CN111978767A - High-breakdown-voltage mosaic modified polyester enameled wire insulating paint and preparation method thereof - Google Patents
High-breakdown-voltage mosaic modified polyester enameled wire insulating paint and preparation method thereof Download PDFInfo
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- CN111978767A CN111978767A CN202010904864.1A CN202010904864A CN111978767A CN 111978767 A CN111978767 A CN 111978767A CN 202010904864 A CN202010904864 A CN 202010904864A CN 111978767 A CN111978767 A CN 111978767A
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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
- C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
- C09D4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09D159/00 - C09D187/00
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/23—Magnetisable or magnetic paints or lacquers
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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
- C09D5/24—Electrically-conducting 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
- C09D7/65—Additives macromolecular
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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
- H01B3/42—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 polyesters; polyethers; polyacetals
- H01B3/421—Polyesters
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- Wood Science & Technology (AREA)
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- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Organic Insulating Materials (AREA)
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Abstract
The invention discloses a high breakdown voltage mosaic modified polyester enameled wire insulating paint and a preparation method thereof, wherein the insulating paint comprises the following raw materials in parts by weight: 9-13 parts of a seik modified polyesterimide resin, 6-7 parts of a solvent, 3-5 parts of styrene, 2-4 parts of a catalyst and 4-7 parts of an auxiliary agent. According to the high-breakdown-voltage mosaic modified polyester enameled wire insulating varnish and the preparation method thereof, various raw materials including ethylene-vinyl acetate copolymer, graphite powder, magnetic powder and the like are added into an internal auxiliary agent, when the varnish is used, the ethylene-vinyl acetate copolymer can be used as an impact modifier, the bending strength of the enameled wire insulating varnish is improved, the good appearance can be well kept when the enameled wire insulating varnish is subjected to long-time sunlight and corrosion of organic matters, the normal transmission of internal copper wires to data is improved, the graphite powder and the magnetic powder can be matched with each other, and the conduction magnetism and the heat resistance inside the insulating varnish are improved.
Description
Technical Field
The invention relates to the technical field of enameled wire insulating varnish preparation, in particular to high-breakdown-voltage mosaic modified polyester enameled wire insulating varnish and a preparation method thereof.
Background
The polyurethane enameled wire has the characteristics of direct welding property, good high-frequency resistance, easy coloring and good moisture resistance, and can be widely applied to electronic household appliances, precise instruments, telecommunication and instruments. An electrically insulating lacquer material is a dielectric whose essential feature is to transmit the action and influence of electricity inductively rather than conductively. IEC defines dielectrics as polarizable substances and electrically insulating materials as materials with low electrical conductivity for isolating electrically conductive parts at different potentials, and includes five broad categories of insulating varnish, impregnated fibres, laminates, mica and extruded plastics
However, the existing polyester enameled wire has the disadvantages of poor mechanical strength, low heat resistance, poor flexibility and adhesion in production of large-sized wires, and adverse effect on improving the practicability of the enameled wire, and the common polyester enameled wire does not have a good conductive effect, so that the normal usability of the circuit is reduced, and the circuit is easy to break down, thereby causing the service life of the circuit to be low.
Disclosure of Invention
The invention aims to provide a high-breakdown-voltage mosaic modified polyester enameled wire insulating varnish and a preparation method thereof, and aims to solve the problems that the conventional polyester enameled wire in the background art has the defects of poor mechanical strength, low heat resistance, poor flexibility and adhesion in large-size wire production and inconvenience in improving the practicability of the enameled wire, and the common polyester enameled wire does not have a good conductive effect, reduces the normal use of a circuit and is easy to break down, so that the service life of the circuit is short.
In order to achieve the purpose, the invention provides the following technical scheme: a high breakdown voltage mosaic modified polyester enameled wire insulating paint and a preparation method thereof comprise the following raw materials in parts by weight: 9-13 parts of a seik modified polyesterimide resin, 6-7 parts of a solvent, 3-5 parts of styrene, 2-4 parts of a catalyst and 4-7 parts of an auxiliary agent. The preparation method of the high breakdown voltage mosaic modified polyester enameled wire insulating paint comprises the following steps:
the method comprises the following steps: firstly, respectively crushing and grinding graphite and magnetic powder by using a ball mill, wherein the grinding time is 30-50 min, the diameters of the graphite powder and the magnetic powder are ensured not to exceed 0.03-0.05mm, and the two powders are respectively stored under the normal-temperature sealing condition after the grinding is finished, so that the two powders are convenient to use;
step two: placing and heating the fixed-weight seik modified polyesterimide resin into a reaction kettle at the temperature of 130 ℃, adjusting the rotating speed inside the reaction kettle to 200-500r/min, adding a proper amount of solvent into the reaction kettle in the process of uniformly rotating the rotating fan blades, fully stirring for 20min, and then adjusting the temperature of the reaction kettle to 110 ℃;
step three: then adding the auxiliary agent into the reaction kettle, fully stirring for 1h, increasing the temperature in the reaction kettle to 160 ℃, controlling the temperature at the top end of the column to be kept between 80 ℃ and 105 ℃, simultaneously reducing the rotating speed in the reaction kettle to 60-80r/min, standing for 2-3h, separating out excessive moisture or aqueous solvent, discharging the moisture or aqueous solvent on the surface, and then normally closing a temperature regulation device in the reaction kettle to slowly cool the temperature;
step four: after the mixture is reduced to room temperature, a diluent and a catalyst can be placed in the reaction kettle, the rotating speed of the rotating fan blade is increased to 600-800r/min, all reaction products are mixed and fully stirred for about 3-5h, and thus, the preparation of the insulating paint is preliminarily completed;
step five: the primarily finished insulating paint needs to be placed in a bag type filter with the filtering precision of 0.06mm for filtering, the filtering needs to be repeated for 2-3 times, and the insulating paint needs to be sealed and filled into a light-tight packaging container after the filtering is finished.
Further, the preparation method of the mosaic modified polyester-imide resin comprises the following steps: uniformly placing 3-5 parts by mass of ethylene glycol, 6-8 parts by mass of tris (2-hydroxyethyl) isocyanurate (THETC) and 3-4 parts by mass of methylene diphenyl diamine (MDA) inside a reaction kettle preheated to 160 ℃, ensuring that the rotating speed inside the reaction kettle reaches 500r/min of 200-fold organic silicon, uniformly stirring the materials, pouring out the separated liquid, gradually reducing the temperature of the reaction kettle to room temperature, and pouring the mixed seek modified polyesterimide resin into a sealing device for later use.
Furthermore, ethylene glycol monomethyl ether and aromatic diamine are adopted in the solvent, and styrene is adopted as the diluent.
Furthermore, the auxiliary agent comprises 3-5 parts by mass of ethylene-vinyl acetate copolymer, 3-5 parts by mass of graphite powder, 4-6 parts by mass of magnetic powder, 2-3 parts by mass of lubricant and 1-3 parts by mass of salt lead composite stabilizer.
Further, the preparation method of the auxiliary agent comprises the following steps: placing the finely ground graphite powder and magnetic powder into a reaction kettle, adjusting the temperature of the reaction kettle to 80 ℃, then adding an ethylene-vinyl acetate copolymer into the mixture, adding a lubricant into the kettle after uniformly stirring, then stirring, finally adding a salt-lead composite stabilizer, filtering after fine stirring, and placing the finished product into a tank for storage after obtaining the finished product.
Compared with the prior art, the invention has the beneficial effects that: the high breakdown voltage mosaic modified polyester enameled wire insulating varnish and the preparation method thereof, wherein various raw materials including ethylene-vinyl acetate copolymer, graphite powder, magnetic powder and the like are added in an internal auxiliary agent, when the varnish is used, the ethylene-vinyl acetate copolymer can be used as an impact modifier, so that the bending strength of the enameled wire insulating varnish is improved, the good appearance can be well kept when the enameled wire insulating varnish is subjected to long-time sunlight and corrosion of organic matters, the normal transmission of data by internal copper wires is improved, the graphite powder and the magnetic powder can be matched with each other, the conductive flux and the heat resistance inside the enameled wire are improved, on one hand, the data transmission rate of a wire body is increased, on the other hand, the heat resistance of the enameled wire can also be improved, the external heat transmission is isolated, and then the salt lead composite stabilizer can also increase the heat stability of the wire body, the practicability of the insulating paint is further improved, the raw materials are low in price during preparation of the insulating paint, the service life of the enameled wire can be better prolonged, meanwhile, the preparation method of the insulating paint is simple, the manufacturing cost is reduced, and the application range after the insulating paint is produced is well enlarged.
Detailed Description
The present invention will be further described with reference to the following examples.
The first embodiment is as follows:
the invention discloses a high breakdown voltage mosaic modified polyester enameled wire insulating paint and a preparation method thereof, wherein the preparation method comprises the following steps:
the method comprises the following steps: firstly, respectively crushing and grinding graphite and magnetic powder by using a ball mill, wherein the grinding time is 30-50 min, the diameters of the graphite powder and the magnetic powder are ensured not to exceed 0.03-0.05mm, and the two powders are respectively stored under the normal-temperature sealing condition after the grinding is finished, so that the two powders are convenient to use;
step two: placing and heating the fixed-weight seik modified polyesterimide resin into a reaction kettle at the temperature of 130 ℃, adjusting the rotating speed inside the reaction kettle to 200-500r/min, adding a proper amount of solvent into the reaction kettle in the process of uniformly rotating the rotating fan blades, fully stirring for 20min, and then adjusting the temperature of the reaction kettle to 110 ℃;
step three: then adding the auxiliary agent into the reaction kettle, fully stirring for 1h, increasing the temperature in the reaction kettle to 160 ℃, controlling the temperature at the top end of the column to be kept between 80 ℃ and 105 ℃, simultaneously reducing the rotating speed in the reaction kettle to 60-80r/min, standing for 2-3h, separating out excessive moisture or aqueous solvent, discharging the moisture or aqueous solvent on the surface, and then normally closing a temperature regulation device in the reaction kettle to slowly cool the temperature;
step four: after the mixture is reduced to room temperature, a diluent and a catalyst can be placed in the reaction kettle, the rotating speed of the rotating fan blade is increased to 600-800r/min, all reaction products are mixed and fully stirred for about 3-5h, and thus, the preparation of the insulating paint is preliminarily completed;
step five: the primarily finished insulating paint needs to be placed in a bag type filter with the filtering precision of 0.06mm for filtering, the filtering needs to be repeated for 2-3 times, and the insulating paint needs to be sealed and filled into a light-tight packaging container after the filtering is finished.
Example two:
the invention discloses a high breakdown voltage mosaic modified polyester enameled wire insulating paint and a preparation method thereof, wherein the preparation method comprises the following steps:
the method comprises the following steps: firstly, respectively crushing and grinding graphite and magnetic powder by using a ball mill, wherein the grinding time is 30-50 min, the diameters of the graphite powder and the magnetic powder are ensured not to exceed 0.05-0.07mm, and the two powders are respectively stored under the normal-temperature sealing condition after the grinding is finished, so that the two powders are convenient to use;
step two: placing and heating the fixed-weight seik modified polyesterimide resin into a reaction kettle at the temperature of 130 ℃, adjusting the rotating speed inside the reaction kettle to 300-600r/min, adding a proper amount of solvent into the reaction kettle in the process of uniformly rotating the rotating fan blades, fully stirring for 30min, and then adjusting the temperature of the reaction kettle to 100 ℃;
step three: then putting the auxiliary agent into the reaction kettle, fully stirring for 2 hours, increasing the temperature in the reaction kettle to 170 ℃, controlling the temperature at the top end of the column to be kept between 80 ℃ and 105 ℃, simultaneously reducing the rotating speed in the reaction kettle to 70-90r/min, standing for 2-3 hours, separating out excessive moisture or aqueous solvent, discharging the moisture or aqueous solvent on the surface, and then normally closing a temperature regulation device in the reaction kettle to slowly cool the temperature;
step four: after the mixture is reduced to room temperature, a diluent and a catalyst can be placed in the reaction kettle, the rotating speed of the rotating fan blades is increased to 800-1000r/min, all reaction products are mixed and fully stirred for about 3-5h, and thus, the preparation of the insulating paint is preliminarily completed;
step five: the primarily finished insulating paint needs to be placed in a bag type filter with the filtering precision of 0.08mm for filtering, the filtering needs to be repeated for 2-3 times, and the insulating paint needs to be sealed and filled into a light-tight packaging container after the filtering is finished.
Example three:
the invention discloses a high breakdown voltage mosaic modified polyester enameled wire insulating paint and a preparation method thereof, wherein the preparation method comprises the following steps:
the method comprises the following steps: firstly, respectively crushing and grinding graphite and magnetic powder by using a ball mill, wherein the grinding time is 30-50 min, the diameters of the graphite powder and the magnetic powder are ensured not to exceed 0.07-0.09mm, and the two powders are respectively stored under the normal-temperature sealing condition after the grinding is finished, so that the two powders are convenient to use;
step two: placing and heating the fixed-weight seik modified polyesterimide resin into a reaction kettle at the temperature of 130 ℃, adjusting the rotating speed inside the reaction kettle to 400-700r/min, adding a proper amount of solvent into the reaction kettle in the process of uniformly rotating the rotating fan blades, fully stirring for 40min, and then adjusting the temperature of the reaction kettle to 90 ℃;
step three: then putting the auxiliary agent into the reaction kettle, fully stirring for 3 hours, increasing the temperature in the reaction kettle to 180 ℃, controlling the temperature at the top end of the column to be kept between 80 ℃ and 105 ℃, simultaneously reducing the rotating speed in the reaction kettle to 80-100r/min, standing for 2-3 hours, separating out excessive moisture or aqueous solvent, discharging the moisture or aqueous solvent on the surface, and then normally closing a temperature regulation device in the reaction kettle to slowly cool the temperature;
step four: after the mixture is reduced to room temperature, a diluent and a catalyst can be placed in the reaction kettle, the rotating speed of the rotating fan blades is increased to 1000-1200r/min, all reaction products are mixed and fully stirred for about 3-5h, and thus, the preparation of the insulating paint is preliminarily completed;
step five: the primarily finished insulating paint needs to be placed in a bag type filter with the filtering precision of 0.1mm for filtering, the filtering needs to be repeated for 2-3 times, and the insulating paint needs to be sealed and filled into a light-tight packaging container after the filtering is finished.
The invention relates to a high breakdown voltage mosaic modified polyester enameled wire insulating varnish and a preparation method thereof, wherein a plurality of raw materials including ethylene-vinyl acetate copolymer, graphite powder, magnetic powder and the like are added in an internal auxiliary agent, when the insulating varnish is used, the ethylene-vinyl acetate copolymer can be used as an impact modifier, so that the bending strength of the enameled wire insulating varnish is improved, the enameled wire insulating varnish can better keep good appearance when being subjected to long-time sun exposure and corrosion of organic matters, the normal transmission of data by internal copper wires is improved, the two raw materials of the graphite powder and the magnetic powder can be matched with each other, the electric conduction magnetism and the heat resistance inside the insulating varnish are improved, on one hand, the data transmission rate of a wire body is increased, on the other hand, the heat resistance of the enameled wire can be improved, the external heat transmission is isolated, and the heat stability of the wire body can be increased by a salt lead composite stabilizer, the practicability of the insulating paint is further improved, the raw materials are low in price during preparation of the insulating paint, the service life of the enameled wire can be better prolonged, meanwhile, the preparation method of the insulating paint is simple, the manufacturing cost is reduced, and the application range after the insulating paint is produced is well enlarged.
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 (5)
1. The high breakdown voltage mosaic modified polyester enameled wire insulating paint is characterized by comprising the following raw materials in parts by weight: 9-13 parts of a seik modified polyesterimide resin, 6-7 parts of a solvent, 3-5 parts of styrene, 2-4 parts of a catalyst and 4-7 parts of an auxiliary agent. The preparation method of the high breakdown voltage mosaic modified polyester enameled wire insulating paint comprises the following steps:
the method comprises the following steps: firstly, respectively crushing and grinding graphite and magnetic powder by using a ball mill, wherein the grinding time is 30-50 min, the diameters of the graphite powder and the magnetic powder are ensured not to exceed 0.03-0.05mm, and the two powders are respectively stored under the normal-temperature sealing condition after the grinding is finished, so that the two powders are convenient to use;
step two: placing and heating the fixed-weight seik modified polyesterimide resin into a reaction kettle at the temperature of 130 ℃, adjusting the rotating speed inside the reaction kettle to 200-500r/min, adding a proper amount of solvent into the reaction kettle in the process of uniformly rotating the rotating fan blades, fully stirring for 20min, and then adjusting the temperature of the reaction kettle to 110 ℃;
step three: then adding the auxiliary agent into the reaction kettle, fully stirring for 1h, increasing the temperature in the reaction kettle to 160 ℃, controlling the temperature at the top end of the column to be kept between 80 ℃ and 105 ℃, simultaneously reducing the rotating speed in the reaction kettle to 60-80r/min, standing for 2-3h, separating out excessive moisture or aqueous solvent, discharging the moisture or aqueous solvent on the surface, and then normally closing a temperature regulation device in the reaction kettle to slowly cool the temperature;
step four: after the mixture is reduced to room temperature, a diluent and a catalyst can be placed in the reaction kettle, the rotating speed of the rotating fan blade is increased to 600-800r/min, all reaction products are mixed and fully stirred for about 3-5h, and thus, the preparation of the insulating paint is preliminarily completed;
step five: the primarily finished insulating paint needs to be placed in a bag type filter with the filtering precision of 0.06mm for filtering, the filtering needs to be repeated for 2-3 times, and the insulating paint needs to be sealed and filled into a light-tight packaging container after the filtering is finished.
2. The high breakdown voltage mosaic modified polyester enameled wire insulating paint and the preparation method thereof as claimed in claim 1, wherein the preparation method of the mosaic modified polyester imide resin is as follows: uniformly placing 3-5 parts by mass of ethylene glycol, 6-8 parts by mass of tris (2-hydroxyethyl) isocyanurate (THETC) and 3-4 parts by mass of methylene diphenyl diamine (MDA) inside a reaction kettle preheated to 160 ℃, ensuring that the rotating speed inside the reaction kettle reaches 500r/min of 200-fold organic silicon, uniformly stirring the materials, pouring out the separated liquid, gradually reducing the temperature of the reaction kettle to room temperature, and pouring the mixed seek modified polyesterimide resin into a sealing device for later use.
3. The high breakdown voltage mosaic modified polyester enameled wire insulating paint and the preparation method thereof as claimed in claim 1, wherein the high breakdown voltage mosaic modified polyester enameled wire insulating paint is characterized in that: the solvent comprises ethylene glycol monomethyl ether and aromatic diamine, and the diluent is styrene.
4. The high breakdown voltage mosaic modified polyester enameled wire insulating paint and the preparation method thereof as claimed in claim 1, wherein the high breakdown voltage mosaic modified polyester enameled wire insulating paint is characterized in that: the auxiliary agent comprises 3-5 parts by mass of ethylene-vinyl acetate copolymer, 3-5 parts by mass of graphite powder, 4-6 parts by mass of magnetic powder, 2-3 parts by mass of lubricant and 1-3 parts by mass of salt lead composite stabilizer.
5. The high breakdown voltage mosaic modified polyester enameled wire insulating paint and the preparation method thereof as claimed in claim 1, wherein the high breakdown voltage mosaic modified polyester enameled wire insulating paint is characterized in that: the preparation method of the auxiliary agent comprises the following steps: placing the finely ground graphite powder and magnetic powder into a reaction kettle, adjusting the temperature of the reaction kettle to 80 ℃, then adding an ethylene-vinyl acetate copolymer into the mixture, adding a lubricant into the kettle after uniformly stirring, then stirring, finally adding a salt-lead composite stabilizer, filtering after fine stirring, and placing the finished product into a tank for storage after obtaining the finished product.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010904864.1A CN111978767A (en) | 2020-09-01 | 2020-09-01 | High-breakdown-voltage mosaic modified polyester enameled wire insulating paint and preparation method thereof |
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| CN202010904864.1A CN111978767A (en) | 2020-09-01 | 2020-09-01 | High-breakdown-voltage mosaic modified polyester enameled wire insulating paint and preparation method thereof |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10168388A (en) * | 1996-12-11 | 1998-06-23 | Inst Chem Przemyslowej Im Prof Igunasego Mos | Production of polyesterimide varnish |
| JP2007095639A (en) * | 2005-09-30 | 2007-04-12 | Hitachi Chem Co Ltd | Electrically insulating resin composition and enameled wire |
| CN104130699A (en) * | 2014-07-18 | 2014-11-05 | 上海晟然绝缘材料有限公司 | High adhesion and solvent resistant insulating paint for polyester imide enameled wire and preparation method thereof |
| CN108641455A (en) * | 2018-05-15 | 2018-10-12 | 谭亚 | A kind of preparation method of heat-conducting type high temperature resisting dipping paint |
| CN109251657A (en) * | 2018-08-20 | 2019-01-22 | 安徽晟然绝缘材料有限公司 | A kind of high softening breakdown match gram modified poly ester imide wire coating enamel and preparation method thereof |
| CN110256954A (en) * | 2019-07-01 | 2019-09-20 | 南通百川新材料有限公司 | A kind of modified poly ester imide wire coating enamel and preparation method thereof |
-
2020
- 2020-09-01 CN CN202010904864.1A patent/CN111978767A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10168388A (en) * | 1996-12-11 | 1998-06-23 | Inst Chem Przemyslowej Im Prof Igunasego Mos | Production of polyesterimide varnish |
| JP2007095639A (en) * | 2005-09-30 | 2007-04-12 | Hitachi Chem Co Ltd | Electrically insulating resin composition and enameled wire |
| CN104130699A (en) * | 2014-07-18 | 2014-11-05 | 上海晟然绝缘材料有限公司 | High adhesion and solvent resistant insulating paint for polyester imide enameled wire and preparation method thereof |
| CN108641455A (en) * | 2018-05-15 | 2018-10-12 | 谭亚 | A kind of preparation method of heat-conducting type high temperature resisting dipping paint |
| CN109251657A (en) * | 2018-08-20 | 2019-01-22 | 安徽晟然绝缘材料有限公司 | A kind of high softening breakdown match gram modified poly ester imide wire coating enamel and preparation method thereof |
| CN110256954A (en) * | 2019-07-01 | 2019-09-20 | 南通百川新材料有限公司 | A kind of modified poly ester imide wire coating enamel and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 丁志平等: "《精细化工概论》", 31 August 2005, 化学工业出版社 * |
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