CN106554717A - A kind of metal surface coating antiradar coatings and preparation method thereof - Google Patents
A kind of metal surface coating antiradar coatings and preparation method thereof Download PDFInfo
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- CN106554717A CN106554717A CN201610981076.6A CN201610981076A CN106554717A CN 106554717 A CN106554717 A CN 106554717A CN 201610981076 A CN201610981076 A CN 201610981076A CN 106554717 A CN106554717 A CN 106554717A
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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
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/04—Polysiloxanes
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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
- C09D161/00—Coating compositions based on condensation polymers of aldehydes or ketones; Coating compositions based on derivatives of such polymers
- C09D161/04—Condensation polymers of aldehydes or ketones with phenols only
- C09D161/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
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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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Abstract
The invention discloses a kind of metal surface coating antiradar coatings and preparation method thereof.The antiradar coatings are made up of the raw material of following weight portion:2~5 parts of sodium bentonite, 20~25 parts of wave absorbing agent, 15~20 parts of modified organic silicone resin, 5~9 parts of silane coupler, 1~3 part of Catalyzed by Formic Acid agent, 25~33 parts of tetrahydrofuran diluent, benzoyl peroxide curing dose 5~8 parts, 15~20 parts of ethanol, 5~8 parts of deionized water;0.5~1 part of silicone oil defoamer.Wave absorbing agent in the antiradar coatings of the present invention is the attapulgite clay suspension with polymolecularity, adsorb CNT again, by chemical plating fluid, in recessed soil/carbon nanopowder plating metal on surface ion, prepare the excellent composite powder of absorbing property, the excellent antiradar coatings of absorbing property are prepared under organic siliconresin and curing agent effect, one layer of antiradar coatings are coated in metal surface, it is strong with absorbing, bands of a spectrum width, the absorption to electromagnetic wave in the range of 5 18GHz up to 90% can be realized, its highest reflection loss can reach 51dB (8GHz), and the coating can bear the working environment that high temperature metal piece is at 700 DEG C, keep preferable absorbing property.
Description
Technical field
The present invention relates to inorganic functional material technical field, and in particular to a kind of metal surface coating antiradar coatings and its
Preparation method.
Background technology
As the development of science and technology, impact of the electromagenetic wave radiation to environment increasingly increase, produced for suction ripple therefrom
The demand of material and shielding material is also increasingly prosperous.On airport, airplane flight is overdue because Electromagnetic Interference cannot be taken off;In doctor
Institute, mobile phone can often disturb the normal work of various electronic instrument for diagnosing and curing diseases devices.In future high-tech, three-dimensional war, weapon
Equipment is faced with the severe challenge detected with anti-detection at any time.Absorbing material is the key technology in stealth technology, will inhale ripple material
Material introduces the research of stealth technology and is paid much attention to by countries in the world, meanwhile, in for fighter plane, guided missile, army in military affairs
The stealthy needs of the military equipments such as warship, the demand to being capable of absorbing radar wave material are also increasingly urgent, therefore, no matter for military
Or commercial market, absorbing material demand in actual applications all compares urgently.Oneself there are some researches show, applies on armament systems surface
Covering absorbing material can effectively reduce electromagnetic wave signal, reach stealth effect, and the Lijima in Japan NEC laboratories in 1991 sends out
CNT is showed, there is potential using value in electromagnetic shielding and absorbing material field, but use merely CNT
As wave absorbing agent, ideal dielectric loss can be reached, but the magnetic loss very little to electromagnetic wave, while CNT is close
It is aqueous poor, easily reunite when absorbing material is prepared, and the easy firing loss under the conditions of 500 DEG C of high temperature airs, and in aircraft
The metal parts of the high temperature positions such as jet pipe, its operating temperature often, more than 700 DEG C, easily lose suction using CNT merely
Ripple performance.Patent (CN104479626B) disclose a kind of graphite multi-walled carbon nano-tube/Nanocomposites wave absorbing agent and its
Preparation method, with good absorbing property, but the air in high temperature and high speed washes away lower coating and easily peels off, and has a strong impact on material
Absorbing property.
The content of the invention
The purpose of the present invention is for this problem of the prior art, there is provided a kind of metal surface coating antiradar coatings
And preparation method thereof.CNT and resistant to elevated temperatures recessed native powder are combined by the method, prepare absorbing property it is excellent and have
There is preferable durothermic wave absorbing agent, then the wave absorbing agent is filled in antiradar coatings together with other components so as to very
Good performance of absorbing electromagnetic wave.
The technical scheme for realizing foregoing invention purpose is:
A kind of metal surface coating antiradar coatings, are made up of the raw material of following weight portion:
2~5 parts of sodium bentonite,
20~25 parts of wave absorbing agent,
15~20 parts of modified organic silicone resin,
5~9 parts of silane coupler,
1~3 part of Catalyzed by Formic Acid agent,
25~33 parts of tetrahydrofuran diluent,
Benzoyl peroxide curing dose 5~8 parts,
15~20 parts of ethanol,
5~8 parts of deionized water;
0.5~1 part of silicone oil defoamer.
Further, the wave absorbing agent is that (concavo-convex base wave absorbing agent prepares general introduction to recessed soil matrix wave absorbing agent, checks whether description is accurate
Really), it is that CNT and resistant to elevated temperatures recessed native powder combine, particular by living to common attapulgite clay
Change, decentralized processing, obtain the excellent attapulgite clay suspension of activity function, are added into a certain amount of CNT, using recessed
The activated adoption CNT on native surface obtains one-dimensional CNT/recessed native rod soil composite granule, then is existed by chemical plating
The attached metal ion of composite powder plated surface, obtains recessed soil matrix wave absorbing agent after centrifugation, drying and processing;The CNT
Weight account for the 10~20% of Concave-convex clay rod powder weight.
Wherein, the activation, decentralized processing are specifically little with agitator stirring 2~4 in distilled water by attapulgite clay
When, it is that lmol/L hydrochloric acid is processed 1~3 hour in 80~100 DEG C with solubility;Suspension after process is added into 5~10ml's
Composite reactive agent, then the pH value of NaOH solution adjustment suspension is added dropwise to 6~8, then with cross stirring knife agitator with 1500 revs/min
Stirring 2~4 hours, after static 10 hours, isolates attapulgite clay suspension.
The composite reactive agent includes organic compound and nonionic surfactant, the organic compound and nonionic
The volume ratio of surfactant is 1:1~1:2.
Organic compound is organopolysiloxane or organic carboxyl acid;Nonionic surface active agent is alkylphenol-polyethenoxy
Ether type activating agent (OP-10) type, sorbitan fatty acid ester type activating agent (S80) type or Tween-20 type.
Organopolysiloxane is preferably epoxy based polysiloxane;Machine carboxylic acid be stearic acid, hexanedioic acid;It is preferred that stearic acid;It is non-
Ionic surfactant is preferably APES type activating agent (OP-10) type.
The chemical plating refers to and chemical plating fluid is added in attapulgite clay suspension in 70~90 DEG C of temperature strip
Under part, after 1~2h being reacted under conditions of ultrasonic disperse, stand 10~20min;The chemical plating fluid is to add in deionized water
The nickel sulfate of the calgon and 20~40g of 10~20g, pH=8.5~10 for titrating the ammoniacal liquor regulation chemical plating fluid are obtained
Obtain chemical plating fluid.
Further, the modified organic silicone resin be organic siliconresin and phenolic resin be 1 according to weight ratio:1 carries out thing
Reason is mixed with and obtains.
Further, the silane coupler selects vinyltrimethoxy silane or γ-(methacryloxypropyl) propyl group three
Any one in methoxy silane or γ-glycidyl ether trimethoxy silane.
The present invention also provides the preparation method of above-mentioned antiradar coatings, including step in detail below:
(1) prepare raw material by following portions by weight:2~5 parts of sodium bentonite, 20~25 parts of wave absorbing agent, modified organic silicon
15~20 parts of resin, 5~9 parts of silane coupler, 1~3 part of Catalyzed by Formic Acid agent, 25~33 parts of tetrahydrofuran diluent, peroxidating
5~8 parts of benzoyl curing agent, 15~20 parts of ethanol, 5~8 parts of deionized water;0.5~1 part of silicone oil defoamer.
(2) silane coupler is put in the reactor, adds deionized water, absolute ethyl alcohol and Catalyzed by Formic Acid agent, adjust pH
Be worth for 9~10, stirring make it is each mutually it is uniform it is miscible after, carry out sonic oscillation 1h~3h, then react to gel in 35 DEG C of water-baths
Shape, after adding in the gel tetrahydrofuran diluent to dissolve gel, adds modified organic silicone resin, with magnetic stirrer with
The rotating speed of 188~250r/min stirs 0.5~1h, forms slip A, stand-by.
(3) wave absorbing agent and sodium bentonite are added in the slip A that step 2 is obtained, it is abundant with cross stirring knife agitator
Stirring, mixing speed are 1500~3000 revs/min, and mixing time is 1~2h, form slip B, stand-by.
(4) curing agent, defoamer are added in the slip B that step 3 is obtained, with magnetic stirrer with 188~250r/min
Rotating speed stir 0.5~1h after, Jing vacuum de-soak just obtains the antiradar coatings.
The present invention has advantages below compared to existing technology:
Most of magnetic absorbent is relatively low due to Curie temperature, can lose absorbing property, cause high temperature in hot environment
Absorbing material only relies on electrical loss mechanism and carrys out absorbing radar wave, and the wave absorbing agent in the antiradar coatings of the present invention is with polymolecularity
Attapulgite clay suspension, then adsorb CNT, by chemical plating fluid, in recessed soil/carbon nanopowder plating metal on surface ion,
The excellent composite powder of absorbing property is prepared, and the excellent suction of absorbing property is prepared under organic siliconresin and curing agent effect
Ripple coating, coats one layer of antiradar coatings in metal surface, and strong with absorbing, bands of a spectrum width can be realized to electromagnetism in the range of 5-18GHz
Absorption of the ripple up to 90%, its highest reflection loss can reach -51dB (8GHz), and the coating can be born high temperature metal piece and be existed
700 DEG C of working environment, keeps preferable absorbing property.
Specific embodiment
A kind of metal surface coating antiradar coatings, are made up of the raw material of following weight portion:
2~5 parts of sodium bentonite,
20~25 parts of wave absorbing agent,
15~20 parts of modified organic silicone resin,
5~9 parts of silane coupler,
1~3 part of Catalyzed by Formic Acid agent,
25~33 parts of tetrahydrofuran diluent,
Benzoyl peroxide curing dose 5~8 parts,
15~20 parts of ethanol,
5~8 parts of deionized water;
0.5~1 part of silicone oil defoamer.
The preparation method of described wave absorbing agent is:
1st, weigh during the attapulgite clay that 100g fineness is 200~400 mesh is put into 800~1000ml distilled water and use agitator
Stirring 2~4 hours, is processed 1~3 hour in 80~100 DEG C with 50~100ml hydrochloric acid that solubility is lmol/L;After processing
Suspension add the stearic acid of 5~10ml, then the pH value of NaOH solution adjustment suspension is added dropwise to 6~8, then uses cross stirring knife
Agitator is stirred 2~4 hours with 1500 revs/min, after static 10 hours, isolates attapulgite clay suspension;
2nd, 10~20g CNTs are added in the above-mentioned attapulgite clay suspension isolated, using recessed native surface
Activated adoption CNT, after 10~30min stirrings, obtains attapulgite clay suspension;
3rd, the nickel sulfate of the calgon and 20~40g of 10~20g is added in the deionized water of 500ml, ammonia is titrated
Water adjusts pH=8.5~10 of the chemical plating fluid, obtains chemical plating fluid;
4th, in attapulgite clay suspension addition chemical plating fluid under 70~90 DEG C of temperature conditionss, the condition of ultrasonic disperse
After 1~2h of lower reaction, 10~20min is stood, with centrifugal treating 2-5 time in centrifuge, 5 minutes every time, solids is recovered by filtration;
5th, the solids of recovery is dried into 24h at 70~100 DEG C, it is finely ground with agate mortar, obtain absorbing property excellent
Composite granule;
It is 1 according to weight ratio that the modified organic silicone resin is organic siliconresin and phenolic resin:1 carries out physical mixed system
It is standby and obtain.
The silane coupler selects vinyltrimethoxy silane or γ-(methacryloxypropyl) propyl trimethoxy silicon
Any one in alkane or γ-glycidyl ether trimethoxy silane.
The preparation method of above-mentioned antiradar coatings, including step in detail below:
(1) prepare raw material by following portions by weight:2~5 parts of sodium bentonite, 20~25 parts of wave absorbing agent, modified organic silicon
15~20 parts of resin, 5~9 parts of silane coupler, 1~3 part of Catalyzed by Formic Acid agent, 25~33 parts of tetrahydrofuran diluent, peroxidating
5~8 parts of benzoyl curing agent, 15~20 parts of ethanol, 5~8 parts of deionized water;0.5~1 part of silicone oil defoamer.
(2) silane coupler is put in the reactor, adds deionized water, absolute ethyl alcohol and Catalyzed by Formic Acid agent, adjust pH
Be worth for 9~10, stirring make it is each mutually it is uniform it is miscible after, carry out sonic oscillation 1h~3h, then react to gel in 35 DEG C of water-baths
Shape, after adding in the gel tetrahydrofuran diluent to dissolve gel, adds modified organic silicone resin, with magnetic stirrer with
The rotating speed of 188~250r/min stirs 0.5~1h, forms slip A, stand-by.
(3) wave absorbing agent and sodium bentonite are added in the slip A that step 2 is obtained, it is abundant with cross stirring knife agitator
Stirring, mixing speed are 1500~3000 revs/min, and mixing time is 1~2h, form slip B, stand-by.
(4) curing agent, defoamer are added in the slip B that step 3 is obtained, with magnetic stirrer with 188~250r/min
Rotating speed stir 0.5~1h after, Jing vacuum de-soak just obtains the antiradar coatings.
With reference to embodiment, the invention will be further described:
Embodiment 1:
A kind of metal surface coating antiradar coatings, are made up of the raw material of following weight portion:
2 parts of sodium bentonite, 20 parts of wave absorbing agent, 20 parts of modified organic silicone resin,
5 parts of silane coupler, 3 parts of Catalyzed by Formic Acid agent, 33 parts of tetrahydrofuran diluent,
Benzoyl peroxide curing dose 8 parts, 20 parts of ethanol, 8 parts of deionized water;0.5 part of silicone oil defoamer.The gold
The preparation method of metal surface coating antiradar coatings, comprises the following steps:
(1), silane coupler is put in the reactor, deionized water and absolute ethyl alcohol is poured in agitator, is added
First acid as catalyst, adjusts pH value to 10, adopts and stir 2h using electric blender, and mixing speed is 350r/min, is made each mutually equal
It is even it is miscible after, by solution good seal, carry out sonic oscillation 1h in supersonic wave cleaning machine, react in being finally placed on 35 DEG C of water-baths to
Gel, adds tetrahydrofuran (THF) to dissolve which in the gel, adds modified organic silicone resin, be put into magnetic stirrer with
The rotating speed stirring 1h of 200r/min, it is stand-by;
(2), wave absorbing agent, sodium bentonite are put in the mixed system of step (2), it is abundant with cross stirring knife agitator
Stirring, mixing speed are 1500 revs/min, and mixing time is 1~2h, stand-by;
(3) mixed system for, obtaining step (2) adds curing agent, defoamer to be put into magnetic stirrer with 188r/min
Rotating speed stirring 1h, the slip after stirring is obtained into antiradar coatings Jing after vacuum de-soak.
Table 1 show the performance indications of the antiradar coatings prepared by embodiment 1
Antiradar coatings prepared by embodiment 1 are coated in into metal surface, are measured and can be realized to electromagnetism in the range of 5-18GHz
Absorption of the ripple up to 90%, its highest reflection loss can reach -51dB (8GHz).
Embodiment 2:
A kind of metal surface coating antiradar coatings, are made up of the raw material of following weight portion:
4 parts of sodium bentonite, 22 parts of wave absorbing agent, 22 parts of modified organic silicone resin,
7 parts of silane coupler, 2 parts of Catalyzed by Formic Acid agent, 30 parts of tetrahydrofuran diluent,
Benzoyl peroxide curing dose 6 parts, 18 parts of ethanol, 6 parts of deionized water;0.8 part of silicone oil defoamer.The gold
The preparation method of metal surface coating antiradar coatings, comprises the following steps:
(1), silane coupler is put in the reactor, deionized water and absolute ethyl alcohol is poured in agitator, is added
The first acid as catalyst of 3g, adjusts pH value to 9, adopts and stir 4h using electric blender, and mixing speed is 350r/min, makes each phase
It is uniform it is miscible after, by solution good seal, carry out sonic oscillation 3h in ultrasonic cleaning agent, react in being finally placed on 35 DEG C of water-baths
To gel, in gel add tetrahydrofuran (THF) to dissolve which, add modified organic silicone resin, be put into magnetic stirrer
It is with the rotating speed stirring 1h of 1250r/min, stand-by;
(2), wave absorbing agent, sodium bentonite are put in the mixed system of step (2), it is abundant with cross stirring knife agitator
Stirring, mixing speed are 3000 revs/min, and mixing time is 2h, stand-by;
(3) mixed system for, obtaining step (2) adds curing agent, defoamer to be put into magnetic stirrer with 250r/min
Rotating speed stirring 1h, the slip after stirring is obtained into antiradar coatings Jing after vacuum de-soak.
Embodiment 3:
A kind of metal surface coating antiradar coatings, are made up of the raw material of following weight portion:
5 parts of sodium bentonite, 25 parts of wave absorbing agent, 15 parts of modified organic silicone resin,
9 parts of silane coupler, 1 part of Catalyzed by Formic Acid agent, 25 parts of tetrahydrofuran diluent,
Benzoyl peroxide curing dose 5 parts, 15 parts of ethanol, 5 parts of deionized water;1 part of silicone oil defoamer.
The preparation method of the metal surface coating antiradar coatings, comprises the following steps:
(1), silane coupler is put in the reactor, deionized water and absolute ethyl alcohol is poured in agitator, is added
The first acid as catalyst of 3g, adjusts pH value to 9, adopts and stir 4h using electric blender, and mixing speed is 350r/min, makes each phase
It is uniform it is miscible after, by solution good seal, carry out sonic oscillation 3h in ultrasonic cleaning agent, react in being finally placed on 35 DEG C of water-baths
To gel, in gel add tetrahydrofuran (THF) to dissolve which, add modified organic silicone resin, be put into magnetic stirrer
It is with the rotating speed stirring 1h of 1250r/min, stand-by;
(2), wave absorbing agent, sodium bentonite are put in the mixed system of step (2), it is abundant with cross stirring knife agitator
Stirring, mixing speed are 3000 revs/min, and mixing time is 2h, stand-by;
(3) mixed system for, obtaining step (2) adds curing agent, defoamer to be put into magnetic stirrer with 250r/min
Rotating speed stirring 1h, the slip after stirring is obtained into antiradar coatings Jing after vacuum de-soak.
Claims (10)
1. a kind of metal surface coating antiradar coatings, it is characterised in that be made up of the raw material of following weight portion:
2~5 parts of sodium bentonite,
20~25 parts of wave absorbing agent,
15~20 parts of modified organic silicone resin,
5~9 parts of silane coupler,
1~3 part of Catalyzed by Formic Acid agent,
25~33 parts of tetrahydrofuran diluent,
Benzoyl peroxide curing dose 5~8 parts,
15~20 parts of ethanol,
5~8 parts of deionized water;
0.5~1 part of silicone oil defoamer.
2. metal surface coating antiradar coatings described in claim 1, it is characterised in that the wave absorbing agent is that recessed soil matrix inhales ripple
Agent, is that CNT and resistant to elevated temperatures recessed native powder combine, particular by carrying out activating to common attapulgite clay,
Decentralized processing, obtains the excellent attapulgite clay suspension of activity function, is added into a certain amount of CNT, using recessed native table
The activated adoption CNT in face obtains one-dimensional CNT/recessed native rod soil composite granule, then by chemical plating compound
The attached metal ion of powder plated surface, obtains recessed soil matrix wave absorbing agent after centrifugation, drying and processing;The weight of the CNT
Amount accounts for the 10~20% of Concave-convex clay rod powder weight.
3. metal surface coating antiradar coatings described in claim 2, it is characterised in that the activation, decentralized processing are concrete
It is that attapulgite clay is stirred 2~4 hours with agitator in distilled water, is lmol/L hydrochloric acid in 80~100 DEG C with solubility
Process 1~3 hour;Suspension after process is added into the composite reactive agent of 5~10ml, then NaOH solution adjustment suspension is added dropwise
PH value to 6~8, then with cross stirring knife agitator with 1500 revs/min stir 2~4 hours, after static 10 hours, isolate recessed
Convex rod slurry.
4. metal surface coating antiradar coatings described in claim 3, it is characterised in that the composite reactive agent includes organic
The volume ratio of compound and nonionic surfactant, the organic compound and nonionic surfactant is 1:1~1:2.
5. metal surface coating antiradar coatings described in claim 4, it is characterised in that organic compound is organic poly- silica
Alkane or organic carboxyl acid;Nonionic surface active agent is APES type activating agent (OP-10) type, anhydrous sorbitol
Fatty acid ester type activating agent (S80) type or Tween-20 type.
6. metal surface coating antiradar coatings described in claim 5, it is characterised in that organopolysiloxane is poly- for epoxy radicals
Siloxanes;Machine carboxylic acid be stearic acid, hexanedioic acid;Nonionic surface active agent is APES type activating agent (OP-
10) type.
7. metal surface coating antiradar coatings described in claim 2, it is characterised in that the chemical plating is referred to recessed
Add chemical plating fluid under 70~90 DEG C of temperature conditionss in convex rod slurry, under conditions of ultrasonic disperse, react 1~2h
Afterwards, stand 10~20min;The chemical plating fluid is the calgon and 20~40g for adding 10~20g in deionized water
Nickel sulfate, titrates the pH=8.5~10 acquisition chemical plating fluid that ammoniacal liquor adjusts the chemical plating fluid.
8. metal surface coating antiradar coatings described in claim 1, it is characterised in that the modified organic silicone resin is to have
Machine silicones and phenolic resin are 1 according to weight ratio:1 carries out physical mixed is prepared.
9. metal surface coating antiradar coatings described in claim 1, it is characterised in that state silane coupler and select vinyl
Trimethoxy silane or γ-(methacryloxypropyl) propyl trimethoxy silicane or γ-glycidyl ether trimethoxy silane
In any one.
10. the preparation method of the arbitrary described metal surface coating antiradar coatings of claim 1~9, it is characterised in that specifically
Comprise the following steps:
(1) prepare raw material by following portions by weight:2~5 parts of sodium bentonite, 20~25 parts of wave absorbing agent, modified organic silicone resin
15~20 parts, 5~9 parts of silane coupler, 1~3 part of Catalyzed by Formic Acid agent, 25~33 parts of tetrahydrofuran diluent, benzoyl peroxide first
5~8 parts of acyl curing agent, 15~20 parts of ethanol, 5~8 parts of deionized water;0.5~1 part of silicone oil defoamer;
(2) silane coupler is put in reactor, adds deionized water, absolute ethyl alcohol and Catalyzed by Formic Acid agent, adjust pH value to be 9
~10, stirring make it is each mutually it is uniform it is miscible after, carry out sonic oscillation 1h~3h, then react to gel in 35 DEG C of water-baths,
After adding in gel tetrahydrofuran diluent to dissolve gel, add modified organic silicone resin, with magnetic stirrer with 188~
The rotating speed of 250r/min stirs 0.5~1h, forms slip A, stand-by;
(3) wave absorbing agent and sodium bentonite are added in the slip A that step 2 is obtained, are sufficiently stirred for cross stirring knife agitator,
Mixing speed is 1500~3000 revs/min, and mixing time is 1~2h, forms slip B, stand-by;
(4) curing agent, defoamer are added in the slip B that step 3 is obtained, with magnetic stirrer turning with 188~250r/min
After speed 0.5~1h of stirring, Jing vacuum de-soak just obtains the antiradar coatings.
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CN102295473A (en) * | 2011-06-10 | 2011-12-28 | 合肥工业大学 | Nickel-plated attapulgite composite material and preparation method thereof |
CN103077765A (en) * | 2013-02-01 | 2013-05-01 | 南京信息工程大学 | Composite conducting material and preparation method thereof |
CN104531048A (en) * | 2014-12-30 | 2015-04-22 | 南京信息工程大学 | Organic conductive adhesive and preparation method thereof |
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CN102295473A (en) * | 2011-06-10 | 2011-12-28 | 合肥工业大学 | Nickel-plated attapulgite composite material and preparation method thereof |
CN103077765A (en) * | 2013-02-01 | 2013-05-01 | 南京信息工程大学 | Composite conducting material and preparation method thereof |
CN104531048A (en) * | 2014-12-30 | 2015-04-22 | 南京信息工程大学 | Organic conductive adhesive and preparation method thereof |
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CN107573745A (en) * | 2017-08-17 | 2018-01-12 | 北京梦之墨科技有限公司 | A kind of coating for EMI shielding material and preparation method thereof |
CN109705695A (en) * | 2017-10-26 | 2019-05-03 | 深圳光启高等理工研究院 | Wave penetrating paint and preparation method thereof |
CN108002365A (en) * | 2018-02-01 | 2018-05-08 | 广东工业大学 | A kind of method of dispersing Nano carbon tubes |
WO2020114092A1 (en) * | 2018-12-06 | 2020-06-11 | 洛阳尖端技术研究院 | Epoxy rubber radiation-absorbing coating and preparation method therefor |
CN113769718A (en) * | 2021-08-31 | 2021-12-10 | 南京信息工程大学 | Adsorption drying agent and preparation method thereof |
CN115627119A (en) * | 2022-10-11 | 2023-01-20 | 航天特种材料及工艺技术研究所 | Light temperature-resistant heat-insulating stealth coating, coating and preparation method thereof |
CN115627119B (en) * | 2022-10-11 | 2023-06-20 | 航天特种材料及工艺技术研究所 | Light temperature-resistant heat-insulating stealth coating, coating and preparation method thereof |
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