CN108003695A - A kind of rapid construction Radar Absorbing Coating and preparation method and application - Google Patents
A kind of rapid construction Radar Absorbing Coating and preparation method and application Download PDFInfo
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- CN108003695A CN108003695A CN201711362441.6A CN201711362441A CN108003695A CN 108003695 A CN108003695 A CN 108003695A CN 201711362441 A CN201711362441 A CN 201711362441A CN 108003695 A CN108003695 A CN 108003695A
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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
- 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
- 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
- C08K2003/2265—Oxides; Hydroxides of metals of iron
- C08K2003/2272—Ferric oxide (Fe2O3)
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Abstract
The present invention relates to a kind of rapid construction Radar Absorbing Coating and preparation method and application, belong to rubber-ferrite field of functional coatings.Its raw material includes radar wave absorbing agent, resin matrix, filler, anti-heavy agent, curing agent and solvent.Its preparation method comprises the following steps：Above-mentioned raw materials are mixed by proportioning.This Radar Absorbing Coating has the advantages that spraying is not easy sagging, surface drying speed is fast, cure cycle is short and low temperature adaptability is good, and, above-mentioned absorption coating mechanical mechanics property is excellent, radar-wave absorbing performance is good, it can solve the problems, such as that existing Radar Absorbing Coating speed of application is difficult to take into account with mechanical mechanics property, improve coating engineer application.Its preparation method technique is simple, cost is low and process control is simple and direct.Above-mentioned absorbing material is used in aviation or space flight or the product of electromagnetic protection or electromagnetic shielding, can effectively shorten construction period, there is vast potential for future development.
Description
Technical field
The present invention relates to rubber-ferrite field of functional coatings, and more particularly to a kind of rapid construction Radar Absorbing Coating and
Its preparation method and application.
Background technology
With the development of avionics and modern material technology, absorbing material technology is military and civilian important
Property is more and more significant.Many work have been done in countries in the world in this respect, and absorbing material technology successfully is applied to aviation, boat
My god, the field such as electromagnetic protection, electromagnetic shielding.
Absorbing material technology is by designing and using some certain materials, weakening, suppress, absorb, deflecting object electromagnetism
The technology of ripple.A kind of antiradar coatings absorbing material good as convenience, economy, adaptability, is initially for space flight, aviation aircraft
Radar-wave absorbing need and develop, but with the development of science and technology and social economy progress, antiradar coatings are on ground
Equipment, marine settings, also begin to promote and apply on civilian equipment.
Existing epoxy-resin systems Radar Absorbing Coating is because it is good with base material adhesive force, and shrinking percentage is small, and stability is good
The advantages that, it has been widely used, but the pliability of coating in order to balance, the dry solidification speed of coating is slower, low temperature bar
It is even more to be difficult to cure under part, and easily occurs sagging phenomenon in work progress, construction period is long during engineer application.
The content of the invention
It is an object of the present invention to providing a kind of rapid construction Radar Absorbing Coating, which applies
There is material spraying to be not easy the advantages that sagging, surface drying speed are fast, and cure cycle is short, low temperature adaptability is good, meanwhile, above-mentioned radar-wave absorbing
Coating machinery excellent in mechanical performance, radar-wave absorbing performance is good, can solve existing Radar Absorbing Coating speed of application and Mechanics of Machinery
The problem of performance is difficult to take into account, improves coating engineer application.
The second object of the present invention is to provide a kind of preparation method of above-mentioned rapid construction Radar Absorbing Coating, this preparation
Method technique is simple, cost is low and process control is simple and direct.
The third object of the present invention is to provide a kind of application of above-mentioned rapid construction Radar Absorbing Coating, is applied to
It in the product of aviation or space flight or electromagnetic protection or electromagnetic shielding, can effectively shorten construction period, there is vast potential for future development.
The present invention is solved its technical problem and is realized using following technical scheme：
The present invention proposes a kind of rapid construction Radar Absorbing Coating, its raw material includes the thunderstorm activity of 55-70 parts by weight
Agent, the resin matrix of 25-35 parts by weight, the filler of 0.5-1 parts by weight, the anti-heavy agent of 1-3 parts by weight, 1-3 parts by weight are consolidated
The solvent of agent and 2-10 parts by weight.
The present invention also proposes a kind of preparation method of above-mentioned rapid construction Radar Absorbing Coating, comprises the following steps：By with
Than mixing radar wave absorbing agent, resin matrix, fill agent, anti-heavy agent, solvent and curing agent.
The present invention also proposes a kind of application of above-mentioned rapid construction Radar Absorbing Coating, such as can use it for aviation or boat
In it or the product of electromagnetic protection or electromagnetic shielding.
The beneficial effect of the rapid construction Radar Absorbing Coating that present pre-ferred embodiments provide and preparation method and application
Fruit is：
In the rapid construction Radar Absorbing Coating of present pre-ferred embodiments, radar wave absorbing agent is functional stuffing, rises and inhales
Receive the effect of radar wave；Resin and curing agent are film forming matter, play cementation；Film forming matter is helped supplemented by filler and anti-heavy agent
Matter, plays a part of to improve coating and breakthrough performance；Solvent is mainly used for dissolving resin and adjusting coating viscosity.
Reacted by above-mentioned raw materials with rational proportion, make the rapid construction Radar Absorbing Coating of gained there is spraying to be not easy to flow
The advantages that extension, surface drying speed are fast, and cure cycle is short, low temperature adaptability is good, meanwhile, above-mentioned absorption coating mechanical mechanics property
Excellent, radar-wave absorbing performance is good, can solve existing Radar Absorbing Coating speed of application and be asked with what mechanical mechanics property was difficult to take into account
Topic, improves coating engineer application.
Its preparation method technique is simple, cost is low and process control is simple and direct.It is applied to aviation or space flight or electromagnetism is prevented
In the product of shield or electromagnetic shielding, it can effectively shorten construction period, there is vast potential for future development.
Embodiment
, below will be in the embodiment of the present invention to make the purpose, technical scheme and advantage of the embodiment of the present invention clearer
Technical solution be clearly and completely described.The person that is not specified actual conditions in embodiment, builds according to normal condition or manufacturer
The condition of view carries out.Reagents or instruments used without specified manufacturer, is the conventional production that can be obtained by commercially available purchase
Product.
Rapid construction Radar Absorbing Coating to the embodiment of the present invention and preparation method and application carries out specifically below
It is bright.
Rapid construction Radar Absorbing Coating provided in an embodiment of the present invention, its raw material include radar wave absorbing agent, resin base
Body, filler, anti-heavy agent, curing agent and solvent.
Optionally, above-mentioned raw materials can for example include radar wave absorbing agent, the 25-35 parts by weight of 55-70 parts by weight
Resin matrix, the fillers of 0.5-1 parts by weight, anti-heavy agent, the curing agent of 1-3 parts by weight and the 2-10 weight of 1-3 parts by weight
The solvent of part.
Further, above-mentioned raw materials can include radar wave absorbing agent, the resin of 28-32 parts by weight of 60-65 parts by weight
Matrix, the filler of 0.7-0.8 parts by weight, anti-heavy agent, the curing agent of 1.5-2.5 parts by weight and the 5-7 weights of 1.5-2.5 parts by weight
Measure the solvent of part.
Further, above-mentioned raw materials can include radar wave absorbing agent, the resin base of 30 parts by weight of 62.5 parts by weight
Body, the filler of 0.75 parts by weight, the solvent for resisting heavy agent, the curing agent of 2 parts by weight and 6 parts by weight of 2 parts by weight.
Optionally, above-mentioned radar wave absorbing agent contains ferro element, such as can include ferrite, carbonyl iron, iron silicon
At least one of aluminium and iron silicochromium powder, radar wave absorbing agent is in the rapid construction Radar Absorbing Coating of the embodiment of the present invention
As functional stuffing, play the role of absorbing radar wave.
Optionally, resin matrix includes base polyurethane prepolymer for use as.Base polyurethane prepolymer for use as is polyisocyanates and polyalcohol
Reactable semi-finished product obtained by certain proportion reaction are controlled, itself and amino-compound reaction can be generated with curing rate
It hurry up, the polyureas for the advantages that pliability is good, construction environment has adapted to.
Optionally, filler includes hollow glass microballoon.Hollow glass microballoon is as by special working process
Glass microsphere, has the characteristics that density is small, resistivity is high, Thermal Contraction Coefficient is small, and the embodiment of the present invention, which is added into radar, inhales
In ripple coating, the absorbing property of coating can be effectively improved, prevents coating shrinkage, so as to improve the stability of coating performance.
Optionally, heavy agent is resisted to resist heavy agent including polyamide wax.The embodiment of the present invention is anti-by the way that polyamide wax is used as
Heavy agent, can form special net structure in coating.This kind of net structure can be destroyed by during mechanical forces, make dope viscosity
Decline, coating recovers good mobility；After shearing force eliminates, it can voluntarily recover again, viscosity rise, make coating have compared with
Excellent storage and workability.For polyamide wax heavy agent anti-compared to common organobentonite and aerosil etc.,
The adverse effect produced to coating Mechanics of Machinery is smaller.
Optionally, solvent includes toluene, dimethylbenzene, ethyl acetate, butyl acetate, propylene glycol methyl ether acetate, fourth
At least one of ketone and cyclohexanone.On the one hand above-mentioned solvent has excellent dissolution energy to resin contained in the embodiment of the present invention
Power, on the other hand it will not be with the generation side reaction of above-mentioned resin.
Optionally, curing agent includes 3,5- dimethythiotoluene diamines, 3,5- diethyl toluene diamines, 2,4- diaminos
At least one of base -3,5- dimethyl sulphur-baseds chlorobenzene and 3,3 ' two chloro- 4,4 '-diaminodiphenylmethane.Above-mentioned curing agent is low
Curing rate is fast under temperature or normal temperature condition, and it is big to cure crosslink density.
From the above, in the rapid construction Radar Absorbing Coating of the embodiment of the present invention, radar wave absorbing agent is functional stuffing,
Play absorbing radar wave；Resin and curing agent are film forming matter, play cementation；Furtherance film supplemented by filler and anti-heavy agent
Material, plays a part of to improve coating and breakthrough performance；Solvent is mainly used for dissolving resin and adjusting coating viscosity.Pass through above-mentioned original
Material is reacted with rational proportion, and making the rapid construction Radar Absorbing Coating of gained, that there is spraying to be not easy sagging, surface drying speed is fast, cures
The advantages that cycle is short, low temperature adaptability is good, meanwhile, above-mentioned absorption coating mechanical mechanics property is excellent, radar-wave absorbing performance
It is good, it can solve the problems, such as that existing Radar Absorbing Coating speed of application is difficult to take into account with mechanical mechanics property, improving coating engineering should
The property used.
What deserves to be explained is the embodiment of the present invention is added to the base of coating in base polyurethane prepolymer for use as reisn base material
On plinth, coating application performance can be optimized by adding filler and anti-heavy agent, and can be adjusted by controlling quantity of solvent
Whole coating application viscosity.
In addition, the embodiment of the present invention additionally provides a kind of preparation method of above-mentioned rapid construction Radar Absorbing Coating, including
Following steps：By proportioning mixing radar wave absorbing agent, resin matrix, fill agent, anti-heavy agent, solvent and curing agent.
It is preferred that then above-mentioned steps can add filler and thunder by the first hybrid resin matrix of proportioning, anti-heavy agent and solvent
Up to wave absorbent, curing agent is eventually adding.
Preferably, resin matrix, anti-heavy agent and solvent mix 5-10min for the first time under conditions of 800-1200rpm, so
Add filler afterwards and radar wave absorbing agent mixes 10-15min for the second time, be eventually adding curing agent third time mixing 5-10min.
More preferably, filler, radar wave absorbing agent and curing agent are that reaction is added under conditions of 400-600rpm
System.Specifically, resin matrix, anti-heavy agent and solvent can be added in beaker by proportioning, in the condition of 800-1200rpm
After lower stirring 5-10min, rotating speed is adjusted to 400-600rpm, is slowly added to filler and radar wave absorbing agent, will after adding
Rotating speed recalls to 800-1200rpm, and stirring 10-15min is adjusted to 400-600rpm to being uniformly mixed, then by rotating speed, is slowly added to solid
Agent, and rotating speed is recalled into 800-1200rpm, after stirring 5-10min, up to rapid construction Radar Absorbing Coating.
Mixed by said sequence and technique, on the one hand can ensure that each raw material is able to be completely dissolved and be uniformly dispersed, on the other hand
Also help each raw material and stablize reaction, improve end properties and quality.
Alternatively, above-mentioned mixing can be realized by the grinding of basket-type grinder and divergent function.
The embodiment of the present invention additionally provides a kind of application of rapid construction Radar Absorbing Coating, such as can use it for aviation
Or in space flight or the product of electromagnetic protection or electromagnetic shielding, can effectively shorten construction period, there is vast potential for future development.
The feature and performance of the present invention are described in further detail with reference to embodiments.
Embodiment 1
The solvent of the resin matrix of 25 parts by weight, the anti-heavy agent of 1 parts by weight and 2 parts by weight is added in beaker, in
After stirring 10min under conditions of 800rpm, rotating speed is adjusted to 400rpm, is slowly added to the filler and 55 weight of 0.5 parts by weight
Part radar wave absorbing agent, rotating speed is recalled into 800rpm after adding, stirring 15min is adjusted to being uniformly mixed, then by rotating speed
400rpm, is slowly added to the curing agent of 1 parts by weight, and rotating speed is recalled to 800rpm, after stirring 10min, obtains rapid construction radar
Antiradar coatings.
Wherein, radar wave absorbing agent contains ferrite, and resin matrix contains base polyurethane prepolymer for use as, and filler contains hollow glass
Glass microballoon, anti-heavy agent contain polyamide wax and resist heavy agent, and solvent contains toluene, and curing agent contains 3,5- dimethythiotoluene diamines.
Embodiment 2
The solvent of the resin matrix of 35 parts by weight, the anti-heavy agent of 3 parts by weight and 10 parts by weight is added in beaker, in
After stirring 5min under conditions of 1200rpm, rotating speed is adjusted to 600rpm, is slowly added to the filler and 70 parts by weight of 1 parts by weight
Radar wave absorbing agent, rotating speed is recalled into 1200rpm after adding, stirring 10min is adjusted to being uniformly mixed, then by rotating speed
600rpm, is slowly added to the curing agent of 3 parts by weight, and rotating speed is recalled to 1200rpm, after stirring 5min, obtains rapid construction radar
Antiradar coatings.
Wherein, radar wave absorbing agent contains carbonyl iron and iron sial, and resin matrix contains base polyurethane prepolymer for use as, and filler contains
There is hollow glass microballoon, anti-heavy agent contains polyamide wax and resists heavy agent, and solvent contains dimethylbenzene and ethyl acetate, and curing agent contains 3,
5- diethyl toluene diamines and 2,4- diaminourea -3,5- dimethyl sulphur-based chlorobenzenes.
Embodiment 3
The solvent of the resin matrix of 32 parts by weight, the anti-heavy agent of 2.5 parts by weight and 7 parts by weight is added in beaker, in
After stirring 8min under conditions of 900rpm, rotating speed is adjusted to 450rpm, is slowly added to the filler and 60 parts by weight of 0.7 parts by weight
Radar wave absorbing agent, rotating speed is recalled into 900rpm after adding, stirring 14min is adjusted to being uniformly mixed, then by rotating speed
450rpm, is slowly added to the curing agent of 1.5 parts by weight, and rotating speed is recalled to 900rpm, after stirring 8min, obtains rapid construction radar
Antiradar coatings.
Wherein, radar wave absorbing agent contains ferrite, iron sial and iron silicochromium powder, resin matrix and contains polyurethane prepolymer
Body, filler contain hollow glass microballoon, and anti-heavy agent contains polyamide wax and resists heavy agent, and solvent contains butyl acetate, propane diols first
Ether acetic acid ester and butanone, curing agent contain 3,5- dimethythiotoluene diamines, 2,4- diaminourea -3,5- dimethyl sulphur-based chlorobenzenes and 3,
3 ' two chloro- 4,4 '-diaminodiphenylmethane.
Embodiment 4
The solvent of the resin matrix of 28 parts by weight, the anti-heavy agent of 1.5 parts by weight and 5 parts by weight is added in beaker, in
After stirring 7min under conditions of 1100rpm, rotating speed is adjusted to 550rpm, is slowly added to the filler and 65 weight of 0.8 parts by weight
Part radar wave absorbing agent, rotating speed is recalled into 1100rpm after adding, stirring 12min is adjusted to being uniformly mixed, then by rotating speed
550rpm, is slowly added to the curing agent of 2.5 parts by weight, and rotating speed is recalled to 1100rpm, after stirring 7min, obtains rapid construction thunder
Up to antiradar coatings.
Wherein, radar wave absorbing agent contains ferrite, carbonyl iron, iron sial and iron silicochromium powder, and resin matrix contains poly-
Urethane performed polymer, filler contain hollow glass microballoon, and anti-heavy agent contains polyamide wax and resists heavy agent, and solvent contains dimethylbenzene, second
Acetoacetic ester, butanone and cyclohexanone, curing agent contain 3,5- dimethythiotoluene diamines, 3,5- diethyl toluene diamines, 2,4- bis-
Amino -3,5- dimethyl sulphur-baseds chlorobenzene and 3,3 ' two chloro- 4,4 '-diaminodiphenylmethane.
Embodiment 5
The solvent of the resin matrix of 30 parts by weight, the anti-heavy agent of 2 parts by weight and 6 parts by weight is added in beaker, in
After stirring 7.5min under conditions of 1000rpm, rotating speed is adjusted to 500rpm, is slowly added to the filler and 62.5 of 0.75 parts by weight
The radar wave absorbing agent of parts by weight, 1000rpm is recalled to after adding by rotating speed, and stirring 12.5min is to being uniformly mixed, then by rotating speed
500rpm is adjusted to, is slowly added to the curing agent of 2 parts by weight, and rotating speed is recalled into 1000rpm, after stirring 7.5min, obtains and quickly applies
Work Radar Absorbing Coating.
Wherein, radar wave absorbing agent contains ferrite, carbonyl iron, iron sial and iron silicochromium powder, and resin matrix contains poly-
Urethane performed polymer, filler contain hollow glass microballoon, and anti-heavy agent contains polyamide wax and resists heavy agent, and solvent contains dimethylbenzene, second
Acetoacetic ester, butanone and cyclohexanone, curing agent contain 3,5- dimethythiotoluene diamines, 3,5- diethyl toluene diamines, 2,4- bis-
Amino -3,5- dimethyl sulphur-baseds chlorobenzene and 3,3 ' two chloro- 4,4 '-diaminodiphenylmethane.
Embodiment 6
Heavy agent and 200g solvents is resisted to be added in beaker 500g base polyurethane prepolymer for use as, 50g, using basket-type grinder to it
Disperseed, speed of agitator is arranged to 800rpm；After stirring 5min, rotating speed is arranged to 400rpm, is slowly added to 10g fillers
With 1220g radar wave absorbing agents, rotating speed is adjusted to 800rpm after adding；10min is stirred, rotating speed is arranged to 400rpm, is delayed
It is slow to add 20g curing agent, rotating speed is then adjusted to 800rpm, after stirring 5min, up to rapid construction Radar Absorbing Coating.
Wherein, radar wave absorbing agent contains carbonyl iron, and resin matrix contains base polyurethane prepolymer for use as, and filler contains hollow glass
Glass microballoon, anti-heavy agent contain polyamide wax and resist heavy agent, and solvent contains ethyl acetate, and curing agent contains 3,5- diethyltoluenes two
Amine.
Embodiment 7
Resist heavy agent, 40g solvents to be added in beaker 700g base polyurethane prepolymer for use as, 60g, using basket-type grinder to its into
Row is scattered, and speed of agitator is arranged to 1200rpm；After stirring 5min, rotating speed is arranged to 600rpm, is slowly added to 20g fillers
With 1100g radar wave absorbing agents, rotating speed is adjusted to 1200rpm after adding；10min is stirred, rotating speed is arranged to 600rpm, is delayed
It is slow to add 60g curing agent, rotating speed is then adjusted to 1200rpm, after stirring 5min, up to rapid construction Radar Absorbing Coating.
Wherein, radar wave absorbing agent contains iron sial, and resin matrix contains base polyurethane prepolymer for use as, and filler contains hollow glass
Glass microballoon, anti-heavy agent contain polyamide wax and resist heavy agent, and solvent contains butyl acetate, and curing agent contains 2,4- diaminourea -3,5- bis-
Methyl mercapto chlorobenzene.
Embodiment 8
Heavy agent, 120g solvents is resisted to be added in beaker 560g base polyurethane prepolymer for use as, 40g, using basket-type grinder to it
Disperseed, speed of agitator is arranged to 900rpm；After stirring 10min, rotating speed is arranged to 500rpm, is slowly added to 16g fillings
Agent and 1240g radar wave absorbing agents, 900rpm is adjusted to after adding by rotating speed；15min is stirred, rotating speed is arranged to 500rpm,
24g curing agent is slowly added to, rotating speed is then adjusted to 900rpm, after stirring 10min, up to rapid construction Radar Absorbing Coating.
Wherein, radar wave absorbing agent contains iron silicochromium powder, and resin matrix contains base polyurethane prepolymer for use as, during filler contains
Empty glass microsphere, anti-heavy agent contain polyamide wax and resist heavy agent, and solvent contains propylene glycol methyl ether acetate, and curing agent contains 3,3 ' two
Chloro- 4,4 '-diaminodiphenylmethane.
Embodiment 9
The present embodiment provides the rapid construction Radar Absorbing Coating that a kind of above-described embodiment 1-8 any embodiments are prepared
Application, such as use it in aeronautical product.
Embodiment 10
The present embodiment provides the rapid construction Radar Absorbing Coating that a kind of above-described embodiment 1-8 any embodiments are prepared
Application, such as use it in space product.
Embodiment 11
The present embodiment provides the rapid construction Radar Absorbing Coating that a kind of above-described embodiment 1-8 any embodiments are prepared
Application, such as use it in electromagnetic protection product.
Embodiment 12
The present embodiment provides the rapid construction Radar Absorbing Coating that a kind of above-described embodiment 1-8 any embodiments are prepared
Application, such as use it in electromagnetic shielded product.
Test example
Repeat to implement above-described embodiment 1-8, obtain enough rapid construction Radar Absorbing Coatings.Using embodiment 6-8 as
Example, sets control group, and the Radar Absorbing Coating of control group is prepared through in the following manner：By 283g epoxy resin, 350g solvents
It is added in beaker, it is disperseed using basket-type grinder, speed of agitator is arranged to 800rpm；After stirring 5min, it will turn
Speed is arranged to 400rpm, is slowly added to 1660g radar wave absorbing agents, rotating speed is adjusted to 800rpm after adding；Stir 10min,
Rotating speed is arranged to 400rpm, is slowly added to 57g epoxy hardeners, rotating speed is then adjusted to 800rpm, after stirring 5min, to obtain the final product
Radar Absorbing Coating.
The Radar Absorbing Coating obtained by embodiment 6-8 and control group is subjected to following 4 experiments respectively.Specifically, will
Above-mentioned Radar Absorbing Coating respectively 300mm × 300mm × 5mm aluminium alloy plates (being used for reflectance test), 25mm × 120mm ×
0.3mm tinplates (be used for pliability test), 50mm × 120mm × 0.3mm tinplates (being used to impact resistance test) with
And carry out coating preparation and test on 40mm × 240mm × 5mm aluminium alloy plates (being used to adhesive force test).
First, polished using Pneumatic grinding machine with 80 mesh sand paper surface, to there is coarse frosted texture, use cotton
Dip acetone and wipe surface, remove surface impurity and greasy dirt, dry, then carry out the spraying of Radar Absorbing Coating.
3 groups of embodiments：Construction environment temperature (35 ± 2) DEG C, relative humidity (75 ± 5) %RH, dope viscosity 25s (apply -4
Cup test), each coating thickness 0.1-0.15mm, spray time interval 5-8min, spraying number 12 times, the coating sample sprayed
Part continues after being placed in (35 ± 2) DEG C oven for curing 10h, and microwave absorbing coating appearance results are as shown in table 1.
Control group：Construction environment temperature (23 ± 2) DEG C, relative humidity (70 ± 5) %RH, dope viscosity 22s (apply -4 glasss of surveys
Examination), each coating thickness 0.1-0.15mm, spray time interval 20-30min, spraying number 12 times, the coating exemplar sprayed
Continue after being placed in (23 ± 1) DEG C oven for curing 5h, microwave absorbing coating appearance results are as shown in table 1.
By the coating model being cured respectively according to GJB2038A-2011《Radar absorbing reflectivity test method》、
GB/T 1731-1993《Paint film flexibility determination method》、GB/T 1732-1993《Paint film impact resistance determination method》、GB/T
5210-2006《Paint and varnish pulls open method adhesion test》Its reflectivity, pliability, impact resistance and adhesive force are tested, its
Parametric results in the range of 3-4GHz are as shown in table 2.
1 microwave absorbing coating appearance results of table
| Flatness | Thickness | |
| Embodiment 6 | It is smooth | 1.31mm |
| Embodiment 7 | It is smooth | 1.32mm |
| Embodiment 8 | It is smooth | 1.31mm |
| Control group | It is more smooth | 1.35mm |
2 parametric results of table
| Embodiment 6 | Embodiment 7 | Embodiment 8 | Control group | |
| Reflectivity | ≤-10.19dB | ≤-10.68dB | ≤-10.44dB | ≤-8.23dB |
| Pliability | ≤5mm | ≤10mm | ≤5mm | ≤15mm |
| Impact resistance | ≥50cm·kg | ≥50cm·kg | ≥50cm·kg | ≥50cm·kg |
| Adhesive force | 13.67MPa | 11.37MPa | 12.54MPa | 8.76MPa |
By thunder of the rapid construction Radar Absorbing Coating obtained by the embodiment of the present invention it can be seen from Tables 1 and 2 compared with control group
It is more smooth up to antiradar coatings shape, also there is more preferably reflectivity, pliability and adhesive force in the case where thickness is thinner.
In addition, the rapid construction Radar Absorbing Coating obtained by according to above-mentioned test method comparative example 1-5, its result are shown
Show that the Radar Absorbing Coating surface obtained by above-mentioned 5 groups of embodiments is smooth, thickness in the range of 1.3-1.31mm, also, its
It is more excellent compared with performance possessed by control group in terms of reflectivity, pliability and adhesive force.In addition, embodiment 5 is compared with embodiment 3 and in fact
It is more excellent to apply performance of the example 4 in terms of reflectivity, pliability and adhesive force, embodiment 3 and embodiment 4 are compared with embodiment 1 and embodiment 2
Performance in terms of reflectivity, pliability and adhesive force is more excellent.It has thus been shown that in embodiment 1-5, embodiment 5 is prepared
Rapid construction Radar Absorbing Coating comprehensive performance it is optimal.
In conclusion there is rapid construction Radar Absorbing Coating provided in an embodiment of the present invention spraying to be not easy sagging, surface drying
The advantages that speed is fast, and cure cycle is short, low temperature adaptability is good, meanwhile, above-mentioned absorption coating mechanical mechanics property is excellent, thunder
It is good up to absorbing property, it can solve the problems, such as that existing Radar Absorbing Coating speed of application is difficult to take into account with mechanical mechanics property, improve
Coating engineer application.Its preparation method technique is simple, cost is low and process control is simple and direct.Be applied to aviation or space flight or
It in the product of electromagnetic protection or electromagnetic shielding, can effectively shorten construction period, there is vast potential for future development.
Embodiments described above is part of the embodiment of the present invention, instead of all the embodiments.The reality of the present invention
The detailed description for applying example is not intended to limit the scope of claimed invention, but is merely representative of the selected implementation of the present invention
Example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without creative efforts
Every other embodiment, belongs to the scope of protection of the invention.
Claims (10)
1. a kind of rapid construction Radar Absorbing Coating, it is characterised in that its raw material includes the thunderstorm activity of 55-70 parts by weight
Agent, the resin matrix of 25-35 parts by weight, the filler of 0.5-1 parts by weight, the anti-heavy agent of 1-3 parts by weight, 1-3 parts by weight are consolidated
The solvent of agent and 2-10 parts by weight；
Preferably, the raw material includes the radar wave absorbing agent, the resin base of 28-32 parts by weight of 60-65 parts by weight
Body, the filler of 0.7-0.8 parts by weight, the anti-heavy agent of 1.5-2.5 parts by weight, 1.5-2.5 parts by weight it is described solid
The solvent of agent and 5-7 parts by weight；
Preferably, the radar wave absorbing agent of the raw material including 62.5 parts by weight, 30 parts by weight the resin matrix,
The filler of 0.75 parts by weight, the described of 2 parts by weight resist the described of heavy agent, the curing agent of 2 parts by weight and 6 parts by weight
Solvent.
2. rapid construction Radar Absorbing Coating according to claim 1, it is characterised in that the radar wave absorbing agent contains
Ferro element；
Preferably, the radar wave absorbing agent includes at least one of ferrite, carbonyl iron, iron sial and iron silicochromium powder.
3. rapid construction Radar Absorbing Coating according to claim 1, it is characterised in that the resin matrix includes poly- ammonia
Ester performed polymer.
4. rapid construction Radar Absorbing Coating according to claim 1, it is characterised in that the filler includes hollow glass
Glass microballoon.
5. rapid construction Radar Absorbing Coating according to claim 1, it is characterised in that the anti-heavy agent includes polyamide
Wax resists heavy agent.
6. rapid construction Radar Absorbing Coating according to claim 1, it is characterised in that the curing agent includes 3,5- bis-
(methylthiomethyl) diamines, 3,5- diethyl toluene diamines, 2,4- diaminourea -3,5- dimethyl sulphur-baseds chlorobenzene and 3,3 ' two chloro- 4,4 ' -
At least one of diaminodiphenylmethane.
7. rapid construction Radar Absorbing Coating according to claim 1, it is characterised in that the solvent includes toluene, two
At least one of toluene, ethyl acetate, butyl acetate, propylene glycol methyl ether acetate, butanone and cyclohexanone.
It is 8. a kind of such as the preparation method of claim 1-7 any one of them rapid construction Radar Absorbing Coatings, it is characterised in that
Comprise the following steps：The radar wave absorbing agent, the resin matrix are mixed by proportioning, described fill agent, the anti-heavy agent, described
Solvent and the curing agent.
9. preparation method according to claim 8, it is characterised in that first mix the resin matrix, described anti-by proportioning
Heavy agent and the solvent, then add the filler and the radar wave absorbing agent, are eventually adding the curing agent；
Preferably, the resin matrix, the anti-heavy agent and the solvent mix 5- for the first time under conditions of 800-1200rpm
10min, then adds the filler and the radar wave absorbing agent mixes 10-15min for the second time, is eventually adding the curing
Agent third time mixing 5-10min；
Preferably, the filler, the radar wave absorbing agent and the curing agent are under conditions of 400-600rpm
Add reaction system.
It is 10. a kind of such as the application of claim 1-7 any one of them rapid construction Radar Absorbing Coatings, it is characterised in that will
The rapid construction Radar Absorbing Coating is used in aviation or space flight or the product of electromagnetic protection or electromagnetic shielding.
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| CN109627832A (en) * | 2018-12-19 | 2019-04-16 | 航天科工武汉磁电有限责任公司 | Environmentally friendly antiradar coatings and preparation method thereof |
| CN110423506A (en) * | 2019-07-25 | 2019-11-08 | 中国舰船研究设计中心 | One kind can low-temperature fast-curing Radar Absorbing Coating and preparation method thereof |
| CN110845892A (en) * | 2019-11-12 | 2020-02-28 | 航天科工武汉磁电有限责任公司 | Fast-curing radar wave-absorbing putty and preparation method and application thereof |
| CN110982421A (en) * | 2019-11-08 | 2020-04-10 | 航天科工武汉磁电有限责任公司 | High-temperature-resistant wave-absorbing coating and preparation method thereof |
| CN113754346A (en) * | 2021-08-26 | 2021-12-07 | 天诺光电材料股份有限公司 | Radar stealth board surface damage repair material and repair method |
| RU2762691C1 (en) * | 2021-04-05 | 2021-12-22 | Федеральное государственное бюджетное учреждение науки Федеральный исследовательский центр химической физики им. Н.Н. Семенова Российской академии наук (ФИЦ ХФ РАН) | Radar-absorbing material (options) |
| CN114085600A (en) * | 2021-10-27 | 2022-02-25 | 中国航发北京航空材料研究院 | Polyaspartic acid ester polyurea radar wave-absorbing coating and preparation method thereof |
| CN114163914A (en) * | 2021-10-27 | 2022-03-11 | 中国航发北京航空材料研究院 | Three-component radar wave-absorbing fast curing material and preparation method thereof |
| CN117467339A (en) * | 2023-12-27 | 2024-01-30 | 北京超智控信科技有限公司 | Self-closing wire self-curing insulating coating material for electrified railway |
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| CN109627832A (en) * | 2018-12-19 | 2019-04-16 | 航天科工武汉磁电有限责任公司 | Environmentally friendly antiradar coatings and preparation method thereof |
| CN109627832B (en) * | 2018-12-19 | 2021-04-27 | 航天科工武汉磁电有限责任公司 | Environment-friendly wave-absorbing coating and preparation method thereof |
| CN110423506A (en) * | 2019-07-25 | 2019-11-08 | 中国舰船研究设计中心 | One kind can low-temperature fast-curing Radar Absorbing Coating and preparation method thereof |
| CN110982421A (en) * | 2019-11-08 | 2020-04-10 | 航天科工武汉磁电有限责任公司 | High-temperature-resistant wave-absorbing coating and preparation method thereof |
| CN110845892A (en) * | 2019-11-12 | 2020-02-28 | 航天科工武汉磁电有限责任公司 | Fast-curing radar wave-absorbing putty and preparation method and application thereof |
| RU2762691C1 (en) * | 2021-04-05 | 2021-12-22 | Федеральное государственное бюджетное учреждение науки Федеральный исследовательский центр химической физики им. Н.Н. Семенова Российской академии наук (ФИЦ ХФ РАН) | Radar-absorbing material (options) |
| CN113754346A (en) * | 2021-08-26 | 2021-12-07 | 天诺光电材料股份有限公司 | Radar stealth board surface damage repair material and repair method |
| CN114085600A (en) * | 2021-10-27 | 2022-02-25 | 中国航发北京航空材料研究院 | Polyaspartic acid ester polyurea radar wave-absorbing coating and preparation method thereof |
| CN114163914A (en) * | 2021-10-27 | 2022-03-11 | 中国航发北京航空材料研究院 | Three-component radar wave-absorbing fast curing material and preparation method thereof |
| CN117467339A (en) * | 2023-12-27 | 2024-01-30 | 北京超智控信科技有限公司 | Self-closing wire self-curing insulating coating material for electrified railway |
| CN117467339B (en) * | 2023-12-27 | 2024-03-08 | 北京超智控信科技有限公司 | Self-closing wire self-curing insulating coating material for electrified railway |
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Application publication date: 20180508 |