CN114921176A - High-temperature-resistant self-spraying paint and preparation method thereof - Google Patents
High-temperature-resistant self-spraying paint and preparation method thereof Download PDFInfo
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- 239000003973 paint Substances 0.000 title claims abstract description 54
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 238000005507 spraying Methods 0.000 title claims description 28
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims abstract description 63
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 claims abstract description 50
- 239000000843 powder Substances 0.000 claims abstract description 50
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 46
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims abstract description 42
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 39
- 239000011347 resin Substances 0.000 claims abstract description 39
- 229920005989 resin Polymers 0.000 claims abstract description 39
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 39
- 239000010703 silicon Substances 0.000 claims abstract description 39
- 239000011521 glass Substances 0.000 claims abstract description 30
- 239000003085 diluting agent Substances 0.000 claims abstract description 28
- 239000007921 spray Substances 0.000 claims abstract description 28
- 239000000049 pigment Substances 0.000 claims abstract description 27
- 239000002270 dispersing agent Substances 0.000 claims abstract description 25
- 229940028356 diethylene glycol monobutyl ether Drugs 0.000 claims abstract description 21
- JCGNDDUYTRNOFT-UHFFFAOYSA-N oxolane-2,4-dione Chemical compound O=C1COC(=O)C1 JCGNDDUYTRNOFT-UHFFFAOYSA-N 0.000 claims abstract description 21
- DCKVNWZUADLDEH-UHFFFAOYSA-N sec-butyl acetate Chemical compound CCC(C)OC(C)=O DCKVNWZUADLDEH-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000002994 raw material Substances 0.000 claims abstract description 7
- 238000003756 stirring Methods 0.000 claims description 53
- 239000007788 liquid Substances 0.000 claims description 24
- 239000000443 aerosol Substances 0.000 claims description 16
- 238000011049 filling Methods 0.000 claims description 15
- 238000000227 grinding Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 12
- 238000002156 mixing Methods 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 10
- 238000001914 filtration Methods 0.000 claims description 9
- 239000011324 bead Substances 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 5
- 238000007790 scraping Methods 0.000 claims description 5
- 238000005303 weighing Methods 0.000 claims description 5
- 238000010422 painting Methods 0.000 claims 2
- 239000003380 propellant Substances 0.000 abstract description 6
- 239000000853 adhesive Substances 0.000 abstract description 4
- 230000001070 adhesive effect Effects 0.000 abstract description 4
- 239000002932 luster Substances 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 3
- 150000003839 salts Chemical class 0.000 abstract description 2
- 239000003086 colorant Substances 0.000 description 6
- 238000001514 detection method Methods 0.000 description 4
- 230000002265 prevention Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000030279 gene silencing Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/04—Polysiloxanes
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/14—Paints containing biocides, e.g. fungicides, insecticides or pesticides
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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
- C09D7/20—Diluents or solvents
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
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Abstract
The invention discloses a high temperature resistant self-spray paint and a preparation method thereof, wherein organic silicon resin, high temperature resistant pigment, glass powder, matte powder, anti-settling agent, leveling agent, dispersing agent, diethylene glycol monobutyl ether, ethyl acetate, butyl ester, acetone and dimethyl ether are used as raw materials, wherein the dimethyl ether is used as a propellant, and the diethylene glycol monobutyl ether, the ethyl acetate, the butyl ester and the acetone are mixed to prepare a diluent, so that the overall stability of the spray paint is improved, the viscosity of the spray paint is reduced, the high temperature resistance of the spray paint can be improved by the glass powder, the special color of the spray paint is used as the high temperature resistant pigment, the weather resistance, the waterproof function, the salt fog resistance function and the mould resistance function of the spray paint are improved by the organic silicon resin, the luster and the brightness of the spray paint can be improved by the matte powder, the luster and the tinting strength of the spray paint can be improved by the dispersing agent, the spray paint is dispersed uniformly and does not agglomerate, and the spray paint has high temperature resistance, low cost, high temperature resistance and high temperature resistance, and good resistance, high temperature resistance, and good stability, high temperature resistance, and good resistance, high temperature resistance, and good stability, and good in the like, Long time, high hardness, strong adhesive force, convenient construction and the like.
Description
Technical Field
The invention relates to the technical field of automobile articles, in particular to a high-temperature-resistant self-spraying paint and a preparation method thereof.
Background
After the automobile is used for a period of time, the automobile needs to be maintained, wherein, if scratches appear on the surface of the automobile, the automobile drops, etc., the paint repairing work needs to be carried out on the surface of the automobile, the existing high-temperature resistant paint is barrelled at present, the industrial pollution is serious, the waste is great, the professional personnel and the site spraying are necessary, the paint dropping phenomenon appears when the automobile runs into high-temperature weather and is used for a short time, the weather resistance, the waterproofness and the gloss are poor, a certain difference exists between the sprayed paint and the original automobile after the paint spraying, the service life is short while the paint spraying is required to be repeated, therefore, a self-spraying paint needs to be developed, the high-temperature resistant paint is made into the self-spraying paint of the aerosol, and the high-temperature resistant degree of the paint is improved.
Disclosure of Invention
Aiming at the defects of the prior art, such as matte paint film, insufficient hardness and adhesive force, the invention aims to provide a high-temperature resistant self-spraying paint which can be used at a high temperature of 850 ℃ for a long time, has high hardness and strong adhesive force and does not need a diluted spray gun and a preparation method thereof.
In order to realize the purpose, the scheme provided by the invention is as follows: a high-temperature resistant self-spraying paint comprises the following components in percentage by weight: 60-80% of dimethyl ether; 20-40% of feed liquid;
wherein the feed liquid comprises the following components: 20-30 parts of organic silicon resin; 5-15 parts of high-temperature resistant pigment; 6-10 parts of glass powder; 0.5-1.5 parts of matte powder; 0.5-2.5 parts of anti-settling agent; 0.06-0.1 part of dispersant; 0.1-0.2 part of a leveling agent; 50-60 parts of a diluent.
Further, the diluent comprises 10-20% of diethylene glycol monobutyl ether; 10-20% of ethyl acetate; 43-46% of butyl ester; 30-35% of acetone.
Further, 70% of dimethyl ether; 30% of feed liquid.
Further, the feed liquid comprises the following components: 25 parts of organic silicon resin; 10 parts of high-temperature resistant pigment; 8 parts of glass powder; 1 part of matte powder; 1.5 parts of anti-settling agent; 0.08 part of a dispersing agent; 0.15 part of a leveling agent; and 55 parts of a diluent.
Further, diethylene glycol monobutyl ether 12%; 12% of ethyl acetate; 44% of butyl ester; and 32% of acetone.
The invention has the beneficial effects that: the invention adopts organic silicon resin, high temperature resistant pigment, glass powder, matte powder, anti-settling agent, dispersant, leveling agent, diethylene glycol monobutyl ether, ethyl acetate, butyl ester, acetone and dimethyl ether as raw materials, wherein the dimethyl ether is used as a propellant, and the diethylene glycol monobutyl ether, the ethyl acetate, the butyl ester and the acetone are mixed to prepare the diluent, so as to improve the overall stability of the spray paint and reduce the viscosity of the spray paint, the glass powder can improve the high temperature resistance of the spray paint, the high temperature resistant pigment is used as the special color of the spray paint, the organic silicon resin improves the weather resistance, the waterproof function, the salt fog prevention function and the mould prevention function of the spray paint, the matte powder can improve the luster and the brightness of the spray paint, the dispersant can improve the luster and the tinting strength of the spray paint, so that the spray paint is uniformly dispersed and does not agglomerate, and has the advantages of high temperature resistance, long time, high hardness, strong adhesive force, and uniform dispersion, Convenient construction and the like.
The invention also comprises a preparation method of the high-temperature-resistant self-spraying paint, which comprises the following steps:
s1, weighing organic silicon resin, high-temperature-resistant pigment, glass powder, matte powder, an anti-settling agent, a dispersing agent, a leveling agent, diethylene glycol monobutyl ether, ethyl acetate, butyl ester, acetone and dimethyl ether according to the components, pouring the diethylene glycol monobutyl ether into a stirrer, and then sequentially adding the ethyl acetate, the butyl ester and the acetone, stirring and mixing until the mixture is uniformly stirred to prepare a diluent;
s2, dividing the organic silicon resin weighed in the step S1 into two parts according to a set proportion, pouring one part of the organic silicon resin into a stirrer for stirring, increasing the stirring speed to 800-1200r/S, adding glass powder, and stirring for 20-40 min;
s3, pouring the other part of the organic silicon resin obtained in the step S2 into another stirrer, and then sequentially adding the dispersing agent and the anti-settling agent until the mixture is uniformly stirred, wherein the stirring speed is 500-700 r/S;
s4, adding the high-temperature-resistant pigment into the solution stirred in the step S3 at the stirring rotation speed of 500-1200 r/S until the solution is uniformly stirred, then increasing the rotation speed to 800-1200r/S, stirring for 0.5-1.5h, grinding to obtain color paste, detecting the color paste by scraping the fineness after grinding is finished, and discharging the color paste out of a barrel for standby if the color paste is qualified; if the color paste is unqualified, re-grinding the color paste until the color paste is qualified;
s5, adding the color paste, the diluent, the flatting agent and the matte powder which are qualified in the step S4 into the raw materials which are stirred in the step S2 in sequence, stirring and mixing colors, and mixing colors through a spray plate until the color is qualified;
s6, filtering the material liquid mixed with the colors in the step S5, filling the material liquid into an aerosol tank in which glass beads are placed, sealing the aerosol tank, and filling dimethyl ether into the aerosol tank by a pressure filling method after sealing. The organic silicon resin, the anti-settling agent, the dispersing agent and the high-temperature resistant pigment are mixed with one another to prepare color paste, then the organic silicon resin, the glass powder, the color paste, the leveling agent, the diluting agent and the matte powder are sequentially mixed, color mixing is carried out, filtering is carried out after color mixing, and finally dimethyl ether is filled into an air fog tank to be used as a propellant to prepare the spray paint of the invention; the invention can be used for coating corrosion on the surfaces of high-temperature equipment such as an automobile high-temperature furnace, a chimney, a flue exhaust pipe, an engine shell, a silencing opening, a drying tunnel, an oven, a hot blast stove and the like, does not need professional personnel and places, can be sprayed at any time and is convenient for construction.
Further, in the step S2, the stirring speed is 1000r/S, and the stirring time is 30 min.
Further, in the step S3, the stirring rotation speed is 600 r/S.
Further, in the step S4, adding a high-temperature resistant pigment into the solution stirred in the step S3 at a stirring rotation speed of 600 r/S; the rotation speed is increased to 1000r/s, and stirring is carried out for 1 h.
Drawings
FIG. 1 is a flow chart of the present invention.
Detailed Description
The invention is further illustrated by the following specific examples:
the first embodiment is as follows:
referring to the attached figure 1, the high-temperature resistant self-spraying paint comprises the following components in percentage by weight: 60% of dimethyl ether; 40% of feed liquid;
wherein the feed liquid comprises the following components: 20 parts of organic silicon resin; 5 parts of high-temperature resistant pigment; 6 parts of glass powder; 0.5 part of matte powder; 0.5 part of anti-settling agent; 0.06 part of a dispersant; 0.1 part of a leveling agent; 50 parts of diluent.
The diluent comprises 12% of diethylene glycol monobutyl ether; 12% of ethyl acetate; 44% of butyl ester; and 32% of acetone.
The embodiment also comprises a preparation method of the high-temperature-resistant self-spraying paint, which comprises the following steps:
s1, weighing organic silicon resin, high-temperature-resistant pigment, glass powder, matte powder, an anti-settling agent, a dispersing agent, a leveling agent, diethylene glycol monobutyl ether, ethyl acetate, butyl ester, acetone and dimethyl ether according to the components, pouring the diethylene glycol monobutyl ether into a stirrer, and then sequentially adding the ethyl acetate, the butyl ester and the acetone, stirring and mixing until the mixture is uniformly stirred to obtain the diluent.
S2, dividing the organic silicon resin weighed in the step S1 into two parts according to a set proportion, pouring one part of the organic silicon resin into a stirrer for stirring, increasing the stirring speed to 800r/S, adding glass powder, and stirring for 20 min.
And S3, pouring the other part of the organic silicon resin obtained in the step S2 into another stirrer, and then sequentially adding the dispersing agent and the anti-settling agent until the mixture is uniformly stirred, wherein the stirring speed is 500 r/S.
S4, adding high-temperature-resistant pigment into the solution stirred in the step S3 at a stirring rotating speed of 500r/S until the solution is uniformly stirred, then increasing the rotating speed to 800r/S, stirring for 0.5h, grinding to obtain color paste, detecting the color paste by scraping fineness after grinding is finished, and discharging and barreling the color paste for later use if the color paste is qualified; if the color paste is unqualified, the color paste is reground until the color paste is qualified.
And S5, adding the color paste, the diluent, the flatting agent and the matte powder which are qualified in the step S4 into the raw materials which are stirred in the step S2 in sequence, stirring and mixing colors, and mixing colors through a spray plate until the color is qualified.
S6, filtering the material liquid mixed with the colors in the step S5, filling the material liquid into an aerosol tank in which glass beads are placed, sealing the aerosol tank, and filling dimethyl ether into the aerosol tank by a pressure filling method after sealing.
Wherein, the stirring adopts a stirrer, and the grinding adopts a grinder.
In the embodiment, the organic silicon resin, the dispersing agent, the anti-settling agent and the high-temperature resistant pigment are mixed with each other to prepare the color paste, then the organic silicon resin, the glass powder, the color paste, the leveling agent, the diluent and the matte powder are sequentially mixed, color matching is carried out, filtering is carried out after color matching, and finally the dimethyl ether is filled into the air spray tank to be used as the propellant to prepare the high-temperature resistant self-spraying paint.
Example two:
referring to the attached figure 1, the high-temperature resistant self-spraying paint comprises the following components in percentage by weight: 80% of dimethyl ether; 20% of feed liquid;
wherein the feed liquid comprises the following components: 30 parts of organic silicon resin; 15 parts of high-temperature resistant pigment; 10 parts of glass powder; 1.5 parts of matte powder; 2.5 parts of an anti-settling agent; 0.1 part of a dispersant; 0.2 part of a leveling agent; 60 parts of a diluent.
The diluent comprises 12% of diethylene glycol monobutyl ether; 12% of ethyl acetate; 44% of butyl ester; and 32% of acetone.
The embodiment also comprises a preparation method of the high-temperature-resistant self-spraying paint, which comprises the following steps:
s1, weighing organic silicon resin, high-temperature-resistant pigment, glass powder, matte powder, an anti-settling agent, a dispersing agent, a leveling agent, diethylene glycol monobutyl ether, ethyl acetate, butyl ester, acetone and dimethyl ether according to the components, pouring the diethylene glycol monobutyl ether into a stirrer, and then sequentially adding the ethyl acetate, the butyl ester and the acetone to stir and mix until the mixture is uniformly stirred to obtain the diluent.
S2, dividing the organic silicon resin weighed in the step S1 into two parts according to a set proportion, pouring one part of the organic silicon resin into a stirrer for stirring, increasing the stirring speed to 1200r/S, adding glass powder, and stirring for 40 min.
And S3, pouring the other part of the organic silicon resin obtained in the step S2 into another stirrer, and then sequentially adding the dispersing agent and the anti-settling agent until the mixture is uniformly stirred, wherein the stirring speed is 700 r/S.
S4, adding high-temperature-resistant pigment into the solution stirred in the step S3 at a stirring speed of 700r/S until the solution is uniformly stirred, then increasing the rotation speed to 1200r/S, stirring for 1.5h, grinding to obtain color paste, detecting the color paste by scraping fineness after grinding is finished, and discharging the color paste and barreling for later use if the color paste is qualified; if the detection is unqualified, the color paste is reground until the detection is qualified.
S5, adding the color paste, the diluent, the flatting agent and the matte powder qualified in the step S4 into the raw materials stirred in the step S2 in sequence, stirring and toning, and toning through a spray plate until the color is qualified.
S6, filtering the material liquid after color mixing in the step S5, then filling the material liquid into an aerosol can in which glass beads are placed, sealing the aerosol can, and filling dimethyl ether into the aerosol can by a pressure filling method after sealing is finished.
Wherein, the stirring adopts a stirrer, and the grinding adopts a grinder.
In the embodiment, the organic silicon resin, the dispersing agent, the anti-settling agent and the high-temperature resistant pigment are mixed with each other to prepare the color paste, then the organic silicon resin, the glass powder, the color paste, the leveling agent, the diluent and the matte powder are sequentially mixed, color matching is carried out, filtering is carried out after color matching, and finally the dimethyl ether is filled into the air spray tank to be used as the propellant to prepare the high-temperature resistant self-spraying paint.
Example three:
referring to the attached figure 1, the high-temperature resistant self-spraying paint comprises the following components in percentage by weight: 70% of dimethyl ether; 30% of feed liquid;
wherein the feed liquid comprises the following components: 25 parts of organic silicon resin; 10 parts of high-temperature resistant pigment; 8 parts of glass powder; 1 part of matte powder; 1.5 parts of anti-settling agent; 0.08 part of a dispersing agent; 0.15 part of a leveling agent; and 55 parts of a diluent.
The diluent comprises 12% of diethylene glycol monobutyl ether; 12% of ethyl acetate; 44% of butyl ester; and 32% of acetone.
The embodiment also comprises a preparation method of the high-temperature-resistant self-spraying paint, which comprises the following steps:
s1, weighing organic silicon resin, high-temperature-resistant pigment, glass powder, matte powder, an anti-settling agent, a dispersing agent, a leveling agent, diethylene glycol monobutyl ether, ethyl acetate, butyl ester, acetone and dimethyl ether according to the components, pouring the diethylene glycol monobutyl ether into a stirrer, and then sequentially adding the ethyl acetate, the butyl ester and the acetone, stirring and mixing until the mixture is uniformly stirred to obtain the diluent.
S2, dividing the organic silicon resin weighed in the step S1 into two parts according to a set proportion, pouring one part of the organic silicon resin into a stirrer for stirring, increasing the stirring speed to 1000r/S, adding glass powder, and stirring for 30 min.
And S3, pouring the other part of the organic silicon resin obtained in the step S2 into another stirrer, and then sequentially adding the dispersing agent and the anti-settling agent until the mixture is uniformly stirred, wherein the stirring speed is 600 r/S.
S4, adding high-temperature-resistant pigment into the solution stirred in the step S3 at the stirring speed of 600r/S until the solution is uniformly stirred, then increasing the rotating speed to 1000r/S, stirring for 1h, grinding to obtain color paste, detecting the color paste by scraping fineness after grinding is finished, and discharging the color paste and barreling for later use if the color paste is qualified; if the detection is unqualified, the color paste is reground until the detection is qualified.
S5, adding the color paste, the diluent, the flatting agent and the matte powder qualified in the step S4 into the raw materials stirred in the step S2 in sequence, stirring and toning, and toning through a spray plate until the color is qualified.
S6, filtering the material liquid after color mixing in the step S5, then filling the material liquid into an aerosol can in which glass beads are placed, sealing the aerosol can, and filling dimethyl ether into the aerosol can by a pressure filling method after sealing is finished.
Wherein, the stirring adopts a stirrer, and the grinding adopts a grinder.
In the embodiment, the organic silicon resin, the dispersing agent, the anti-settling agent and the high-temperature resistant pigment are mixed with each other to prepare the color paste, then the organic silicon resin, the glass powder, the color paste, the leveling agent, the diluent and the matte powder are sequentially mixed, color matching is carried out, filtering is carried out after color matching, and finally the dimethyl ether is filled into the air spray tank to be used as the propellant to prepare the high-temperature resistant self-spraying paint.
From the above-mentioned inspection results, the paint surfaces formed by spraying the paint in the first, second and third examples are uniform in color, smooth and flat, have no residual color, and meet the standards of hardness, specification test, flexibility, water resistance and high temperature resistance, and the spraying rate, internal pressure, tack-free time and tack-free time are the best in the third example.
The above-described embodiments are merely preferred embodiments of the present invention, which is not intended to limit the present invention in any way. Those skilled in the art can make many changes and modifications to the disclosed embodiments, or modify equivalent embodiments to practice the disclosed embodiments, without departing from the scope of the disclosed embodiments. Therefore, equivalent variations made in accordance with the spirit of the present invention should be covered by the protection scope of the present invention without departing from the content of the technical scheme of the present invention.
Claims (9)
1. The high-temperature-resistant self-spraying paint is characterized in that: comprises the following percentages: 60-80% of dimethyl ether; 20-40% of feed liquid;
wherein the feed liquid comprises the following components: 20-30 parts of organic silicon resin; 5-15 parts of high-temperature resistant pigment; 6-10 parts of glass powder; 0.5-1.5 parts of matte powder; 0.5-2.5 parts of anti-settling agent; 0.06-0.1 part of dispersant; 0.1-0.2 part of a leveling agent; 50-60 parts of a diluent.
2. The high temperature resistant self-spraying paint as claimed in claim 1, wherein: the diluent comprises 10-20% of diethylene glycol monobutyl ether; 10-20% of ethyl acetate; 43-46% of butyl ester; 30-35% of acetone.
3. The high temperature resistant self-painting of claim 2, wherein: 70% of dimethyl ether; 30% of feed liquid.
4. The high temperature resistant self-spraying paint as claimed in claim 2, wherein: the feed liquid comprises the following components: 25 parts of organic silicon resin; 10 parts of high-temperature resistant pigment; 8 parts of glass powder; 1 part of matte powder; 1.5 parts of an anti-settling agent; 0.08 part of a dispersing agent; 0.15 part of a leveling agent; and 55 parts of a diluent.
5. The high temperature resistant self-painting of claim 2, wherein: 12% of diethylene glycol monobutyl ether; 12% of ethyl acetate; 44% of butyl ester; and 32% of acetone.
6. A process for the preparation of the high temperature resistant self-lacquering paint according to claim 2, characterized in that: the method comprises the following steps:
s1, weighing organic silicon resin, high-temperature-resistant pigment, glass powder, matte powder, an anti-settling agent, a dispersing agent, a leveling agent, diethylene glycol monobutyl ether, ethyl acetate, butyl ester, acetone and dimethyl ether according to the components, pouring the diethylene glycol monobutyl ether into a stirrer, and then sequentially adding the ethyl acetate, the butyl ester and the acetone to stir and mix until the mixture is uniformly stirred to prepare a diluent;
s2, dividing the organic silicon resin weighed in the step S1 into two parts according to a set proportion, pouring one part of the organic silicon resin into a stirrer for stirring, increasing the stirring speed to 800-1200r/S, adding glass powder, and stirring for 20-40 min;
s3, pouring the other part of the organic silicon resin obtained in the step S2 into another stirrer, and then sequentially adding a dispersing agent and an anti-settling agent until the mixture is uniformly stirred, wherein the stirring speed is 500-700 r/S;
s4, adding the high-temperature-resistant pigment into the solution stirred in the step S3 at the stirring rotation speed of 500-1200 r/S until the solution is uniformly stirred, then increasing the rotation speed to 800-1200r/S, stirring for 0.5-1.5h, grinding to obtain color paste, detecting the color paste by scraping the fineness after grinding is finished, and discharging the color paste out of a barrel for standby if the color paste is qualified; if the color paste is unqualified, re-grinding the color paste until the color paste is qualified;
s5, sequentially adding the color paste, the diluent, the flatting agent and the matte powder which are qualified in the step S4 into the raw materials which are stirred in the step S2, stirring and toning, and toning through a spray plate until the color is qualified;
s6, filtering the material liquid after color mixing in the step S5, then filling the material liquid into an aerosol can in which glass beads are placed, sealing the aerosol can, and filling dimethyl ether into the aerosol can by a pressure filling method after sealing is finished.
7. The method for preparing the high-temperature-resistant self-spraying paint according to claim 6, wherein the method comprises the following steps: in the step S2, the stirring speed is 1000r/min, and the stirring time is 30 min.
8. The method for preparing the high-temperature-resistant self-spraying paint according to claim 6, wherein the method comprises the following steps: in the step S3, the stirring speed is 600 r/min.
9. The method for preparing the high-temperature resistant self-spraying paint as claimed in claim 6, wherein: in the step S4, adding a high-temperature resistant pigment into the solution stirred in the step S3 at a stirring speed of 600 r/S; the rotation speed is increased to 1000r/s, and stirring is carried out for 1 h.
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Application publication date: 20220819 |