CN106398338B - Special high-temperature self-drying insulating enamel and preparation method thereof - Google Patents
Special high-temperature self-drying insulating enamel and preparation method thereof Download PDFInfo
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- CN106398338B CN106398338B CN201611138667.3A CN201611138667A CN106398338B CN 106398338 B CN106398338 B CN 106398338B CN 201611138667 A CN201611138667 A CN 201611138667A CN 106398338 B CN106398338 B CN 106398338B
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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
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
- C08G59/44—Amides
-
- 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
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/54—Silicon-containing compounds
- C08K5/544—Silicon-containing compounds containing nitrogen
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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
-
- 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
-
- 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
-
- 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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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/02—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances
- H01B3/12—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances ceramics
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/40—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes epoxy resins
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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
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- 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
- C08K2003/2265—Oxides; Hydroxides of metals of iron
- C08K2003/2272—Ferric oxide (Fe2O3)
Abstract
The invention relates to the field of coatings, in particular to a special high-temperature self-drying insulating enamel and a preparation method thereof. The paint comprises an E06-4 paint component and a curing agent component, wherein the paint component comprises the following substances in parts by weight: 10-25 parts of titanium dioxide, 3-8 parts of iron oxide red, 8-15 parts of white glaze, 15-70 parts of HG-43 modified organic silicon resin, 3-7 parts of epoxy resin and 0.5-5 parts of KH-550 auxiliary agent; the KH-550 auxiliary agent contains 20-45 parts of KH-550 coupling agent and 55-80 parts of xylene; e06-4 curing agent component, which comprises the following materials, by weight, 40-65 parts of 650 polyamide resin, 20-40 parts of xylene and 15-20 parts of butanol. The product does not flashover, pull out electricity or puncture at the high temperature of 400 ℃, ensures that the surface of large equipment has good insulativity, and ensures the running reliability of the equipment and the personal safety of personnel.
Description
Technical Field
The invention relates to the field of coatings, in particular to a special high-temperature self-drying insulating enamel and a preparation method thereof.
Background
The insulating paint consists of a binder, a solvent or a diluent and auxiliary materials, has electric insulation, heat resistance and chemical resistance, and has decoration.
The paint used in electromechanical equipment, steel-making equipment, large electric furnace and petrochemical equipment is required to be high temperature resistant and high voltage resistant, has no flashover, electrification and breakdown under high voltage, and has the characteristics of self-drying property, corrosion resistance and rust resistance, and the paint can meet multiple purposes.
The paint base is a film forming substance of paint, the heat resistance of the paint depends on the heat resistance grade of the paint base, the high-temperature resistant paint needs to select a film forming substance with high heat resistance grade, a chemical reaction is carried out at high temperature, crosslinking is carried out depending on self chemical groups, and a structure of a net-shaped body is generated, such as organic silicon resin, but the resin cannot be dried by air, large-scale equipment cannot be dried, melted and cured by heating in a baking oven, and therefore the resin is not suitable for being used as the high-temperature self-drying insulating enamel paint.
The large-scale equipment can only select chemical reaction under atmospheric environment to generate a net-shaped result, and has excellent physical, chemical and electrical properties.
Disclosure of Invention
The purpose of the invention is as follows: in order to provide the special high-temperature self-drying insulating enamel with better effect and the preparation method thereof, the specific purpose is seen in a plurality of substantial technical effects of the specific implementation part.
In order to achieve the purpose, the invention adopts the following technical scheme:
the first scheme is as follows:
the special high-temperature self-drying insulating enamel is characterized by comprising a paint component and a curing agent component,
the paint comprises the following components: the paint comprises the following substances, by weight, 10-25 parts of rutile titanium dioxide, 3-8 parts of ferric oxide, 8-15 parts of white glaze, 3-7 parts of epoxy resin and 0.5-5 parts of KH-550 auxiliary agent; wherein the KH-550 auxiliary agent comprises 20-45 parts of KH-550 coupling agent and 55-80 parts of xylene;
curing agent component: comprises 650 portions of polyamide resin 40-65 portions, xylene 20-40 portions and butanol 15-20 portions.
The further technical scheme of the invention is that the paint component also comprises 15-70 parts by weight of acidic organic silicon resin.
Scheme II:
the preparation method of the special high-temperature self-drying insulating enamel is characterized in that the formula is adopted, the preparation method comprises the following steps of sequentially adding acidic organic silicon resin, titanium dioxide, iron oxide red and white glaze into a size mixing tank, starting a stirrer to stir slowly, properly increasing the stirring speed after stirring uniformly, mixing the materials into enamel paste, and grinding the enamel paste in a horizontal grinding machine until the fineness is below 30 mu m;
and (3) feeding the ground paint slurry into a slurry mixing tank, starting to stir and adding the rest of epoxy resin and KH-550 coupling agent, adding dimethylbenzene: and (3) adjusting the viscosity of the paint to be 25-35 seconds/coating-4 at the temperature of above 23 ℃ by using butanol according to the weight ratio of 6:4, filtering and packaging.
Compared with the prior art, the invention adopting the technical scheme has the following beneficial effects: the product does not flashover, pull out electricity or puncture at the high temperature of 400 ℃, ensures that the surface of large equipment has good insulativity, and ensures the running reliability of the equipment and the personal safety of personnel.
Detailed Description
The following examples of the present invention are illustrative, and are not to be construed as limiting the invention:
comprises the following paint components: the paint comprises the following substances, by weight, 10-25 parts of titanium dioxide, 3-8 parts of iron oxide red, 8-15 parts of white glaze, 3-7 parts of epoxy resin and 0.5-5 parts of KH-550 auxiliary agent; wherein the KH-550 auxiliary agent comprises 20-45 parts of KH-550 coupling agent and 55-80 parts of xylene; also comprises a curing agent component: the polyamide resin comprises, by weight, 40-65 parts of 650 polyamide resin, 20-40 parts of xylene and 15-20 parts of butanol. The paint component also comprises 15-70 parts of acidic organic silicon resin. The preparation method of the special high-temperature self-drying insulating enamel is characterized in that the formula is adopted, the preparation method comprises the following steps of sequentially adding acidic organic silicon resin, titanium dioxide, iron oxide red and white glaze into a size mixing tank, starting a stirrer to stir slowly, properly increasing the stirring speed after stirring uniformly, mixing the materials into enamel paste, and grinding the enamel paste in a grinding machine until the fineness is below 30 mu m; the ground paint slurry enters a paint mixing tank, the rest of epoxy resin and KH-550 coupling agent are added under stirring, and the weight ratio of xylene: and (3) adjusting the viscosity of the paint to be 25-35 seconds/coating-4 at the temperature of above 23 ℃ by using butanol according to the weight ratio of 6:4, filtering and packaging.
The special high-temperature self-drying insulating enamel paint meets the following indexes:
under the atmospheric environment, the single component is selected to be incapable of realizing crosslinking under the normal temperature condition to generate a network structure, the other component is required to be introduced, and the chemical groups of the two components react with each other under the atmospheric environment to generate the network structure.
1053 the silicone resin is a thermosetting resin having the best heat resistance among insulating materials because it is a high-temperature curing resin and is not suitable for a normal-temperature curing paint.
The modified organic silicon resin is selected, the groups can be cured by using a curing agent at normal temperature to prepare the self-drying paint, the polyamide resin is selected as the curing agent, the amide group and the epoxy group react and crosslink, the heat resistance of the modified organic silicon resin is slightly lower than that of the organic silicon resin, but the modified organic silicon resin still belongs to an H-grade heat-resistant material, the adhesive force is increased, and the strength is improved.
The auxiliary materials comprise coloring pigment, extender pigment and auxiliary agent, the principle of selection must have heat resistance, the product can be prepared into pink and white paint, because the coloring pigment titanium dioxide is selected, the heat resistance and the insulativity are better, the titanium dioxide is divided into rutile and anatase, the chemical stability and the heat resistance of the rutile are better than those of the anatase, the melting point of the rutile is as high as 1850 ℃, the dielectric constant is 114, and the anatase is converted into the rutile at 1200-1300 ℃, the dielectric constant of the anatase is 48 and is lower than that of the rutile.
The iron oxide red is an inert pigment, has stable optical characteristics and chemical characteristics, has tinting strength second to that of carbon black, has good heat resistance up to 1200 ℃, has less impurities and high purity of the synthetic iron red, and is used as a tinting pigment. Carbon black affects insulation and is therefore used as little as possible.
In order to increase the viscosity of the paint, increase the electrical strength of a paint film, prevent the paint from precipitating and increase the mechanical properties of the paint, multi-purpose extender pigments such as quartz powder, ground limestone powder and wollastonite powder are selected, are all not ideal, and electromagnetic white glaze (melting point 1130-.
The product does not flashover, pull out electricity or puncture at the high temperature of 400 ℃, ensures that the surface of large equipment has good insulativity, and ensures the safety of equipment and personnel.
Creatively, the above effects exist independently, and the combination of the above results can be completed by a set of structure.
It should be noted that the plurality of schemes provided in this patent include their own basic schemes, which are independent of each other and are not restricted to each other, but they may be combined with each other without conflict, so as to achieve a plurality of effects.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, and the invention is to be limited to the embodiments described above.
Claims (2)
1. The special high-temperature self-drying insulating enamel is characterized by comprising an E06-4 paint component and a curing agent component;
e06-4 paint component, which comprises the following substances, by weight, 10-25 parts of titanium dioxide, 3-8 parts of ferric oxide, 8-15 parts of white glaze, 3-7 parts of epoxy resin and 0.5-5 parts of KH-550 auxiliary agent; wherein the KH-550 auxiliary agent comprises 20-45 parts of KH-550 coupling agent and 55-80 parts of xylene;
a curing agent component comprising the following materials in parts by weight: 650 parts of polyamide resin 40-65 parts, 20-40 parts of dimethylbenzene and 15-20 parts of butanol;
the paint component also comprises 15-70 parts of modified organic silicon resin.
2. A preparation method of a special high-temperature self-drying insulating enamel is characterized in that the formula as in claim 1 is adopted, the preparation method comprises the following steps of sequentially adding modified organic silicon resin, titanium dioxide, iron oxide red and white glaze into a size mixing tank, starting a stirrer to stir slowly, properly increasing stirring speed after stirring uniformly, mixing materials into enamel paste, and grinding the enamel paste in a grinding machine until the fineness is below 30 microns;
the ground paint slurry enters a paint mixing tank, the rest of epoxy resin and KH-550 coupling agent are added under stirring, and the weight ratio of xylene: and (3) adjusting the viscosity of the paint to be 25-35 seconds/coating-4 at the temperature of above 23 ℃ by using butanol according to the volume ratio of 6:4, filtering and packaging.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611138667.3A CN106398338B (en) | 2016-12-12 | 2016-12-12 | Special high-temperature self-drying insulating enamel and preparation method thereof |
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| CN201611138667.3A CN106398338B (en) | 2016-12-12 | 2016-12-12 | Special high-temperature self-drying insulating enamel and preparation method thereof |
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| CN106398338A CN106398338A (en) | 2017-02-15 |
| CN106398338B true CN106398338B (en) | 2020-01-21 |
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| CN108753128A (en) * | 2018-06-21 | 2018-11-06 | 天津市津海特种涂料装饰有限公司 | A kind of superhigh temperature resistant is from dry high temperature lacquer |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104673092A (en) * | 2015-03-11 | 2015-06-03 | 江苏欣安新材料技术有限公司 | High-temperature-resistant coating containing hydantoin epoxy resin and preparation method of high-temperature-resistant coating |
| CN105419409A (en) * | 2015-11-23 | 2016-03-23 | 沈阳黎明航空发动机(集团)有限责任公司 | High-temperature-fuel-gas-washing-resistant coating and preparation method and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102260448A (en) * | 2010-05-30 | 2011-11-30 | 湘潭瑞鑫电气科技有限责任公司 | Surface insulation paint |
| CN102443339B (en) * | 2010-10-13 | 2013-12-25 | 中国科学院金属研究所 | Ultrahigh-hardness organic protection coating and preparation method thereof |
| CN102634259B (en) * | 2011-06-21 | 2014-04-23 | 漳州鑫展旺化工有限公司 | Low-temperature curing anticorrosive paint and preparation method thereof |
| CN103694889B (en) * | 2013-12-16 | 2016-05-11 | 上海市涂料研究所 | A kind of fire-resistant anticorrosion paint for wide variety of substrates and preparation method thereof |
| CN105176306A (en) * | 2015-09-24 | 2015-12-23 | 天津米一科技有限公司 | Multifunctional 100% solid content amino silicone crosslinked epoxy coating |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104673092A (en) * | 2015-03-11 | 2015-06-03 | 江苏欣安新材料技术有限公司 | High-temperature-resistant coating containing hydantoin epoxy resin and preparation method of high-temperature-resistant coating |
| CN105419409A (en) * | 2015-11-23 | 2016-03-23 | 沈阳黎明航空发动机(集团)有限责任公司 | High-temperature-fuel-gas-washing-resistant coating and preparation method and application thereof |
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