CN115505312A - High-temperature-resistant heat-conducting anticorrosive coating and preparation method thereof - Google Patents
High-temperature-resistant heat-conducting anticorrosive coating and preparation method thereof 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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
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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
- C09D5/08—Anti-corrosive 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
- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/47—Levelling agents
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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
- C09D7/65—Additives macromolecular
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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
- C08K3/28—Nitrogen-containing compounds
- C08K2003/282—Binary compounds of nitrogen with 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
- C08K3/38—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
- 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
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
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Abstract
The invention discloses a high-temperature-resistant heat-conducting anticorrosive coating and a preparation method thereof, belonging to the technical field of anticorrosive coatings. The high-temperature-resistant heat-conducting anticorrosive coating comprises the following components in parts by mass: 35-65% of resin, 8-25% of solvent, 1.5-15% of auxiliary agent and 15-45% of filler; the auxiliary agent comprises a thixotropic agent, a defoaming agent, a leveling agent and an adhesion promoter, the coating can be more uniformly and stably adhered to the surface of the pipeline, and the corrosion resistance and temperature resistance of the coating and the smoothness of the surface of the coating are improved; in addition, the preparation method of the anticorrosive paint is simple and easy to operate, and the prepared paint has good stability and long storage time.
Description
Technical Field
The invention belongs to the technical field of anticorrosive coatings, and particularly relates to a high-temperature-resistant heat-conducting anticorrosive coating and a preparation method thereof.
Background
Devices that transfer heat from a hot fluid to a cold fluid are referred to as heat exchange devices. The heat exchange equipment is widely applied to oil refining, chemical engineering, light industry, pharmacy, machinery, food processing, power and atomic energy industrial departments. Heat exchangers typically have a large capital investment in both chemical plants and refineries. Therefore, the service life and the performance of the heat exchange equipment are greatly influenced in various industries needing the heat exchange equipment.
In the process of oil and natural gas exploitation, the temperature of the produced crude oil and natural gas is usually high, and the crude oil and the natural gas contain a large amount of corrosive substances, such as hydrogen sulfide gas, microorganisms and the like, which cause serious corrosion to transmission pipelines, equipment and the like, and the service life of the crude oil and the natural gas is influenced. Therefore, pipelines and equipment on the production site of an oil well and a natural gas well are all required to be prepared by adopting high-temperature anticorrosive materials, and the surfaces of the pipelines and the equipment are required to be coated with the high-temperature anticorrosive materials for protection so as to prolong the service life of the pipelines and the equipment; and in order to ensure the production safety, the coating machine can be regularly overhauled and recoated so as to avoid potential safety hazards.
Patent CN103205198A discloses an anticorrosive paint for boiler low-temperature flue gas heat exchange equipment and a preparation method thereof, wherein polysiloxane resin, solvent diluent, defoaming agent, silane coupling agent, acid absorbing agent, 1/2 mass of silicon carbide and 1/2 mass of rare earth oxide ultrafine powder are mixed and dispersed uniformly to obtain component A; mixing 1/2 mass of silicon carbide and 1/2 mass of rare earth oxide ultrafine powder, and grinding to below 60 mu m to obtain a component B; mixing the component A and the component B, and uniformly dispersing to obtain a component A; uniformly mixing polyamine and phenolic compounds to obtain a component B; and uniformly mixing the component A and the component B to obtain the anticorrosive paint for the low-temperature flue gas heat exchange equipment of the boiler. The paint has excellent heat conductivity, does not influence the heat exchange performance of a heat exchanger, can effectively resist acid, alkali, salt mist and aging, and the formed paint film coating has good hardness and wear resistance, compact coating, good air permeability and good impact resistance.
Patent CN109135363A is a high-temperature wear-resistant corrosion-resistant coating for a soot pipeline of a power plant boiler, which comprises the following raw materials in parts by weight: 100-200 parts of high-temperature-resistant inorganic binder, 3-5 parts of nano micro powder, 7-9 parts of ceramic microspheres, 1-3 parts of silicon carbide, 2-3 parts of fine-grain alumina, 5-9 parts of superfine zinc oxide, 2-4 parts of titanium oxide, 10-20 parts of alkali metal oxide, 6-8 parts of heat-conducting graphite, 2-3 parts of nichrome powder, 2-3 parts of aluminum carbide, 7-9 parts of carbon graphite tubes, 1-3 parts of iron oxide, 1-3 parts of aluminum chloride, 5-7 parts of aluminum tripolyphosphate, 5-7 parts of aluminum dihydrogen phosphate, 30-40 parts of silica sol, 5-10 parts of white powder, 5-7 parts of clay, 3-5 parts of lepidolite, 6-8 parts of lubricant, 8-10 parts of dispersant and 9-11 parts of bentonite.
In the prior art, the surface of heat exchange equipment is coated with paint to achieve the effects of temperature resistance and corrosion resistance, but the conventional temperature-resistant anticorrosive paint is difficult to achieve a good high-temperature anticorrosive effect. In view of this, the invention provides a high-temperature-resistant heat-conducting anticorrosive coating with good high-temperature anticorrosive performance and a preparation method thereof, so that the defects of the prior art are overcome, the good high-temperature anticorrosive performance is realized, and the preparation is simple and easy to implement.
Disclosure of Invention
The invention aims to provide a high-temperature-resistant heat-conducting anticorrosive coating and a preparation method thereof, wherein a defoaming agent, a leveling agent and an adhesion promoter auxiliary agent system are adopted, so that a coating can be adhered to the surface of a pipeline more uniformly and stably, and the corrosion resistance and temperature resistance of the coating and the smoothness of the surface of the coating are improved; in addition, the preparation method of the anticorrosive paint is simple and easy to operate, and the prepared paint has good stability and long storage time.
In order to achieve the purpose, the technical scheme of the invention is as follows:
on one hand, the invention provides a high-temperature-resistant heat-conducting anticorrosive paint which comprises the following components in percentage by mass: 35-65% of resin, 8-25% of solvent, 1.5-15% of auxiliary agent and 15-45% of filler.
The auxiliary agent comprises a thixotropic agent, an antifoaming agent, a leveling agent and an adhesion promoter.
Preferably, the high-temperature-resistant heat-conducting anticorrosive coating comprises the following components in percentage by mass: 40-60% of resin, 10-20% of solvent, 2-10% of auxiliary agent and 20-40% of filler.
Preferably, the resin is at least one of novolac epoxy resin, silicone epoxy resin and polysiloxane resin, more preferably silicone epoxy resin and polysiloxane resin, and more preferably, the mass ratio of the silicone epoxy resin to the polysiloxane resin is 2-3.
Preferably, the solvent consists of at least one of xylene, n-butanol, butyl lactone, ethyl acetate and propylene glycol monomethyl ether ester and ethyl cellosolve; more preferably, the mass fraction of the ethyl cellosolve in the solvent is 20-40%; still further preferably, the solvent consists of xylene, propylene glycol monomethyl ether ester and ethyl cellosolve, and most preferably, the mass ratio of the xylene, the propylene glycol monomethyl ether ester and the ethyl cellosolve is 1.5-2.5.
Preferably, the thixotropic agent is a silicon dioxide nano composite material and/or polyamide wax, the defoaming agent is polysiloxane and/or modified polysiloxane containing hydrophobic groups, the leveling agent is a polyether siloxane copolymer leveling agent and/or fluorine modified polyacrylate high polymer, and the adhesion promoter is modified polyester resin and/or high molecular weight block copolymer.
Further preferably, the thixotropic agent is selected from NANOCRYL C150 of Woodful chemical and/or Polyamide wax (OPTIMA) of Achima, the antifoaming agent is selected from Hamming 6800 of Woodful chemical and/or Airex900 of Woodful chemical, the leveling agent is selected from Glide B1484 of Woodful chemical and/or 3750 of AFCONA, and the adhesion promoter is selected from LTW of Woodful chemical and/or BYK-4500 of Bick.
Preferably, the mass ratio of the auxiliary agent system is as follows: thixotropic agent: defoaming agent: leveling agent: the adhesion promoter is 1.3-0.9.
Preferably, the filler includes inorganic carbides, metal oxides and inorganic nitrides; further preferably, the mass ratio of the inorganic carbide, the metal oxide and the inorganic nitride is 2; still more preferably, the metal carbide is silicon carbide and/or tungsten carbide, the metal oxide is at least one of aluminum oxide, titanium oxide and molybdenum oxide, and the inorganic nitride is aluminum nitride and/or boron nitride, and still more preferably, the filler comprises silicon carbide, tungsten carbide, aluminum oxide, aluminum nitride and boron nitride; most preferably, the mass ratio of the silicon carbide, the tungsten carbide, the aluminum oxide, the aluminum nitride and the boron nitride is 1.
Preferably, the particle size of the filler is not more than 0.5 micron, and further preferably, the particle size of the inorganic carbide is not more than 0.3 micron; the particle size of the metal oxide is not more than 0.5 micron; the particle size of the inorganic nitride is not more than 0.5 micron.
On the other hand, the invention also provides a preparation method of the high-temperature-resistant heat-conducting anticorrosive paint, which comprises the following steps of:
(1) Adding the resin into the solvent for dissolving to obtain a resin solution;
(2) And (2) adding the auxiliary agent system into the resin solution obtained in the step (1), heating, then adding the filler, and obtaining the high-temperature-resistant heat-conducting anticorrosive coating after the filler is uniformly and stably dispersed.
Preferably, in the step (2), the heating temperature is 50-70 ℃.
Preferably, in the step (2), the filler is added in a plurality of times under stirring.
Preferably, the preparation method specifically comprises the following steps:
(1) Adding the resin into the solvent, stirring and dissolving to obtain a resin solution;
(2) And (2) adding the aid system into the resin solution obtained in the step (1), stirring and mixing uniformly, heating to 50-70 ℃, then adding the inorganic filler for multiple times under a stirring state, and stirring to uniformly and stably disperse the inorganic filler to obtain the high-temperature-resistant heat-conducting anticorrosive coating.
The invention has the beneficial effects that:
(1) The invention discloses a high-temperature-resistant heat-conducting anticorrosive coating and a using method thereof, wherein an adhesion promoter is used for enabling modified polyester resin (such as LTW) and high-molecular-weight block copolymer (such as BYK-4500) to have good wettability on the surface of a coated pipeline, and covalent bonds can be formed between the adhesion promoter and a metal substrate, so that the coating can be adhered to the surface of the pipeline more uniformly and stably.
(2) The modified polyester resin and the high molecular weight block copolymer have high crosslinking density, and the corrosion resistance and temperature resistance of the coating are improved.
(3) The modified polyester resin (such as LTW) which is lower in toxicity and more likely to be degraded and the high-molecular-weight block copolymer are adopted, so that the modified polyester resin is more environment-friendly and is beneficial to market application.
(4) The preparation method of the anticorrosive paint is simple and easy to operate, and the prepared paint has good stability and long storage time.
Detailed Description
The present invention will be further described with reference to specific examples, which are intended to illustrate various embodiments of the present invention. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention. In the following examples, unless otherwise specified, all the procedures, equipment and raw materials were carried out in a conventional manner.
In the following examples, silicone epoxy resins were purchased from Woods Chemicals under the model SILINKOPON EF; wujiang Lianglamination resins Ltd, model ES-06;
epoxy novolac resin available from Hensman corporation as ECN9699
The polysiloxane resin is purchased from Japan shin-Etsu corporation, and the model is KBM-403;
the propylene glycol monomethyl ether ester is purchased from Shanghai high chemistry Co., ltd, and has the model of BG-PPH;
the ethyl cellosolve Dongguan Zhengyuan chemical company has the model of ECS.
Example 1
The high-temperature-resistant heat-conducting anticorrosive coating is prepared according to the following formula: 40% of resin, 20% of solvent, 10% of auxiliary agent and 30% of filler;
wherein the resin comprises organosilicon epoxy resin and polysiloxane resin with the mass ratio of 2;
the solvent is a mixed solvent consisting of xylene, propylene glycol monomethyl ether ester and ethyl cellosolve in a mass ratio of 1.5;
the assistant system is thixotropic agent NANOCRYL C150: 6800% of antifoaming agent: leveling agent Glide B1484: the adhesion promoter LTW is prepared from the following components in a mass ratio of 1:0.5:1.9:20.
The filler comprises silicon carbide, tungsten carbide, aluminum oxide, aluminum nitride and boron nitride in a mass ratio of 1.
Example 2
The high-temperature-resistant heat-conducting anticorrosive coating is prepared according to the following formula: 60% of resin, 5% of solvent, 2% of auxiliary agent and 33% of filler;
wherein the resin is organic silicon epoxy resin and polysiloxane resin with the mass ratio of 3;
the solvent is a mixed solvent consisting of xylene, propylene glycol monomethyl ether ester and ethyl cellosolve in a mass ratio of 2.5;
the auxiliary agent system is thixotropic agent OPTIMA: antifoaming agent Airex900: leveling agent 3750: the adhesion promoter BYK-4500 has a system mass ratio of 1:0.9:1.5:10.
The filler comprises silicon carbide, tungsten carbide, aluminum oxide, aluminum nitride and boron nitride in a mass ratio of 1.
Example 3
The high-temperature-resistant heat-conducting anticorrosive coating is prepared according to the following formula: 50% of resin, 7% of solvent, 5% of auxiliary agent and 35% of filler;
wherein the resin is organosilicon epoxy resin and polysiloxane resin with the mass ratio of 2.5;
the solvent is a mixed solvent consisting of dimethylbenzene, propylene glycol monomethyl ether ester and ethyl cellosolve in a mass ratio of 2;
the auxiliary agent system is thixotropic agent OPTIMA: 6800% of antifoaming agent: leveling agent Glide B1484: the adhesion promoter LTW is prepared from the following components in a mass ratio of 1:0.3:1.8:30.
The filler is silicon carbide, tungsten carbide, alumina, aluminum nitride and boron nitride with the mass ratio of 1.
Comparative example 1
Unlike example 3, comparative example 1 was identical to example 1 except that no adhesion promoter LTW was added.
Comparative example 2
Unlike example 3, comparative example 2 does not have the thixotropic agent and adhesion promoter LTW added, and the rest is the same.
Comparative example 3
Unlike example 3, comparative example 3 does not include the defoamer 6800 and the leveling agent Glide B1484, and the rest is the same.
Preparing a coating:
the starting materials were prepared according to the formulations of examples 1-3 and comparative examples 1-3, respectively, and prepared according to the following procedure:
(1) Adding resin into a solvent, stirring and dissolving to obtain a resin solution;
(2) And (2) adding the aid system into the resin solution obtained in the step (1), stirring and mixing uniformly, heating to 60 ℃, then adding the inorganic filler for multiple times under a stirring state, and stirring to disperse the inorganic filler uniformly and stably to obtain the high-temperature-resistant heat-conducting anticorrosive paint.
And (4) detecting the result:
1. high temperature resistance and corrosion resistance test
The high-temperature heat-conducting anticorrosive coatings prepared in the above examples and comparative examples are respectively coated on the inner side wall of the pipeline in a pouring way, and the pipeline which is not subjected to anticorrosive treatment is respectively filled with gas with the sulfur content of 5.5-7%, placed in the atmosphere with the sulfur content of 10000ppm and filled with acid liquor with the pH value of 2.5 in a high-temperature environment of 150 ℃ and is respectively kept for 100 days.
As a result:
pipelines treated with the high-temperature heat-conducting anticorrosive coatings of examples 1 to 3: no obvious red rust and white rust appear;
pipeline treated with the high-temperature heat-conducting anticorrosive coating of comparative example 1: surface blistering with pinholes;
pipeline treated by the high-temperature heat-conducting anticorrosive coating of comparative example 2: the surface is cracked and rusted;
pipeline treated by the high-temperature heat-conducting anticorrosive coating of comparative example 3: pinholes and rust are generated;
pipeline not subjected to corrosion prevention treatment: the surface is full of corrosion traces, and pits appear in part of the surface, so that the corrosion condition is severe.
2. Stability detection
The detection method comprises the following steps: performed according to GB 6753.3.
And (3) detection results:
table 1.
| Stability of | |
| Example 1 | By passing |
| Example 2 | By passing |
| Example 3 | By passing |
| Comparative example 1 | Do not pass through |
| Comparative example 2 | Do not pass through |
| Comparative example 3 | Do not pass through |
3. Detection of pipe surface adhesion performance
The detection method comprises the following steps: detection is carried out according to GB/T5210.
And (3) detection results:
table 2.
| Test results (MPa) | |
| Example 1 | 23.8 |
| Example 2 | 22.9 |
| Example 3 | 23.6 |
| Comparative example 1 | 7.2 |
| Comparative example 2 | 6.9 |
| Comparative example 3 | 7.1 |
It can be seen that examples 1-3 achieved better stability and higher adhesion.
The present invention is not limited to the above-described preferred embodiments, but rather, the present invention is to be construed broadly and cover all modifications, equivalents, and improvements falling within the spirit and scope of the present invention.
Claims (10)
1. The high-temperature-resistant heat-conducting anticorrosive paint is characterized by comprising the following components in percentage by mass: 35-65% of resin, 8-25% of solvent, 1.5-15% of auxiliary agent and 15-45% of filler;
wherein the auxiliary agent comprises a thixotropic agent, an antifoaming agent, a leveling agent and an adhesion promoter.
2. The high-temperature-resistant heat-conducting anticorrosive paint as claimed in claim 1, characterized by comprising the following components in parts by mass: 40-60% of resin, 10-20% of solvent, 2-10% of auxiliary agent and 20-40% of filler.
3. The high temperature resistant heat-conducting anticorrosive coating according to claim 1, wherein the resin is at least one of novolac epoxy resin, silicone epoxy resin and polysiloxane resin, preferably silicone epoxy resin and polysiloxane resin, and more preferably, the mass ratio of silicone epoxy resin to polysiloxane resin is 2-3.
4. The high temperature resistant heat-conducting anticorrosive paint according to claim 1, wherein the solvent consists of at least one of xylene, n-butanol, butyl lactone, ethyl acetate, propylene glycol monomethyl ether ester, and ethyl cellosolve; more preferably, the mass fraction of the ethyl cellosolve in the solvent is 20-40%.
5. The high-temperature-resistant heat-conducting anticorrosive paint according to claim 4, wherein the solvent consists of xylene, propylene glycol monomethyl ether ester and ethyl cellosolve, and preferably, the mass ratio of the xylene, the propylene glycol monomethyl ether ester and the ethyl cellosolve is 1.5-2.5.
6. The high-temperature-resistant heat-conducting anticorrosive paint as claimed in claim 1, wherein the thixotropic agent is a silica nanocomposite and/or a polyamide wax, the defoaming agent is polysiloxane and/or modified polysiloxane containing hydrophobic groups, the leveling agent is a polyether siloxane copolymer leveling agent and/or a fluorine-modified polyacrylate high polymer, and the adhesion promoter is a modified polyester resin and/or a high molecular weight block copolymer.
7. The high-temperature-resistant heat-conducting anticorrosive paint as claimed in claim 6, wherein the mass ratio of the auxiliary agent system is as follows: thixotropic agent: defoaming agent: leveling agent: the adhesion promoter is 1.3-0.9.
8. The high temperature resistant, heat conductive, and corrosion resistant coating of claim 1, wherein the filler comprises inorganic carbides, metal oxides, and inorganic nitrides; preferably, the mass ratio of the inorganic carbide, the metal oxide and the inorganic nitride is 2; further preferably, the metal carbide is silicon carbide and/or tungsten carbide, the metal oxide is at least one of aluminum oxide, titanium oxide and molybdenum oxide, and the inorganic nitride is aluminum nitride and/or boron nitride, and still further preferably, the filler comprises silicon carbide, tungsten carbide, aluminum oxide, aluminum nitride and boron nitride; most preferably, the mass ratio of the silicon carbide, the tungsten carbide, the aluminum oxide, the aluminum nitride and the boron nitride is 1.
9. The high-temperature-resistant heat-conducting anticorrosive paint as claimed in claim 1, wherein the filler has a particle size of not more than 0.5 μm; preferably, the particle size of the inorganic carbide does not exceed 0.3 micron; the particle size of the metal oxide is not more than 0.5 micron; the particle size of the inorganic nitride is not more than 0.5 micron.
10. The preparation method of the high-temperature-resistant heat-conducting anticorrosive paint as claimed in any one of claims 1 to 9, characterized by comprising the following steps:
(1) Adding the resin into the solvent for dissolving to obtain a resin solution;
(2) Adding the aid system into the resin solution obtained in the step (1), heating, then adding the filler, and obtaining the high-temperature-resistant heat-conducting anticorrosive paint after the filler is uniformly and stably dispersed;
preferably, in the step (2), the heating temperature is 50-70 ℃;
preferably, in the step (2), the filler is added in a plurality of times under stirring.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102816525A (en) * | 2011-06-10 | 2012-12-12 | 王耀先 | Heat-conductive coating |
| CN102964948A (en) * | 2012-11-15 | 2013-03-13 | 江苏元京电子科技有限公司 | Heat-curing heat-conduction heat-dissipation paint and preparation method thereof |
| CN105670502A (en) * | 2016-04-13 | 2016-06-15 | 广东产品质量监督检验研究院 | Heat dissipation coating and preparing method thereof |
| CN109467960A (en) * | 2018-11-22 | 2019-03-15 | 深圳陶金材料科技有限公司 | A kind of enhancing heat exchange anticorrosion coating material and preparation method thereof |
-
2021
- 2021-06-23 CN CN202110700234.7A patent/CN115505312A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102816525A (en) * | 2011-06-10 | 2012-12-12 | 王耀先 | Heat-conductive coating |
| CN102964948A (en) * | 2012-11-15 | 2013-03-13 | 江苏元京电子科技有限公司 | Heat-curing heat-conduction heat-dissipation paint and preparation method thereof |
| CN105670502A (en) * | 2016-04-13 | 2016-06-15 | 广东产品质量监督检验研究院 | Heat dissipation coating and preparing method thereof |
| CN109467960A (en) * | 2018-11-22 | 2019-03-15 | 深圳陶金材料科技有限公司 | A kind of enhancing heat exchange anticorrosion coating material and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 中国腐蚀与防护学会《金属防腐蚀手册》编写组, 上海科学技术出版社 * |
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