CN107129743A - A kind of transformer heat-resisting anticorona varinish enamel and preparation method thereof - Google Patents
A kind of transformer heat-resisting anticorona varinish enamel and preparation method thereof Download PDFInfo
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- CN107129743A CN107129743A CN201710420486.8A CN201710420486A CN107129743A CN 107129743 A CN107129743 A CN 107129743A CN 201710420486 A CN201710420486 A CN 201710420486A CN 107129743 A CN107129743 A CN 107129743A
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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
- C09D163/04—Epoxynovolacs
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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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- 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
- H01B3/308—Wires with 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
- 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
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
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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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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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
- C08L2312/00—Crosslinking
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Abstract
The invention discloses a kind of transformer with heat-resisting anticorona varinish enamel, include the raw material of following parts by weight：35 45 parts of hybrid resin, 37 parts of crosslinking agent, 7 13 parts of 5 10 part, nanometer bauxite of auxiliary agent, 36 parts of nano silicon, 35 parts of levelling agent, 16 24 parts of solvent, 35 parts of nano-silicon nitride, 23 parts of silane coupler.The transformer of the present invention has preferable heat resistance with heat-resisting anticorona varinish enamel, its dielectric loss knee of curve temperature can reach more than 170 DEG C, it can be directly used for coating enamel-covered wire, solve that conventional wire enamel mixes, precipitated, to paint fluid viscosity not high and the problem of coat enamel-covered wire cumbersome, insulating properties and anti-wear performance have a distinct increment, while the raw material components of the present invention are safe and reliable, cost is relatively low, technique is concise, with higher practical value and good application prospect.
Description
Technical field
The present invention relates to transformer material technical field, and in particular to a kind of transformer with heat-resisting anticorona varinish enamel and
Its preparation method.
Background technology
With the fast development of society, dependence of the people to various electrical equipment and electricals in life is more and more stronger, to motor electricity
The development of device it is also proposed higher and higher requirement, wherein as the insulating materials in electrical equipment and electrical performance improve also by
More concerns.The mechanical strength of Winding in Power Transformer is for improving the resistance to shorting impact capacity of power transformer product extremely
Close important, and an important method for improving winding mechanical strength is exactly closely to be bonded in single line winding by self-adhesion paint
Together, a rigid entirety is formed.
It is that one kind can make in machine winding as the wire enamel of one of core component in electrical equipment and electrical insulating materials
The coating of good insulation layer is produced between wire and wire, it is mainly used in the bare copper wire, alloy wire and glass fiber of all kinds of line footpaths
Envelope curve outer layer, to improve and stablize the performance of enamel-covered wire.In various electrical equipment and electricals, to the performance of wire enamel, some are very high
It is required that, for example wire enamel will have higher mechanical strength, there is good compatibility between impregnating varnish, can meet compared with
High heat resistance, impact resistance and oil resistivity etc..It is stronger due to being usually connected with internal winding especially in high-power transformer
Electric current, and described environment is more severe, has higher requirement to the performance of the wire enamel of coated wire.It is general at present
The transposed conductor that logical self-adhesion paint is coated during long-term work, is used as the self-adhesion paint meeting of adhesive between transposed conductor stock more than 100 DEG C
Soften, cause winding mechanical strength to decline；More than 120 DEG C during long-term work, self-adhesion paint can soften completely, winding machinery
Intensity is nearly identical to non-self-adhering transposed conductor.Said temperature condition is do exist among power transformer actual motion, because
This requires that self-adhesion paint and its transposed conductor coated must improve temperature capacity.Using heat-resisting in the production process of transposed conductor
Self-adhesion paint, can effectively improve the flexural rigidity of transposed conductor under the high temperature conditions, and then improve Transformer Winding in regulation high temperature
Under mechanical strength.Enamel-covered wire has good insulation effect and waterproof ability.It is such as electronic using very extensively in terms of electrical equipment
Machine, generator, water pump, electromagnet, electric welding machine, household electrical appliance, wireless telecommunications, loudspeaker, telegraph, transformer etc..Enamel-covered wire
Paint be produce enamel-covered wire necessary insulating materials, wire enamel requirement with good tack, mechanical strength, insulating properties,
Heat resistance, anti-wear performance, salt spray resistance and adverse environment resistant performance etc., but common wire enamel there is heat resistance, it is wear-resisting
Property poor, insufficient strength, resistance to thermal level be less than 120 DEG C the problems such as, it is difficult to meet the requirement of varying environment.Need to match somebody with somebody wire enamel
Side is improved with production technology, is further improved the performance of enamel-cover paint, is reduced its production cost.
The content of the invention
For the defect of prior art, it is an object of the invention to provide a kind of transformer with heat-resisting anticorona varinish enamel,
The transformer has preferable heat resistance with heat-resisting anticorona varinish enamel, and its dielectric loss knee of curve temperature can reach
More than 170 DEG C, can be directly used for coating enamel-covered wire, solve conventional wire enamel mix, precipitate, paint fluid viscosity it is not high and
The problem of coating enamel-covered wire cumbersome, insulating properties and anti-wear performance have a distinct increment, while the raw material components of the present invention
Safe and reliable, cost is relatively low, and technique is concise, with higher practical value and good application prospect.
The present invention solves technical problem and adopted the following technical scheme that：
The invention provides a kind of transformer with heat-resisting anticorona varinish enamel, include the raw material of following parts by weight：
35-45 parts of hybrid resin, 3-7 parts of crosslinking agent, 5-10 parts of auxiliary agent, 7-13 parts of nanometer bauxite, nano silicon 3-6
Part, 3-5 parts of levelling agent, 16-24 parts of solvent, 3-5 parts of nano-silicon nitride, 2-3 parts of silane coupler.
Preferably, the hybrid resin is polyvinyl acetal resin, novolac epoxy resin, organic siliconresin according to weight
Than 2:3:The mixture of 1 composition.
Preferably, the crosslinking agent is that trimethylolpropane, m-xylene diamine and tetra-n-butyl titanate are 1 by weight:
2:The mixture of 1.5 compositions.
Preferably, the nano mica powder, triethanolamine, coix seed oil compare 2 according to weight:1:The mixture of 1 composition.
Preferably, the levelling agent is that acrylic resin and dimethyl silicone polymer are 1 by weight:The mixing of 2 compositions
Thing.
Preferably, the solvent is that styrene, trichloro ethylene and ethylene glycol ether are 2 by weight:1:1 composition it is mixed
Compound.
The present invention also provides a kind of preparation method of transformer with heat-resisting anticorona varinish enamel, comprises the following steps：
Step one, weigh on request and prepare each component raw material；
Step 2, mixes send nanometer bauxite, nano silicon, nano-silicon nitride, silane coupler into homogenizer
In, stir 20-30 minutes, speed of agitator 200-300r/min obtains mixture A；
Step 3, will be uniformly mixed in hybrid resin, crosslinking agent, reactor of the levelling agent input with agitator, heats
To 65-75 DEG C, stirring reaction 2-4 hours, then be added in reacted material after auxiliary agent is well mixed with solvent, it is incubated 1-
2 hours, the mixture A of step 2 preparation is added, 105-115 DEG C is warming up to, continues stirring reaction 2-3 hours, natural cooling
The transformer of invention is made with heat-resisting anticorona varinish enamel.
Preferably, the transformer is with the preparation process of heat-resisting anticorona varinish enamel：
Step one, weigh on request and prepare each component raw material；
Step 2, mixes send nanometer bauxite, nano silicon, nano-silicon nitride, silane coupler into homogenizer
In, stir 25 minutes, speed of agitator 250r/min obtains mixture A；
Step 3, will be uniformly mixed in hybrid resin, crosslinking agent, reactor of the levelling agent input with agitator, heats
To 70 DEG C, stirring reaction 3 hours, then be added in reacted material after auxiliary agent is well mixed with solvent, during insulation 1.5,
The mixture A of step 2 preparation is added, 110 DEG C are warming up to, continues stirring reaction 2.5 hours, invention is made in natural cooling
Transformer is with heat-resisting anticorona varinish enamel.
Compared with prior art, the present invention has following beneficial effect：
（1）A kind of crosslinking agent that is added with heat-resisting anticorona varinish enamel of transformer of the present invention be mainly trimethylolpropane,
The mixture of m-xylene diamine and tetra-n-butyl titanate, a few person's synergies greatly strengthen intermolecular crosslinked action, and
Hydrophilic radical crosslinks effect in solidification so that the surface of transformer enamel-covered wire can be far below the surface energy of water, from
And with good hydrophobicity and moisture resistance.
（2）Nano silicon and nano silicon nitride that a kind of transformer of the present invention is added with heat-resisting anticorona varinish enamel
Silicon, is on the one hand capable of the insulating properties of reinforcement material, on the other hand can improve the anti-wear performance of wire enamel.
（3）A kind of transformer of the present invention employs polyvinyl acetal resin, phenolic aldehyde with heat-resisting anticorona varinish enamel
The resin of a few person's mixing of epoxy resin, organic siliconresin, can effectively improve the heat resistance and adhesive property of material so that paint
Enamel still maintains higher adhesion strength at high temperature.
（4）A kind of transformer of the present invention has significant hydrophobicity and moisture resistance with heat-resisting anticorona varinish enamel, makes
Get a promotion, improved using electrical equipments such as the transformers of the wire enamel for the mechanics and electric property of the enamel-covered wire gone out
Safety and reliability.
（5）A kind of transformer of the present invention has preferable heat resistance with heat-resisting anticorona varinish, its dielectric loss curve
Inflection temperature can reach more than 170 DEG C, can be directly used for coating enamel-covered wire, solve conventional wire enamel mix, precipitate,
The problem of paint fluid viscosity is not high and coats enamel-covered wire cumbersome, insulating properties and anti-wear performance have a distinct increment, simultaneously
Raw material components of the invention are safe and reliable, cost is relatively low, and technique is concise, before higher practical value and good application
Scape.
Embodiment
With reference to specific embodiment, the technical scheme in the embodiment of the present invention is clearly and completely described, shown
So, described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based on the reality in the present invention
Example is applied, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made all belongs to
In the scope of protection of the invention.
Embodiment 1.
A kind of transformer of the present embodiment includes the raw material of following parts by weight with heat-resisting anticorona varinish enamel：
It is 35 parts of hybrid resin, 3 parts of crosslinking agent, 7 parts of 5 part, nanometer bauxite of auxiliary agent, 3 parts of nano silicon, 3 parts of levelling agent, molten
16 parts of agent, 3 parts of nano-silicon nitride, 2 parts of silane coupler.
Hybrid resin in the present embodiment is polyvinyl acetal resin, novolac epoxy resin, organic siliconresin are according to weight
Amount compares 2:3:The mixture of 1 composition.
Crosslinking agent in the present embodiment is that trimethylolpropane, m-xylene diamine and tetra-n-butyl titanate are 1 by weight:
2:The mixture of 1.5 compositions.
Nano mica powder, triethanolamine, coix seed oil in the present embodiment compare 2 according to weight:1:The mixture of 1 composition.
Levelling agent in the present embodiment is that acrylic resin and dimethyl silicone polymer are 1 by weight:The mixing of 2 compositions
Thing.
Solvent in the present embodiment is that styrene, trichloro ethylene and ethylene glycol ether are 2 by weight:1:1 composition
Mixture.
A kind of transformer of the present embodiment preparation method of heat-resisting anticorona varinish enamel, comprises the following steps：
Step one, weigh on request and prepare each component raw material；
Step 2, mixes send nanometer bauxite, nano silicon, nano-silicon nitride, silane coupler into homogenizer
In, stir 20 minutes, speed of agitator 200r/min obtains mixture A；
Step 3, will be uniformly mixed in hybrid resin, crosslinking agent, reactor of the levelling agent input with agitator, heats
To 65 DEG C, stirring reaction 2 hours, then be added in reacted material after auxiliary agent is well mixed with solvent, 1 hour is incubated,
The mixture A of step 2 preparation is added, 105 DEG C are warming up to, continues stirring reaction 2 hours, the change of invention is made in natural cooling
Depressor is with heat-resisting anticorona varinish enamel.
Embodiment 2.
A kind of transformer of the present embodiment includes the raw material of following parts by weight with heat-resisting anticorona varinish enamel：
45 parts of hybrid resin, 7 parts of crosslinking agent, 13 parts of 10 part, nanometer bauxite of auxiliary agent, 6 parts of nano silicon, 5 parts of levelling agent,
24 parts of solvent, 5 parts of nano-silicon nitride, 3 parts of silane coupler.
Hybrid resin in the present embodiment is polyvinyl acetal resin, novolac epoxy resin, organic siliconresin are according to weight
Amount compares 2:3:The mixture of 1 composition.
Crosslinking agent in the present embodiment is that trimethylolpropane, m-xylene diamine and tetra-n-butyl titanate are 1 by weight:
2:The mixture of 1.5 compositions.
Nano mica powder, triethanolamine, coix seed oil in the present embodiment compare 2 according to weight:1:The mixture of 1 composition.
Levelling agent in the present embodiment is that acrylic resin and dimethyl silicone polymer are 1 by weight:The mixing of 2 compositions
Thing.
Solvent in the present embodiment is that styrene, trichloro ethylene and ethylene glycol ether are 2 by weight:1:1 composition
Mixture.
A kind of transformer of the present embodiment preparation method of heat-resisting anticorona varinish enamel, comprises the following steps：
Step one, weigh on request and prepare each component raw material；
Step 2, mixes send nanometer bauxite, nano silicon, nano-silicon nitride, silane coupler into homogenizer
In, stir 30 minutes, speed of agitator 300r/min obtains mixture A；
Step 3, will be uniformly mixed in hybrid resin, crosslinking agent, reactor of the levelling agent input with agitator, heats
To 75 DEG C, stirring reaction 4 hours, then be added in reacted material after auxiliary agent is well mixed with solvent, 2 hours are incubated,
The mixture A of step 2 preparation is added, 115 DEG C are warming up to, continues stirring reaction 3 hours, the change of invention is made in natural cooling
Depressor is with heat-resisting anticorona varinish enamel.
Embodiment 3.
A kind of transformer of the present embodiment includes the raw material of following parts by weight with heat-resisting anticorona varinish enamel：
30 parts of hybrid resin, 5 parts of crosslinking agent, 10 parts of 7 part, nanometer bauxite of auxiliary agent, 4.5 parts of nano silicon, levelling agent 4
Part, 20 parts of solvent, 4 parts of nano-silicon nitride, 2.5 parts of silane coupler.
Hybrid resin in the present embodiment is polyvinyl acetal resin, novolac epoxy resin, organic siliconresin are according to weight
Amount compares 2:3:The mixture of 1 composition.
Crosslinking agent in the present embodiment is that trimethylolpropane, m-xylene diamine and tetra-n-butyl titanate are 1 by weight:
2:The mixture of 1.5 compositions.
Nano mica powder, triethanolamine, coix seed oil in the present embodiment compare 2 according to weight:1:The mixture of 1 composition.
Levelling agent in the present embodiment is that acrylic resin and dimethyl silicone polymer are 1 by weight:The mixing of 2 compositions
Thing.
Solvent in the present embodiment is that styrene, trichloro ethylene and ethylene glycol ether are 2 by weight:1:1 composition
Mixture.
A kind of transformer of the present embodiment preparation method of heat-resisting anticorona varinish enamel, comprises the following steps：
Step one, weigh on request and prepare each component raw material；
Step 2, mixes send nanometer bauxite, nano silicon, nano-silicon nitride, silane coupler into homogenizer
In, stir 25 minutes, speed of agitator 250r/min obtains mixture A；
Step 3, will be uniformly mixed in hybrid resin, crosslinking agent, reactor of the levelling agent input with agitator, heats
To 70 DEG C, stirring reaction 3 hours, then be added in reacted material after auxiliary agent is well mixed with solvent, during insulation 1.5,
The mixture A of step 2 preparation is added, 110 DEG C are warming up to, continues stirring reaction 2.5 hours, invention is made in natural cooling
Transformer is with heat-resisting anticorona varinish enamel.
Transformer prepared by various embodiments above is as follows with the performance test results of heat-resisting anticorona varinish enamel：
| Inflection temperature DEG C | 105 DEG C of oil resistant time h | Adhesion strength N/mm2 | Water absorption rate | |
| Embodiment 1 | 172 | 4500 | 17 | 1.02% |
| Embodiment 2 | 172 | 4400 | 15 | 1.14% |
| Embodiment 3 | 174 | 4200 | 16 | 1.28% |
| Comparative example | 150 | 2400 | 14 | 1.65% |
A kind of transformer of the present invention has preferable heat resistance with heat-resisting anticorona varinish, its dielectric loss knee of curve temperature
More than 170 DEG C can be reached, can be directly used for coating enamel-covered wire, conventional wire enamel is solved and mixes, precipitates, paints fluid viscosity
Not high and the problem of coat enamel-covered wire cumbersome, insulating properties and anti-wear performance have a distinct increment, while the present invention
Raw material components are safe and reliable, cost is relatively low, and technique is concise, with higher practical value and good application prospect
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, and do not carrying on the back
In the case of spirit or essential attributes from the present invention, the present invention can be realized in other specific forms.Therefore, no matter from which
From the point of view of a bit, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention will by appended right
Ask rather than described above is limited, it is intended that all changes in the implication and scope of the equivalency of claim will be fallen
Include in the present invention.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It may be appreciated other embodiment.
Claims (9)
1. a kind of transformer is with heat-resisting anticorona varinish enamel, it is characterised in that include the raw material of following parts by weight：
35-45 parts of hybrid resin, 3-7 parts of crosslinking agent, 5-10 parts of auxiliary agent, 7-13 parts of nanometer bauxite, nano silicon 3-6
Part, 3-5 parts of levelling agent, 16-24 parts of solvent, 3-5 parts of nano-silicon nitride, 2-3 parts of silane coupler.
2. a kind of transformer according to claim 1 is with heat-resisting anticorona varinish enamel, it is characterised in that the transformer
Include the raw material of following parts by weight with heat-resisting anticorona varinish enamel：
30 parts of hybrid resin, 5 parts of crosslinking agent, 10 parts of 7 part, nanometer bauxite of auxiliary agent, 4.5 parts of nano silicon, levelling agent 4
Part, 20 parts of solvent, 4 parts of nano-silicon nitride, 2.5 parts of silane coupler.
3. a kind of transformer according to claim 1 or 2 is with heat-resisting anticorona varinish enamel, it is characterised in that described mixed
Resin is polyvinyl acetal resin, novolac epoxy resin, organic siliconresin compare 2 according to weight:3:The mixture of 1 composition.
4. a kind of transformer according to claim 1 or 2 is with heat-resisting anticorona varinish enamel, it is characterised in that the friendship
It is that trimethylolpropane, m-xylene diamine and tetra-n-butyl titanate are 1 by weight to join agent:2:The mixture of 1.5 compositions.
5. a kind of transformer according to claim 1 or 2 is with heat-resisting anticorona varinish enamel, it is characterised in that described to receive
Rice mica powder, triethanolamine, coix seed oil compare 2 according to weight:1:The mixture of 1 composition.
6. a kind of transformer according to claim 1 or 2 is with heat-resisting anticorona varinish enamel, it is characterised in that the stream
Flat agent is that acrylic resin and dimethyl silicone polymer are 1 by weight:The mixture of 2 compositions.
7. a kind of transformer according to claim 1 or 2 is with heat-resisting anticorona varinish enamel, it is characterised in that described molten
Agent is that styrene, trichloro ethylene and ethylene glycol ether are 2 by weight:1:The mixture of 1 composition.
8. a kind of method for preparing transformer as claimed in claim 1 or 2 with heat-resisting anticorona varinish enamel, its feature exists
In comprising the following steps：
Step one, weigh on request and prepare each component raw material；
Step 2, mixes send nanometer bauxite, nano silicon, nano-silicon nitride, silane coupler into homogenizer
In, stir 20-30 minutes, speed of agitator 200-300r/min obtains mixture A；
Step 3, will be uniformly mixed in hybrid resin, crosslinking agent, reactor of the levelling agent input with agitator, heats
To 65-75 DEG C, stirring reaction 2-4 hours, then be added in reacted material after auxiliary agent is well mixed with solvent, it is incubated 1-
2 hours, the mixture A of step 2 preparation is added, 105-115 DEG C is warming up to, continues stirring reaction 2-3 hours, natural cooling
The transformer of invention is made with heat-resisting anticorona varinish enamel.
9. a kind of transformer according to claim 8 preparation method of heat-resisting anticorona varinish enamel, it is characterised in that
The step is：
Step one, weigh on request and prepare each component raw material；
Step 2, mixes send nanometer bauxite, nano silicon, nano-silicon nitride, silane coupler into homogenizer
In, stir 25 minutes, speed of agitator 250r/min obtains mixture A；
Step 3, will be uniformly mixed in hybrid resin, crosslinking agent, reactor of the levelling agent input with agitator, heats
To 70 DEG C, stirring reaction 3 hours, then be added in reacted material after auxiliary agent is well mixed with solvent, during insulation 1.5,
The mixture A of step 2 preparation is added, 110 DEG C are warming up to, continues stirring reaction 2.5 hours, invention is made in natural cooling
Transformer is with heat-resisting anticorona varinish enamel.
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| CN201710420486.8A CN107129743A (en) | 2017-06-07 | 2017-06-07 | A kind of transformer heat-resisting anticorona varinish enamel and preparation method thereof |
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| CN201710420486.8A CN107129743A (en) | 2017-06-07 | 2017-06-07 | A kind of transformer heat-resisting anticorona varinish enamel and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108300167A (en) * | 2018-02-07 | 2018-07-20 | 合肥安力电力工程有限公司 | A kind of dry-type power transformer flame-retardant heat-dissipating wire enamel and preparation method thereof |
| CN108587290A (en) * | 2018-01-24 | 2018-09-28 | 合肥尚强电气科技有限公司 | Wire enamel with stable performance, weather resistance and high insulating property and preparation method thereof |
| CN108976991A (en) * | 2018-07-10 | 2018-12-11 | 丹阳市沃德立电工材料有限公司 | A kind of high resistant anticorona varnish and preparation method thereof applied to HV Electric Machine Coil |
| EP3456788A1 (en) * | 2017-09-15 | 2019-03-20 | Nano Shield Technology Co., Ltd. | Coating composition comprising nano-sol, and preparation method thereof |
| CN110564288A (en) * | 2019-09-05 | 2019-12-13 | 合肥盛宝电气有限公司 | Modified wire enamel for transformer |
| CN115537116A (en) * | 2022-09-29 | 2022-12-30 | 科城铜业(英德)有限公司 | Preparation method of anti-tensile oil-water-resistant outer paint layer of automotive enameled wire |
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| CN1546586A (en) * | 2003-12-12 | 2004-11-17 | 四川东方绝缘材料股份有限公司 | Preparation method of nanometer modified corona-tolerant enamel of enameled wire |
| CN101891994A (en) * | 2010-06-30 | 2010-11-24 | 溧阳市佳禾电子材料有限公司 | Preparation method of heat resistant acetal wire enamel |
| CN104592885A (en) * | 2015-02-05 | 2015-05-06 | 江苏亚威变压器有限公司 | Wire enamel for transformer |
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| EP3456788A1 (en) * | 2017-09-15 | 2019-03-20 | Nano Shield Technology Co., Ltd. | Coating composition comprising nano-sol, and preparation method thereof |
| JP2019052305A (en) * | 2017-09-15 | 2019-04-04 | ▲くい▼甲奈米科技股▲ふん▼有限公司 | Coating composition containing nanosol and method for producing the same |
| TWI668276B (en) * | 2017-09-15 | 2019-08-11 | 盔甲奈米科技股份有限公司 | Coating composition comprising nano-sol, and preparation method thereof |
| JP6995721B2 (en) | 2017-09-15 | 2022-01-17 | ▲くい▼甲奈米科技股▲ふん▼有限公司 | A coating composition containing nanosol and a method for producing the same. |
| CN108587290A (en) * | 2018-01-24 | 2018-09-28 | 合肥尚强电气科技有限公司 | Wire enamel with stable performance, weather resistance and high insulating property and preparation method thereof |
| CN108300167A (en) * | 2018-02-07 | 2018-07-20 | 合肥安力电力工程有限公司 | A kind of dry-type power transformer flame-retardant heat-dissipating wire enamel and preparation method thereof |
| CN108976991A (en) * | 2018-07-10 | 2018-12-11 | 丹阳市沃德立电工材料有限公司 | A kind of high resistant anticorona varnish and preparation method thereof applied to HV Electric Machine Coil |
| CN110564288A (en) * | 2019-09-05 | 2019-12-13 | 合肥盛宝电气有限公司 | Modified wire enamel for transformer |
| CN115537116A (en) * | 2022-09-29 | 2022-12-30 | 科城铜业(英德)有限公司 | Preparation method of anti-tensile oil-water-resistant outer paint layer of automotive enameled wire |
| CN115537116B (en) * | 2022-09-29 | 2023-08-22 | 科城铜业(英德)有限公司 | Preparation method of stretch-proof oil-water-resistant automotive enameled wire outer paint layer |
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Application publication date: 20170905 |