CN107312452A - A kind of new ablation heat-resistant paint and preparation method thereof - Google Patents
A kind of new ablation heat-resistant paint and preparation method thereof Download PDFInfo
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- CN107312452A CN107312452A CN201710591489.8A CN201710591489A CN107312452A CN 107312452 A CN107312452 A CN 107312452A CN 201710591489 A CN201710591489 A CN 201710591489A CN 107312452 A CN107312452 A CN 107312452A
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant 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
- C08K2201/011—Nanostructured additives
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
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Abstract
The present invention relates to technical field of paint preparation, especially a kind of new ablation heat-resistant paint and preparation method thereof, using organic siliconresin, novolac epoxy resin, gas phase nano silica, low close low filler and the auxiliary agent of leading as component A raw material, imidazole curing agent is used as B component raw material, by reasonably arranging in pairs or groups, regulation and control in conjunction with technological parameter are prepared into coating, and the coating high temperature resistant is less than 1g/cm up to 750 DEG C, density3, thermal conductivity factor be less than 0.15W/mK, static adiabatic temperature be less than 250 DEG C, heat insulation material and petrochemical industry high-temperature service insulated heat material available for middle High Mach number tactical missile body thermal protection.
Description
Technical field
The present invention relates to technical field of paint preparation, especially a kind of new ablation heat-resistant paint and preparation method thereof.
Background technology
As advanced tactical missile is integrated in terms of high motor-driven, big overload, flying speed, accuracy at target and penetration ability
The raising of performance, designer must take into account the security of vehicle weight, material structural strength and carrier inside component；Particularly
Using alloy material manufacture body (nacelle, radome fairing, rudder face, aerofoil) more than tactical missile body, body structure material is in temperature
Mechanical property drastically declines during more than 300 DEG C, and it is the effective way for solving problem above that protection is thermally shielded to guided missile.
Temperature when tactical missile works is up to more than 1000 DEG C, particularly with new tactical missile, due to high maneuverability
And flying speed is fast, in a short time, Aerodynamic Heating aggravation temperature rises suddenly, if not taking effective thermal protection to arrange on guided missile surface
Apply, head, the leading edge of aerofoil (or rudder face), radome fairing and each bay section of guided missile due to temperature it is too high and under easy structural strength
Drop, causes body destruction and missile gear component wear；, must in order to ensure the safe flight of tactical missile, it is ensured that hit the mark
Effective thermal protection measure must be taken, new heat of ablation coating has light weight, coating thin and effect of heat insulation is significantly etc. excellent because of it
Point, and have within a certain period of time good heat-proof quality, scour resistance and as preferred heat insulation material, be tactical missile
The material that thermal protection is badly in need of.
New ablation heat-resistant paint has having been widely used in civil use industry, mainly in petrochemical pipe, high warm
The application of the outer surface such as flow tube road and pyroreaction kettle, its major function has three aspects：One is adiabatic protection, reduction material
Heat scatters and disappears；Second is with etch-proof function, it is to avoid the chemical attack of canister and pipe surface；3rd is new disappear
Melting thermal protective coating has environmental suitability ability, and mainly coating possesses the ability of high/low-temperature impact.
The content of the invention
The present invention is in order to overcome the problem of high-performance tactical missile thermal protection in the prior art is not enough, while can also be in the people
With insulated heat on high-temperature service, therefore provide a kind of new ablation heat-resistant paint and preparation method thereof.
It is achieved particular by following technical scheme：
A kind of new ablation heat-resistant paint, is made up of component A and B component；The component A is by organic siliconresin, phenolic aldehyde ring
Oxygen tree fat, gas phase nano silica, low close low filler, the auxiliary agent of leading are constituted；The B component is imidazole curing agent；The B groups
The quality divided is the 2~3% of component A.
The component A raw material is 16~32 parts of organic siliconresin, 8~16 parts of novolac epoxy resin, gas phase in parts by weight
8~12 parts of nano silicon, low close low lead 20~30 parts of filler, 2~3 parts of imidazole curing agent, 25~30 parts of auxiliary agent.
It is in parts by weight further preferably 22~26 parts of organic siliconresin, 10~14 parts of novolac epoxy resin, gas phase receive
9~11 parts of silica of rice, low close low lead 23~27 parts of filler, 2~3 parts of imidazole curing agent, 27~29 parts of auxiliary agent.
Still further preferably it is 24 parts of organic siliconresin, 12 parts of novolac epoxy resin, gas phase nano dioxy in parts by weight
10 parts of SiClx, low close low lead 25 parts of filler, 28 parts of auxiliary agent.
The low close low filler of leading is any in expanded perlite, expanded vermiculite powder.
The auxiliary agent is that anti-settling agent, adhesion promoter, solvent are 1 according to weight proportion：1：(20~30) mix.
The anti-settling agent is any in organobentonite, Tissuemat E, modified hydrogenated castor oil, polyamide wax；It is described
Adhesion promoter be any in titanate coupling agent or organic phosphine polymer；The solvent be lipid, alcohols, ketone,
It is any in aromatic hydrocarbons.
It is a further object to provide the preparation method of the coating, comprise the following steps：
(1) premix：Organic siliconresin, novolac epoxy resin are measured according to formula, gas phase nano silica, low close low led
Filler and auxiliary agent, are stirred with nylon rod, obtain compound；
(2) disperse：In the dispersion machine that pre- mixed compound is added, 50 are disperseed under 800~1000r/min rotating speed
~60min, then disperse 100~120min at a high speed under 1000~1200r/min rotating speed, obtain disperse materials；
(3) it is sanded：Disperse materials are put into sand mill, and sand is used as using 1.5~φ of φ 3 bead or zirconium oxide bead
The viscosity of control material is 25~45s, particle diameter≤40 μm in grinding media, sand grinding process；
(4) filter：By the copper wire net filtration of the mesh of the material use being sanded >=80, copper mesh using preceding cleaning up, and
Without breakage；
(5) paint：After filtering terminates, add remaining auxiliary agent allotment uniformly, produce component A；
(6) mix：The component A prepared is mixed with B component.
The consumption of step (1) auxiliary agent is 80~90%, and the consumption of step (5) auxiliary agent is 10~20%.
The step (1) first stirs organic siliconresin, novolac epoxy resin with nylon rod, adds gas phase nano
Silica, low close low filler of leading stir, and are eventually adding auxiliary agent and stir.
The present invention is compared with prior art：
The matrix resin of existing new ablation heat-resistant paint typically uses organic siliconresin, but is processed with organic siliconresin
Coating processing performance it is poor (poor adhesive force, solidification temperature high), the present invention passes through substantial amounts of experimental study and screening, choosing
Processing is modified to organic siliconresin with novolac epoxy resin, and organic siliconresin, phenolic aldehyde ring have selected by testing sieve
The preferred proportion of oxygen tree fat, filler and auxiliary agent, has effectively been modified the performance of organic siliconresin, and modified coating system can be realized
Normal temperature cure, while applying ablation, low-density, the special type filler of low heat conduction, realizes new ablation heat-resistant paint formula
Development and the preparation of new ablation thermal coating material.
The new ablation heat-resistant paint that the present invention is provided is in the case where traditional performance is excellent, and its core technology index is
Coating thermal conductivity factor is low, density is low, adhesion strength is high, its high comprehensive performance, effectively solves the anti-heat problem of missile airframe, should
Heat-resistant paint is sprayed on certain model nacelle, and the nacelle has carried out environmental test checking examination, and the heat-resistant paint performance refers to
The need for mark can meet certain new certain type product engineering application completely, the technology can be promoted on petrochemical equipment should
With.
The present invention using using organic siliconresin, novolac epoxy resin, gas phase nano silica, it is low it is close it is low lead filler and
Auxiliary agent is as component A raw material, and imidazole curing agent is as B component raw material, by reasonably arranging in pairs or groups, in conjunction with the tune of technological parameter
Control is prepared into coating, and the coating high temperature resistant is less than 1g/cm up to 750 DEG C, density3, thermal conductivity factor be less than 0.15W/m K, it is static
Adiabatic temperature is less than 250 DEG C, heat insulation material and petrochemical industry high temperature available for middle High Mach number tactical missile body thermal protection
Equipment insulated heat material.
Embodiment
Tuberculosis specific embodiment is limited technical scheme is further below, but claimed
Scope is not only limited to made description.
Embodiment 1
Formula：Component A：It is organic siliconresin 16kg, novolac epoxy resin 8kg, gas phase nano silica 8kg, low close low
Lead filler 20kg, auxiliary agent 25kg；B component：The quality of imidazoles is the 2% of component A.
Preparation method：(1) premix：Organic siliconresin, novolac epoxy resin, gas phase nano titanium dioxide are measured according to formula
Silicon, it is low it is close it is low lead filler and auxiliary agent, stirred with nylon rod, obtain compound；
(2) disperse：In the dispersion machine that pre- mixed compound is added, 50min is disperseed under 800r/min rotating speed, then
Disperse 100min at a high speed under 1000r/min rotating speed, obtain disperse materials；
(3) it is sanded：Disperse materials are put into sand mill, and sand is used as using 1.5~φ of φ 3 bead or zirconium oxide bead
The viscosity of control material is 25s, particle diameter≤40 μm in grinding media, sand grinding process；
(4) filter：By the copper wire net filtration of the mesh of the material use being sanded >=80, copper mesh using preceding cleaning up, and
Without breakage；
(5) paint：After filtering terminates, add remaining auxiliary agent allotment uniformly, produce component A；
(6) mix：The component A prepared is mixed with B component.
The low close low filler of leading is expanded perlite.
The auxiliary agent is that anti-settling agent, adhesion promoter, solvent are 1 according to weight proportion：1：20 mix.
The anti-settling agent is organobentonite；Described adhesion promoter is titanate coupling agent；The solvent is fourth
Alcohol.
The consumption of step (1) auxiliary agent is 80%, and the consumption of step (5) auxiliary agent is 20%.
The step (1) first stirs organic siliconresin, novolac epoxy resin with nylon rod, adds gas phase nano
Silica, low close low filler of leading stir, and are eventually adding auxiliary agent and stir.
Embodiment 2
Formula：Component A：It is organic siliconresin 32kg, novolac epoxy resin 16kg, gas phase nano silica 1 2kg, low close
It is low to lead filler 30kg, imidazole curing agent 3kg, auxiliary agent 30kg；B component：The quality of 2-methylimidazole is the 3% of component A.
Preparation method：(1) premix：Organic siliconresin, novolac epoxy resin, gas phase nano titanium dioxide are measured according to formula
Silicon, it is low it is close it is low lead filler and auxiliary agent, stirred with nylon rod, obtain compound；
(2) disperse：In the dispersion machine that pre- mixed compound is added, 60min is disperseed under 1000r/min rotating speed,
Disperse 120min at a high speed under 1200r/min rotating speed again, obtain disperse materials；
(3) it is sanded：Disperse materials are put into sand mill, and sand is used as using 1.5~φ of φ 3 bead or zirconium oxide bead
The viscosity of control material is 45s, particle diameter≤40 μm in grinding media, sand grinding process；
(4) filter：By the copper wire net filtration of the mesh of the material use being sanded >=80, copper mesh using preceding cleaning up, and
Without breakage；
(5) paint：After filtering terminates, add remaining auxiliary agent allotment uniformly, produce component A；
(6) mix：The component A prepared is mixed with B component.
The low close low filler of leading is expanded vermiculite powder.
The auxiliary agent is that anti-settling agent, adhesion promoter, solvent are 1 according to weight proportion：1：30 mix.
The anti-settling agent is Tissuemat E；Described adhesion promoter is organic phosphine polymer；The solvent is ring third
Ketone.
The consumption of step (1) auxiliary agent is 90%, and the consumption of step (5) auxiliary agent is 10%.
The step (1) first stirs organic siliconresin, novolac epoxy resin with nylon rod, adds gas phase nano
Silica, low close low filler of leading stir, and are eventually adding auxiliary agent and stir.
Embodiment 3
Formula：Component A：It is organic siliconresin 22kg, novolac epoxy resin 10kg, gas phase nano silica 9kg, low close low
Lead filler 23kg, imidazole curing agent 2kg, auxiliary agent 27kg；B component：The quality of 2- ethyl imidazol(e)s is the 2.5% of component A.
Preparation method：(1) premix：Organic siliconresin, novolac epoxy resin, gas phase nano titanium dioxide are measured according to formula
Silicon, it is low it is close it is low lead filler and auxiliary agent, stirred with nylon rod, obtain compound；
(2) disperse：In the dispersion machine that pre- mixed compound is added, 60min is disperseed under 800r/min rotating speed, then
Disperse 120min at a high speed under 1000r/min rotating speed, obtain disperse materials；
(3) it is sanded：Disperse materials are put into sand mill, and sand is used as using 1.5~φ of φ 3 bead or zirconium oxide bead
The viscosity of control material is 35s, particle diameter≤40 μm in grinding media, sand grinding process；
(4) filter：By the copper wire net filtration of the mesh of the material use being sanded >=80, copper mesh using preceding cleaning up, and
Without breakage；
(5) paint：After filtering terminates, add remaining auxiliary agent allotment uniformly, produce component A；
(6) mix：The component A prepared is mixed with B component.
The low close low filler of leading is expanded perlite.
The auxiliary agent is that anti-settling agent, adhesion promoter, solvent are 1 according to weight proportion：1：24 mix.
The anti-settling agent is modified hydrogenated castor oil；Described adhesion promoter is titanate coupling agent；The solvent
For methanol.
The consumption of step (1) auxiliary agent is 86%, and the consumption of step (5) auxiliary agent is 14%.
The step (1) first stirs organic siliconresin, novolac epoxy resin with nylon rod, adds gas phase nano
Silica, low close low filler of leading stir, and are eventually adding auxiliary agent and stir.
Embodiment 4
Formula：Component A：It is organic siliconresin 26kg, novolac epoxy resin 14kg, gas phase nano silica 1 1kg, low close
It is low to lead filler 27kg, imidazole curing agent 3kg, auxiliary agent 29kg；B component：B component：The quality of 2- phenylimidazoles is component A
2%.
Preparation method：(1) premix：Organic siliconresin, novolac epoxy resin, gas phase nano titanium dioxide are measured according to formula
Silicon, it is low it is close it is low lead filler and auxiliary agent, stirred with nylon rod, obtain compound；
(2) disperse：In the dispersion machine that pre- mixed compound is added, 50min is disperseed under 1000r/min rotating speed,
Disperse 100min at a high speed under 1200r/min rotating speed again, obtain disperse materials；
(3) it is sanded：Disperse materials are put into sand mill, and sand is used as using 1.5~φ of φ 3 bead or zirconium oxide bead
The viscosity of control material is 40s, particle diameter≤40 μm in grinding media, sand grinding process；
(4) filter：By the copper wire net filtration of the mesh of the material use being sanded >=80, copper mesh using preceding cleaning up, and
Without breakage；
(5) paint：After filtering terminates, add remaining auxiliary agent allotment uniformly, produce component A；
(6) mix：The component A prepared is mixed with B component.
The low close low filler of leading is any in expanded perlite, expanded vermiculite powder.
The auxiliary agent is that anti-settling agent, adhesion promoter, solvent are 1 according to weight proportion：1：28 mix.
The anti-settling agent is polyamide wax；Described adhesion promoter is organic phosphine polymer；The solvent is diformazan
Benzene.
The consumption of step (1) auxiliary agent is 88%, and the consumption of step (5) auxiliary agent is 12%.
The step (1) first stirs organic siliconresin, novolac epoxy resin with nylon rod, adds gas phase nano
Silica, low close low filler of leading stir, and are eventually adding auxiliary agent and stir.
Embodiment 5
Formula：Component A：It is organic siliconresin 24kg, novolac epoxy resin 12kg, gas phase nano silica 1 0kg, low close
It is low to lead filler 25kg, 2~3kg of imidazole curing agent, auxiliary agent 28kg；B component：B component：1- cyanoethyl -2- ethyl -4- methyl miaows
The quality of azoles is the 3% of component A.
Preparation method：(1) premix：Organic siliconresin, novolac epoxy resin, gas phase nano titanium dioxide are measured according to formula
Silicon, it is low it is close it is low lead filler and auxiliary agent, stirred with nylon rod, obtain compound；
(2) disperse：In the dispersion machine that pre- mixed compound is added, 55min is disperseed under 900r/min rotating speed, then
Disperse 110min at a high speed under 1100r/min rotating speed, obtain disperse materials；
(3) it is sanded：Disperse materials are put into sand mill, and sand is used as using 1.5~φ of φ 3 bead or zirconium oxide bead
The viscosity of control material is 38s, particle diameter≤40 μm in grinding media, sand grinding process；
(4) filter：By the copper wire net filtration of the mesh of the material use being sanded >=80, copper mesh using preceding cleaning up, and
Without breakage；
(5) paint：After filtering terminates, add remaining auxiliary agent allotment uniformly, produce component A；
(6) mix：The component A prepared is mixed with B component.
The low close low filler of leading is expanded perlite.
The auxiliary agent is that anti-settling agent, adhesion promoter, solvent are 1 according to weight proportion：1：25 mix.
The anti-settling agent is organobentonite；Described adhesion promoter is titanate coupling agent；The solvent is vinegar
Acetoacetic ester.
The consumption of step (1) auxiliary agent is 80%, and the consumption of step (5) auxiliary agent is 20%.
The step (1) first stirs organic siliconresin, novolac epoxy resin with nylon rod, adds gas phase nano
Silica, low close low filler of leading stir, and are eventually adding auxiliary agent and stir.
Test example 1
Test piece is sprayed：The main pre-treatment including test piece, the preparation of coating, spraying and solidification；
(a) pre-treatment of test piece：Test piece (aluminium test piece anodization, magnesium test piece oxidation) is cleaned with ethyl acetate or acetone.
(b) allotment of coating：Heat-resistant paint component A 1000g is weighed, then weighs B component 30g, A, B component are mixed equal
Even, solubilizer adjustment reaches the viscosity for being easy to spraying；
(c) spray：Small-sized spray gun spraying is selected, air-pressure controlling is in 0.3MPa or so, spray gun distance about 20cm, individual layer
Wet-film thickness is at 20~30 μm.Traditional performance, the control of heat resistance coating layer thickness are in 20~30 μm, heat-proof quality coating layer thickness control
System is in 0.9~1.2mm, and the control of thermal performance test coating layer thickness is 3~4mm (pressing standard size post-processing)；
(d) solidify：Test piece solidification first spontaneously dries 48h, and 24h is then dried in 40~50 DEG C of baking oven, finally natural again
Dry 24h；
(e) test piece is tested：Performance test is carried out to test piece by relevant criterion, test index is shown in Table 1.
Table 1
As seen from the experiment, the indices of the coating prepared using the present invention program meet national standard.
Test example 2
The spraying of nacelle：The main pre-treatment including nacelle, the process protection of nacelle, overall spraying heat-resistant paint and solar heat protection
The solidification of coating；
(a) pre-treatment of nacelle：Nacelle outer surface (magnesium alloy oxidation) is cleaned with ethyl acetate or acetone.
(b) process sprayed protection：Nacelle need to spray new ablation heat-resistant paint in 24h and be protected as process after oxidation.
(c) new ablation heat-resistant paint is always sprayed：Weigh heat-resistant paint component A：B group=100：3, A, B component are mixed equal
Even, solubilizer adjustment reaches the viscosity for being easy to spraying.Large-scale spray gun spraying is selected, air-pressure controlling is in 0.35MPa or so, spray
Rifle distance about 30cm, individual layer wet-film thickness is at 20~30 μm.Coating layer thickness is controlled in 0.9~1.2mm.
(d) solidification of coating：Nacelle thermal protective coating be cured as spontaneously dry 48h, then in 40~50 DEG C of baking oven
24h is dried, 24h is finally spontaneously dried again.
New ablation heat-resistant paint is developed to be evaluated by identifying, and the preparation of the new thermal protective coating of nacelle realizes engineering
Using from coating quality, combination property analysis, the need for new ablation heat-resistant paint fully meets the application of certain new model guided missile.
Herein it is important to point out that, above example and test example are only limitted to do further technical scheme
Elaboration and understanding, it is impossible to be interpreted as further to technical scheme and limited, what those skilled in the art made
Non-protruding essential characteristics and the innovation and creation of marked improvement, still fall within the protection category of the present invention.
Claims (10)
1. a kind of new ablation heat-resistant paint, it is characterised in that be made up of component A and B component；The component A is by organosilicon tree
Fat, novolac epoxy resin, gas phase nano silica, low close low filler, the auxiliary agent of leading are constituted；The B component solidifies for imidazoles
Agent；The quality of the B component is the 2~3% of component A.
2. new ablation heat-resistant paint as claimed in claim 1, it is characterised in that the component A raw material is to have in parts by weight
16~32 parts of machine silicones, 8~16 parts of novolac epoxy resin, 8~12 parts of gas phase nano silica, it is low it is close it is low lead filler 20~
30 parts, 2~3 parts of imidazole curing agent, 25~30 parts of auxiliary agent.
3. new ablation heat-resistant paint as claimed in claim 2, it is characterised in that the component A raw material is to have in parts by weight
22~26 parts of machine silicones, 10~14 parts of novolac epoxy resin, 9~11 parts of gas phase nano silica, low close low lead filler 23
~27 parts.
4. the new ablation heat-resistant paint as described in Claims 2 or 3, it is characterised in that the component A raw material is in parts by weight
For：24 parts of organic siliconresin, 12 parts of novolac epoxy resin, 0 part of gas phase nano silica 1, low close low lead 25 parts of filler, auxiliary agent
28 parts.
5. the new ablation heat-resistant paint as any one of Claims 1 to 4, it is characterised in that described low close low to lead filler
To be any in expanded perlite, expanded vermiculite powder.
6. the new ablation heat-resistant paint as any one of Claims 1 to 4, it is characterised in that the auxiliary agent be anti-settling agent,
Adhesion promoter, solvent are 1 according to weight proportion：1：(20~30) mix.
7. new ablation heat-resistant paint as claimed in claim 6, it is characterised in that the anti-settling agent is organobentonite, poly- second
It is any in alkene wax, modified hydrogenated castor oil, polyamide wax；Described adhesion promoter is titanate coupling agent or organic phosphine
It is any in polymer；The solvent is any in lipid, alcohols, ketone, aromatic hydrocarbons.
8. the preparation method of new ablation heat-resistant paint as any one of claim 1~7, it is characterised in that including with
Lower step：
(1) premix：Organic siliconresin, novolac epoxy resin are measured according to formula, gas phase nano silica, low close low lead filler
And auxiliary agent, stirred with nylon rod, obtain compound；
(2) disperse：In the dispersion machine that pre- mixed compound is added, scattered 50 under 800~1000r/min rotating speed~
60min, then disperse 100~120min at a high speed under 1000~1200r/min rotating speed, obtain disperse materials；
(3) it is sanded：Disperse materials are put into sand mill, and are situated between using 1.5~φ of φ 3 bead or zirconium oxide bead as sand milling
The viscosity of control material is 25~45s, particle diameter≤40 μm in matter, sand grinding process；
(4) filter：By the copper wire net filtration of the mesh of the material use being sanded >=80, copper mesh is using preceding cleaning up, and without broken
Damage；
(5) paint：After filtering terminates, add remaining auxiliary agent allotment uniformly, produce component A；
(6) mix：The component A prepared is mixed with B component.
9. the preparation method of new ablation heat-resistant paint as claimed in claim 8, it is characterised in that step (1) auxiliary agent
Consumption is 80~90%, and the consumption of step (5) auxiliary agent is 10~20%.
10. the preparation method of new ablation heat-resistant paint as claimed in claim 8, it is characterised in that the step (1) will first have
Machine silicones, novolac epoxy resin are stirred with nylon rod, are added gas phase nano silica, low close low filler of leading and are stirred
Uniformly, auxiliary agent is eventually adding to stir.
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| CN109021785A (en) * | 2018-07-26 | 2018-12-18 | 西安长峰机电研究所 | A kind of efficient solar heat protection heat-proof coating material and its manufacturing method |
| CN110437737A (en) * | 2019-07-31 | 2019-11-12 | 贵州航天风华精密设备有限公司 | A kind of lightweight is low to lead ablation dimension shape heat-resistant paint and its preparation and application |
| CN113025203A (en) * | 2021-04-30 | 2021-06-25 | 贵州航天风华精密设备有限公司 | Water-based organic silicon environment-friendly heat-proof coating and preparation method thereof |
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| CN116875185A (en) * | 2023-07-13 | 2023-10-13 | 贵州航天风华精密设备有限公司 | Double-silicon-system heat-resistant paint and preparation method thereof |
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