CN106336213A - MnZn soft magnetic ferrite material with high magnetic conductivity - Google Patents
MnZn soft magnetic ferrite material with high magnetic conductivity Download PDFInfo
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- CN106336213A CN106336213A CN201610760906.2A CN201610760906A CN106336213A CN 106336213 A CN106336213 A CN 106336213A CN 201610760906 A CN201610760906 A CN 201610760906A CN 106336213 A CN106336213 A CN 106336213A
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- Prior art keywords
- soft magnetic
- high magnetic
- sodium
- oxide
- mnzn soft
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- 229910000529 magnetic ferrite Inorganic materials 0.000 title claims abstract description 21
- 239000000463 material Substances 0.000 title abstract description 7
- 238000002425 crystallisation Methods 0.000 claims abstract description 12
- 230000005712 crystallization Effects 0.000 claims abstract description 12
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium monoxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims abstract description 8
- XLOMVQKBTHCTTD-UHFFFAOYSA-N zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 8
- WMWLMWRWZQELOS-UHFFFAOYSA-N Bismuth(III) oxide Chemical compound O=[Bi]O[Bi]=O WMWLMWRWZQELOS-UHFFFAOYSA-N 0.000 claims abstract description 5
- NUJOXMJBOLGQSY-UHFFFAOYSA-N Manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000000292 calcium oxide Substances 0.000 claims abstract description 4
- 229910000468 manganese oxide Inorganic materials 0.000 claims abstract description 4
- AMWRITDGCCNYAT-UHFFFAOYSA-L manganese(II,III) oxide Inorganic materials [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 claims abstract description 4
- 239000011787 zinc oxide Substances 0.000 claims abstract description 4
- 229910000476 molybdenum oxide Inorganic materials 0.000 claims abstract description 3
- PQQKPALAQIIWST-UHFFFAOYSA-N oxomolybdenum Chemical compound [Mo]=O PQQKPALAQIIWST-UHFFFAOYSA-N 0.000 claims abstract description 3
- GRUMUEUJTSXQOI-UHFFFAOYSA-N vanadium dioxide Chemical compound O=[V]=O GRUMUEUJTSXQOI-UHFFFAOYSA-N 0.000 claims abstract description 3
- 229910001935 vanadium oxide Inorganic materials 0.000 claims abstract description 3
- KEAYESYHFKHZAL-UHFFFAOYSA-N sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 claims description 31
- 239000011734 sodium Substances 0.000 claims description 31
- 229910052708 sodium Inorganic materials 0.000 claims description 31
- 229920000058 polyacrylate Polymers 0.000 claims description 25
- 230000035699 permeability Effects 0.000 claims description 18
- 239000002245 particle Substances 0.000 claims description 15
- 239000002994 raw material Substances 0.000 claims description 15
- 239000000843 powder Substances 0.000 claims description 11
- 239000011022 opal Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 239000012065 filter cake Substances 0.000 claims description 7
- 238000002360 preparation method Methods 0.000 claims description 7
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M Sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 claims description 6
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 claims description 6
- 229910000416 bismuth oxide Inorganic materials 0.000 claims description 3
- 239000004743 Polypropylene Substances 0.000 claims description 2
- 239000002253 acid Substances 0.000 claims description 2
- 150000001336 alkenes Chemical class 0.000 claims description 2
- 229920001888 polyacrylic acid Polymers 0.000 claims description 2
- 239000004584 polyacrylic acid Substances 0.000 claims description 2
- 229920001155 polypropylene Polymers 0.000 claims description 2
- VDGJOQCBCPGFFD-UHFFFAOYSA-N [Si+4].[O-2].[O-2].[Ti+4] Chemical compound [Si+4].[O-2].[O-2].[Ti+4] VDGJOQCBCPGFFD-UHFFFAOYSA-N 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 1
- 230000003647 oxidation Effects 0.000 claims 1
- 238000007254 oxidation reaction Methods 0.000 claims 1
- 238000005406 washing Methods 0.000 claims 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract description 6
- JEIPFZHSYJVQDO-UHFFFAOYSA-N Iron(III) oxide Chemical compound O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 abstract description 5
- 239000011148 porous material Substances 0.000 abstract description 3
- 239000000377 silicon dioxide Substances 0.000 abstract description 3
- 235000012239 silicon dioxide Nutrition 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 3
- YLSLSHTYFFBCKG-UHFFFAOYSA-N bismuth;oxomolybdenum Chemical compound [Mo].[Bi]=O YLSLSHTYFFBCKG-UHFFFAOYSA-N 0.000 description 1
- HUUOUJVWIOKBMD-UHFFFAOYSA-N bismuth;oxygen(2-);vanadium Chemical compound [O-2].[O-2].[O-2].[O-2].[V].[Bi+3] HUUOUJVWIOKBMD-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 125000004356 hydroxy functional group Chemical group O* 0.000 description 1
- 229910000460 iron oxide Inorganic materials 0.000 description 1
- 239000002075 main ingredient Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/26—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on ferrites
- C04B35/2608—Compositions containing one or more ferrites of the group comprising manganese, zinc, nickel, copper or cobalt and one or more ferrites of the group comprising rare earth metals, alkali metals, alkaline earth metals or lead
- C04B35/2633—Compositions containing one or more ferrites of the group comprising manganese, zinc, nickel, copper or cobalt and one or more ferrites of the group comprising rare earth metals, alkali metals, alkaline earth metals or lead containing barium, strontium or calcium
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- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
- C04B35/632—Organic additives
- C04B35/634—Polymers
- C04B35/63404—Polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C04B35/63424—Polyacrylates; Polymethacrylates
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- H01—BASIC 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
- H01F1/34—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 non-metallic substances, e.g. ferrites
- H01F1/342—Oxides
- H01F1/344—Ferrites, e.g. having a cubic spinel structure (X2+O)(Y23+O3), e.g. magnetite Fe3O4
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- 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
- H01F1/34—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 non-metallic substances, e.g. ferrites
- H01F1/36—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 non-metallic substances, e.g. ferrites in the form of particles
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- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
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- C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
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Abstract
The invention discloses a MnZn soft magnetic ferrite material with high magnetic conductivity. The material is prepared from 40-60mol% iron sesquioxide, 20-50mol% manganese oxide, 2-10mol% zinc oxide, 100-200ppm silicon dioxide, 200-400ppm calcium oxide, 100-300ppm bismuth trioxide, 400-800ppm molybdenum oxide and 200-500ppm vanadium oxide. The MnZn soft magnetic ferrite material with high magnetic conductivity has uniform crystallization, few pores among grains and among grain boundary, and has not only high magnetic conductivity but also good thermal stability.
Description
Technical field
The present invention relates to soft magnetic ferrite technical field, more particularly, to a kind of high magnetic permeability mnzn soft magnetic ferrite.
Background technology
Along with the popularization of Portable mobile electronic device, multimedia communication, the high speed development of digital network, and electromagnetism
The compatible demand with fields such as electromagnetism interference, proposes the requirement of more Gao Gengxin at present to mn-zn Ferrite Material.With electricity
The energy-saving of sub- components and parts, improves constantly heat stability and is always engaged in chasing after of this professional engineers and technicians with pcrmeability
Ask.
Content of the invention
The technical problem being existed based on background technology, the present invention proposes a kind of high magnetic permeability mnzn soft magnetic ferrite material
Material, uniformly, the pore between intercrystalline, crystal boundary is few, not only has high magnetic permeability, and heat stability is good for crystallization.
A kind of high magnetic permeability mnzn soft magnetic ferrite proposed by the present invention, its raw material includes:
Preferably, also include modified polyacrylate sodium, modified polyacrylate sodium accounts for the 0.5-1.5wt% of raw material gross weight.
Preferably, modified polyacrylate sodium adopts following technique preparation: opal powder body, sodium polyacrylate, water are ground
It is 10-30 μm to particle diameter, add crystallization tio2Continue to be ground to particle diameter for 60-120 μm, filter, filter cake is washed with deionized,
Dry, pulverize and obtain modified polyacrylate sodium.
Preferably, modified polyacrylate sodium adopts following technique preparation: by weight by 5-15 part opal powder body, 2-6
Part sodium polyacrylate, 30-50 part water are ground to particle diameter and are 10-30 μm, add 10-20 part crystallization tio2Continue to be ground to particle diameter and be
60-120 μm, filter, filter cake is washed with deionized, 100-115 DEG C dry, pulverize and obtain modified polyacrylate sodium.
Preferably, iron sesquioxide, manganese oxide, the mol ratio of zinc oxide are 45-55:30-40:4-8.
Preferably, the weight of silicon dioxide, calcium oxide, bismuth oxide, molybdenum oxide, vanadium oxide is than for 120-180:250-
350:150-250:500-700:300-400.
Preferably, its raw material includes:
The present invention adopts conventional fabrication process to be obtained.
The present invention passes through to adjust main ingredient of ferric oxide, manganese oxide, the mol ratio of zinc oxide, suitably increases simultaneously
Suitable auxiliary element silicon dioxide, calcium oxide, bismuth oxide, molybdenum oxide, vanadium oxide, and add a certain amount of modification poly- third
Olefin(e) acid sodium, can be effectively improved performance, so that the present invention is crystallized uniformly, and can reduce the pore between intercrystalline, crystal boundary, not only can ensure
The present invention has high magnetic permeability, and heat stability is good；In the modified polyacrylate sodium of the present invention, opal powder body, polypropylene
, through mixed grinding to certain particle diameter, mixing uniformity is fabulous for sour sodium, adds crystallization tio2Grind further, opal powder body
With crystallization tio2Combination degree high, opal powder surface hydroxy density with formed all kinds of defects, lead to its with crystallization
tio2The association reaction degree of the functional group that surface is formed is fabulous, makes the present invention not only have certain caking ability, and disperses
Property good, be difficult reunite；Modified polyacrylate sodium is fabulous with the binding ability of main constituent, auxiliary element, makes that the present invention's is comprehensive
Can be excellent.
Specific embodiment
Below, by specific embodiment, technical scheme is described in detail.
Embodiment 1
A kind of high magnetic permeability mnzn soft magnetic ferrite proposed by the present invention, its raw material includes:
Embodiment 2
A kind of high magnetic permeability mnzn soft magnetic ferrite proposed by the present invention, its raw material includes:
Also include modified polyacrylate sodium, modified polyacrylate sodium accounts for the 0.5wt% of raw material gross weight.
Embodiment 3
A kind of high magnetic permeability mnzn soft magnetic ferrite proposed by the present invention, its raw material includes:
Also include modified polyacrylate sodium, modified polyacrylate sodium accounts for the 1.5wt% of raw material gross weight.
Modified polyacrylate sodium adopts the preparation of following technique: by weight by 5 parts of opal powder body, 6 parts of sodium polyacrylate,
30 parts of water are ground to particle diameter and are 10-30 μm, add 20 parts of crystallization tio2Continue to be ground to particle diameter for 60-120 μm, filter, filter cake
It is washed with deionized, 100 DEG C dry, pulverize and obtain modified polyacrylate sodium.
Embodiment 4
A kind of high magnetic permeability mnzn soft magnetic ferrite proposed by the present invention, its raw material includes:
Also include modified polyacrylate sodium, modified polyacrylate sodium accounts for the 0.8wt% of raw material gross weight.
Modified polyacrylate sodium adopts following technique preparation: by weight by 15 parts of opal powder body, 2 parts of polyacrylic acid
Sodium, 50 parts of water are ground to particle diameter and are 10-30 μm, add 10 parts of crystallization tio2Continue to be ground to particle diameter for 60-120 μm, filter, filter
Cake is washed with deionized, and 115 DEG C dry, pulverize and obtain modified polyacrylate sodium.
Embodiment 5
A kind of high magnetic permeability mnzn soft magnetic ferrite proposed by the present invention, its raw material includes:
Also include modified polyacrylate sodium, modified polyacrylate sodium accounts for the 1.2wt% of raw material gross weight.
Modified polyacrylate sodium adopts following technique preparation: opal powder body, sodium polyacrylate, water are ground to particle diameter and are
10-30 μm, add crystallization tio2Continue to be ground to particle diameter for 60-120 μm, filter, filter cake is washed with deionized, be dried, powder
Broken obtain modified polyacrylate sodium.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any those familiar with the art the invention discloses technical scope in, technology according to the present invention scheme and its
Inventive concept equivalent or change in addition, all should be included within the scope of the present invention.
Claims (7)
1. a kind of high magnetic permeability mnzn soft magnetic ferrite is it is characterised in that its raw material includes:
2. according to claim 1 high magnetic permeability mnzn soft magnetic ferrite it is characterised in that also including modified polypropene
Sour sodium, modified polyacrylate sodium accounts for the 0.5-1.5wt% of raw material gross weight.
3. high magnetic permeability mnzn soft magnetic ferrite according to claim 1 or claim 2 is it is characterised in that modified polyacrylic acid
Sodium adopts following technique preparation: opal powder body, sodium polyacrylate, water is ground to particle diameter and is 10-30 μm, adds crystallization tio2
Continue to be ground to particle diameter for 60-120 μm, filter, filter cake is washed with deionized, and dry, pulverize and obtains modified polyacrylate sodium.
4. according to any one of claim 1-3 high magnetic permeability mnzn soft magnetic ferrite it is characterised in that modified poly- third
Olefin(e) acid sodium adopts following technique preparation: grinds 5-15 part opal powder body, 2-6 part sodium polyacrylate, 30-50 part water by weight
It is milled to particle diameter and is 10-30 μm, add 10-20 part crystallization tio2Continue to be ground to particle diameter and be 60-120 μm, filter, filter cake spend from
Sub- water washing, 100-115 DEG C dry, pulverize and obtain modified polyacrylate sodium.
5. according to any one of claim 1-4 high magnetic permeability mnzn soft magnetic ferrite it is characterised in that three oxidation two
Ferrum, manganese oxide, the mol ratio of zinc oxide are 45-55:30-40:4-8.
6. according to any one of claim 1-5 high magnetic permeability mnzn soft magnetic ferrite it is characterised in that titanium dioxide
Silicon, calcium oxide, bismuth oxide, molybdenum oxide, the weight of vanadium oxide are than for 120-180:250-350:150-250:500-700:
300-400.
7. according to any one of claim 1-6 high magnetic permeability mnzn soft magnetic ferrite it is characterised in that its raw material includes:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610760906.2A CN106336213A (en) | 2016-08-29 | 2016-08-29 | MnZn soft magnetic ferrite material with high magnetic conductivity |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610760906.2A CN106336213A (en) | 2016-08-29 | 2016-08-29 | MnZn soft magnetic ferrite material with high magnetic conductivity |
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| CN106336213A true CN106336213A (en) | 2017-01-18 |
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| CN201610760906.2A Pending CN106336213A (en) | 2016-08-29 | 2016-08-29 | MnZn soft magnetic ferrite material with high magnetic conductivity |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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