CN110819228A - Heat-insulation ablation-resistant maintainable repair agent and coating dual-purpose slurry, preparation method and application - Google Patents
Heat-insulation ablation-resistant maintainable repair agent and coating dual-purpose slurry, preparation method and application Download PDFInfo
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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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
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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
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
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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
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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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
- C08K3/38—Boron-containing compounds
- C08K2003/382—Boron-containing compounds and nitrogen
- C08K2003/385—Binary compounds of nitrogen with boron
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
Abstract
The invention relates to a heat-insulating ablation-resistant maintainable repair agent and coating dual-purpose slurry, a preparation method and application, and belongs to the technical field of coatings and repair agents. The slurry formula comprises: the main components are as follows: 40-60% of organic silicon resin and 40-60% of high-temperature resistant filler; and the addition of components: solvent accounting for 60-70% of the mass of the main component, and the additive component can also comprise auxiliary agent; uniformly mixing the main component and the additive component to prepare the slurry; coating the slurry on the positions of the defects such as gaps, pits, damages and the like to be repaired, and finishing the repair of the substrate containing the defects after curing; and coating the slurry on a substrate, and curing to obtain the coating. The slurry can be used for preparing coatings on the surfaces of various substrates and repairing defects, has the functions of heat insulation and ablation resistance, obviously improves the temperature resistance of the substrates, and can meet the requirements of future aircraft thermal protection systems on low-cost, heat insulation prevention and ablation resistance maintainable repair agents and coatings.
Description
Technical Field
The invention relates to a heat-insulation ablation-resistant maintainable repairing agent and coating dual-purpose slurry, a preparation method and application thereof, which can be used for repairing, filling and joint filling in the maintenance process of various matrixes and can also be directly used for preparing a high-temperature-resistant heat-insulation coating, and belongs to the technical field of coatings and repairing agents.
Background
With the development of the technology of the reusable hypersonic aircraft, the development of the reusable thermal protection system has important significance. A heat-insulating, ablation-resistant and maintainable high-temperature-resistant protective coating technology provides technical support for a high-performance reusable thermal protection system.
Traditional high temperature resistant thermal protective coatings are classified into inorganic and organic. The conventional inorganic thermal protective coating materials have the following bottleneck problems:
(1) the preparation process of the inorganic thermal protection coating needs high-temperature sintering, so that the residual thermal stress in the coating is large, and the preparation of a large-area coating is difficult to realize;
(2) the cost is high;
(3) the coating density is high;
(4) the coating has high brittleness, the assembly process of the heat insulation tile with the coating is complex, the heat insulation tile is easy to damage in the assembly and service processes, and the heat insulation tile cannot be maintained;
(5) poor compatibility of conventional coatings with substrates, and the like.
Although the organic high-temperature-resistant coating has low cost and good compatibility with a base material, the organic high-temperature-resistant coating needs high-temperature long-time curing, has low high-temperature carbon residue rate and heat-resistant temperature below 600 ℃, and is difficult to meet the development requirement of a reusable thermal protection system in the future. Meanwhile, the thermal protection system is easy to collide in the assembling process due to the large brittleness and the complex assembling process, so that the thermal protection system is damaged and cannot be maintained, the resource is greatly wasted, and the cost is greatly improved.
Therefore, the development of a preparation method of a low-cost and maintainable repair agent and coating dual-purpose slurry which has ablation resistance, toughness and heat insulation and is suitable for the surfaces of various base materials is urgently needed.
Disclosure of Invention
In order to overcome the defects in the prior art, one of the purposes of the invention is to provide a dual-purpose slurry for a heat-insulating ablation-resistant maintainable repair agent and a coating, wherein the slurry can be used for preparing and repairing the surface coating of various matrixes (such as resin, metal and ceramic matrix composite materials), has the functions of heat insulation and ablation resistance, obviously improves the temperature resistance of the matrixes, and can meet the requirements of future aircraft thermal protection systems on low-cost, heat-insulating prevention and ablation-resistant maintainable repair agent and coating.
The invention also aims to provide a preparation method of the slurry for the heat-insulating ablation-resistant maintainable repairing agent and the coating.
The invention also aims to provide application of the slurry for the heat-insulating ablation-resistant maintainable repairing agent and the coating.
In order to achieve the purpose of the invention, the following technical scheme is provided.
The formula of the slurry consists of a main component and an additive component, and the slurry comprises the following components in percentage by mass based on 100% of the total mass of the main component:
40 to 60 percent of organic silicon resin,
40 to 60 percent of high-temperature resistant filler;
the additive component comprises a solvent, and the mass fraction of the solvent is 60-70% of the mass of the main component.
The components of the additive components and the mass fractions thereof are preferably as follows:
60 to 70 percent of the mass of the main component of the solvent,
1.5-2.5% of the mass of the main component of the auxiliary agent.
Wherein the organic silicon resin is at least one of methyl silicon resin, phenyl silicon resin and methyl phenyl silicon resin;
the high-temperature-resistant filler is a substance which is used conventionally in the field and is used for improving the temperature resistance of the coating, and preferably, the high-temperature-resistant filler is more than 5 of kaolin, mica powder, aluminum oxide, silicon powder, boron carbide, hollow glass microspheres, boron nitride, silicon dioxide, titanium dioxide, diboron trioxide, phenolic microspheres, inorganic aerogel powder, ceramic fibers, chopped carbon fibers and silicon dioxide hollow microspheres; among them, the ceramic fiber is preferably a chopped mullite fiber.
The solvent is at least one of toluene, xylene, isopropanol and absolute ethyl alcohol.
The auxiliary agent is at least one of silane coupling agent KH-550, silane coupling agent KH-560 and hexamethyldisilazane.
The invention discloses a preparation method of a slurry for both heat-insulating ablation-resistant maintainable repair agent and coating, which comprises the following steps:
the main component and the additive component are uniformly mixed to obtain the dual-purpose slurry for the heat-insulating ablation-resistant maintainable repairing agent and the coating.
When the additive components consist of a solvent and an auxiliary agent, the preferred preparation method comprises the following steps:
(1) mixing the organic silicon resin and the auxiliary agent, and uniformly stirring to obtain a mixture;
(2) and (2) adding a high-temperature-resistant filler into the mixture prepared in the step (1), adding a solvent, and uniformly mixing to obtain the dual-purpose slurry for the heat-insulating ablation-resistant maintainable repairing agent and the coating.
The uniform mixing time is preferably less than or equal to 30min, so that the solvent volatilization loss is avoided.
The application of the slurry for the heat-insulating ablation-resistant maintainable repair agent and the coating is to coat the slurry on the defects such as gaps, pits, damages and the like to be repaired, finish repairing a substrate with the defects after curing, and prepare the heat-insulating ablation-resistant maintainable coating after curing.
The curing conditions were: curing for 3-6 h at room temperature, curing for 2h at 60 ℃, curing for 2h at 90 ℃ and curing for 2h at 120 ℃ in sequence; or
And placing the coating at room temperature for 3-6 days to achieve the optimal performance of the coating.
Advantageous effects
1. The invention provides a dual-purpose slurry for a heat-insulating ablation-resistant maintainable repairing agent and a coating, which uses high-temperature-resistant fillers with low thermal conductivity, particularly hollow glass microspheres and silicon dioxide hollow microspheres, so that compared with the prior art, the density and the thermal conductivity of the repairing agent or the coating prepared from the slurry are greatly reduced, the slurry has high adhesive force, simple brushing process and low cost, the heat-resistant temperature and time of a matrix are greatly improved, the ablation resistance of the surface is ensured, the heat-insulating property is good, and the requirements of heat insulation and ablation resistance under high temperature in the motor, electric appliances and aerospace industry can be met;
2. the invention provides a preparation method of a dual-purpose slurry for a heat-insulation ablation-resistant maintainable repairing agent and a coating, wherein when the slurry is prepared, a high-temperature-resistant filler is preferably added firstly, a solvent is added and mixed uniformly, so that the dispersion is uniform, and finally an auxiliary agent is added and mixed uniformly, so that the auxiliary agent is coated on the surface of the high-temperature-resistant filler more uniformly; the time for mixing is less than or equal to 10min, so that the volatilization loss of the solvent can be avoided;
3. the invention provides an application of heat-insulating ablation-resistant maintainable repair agent and coating dual-purpose slurry, the repair agent or coating prepared by the slurry has excellent maintainability due to lower hardness, and when the repaired part or the surface of the coating is worn or broken, the repair agent or the coating at the worn or broken part can be scraped off and recoated independently, so that the repair agent or the coating is easy to maintain; the remained required maintenance amount is greatly reduced, so the material cost is also reduced, the repaired part or the coating is flat and smooth after the maintenance is finished, and the coating can be continuously used after being cured again, thereby not only greatly reducing the maintenance time and the maintenance intensity after the surface is abraded, but also reducing the material waste and reducing the material cost.
Detailed Description
The following is a further description of specific embodiments of the invention by way of specific examples, but not as a limitation of the invention.
Example 1
The slurry consists of a main component and an additive component, and comprises the following components in percentage by mass based on 100% of the total mass of the main component: 40% of organic silicon resin and 60% of high-temperature resistant filler; the components and the mass fractions of the additive components are as follows: the mass fraction of the solvent is 60 percent of the mass of the main component; the mass fraction of the auxiliary agent is 1.5 percent of the mass of the main component.
The organic silicon resin is methyl phenyl silicon resin.
The high-temperature-resistant filler is composed of boron carbide, titanium dioxide, kaolin, chopped mullite fiber, hollow glass microspheres and silica hollow microspheres according to a mass ratio of 2:2:3:1:4: 3.
The solvent is absolute ethyl alcohol.
The auxiliary agent is a mixed solution of a silane coupling agent KH550 and KH-560, and the mass ratio of KH550 to KH-560 is 1: 1.
A method for preparing a slurry for use as a thermal insulating ablation resistant repairable repair agent and coating in accordance with this embodiment comprises the steps of:
(1) adding the organic silicon resin and the auxiliary agent into a beaker, and uniformly stirring to obtain a mixture;
(2) sequentially adding high-temperature-resistant fillers into the beaker filled with the mixture: boron carbide, titanium dioxide, kaolin, hollow glass microspheres, silica hollow microspheres and chopped mullite fibers; adding absolute ethyl alcohol into the beaker, and stirring and mixing uniformly; the slurry is stirred and mixed uniformly by a stirrer at the rotating speed of 300r/min for 30min to obtain the dual-purpose slurry for the heat-insulating ablation-resistant maintainable repair agent and the coating.
The application of the slurry for thermal insulation and ablation resistance maintenance repair agent and coating according to the embodiment is to repair surface defects such as breakage, pits and gaps generated during assembly or use of various components. Firstly, processing surface defects, then coating the slurry on the damaged, pit or gap to be repaired, leveling, curing at room temperature for 4h, curing at 60 ℃ for 2h, curing at 90 ℃ for 2h and curing at 120 ℃ for 2h, and finishing the repair of the surface defects.
Example 2
The slurry consists of a main component and an additive component, and comprises the following components in percentage by mass based on 100% of the total mass of the main component: 40% of organic silicon resin and 60% of high-temperature resistant filler; the additive components comprise the following components in percentage by mass: the mass fraction of the solvent is 70 percent of the mass of the main component; the mass fraction of the auxiliary agent is 2.5 percent of the mass of the main component.
The organic silicon resin is a mixture consisting of methyl silicon resin and phenyl silicon resin, and the mass ratio of the methyl silicon resin to the phenyl silicon resin is 2: 1.
The high-temperature-resistant filler is composed of boron carbide, silicon powder, kaolin, boron trioxide and mica powder according to the mass ratio of 2:1:3:1: 3.
The solvent is a mixed solution of xylene and absolute ethyl alcohol, and the mass ratio of the xylene to the absolute ethyl alcohol is 1: 2.
The auxiliary agent is a silane coupling agent KH-560.
A method for preparing a slurry for use as a thermal insulating ablation resistant repairable repair agent and coating in accordance with this embodiment comprises the steps of:
(1) adding the organic silicon resin and the auxiliary agent into a beaker, and uniformly stirring to obtain a mixture;
(2) sequentially adding high-temperature-resistant fillers into the beaker filled with the mixture: boron carbide, silicon powder, kaolin, boron trioxide and mica powder; adding absolute ethyl alcohol and xylene into the beaker, and stirring and mixing uniformly; the slurry is stirred and mixed uniformly by a stirrer at the rotating speed of 300r/min for 30min to obtain the dual-purpose slurry for the heat-insulating ablation-resistant maintainable repair agent and the coating.
The application of the slurry for the thermal insulation ablation-resistant maintainable repair agent and the coating is to coat the slurry on the surface of a carbon fiber reinforced polyimide resin matrix, repeatedly coat the slurry until the thickness is 3mm, and cure the slurry at room temperature for 4 hours, 60 ℃ for 2 hours, 90 ℃ for 2 hours and 120 ℃ for 2 hours to prepare the thermal insulation ablation-resistant maintainable coating.
Example 3
The slurry consists of a main component and an additive component, and comprises the following components in percentage by mass based on 100% of the total mass of the main component: 50% of organic silicon resin and 50% of high-temperature resistant filler; the components and the mass fractions of the additive components are as follows: the mass fraction of the solvent is 65 percent of the mass of the main component; the mass fraction of the auxiliary agent is 2 percent of the mass of the main component.
The organic silicon resin is a mixture consisting of methyl silicon resin and phenyl silicon resin, and the mass ratio of the methyl silicon resin to the phenyl silicon resin is 1: 1.
The high-temperature-resistant filler is composed of boron carbide, boron nitride, silicon dioxide, aluminum oxide and mica powder according to a mass ratio of 1:1:3:2: 3.
The solvent is a mixed solution of toluene and xylene, and the mass ratio of the toluene to the xylene is 1: 1.
The auxiliary agent is a silane coupling agent KH-550.
A method for preparing a slurry for use as a thermal insulating ablation resistant repairable repair agent and coating in accordance with this embodiment comprises the steps of:
(1) adding the organic silicon resin and the auxiliary agent into a beaker, and uniformly stirring to obtain a mixture;
(2) sequentially adding high-temperature-resistant fillers into the beaker filled with the mixture: boron carbide, boron nitride, silicon dioxide, aluminum oxide and mica powder; adding toluene and xylene into the beaker, and stirring and mixing uniformly; the slurry is stirred and mixed uniformly by a stirrer at the rotating speed of 500r/min for 15min to obtain the dual-purpose slurry for the heat-insulating ablation-resistant maintainable repair agent and the coating.
The application of the slurry for the thermal insulation and ablation resistance maintainable repair agent and the coating is that the slurry is coated on a tinplate test plate substrate treated by a silane coupling agent, the coating is repeatedly coated until the thickness is 3mm, and then the coating is cured for 5 days at room temperature to prepare the thermal insulation and ablation resistance maintainable coating.
Example 4
The slurry consists of a main component and an additive component, and comprises the following components in percentage by mass based on 100% of the total mass of the main component: 60% of organic silicon resin and 40% of high-temperature resistant filler; the components and the mass fractions of the additive components are as follows: the mass fraction of the solvent is 60 percent of the mass of the main component; the mass fraction of the auxiliary agent is 1.5 percent of the mass of the main component.
The organic silicon resin is a mixture consisting of methyl silicon resin and phenyl silicon resin, and the mass ratio of the methyl silicon resin to the phenyl silicon resin is 1: 2.
The high-temperature-resistant filler is composed of aluminum oxide, hollow glass beads, silicon dioxide, boron trioxide and titanium dioxide according to a mass ratio of 2:4:1:2: 1.
The solvent is a mixed solution of xylene and isopropanol, and the mass ratio of the xylene to the isopropanol is 1: 1.
The assistant is a mixed solution of a silane coupling agent KH-560 and hexamethyldisilazane, and the mass ratio of KH-560 to hexamethyldisilazane is 1: 2.
A method for preparing a slurry for use as a thermal insulating ablation resistant repairable repair agent and coating in accordance with this embodiment comprises the steps of:
(1) adding the organic silicon resin and the auxiliary agent into a beaker, and uniformly stirring to obtain a mixture;
(2) sequentially adding high-temperature-resistant fillers into the beaker filled with the mixture: aluminum oxide, hollow glass beads, silicon dioxide, boron trioxide and titanium dioxide; adding dimethylbenzene and isopropanol into the beaker, and stirring and mixing uniformly; the slurry is stirred and mixed uniformly by a stirrer at the rotating speed of 500r/min for 15min to obtain the dual-purpose slurry for the heat-insulating ablation-resistant maintainable repair agent and the coating.
The application of the slurry for the thermal insulation and ablation resistance maintainable repair agent and the coating is to coat the slurry on a porous ceramic tile substrate, repeatedly coat the slurry until the thickness is 3mm, and cure the slurry for 5 days at room temperature to prepare the thermal insulation and ablation resistance maintainable coating.
The performance of the heat-insulating ablation-resistant maintainable coating prepared in examples 2 to 4 was tested as follows:
(1) density of
The test instrument is a rubber-plastic densitometer MH-600A, Shanghai Guanwei instruments Inc., with a density unit of g cm-3；
(2) Thermal conductivity
The test instrument is a thermal conductivity coefficient tester, DRE-III, Hunan Tan instruments Ltd, and the unit of thermal conductivity is W/m.k-1；
(3) Mass ablation rate
The sample was subjected to an ablation experiment using oxyacetylene, with a surface ablation time of 60s and a surface ablation temperature of 1300 ℃. The mass ablation rate is the mass lost by ablation per unit time, in g.s-1×10-3Represents;
(4) rate of line ablation
The sample was subjected to an ablation experiment using oxyacetylene, with a surface ablation time of 60s and a surface ablation temperature of 1300 ℃. The line ablation rate is the thickness of the material reduced by ablation per unit time, in mm · s-1×10-3Represents;
the test results are shown in table 1.
TABLE 1 Performance test results for thermal insulating ablation-resistant coatings prepared in examples 2-4
Example 5
After the heat-insulating ablation-resistant maintainable repair material or coating prepared in the embodiments 1 to 4 is worn or partially broken, the whole maintenance can be performed due to the low hardness, and the coating at the worn or broken part can be scraped and recoated separately for maintenance. The amount of maintenance required for the remaining substrate and primary coating can be greatly reduced, thus also reducing material costs; after maintenance, the coating is flat and smooth and can be continuously used after re-curing, so that the maintenance time and the maintenance strength after the surfaces of the matrix and the coating are abraded are greatly reduced, the material waste is reduced, and the material cost is reduced.
Claims (10)
1. A dual-purpose slurry for a heat-insulating ablation-resistant maintainable repairing agent and a coating is characterized in that: the formula of the slurry comprises a main component and an additive component, wherein the main component comprises the following components in percentage by mass based on 100% of the total mass of the main component:
40 to 60 percent of organic silicon resin,
40 to 60 percent of high-temperature resistant filler;
the additive component comprises a solvent, and the mass of the solvent is 60-70% of the mass of the main component.
2. The dual-purpose slurry for thermal insulation and ablation resistance maintenance repair agent and coating of claim 1, wherein: the organic silicon resin is at least one of methyl silicon resin, phenyl silicon resin and methyl phenyl silicon resin; the solvent is at least one of toluene, xylene, isopropanol and absolute ethyl alcohol.
3. The dual-purpose slurry for thermal insulation and ablation resistance maintenance repair agent and coating of claim 1, wherein: the high-temperature resistant filler is more than 5 of kaolin, mica powder, aluminum oxide, silicon powder, boron carbide, hollow glass microspheres, boron nitride, silicon dioxide, titanium dioxide, boron trioxide, phenolic microspheres, inorganic aerogel powder, ceramic fibers, chopped carbon fibers and silicon dioxide hollow microspheres.
4. The dual-purpose slurry for thermal insulating ablation-resistant maintainable repair agent and coating of claim 3, wherein: the ceramic fiber is chopped mullite fiber.
5. The slurry for use as a thermal insulation and ablation resistant maintenance repair agent and coating according to any one of claims 1 to 4, wherein: the additive component also comprises an auxiliary agent; the components and the mass fractions of the additive components are as follows:
60 to 70 percent of the mass of the main component of the solvent,
1.5-2.5% of the mass of the main component of the auxiliary agent;
the auxiliary agent is at least one of silane coupling agent KH-550, silane coupling agent KH-560 and hexamethyldisilazane.
6. The invention as claimed in claim 5, wherein the preparation method of the slurry for thermal insulation and ablation resistance maintenance repair agent and coating comprises the following steps: the method comprises the following steps:
(1) mixing the organic silicon resin and the auxiliary agent, and uniformly stirring to obtain a mixture;
(2) and adding a high-temperature-resistant filler into the mixture, adding a solvent, and uniformly mixing for less than or equal to 30min to obtain the slurry for both the heat-insulating ablation-resistant maintainable repair agent and the coating.
7. Use of a slurry according to any one of claims 1 to 4 for both thermal insulating ablation resistant maintenance repair and coating applications, wherein: and coating the slurry on the defects such as gaps, pits, damages and the like to be repaired, completing the repair of the substrate containing the defects after curing, and preparing the heat-insulating ablation-resistant maintainable coating after curing.
8. The use of a dual-purpose slurry of an insulating ablation-resistant repairable repair agent and a coating according to claim 7, wherein: the curing conditions were: curing for 3-6 h at room temperature, curing for 2h at 60 ℃, curing for 2h at 90 ℃ and curing for 2h at 120 ℃ in sequence;
or standing at room temperature for 3-6 days.
9. Use of the dual-purpose slurry of an insulating ablation-resistant repairable repair agent and coating of claim 5, wherein: and coating the slurry on the defects such as gaps, pits, damages and the like to be repaired, completing the repair of the substrate containing the defects after curing, and preparing the heat-insulating ablation-resistant maintainable coating after curing.
10. The use of a dual-purpose slurry of an insulating ablation-resistant serviceable healant and coating according to claim 9, wherein: the curing conditions were: curing for 3-6 h at room temperature, curing for 2h at 60 ℃, curing for 2h at 90 ℃ and curing for 2h at 120 ℃ in sequence;
or standing at room temperature for 3-6 days.
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| CN111662599A (en) * | 2020-05-11 | 2020-09-15 | 江苏理想空间装饰工程股份有限公司 | Sound-insulation heat-preservation self-cleaning wall paint and preparation method thereof |
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| CN113817351A (en) * | 2021-10-13 | 2021-12-21 | 西安长峰机电研究所 | Light ablation-resistant room-temperature fast-curing heatproof repair putty and preparation method thereof |
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| CN115536436A (en) * | 2021-06-30 | 2022-12-30 | 航天特种材料及工艺技术研究所 | Repairing method of carbon fiber toughened ceramic matrix composite material member |
| CN115991608A (en) * | 2022-12-26 | 2023-04-21 | 内蒙古航天红岗机械有限公司 | Preparation method of endogenous fiber reinforced carbon/Tao Hou lining material |
| CN115991608B (en) * | 2022-12-26 | 2024-05-10 | 内蒙古航天红岗机械有限公司 | Preparation method of endogenous fiber reinforced carbon/Tao Hou lining material |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0598163A (en) * | 1990-02-21 | 1993-04-20 | Dow Corning Corp | Curable nonsolvent organosiloxane composition containing fluorescent dye and preparation thereof |
| WO2000039220A1 (en) * | 1998-12-23 | 2000-07-06 | Obschestvennoe Obiedinenie 'evrazyskoe Fizicheskoe Obschestvo' | Composition for producing a silicone elastomer curable at room temperature and method for producing said elastomer |
| EP1927634A1 (en) * | 2006-11-28 | 2008-06-04 | Shinetsu Chemical Co., Ltd. | Emulsion coating agent composition and coated products thereof |
| CN106118307A (en) * | 2016-07-05 | 2016-11-16 | 马承银 | A kind of building coating with heat-insulation and heat-preservation function and preparation method thereof |
| CN109294442A (en) * | 2018-09-19 | 2019-02-01 | 航天材料及工艺研究所 | Anti- heat insulating coat of a kind of high temperature resistant low fever erosion and preparation method thereof |
-
2019
- 2019-11-29 CN CN201911206403.0A patent/CN110819228B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0598163A (en) * | 1990-02-21 | 1993-04-20 | Dow Corning Corp | Curable nonsolvent organosiloxane composition containing fluorescent dye and preparation thereof |
| WO2000039220A1 (en) * | 1998-12-23 | 2000-07-06 | Obschestvennoe Obiedinenie 'evrazyskoe Fizicheskoe Obschestvo' | Composition for producing a silicone elastomer curable at room temperature and method for producing said elastomer |
| EP1927634A1 (en) * | 2006-11-28 | 2008-06-04 | Shinetsu Chemical Co., Ltd. | Emulsion coating agent composition and coated products thereof |
| CN106118307A (en) * | 2016-07-05 | 2016-11-16 | 马承银 | A kind of building coating with heat-insulation and heat-preservation function and preparation method thereof |
| CN109294442A (en) * | 2018-09-19 | 2019-02-01 | 航天材料及工艺研究所 | Anti- heat insulating coat of a kind of high temperature resistant low fever erosion and preparation method thereof |
Cited By (15)
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|---|---|---|---|---|
| CN111662599A (en) * | 2020-05-11 | 2020-09-15 | 江苏理想空间装饰工程股份有限公司 | Sound-insulation heat-preservation self-cleaning wall paint and preparation method thereof |
| CN111621174A (en) * | 2020-05-13 | 2020-09-04 | 江苏理想空间装饰工程股份有限公司 | Waterproof, water-resistant and anti-cracking heat-insulation wall coating for building outer wall and preparation method thereof |
| CN111576053A (en) * | 2020-06-05 | 2020-08-25 | 天津工业大学 | Three-layer coating flexible thermal protection material product and preparation method thereof |
| CN112322040A (en) * | 2020-10-13 | 2021-02-05 | 西安近代化学研究所 | Organic silicon heat insulation layer for engine and preparation method thereof |
| CN115536436A (en) * | 2021-06-30 | 2022-12-30 | 航天特种材料及工艺技术研究所 | Repairing method of carbon fiber toughened ceramic matrix composite material member |
| CN115536436B (en) * | 2021-06-30 | 2023-06-30 | 航天特种材料及工艺技术研究所 | Repairing method of carbon fiber toughened ceramic matrix composite member |
| CN113817351A (en) * | 2021-10-13 | 2021-12-21 | 西安长峰机电研究所 | Light ablation-resistant room-temperature fast-curing heatproof repair putty and preparation method thereof |
| CN114012877A (en) * | 2021-11-12 | 2022-02-08 | 航天特种材料及工艺技术研究所 | Reinforcing method of continuous carbon fiber toughened ceramic matrix composite material |
| CN114012877B (en) * | 2021-11-12 | 2023-04-21 | 航天特种材料及工艺技术研究所 | Reinforcing method of continuous carbon fiber toughened ceramic matrix composite |
| CN114163208A (en) * | 2022-02-10 | 2022-03-11 | 北京玻钢院复合材料有限公司 | Acidic inorganic repairing agent and preparation method and repairing method thereof |
| CN114163208B (en) * | 2022-02-10 | 2022-05-13 | 北京玻钢院复合材料有限公司 | Acidic inorganic repairing agent and preparation method and repairing method thereof |
| CN114479602A (en) * | 2022-03-15 | 2022-05-13 | 航天特种材料及工艺技术研究所 | Repair coating for aerogel surface defects and preparation method and application thereof |
| CN114479602B (en) * | 2022-03-15 | 2023-01-31 | 航天特种材料及工艺技术研究所 | Repair coating for aerogel surface defects and preparation method and application thereof |
| CN115991608A (en) * | 2022-12-26 | 2023-04-21 | 内蒙古航天红岗机械有限公司 | Preparation method of endogenous fiber reinforced carbon/Tao Hou lining material |
| CN115991608B (en) * | 2022-12-26 | 2024-05-10 | 内蒙古航天红岗机械有限公司 | Preparation method of endogenous fiber reinforced carbon/Tao Hou lining material |
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