CN107652827B - A kind of anti-insulating moulding coating and preparation method thereof - Google Patents
A kind of anti-insulating moulding coating and preparation method thereof Download PDFInfo
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- CN107652827B CN107652827B CN201710935820.3A CN201710935820A CN107652827B CN 107652827 B CN107652827 B CN 107652827B CN 201710935820 A CN201710935820 A CN 201710935820A CN 107652827 B CN107652827 B CN 107652827B
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D161/00—Coating compositions based on condensation polymers of aldehydes or ketones; Coating compositions based on derivatives of such polymers
- C09D161/04—Condensation polymers of aldehydes or ketones with phenols only
- C09D161/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
- C09D161/14—Modified phenol-aldehyde condensates
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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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/04—Ingredients characterised by their shape and organic or inorganic ingredients
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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
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
- C08K2003/322—Ammonium phosphate
- C08K2003/323—Ammonium polyphosphate
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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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/346—Clay
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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
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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
- C08K7/00—Use of ingredients characterised by shape
- C08K7/22—Expanded, porous or hollow particles
- C08K7/24—Expanded, porous or hollow particles inorganic
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
It is an object of that present invention to provide a kind of anti-insulating moulding coatings, solve the problems, such as the thermal protection of aircraft and construction technology problem under particular flight environment, coating is by Effect of Organosilicon-modified Phenol-formaldehyde Resin, hollow ceramic microspheres, barium metaborate, vermiculite power, ammonium polyphosphate APP 1000 and organobentonite composition, its mass ratio is 35~40%:10~12%:10~12%:15~18%:10~15%:8~10%, the Effect of Organosilicon-modified Phenol-formaldehyde Resin selected in coating, phenolic resin high temperature resistant is gathered, the performance advantage and organic siliconresin excellent mechanical property and weatherability of anti-ablation, it can cooperatively form dense protective layer in coating surface under pneumatic thermal environment with filler selected by coating, the protective layer can effectively stop the ablation of thermal current to be washed away, and absorb the heat of high-temperature particle, to It plays the thermal protection to bottom material and is thermally isolated.Meet a variety of space products prevents heat-insulated demand.
Description
Technical field
The present invention relates to a kind of anti-insulating moulding coatings and its preparation method and application, when especially one kind can be subjected to long, height
Temperature, anti-insulating moulding coating of high speed pneumatic thermal ablation and preparation method thereof.
Background technique
With the raising of weaponry flying speed, the increase of range and the extension of endoatmosphere flight time, flight
The thermal environment that device is born is increasingly harsh.High temperature, high-speed flow souring under, based on ablation consumption mechanism traditional solar heat protection
Coating shows the problems such as coated thread ablation amount is big, ablation shape is coarse, out-of-flatness.The design of another aspect aircraft lighting
Theory proposes requirements at the higher level to the anti-thermal efficiency of thermal protective coating.
In the article " development and application of thermal protective coating FT-22 " of " composite material innovation and sustainable development (first volume) "
In, discuss experimental condition, test piece model and the wind tunnel test knot of FT-22 thermal protective coating test piece Aerodynamic Heating ablation test
Fruit." test is tested using orbital simulation, and experimental condition is that hot face temperature is 1008 DEG C, time 79s.Test piece model is
Ground is the casting magnesium plate of 5mm thickness, and coating layer thickness about 3mm is polished coarse on one side having a size of 150mm × 150mm, uses solvent
It cleans up, first spray-applied primer, then sprays FT-22 heat-resistant paint." wind tunnel experimental results about FT-22 thermal protective coating, Wen Zhong
Discuss in this way: " results of wind tunnel can be seen that FT-22 thermal protective coating after ablation, and hot face temperature is from 1008
It DEG C is reduced to 160 DEG C, and surfacing carbonization, crackle occurs, the phenomenon that without any peeling, pitting corrosion, illustrate that FT-22 is anti-
Hot coating has good high temperature resistant heat insulation effect, and the charring layer thermal conductivity that ablation is formed is low, scour resistance is excellent, meets examination
Requirement of the piece back temperature less than 250 DEG C." and table temperature will be more than 1000 DEG C when aircraft high-speed flight of new generation, the time is up to hundreds of
Second, the design thickness of new model aircraft thermal protective coating is only but 2mm, proposes pole to the heat resistance and the anti-thermal efficiency of coating
High request, the heat-resistant paint mentioned in article are the Typical Representatives of traditional heat-resistant paint, have been unable to meet aerospace of new generation
The anti-heat demand of product.
Summary of the invention
It is an object of that present invention to provide it is a kind of be subjected to long when, high temperature, high speed pneumatic thermal ablation intermediate temperature setting solar heat protection painting
Material and its preparation application method, solve the problems, such as the thermal protection of aircraft and construction technology problem under particular flight environment.
The coating is coated on piece surface, and the combustion gas stream ablation that 2mm thickness can withstand 1000-1200 DEG C is washed away, held
Phenomena such as part back temperature is lower than 200 DEG C after continuous 200s, and coating ablated surface is smooth, no any crackle, peeling, very well
The characteristics of embodying sintering dimension shape under the conditions of the coating Aerodynamic Heating and efficiently prevent heat-insulated advantage.
A kind of anti-insulating moulding coating, by Effect of Organosilicon-modified Phenol-formaldehyde Resin, hollow ceramic microspheres (40 μm -100 μm of partial size), inclined boron
Sour barium (- 400 mesh of 200 mesh of fineness), vermiculite power (density 100-350kg/m3), ammonium polyphosphate APP 1000 and organobentonite group
At mass ratio is 35~40%:10~12%:10~12%:15~18%:10~15%:8~10%, the side of preparation
Method are as follows:
The first step weighs empty according to 10~12%:10~12%:15~18%:10~15%:8~10% mass ratio
Heart ceramic microsphere (40 μm -100 μm of partial size), barium metaborate (- 400 mesh of 200 mesh of fineness), vermiculite power (density 100-350kg/
m3), five kinds of powders of ammonium polyphosphate APP 1000 and organobentonite；
Five kinds of powders are tentatively mixed and are put into baking 4h or more in 60 DEG C of baking oven by second step；
Third step weighs Effect of Organosilicon-modified Phenol-formaldehyde Resin according to 35~40% mass ratio；
Powder after drying is added in Effect of Organosilicon-modified Phenol-formaldehyde Resin by the 4th step, a small amount of that acetone repeatedly is added not
Disconnected stirring is rubbed up to uniform state, and coating semi-finished product are made；
5th step filters above-mentioned coating semi-finished product by 100 mesh sieve, and by residue remaining on sieve, agglomeration etc.
Filter is into coating after grinding；
6th step, proper amount of acetone is added, above-mentioned coating is modulated into viscosity is 16~22s (applying -4 glasss of measurements)；
After heat-resistant paint prepares, prepared coating is sprayed on clean piece surface with conventional pneumatic spray gun (can be into
Row sandblasting or grinding process), 0.2~0.4MPa of spray pressure, spray gun and 200~300mm of piece surface distance, every time spraying are thick
Degree 0.1~0.2mm of control, first pass hang 60min after spraying under normal temperature conditions, then carry out second time spraying, hang
It is sprayed again after 60min, repeat to spray-process is hung, until 2.0 ± 0.2mm of thickness as defined in reaching, finally puts part
Enter baking oven, 4h is toasted under the conditions of 120 DEG C, coating completes curing molding.
The Effect of Organosilicon-modified Phenol-formaldehyde Resin selected in coating has gathered phenolic resin high temperature resistant, the performance advantage of anti-ablation
The mechanical property and weatherability excellent with organic siliconresin, it can be in coating surface under pneumatic thermal environment with filler selected by coating
Dense protective layer is cooperatively formed, which can effectively stop the ablation of thermal current to be washed away, and absorb the heat of high-temperature particle
Amount, to play the thermal protection to bottom material and be thermally isolated.Due to selected resin matrix and a variety of heatproofs, wear resistant filler
Collective effect, heat-resistant paint molding 2mm thickness can resist High Mach number, high enthalpy (up to 2000kJ/kg) thermal current environment
Long-time (hundreds of seconds) ablation wash away, for highest table temperature up to thousands of degrees Celsius, ablated surface is smooth, and is not generating
Degrade, crack, any ablation problem such as bulge while play excellent heat insulation.The coating can satisfy multinomial aviation
The anti-heat demand of space product.
Specific embodiment
Embodiment one
A kind of anti-insulating moulding coating, by Effect of Organosilicon-modified Phenol-formaldehyde Resin, hollow ceramic microspheres (60 μm -100 μm of partial size), inclined boron
Sour barium (300 mesh), vermiculite power (density 200kg/m3), ammonium polyphosphate APP 1000 and organobentonite composition, mass ratio difference
For 35%:10%:12%:18%:15%:10%, weighing quality is respectively 350g:100g:120g:180g:150g:100g,
Its method prepared are as follows:
The first step weighs hollow ceramic microspheres (60 μm -100 μm of partial size), barium metaborate (300 mesh), leech with electronic balance
Mountain flour (density 200kg/m3), ammonium polyphosphate APP 1000 and organobentonite composition, mass ratio is respectively 10%:12%:
18%:15%:10%, weighing quality is respectively 100g:120g:180g:150g:100g；
Five kinds of powders are tentatively mixed and are put into baking 4h or more in 60 DEG C of baking oven by second step；
Third step weighs Effect of Organosilicon-modified Phenol-formaldehyde Resin 350g with electronic balance；
Powder after drying is added in Effect of Organosilicon-modified Phenol-formaldehyde Resin by the 4th step, a small amount of that acetone repeatedly is added not
Disconnected stirring rubs up, and coating semi-finished product are made；
5th step filters above-mentioned coating semi-finished product by 100 mesh sieve, and by residue remaining on sieve, agglomeration etc.
Filter is into coating after grinding；
6th step, proper amount of acetone is added, above-mentioned coating is modulated into viscosity is 16~22s (applying -4 glasss of measurements)；
After heat-resistant paint prepares, prepared coating is sprayed on clean piece surface with conventional pneumatic spray gun (can be into
Row sandblasting or grinding process), 0.2~0.4MPa of spray pressure, spray gun and 200~300mm of piece surface distance, every time spraying are thick
Degree 0.1~0.2mm of control, first pass hang 60min after spraying under normal temperature conditions, then carry out second time spraying, hang
It is sprayed again after 60min, repeat to spray-process is hung, until 2.0 ± 0.2mm of thickness as defined in reaching, finally puts part
Enter baking oven, 4h is toasted under the conditions of 120 DEG C, coating completes curing molding.
Embodiment two
A kind of anti-insulating moulding coating, by Effect of Organosilicon-modified Phenol-formaldehyde Resin, hollow ceramic microspheres (40 μm -80 μm of partial size), inclined boron
Sour barium (250 mesh), vermiculite power (density 300kg/m3), ammonium polyphosphate APP 1000 and organobentonite composition, mass ratio difference
For 40%:12%:10%:15%:15%:8%, weighing quality is respectively 400g:120g:100g:150g:150g:80g,
The method of preparation are as follows:
The first step weighs hollow ceramic microspheres (40 μm -80 μm of partial size), barium metaborate (250 mesh), vermiculite with electronic balance
Powder (density 300kg/m3), five kinds of powders of ammonium polyphosphate APP 1000 and organobentonite, quality is respectively 120g:100g:
150g:150g:80g；
Five kinds of powders are tentatively mixed and are put into baking 4h or more in 60 DEG C of baking oven by second step；
Third step weighs Effect of Organosilicon-modified Phenol-formaldehyde Resin 400g with electronic balance；
Powder after drying is added in Effect of Organosilicon-modified Phenol-formaldehyde Resin by the 4th step, a small amount of that acetone repeatedly is added not
Disconnected stirring rubs up, and coating semi-finished product are made；
5th step filters above-mentioned coating semi-finished product by 100 mesh sieve, and by residue remaining on sieve, agglomeration etc.
Filter is into coating after grinding；
6th step, proper amount of acetone is added, above-mentioned coating is modulated into viscosity is 16~22s (applying -4 glasss of measurements)；
After heat-resistant paint prepares, prepared coating is sprayed on clean piece surface with conventional pneumatic spray gun (can be into
Row sandblasting or grinding process), 0.2~0.4MPa of spray pressure, spray gun and 200~300mm of piece surface distance, every time spraying are thick
Degree 0.1~0.2mm of control, first pass hang 60min after spraying under normal temperature conditions, then carry out second time spraying, hang
It is sprayed again after 60min, repeat to spray-process is hung, until 2.0 ± 0.2mm of thickness as defined in reaching, finally puts part
Enter baking oven, 4h is toasted under the conditions of 120 DEG C, coating completes curing molding.
Embodiment three
A kind of anti-insulating moulding coating, by Effect of Organosilicon-modified Phenol-formaldehyde Resin, hollow ceramic microspheres (40 μm -80 μm of partial size), inclined boron
Sour barium (400 mesh), vermiculite power (density 250kg/m3), ammonium polyphosphate APP 1000 and organobentonite composition, mass ratio difference
For 38%:12%:10%:18%:12%:10%, weighing quality is respectively 380g:120g:100g:180g:120g:100g,
Its method prepared are as follows:
The first step weighs hollow ceramic microspheres (40 μm -80 μm of partial size), barium metaborate (400 mesh), vermiculite with electronic balance
Powder (density 250kg/m3), five kinds of powders of ammonium polyphosphate APP 1000 and organobentonite, quality is respectively 120g:100g:
180g:120g:100g；
Five kinds of powders are tentatively mixed and are put into baking 4h or more in 60 DEG C of baking oven by second step；
Third step weighs Effect of Organosilicon-modified Phenol-formaldehyde Resin 380g with electronic balance；
Powder after drying is added in Effect of Organosilicon-modified Phenol-formaldehyde Resin by the 4th step, a small amount of that acetone repeatedly is added not
Disconnected stirring rubs up, and coating semi-finished product are made；
5th step filters above-mentioned coating semi-finished product by 100 mesh sieve, and by residue remaining on sieve, agglomeration etc.
Filter is into coating after grinding；
6th step, proper amount of acetone is added, above-mentioned coating is modulated into viscosity is 16~22s (applying -4 glasss of measurements)；
After heat-resistant paint prepares, prepared coating is sprayed on clean piece surface with conventional pneumatic spray gun (can be into
Row sandblasting or grinding process), 0.2~0.4MPa of spray pressure, spray gun and 200~300mm of piece surface distance, every time spraying are thick
Degree 0.1~0.2mm of control, first pass hang 60min after spraying under normal temperature conditions, then carry out second time spraying, hang
It is sprayed again after 60min, repeat to spray-process is hung, until 2.0 ± 0.2mm of thickness as defined in reaching, finally puts part
Enter baking oven, 4h is toasted under the conditions of 120 DEG C, coating completes curing molding.
Claims (5)
1. a kind of anti-insulating moulding coating, which is characterized in that by Effect of Organosilicon-modified Phenol-formaldehyde Resin, 40 μm of -100 μm of sections of partial size it is hollow
Ceramic microsphere, -400 mesh section of 200 mesh of fineness barium metaborate, density 100-350kg/m3Vermiculite power, ammonium polyphosphate
APP1000 and organobentonite composition, mass ratio be 35~40%:10~12%:10~12%:15~18%:10~
15%:8~10%.
2. anti-insulating moulding coating as described in claim 1, which is characterized in that the mass ratio of six kinds of components is 35%:10%:
12%:18%:15%:10%.
3. anti-insulating moulding coating as described in claim 1, which is characterized in that the mass ratio of six kinds of components is 40%:12%:
10%:15%:15%:8%.
4. anti-insulating moulding coating as described in claim 1, which is characterized in that the mass ratio of six kinds of components is 38%:12%:
10%:18%:12%:10%.
5. the preparation method of anti-insulating moulding coating as described in claim 1, which comprises the following steps:
The first step weighs 40 μ of partial size according to 10~12%:10~12%:15~18%:10~15%:8~10% mass ratio
M-100 μm of hollow ceramic microspheres, -400 mesh barium metaborate of 200 mesh of fineness, density 100-350kg/m3Vermiculite power, ammonium polyphosphate
Five kinds of powders of APP1000 and organobentonite；
Five kinds of powders are tentatively mixed and are put into baking 4h or more in 60 DEG C of baking oven by second step；
Third step weighs Effect of Organosilicon-modified Phenol-formaldehyde Resin according to 35~40% mass ratio；
Powder after drying is added in Effect of Organosilicon-modified Phenol-formaldehyde Resin by the 4th step, a small amount of that acetone is repeatedly added and constantly stirs
It mixes and rubs up to uniform state, coating semi-finished product are made；
Above-mentioned coating semi-finished product are filtered by 100 mesh sieve, and residue remaining on sieve, agglomeration etc. are ground by the 5th step
Filter is into coating after crushing；
6th step, proper amount of acetone is added, above-mentioned coating is modulated into viscosity is 16~22s, is measured with applying -4 glasss；
Prepared coating after anti-insulating moulding coating prepares, is sprayed on clean piece surface with conventional pneumatic spray gun by the 7th step,
0.2~0.4MPa of spray pressure, spray gun and 200~300mm of piece surface distance, it is every all over coating thickness control 0.1~
0.2mm, first pass hang 60min after spraying under normal temperature conditions, then carry out second time spraying, spray again after hanging 60min
It applies, repeats to spray-hang process, until 2.0 ± 0.2mm of thickness as defined in reaching, part is finally put into baking oven, 120
4h is toasted under the conditions of DEG C, coating completes curing molding.
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| CN111849223A (en) * | 2020-07-30 | 2020-10-30 | 北京天仁道和新材料有限公司 | Molybdenum disulfide coating and preparation method and application thereof |
| CN113478872B (en) * | 2021-06-30 | 2023-02-28 | 北京新风航天装备有限公司 | Construction method of high-color-ratio heat-insulation-preventing coating |
| CN114196057A (en) * | 2021-11-03 | 2022-03-18 | 湖北航聚科技有限公司 | Flexible heat-proof and heat-insulating material and preparation method thereof |
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| CN103319985A (en) * | 2013-06-27 | 2013-09-25 | 北京航天新风机械设备有限责任公司 | Heatproof coating as well as preparation method and application thereof |
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