CN111040497A - Ceramizable flame-retardant organic silicon coating and preparation method thereof - Google Patents
Ceramizable flame-retardant organic silicon coating and preparation method thereof Download PDFInfo
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- CN111040497A CN111040497A CN201911366144.8A CN201911366144A CN111040497A CN 111040497 A CN111040497 A CN 111040497A CN 201911366144 A CN201911366144 A CN 201911366144A CN 111040497 A CN111040497 A CN 111040497A
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- parts
- flame
- ceramifiable
- organic silicon
- retardant
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Classifications
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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
- 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
- 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
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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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
- C08L2201/02—Flame or fire retardant/resistant
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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 provides a ceramifiable flame-retardant organic silicon coating and a preparation method thereof, wherein the ceramifiable organic silicon coating comprises the following components in parts by weight: 300 parts of organic silicon resin, 0-70 parts of reinforcing filler, 0-30 parts of anti-structuring auxiliary agent, 150-300 parts of special filler, 0-1500 parts of diluent and 10-30 parts of curing agent; the special filler comprises one or more of mica, wollastonite, kaolin, powdered glass, asbestos fiber, glass fiber, a boron-containing compound, zinc oxide, hollow glass beads and floating beads, and plays a role of bridging, the ash produced by burning the silicone rubber and the reinforcing filler are sintered to generate a ceramic-like structure to cover the surface of the internal component, so that oxygen is isolated, heat is insulated, the combustion process is prevented from continuing to diffuse to the internal structure, and the internal component is prevented from being directly exposed at high temperature and in a combustion environment.
Description
Technical Field
The invention relates to the technical field of organic silicon coatings, in particular to a ceramizable flame-retardant organic silicon coating which has the effects of excellent electrical insulation, flame retardance, waterproofness, high and low temperature resistance, weather resistance, ozone resistance, no toxicity, no odor (zero formaldehyde) and the like.
Background
In the fields of construction industry, mechanical industry, electronic industry and aerospace, coatings are often used for surface treatment of substrates for aesthetic purposes; secondly, the material used is endowed with certain characteristics, and a coating layer with special properties is formed by special paint. Such as: the outer layer of the black box is used for heat insulation protection, the rocket engine is used for fire prevention and heat insulation, and the electronic components are used for electric insulation protection.
The progress of science and technology promotes the development of national economy, and the development of national economy urgently needs new technology and new technology.
The ceramizable flame-retardant organic silicon coating has rubber performance under a normal temperature (normal) working state, and meets aesthetic requirements; when the high-temperature or fire disaster occurs, the ceramizable flame-retardant organic silicon coating forms a compact ceramizable protective film on the surface of the component, so that the internal component is prevented from being directly exposed in the high-temperature and combustion environment, and the internal component can be effectively protected.
Disclosure of Invention
The invention aims to provide a porcelainized flame-retardant organic silicon coating with excellent performances such as electrical insulation, flame retardance, waterproofness, high and low temperature resistance, weather resistance, ozone resistance, no toxicity, no odor (zero formaldehyde) and the like and a preparation method thereof.
Based on the technical scheme, the invention comprises the following steps:
a porcelainized flame-retardant organic silicon coating and a preparation method thereof are disclosed: the components by weight portion include: the components by weight portion include: 300 parts of organic silicon resin, 0-70 parts of reinforcing filler, 0-30 parts of anti-structuring auxiliary agent, 150-300 parts of special filler, 0-1500 parts of diluent and 10-30 parts of curing agent.
Preferably, the silicone resin is methyl vinyl silicone rubber or liquid silicone rubber.
Preferably, the reinforcing filler is precipitated silica and fumed silica.
Preferably, the anti-structuring auxiliary agent is hydroxyl silicone oil.
Preferably, the special filler comprises one or more of mica, wollastonite, kaolin, powdered glass, asbestos fiber, glass fiber, boron-containing compound, zinc oxide, hollow glass microsphere and cenosphere.
Preferably, the curing agent comprises one or more of bis-tetra-vulcanizing agent, bis-penta-vulcanizing agent, isocyanate, polyimide, dibutyltin dilaurate and ethyl orthosilicate.
Preferably, the diluent comprises gasoline, ethyl acetate and methyl silicone oil.
Compared with the prior art, the ceramizable flame-retardant organic silicon coating has rubber performance under the normal temperature (normal) working state, and meets the aesthetic requirement; when the high-temperature or fire disaster occurs, the ceramizable flame-retardant organic silicon coating forms a compact ceramizable protective film on the surface of the component, so that the internal component is prevented from being directly exposed in the high-temperature and combustion environment, and the internal component can be effectively protected.
Detailed Description
The present invention will be described in further detail with reference to specific examples.
Example 1:
the formula is as follows: 300 parts of raw silicone rubber, 40-50 parts of anti-structuring auxiliary agent, 130-150 parts of special filler and 10-30 parts of curing agent.
The preparation process comprises the following steps: after being mixed evenly by an open mill, the mixture is diluted to proper viscosity by a diluent, ground by a grinder, filtered and then diluted again to the required viscosity. (preservation by sealing)
The using method comprises the following steps: spraying or painting with a certain thickness, standing the ventilation position for 30-50min, and vulcanizing at the high temperature of 120-150 ℃ for 30-50min after the diluent is fully volatilized.
Example 2:
the formula is as follows: 300 parts of liquid silicone rubber A component, 150 parts of special filler and 10-30 parts of curing agent B component.
The preparation process comprises the following steps: the component A of the liquid silicon rubber and the special filler 100-150 are uniformly stirred by a stirrer, ground by a grinder, filtered and diluted again with proper viscosity to form the component C (sealed storage).
The using method comprises the following steps: 10-30 parts of curing agent B component is added into the C component diluted to proper viscosity. Spraying and painting on the surface of the component, ventilating and curing at normal temperature for over 24 hours.
Embodiments 1 and 2 are only for explaining the present invention, and the rights of the present invention are not limited to embodiments 1 and 2.
Claims (7)
1. The ceramizable flame-retardant organic silicon coating is characterized by comprising the following components in parts by weight: 300 parts of organic silicon resin, 0-70 parts of reinforcing filler, 0-30 parts of anti-structuring auxiliary agent, 150-300 parts of special filler, 0-1500 parts of diluent and 10-30 parts of curing agent.
2. The ceramifiable flame-retardant silicone coating according to claim 1, wherein the silicone resin is methyl vinyl silicone rubber, liquid silicone rubber or silicone resin.
3. The ceramifiable flame-retardant silicone coating according to claim 1, wherein the reinforcing filler is precipitated silica and fumed silica.
4. The ceramifiable flame-retardant silicone coating according to claim 1, wherein the anti-structuring additive is a hydroxyl silicone oil.
5. The ceramifiable flame-retardant silicone coating according to claim 1, wherein the special filler comprises one or more of mica, wollastonite, kaolin, powdered glass, asbestos fiber, glass fiber, boron-containing compound, zinc oxide, hollow glass beads and floating beads.
6. The ceramifiable flame-retardant silicone coating according to claim 1, wherein the curing agent comprises one or more of bis-tetra-curing agent, bis-penta-curing agent, isocyanate, polyimide, dibutyltin dilaurate and ethyl orthosilicate.
7. The ceramifiable flame-retardant silicone coating according to claim 1, wherein the diluent comprises gasoline, ethyl acetate and methyl silicone oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911366144.8A CN111040497A (en) | 2019-12-26 | 2019-12-26 | Ceramizable flame-retardant organic silicon coating and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911366144.8A CN111040497A (en) | 2019-12-26 | 2019-12-26 | Ceramizable flame-retardant organic silicon coating and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111040497A true CN111040497A (en) | 2020-04-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911366144.8A Pending CN111040497A (en) | 2019-12-26 | 2019-12-26 | Ceramizable flame-retardant organic silicon coating and preparation method thereof |
Country Status (1)
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| CN (1) | CN111040497A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111534220A (en) * | 2020-05-13 | 2020-08-14 | 湖南航天三丰科工有限公司 | High-performance ablation-resistant coating and preparation method thereof |
| CN111548187A (en) * | 2020-06-03 | 2020-08-18 | 中发创新(北京)节能技术有限公司 | Preparation method of micro-nano multistage pore high-temperature-resistant high-strength heat-insulating material |
| CN113292920A (en) * | 2021-05-21 | 2021-08-24 | 宁波卓翔科技有限公司 | Ceramic heat-insulating fireproof coating and preparation method thereof |
Citations (4)
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| CN105694471A (en) * | 2016-04-17 | 2016-06-22 | 北京化工大学 | Preparation method of ceramizing fire-resistant silicon rubber |
| CN105860536A (en) * | 2016-04-13 | 2016-08-17 | 山东兆圭高分子材料科技有限公司 | Flame-retardant and fire-resistant ceramic silicone rubber and preparation method thereof |
| CN108165015A (en) * | 2017-12-29 | 2018-06-15 | 常州市沃科科技有限公司 | A kind of fire-resistant thermal conductivity factor changeable material, preparation method and application |
| KR20190113377A (en) * | 2018-03-28 | 2019-10-08 | 인하대학교 산학협력단 | Silicone rubber composition and Cured product thereof |
-
2019
- 2019-12-26 CN CN201911366144.8A patent/CN111040497A/en active Pending
Patent Citations (4)
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| CN105860536A (en) * | 2016-04-13 | 2016-08-17 | 山东兆圭高分子材料科技有限公司 | Flame-retardant and fire-resistant ceramic silicone rubber and preparation method thereof |
| CN105694471A (en) * | 2016-04-17 | 2016-06-22 | 北京化工大学 | Preparation method of ceramizing fire-resistant silicon rubber |
| CN108165015A (en) * | 2017-12-29 | 2018-06-15 | 常州市沃科科技有限公司 | A kind of fire-resistant thermal conductivity factor changeable material, preparation method and application |
| KR20190113377A (en) * | 2018-03-28 | 2019-10-08 | 인하대학교 산학협력단 | Silicone rubber composition and Cured product thereof |
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| 孔萍等著: "《塑料材料》", 31 July 2017, 广东高等教育出版社 * |
| 王正熙等编著: "《高分子材料剖析方法与应用》", 31 January 2009, 上海科学技术出版社 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111534220A (en) * | 2020-05-13 | 2020-08-14 | 湖南航天三丰科工有限公司 | High-performance ablation-resistant coating and preparation method thereof |
| CN111534220B (en) * | 2020-05-13 | 2021-12-03 | 湖南航天三丰科工有限公司 | High-performance ablation-resistant coating and preparation method thereof |
| CN111548187A (en) * | 2020-06-03 | 2020-08-18 | 中发创新(北京)节能技术有限公司 | Preparation method of micro-nano multistage pore high-temperature-resistant high-strength heat-insulating material |
| CN113292920A (en) * | 2021-05-21 | 2021-08-24 | 宁波卓翔科技有限公司 | Ceramic heat-insulating fireproof coating and preparation method thereof |
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Application publication date: 20200421 |
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