CN109354988A - A kind of basalt scale anticorrosion erosion antiradar coatings and preparation method thereof - Google Patents
A kind of basalt scale anticorrosion erosion antiradar coatings and preparation method thereof Download PDFInfo
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- CN109354988A CN109354988A CN201810973478.0A CN201810973478A CN109354988A CN 109354988 A CN109354988 A CN 109354988A CN 201810973478 A CN201810973478 A CN 201810973478A CN 109354988 A CN109354988 A CN 109354988A
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- antiradar coatings
- basalt
- resin
- basalt scale
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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
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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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
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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
- C09D5/08—Anti-corrosive 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
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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- Engineering & Computer Science (AREA)
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- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The present invention is a kind of anticorrosion antiradar coatings and preparation method thereof for being added to basalt scale, belongs to technical field of coatings.The anticorrosion antiradar coatings contain resin, diluent, sheet iron sial powder, basalt scale and curing agent.The anticorrosion antiradar coatings are on the basis of containing single sheet iron sial powder antiradar coatings, and the basalt scale that addition accounts for resin quality 10%-60% is prepared.The absorbing property of the coating of the basalt scale anticorrosion erosion antiradar coatings preparation, the absorbing property of more single sheet iron sial coating have obtained apparent improvement, and absorption peak reduces, and absorption frequency range, which has, significantly to be widened.On the other hand, due to the shielding character of basalt scale, so that coating has good corrosion resistance.The method that the present invention uses is easy to operate, at low cost, and performance is stablized, and has very strong practical application value.
Description
Technical field
The invention belongs to technical field of coatings, and in particular to antiradar coatings technical field, in particular to one kind are added to profound
The anticorrosion antiradar coatings and preparation method thereof of military rock scale.
Background technique
With to electromagnetic wave absorbent material study deeply and the demand of practical application, high-absorbable energy, wide-band, again
It measures contour performance absorbing material light, small in size and has become current research emphasis.Wave-absorbing coating material is due to its excellent synthesis
Performance receives more and more attention.Research still prepares suction wave using single wave-absorbing powder is adulterated in the base mostly at present
Coating.Sheet iron sial powder is widely used in antiradar coatings preparation due to its superior magnetic loss performance, but this
Often absorption peak is higher for the coating of the single sheet iron sial antiradar coatings preparation of kind, and it is too narrow effectively to absorb frequency range.In order to reduce
To the absorption peak of electromagnetic wave, absorption frequency range is widened, improves the absorbing property of coating, often using optimization modified absorbents, painting
The method of layer structure change is realized.But these method one side costs are too high, on the other hand cannot be guaranteed microwave absorbing coating
Performance has greatly improved.
On the other hand, with increasingly complicated harsh, microwave absorbing coating effective suction in addition to needs have of equipment Service Environment
Wave energy characteristic, it is also necessary to have excellent corrosion resistance, especially with the equipment such as naval vessel, carrier-borne in marine environment
Long service, in high temperature, high humidity, high salt fog, the high harsh marine environment radiated, microwave absorbing coating requires to get over to Corrosion Protection
Come higher.Traditional antiradar coatings focus on inhaling the promotion of wave energy, often have ignored the Corrosion Protection of coating, therefore, need
Scale filler is added in antiradar coatings to promote anticorrosion with coat corrosion energy according to the design requirement of anticorrosive paint.
The common Scale filler of paint field is mainly glass flake at present, and glass flake mechanical strength is low, resistance to acid and alkali
Deficiency, weatherability is poor, wearability is insufficient, and long-effective corrosion performance is to be improved, and on the other hand, microwave absorbing coating requires to be added in coating
Scale filler not only have many advantages, such as excellent mechanical performance, resistance to acid and alkali, weatherability, long service life, while also needing
With good anti-ultraviolet property and microwave absorbing property etc., it is therefore desirable to further research and develop new anticorrosion antiradar coatings.
Summary of the invention
Aiming at the problem that in the presence of existing antiradar coatings technology and deficiency, the present invention is intended to provide a kind of addition basalt
Antiradar coatings of scale and preparation method thereof, by the way that basalt scale is added in traditional flake iron sial antiradar coatings, effectively
The absorption peak for reducing sheet iron sial microwave absorbing coating widens it and absorbs frequency range, improves the absorbing property and anticorrosive property of coating
Energy.
A kind of basalt scale anticorrosion provided by the invention loses antiradar coatings, contains resin, diluent, sheet iron aluminum silicon powder
Body, basalt scale and curing agent；The resin is at least one of polyurethane, epoxy resin and acrylic resin；Institute
The diluent stated be one of the mixture or acetone of ethyl acetate and butyl acetate, dimethylbenzene, methyl ethyl ketone, n-butanol or
Multiple combinations；The curing agent is polyurethane curing agent, modified aliphatic cyclic amine, hexamethylene diamine, ethylenediamine, one in diethylenetriamine
Kind or multiple combinations.
The mass ratio of the diluent and resin is 0.3-0.8.
The mass ratio of the curing agent and resin is 0.2-0.9.
The additive amount of the sheet iron sial powder accounts for the 20% -50% of the resin quality.
The additive amount of the basalt scale accounts for the 10% -60% of the resin quality.
The present invention also provides the preparation methods for anticorrosion antiradar coatings, comprising the following steps:
Basalt squama and sheet iron sial powder are added in resin, after being thoroughly mixed, be added diluent, then with
Obtained mixed solution is put into ultrasound shake in ultrasonic vibration instrument by 350-800 revs/min of revolving speed mechanical stirring 30-120 minutes
It swings 10-60 minutes, obtains uniformly mixed solution.Then it after curing agent being added, then is stirred with 350-800 revs/min of revolving speed machinery
It mixes 20-60 minutes, then ultrasonic vibration 15-30 minutes, obtains final coating products.
Basalt scale is added in coating the present invention, can be with due to scale journey multilayer chip arrangement architecture in the coating
The staggered floor thick film being superimposed in parallel is formed, special " labyrinth " effect is generated, coating is not only divided into many small spaces and is reduced
The shrinkage stress and the coefficient of expansion of coating, and medium detour is forced to be penetrated into, so that corrosive medium delayed to spread and invade base
The approach of body and time, thus there is splendid permeability resistance, impact resistance, wearability and corrosion resistance, extend coating
Service life.Compared with common Scale filler, corrosion rate caused by not permeated there is only complications in basalt flake paint
It reduces, while also there is very strong resistance to acid and alkali, keep the antiseptic property of basalt flake paint very prominent, applied in similar scale
There is apparent advantage in material.It is especially excellent in view of the excellent physical and chemical performance of Black Warrior flake paint and mechanical property
High-low temperature resistant stability, weatherability, dielectricity and chemical-resistant, moreover, basalt is from a wealth of sources, it is cheap, it is fund-raising
Source economizing type, the high-performance coating filler material of environmentally friendly, function admirable type.Therefore, basalt scale is added
Enter in antiradar coatings, be not only advantageous to optimization wave-absorbing powder in the coating it is effective arrange and structure optimization, and its shielding,
Resistance to acid and alkali, weatherability, heat-resistant deforming and dielectricity act on the suction wave and anticorrosion comprehensive performance that improve microwave absorbing coating significant.
, into being tested for the property, coating to be injected ready to the anticorrosion antiradar coatings for being added to basalt scale
In mold, on the Al plate coated in the mm of 200 mm × 200, and coating layer thickness is controlled by mold.Finally at room temperature certainly
Right curing molding, demoulding carries out finishing and performance test to sample after curing molding.The reflection loss performance of electromagnetic wave is to measure
Coating is placed on the Al plate of the mm of 200 mm × 200, using bow by the important indicator of the absorbing property of wave-absorbing coating material
The absorbing property of shape method testing coating in no echo darkroom, test result are indicated with dB value.Coating antiseptic corrosion can use
Neutral salt spray test is tested.
Test result shows the present invention by the way that basalt scale is added in antiradar coatings, so that sheet iron sial coating
Absorbing property obtained apparent improvement, absorption peak reduces, and absorbing frequency range has and significantly widens.On the other hand,
Due to the shielding character of basalt scale, coating has good corrosion resistance.The method that the present invention uses is easy to operate, at
This is low, and performance is stablized, and has very strong practical application value.
Detailed description of the invention
Fig. 1 is the microscopic appearance photo of basalt scale.
Fig. 2 is the coating morphology photo that antiradar coatings preparation is lost using basalt scale anticorrosion.
Specific embodiment
Below with reference to embodiment, the invention will be further described.
Embodiment 1:
Basalt scale, sheet iron sial powder and polyurethane resin are mixed by the mass ratio of 0.2:0.4:1, are sufficiently stirred 10
Minute, diluent (ethyl acetate: butyl acetate volume ratio=1:1 is formed) is added by polyurethane resin mass ratio 0.3 is accounted for, then
With revolving speed mechanical stirring 30 minutes of 480 revs/min, obtained mixed solution is put into ultrasonic vibration 30 in ultrasonic vibration instrument and is divided
Clock obtains uniformly mixed solution.Then after polyurethane curing agent being added in the ratio for accounting for polyurethane resin mass ratio 0.3, then
The above mechanical stirring and ultrasonic vibration each 30 minutes are repeated, antiradar coatings are made.As shown in Figure 1, basalt scale be added is
10 microns -200 microns of tablet, with a thickness of 0.8 micron -6 microns.
The coating prepared is injected in ready mold, on the Al plate coated in the mm of 200 mm × 200, and is led to
Crossing mold control coating layer thickness is 1.5mm.Finally spontaneous curing forms at room temperature, demoulds after curing molding and repairs to sample
Whole and performance test.As shown in Fig. 2, prepared coating surface is smooth, even compact, can be used to test absorbing property.
Electro-magnetic wave absorption tests the microwave absorbing coating it is found that after addition basalt scale, in 0.2-18GHz band limits,
Wave absorbed crest value increases to the -29dB at 11.2GHz by the -25dB of original 12.3GHz, and the bandwidth more than -10dB is by original
3.8GHz increase to 4.4GHz.The addition of basalt scale can be effectively improved the absorbing property of iron sial coating, wave absorbed crest value
It is improved, meanwhile, so that it is effectively inhaled wave frequency section to low frequency movement, can effectively solve the problems, such as that low frequency absorbing property is low.At it
In resistance to neutral salt spray performance test, through 2000 hours test after, the well-tended appearance of coating, without fall off, bubble phenomena such as generation, say
Bright coating has good corrosion resistance.
Embodiment 2:
Basalt scale, sheet iron sial powder and polyurethane resin are mixed by the mass ratio of 0.4:0.4:1, are sufficiently stirred 20
Minute, diluent (ethyl acetate: butyl acetate volume ratio=1:1 is formed) is added by polyurethane resin mass ratio 0.5 is accounted for, then
With revolving speed mechanical stirring 60 minutes of 480 revs/min, obtained mixed solution is put into ultrasonic vibration 30 in ultrasonic vibration instrument and is divided
Clock obtains uniformly mixed solution.Then after polyurethane curing agent being added in the ratio for accounting for polyurethane resin mass ratio 0.3, then
The above mechanical stirring and ultrasonic vibration each 30 minutes are repeated, antiradar coatings are made.
The coating prepared is injected in ready mold, on the Al plate coated in the mm of 200 mm × 200, and is led to
Crossing mold control coating layer thickness is 1.5mm.Finally spontaneous curing forms at room temperature, demoulds after curing molding and repairs to sample
Whole and performance test.
Electro-magnetic wave absorption tests the microwave absorbing coating it is found that after addition basalt scale, in 0.2-18GHz band limits,
Wave absorbed crest value increases to the -35dB at 8.6GHz by the -25dB of original 12.3GHz, and the bandwidth more than -10dB is by original
3.8GHz increases to 5.3GHz.The addition of basalt scale can be effectively improved the absorbing property of iron sial coating, and wave absorbed crest value obtains
To raising, meanwhile, so that it is effectively inhaled wave frequency section to low frequency movement, can effectively solve the problems, such as that low frequency absorbing property is low.It is resistance at its
In neutral salt spray performance test, through 2000 hours test after, the well-tended appearance of coating, without fall off, bubble phenomena such as generation, explanation
Coating has good corrosion resistance.
Embodiment 3:
Basalt scale, sheet iron sial powder and epoxy resin are mixed by the mass ratio of 0.5:0.5:1, are sufficiently stirred 40 points
Diluent (n-butanol: dimethylbenzene volume ratio=1:1 forms) is added by epoxy resin mass ratio 0.8 is accounted in clock, then with 500 turns/
Revolving speed mechanical stirring 40 minutes divided, are put into ultrasonic vibration 30 minutes in ultrasonic vibration instrument for obtained mixed solution, obtain
Uniformly mixed solution.Then after curing agent hexamethylene diamine being added in the ratio for accounting for epoxy resin mass ratio 0.5, the above machine is repeated
Tool stirring and ultrasonic vibration each 20 minutes, be made antiradar coatings.
The coating prepared is injected in ready mold, on the Al plate coated in the mm of 200 mm × 200, and is led to
Crossing mold control coating layer thickness is 1.5mm.Finally spontaneous curing forms at room temperature, demoulds after curing molding and repairs to sample
Whole and performance test.
Electro-magnetic wave absorption tests the microwave absorbing coating it is found that after addition basalt scale, in 0.2-18GHz band limits,
Wave absorbed crest value increases to the -34dB at 8.3GHz by the -22dB of original 12.6GHz, and the bandwidth more than -10dB is by original
3.2GHz increases to 4.9GHz.The addition of basalt scale can be effectively improved the absorbing property of iron sial coating, and wave absorbed crest value obtains
To raising, meanwhile, so that it is effectively inhaled wave frequency section to low frequency movement, can effectively solve the problems, such as that low frequency absorbing property is low.It is resistance at its
In neutral salt spray performance test, through 2000 hours test after, the well-tended appearance of coating, without fall off, bubble phenomena such as generation, explanation
Coating has good corrosion resistance.
Claims (6)
1. a kind of basalt scale anticorrosion loses antiradar coatings, which is characterized in that the anticorrosion antiradar coatings contain resin, dilution
Agent, sheet iron sial powder, basalt scale and curing agent；The resin is polyurethane, epoxy resin and acrylic resin
At least one of；The diluent is the mixture or acetone of ethyl acetate and butyl acetate, dimethylbenzene, methyl ethyl ketone, just
One of butanol or multiple combinations；The curing agent is polyurethane curing agent, modified aliphatic cyclic amine, hexamethylene diamine, ethylenediamine, two
One of ethylene triamine or multiple combinations.
2. a kind of basalt scale anticorrosion according to claim 1 loses antiradar coatings, which is characterized in that the diluent with
The mass ratio of resin is 0.3-0.8.
3. a kind of basalt scale anticorrosion according to claim 1 loses antiradar coatings, which is characterized in that the curing agent with
The mass ratio of resin is 0.2-0.9.
4. a kind of basalt scale anticorrosion according to claim 1 loses antiradar coatings, which is characterized in that the sheet iron silicon
The additive amount of aluminium powder body accounts for the 20% -50% of the resin quality.
5. a kind of basalt scale anticorrosion according to claim 1 loses antiradar coatings, which is characterized in that the basalt squama
The additive amount of piece accounts for the 10% -60% of the resin quality.
6. a kind of preparation method of the erosion antiradar coatings of basalt scale anticorrosion described in claim 1, which is characterized in that including following
Step: basalt squama and sheet iron sial powder are added in resin, after being thoroughly mixed, be added diluent, then with
Obtained mixed solution is put into ultrasound shake in ultrasonic vibration instrument by 350-800 revs/min of revolving speed mechanical stirring 30-120 minutes
It swings 10-60 minutes, obtains uniformly mixed solution, after curing agent is added, then with 350-800 revs/min of revolving speed mechanical stirring 20-
60 minutes, then ultrasonic vibration 15-30 minutes, obtain final coating products.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810973478.0A CN109354988B (en) | 2018-08-24 | 2018-08-24 | Basalt flake anticorrosive wave-absorbing coating and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810973478.0A CN109354988B (en) | 2018-08-24 | 2018-08-24 | Basalt flake anticorrosive wave-absorbing coating and preparation method thereof |
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| CN109354988A true CN109354988A (en) | 2019-02-19 |
| CN109354988B CN109354988B (en) | 2020-11-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115029064A (en) * | 2022-04-14 | 2022-09-09 | 烟台万华新材料技术有限公司 | Thin wave-absorbing basalt flake water-based silicone coating and preparation method thereof |
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Cited By (1)
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| CN115029064A (en) * | 2022-04-14 | 2022-09-09 | 烟台万华新材料技术有限公司 | Thin wave-absorbing basalt flake water-based silicone coating and preparation method thereof |
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| CN109354988B (en) | 2020-11-17 |
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