/30—Camouflage paints
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/32—Radiation-absorbing paints
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
Abstract
The present invention provides a kind of containing the hud typed electric-controlled intelligent wave-absorbing coating material for inhaling wave particle, the raw material of the wave-absorbing coating material includes following component by mass percentage: polyalcohol 14%-75%, hud typed suction wave particle 22%-80%, diisocyanate 1%-6.5%, stabilizer 0.1%-0.3%, and the above each raw material component total amount is 100%.Interaction, mutual cooperation of the present invention by each raw material component, cooperate reasonable preparation method, prepare the electric-controlled intelligent wave-absorbing coating material that high efficiency regulatory absorption frequency, bandwidth and intensity can be realized by electric field, it can be according to stealthy demand, realize the change of the movement and absorption intensity that absorb frequency range, it cannot be only used for consumer electronic device, can be also used for military field.
Description
Technical field
The present invention relates to absorbing material fields, and in particular to a kind of absorption peak frequency, frequency band and intensity can be by electric field tune
The electric-controlled intelligent wave-absorbing coating material containing hud typed suction wave particle of control.
Background technique
Absorbing material is that one kind can make incident electromagnetic wave enter material internal to the maximum extent, and can effectively inhale
It receives, converts it into the energy of the other forms such as thermal energy and a kind of function material for losing or electromagnetic wave being made to disappear by interference
Material.They have important application in electronic countermeasure technology, are a kind of effective measures of pseudo- counter radar.Simultaneously prevent it is various
It the leakage of electromagnetic wave source and is also widely used to human injury etc..But gradually with related fields research work
Deeply, traditional absorbing material performance room for promotion is smaller and smaller, shows as inhaling that wave frequency band is narrow, frequency range is single, cannot be according to electromagnetism
The change of wave frequency rate and the electromaganic wave absorbing property for adjusting itself, real-time, in terms of have significant limitation,
Do not have intelligence, is especially unable to satisfy the IT-based warfare quickly updated with electron detection technology.The height of weapon platform
Degree is information-based and electronic, keeps operational environment locating for aircraft, naval vessels etc. increasingly complicated, they are removed by ground or aerial firepower
Threaten and electronic interferences outside, also under the looking over one's shoulder of the detectors such as radar, infrared, laser.Therefore, it is necessary to develop out one
Kind wideband, operation and the existence energy that from the efficient controllable electromagnetic absorbing material of main regulation absorption band, can could improve itself
Power.
Summary of the invention
In view of this, the present invention provides a kind of electric-controlled intelligent wave-absorbing coating material containing hud typed suction wave particle；In poly- ammonia
Ester group electric current becomes on the basis of glue, and the intelligence that reflection loss is regulated and controled by electric field is realized by preparing specific hud typed suction wave particle
Energy absorbing material, while improving absorbing property.
Electric-controlled intelligent wave-absorbing coating material provided by the invention containing hud typed suction wave particle, the wave-absorbing coating material
Raw material includes following component by mass percentage: polyalcohol 14%-75%, hud typed suction wave particle 22%-80%, diisocyanate
Ester 1%-6.5%, stabilizer 0.1%-0.3%, the above each raw material component total amount are 100%；
Further, the hud typed suction wave particle is combined by barium titanate and carbonyl iron dust, using carbonyl iron dust as core, with
Barium titanate is shell；
Further, the carbonyl iron dust is spherical, and its average grain diameter is 5~8 μm；
Further, the hud typed preparation method for inhaling wave particle includes the following steps:
(1) aqueous solution of barium acetate is taken to be added in the aqueous isopropanol of butyl titanate, after being sufficiently stirred, adjusting pH is 3.0
~3.5, continue stirring later until forming colloidal sol；
(2) carbonyl iron dust is added to ultrasonic disperse 1h in the appropriate isopropanol of submergence carbonyl iron dust enough, then takes institute
The carbonyl iron dust obtained is added into step (1) in colloidal sol obtained, and 12h is sufficiently stirred, and processing is centrifuged later, and will
Processing obtained solid product air-dries at room temperature, then the product after air-drying is calcined in vacuum protection gas, can be prepared by carbonyl
The hud typed suction wave particle of iron powder@barium titanate；
Further, the aqueous isopropanol of the butyl titanate the preparation method comprises the following steps: butyl titanate is added to appropriate isopropyl
It is sufficiently stirred in alcohol, appropriate glacial acetic acid is then added and continues to stir, until solution becomes clarification；
The aqueous solution of barium acetate the preparation method comprises the following steps: barium acetate is taken to be added in appropriate amount of deionized water, be stirred well to
Barium acetate is to being completely dissolved；
Further, in the step (1), the molar ratio of butyl titanate and barium acetate is 1:1；
In the step (2), the mass volume ratio of carbonyl iron dust and colloidal sol is 4:1；
Further, the raw material of the wave-absorbing coating material includes following component by mass percentage: polyalcohol 36.2%, core
Shell mould inhales wave particle 60%, diisocyanate 3.5%, stabilizer 0.3%；
Further, the polyalcohol is castor oil；The diisocyanate is methyl diphenylene diisocyanate MDI；Institute
Stating stabilizer is zinc oxide；
Further, the preparation method of the wave-absorbing coating material includes the following steps:
A, by polyalcohol under the conditions of temperature is 90~130 DEG C, vacuum degree is -0.1MPa dry 30~60min, then to
Hud typed suction wave particle is wherein added, stirs and evenly mixs；
B, diisocyanate is added into the product of step a, is heated to 80~90 DEG C, is persistently stirred to react 10~20min；
C, stabilizer is added into the product of step b, after stirring and evenly mixing, reacts 20 under the conditions of temperature is 80~100 DEG C
~30min reacts 100~120min under the conditions of temperature is 75~85 DEG C, pressure is -0.1MPa later, further takes out and be placed in room
Temperature is lower to place 3~5 days, obtains the electric-controlled intelligent wave-absorbing coating material by electric field controls；
Further, the preparation method of the wave-absorbing coating material includes the following steps:
A, polyalcohol is dried into 45min under the conditions of temperature is 100 DEG C, vacuum degree is -0.1MPa, be then added thereto
Hud typed suction wave particle, stirs and evenly mixs；
B, diisocyanate is added into the product of step a, is heated to 85 DEG C, is persistently stirred to react 15min；
C, stabilizer is added into the product of step b, after stirring and evenly mixing, reacts 25min under the conditions of temperature is 90 DEG C, it
Afterwards temperature be 80 DEG C, pressure be -0.1MPa under the conditions of react 110min, further take out be placed at room temperature place 4 days, obtain by
The electric-controlled intelligent wave-absorbing coating material of electric field controls.
Beneficial effects of the present invention:
Interaction, mutual cooperation of the present invention by each raw material component, cooperate reasonable preparation method, preparing can
The electric-controlled intelligent wave-absorbing coating material of high efficiency regulatory absorption frequency, bandwidth and intensity is realized by electric field.Hud typed suction wave particle
With unique structure, pass through barium titanate coating carbonyl iron powder, wherein (average grain diameter is 5-8 μ to the spherical carbonyl iron dust used
M) there is limit frequency, high saturation and magnetic intensity and the higher relative permeability in radar wave frequency rate of high Snooker, because
This is with high dielectric constant and excellent so that suction wave particle obtained is very suitable to electromagnetic wave absorption, and the barium titanate used
The Ferroelectrics of piezoelectricity rely primarily on the orientation polarization and interfacial polarization of electric dipole under electromagnetic field effect
Electromagnetic wave is lost, is good dielectric loss type wave absorbing agent；Final hud typed suction wave particle obtained can effectively avoid carbonyl
Iron powder is contacted with air and is aoxidized, and to inhale wave particle by electric field controls, while this core-shell structure is due to interior
Its own just has distinctive suction wave frequency section and inhales intensity of wave for core and shell, when two different materials constitute core-shell structure with
Afterwards, under the action of electromagnetic field, a series of factor such as polarization of the electronics between interface, resonance of magnetic can enhance core-shell structure
The correlated performance of material enhances its absorbing property.And the polyurethane matrix generated by polyalcohol and di-isocyanate reaction, it is one
Kind has the composite polymer material of certain fluidity, makes nucleocapsid in colloid based on the certain flow behavior of polyurethane colloid
Type inhale wave particle under the excitation in outfield can Rapid reversible it is mobile, form new absorbent structure.Select zinc oxide as stabilization
Agent can be obviously improved the stability of absorbing material, and without finding to adversely affect its performance.
Wave-absorbing coating material of the invention is a kind of rheologic colloid, and not only controllable, reversible with self character, response is fastly
The advantages that fast, and it is also equipped with the not easily settled feature of the particle in matrix.This material can be made by additional controllable electric field
It inhales wave particle in matrix to polarize, polarization changes motion mode and the distribution of particle between particle.Distribution of particles structure,
Polarization between magnetized state and particle is all changed the electromagnetism parameter for making magneto-rheological combined high molecular material,
To be had an impact to final reflection loss peak and corresponding frequencies, is realized with this and adjust material in 0.23-18GHz frequency range
Reflection loss, change itself absorption intensity and its corresponding electromagnetic wave frequency range in real time according to other side's detectable signal, avoid visiting
Survey the frequency range of signal.Wave-absorbing coating material adjustability of the invention is fine, can realize the movement for absorbing frequency range according to stealthy demand
With the change of absorption intensity, consumer electronic device cannot be only used for, can be also used for military field.
Detailed description of the invention
The invention will be further described with reference to the accompanying drawings and examples:
Fig. 1 is the hud typed preparation flow figure for inhaling wave particle of the carbonyl iron dust@barium titanate of embodiment one；
Fig. 2 is the carbonyl iron dust@barium titanate coreshell type structure preparation process schematic diagram of embodiment one；
Fig. 3 is the preparation flow figure of the wave-absorbing coating material of embodiment one；
Fig. 4 is the SEM figure of the carbonyl iron dust used in embodiment one；
Fig. 5 is wave-absorbing coating material made from embodiment one；
Fig. 6 is the hud typed schematic diagram for inhaling wave particle of carbonyl iron dust@barium titanate made from electric field controls embodiment one.
Specific embodiment
The following are specific embodiments:
Embodiment one
Electric-controlled intelligent wave-absorbing coating material provided in this embodiment containing hud typed suction wave particle, the wave-absorbing coating material
Raw material by mass percentage include following component: polyalcohol 36.2%, hud typed suction wave particle 60%, diisocyanate
3.5%, stabilizer 0.3%；
Wherein: the hud typed suction wave particle is combined by barium titanate and carbonyl iron dust, using carbonyl iron dust as core, with titanium
Sour barium is shell；The carbonyl iron dust is spherical, and its average grain diameter is 6 μm (see Fig. 4)；The polyalcohol is castor oil；Institute
Stating diisocyanate is methyl diphenylene diisocyanate MDI；The stabilizer is zinc oxide.
In the present embodiment, it is described it is hud typed inhale wave particle preparation method include the following steps (preparation flow figure is shown in Fig. 1,
Preparation process schematic diagram is shown in Fig. 2):
It (1) is that 1:1 takes aqueous solution of barium acetate to be added to the isopropyl of butyl titanate by the molar ratio of butyl titanate and barium acetate
In alcoholic solution, after being sufficiently stirred, it is 3.2 that glacial acetic acid, which is added, and adjusts pH, continues stirring later until forming colloidal sol；Wherein: described
The aqueous isopropanol of butyl titanate the preparation method comprises the following steps: with the volume ratio of butyl titanate and isopropanol be 2:3 butyl titanate is added
Enter and be sufficiently stirred into isopropanol, appropriate glacial acetic acid is then added and continues to stir, until solution becomes clarification；The acetic acid
Barium aqueous solution the preparation method comprises the following steps: barium acetate is taken to be added in appropriate amount of deionized water (being completely dissolved barium acetate enough), fill
Point stirring is to barium acetate to being completely dissolved；
(2) carbonyl iron dust is added in the appropriate isopropanol (isopropanol is dispersing agent herein) of submergence carbonyl iron dust enough
Then ultrasonic disperse 1h is that 4:1 takes resulting carbonyl iron dust to be added to step (1) by the mass volume ratio of carbonyl iron dust and colloidal sol
In in colloidal sol obtained, 12h is sufficiently stirred, is centrifuged processing later, and will processing obtained solid product at room temperature
It air-dries, then the product after air-drying is calcined in vacuum protection gas, can be prepared by the hud typed suction wave of carbonyl iron dust@barium titanate
Grain.
In the present embodiment, the preparation method of the wave-absorbing coating material includes the following steps (see Fig. 3, to be finally made in Fig. 3
Electric current become that inhale wave colloid be obtained containing the hud typed electric-controlled intelligent wave-absorbing coating material for inhaling wave particle in the present embodiment):
A, castor oil is dried into 45min under the conditions of temperature is 100 DEG C, vacuum degree is -0.1MPa, be then added thereto
The hud typed suction wave particle of carbonyl iron dust@barium titanate, stirs and evenly mixs；
B, methyl diphenylene diisocyanate MDI is added into the product of step a, is heated to 85 DEG C, is persistently stirred to react
15min；
C, zinc oxide is added into the product of step b, after stirring and evenly mixing, reacts 25min under the conditions of temperature is 90 DEG C, it
Afterwards temperature be 80 DEG C, pressure be -0.1MPa under the conditions of react 110min, further take out be placed at room temperature place 4 days, obtain by
The electric-controlled intelligent wave-absorbing coating material of electric field controls (see Fig. 5).
Electromagnetic-wave absorbent obtained above is tested to obtain by arch method: the suction wave particle regulated and controled by electric field,
When changing within the scope of electric field 0-5A, in 0.23-18GHz frequency range, reflection loss RL < -10dB effective bandwidth is from height
Frequency range shifts to low-frequency range or mobile from low-frequency range to high band, and effective bandwidth has apparent expansion.Wherein, hud typed suction
Wave particle is shown in Fig. 6 by electric field controls schematic diagram.
Embodiment two
Electric-controlled intelligent wave-absorbing coating material provided in this embodiment containing hud typed suction wave particle, the wave-absorbing coating material
Raw material by mass percentage include following component: polyalcohol 14%, hud typed suction wave particle 80%, diisocyanate 5.7%,
Stabilizer 0.3%；
Wherein: the hud typed suction wave particle is combined by barium titanate and carbonyl iron dust, using carbonyl iron dust as core, with titanium
Sour barium is shell；The carbonyl iron dust is spherical, and its average grain diameter is 5 μm；The polyalcohol is castor oil；Two isocyanide
Acid esters is methyl diphenylene diisocyanate MDI；The stabilizer is zinc oxide.
In the present embodiment, the hud typed preparation method for inhaling wave particle includes the following steps:
It (1) is that 1:1 takes aqueous solution of barium acetate to be added to the isopropyl of butyl titanate by the molar ratio of butyl titanate and barium acetate
In alcoholic solution, after being sufficiently stirred, it is 3.0 that glacial acetic acid, which is added, and adjusts pH, continues stirring later until forming colloidal sol；Wherein: described
The aqueous isopropanol of butyl titanate the preparation method comprises the following steps: with the volume ratio of butyl titanate and isopropanol be 2:3 butyl titanate is added
Enter and be sufficiently stirred into isopropanol, appropriate glacial acetic acid is then added and continues to stir, until solution becomes clarification；The acetic acid
Barium aqueous solution the preparation method comprises the following steps: barium acetate is taken to be added in appropriate amount of deionized water (being completely dissolved barium acetate enough), fill
Point stirring is to barium acetate to being completely dissolved；
(2) carbonyl iron dust is added in the appropriate isopropanol (isopropanol is dispersing agent herein) of submergence carbonyl iron dust enough
Then ultrasonic disperse 1h is that 4:1 takes resulting carbonyl iron dust to be added to step (1) by the mass volume ratio of carbonyl iron dust and colloidal sol
In in colloidal sol obtained, 12h is sufficiently stirred, is centrifuged processing later, and will processing obtained solid product at room temperature
It air-dries, then the product after air-drying is calcined in vacuum protection gas, can be prepared by the hud typed suction wave of carbonyl iron dust@barium titanate
Grain.
In the present embodiment, the preparation method of the wave-absorbing coating material includes the following steps:
A, castor oil is dried into 30min under the conditions of temperature is 90 DEG C, vacuum degree is -0.1MPa, be then added thereto
The hud typed suction wave particle of carbonyl iron dust@barium titanate, stirs and evenly mixs；
B, methyl diphenylene diisocyanate MDI is added into the product of step a, is heated to 80 DEG C, is persistently stirred to react
20min；
C, zinc oxide is added into the product of step b, after stirring and evenly mixing, reacts 20min under the conditions of temperature is 100 DEG C,
120min is reacted under the conditions of temperature is 75 DEG C, pressure is -0.1MPa later, further takes out to be placed in and place 3 days at room temperature, obtain
By the electric-controlled intelligent wave-absorbing coating material of electric field controls.
Embodiment three
Electric-controlled intelligent wave-absorbing coating material provided in this embodiment containing hud typed suction wave particle, the wave-absorbing coating material
Raw material by mass percentage include following component: polyalcohol 75%, hud typed suction wave particle 22%, diisocyanate 2.9%,
Stabilizer 0.1%；
Wherein: the hud typed suction wave particle is combined by barium titanate and carbonyl iron dust, using carbonyl iron dust as core, with titanium
Sour barium is shell；The carbonyl iron dust is spherical, and its average grain diameter is 8 μm；The polyalcohol is castor oil；Two isocyanide
Acid esters is methyl diphenylene diisocyanate MDI；The stabilizer is zinc oxide.
In the present embodiment, the hud typed preparation method for inhaling wave particle includes the following steps:
It (1) is that 1:1 takes aqueous solution of barium acetate to be added to the isopropyl of butyl titanate by the molar ratio of butyl titanate and barium acetate
In alcoholic solution, after being sufficiently stirred, it is 3.5 that glacial acetic acid, which is added, and adjusts pH, continues stirring later until forming colloidal sol；Wherein: described
The aqueous isopropanol of butyl titanate the preparation method comprises the following steps: with the volume ratio of butyl titanate and isopropanol be 2:3 butyl titanate is added
Enter and be sufficiently stirred into isopropanol, appropriate glacial acetic acid is then added and continues to stir, until solution becomes clarification；The acetic acid
Barium aqueous solution the preparation method comprises the following steps: barium acetate is taken to be added in appropriate amount of deionized water (being completely dissolved barium acetate enough), fill
Point stirring is to barium acetate to being completely dissolved；
(2) carbonyl iron dust is added in the appropriate isopropanol (isopropanol is dispersing agent herein) of submergence carbonyl iron dust enough
Then ultrasonic disperse 1h is that 4:1 takes resulting carbonyl iron dust to be added to step (1) by the mass volume ratio of carbonyl iron dust and colloidal sol
In in colloidal sol obtained, 12h is sufficiently stirred, is centrifuged processing later, and will processing obtained solid product at room temperature
It air-dries, then the product after air-drying is calcined in vacuum protection gas, can be prepared by the hud typed suction wave of carbonyl iron dust@barium titanate
Grain.
In the present embodiment, the preparation method of the wave-absorbing coating material includes the following steps:
A, castor oil is dried into 60min under the conditions of temperature is 130 DEG C, vacuum degree is -0.1MPa, be then added thereto
The hud typed suction wave particle of carbonyl iron dust@barium titanate, stirs and evenly mixs；
B, methyl diphenylene diisocyanate MDI is added into the product of step a, is heated to 90 DEG C, is persistently stirred to react
10min；
C, zinc oxide is added into the product of step b, after stirring and evenly mixing, reacts 30min under the conditions of temperature is 80 DEG C, it
Afterwards temperature be 85 DEG C, pressure be -0.1MPa under the conditions of react 100min, further take out be placed at room temperature place 5 days, obtain by
The electric-controlled intelligent wave-absorbing coating material of electric field controls.
Example IV
Electric-controlled intelligent wave-absorbing coating material provided in this embodiment containing hud typed suction wave particle, the wave-absorbing coating material
Raw material by mass percentage include following component: polyalcohol 42.2%, hud typed suction wave particle 51%, diisocyanate
6.5%, stabilizer 0.3%；
Wherein: the hud typed suction wave particle is combined by barium titanate and carbonyl iron dust, using carbonyl iron dust as core, with titanium
Sour barium is shell；The carbonyl iron dust is spherical, and its average grain diameter is 6 μm；The polyalcohol is castor oil；Two isocyanide
Acid esters is methyl diphenylene diisocyanate MDI；The stabilizer is zinc oxide.
In the present embodiment, the hud typed preparation method for inhaling wave particle includes the following steps:
It (1) is that 1:1 takes aqueous solution of barium acetate to be added to the isopropyl of butyl titanate by the molar ratio of butyl titanate and barium acetate
In alcoholic solution, after being sufficiently stirred, it is 3.2 that glacial acetic acid, which is added, and adjusts pH, continues stirring later until forming colloidal sol；Wherein: described
The aqueous isopropanol of butyl titanate the preparation method comprises the following steps: with the volume ratio of butyl titanate and isopropanol be 2:3 butyl titanate is added
Enter and be sufficiently stirred into isopropanol, appropriate glacial acetic acid is then added and continues to stir, until solution becomes clarification；The acetic acid
Barium aqueous solution the preparation method comprises the following steps: barium acetate is taken to be added in appropriate amount of deionized water (being completely dissolved barium acetate enough), fill
Point stirring is to barium acetate to being completely dissolved；
(2) carbonyl iron dust is added in the appropriate isopropanol (isopropanol is dispersing agent herein) of submergence carbonyl iron dust enough
Then ultrasonic disperse 1h is that 4:1 takes resulting carbonyl iron dust to be added to step (1) by the mass volume ratio of carbonyl iron dust and colloidal sol
In in colloidal sol obtained, 12h is sufficiently stirred, is centrifuged processing later, and will processing obtained solid product at room temperature
It air-dries, then the product after air-drying is calcined in vacuum protection gas, can be prepared by the hud typed suction wave of carbonyl iron dust@barium titanate
Grain.
In the present embodiment, the preparation method of the wave-absorbing coating material includes the following steps:
A, castor oil is dried into 45min under the conditions of temperature is 100 DEG C, vacuum degree is -0.1MPa, be then added thereto
The hud typed suction wave particle of carbonyl iron dust@barium titanate, stirs and evenly mixs；
B, methyl diphenylene diisocyanate MDI is added into the product of step a, is heated to 85 DEG C, is persistently stirred to react
15min；
C, zinc oxide is added into the product of step b, after stirring and evenly mixing, reacts 25min under the conditions of temperature is 90 DEG C, it
Afterwards temperature be 80 DEG C, pressure be -0.1MPa under the conditions of react 110min, further take out be placed at room temperature place 4 days, obtain by
The electric-controlled intelligent wave-absorbing coating material of electric field controls.
Embodiment five
Electric-controlled intelligent wave-absorbing coating material provided in this embodiment containing hud typed suction wave particle, the wave-absorbing coating material
Raw material by mass percentage include following component: polyalcohol 30.8%, hud typed suction wave particle 68%, diisocyanate 1%,
Stabilizer 0.2%；
Wherein: the hud typed suction wave particle is combined by barium titanate and carbonyl iron dust, using carbonyl iron dust as core, with titanium
Sour barium is shell；The carbonyl iron dust is spherical, and its average grain diameter is 6 μm；The polyalcohol is castor oil；Two isocyanide
Acid esters is methyl diphenylene diisocyanate MDI；The stabilizer is zinc oxide.
In the present embodiment, the hud typed preparation method for inhaling wave particle includes the following steps:
It (1) is that 1:1 takes aqueous solution of barium acetate to be added to the isopropyl of butyl titanate by the molar ratio of butyl titanate and barium acetate
In alcoholic solution, after being sufficiently stirred, it is 3.2 that glacial acetic acid, which is added, and adjusts pH, continues stirring later until forming colloidal sol；Wherein: described
The aqueous isopropanol of butyl titanate the preparation method comprises the following steps: with the volume ratio of butyl titanate and isopropanol be 2:3 butyl titanate is added
Enter and be sufficiently stirred into isopropanol, appropriate glacial acetic acid is then added and continues to stir, until solution becomes clarification；The acetic acid
Barium aqueous solution the preparation method comprises the following steps: barium acetate is taken to be added in appropriate amount of deionized water (being completely dissolved barium acetate enough), fill
Point stirring is to barium acetate to being completely dissolved；
(2) carbonyl iron dust is added in the appropriate isopropanol (isopropanol is dispersing agent herein) of submergence carbonyl iron dust enough
Then ultrasonic disperse 1h is that 4:1 takes resulting carbonyl iron dust to be added to step (1) by the mass volume ratio of carbonyl iron dust and colloidal sol
In in colloidal sol obtained, 12h is sufficiently stirred, is centrifuged processing later, and will processing obtained solid product at room temperature
It air-dries, then the product after air-drying is calcined in vacuum protection gas, can be prepared by the hud typed suction wave of carbonyl iron dust@barium titanate
Grain.
In the present embodiment, the preparation method of the wave-absorbing coating material includes the following steps:
A, castor oil is dried into 45min under the conditions of temperature is 100 DEG C, vacuum degree is -0.1MPa, be then added thereto
The hud typed suction wave particle of carbonyl iron dust@barium titanate, stirs and evenly mixs；
B, methyl diphenylene diisocyanate MDI is added into the product of step a, is heated to 85 DEG C, is persistently stirred to react
15min；
C, zinc oxide is added into the product of step b, after stirring and evenly mixing, reacts 25min under the conditions of temperature is 90 DEG C, it
Afterwards temperature be 80 DEG C, pressure be -0.1MPa under the conditions of react 110min, further take out be placed at room temperature place 4 days, obtain by
The electric-controlled intelligent wave-absorbing coating material of electric field controls.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to compared with
Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to skill of the invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this
In the scope of the claims of invention.
Claims (8)
1. a kind of containing the hud typed electric-controlled intelligent wave-absorbing coating material for inhaling wave particle, it is characterised in that: the wave-absorbing coating material
Raw material by mass percentage include following component: polyalcohol 14%-75%, hud typed suction wave particle 22%-80%, two isocyanides
Acid esters 1%-6.5%, stabilizer 0.1%-0.3%, the above each raw material component total amount are 100%；
The hud typed suction wave particle is combined by barium titanate and carbonyl iron dust, using carbonyl iron dust as core, using barium titanate as shell
Body；
The hud typed preparation method for inhaling wave particle includes the following steps:
(1) take aqueous solution of barium acetate to be added in the aqueous isopropanol of butyl titanate, after being sufficiently stirred, adjust pH be 3.0~
3.5, continue stirring later until forming colloidal sol；
(2) carbonyl iron dust is added to ultrasonic disperse 1h in the appropriate isopropanol of submergence carbonyl iron dust enough, then taken resulting
Carbonyl iron dust is added into step (1) in colloidal sol obtained, and 12h is sufficiently stirred, and processing is centrifuged later, and will processing
Obtained solid product air-dries at room temperature, then the product after air-drying is calcined in vacuum protection gas, can be prepared by carbonyl iron dust@
The hud typed suction wave particle of barium titanate.
2. according to claim 1 containing the hud typed electric-controlled intelligent wave-absorbing coating material for inhaling wave particle, it is characterised in that: institute
It is spherical for stating carbonyl iron dust, and its average grain diameter is 5~8 μm.
3. according to claim 1 containing the hud typed electric-controlled intelligent wave-absorbing coating material for inhaling wave particle, it is characterised in that:
The aqueous isopropanol of the butyl titanate sufficiently stirs the preparation method comprises the following steps: butyl titanate is added in appropriate isopropanol
It mixes, appropriate glacial acetic acid is then added and continues to stir, until solution becomes clarification；
The aqueous solution of barium acetate the preparation method comprises the following steps: barium acetate is taken to be added in appropriate amount of deionized water, be stirred well to acetic acid
Barium is to being completely dissolved.
4. according to claim 1 containing the hud typed electric-controlled intelligent wave-absorbing coating material for inhaling wave particle, it is characterised in that: institute
It states in step (1), the molar ratio of butyl titanate and barium acetate is 1:1；
In the step (2), the mass volume ratio of carbonyl iron dust and colloidal sol is 4:1.
5. according to claim 1 containing the hud typed electric-controlled intelligent wave-absorbing coating material for inhaling wave particle, it is characterised in that: institute
The raw material for stating wave-absorbing coating material includes following component by mass percentage: polyalcohol 36.2%, hud typed suction wave particle 60%,
Diisocyanate 3.5%, stabilizer 0.3%.
6. according to claim 1 containing the hud typed electric-controlled intelligent wave-absorbing coating material for inhaling wave particle, it is characterised in that: institute
Stating polyalcohol is castor oil；The diisocyanate is methyl diphenylene diisocyanate MDI；The stabilizer is zinc oxide.
7. according to claim 1 containing the hud typed electric-controlled intelligent wave-absorbing coating material for inhaling wave particle, it is characterised in that: institute
The preparation method for stating wave-absorbing coating material includes the following steps:
A, polyalcohol is dried into 30~60min under the conditions of temperature is 90~130 DEG C, vacuum degree is -0.1MPa, then thereto
Hud typed suction wave particle is added, stirs and evenly mixs；
B, diisocyanate is added into the product of step a, is heated to 80~90 DEG C, is persistently stirred to react 10~20min；
C, stabilizer is added into the product of step b, after stirring and evenly mixing, temperature be 80~100 DEG C under the conditions of reaction 20~
30min reacts 100~120min under the conditions of temperature is 75~85 DEG C, pressure is -0.1MPa later, further takes out and be placed in room temperature
It is lower to place 3~5 days, obtain electric-controlled intelligent wave-absorbing coating material.
8. according to claim 1 containing the hud typed electric-controlled intelligent wave-absorbing coating material for inhaling wave particle, it is characterised in that: institute
The preparation method for stating wave-absorbing coating material includes the following steps:
A, polyalcohol is dried into 45min under the conditions of temperature is 100 DEG C, vacuum degree is -0.1MPa, nucleocapsid is then added thereto
Type inhales wave particle, stirs and evenly mixs；
B, diisocyanate is added into the product of step a, is heated to 85 DEG C, is persistently stirred to react 15min；
C, stabilizer is added into the product of step b, after stirring and evenly mixing, reacts 25min, Zhi Hou under the conditions of temperature is 90 DEG C
Temperature is 80 DEG C, pressure reacts 110min under the conditions of being -0.1MPa, further takes out to be placed in and place 4 days at room temperature, obtains automatically controlled intelligence
It can wave-absorbing coating material.
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| CN201810016494.0A CN108219663B (en) | 2018-01-08 | 2018-01-08 | Containing the hud typed electric-controlled intelligent wave-absorbing coating material for inhaling wave particle |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109957376A (en) * | 2017-12-26 | 2019-07-02 | 洛阳尖端技术研究院 | A kind of wave absorbing agent and preparation method thereof |
| CN111285671B (en) * | 2018-12-06 | 2022-02-01 | 洛阳尖端技术研究院 | Low-frequency wave-absorbing material and preparation method thereof |
| CN114213946A (en) * | 2021-12-16 | 2022-03-22 | 中国航空制造技术研究院 | Preparation method of wave-absorbing coating material |
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| CN104725835A (en) * | 2015-04-07 | 2015-06-24 | 重庆大学 | Viscous-elastic material with significant changes in damping controlled by magnetic field |
| CN105924618A (en) * | 2016-05-17 | 2016-09-07 | 国网重庆市电力公司电力科学研究院 | Electric-meter-box electromagnetic wave absorbing layer based on flower-shaped carbonyl iron particles and preparing method |
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| WO2017127708A1 (en) * | 2016-01-22 | 2017-07-27 | Voxel8, Inc. | 3d printable composite waterborne dispersions |
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| CN104725835A (en) * | 2015-04-07 | 2015-06-24 | 重庆大学 | Viscous-elastic material with significant changes in damping controlled by magnetic field |
| CN107142079A (en) * | 2016-03-01 | 2017-09-08 | 中国人民解放军军械工程学院 | S, C-band composite electromagnetic absorbing material a kind of preparation method |
| CN105924618A (en) * | 2016-05-17 | 2016-09-07 | 国网重庆市电力公司电力科学研究院 | Electric-meter-box electromagnetic wave absorbing layer based on flower-shaped carbonyl iron particles and preparing method |
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