CN107689281A - A kind of new magnetic coating material and preparation method thereof - Google Patents
A kind of new magnetic coating material and preparation method thereof Download PDFInfo
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- CN107689281A CN107689281A CN201710592018.9A CN201710592018A CN107689281A CN 107689281 A CN107689281 A CN 107689281A CN 201710592018 A CN201710592018 A CN 201710592018A CN 107689281 A CN107689281 A CN 107689281A
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- magnetic
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
- H01F1/33—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials mixtures of metallic and non-metallic particles; metallic particles having oxide skin
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/0206—Manufacturing of magnetic cores by mechanical means
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- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Soft Magnetic Materials (AREA)
Abstract
The present invention discloses a kind of new magnetic coating material and preparation method thereof, and magnetic coating material includes non-magnetic insulating material and nano-magnetic dusty material, the quality of the non-magnetic insulating material:Quality=1 of nano-magnetic dusty material:（0.01‑0.95）.By the way that non-magnetic insulating material and nano-magnetic dusty material mixed number are obtained into magnetic coating material.The present invention can arbitrarily adjust its magnetic conductivity according to different Magnaglo characteristics and different ratio, with the coated new compound magnetic conductivity of core body composition and new frequency characteristic, have larger supplement to improve the magnetic properties of core body.On coating processes, existing coating and baking process can be used, does not increase cost.It in addition, core body can be fabricated separately into the coating material, can also be used as the magnetic core of air core coil, to the coil of identical inductances, the number of turns and copper cash usage amount can be reduced, it is cost-effective, and higher electrical parameter is obtained, there is multi-meaning.
Description
Technical field
The present invention relates to electrician, microelectronics and photoelectron new material and preparation and application art, one kind is referred in particular to
New magnetic coating material and preparation method thereof.
Background technology
Current magnetic core surface resistivity and bulk resistivity ratio are relatively low, are regarded as doing conductor in safety, so magnetic core surface is all
Insulation processing can be done.The conventional toroidal transformer of electronic circuit, poor electric mill sense (DMC)/common mode inductance (CMC) magnetic core surface insulation
Processing is usually using epoxy resin（epoxy）Or Parylene（Parylene）, it is therefore an objective to increase the surface insulation of magnetic core,
And wire rod is protected in winding process, avoid wire insulation from damaging.Insulating materials coated on magnet ring surface is single
One material, insulation buffer action is only done to the wire rod winding being wound in thereon.In addition, because insulator-coating and baking are handled
Afterwards, stress is formed to magnetic core surface, the initial permeability (μ i) of magnetic core will be influenceed, especially to high-conductive manganese-zinc ferrite magnetic
Core, its initial permeability can be reduced, so as to cause inductance to reduce, impedance reduces.
The content of the invention
In view of this, in view of the existing deficiencies of the prior art, its main purpose is to provide a kind of new magnetic to the present invention
Coating material and preparation method thereof, it can effectively solve the problems, such as that existing magnetic core coating material can reduce magnetic core permeability.
To achieve the above object, the present invention is using following technical scheme：
A kind of new magnetic coating material, includes non-magnetic insulating material and nano-magnetic dusty material, non magnetic insulation
Material and nano-magnetic dusty material are homogenously mixed together, the quality of the non-magnetic insulating material:Nano-magnetic dusty material
Quality=1:（0.01-0.95）.
As a kind of preferred scheme, the non-magnetic insulating material is epoxy resin or Parylene.
As a kind of preferred scheme, the nano-magnetic dusty material is manganese-zinc ferrite, nickel-zinc ferrite, ultracrystallite conjunction
One or more in gold and nanometer crystal alloy.
A kind of new magnetic coating material, it is characterised in that：Include following steps：
（1）Suitable magnetic material is selected, and milling processing is carried out to magnetic material, then powdered magnetic material is carried out
Screening, then carries out parameter testing, selects suitable nano-magnetic dusty material；
（2）Non-magnetic insulating material is selected, mixes simultaneously uniform stirring with nano-magnetic dusty material by predetermined ratio；
（3）By step（2）Resulting material is coated and toasted by predetermined thickness, is then tested dielectric strength and magnetic conductivity, is met rule
After provisioning request, by material coated in core body, then toasted, product inspection is carried out after the completion of baking.
The present invention has clear advantage and beneficial effect compared with prior art, specifically, by above-mentioned technical proposal
Understand：
By the way that non-magnetic insulating material and nano-magnetic dusty material mixed number are obtained into magnetic coating material, magnetic coating of the present invention
The Vdc/mm of insulated with material intensity >=3000, relative permeability μ i are 1.01-65.The present invention can be special according to different Magnaglos
Property and different ratio, its magnetic conductivity is arbitrarily adjusted, with the new compound magnetic conductivity of coated core body composition and new frequency
Characteristic, there is larger supplement to improve the magnetic properties of core body.On coating processes, existing coating and baking can be used
Curing process, do not increase cost.In addition, core body can be fabricated separately into the coating material, also can be as the magnetic of air core coil
Core uses, and to the coil of identical inductances, can reduce the number of turns and copper cash usage amount, cost-effective, and obtains higher electrical parameter,
With multi-meaning.
Embodiment
Present invention is disclosed a kind of new magnetic coating material, include non-magnetic insulating material and nano-magnetic powder
Material, non-magnetic insulating material and nano-magnetic dusty material are homogenously mixed together, the quality of the non-magnetic insulating material:Receive
Quality=1 of rice said magnetic powder material:（0.01-0.95）.The non-magnetic insulating material is epoxy resin or gathered to diformazan
Benzene.The nano-magnetic dusty material is one kind in manganese-zinc ferrite, nickel-zinc ferrite, ultramicro-crystal alloy and nanometer crystal alloy
It is or several.
Present invention further teaches a kind of new magnetic coating material, include following steps：
（1）Suitable magnetic material is selected, and milling processing is carried out to magnetic material, then powdered magnetic material is carried out
Screening, then carries out parameter testing, selects suitable nano-magnetic dusty material.
（2）Non-magnetic insulating material is selected, mixes simultaneously uniform stirring with nano-magnetic dusty material by predetermined ratio.
（3）By step（2）Resulting material is coated and toasted by predetermined thickness, then tests dielectric strength and magnetic conductivity, symbol
After closing regulation requirement, by material coated in core body, then toasted, product inspection is carried out after the completion of baking.
With multiple embodiments, the invention will be further described below：
Embodiment 1：
A kind of new magnetic coating material, includes non-magnetic insulating material and nano-magnetic dusty material, non magnetic insulation
Material and nano-magnetic dusty material are homogenously mixed together, the non-magnetic insulating material:Nano-magnetic dusty material=1:
0.01.The non-magnetic insulating material is epoxy resin.The nano-magnetic dusty material is the nickel-zinc ferrite of μ i=800.
Present invention further teaches a kind of new magnetic coating material, include following steps：
（1）Nickel-zinc ferrite is selected, and milling processing is carried out to nickel-zinc ferrite, then powdered nickel-zinc ferrite is carried out
Screening, then carries out parameter testing, selects suitable nano-magnetic dusty material.
（2）Epoxy resin is selected, mixes simultaneously uniform stirring with nano-magnetic dusty material by predetermined ratio.
（3）By step（2）Resulting material is coated and toasted by predetermined thickness, then tests dielectric strength and magnetic conductivity, symbol
After closing regulation requirement, by material coated in core body, then toasted, product inspection is carried out after the completion of baking.
Embodiment 2：
A kind of new magnetic coating material, includes non-magnetic insulating material and nano-magnetic dusty material, non magnetic insulation
Material and nano-magnetic dusty material are homogenously mixed together, the quality of the non-magnetic insulating material:Nano-magnetic dusty material
Quality=1:0.3.The non-magnetic insulating material is Parylene.The nano-magnetic dusty material is the nickel of μ i=2000
Zn ferrite.
Present invention further teaches a kind of new magnetic coating material, include following steps：
（1）Nickel-zinc ferrite is selected, and milling processing is carried out to nickel-zinc ferrite, then powdered nickel-zinc ferrite is carried out
Screening, then carries out parameter testing, selects suitable nano-magnetic dusty material.
（2）Parylene is selected, mixes simultaneously uniform stirring with nano-magnetic dusty material by predetermined ratio.
（3）By step（2）Resulting material is coated and toasted by predetermined thickness, then tests dielectric strength and magnetic conductivity, symbol
After closing regulation requirement, by material coated in core body, then toasted, product inspection is carried out after the completion of baking.
Embodiment 3：
A kind of new magnetic coating material, includes non-magnetic insulating material and nano-magnetic dusty material, non magnetic insulation
Material and nano-magnetic dusty material are homogenously mixed together, the quality of the non-magnetic insulating material:Nano-magnetic dusty material
Quality=1:0.02.The non-magnetic insulating material is epoxy resin.The nano-magnetic dusty material is the super of μ i=67000
Microcrystallizing alloy.
Present invention further teaches a kind of new magnetic coating material, include following steps：
（1）Ultramicro-crystal alloy is selected, and milling processing is carried out to ultramicro-crystal alloy, then powdered ultramicro-crystal alloy is carried out
Screening, then carries out parameter testing, selects suitable nano-magnetic dusty material.
（2）Epoxy resin is selected, mixes simultaneously uniform stirring with nano-magnetic dusty material by predetermined ratio.
（3）By step（2）Resulting material is coated and toasted by predetermined thickness, then tests dielectric strength and magnetic conductivity, symbol
After closing regulation requirement, by material coated in core body, then toasted, product inspection is carried out after the completion of baking.
Embodiment 4：
A kind of new magnetic coating material, includes non-magnetic insulating material and nano-magnetic dusty material, non magnetic insulation
Material and nano-magnetic dusty material are homogenously mixed together, the non-magnetic insulating material:Nano-magnetic dusty material=1:05.
The non-magnetic insulating material is Parylene.The nano-magnetic dusty material is the nanometer crystal alloy of μ i=32000.
Present invention further teaches a kind of new magnetic coating material, include following steps：
（1）Nanometer crystal alloy is selected, and milling processing is carried out to nanometer crystal alloy, then powdered nanometer crystal alloy material is entered
Row screening, then carries out parameter testing, selects suitable nano-magnetic dusty material.
（2）Parylene is selected, mixes simultaneously uniform stirring with nano-magnetic dusty material by predetermined ratio.
（3）By step（2）Resulting material is coated and toasted by predetermined thickness, then tests dielectric strength and magnetic conductivity, symbol
After closing regulation requirement, by material coated in core body, then toasted, product inspection is carried out after the completion of baking.
Embodiment 5：
A kind of new magnetic coating material, includes non-magnetic insulating material and nano-magnetic dusty material, non magnetic insulation
Material and nano-magnetic dusty material are homogenously mixed together, the non-magnetic insulating material:Nano-magnetic dusty material=1:
0.72.The non-magnetic insulating material is epoxy resin.The nano-magnetic dusty material is manganese-zinc ferrite and Ni Zn ferrimagnet
The mixture of body.
Present invention further teaches a kind of new magnetic coating material, include following steps：
（1）Manganese-zinc ferrite and nickel-zinc ferrite are selected, and milling processing is carried out to manganese-zinc ferrite and nickel-zinc ferrite, then
Powdered manganese-zinc ferrite and nickel-zinc ferrite are screened, then carry out parameter testing, selects suitable nano-magnetic
Dusty material.
（2）Epoxy resin is selected, mixes simultaneously uniform stirring with nano-magnetic dusty material by predetermined ratio.
（3）By step（2）Resulting material is coated and toasted by predetermined thickness, then tests dielectric strength and magnetic conductivity, symbol
After closing regulation requirement, by material coated in core body, then toasted, product inspection is carried out after the completion of baking.
Embodiment 6：A kind of new magnetic coating material, includes non-magnetic insulating material and nano-magnetic powder material
Material, non-magnetic insulating material and nano-magnetic dusty material are homogenously mixed together, the non-magnetic insulating material:Nano-magnetic powder
Powder material=1:0.45.The non-magnetic insulating material is Parylene.The nano-magnetic dusty material is manganese-zinc ferrite
Body, nickel-zinc ferrite, the mixture of ultramicro-crystal alloy and nanometer crystal alloy.
Present invention further teaches a kind of new magnetic coating material, include following steps：
（1）Manganese-zinc ferrite, nickel-zinc ferrite, ultramicro-crystal alloy and nanometer crystal alloy are selected, and to manganese-zinc ferrite, nickel zinc iron
Oxysome, ultramicro-crystal alloy and nanometer crystal alloy carry out milling processing, then powdered magnetic material are screened, Ran Houjin
Row parameter testing, select suitable nano-magnetic dusty material.
（2）Parylene is selected, mixes simultaneously uniform stirring with nano-magnetic dusty material by predetermined ratio.
（3）By step（2）Resulting material is coated and toasted by predetermined thickness, then tests dielectric strength and magnetic conductivity, symbol
After closing regulation requirement, by material coated in core body, then toasted, product inspection is carried out after the completion of baking.
Dielectric strength and relative permeability μ are carried out to a kind of new magnetic coating material that above-mentioned each embodiment makes
I is tested, and its method of testing is prior art, and method of testing of its dielectric strength and relative permeability μ i is not made in detail at this
Thin narration, test result are as shown in the table：
From above-mentioned, the Vdc/mm of magnetic coating material dielectric strength of the present invention >=3000, relative permeability μ i are 1.01-65.
The present invention can arbitrarily adjust its magnetic conductivity, with coated core body according to different Magnaglo characteristics and different ratio
The new compound magnetic conductivity of composition and new frequency characteristic, there is larger supplement to improve the magnetic properties of core body.Coating
In technique, existing coating and baking process can be used, does not increase cost.In addition, the coating material can be fabricated separately into
It core body, can also be used as the magnetic core of air core coil, to the coil of identical inductances, the number of turns and copper cash usage amount can be reduced,
It is cost-effective, and higher electrical parameter is obtained, there is multi-meaning.
The above described is only a preferred embodiment of the present invention, be not intended to limit the scope of the present invention,
Therefore any subtle modifications, equivalent variations and modifications that every technical spirit according to the present invention is made to above example, still
Belong in the range of technical solution of the present invention.
Claims (4)
- A kind of 1. new magnetic coating material, it is characterised in that：Include non-magnetic insulating material and nano-magnetic powder material Material, non-magnetic insulating material and nano-magnetic dusty material are homogenously mixed together, the quality of the non-magnetic insulating material:Nanometer Quality=1 of said magnetic powder material:（0.01-0.95）.
- A kind of 2. new magnetic coating material according to claim 1, it is characterised in that：The non-magnetic insulating material For epoxy resin or Parylene.
- A kind of 3. new magnetic coating material according to claim 1, it is characterised in that：The nano-magnetic powder material Expect for the one or more in manganese-zinc ferrite, nickel-zinc ferrite, ultramicro-crystal alloy and nanometer crystal alloy.
- A kind of a kind of 4. new magnetic coating material as described in any one of claims 1 to 3, it is characterised in that：Include Following steps：（1）Suitable magnetic material is selected, and milling processing is carried out to magnetic material, then powdered magnetic material is carried out Screening, then carries out parameter testing, selects suitable nano-magnetic dusty material；（2）Non-magnetic insulating material is selected, mixes simultaneously uniform stirring with nano-magnetic dusty material by predetermined ratio；（3）By step（2）Resulting material is coated and toasted by predetermined thickness, is then tested dielectric strength and magnetic conductivity, is met rule After provisioning request, by material coated in core body, then toasted, product inspection is carried out after the completion of baking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710592018.9A CN107689281A (en) | 2017-07-19 | 2017-07-19 | A kind of new magnetic coating material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710592018.9A CN107689281A (en) | 2017-07-19 | 2017-07-19 | A kind of new magnetic coating material and preparation method thereof |
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| Publication Number | Publication Date |
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| CN107689281A true CN107689281A (en) | 2018-02-13 |
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| CN201710592018.9A Pending CN107689281A (en) | 2017-07-19 | 2017-07-19 | A kind of new magnetic coating material and preparation method thereof |
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Citations (6)
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|---|---|---|---|---|
| CN101192466A (en) * | 2005-11-30 | 2008-06-04 | 株式会社电装 | Insulating material |
| CN101816224A (en) * | 2007-10-02 | 2010-08-25 | 派克汉尼芬公司 | nano coating for emi gaskets |
| CN102079845A (en) * | 2009-11-19 | 2011-06-01 | 西门子公司 | Casting compound suitable for casting an electronic module, in particular a large-volume coil such as a gradient coil |
| CN103295732A (en) * | 2013-05-29 | 2013-09-11 | 深圳顺络电子股份有限公司 | Winding power inductor and production method thereof |
| CN104530964A (en) * | 2014-12-21 | 2015-04-22 | 劳启绪 | Preparation method of magnetic coating |
| US9224526B1 (en) * | 2010-05-24 | 2015-12-29 | Utron Kinetics, LLC | Magnet construction by combustion driven high compaction |
-
2017
- 2017-07-19 CN CN201710592018.9A patent/CN107689281A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101192466A (en) * | 2005-11-30 | 2008-06-04 | 株式会社电装 | Insulating material |
| CN101816224A (en) * | 2007-10-02 | 2010-08-25 | 派克汉尼芬公司 | nano coating for emi gaskets |
| CN102079845A (en) * | 2009-11-19 | 2011-06-01 | 西门子公司 | Casting compound suitable for casting an electronic module, in particular a large-volume coil such as a gradient coil |
| US9224526B1 (en) * | 2010-05-24 | 2015-12-29 | Utron Kinetics, LLC | Magnet construction by combustion driven high compaction |
| CN103295732A (en) * | 2013-05-29 | 2013-09-11 | 深圳顺络电子股份有限公司 | Winding power inductor and production method thereof |
| CN104530964A (en) * | 2014-12-21 | 2015-04-22 | 劳启绪 | Preparation method of magnetic coating |
Non-Patent Citations (2)
| Title |
|---|
| 周洁敏: "《开关电源理论及设计》", 30 March 2012, 北京：北京航空航天大学出版社 * |
| 潘江桥: "《航天电子互联技术》", 31 December 2015, 北京：中国宇航出版社 * |
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Application publication date: 20180213 |