CN108546489A - A kind of transformer core insulated paint and preparation method thereof - Google Patents
A kind of transformer core insulated paint and preparation method thereof Download PDFInfo
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- CN108546489A CN108546489A CN201810204022.8A CN201810204022A CN108546489A CN 108546489 A CN108546489 A CN 108546489A CN 201810204022 A CN201810204022 A CN 201810204022A CN 108546489 A CN108546489 A CN 108546489A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
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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
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/38—Boron-containing compounds
- C08K2003/382—Boron-containing compounds and nitrogen
- C08K2003/385—Binary compounds of nitrogen with boron
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a kind of transformer core insulated paint, including epoxy resin, BN nanometers of grade high heat conduction particles, composite insulating varnish, resin and acetone soln with nucleophilic group, matrix of the epoxy resin as insulated paint, the composite insulating varnish is made of organic insulation paint and silicate silica heterozygote, and the weight ratio of the organic insulation paint and silicate silica heterozygote is 90 99：1 10, raw material is as follows by weight：15 20 parts of 30 40 parts, BN nanometers 13 18 parts of grade high heat conduction particles of epoxy resin, 20 30 parts of composite insulating varnish, 20 28 parts of the resin with nucleophilic group and acetone soln, BN nanometers of grade high heat conduction particles can improve the thermal conductivity of composite material, enhance the capacity of heat transmission of sample, that is, increases the resistance to breakdown characteristics of insulated paint；The thermal stability for effectively integrating and substantially increasing purpose product of organic insulation paint and silicate silica heterozygote.
Description
Technical field
The present invention relates to transformer core insulated paint technical field more particularly to a kind of transformer core insulated paint and
Preparation method.
Background technology
Transformer (Transformer) is the device for changing alternating voltage using the principle of electromagnetic induction, main member
It is primary coil, secondary coil and iron core (magnetic core).Major function has:Voltage transformation, impedance transformation, is isolated, is steady at current transformation
It presses (magnetic saturation transformer) etc..It can be divided into, according to use,:Power transformer and special transformer：Electric furnace change, rectification change, power frequency examination
Test transformer, pressure regulator, mining change, audio-frequency transformer, intermediate-frequency transformer, high frequency transformer, impact transformer, instrument transformation
Device, electronic transformer, reactor, mutual inductor etc..
Iron core is main magnetic circuit part in transformer.It is usually higher by silicon content, surface be coated with insulated paint hot rolling or
Cold-reduced silicon sheet closed assembly forms.Iron core and form complete EM induction system around coil on it.Power transformer transmits
The size of power depends on the material and cross-sectional area of iron core；Iron core surface insulation paint is indispensable in Modern appliances industry
A kind of material, good insulating protection effect can be played to electronic device, conductor etc..
Currently used insulated paint is mainly made of high-molecular organic material, though with excellent electrical insulation capability and add
Work characteristic, so but in some applied at elevated temperature occasions, such as the specific type of electric machine that works under hot environment, there is appearances for organic insulation paint
It easily decomposes, the defect of high temperature resistance difference.
Invention content
The purpose of the present invention is to solve disadvantages existing in the prior art, and a kind of transformer core proposed is with absolutely
Edge paint and preparation method thereof.
To achieve the goals above, present invention employs following technical solutions：
A kind of transformer core insulated paint, including epoxy resin, BN nanometers of grade high heat conduction particles, composite insulating varnish, tools
There are the resin and acetone soln of nucleophilic group, matrix of the epoxy resin as insulated paint, the composite insulating varnish is by organic
Insulated paint is formed with silicate-silica heterozygote, the weight of the organic insulation paint and silicate-silica heterozygote
Than for 90-99：1-10, raw material are as follows by weight：30-40 parts, BN nanometers 13-18 parts of grade high heat conduction particles of epoxy resin,
15-20 parts of 20-30 parts of composite insulating varnish, 20-28 parts of the resin with nucleophilic group and acetone soln.
Preferably, the silicate-silica heterozygote, which is the area load of silicate plate, silicon dioxide granule, institute
Wide length of a film, the piece for stating silicate plate are 1~20 μm, piece thickness≤1 μm, are that one or both of sericite, kaolin are mixed
Close object.
Preferably, the grain size of the silicon dioxide granule is 0.1~2 μm.
Preferably, the epoxy resin solution mass fraction 30%-99%.
Preferably, the nucleophilic group selected from OH, NHR, SH, C (O) NHR, carboxylate radical, CH- acidic-groups and carbon bear from
Son.
Preferably, the organic insulation paint is polyimide type insulated paint or unsaturated polyester type insulated paint or polyurethane
Type insulated paint.
A kind of preparation method of transformer core insulated paint, includes the following steps：
S1：Take a concentration of 40% acetone soln spare, by the BN nanometer grade high heat conductions that modified grain size is 200-250nm
Particle is added in acetone soln；The dosage of BN nanometers of grade high heat conduction particles is epoxy resin solution mass fraction 25-30%, so
Magnetic stirring apparatus is used 1-1.5 hours be sufficiently stirred afterwards；
S2：It takes 99% or more high-purity epoxy resin solution to be added in the magnetic stirring apparatus of step S1 to continue to stir
It mixes, is used in combination ultrasonic cleaner at a temperature of 65 DEG C -70 DEG C disperse within 2-2.5 hours to the mixed solution, is mixed
Object A is spare；
S3：Silicate-silica is put into 50 DEG C -60 DEG C of machine insulated paint solution, magnetic agitation is then used
Device be sufficiently stirred within 1-2 hours, until when temperature is down to 35 DEG C -40 DEG C, adds the resin of nucleophilic group, and continue to use magnetic
Power blender is stirred the mixed solution, and it is spare to obtain mixture B；
S4：Mixture A and mixture B, which is put at 40 DEG C -50 DEG C in blender, to stir evenly, and obtains mixture C, will mix
Close object C put into vacuum desiccator it is static with extract out the bubble in mixture C to get to be uniformly mixed and bubble-free insulation
Paint.
A kind of transformer core insulated paint provided by the invention and preparation method thereof, the more big this biography of mass fraction of BN
It is stronger to lead ability, under the same conditions, the heat that surface-discharge generates will not be accumulated at electric discharge, this just reduces material
Surface chemistry key disconnects and the process of surface carbonation, the time of surface breakdown can increase.BN nanometers of grade high heat conduction particles can carry
The thermal conductivity of high composite material, enhances the capacity of heat transmission of sample, that is, increases the resistance to breakdown characteristics of insulated paint；Insulated paint is led
Hot particle dispersion effect is good, bubble-free and is uniformly dispersed.The preparation method overcomes the disadvantage of heat conductive insulating paint capacity of heat transmission difference
End, by carrying out surface breakdown experiment after curing to its plastic film mulch, it was demonstrated that there is the insulated paint excellent thermal conductivity and resistance to surface to hit
Wear ability；The purpose product being made of organic insulation paint and silicate-silica heterozygote, it is excellent both to have remained organic insulation paint
Different electrical insulation capability and easy processing characteristic, but due to the synergistic effect of the high-insulativity of silicate-silica heterozygote and
The resistivity and proof voltage impact for making purpose product have obtained great enhancing, also because of organic insulation paint and silicate-dioxy
The thermal stability for effectively integrating and substantially increasing purpose product of SiClx heterozygote.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below in conjunction with specific embodiment, to this
Invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, not
For limiting the present invention.
Embodiment 1
A kind of transformer core insulated paint, including epoxy resin, BN nanometers of grade high heat conduction particles, composite insulating varnish, tools
There are the resin and acetone soln of nucleophilic group, matrix of the epoxy resin as insulated paint, the composite insulating varnish is by organic
Insulated paint is formed with silicate-silica heterozygote, the weight of the organic insulation paint and silicate-silica heterozygote
Than for 90-99：1-10, raw material are as follows by weight：30 parts, BN nanometers 13 parts of grade high heat conduction particles of epoxy resin, it is compound absolutely
15 parts of 20 parts of edge paint, 20 parts of the resin with nucleophilic group and acetone soln.
The silicate-silica heterozygote, which is the area load of silicate plate, silicon dioxide granule, the silicic acid
Wide length of a film, the piece of salt piece are 1~20 μm, piece thickness≤1 μm, are one or both of sericite, kaolin mixture；Institute
The grain size for stating silicon dioxide granule is 0.1~2 μm；The epoxy resin solution mass fraction 30%-99%；The nucleophilic group
Selected from OH, NHR, SH, C (O) NHR, carboxylate radical, CH- acidic-groups and carbanion；The organic insulation paint is polyimide type
Insulated paint or unsaturated polyester type insulated paint or polyurethane-type insulated paint.
A kind of preparation method of transformer core insulated paint, includes the following steps：
S1：It takes a concentration of 40% acetone soln spare, is 200 by modified grain size；The BN nanometer grade high heat conductions of nm
Grain is added in acetone soln；The dosage of BN nanometers of grade high heat conduction particles is epoxy resin solution mass fraction 25%, is then adopted
1 is carried out with magnetic stirring apparatus；Hour is sufficiently stirred；
S2：It takes 99% or more high-purity epoxy resin solution to be added in the magnetic stirring apparatus of step S1 to continue to stir
It mixes, is used in combination ultrasonic cleaner to the mixed solution at 65 DEG C；At a temperature of carry out 2；Hour dispersion, it is spare to obtain mixture A；
S3：Silicate-silica is put into 50 DEG C；Machine insulated paint solution in, then use magnetic stirring apparatus into
Row 1；Hour is sufficiently stirred, until temperature is down to 35 DEG C；When, the resin of nucleophilic group is added, and continue to use magnetic stirring apparatus
The mixed solution is stirred, it is spare to obtain mixture B；
S4：Mixture A and mixture B are at 40 DEG C；Under be put into blender and stir evenly, mixture C is obtained, by mixture
C put into vacuum desiccator it is static with extract out the bubble in mixture C to get to be uniformly mixed and bubble-free insulated paint.
Embodiment 2
A kind of transformer core insulated paint, including epoxy resin, BN nanometers of grade high heat conduction particles, composite insulating varnish, tools
There are the resin and acetone soln of nucleophilic group, matrix of the epoxy resin as insulated paint, the composite insulating varnish is by organic
Insulated paint is formed with silicate-silica heterozygote, the weight of the organic insulation paint and silicate-silica heterozygote
Than for 90-99：1-10, raw material are as follows by weight：35 parts, BN nanometers 15 parts of grade high heat conduction particles of epoxy resin, it is compound absolutely
18 parts of 28 parts of edge paint, 23 parts of the resin with nucleophilic group and acetone soln.
The silicate-silica heterozygote, which is the area load of silicate plate, silicon dioxide granule, the silicic acid
Wide length of a film, the piece of salt piece are 15 μm, piece thickness≤1 μm, are one or both of sericite, kaolin mixture；It is described
The grain size of silicon dioxide granule is 0.1~2 μm；The epoxy resin solution mass fraction 30%；The nucleophilic group be selected from OH,
NHR, SH, C (O) NHR, carboxylate radical, CH- acidic-groups and carbanion；The organic insulation paint is polyimide type insulated paint,
Or unsaturated polyester type insulated paint or polyurethane-type insulated paint.
A kind of preparation method of transformer core insulated paint, includes the following steps：
S1：Take a concentration of 40% acetone soln spare, by the BN nanometer grade high heat conduction particles that modified grain size is 250nm
It is added in acetone soln；The dosage of BN nanometers of grade high heat conduction particles is epoxy resin solution mass fraction 25%, is then used
Magnetic stirring apparatus 1.5 hours be sufficiently stirred；
S2：It takes 99% or more high-purity epoxy resin solution to be added in the magnetic stirring apparatus of step S1 to continue to stir
It mixes, is used in combination ultrasonic cleaner at a temperature of 70 DEG C disperse within 2.5 hours to the mixed solution, it is spare to obtain mixture A；
S3：Silicate-silica is put into 55 DEG C of machine insulated paint solution, then magnetic stirring apparatus is used to carry out
1 hour be sufficiently stirred, until when temperature is down to 40 DEG C, adds the resin of nucleophilic group, and continues with magnetic stirring apparatus to institute
It states mixed solution to be stirred, it is spare to obtain mixture B；
S4：Mixture A and mixture B, which is put at 45 DEG C in blender, to stir evenly, and mixture C is obtained, by mixture C
Put into in vacuum desiccator it is static with extract out the bubble in mixture C to get to be uniformly mixed and bubble-free insulated paint.
Embodiment 3
A kind of transformer core insulated paint, including epoxy resin, BN nanometers of grade high heat conduction particles, composite insulating varnish, tools
There are the resin and acetone soln of nucleophilic group, matrix of the epoxy resin as insulated paint, the composite insulating varnish is by organic
Insulated paint is formed with silicate-silica heterozygote, the weight of the organic insulation paint and silicate-silica heterozygote
Than for 90-99：1-10, raw material are as follows by weight：40 parts, BN nanometers 18 parts of grade high heat conduction particles of epoxy resin, it is compound absolutely
20 parts of 30 parts of edge paint, 28 parts of the resin with nucleophilic group and acetone soln.
The silicate-silica heterozygote, which is the area load of silicate plate, silicon dioxide granule, the silicic acid
Wide length of a film, the piece of salt piece are 20 μm, piece thickness≤1 μm, are one or both of sericite, kaolin mixture；It is described
The grain size of silicon dioxide granule is 1 μm；The epoxy resin solution mass fraction 50%；The nucleophilic group be selected from OH, NHR,
SH, C (O) NHR, carboxylate radical, CH- acidic-groups and carbanion；The organic insulation paint is polyimide type insulated paint, or not
Saturated polyester type insulated paint or polyurethane-type insulated paint.
A kind of preparation method of transformer core insulated paint, includes the following steps：
S1：Take a concentration of 40% acetone soln spare, by the BN nanometer grade high heat conduction particles that modified grain size is 250nm
It is added in acetone soln；The dosage of BN nanometers of grade high heat conduction particles is epoxy resin solution mass fraction 25%, is then used
Magnetic stirring apparatus 1.5 hours be sufficiently stirred；
S2：It takes 99% or more high-purity epoxy resin solution to be added in the magnetic stirring apparatus of step S1 to continue to stir
It mixes, is used in combination ultrasonic cleaner at a temperature of 65 DEG C disperse within 2 hours to the mixed solution, it is spare to obtain mixture A；
S3：Silicate-silica is put into 50 DEG C of machine insulated paint solution, then magnetic stirring apparatus is used to carry out
2 hours be sufficiently stirred, until when temperature is down to 35 DEG C, adds the resin of nucleophilic group, and continues with magnetic stirring apparatus to institute
It states mixed solution to be stirred, it is spare to obtain mixture B；
S4：Mixture A and mixture B, which is put at 40 DEG C in blender, to stir evenly, and mixture C is obtained, by mixture C
Put into in vacuum desiccator it is static with extract out the bubble in mixture C to get to be uniformly mixed and bubble-free insulated paint.
A kind of transformer core insulated paint provided by the invention and preparation method thereof, the more big this biography of mass fraction of BN
It is stronger to lead ability, under the same conditions, the heat that surface-discharge generates will not be accumulated at electric discharge, this just reduces material
Surface chemistry key disconnects and the process of surface carbonation, the time of surface breakdown can increase.BN nanometers of grade high heat conduction particles can carry
The thermal conductivity of high composite material, enhances the capacity of heat transmission of sample, that is, increases the resistance to breakdown characteristics of insulated paint；Insulated paint is led
Hot particle dispersion effect is good, bubble-free and is uniformly dispersed.The preparation method overcomes the disadvantage of heat conductive insulating paint capacity of heat transmission difference
End, by carrying out surface breakdown experiment after curing to its plastic film mulch, it was demonstrated that there is the insulated paint excellent thermal conductivity and resistance to surface to hit
Wear ability；The purpose product being made of organic insulation paint and silicate-silica heterozygote, it is excellent both to have remained organic insulation paint
Different electrical insulation capability and easy processing characteristic, but due to the synergistic effect of the high-insulativity of silicate-silica heterozygote and
The resistivity and proof voltage impact for making purpose product have obtained great enhancing, also because of organic insulation paint and silicate-dioxy
The thermal stability for effectively integrating and substantially increasing purpose product of SiClx heterozygote.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (7)
1. a kind of transformer core insulated paint, including epoxy resin, BN nanometers of grade high heat conduction particles, composite insulating varnish, have
The resin and acetone soln of nucleophilic group, matrix of the epoxy resin as insulated paint, the composite insulating varnish is by organic exhausted
Edge paint is formed with silicate-silica heterozygote, the weight ratio of the organic insulation paint and silicate-silica heterozygote
For 90-99：1-10, it is characterised in that：Its raw material is as follows by weight：30-40 parts, BN nanometers grade high heat conduction particles of epoxy resin
15-20 parts of 13-18 parts, 20-30 parts of composite insulating varnish, 20-28 parts of the resin with nucleophilic group and acetone soln.
2. a kind of transformer core insulated paint according to claim 1, it is characterised in that：Silicate-the titanium dioxide
Sila zoarium, which is the area load of silicate plate, silicon dioxide granule, and wide length of a film, the piece of the silicate plate are 1~20 μ
M, piece it is thick≤1 μm, be one or both of sericite, kaolin mixture.
3. a kind of transformer core insulated paint according to claim 2, it is characterised in that：The silicon dioxide granule
Grain size is 0.1~2 μm.
4. a kind of transformer core insulated paint according to claim 1, it is characterised in that：The epoxy resin solution matter
Measure score 30%-99%.
5. a kind of transformer core insulated paint according to claim 1, it is characterised in that：The nucleophilic group is selected from
OH, NHR, SH, C (O) NHR, carboxylate radical, CH- acidic-groups and carbanion.
6. a kind of transformer core insulated paint according to claim 1, it is characterised in that：The organic insulation paint is poly-
Imide-type insulated paint or unsaturated polyester type insulated paint or polyurethane-type insulated paint.
7. a kind of preparation method of transformer core insulated paint described in claim 1, it is characterised in that：Including walking as follows
Suddenly：
S1：Take a concentration of 40% acetone soln spare, by the BN nanometer grade high heat conduction particles that modified grain size is 200-250nm
It is added in acetone soln；The dosage of BN nanometers of grade high heat conduction particles is epoxy resin solution mass fraction 25-30%, is then adopted
With magnetic stirring apparatus 1-1.5 hours be sufficiently stirred；
S2：It takes 99% or more high-purity epoxy resin solution to be added in the magnetic stirring apparatus of step S1 to continue to be stirred,
It is used in combination ultrasonic cleaner at a temperature of 65 DEG C -70 DEG C disperse within 2-2.5 hours to the mixed solution, obtains mixture A
It is spare；
S3：Silicate-silica is put into 50 DEG C -60 DEG C of machine insulated paint solution, then use magnetic stirring apparatus into
Being sufficiently stirred for row 1-2 hours, until when temperature is down to 35 DEG C -40 DEG C, adds the resin of nucleophilic group, and continue to be stirred with magnetic force
It mixes device to be stirred the mixed solution, it is spare to obtain mixture B；
S4：Mixture A and mixture B, which is put at 40 DEG C -50 DEG C in blender, to stir evenly, and mixture C is obtained, by mixture
C put into vacuum desiccator it is static with extract out the bubble in mixture C to get to be uniformly mixed and bubble-free insulated paint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810204022.8A CN108546489A (en) | 2018-03-13 | 2018-03-13 | A kind of transformer core insulated paint and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810204022.8A CN108546489A (en) | 2018-03-13 | 2018-03-13 | A kind of transformer core insulated paint and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108546489A true CN108546489A (en) | 2018-09-18 |
Family
ID=63516131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810204022.8A Withdrawn CN108546489A (en) | 2018-03-13 | 2018-03-13 | A kind of transformer core insulated paint and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108546489A (en) |
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2018
- 2018-03-13 CN CN201810204022.8A patent/CN108546489A/en not_active Withdrawn
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Application publication date: 20180918 |
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