CN113462280A - Formula of organic silicon resin micro-powder ceramic heat-resistant paint - Google Patents
Formula of organic silicon resin micro-powder ceramic heat-resistant paint Download PDFInfo
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- CN113462280A CN113462280A CN202110628696.2A CN202110628696A CN113462280A CN 113462280 A CN113462280 A CN 113462280A CN 202110628696 A CN202110628696 A CN 202110628696A CN 113462280 A CN113462280 A CN 113462280A
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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
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
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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
- C09D7/60—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
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
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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
Abstract
The invention discloses a formula of organic silicon resin micro powder ceramic heat-resistant paint, which comprises the following raw materials in percentage by weight: organic silicon resin, modified acrylic resin, epoxy resin, ceramic micro powder, copper chromium black, mica powder, talcum powder, triethanolamine and a solvent, wherein the required additives are as follows: defoaming agent, dispersant, thickener and curing agent. The invention relates to a formula of organic silicon resin micro-powder ceramic heat-resistant paint, which adopts a reasonable mixture ratio, so that the paint contains modified acrylic resin, after the acrylic resin is modified by organic silicon and fluorine, because fluorine-containing organic matter has hydrophobicity, weather resistance, corrosion resistance and oxidation resistance, the coating has higher weather resistance and can prolong the service life, and an amine promoter triethanolamine contained in the heat-resistant paint and a fixing agent act together, so that the paint has stronger catalytic activity on epoxy resin, and the curing efficiency of the organic silicon resin micro-powder ceramic heat-resistant paint can be greatly improved.
Description
Technical Field
The invention relates to the technical field of ceramic heat-resistant paint, in particular to a formula of organic silicon resin micro-powder ceramic heat-resistant paint.
Background
The organic silicon resin is polysiloxane, is a polymer which takes a repeated Si-O bond as a main chain and is directly connected with an organic group on a silicon atom, has a chemical formula of C2H6OSi, is generally colorless or light yellow, tasteless, nontoxic and nonvolatile liquid, is insoluble in water, has excellent heat resistance, oxidation resistance and low temperature resistance, is a light nonmetal multifunctional material, mainly comprises SiO2 and Al2O3, has good dispersibility, high covering power, high whiteness, good suspension property, good chemical stability, good plasticity, high heat-resistant temperature, small density, low ignition loss, good light scattering property and good insulativity, can improve the adsorbability, weather resistance, durability, scrubbing resistance, corrosion resistance and high temperature resistance of the paint film, improve the mechanical property of the paint film, increase the transparency and improve the fireproof performance, and can be used for corrosion prevention, fire prevention, high temperature resistance, powder, building paint and various industrial paints, The civil coating is particularly suitable for high-gloss semi-gloss coatings and other solvents, can replace the using amount of titanium dioxide, eliminate the light flocculation phenomenon caused by using the titanium dioxide, prevent the coating from yellowing, and can reduce the production cost of enterprises, and the heat-resistant coating is also called as high-temperature coating, which refers to coating capable of resisting the temperature of more than 200 ℃ (the short-term resistance can resist the temperature of 300-500 ℃ or higher).
When the existing heat-resistant paint is used for an outer wall, the weather resistance is poor, so that the problems of chalking and falling of a paint surface are easy to occur under the influence of sunlight irradiation and rainwater showering, and the coating curing delay at low temperature is caused by the epoxy resin contained in the heat-resistant paint, so that the wall surface processing efficiency is influenced.
Therefore, the heat-resistant paint formula of the organic silicon resin micro-powder ceramic is needed to be designed aiming at the problems.
Disclosure of Invention
The invention aims to provide a formula of organic silicon resin micro-powder ceramic heat-resistant paint, which aims to solve the problems that the existing heat-resistant paint in the background art is poor in weather resistance and easy to pulverize and fall off, and epoxy resin in the heat-resistant paint causes slow curing of a coating film.
In order to achieve the purpose, the invention provides the following technical scheme: the formula of the organic silicon resin micro powder ceramic heat-resistant paint comprises the following main raw materials in percentage by weight: 45-55 parts of organic silicon resin; 15-20 parts of modified acrylic resin; 0-5 parts of epoxy resin; 15-25 parts of ceramic micro powder; 5-8 parts of copper-chromium black; 0-5 parts of mica powder; 5-10 parts of talcum powder; 10-30 parts of triethanolamine; 5-10 parts of solvent;
the required additives are: defoaming agent, curing agent, dispersing agent and wetting agent.
Preferably, the mass ratio of the ceramic micro powder to the copper-chromium black to the mica powder to the talcum powder is 3: 1: 0-1: 1, the mica powder and the aluminum powder can improve the resistance of the water paint.
Preferably, the modified acrylic resin is prepared by carrying out free radical polymerization reaction on an organic silicon prepolymer, a fluorine-containing monomer and an acrylic monomer.
Preferably, the acrylic monomer is formed by mixing methyl methacrylate and butyl acrylate in a mass ratio of 1: 1.2-2.
Preferably, the talc is used for improving the paint precipitability, mechanical force of a coating film and recoatability, and the solvent is at least one of ethanol aqueous solution, tetrahydrofuran and acetone.
Preferably, the production steps of the formula of the organic silicon resin micro-powder ceramic heat-resistant paint are as follows:
step 1:
preparing modified acrylic resin: uniformly mixing an organic silicon prepolymer, a fluorine-containing monomer, an acrylic monomer and an initiator in a mass ratio of 1:1.2-2, adding the mixture into a measuring cup, adding propylene glycol methyl ether into a reaction container, filling nitrogen into the container, heating to 90-120 ℃, slowly pouring the mixed solution in the measuring cup into the reaction container while stirring, and reacting for 2.5-4.5 hours after complete liquid adding to obtain a modified acrylic resin solution;
step 2:
adding 45 parts of organic silicon resin, 2 parts of epoxy resin and 10 parts of triethanolamine into a stirring tank, and uniformly stirring at a low speed of 200 and 300r/min for 80-100 min; heating to 90 ℃, adding 5 parts of solvent while stirring, and uniformly mixing to obtain an initial paint material;
and step 3:
adding the defoaming agent, the dispersing agent, the thickening agent and the curing agent in a mass ratio of 1-3:5-8:0.05-0.1 into a stirring tank, and uniformly stirring at a low speed of 300r/min for 20-30min to uniformly mix the defoaming agent, the dispersing agent, the thickening agent and the curing agent with the initial paint vehicle;
and 4, step 4:
and (3) taking 15 parts of ceramic micro powder, 5 parts of copper-chromium black, a filler, 1 part of mica powder/aluminum powder and 5 parts of talcum powder, sequentially adding the materials into a stirring tank, and stirring and dispersing at a high speed of 1500-2500r/min for 10-20min to obtain the final paint.
Preferably, the fluorine-containing monomer is trifluoroethyl methacrylate, and the trifluoroethyl methacrylate is mainly used for improving the weather resistance, water resistance and stain resistance of the paint.
Preferably, the mass ratio of the defoaming agent to the dispersing agent to the thickening agent to the curing agent is 1-3:5-8: 0.05-0.1: 1-4.
Preferably, the ceramic micro powder replaces the using amount of titanium dioxide, the light flocculation phenomenon caused by using the titanium dioxide is eliminated, the paint is prevented from yellowing, and the triethanolamine and the curing agent jointly accelerate the curing time of the heat-resistant paint.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, a reasonable mixture ratio is adopted, so that the coating contains the modified acrylic resin, after the acrylic resin is modified by organic silicon and fluorine, the coating has higher weather resistance and can prolong the service life due to the fact that fluorine-containing organic matters have hydrophobicity, weather resistance, corrosion resistance and oxidation resistance, and the amine promoter triethanolamine contained in the heat-resistant paint and the fixing agent act together, so that the heat-resistant paint has stronger catalytic activity on epoxy resin, and the curing efficiency of the organic silicon resin micro-powder ceramic heat-resistant paint can be greatly improved.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a technical scheme that:
example 1:
step 1:
preparing modified acrylic resin: uniformly mixing an organic silicon prepolymer, a fluorine-containing monomer, an acrylic monomer and an initiator in a mass ratio of 1:1.2-2, adding the mixture into a measuring cup, adding propylene glycol methyl ether into a reaction container, filling nitrogen into the container, heating to 90 ℃, slowly pouring the mixed solution in the measuring cup into the reaction container while stirring, and reacting for 2.5 hours after complete liquid adding to obtain a modified acrylic resin solution;
step 2:
adding 45 parts of organic silicon resin, 2 parts of epoxy resin and 10 parts of triethanolamine into a stirring tank, and uniformly stirring at a low speed of 200 and 300r/min for 80 min; heating to 90 ℃, adding 5 parts of solvent while stirring, and uniformly mixing to obtain an initial paint material;
and step 3:
adding the defoaming agent, the dispersing agent, the thickening agent and the curing agent in a mass ratio of 1-3:5-8:0.05-0.1 into a stirring tank, and uniformly stirring at a low speed of 300r/min for 20min to uniformly mix the defoaming agent, the dispersing agent, the thickening agent and the curing agent with the initial paint vehicle;
and 4, step 4:
and (3) taking 15 parts of ceramic micro powder, 5 parts of copper-chromium black, a filler, 1 part of mica powder/aluminum powder and 5 parts of talcum powder, sequentially adding the materials into a stirring tank, and stirring and dispersing at a high speed of 1500-2500r/min for 10min to obtain the final paint vehicle.
Example 2:
step 1:
preparing modified acrylic resin: uniformly mixing an organic silicon prepolymer, a fluorine-containing monomer, an acrylic monomer and an initiator in a mass ratio of 1:1.2-2, adding the mixture into a measuring cup, adding propylene glycol methyl ether into a reaction container, filling nitrogen into the container, heating to 115 ℃, slowly pouring the mixed solution in the measuring cup into the reaction container while stirring, and reacting for 3.5 hours after complete liquid adding to obtain a modified acrylic resin solution;
step 2:
adding 50 parts of organic silicon resin, 3 parts of epoxy resin and 20 parts of triethanolamine into a stirring tank, and uniformly stirring at a low speed of 200 and 300r/min for 90 min; heating to 100 ℃, adding 8 parts of solvent while stirring, and uniformly mixing to obtain an initial paint material;
and step 3:
adding the defoaming agent, the dispersing agent, the thickening agent and the curing agent in a mass ratio of 1-3:5-8:0.05-0.1 into a stirring tank, and uniformly stirring at a low speed of 300r/min for 25min to uniformly mix the defoaming agent, the dispersing agent, the thickening agent and the curing agent with the initial paint vehicle;
and 4, step 4:
and (3) sequentially adding 20 parts of ceramic micro powder, 6 parts of copper-chromium black, a filler, 3 parts of mica powder/aluminum powder and 8 parts of talcum powder into a stirring tank, and stirring and dispersing at a high speed of 1500-2500r/min for 20min to obtain the final paint.
Example 3:
step 1:
preparing modified acrylic resin: uniformly mixing an organic silicon prepolymer, a fluorine-containing monomer, an acrylic monomer and an initiator in a mass ratio of 1:1.2-2, adding the mixture into a measuring cup, adding propylene glycol methyl ether into a reaction container, filling nitrogen into the container, heating to 120 ℃, slowly pouring the mixed solution in the measuring cup into the reaction container while stirring, and reacting for 4.5 hours after complete liquid adding to obtain a modified acrylic resin solution;
step 2:
adding 55 parts of organic silicon resin, 5 parts of epoxy resin and 30 parts of triethanolamine into a stirring tank, and uniformly stirring at a low speed of 200 and 300r/min for 100 min; heating to 110 ℃, adding 10 parts of solvent while stirring, and uniformly mixing to obtain an initial paint material;
and step 3:
adding the defoaming agent, the dispersing agent, the thickening agent and the curing agent in a mass ratio of 1-3:5-8:0.05-0.1 into a stirring tank, and uniformly stirring at a low speed of 300r/min for 30min to uniformly mix the defoaming agent, the dispersing agent, the thickening agent and the curing agent with the initial paint vehicle;
and 4, step 4:
and (3) taking 25 parts of ceramic micro powder, 8 parts of copper-chromium black, a filler, 5 parts of mica powder/aluminum powder and 10 parts of talcum powder, sequentially adding the materials into a stirring tank, and stirring and dispersing at a high speed of 1500-2500r/min for 10-20min to obtain the final paint.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The formula of the organic silicon resin micro powder ceramic heat-resistant paint comprises the following main raw materials in percentage by weight: 45-55 parts of organic silicon resin; 15-20 parts of modified acrylic resin; 0-5 parts of epoxy resin; 15-25 parts of ceramic micro powder; 5-8 parts of copper-chromium black; 0-5 parts of mica powder; 5-10 parts of talcum powder; 10-30 parts of triethanolamine; 5-10 parts of solvent;
the required additives are: defoaming agent, dispersant, thickener and curing agent.
2. The formula of the heat-resistant paint containing the silicone resin micropowder ceramics, which is preferred according to claim 1, is characterized in that: the mass ratio of the ceramic micro powder to the copper-chromium black to the mica powder to the talcum powder is 3: 1: 0-1: 1, the mica powder and the aluminum powder can improve the resistance of the water paint.
3. The formula of the heat-resistant paint containing the silicone resin micropowder ceramics, which is preferred according to claim 1, is characterized in that: the modified acrylic resin is prepared by carrying out free radical polymerization reaction on an organic silicon prepolymer, a fluorine-containing monomer and an acrylic monomer.
4. A silicone resin micropowder ceramic heat-resistant paint formulation preferred according to claim 3, characterized in that: the acrylic monomer is formed by mixing methyl methacrylate and butyl acrylate in a mass ratio of 1: 1.2-2.
5. The formula of the heat-resistant paint containing the silicone resin micropowder ceramics, which is preferred according to claim 1, is characterized in that: the talcum powder is used for improving the precipitation property of paint, the mechanical force of film coating and the recoating property, and the solvent is at least one of ethanol water solution, tetrahydrofuran and acetone.
6. The formula of the heat-resistant paint containing the silicone resin micropowder ceramics, which is preferred according to claim 1, is characterized in that: the production steps of the organic silicon resin micro-powder ceramic heat-resistant paint formula are as follows:
step 1:
preparing modified acrylic resin: uniformly mixing an organic silicon prepolymer, a fluorine-containing monomer, an acrylic monomer and an initiator in a mass ratio of 1:1.2-2, adding the mixture into a measuring cup, adding propylene glycol methyl ether into a reaction container, filling nitrogen into the container, heating to 90-120 ℃, slowly pouring the mixed solution in the measuring cup into the reaction container while stirring, and reacting for 2.5-4.5 hours after complete liquid adding to obtain a modified acrylic resin solution;
step 2:
adding 45 parts of organic silicon resin, 2 parts of epoxy resin and 10 parts of triethanolamine into a stirring tank, and uniformly stirring at a low speed of 200 and 300r/min for 80-100 min; heating to 90 ℃, adding 5 parts of solvent while stirring, and uniformly mixing to obtain an initial paint material;
and step 3:
adding the defoaming agent, the dispersing agent, the thickening agent and the curing agent in a mass ratio of 1-3:5-8:0.05-0.1 into a stirring tank, and uniformly stirring at a low speed of 300r/min for 20-30min to uniformly mix the defoaming agent, the dispersing agent, the thickening agent and the curing agent with the initial paint vehicle;
and 4, step 4:
and (3) taking 15 parts of ceramic micro powder, 5 parts of copper-chromium black, a filler, 1 part of mica powder/aluminum powder and 5 parts of talcum powder, sequentially adding the materials into a stirring tank, and stirring and dispersing at a high speed of 1500-2500r/min for 10-20min to obtain the final paint.
7. A silicone resin micropowder ceramic heat-resistant paint formulation preferred according to claim 3, characterized in that: the fluorine-containing monomer is trifluoroethyl methacrylate which is mainly used for improving the weather resistance, water resistance and stain resistance of the paint.
8. The formula of the heat-resistant paint containing the silicone resin micropowder ceramics, which is preferred according to claim 1, is characterized in that: the mass ratio of the defoaming agent to the dispersing agent to the thickening agent to the curing agent is (1-3: 5-8: 0.05-0.1): 1-4.
9. The formula of the heat-resistant paint containing the silicone resin micropowder ceramics, which is preferred according to claim 1, is characterized in that: the ceramic micro powder replaces the amount of titanium dioxide, eliminates the light flocculation phenomenon caused by using the titanium dioxide, prevents the paint material from yellowing, and the triethanolamine and the curing agent jointly accelerate the curing time of the heat-resistant paint.
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2021
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