CN108034354A - Resistance to 800 DEG C of high temperature ceramic coatings and its preparation process - Google Patents
Resistance to 800 DEG C of high temperature ceramic coatings and its preparation process Download PDFInfo
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- CN108034354A CN108034354A CN201711337785.1A CN201711337785A CN108034354A CN 108034354 A CN108034354 A CN 108034354A CN 201711337785 A CN201711337785 A CN 201711337785A CN 108034354 A CN108034354 A CN 108034354A
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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
- 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
- C08K2003/221—Oxides; Hydroxides of metals of rare earth metal
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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
- C08K2003/2244—Oxides; Hydroxides of metals of zirconium
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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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Abstract
The present invention provides a kind of resistance to 800 DEG C of high temperature ceramic coatings, the ceramic coating is made of the raw material of following parts by weight：Siloxanes：32 40 parts, polyvinyl butyral resin liquid：12~22 parts, inorganic pigment：10 18 parts, filler：16 32 parts, dispersant：0.5 1.4 parts, levelling agent：0.2 1 parts, solvent：36 parts.Resistance to 800 DEG C of high temperature of the present invention is one-component coating with ceramic coating, it is not necessary to the rolling maturing process of traditional ceramics coating complexity, and can guarantee that the integrality of coating property.
Description
Technical field
The present invention relates to technical field of coatings, and in particular to a kind of resistance to 800 DEG C of high temperature ceramic coatings, meanwhile, this
Invention further relates to the preparation process of the coating.
Background technology
With the development of modern science and technology, many industry are (such as：The industry such as petroleum and petrochemical industry, natural gas, metallurgy, mine is high
Temperature smelts the protection of the device outer surfaces such as kiln, burner hearth, rotary kiln, heat exchanger, smoke discharging pipe) in the requirement of hot environment operation
It is higher and higher, it is also increasingly harsher to the performance requirement of high temperature resistant protective coating.At present, main use is that organosilicon is resistance on the market
High-temperature coatings, containing substantial amounts of organic volatile compound (VOC), have great harm, and organosilicon coating for environment
High-temperature resistant coating starts to decompose carbonization at 600 DEG C, and easy firing is smoldered under high temperature, produces toxic gas.
Inorganic nano ceramic coating does not burn under high temperature, does not smolder since it is with green and healthy environmentally friendly characteristic,
No toxic gas release, while can meet the performance of resistance to instantaneous high-temperature, gradually started in high temperature sector application in recent years.
The content of the invention
The present invention provides a kind of resistance to 800 DEG C of high temperature ceramic coatings, can room temperature self-curing, solving ceramic coating needs
The cured problem of high-temperature baking.
A kind of resistance to 800 DEG C of high temperature ceramic coatings, are made of the raw material of following parts by weight：
Siloxanes：32-40 parts
Polyvinyl butyral resin liquid：12~22 parts
Inorganic pigment：10-18 parts
Filler：16-32 parts
Dispersant：0.5-1.4 parts
Levelling agent：0.2-1 parts
Solvent：3-6 parts.
Further, the solvent is at least one of absolute ethyl alcohol, isopropanol, n-butanol.
Further, the siloxanes is methyltrimethoxysilane, methyltriethoxysilane, dimethylformamide dimethyl epoxide
At least one of silane.
Further, it is solvent that the polyvinyl butyral resin liquid, which selects isopropanol or n-butanol, Gu it is 10% to contain.
Further, the filler contains the high melting point glass powder of 750 DEG C of fusing points.
Further, the filler contains potassium titanate crystal whisker, mica powder, wollastonite, alumina fibre, zirconium oxide and oxidation
Yttrium.
Further, the inorganic pigment is at least one of titanium dioxide, copper-chrome black, cobalt blue, titan yellow.
Further, resistance to 800 DEG C of high temperature is made of with ceramic coating the raw material of following parts by weight：
Siloxanes：38 parts
Polyvinyl butyral resin liquid：20 parts
Copper-chrome black：15 parts
Dispersant：0.7 part
Levelling agent：0.3 part
Potassium titanate crystal whisker：3 parts
Mica powder：5 parts
Wollastonite：5 parts
High melting point glass powder：5.5 part
Alumina fibre：3 parts
Zirconium oxide：3 parts
Yittrium oxide：3 parts
Solvent：5 parts
The preparation process of resistance to 800 DEG C of high temperature ceramic coatings, by polyvinyl butyral resin liquid, dispersant,
Levelling agent, solvent are sequentially added in sand mill in proportion, are stirring evenly and then adding into inorganic pigment, filler, and it is 30 μ to be ground to fineness
During m, 160 mesh Double-layer screens are crossed, gets off and calculates yield, then stir lower addition siloxanes, rotating speed 500r/ with homogenizer
Min, after stirring 15-20min, that is, obtains resistance to 800 DEG C of high temperature ceramic coatings.
Resistance to 800 DEG C of high temperature of the present invention is had the advantages that with ceramic coating：
(1) resistance to 800 DEG C of high temperature of the present invention is one-component coating with ceramic coating, it is not necessary to which traditional ceramics applies
Expect complicated rolling maturing process, and can guarantee that the integrality of coating property.The coating can room temperature self-curing, select polyvinyl alcohol
Butyral liquid changes paint thixotropy, stablizes the dust-proof storage characteristics effect of coating, while can substitute siloxanes and form a film at normal temperatures,
Play a transition role, solving ceramic coating needs the cured problem of high-temperature baking.
(2) resistance to 800 DEG C of high temperature ceramic coating filler of the present invention contains high melting point glass powder, high-melting-point glass
Glass powder can be filled to coating gap in 750 DEG C of secondary thawings so that coating forms a film three times, improves consistency under coating high-temp.
(3) resistance to 800 DEG C of high temperature of the present invention with ceramic coating filler by potassium titanate crystal whisker, mica powder, silicon ash
Stone, alumina fibre, zirconium oxide and yittrium oxide composition, with siloxanes scion grafting can occur for potassium titanate crystal whisker, and improve coating
Mechanical performance, strengthen coating pliability when thickness is larger, zirconium oxide can effectively absorber coatings at high temperature crack initiation with
Extension needed for energy, alumina fibre due to its corynebacterium structure can be interlaced be arranged in coating stereoscopic grid,
Reinforcement use is played, triplicity greatly meets coating flex stiffiness energy at ambient and elevated temperatures, meets heat endurance.Silicon
Lime stone is needle-shaped or filamentary structure, can reduce crack-sensitivity degree, improves anti-corrosion of metal ability, and the mica of lamellar structure
Powder collocation can effectively improve resistance to corrosion and scrub performance.Yittrium oxide is since special valence electron structure is to improving coating
High high-temp stability and anticorrosive property have some improvement.The present invention solves coating using special color stuffing compounding use
Thermal coefficient of expansion and base material be inconsistent in hot environment and the crackle that produces, improves coating high-temp flex stiffiness so that apply
Layer can have cold-and-heat resistent alternating impact property at high temperature, meet that the environment such as outdoor rain, snow descend the use of high-temperature service
It is required that.The yittrium oxide added at the same time can be with refiner material crystal grain, elimination grain boundary impurities, and several filler coordinateds, are improved overall
The comprehensive performance of ceramic coating.
(4) present invention preferably titanium dioxide, copper-chrome black, cobalt blue, titanium yellow pigment, high-temperature stability is good, meets resistance to 800 DEG C of high temperature
With the ceramic coating application stability on fire resistant apparatus outdoors.
(5) preparation process of the resistance to 800 DEG C of high temperature ceramic coatings of the present invention, is ground to after specified fineness in stirring shape
Siloxanes is added under state and is uniformly mixed, this is because siloxanes temperature in process of lapping changes with pH value, so as to lead
The storage stability of ceramic coating is caused to be deteriorated.
Embodiment
Based on the design philosophy of the present invention, in the following, using in conjunction with specific embodiments a kind of resistance to 800 DEG C of high temperature of the present invention
Ceramic coating is described in further detail：
Embodiment 1-3
Resistance to 800 DEG C of high temperature is formed as shown in the table with ceramic coating raw material weight：
Resistance to 800 DEG C of high temperature of embodiment 1-3 is prepared with ceramic coating using following methods：
Siloxanes, polyvinyl butyral resin liquid, dispersant, levelling agent, isopropanol are sequentially added in sand mill in proportion,
It is stirring evenly and then adding into high melting point glass powder, potassium titanate crystal whisker, mica powder, wollastonite, the aluminium oxide of copper-chrome black, 750 DEG C of fusing points
Fiber, zirconium oxide, yittrium oxide be ground to fineness for 30 μm when, cross 160 mesh Double-layer screens, get off calculate yield, then with a high speed
Mixer stirring is lower to add siloxanes, and rotating speed 500r/min, after stirring 20min, that is, obtains resistance to 800 DEG C of high temperature nano ceramics
Coating.
Resistance to 800 DEG C of high temperature that embodiment 1-3 is prepared is tested for the property with ceramic coating, and testing result is such as
Shown in following table：
Claims (9)
1. a kind of resistance to 800 DEG C of high temperature ceramic coatings, it is characterised in that the ceramic coating is by following parts by weight
Raw material composition：
Siloxanes：32-40 parts
Polyvinyl butyral resin liquid：12~22 parts
Inorganic pigment：10-18 parts
Filler：16-32 parts
Dispersant：0.5-1.4 parts
Levelling agent：0.2-1 parts
Solvent：3-6 parts.
2. resistance to 800 DEG C of high temperature ceramic coatings according to claim 1, it is characterised in that the solvent is anhydrous
At least one of ethanol, isopropanol, n-butanol.
3. resistance to 800 DEG C of high temperature ceramic coatings according to claim 1, it is characterised in that the siloxanes is first
At least one of base trimethoxy silane, methyltriethoxysilane, dimethyldimethoxysil,ne.
4. resistance to 800 DEG C of high temperature ceramic coatings according to claim 1, it is characterised in that the polyvinyl alcohol contracting
It is solvent that butyraldehyde liquid, which selects isopropanol or n-butanol, Gu it is 10% to contain.
5. resistance to 800 DEG C of high temperature ceramic coatings according to claim 1, it is characterised in that the filler contains 750
The high melting point glass powder of DEG C fusing point.
6. resistance to 800 DEG C of high temperature ceramic coatings according to claim 5, it is characterised in that the filler contains titanium
Sour potassium whisker, mica powder, wollastonite, alumina fibre, zirconium oxide and yittrium oxide.
7. resistance to 800 DEG C of high temperature ceramic coatings according to claim 6, it is characterised in that the inorganic pigment
For at least one of titanium dioxide, copper-chrome black, cobalt blue, titan yellow.
8. resistance to 800 DEG C of high temperature ceramic coatings according to claim 7, it is characterised in that the nano ceramics applies
Material is made of the raw material of following parts by weight：
Siloxanes：38 parts
Polyvinyl butyral resin liquid：20 parts
Copper-chrome black：15 parts
Dispersant：0.7 part
Levelling agent：0.3 part
Potassium titanate crystal whisker：3 parts
Mica powder：5 parts
Wollastonite：5 parts
High melting point glass powder：5.5 part
Alumina fibre：3 parts
Zirconium oxide：3 parts
Yittrium oxide：3 parts
Solvent：5 parts.
9. a kind of preparation process of resistance to 800 DEG C of high temperature ceramic coatings as any one of claim 1-8, it is special
Sign is, polyvinyl butyral resin liquid, dispersant, levelling agent, solvent is sequentially added in sand mill in proportion, after stirring evenly
Add inorganic pigment, filler, be ground to fineness for 30 μm when, cross 160 mesh Double-layer screens, get off calculate yield, then with a high speed
Mixer stirring is lower to add siloxanes, and rotating speed 500r/min, after stirring 15-20min, that is, obtains resistance to 800 DEG C of high temperature nanometers
Ceramic coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711337785.1A CN108034354B (en) | 2017-12-14 | 2017-12-14 | Nano ceramic coating for resisting high temperature of 800 ℃ and preparation process thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711337785.1A CN108034354B (en) | 2017-12-14 | 2017-12-14 | Nano ceramic coating for resisting high temperature of 800 ℃ and preparation process thereof |
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| Publication Number | Publication Date |
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| CN108034354A true CN108034354A (en) | 2018-05-15 |
| CN108034354B CN108034354B (en) | 2020-04-28 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108774462A (en) * | 2018-06-08 | 2018-11-09 | 湖南航天三丰科工有限公司 | A kind of room curing and high temperature resistant anticorrosive paint and preparation method thereof |
| CN110684381A (en) * | 2019-10-12 | 2020-01-14 | 虎皇新材料科技集团有限公司 | Water-based paint capable of replacing ceramic glaze ground coat and preparation method thereof |
| CN112592627A (en) * | 2020-12-04 | 2021-04-02 | 湖南格仑新材股份有限公司 | Production and preparation method of anticorrosive paint |
| CN116333591A (en) * | 2023-02-07 | 2023-06-27 | 雷索新材料(苏州)有限公司 | High-temperature flame-retardant insulating coating and preparation method thereof |
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| CN103113768A (en) * | 2013-03-08 | 2013-05-22 | 苏州纳迪微电子有限公司 | High temperature resistant coating for engine exhaust system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108774462A (en) * | 2018-06-08 | 2018-11-09 | 湖南航天三丰科工有限公司 | A kind of room curing and high temperature resistant anticorrosive paint and preparation method thereof |
| CN108774462B (en) * | 2018-06-08 | 2020-08-07 | 湖南航天三丰科工有限公司 | Room-temperature-curing high-temperature-resistant anticorrosive coating and preparation method thereof |
| CN110684381A (en) * | 2019-10-12 | 2020-01-14 | 虎皇新材料科技集团有限公司 | Water-based paint capable of replacing ceramic glaze ground coat and preparation method thereof |
| CN112592627A (en) * | 2020-12-04 | 2021-04-02 | 湖南格仑新材股份有限公司 | Production and preparation method of anticorrosive paint |
| CN116333591A (en) * | 2023-02-07 | 2023-06-27 | 雷索新材料(苏州)有限公司 | High-temperature flame-retardant insulating coating and preparation method thereof |
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| CN108034354B (en) | 2020-04-28 |
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