CN109868028B - Anti-erosion ablation coating and preparation method thereof - Google Patents
Anti-erosion ablation coating and preparation method thereof Download PDFInfo
- Publication number
- CN109868028B CN109868028B CN201711246979.0A CN201711246979A CN109868028B CN 109868028 B CN109868028 B CN 109868028B CN 201711246979 A CN201711246979 A CN 201711246979A CN 109868028 B CN109868028 B CN 109868028B
- Authority
- CN
- China
- Prior art keywords
- parts
- coating
- resin
- chopped fiber
- temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Paints Or Removers (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
An erosion-resistant ablation coating and a preparation method thereof, belonging to the technical field of special coating application. The coating comprises the following components in parts by weight: 100-150 parts of high-temperature resistant resin, 10-30 parts of chopped fiber, 20-100 parts of light filler, 20-30 parts of reinforcing filler, 150-200 parts of solvent and 1-5 parts of high-temperature stabilizer. The preparation method comprises the following steps: 1) resin dispersion; 2) mixing the fillers; 3) and (5) adjusting the coating. According to the characteristics of the product, the viscosity or solid content of the coating is adjusted by using a solvent, the coating is dispersed for 3-5 minutes, the ablative coating product is obtained after packaging in barrels, and the ablative coating product can be prepared into an ablative coating with a specified thickness on the surface of a workpiece through construction modes such as spraying, brushing, rolling, blade coating and the like. The coating has good mechanical, thermal and ablation resistance, on the basis, the resin crosslinking degree in the ablation coating is improved near the high-temperature decomposition temperature under the action of the high-temperature stabilizer, the resin decomposition speed is reduced, and the overall hardness and the erosion resistance of the coating are obviously improved.
Description
Technical Field
The invention belongs to the technical field of special coating application, and particularly designs an ablation coating with high-speed airflow scouring resistance and a preparation method thereof.
Background
The ablation coating is one of special coatings, is mainly applied to the surface of a workpiece needing thermal protection, reduces the temperature of the workpiece under a high-temperature condition, and plays a role in protection. The coating formed by the ablation coating plays a role in protecting the bottom layer workpiece under the high-temperature use condition mainly through the following modes: the ablation heat absorption effect of the coating, the heat insulation effect of the coating, the heat reflection effect of the coating at high temperature and the like. Compared with a high-temperature resistant heat insulation coating, the ablation coating has higher working temperature, and a complex ablation decomposition process occurs in the using process.
As equipment is upgraded and replaced, the working environment of the surface of a workpiece used by the equipment is more severe. For workpiece protection under the conditions of high-speed air, gas and other airflow scouring, the ablation coating prepared by the traditional ablation coating has the defects of large ablation amount and high workpiece surface temperature. For the ablation coating which is not designed according to the scouring condition, the thickness of the coating is increased in the using process, so that the whole weight of the equipment is improved, and the using condition of the ablation coating is limited. At present, TR series ablative coatings widely used in China, MA-25S and SLA561 series ablative coatings used in the United states have the problems of large scouring amount, uneven coating surface, high coating back temperature and the like under the condition of high scouring.
The inventors have found experimentally that by adding very small amounts of metal, especially transition metal complexes, to ablative coatings, coatings are produced that undergo a series of chemical changes below the decomposition temperature of the coating. The ablation coating of the prior art has greatly reduced mechanical properties, particularly scour resistance, near its decomposition temperature due to the gradual decomposition of the resin inside the coating.
Disclosure of Invention
Aiming at the defects in the prior ablative coating technology, the invention aims to provide the ablative coating which has good mechanical, thermal and ablative resistance and erosion resistance and a preparation method thereof so as to meet the use requirement of workpieces. According to the method disclosed by the invention, the mechanical property and the anti-scouring property of the coating near the decomposition temperature can be obviously improved.
In order to achieve the purpose, the invention adopts the following technical scheme:
an anti-erosion ablation coating comprises the following raw material components in parts by weight: 100-150 parts of high-temperature resistant resin, 10-30 parts of chopped fiber, 20-100 parts of light filler, 20-30 parts of reinforcing filler, 150-200 parts of solvent and 1-5 parts of high-temperature stabilizer.
Further, the high temperature resistant resin is selected from one or a mixture of several of epoxy resin, modified epoxy resin, phenolic resin, modified phenolic resin, silicone rubber resin and modified silicone rubber resin.
The modified epoxy resin is organic silicon modified epoxy resin or phosphorus modified organic silicon epoxy resin or phenolic aldehyde modified epoxy resin; the modified silicone rubber resin is phenyl modified silicone rubber resin, fluorine modified silicone rubber resin or nitrile modified silicone rubber resin.
Furthermore, the chopped fiber is one or a mixture of glass chopped fiber, silicon dioxide chopped fiber, high-silica chopped fiber, carbon fiber chopped fiber, phenolic chopped fiber, butyronitrile chopped fiber or aramid chopped fiber.
Furthermore, the chopped fiber is selected from chopped fibers with the fiber length-diameter ratio of 2-20.
Further, the light filler is one or a mixture of a plurality of light fillers selected from ceramic microspheres, glass microspheres, fly ash, expanded perlite powder, phenolic aldehyde microspheres and cork powder, and the mesh number of the light filler is 50-325 meshes.
Furthermore, the reinforcing filler is one or a mixture of several reinforcing fillers selected from silica powder, white carbon black, silicon carbide powder or mullite powder, and the mesh number of the reinforcing filler is 150-800 meshes.
Furthermore, the solvent is one or a mixture of several solvents selected from toluene, xylene, methanol, ethanol, propanol, isopropanol or No. 60-200 solvent oil.
Further, the high-temperature stabilizing agent is one or a mixture of several organic complexes of titanium, vanadium, iron, chromium, copper, platinum, tin and palladium.
The invention also provides a preparation method of the erosion-resistant ablation coating, which comprises the following steps:
1) resin dispersion
Sequentially putting the high-temperature-resistant resin, the chopped fibers, the reinforcing filler and the solvent into a high-speed dispersion machine according to the proportion, and dispersing at a high speed for 30-60 minutes uniformly;
2) filler mixing
According to the proportion, the high-temperature stabilizer and the light filler are put into a high-speed dispersion machine and dispersed for 10-20 minutes.
3) Paint conditioning
According to the characteristics of the product, the viscosity or solid content of the coating is adjusted by using a solvent, the coating is dispersed for 3-5 minutes, and the ablative coating product is obtained after barreling and packaging. The ablative coating product can be prepared into an ablative coating with a specified thickness on the surface of a workpiece by spraying, brushing, rolling, blade coating and other construction modes.
Compared with the prior art, the invention has the beneficial effects that: the ablative coating prepared by the invention has good mechanical, thermal and ablation resistance properties, on the basis, under the action of the high-temperature stabilizer, the resin crosslinking degree in the ablative coating is improved near the high-temperature decomposition temperature, the resin decomposition speed is reduced, and the overall hardness and the erosion resistance of the coating are obviously improved.
The 5mm ablative coating prepared by the invention is subjected to dynamic heat flow and static heat flow experiments, the gas flow velocity on the surface of the coating is 3-5 Mach, the temperature on the surface of the coating is 600-.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1 was carried out:
an erosion-resistant ablation coating comprises the following components in parts by weight: 150 parts of organic silicon modified epoxy resin, 10 parts of high silica chopped fiber, 20 parts of expanded perlite powder, 10 parts of fly ash, 20 parts of silicon micropowder, 150 parts of xylene and 1 part of palladium acetate. Wherein the length-diameter ratio of the high-silica chopped fiber is 5, the expanded perlite powder is 125 meshes, the fly ash is 325 meshes, and the silica micropowder is 600 meshes. The preparation method comprises the following steps:
1) resin dispersion
Sequentially putting the organic silicon modified epoxy resin, the high-silica chopped fiber, the silicon micro powder and the xylene into a high-speed dispersion machine according to the proportion, and dispersing at a high speed for 60 minutes uniformly;
2) filler mixing
According to the proportion, the palladium acetate, the expanded perlite powder and the fly ash are put into a high-speed dispersion machine and dispersed for 10 minutes.
3) Paint conditioning
And (3) adjusting the viscosity of the coating to 150KU by using dimethylbenzene, dispersing for 5 minutes, and packaging in barrels to obtain an ablative coating product.
The properties of the ablative coating prepared using the ablative coating were as follows:
example 2 was carried out:
an erosion-resistant ablation coating comprises the following components in parts by weight: 100 parts of phenyl modified silicone rubber resin, 20 parts of carbon fiber chopped fiber, 50 parts of glass microsphere, 20 parts of white carbon black, 150 parts of No. 200 solvent oil and 3 parts of ferric oxalate. Wherein, the length-diameter ratio of the carbon fiber chopped fiber is 10, the glass microsphere is 125 meshes, and the white carbon black is 800 meshes.
The preparation method comprises the following steps:
1) resin dispersion
According to the proportion, sequentially putting the phenyl modified silicone rubber resin, the carbon fiber chopped fiber, the white carbon black and the No. 200 solvent oil into a high-speed dispersion machine, and dispersing at a high speed for 60 minutes to be uniform;
2) filler mixing
According to the proportion, the ferric oxalate and the glass microspheres are put into a high-speed dispersion machine and dispersed for 10 minutes.
3) Paint conditioning
And (3) adjusting the viscosity of the coating to 120KU by using dimethylbenzene, dispersing for 5 minutes, and packaging in barrels to obtain an ablative coating product.
The properties of the ablative coating prepared using the ablative coating were as follows:
the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. The erosion-resistant ablation coating is characterized by comprising the following raw material components in parts by weight: 100-150 parts of high-temperature resistant resin, 10-30 parts of chopped fiber, 20-100 parts of light filler, 20-30 parts of reinforcing filler, 150-200 parts of solvent and 1-5 parts of high-temperature stabilizer, wherein the high-temperature resistant resin is selected from one or a mixture of epoxy resin, modified epoxy resin, phenolic resin, modified phenolic resin, silicone rubber resin or modified silicone rubber resin; the chopped fiber is one or a mixture of chopped fibers of glass chopped fiber, silicon dioxide chopped fiber, high-silica chopped fiber, carbon fiber chopped fiber, phenolic chopped fiber, butyronitrile chopped fiber or aramid chopped fiber; the light filler is one or a mixture of a plurality of light fillers selected from ceramic microspheres, glass microspheres, fly ash, expanded perlite powder, phenolic aldehyde microspheres and cork powder; the reinforcing filler is one or a mixture of several reinforcing fillers selected from silica powder, white carbon black, silicon carbide powder or mullite powder; the solvent is one or a mixture of several solvents selected from toluene, xylene, methanol, ethanol, propanol, isopropanol or No. 60-200 solvent oil; the high-temperature stabilizer is one or a mixture of organic complexes of titanium, vanadium, iron, chromium, copper, platinum, tin and palladium.
2. The erosion resistant coating of claim 1, wherein: the modified epoxy resin is organic silicon modified epoxy resin or phosphorus modified organic silicon epoxy resin or phenolic aldehyde modified epoxy resin; the modified silicone rubber resin is phenyl modified silicone rubber resin, fluorine modified silicone rubber resin or nitrile modified silicone rubber resin.
3. The erosion resistant coating of claim 1, wherein: the chopped fiber is selected from chopped fibers with the length-diameter ratio of 2-20; the mesh number of the light filler is 50-325 meshes; the mesh number of the reinforcing filler is 150-800 meshes.
4. The erosion resistant coating material of claim 1, which comprises the following components in parts by weight: 150 parts of organic silicon modified epoxy resin, 10 parts of high-silica chopped fiber, 20 parts of expanded perlite powder, 10 parts of fly ash, 20 parts of silica micropowder, 150 parts of xylene and 1 part of palladium acetate, wherein the length-diameter ratio of the high-silica chopped fiber is 5, the expanded perlite powder is 125 meshes, the fly ash is 325 meshes and the silica micropowder is 600 meshes.
5. The erosion resistant coating material of claim 1, which comprises the following components in parts by weight: 100 parts of phenyl modified silicone rubber resin, 20 parts of carbon fiber chopped fibers, 50 parts of glass microspheres, 20 parts of white carbon black, 150 parts of No. 200 solvent oil and 3 parts of ferric oxalate, wherein the length-diameter ratio of the carbon fiber chopped fibers is 10, the glass microspheres are 125 meshes, and the white carbon black is 800 meshes.
6. A method of preparing an erosion resistant coating according to claim 1, comprising the steps of:
1) resin dispersion
Sequentially putting the high-temperature-resistant resin, the chopped fibers, the reinforcing filler and the solvent into a high-speed dispersion machine according to the proportion, and dispersing at a high speed for 30-60 minutes uniformly;
2) filler mixing
According to the proportion, putting the high-temperature stabilizer and the light filler into a high-speed dispersion machine, and dispersing for 10-20 minutes;
3) paint conditioning
According to the characteristics of the product, the viscosity or solid content of the coating is adjusted by using a solvent, the coating is dispersed for 3-5 minutes, the ablative coating product is obtained after packaging in barrels, and the ablative coating product can be prepared into an ablative coating with a specified thickness on the surface of a workpiece through construction modes such as spraying, brushing, rolling, blade coating and the like.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711246979.0A CN109868028B (en) | 2017-12-01 | 2017-12-01 | Anti-erosion ablation coating and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711246979.0A CN109868028B (en) | 2017-12-01 | 2017-12-01 | Anti-erosion ablation coating and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109868028A CN109868028A (en) | 2019-06-11 |
| CN109868028B true CN109868028B (en) | 2021-12-24 |
Family
ID=66913347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711246979.0A Active CN109868028B (en) | 2017-12-01 | 2017-12-01 | Anti-erosion ablation coating and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109868028B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110437737A (en) * | 2019-07-31 | 2019-11-12 | 贵州航天风华精密设备有限公司 | A kind of lightweight is low to lead ablation dimension shape heat-resistant paint and its preparation and application |
| CN111500146B (en) * | 2020-03-11 | 2021-11-30 | 中国船舶重工集团公司第七二五研究所 | Composite laser ablation resistant coating, preparation method and use method thereof |
| CN111393989A (en) * | 2020-04-29 | 2020-07-10 | 青岛爱尔家佳新材料股份有限公司 | Full-frequency wave-absorbing high-temperature heat-insulating stealth integrated coating and preparation method thereof |
| CN111808494A (en) * | 2020-06-02 | 2020-10-23 | 山东德钧智能科技服务有限公司 | Environment-friendly multifunctional protective coating and application thereof |
| CN115820111B (en) * | 2022-10-11 | 2024-03-26 | 航天特种材料及工艺技术研究所 | Ablation-resistant heat-insulating coating, coating and preparation method thereof |
| CN116144239A (en) * | 2022-12-29 | 2023-05-23 | 蚌埠凌空科技有限公司 | Phenolic resin-based thermal protection coating and preparation method thereof |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3623904A (en) * | 1969-02-10 | 1971-11-30 | Dow Corning | Elastomeric composition containing silicon carbide for use as an ablative coating |
| EP1493788A1 (en) * | 2003-06-25 | 2005-01-05 | United Technologies Corporation | Silicone-cork ablative material |
| CN102367353A (en) * | 2011-10-12 | 2012-03-07 | 上海海隆赛能新材料有限公司 | Low thermal conductivity composite thermal insulation paint and preparation method thereof |
| CN102464933A (en) * | 2010-11-18 | 2012-05-23 | 沈阳理工大学 | Fiber-reinforced high-temperature-resistant thermal insulation and heat preserving ceramic coating and preparation method thereof |
| CN103725179A (en) * | 2013-12-18 | 2014-04-16 | 中昊北方涂料工业研究设计院有限公司 | High-elasticity polyurethane modified epoxy-silicone ablation resistance paint |
| CN104877303A (en) * | 2014-02-28 | 2015-09-02 | 湖北航天化学技术研究所 | Anti-erosion and anti-ablation material suitable for oxygen-rich environment |
| CN105001749A (en) * | 2015-06-30 | 2015-10-28 | 航天材料及工艺研究所 | Short-term high-temperature ablation resistant protective coating and preparation method thereof |
| CN106467699A (en) * | 2016-09-23 | 2017-03-01 | 航天材料及工艺研究所 | A kind of high-strength anti-flaming solid rocket motor and preparation method thereof |
| CN107201171A (en) * | 2017-05-24 | 2017-09-26 | 中南大学 | A kind of boron bakelite resin/epoxy modified silicone resin coating of resistance to ablation protection and preparation method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104250475A (en) * | 2014-09-03 | 2014-12-31 | 苏州中亚油墨有限公司 | High-temperature-resistant electrically-conductive printing ink and preparation method thereof |
-
2017
- 2017-12-01 CN CN201711246979.0A patent/CN109868028B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3623904A (en) * | 1969-02-10 | 1971-11-30 | Dow Corning | Elastomeric composition containing silicon carbide for use as an ablative coating |
| EP1493788A1 (en) * | 2003-06-25 | 2005-01-05 | United Technologies Corporation | Silicone-cork ablative material |
| CN102464933A (en) * | 2010-11-18 | 2012-05-23 | 沈阳理工大学 | Fiber-reinforced high-temperature-resistant thermal insulation and heat preserving ceramic coating and preparation method thereof |
| CN102367353A (en) * | 2011-10-12 | 2012-03-07 | 上海海隆赛能新材料有限公司 | Low thermal conductivity composite thermal insulation paint and preparation method thereof |
| CN103725179A (en) * | 2013-12-18 | 2014-04-16 | 中昊北方涂料工业研究设计院有限公司 | High-elasticity polyurethane modified epoxy-silicone ablation resistance paint |
| CN104877303A (en) * | 2014-02-28 | 2015-09-02 | 湖北航天化学技术研究所 | Anti-erosion and anti-ablation material suitable for oxygen-rich environment |
| CN105001749A (en) * | 2015-06-30 | 2015-10-28 | 航天材料及工艺研究所 | Short-term high-temperature ablation resistant protective coating and preparation method thereof |
| CN106467699A (en) * | 2016-09-23 | 2017-03-01 | 航天材料及工艺研究所 | A kind of high-strength anti-flaming solid rocket motor and preparation method thereof |
| CN107201171A (en) * | 2017-05-24 | 2017-09-26 | 中南大学 | A kind of boron bakelite resin/epoxy modified silicone resin coating of resistance to ablation protection and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109868028A (en) | 2019-06-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109868028B (en) | Anti-erosion ablation coating and preparation method thereof | |
| CN110479564B (en) | Preparation and process of in-situ ceramic high-temperature-resistant heat-insulating coating | |
| CN107353025B (en) | Preparation method of 1200-DEG C-resistant and oxidation-resistant ceramic matrix composite | |
| CN109868056B (en) | Melting erosion-resistant ablation coating and preparation method thereof | |
| CN108250945B (en) | Nano ceramic coating for 600 ℃ resistant operation vehicle and preparation and construction process thereof | |
| CN104845380B (en) | Solid Rocket Ramjet silicon rubber heat-insulating material and preparation method thereof | |
| CN114262567B (en) | Low-temperature-cured high-temperature-resistant wave-absorbing coating and preparation method thereof | |
| CN114105643B (en) | Ultrahigh temperature resistant heat-insulating antioxidant ceramic coating | |
| CN112300661A (en) | High-temperature-resistant coating and application thereof | |
| KR20160056628A (en) | Heat Radiant Paint and nanotubes and Method for forming Heat Radiant coating layer of using the same | |
| CN105483697A (en) | Miniature shaft and preparation method thereof | |
| CN111286224B (en) | High-temperature chlorine corrosion resistant coating for boiler heating surface and preparation method thereof | |
| CN116144239A (en) | Phenolic resin-based thermal protection coating and preparation method thereof | |
| CN105038109A (en) | Preparation method of high temperature heat-proof resin composite material | |
| CN105860828A (en) | Rapid-repair heatproof material and preparation method thereof | |
| CN115058189A (en) | Epoxy modified silica gel heat-proof coating and preparation method thereof | |
| CN109609027A (en) | The ultra-thin organic high temperature thermal insulation coating of one kind and its coating process | |
| CN112209743B (en) | High-temperature-resistant high-emissivity coating and preparation method thereof | |
| CN113025203A (en) | Water-based organic silicon environment-friendly heat-proof coating and preparation method thereof | |
| CN115637092B (en) | Self-repairing heat-proof coating based on dynamic exchange chemistry and preparation method thereof | |
| CN112126312A (en) | Preparation method of amorphous/organic silicon modified epoxy corrosion-resistant coating | |
| CN109054629A (en) | A kind of high adhesion force heat-resistant fireproof coating and preparation method thereof | |
| CN114773079B (en) | Preparation method of hard carbon fiber heat-insulating material with efficient graphene erosion-resistant layer | |
| CN111875994A (en) | Coating for improving heat-insulating property of automobile exhaust pipe and preparation method and application thereof | |
| CN109266212A (en) | A kind of low density and high performance thermal protective coating |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20211129 Address after: 110142 No. 3 Chongshan Road, Huanggu District, Shenyang City, Liaoning Province Applicant after: LIAONING LIGHT INDUSTRY SCIENCE RESEARCH INSTITUTE Co.,Ltd. Address before: 110000 No. 38-2, South Outer Ring Road, Faku Town, Faku County, Shenyang City, Liaoning Province Applicant before: LIAONING FAKU CERAMIC ENGINEERING TECHNOLOGY RESEARCH CENTER |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |