WO2008126352A1 - ボンド磁石用フェライト粒子粉末、ボンド磁石用樹脂組成物およびそれらから成る成型体 - Google Patents
ボンド磁石用フェライト粒子粉末、ボンド磁石用樹脂組成物およびそれらから成る成型体 Download PDFInfo
- Publication number
- WO2008126352A1 WO2008126352A1 PCT/JP2008/000594 JP2008000594W WO2008126352A1 WO 2008126352 A1 WO2008126352 A1 WO 2008126352A1 JP 2008000594 W JP2008000594 W JP 2008000594W WO 2008126352 A1 WO2008126352 A1 WO 2008126352A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- bonded magnet
- ferrite powder
- molded body
- resin composition
- those
- Prior art date
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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
- H01F1/032—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 hard-magnetic materials
- H01F1/10—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 hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure
- H01F1/11—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 hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure in the form of particles
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
- C01G49/0018—Mixed oxides or hydroxides
- C01G49/0036—Mixed oxides or hydroxides containing one alkaline earth metal, magnesium or lead
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
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- C—CHEMISTRY; METALLURGY
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- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- 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
- C04B35/2683—Other ferrites containing alkaline earth metals or lead
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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
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/22—Compounds of iron
- C09C1/24—Oxides of iron
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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
- H01F1/032—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 hard-magnetic materials
- H01F1/10—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 hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure
- H01F1/11—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 hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure in the form of particles
- H01F1/113—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 hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure in the form of particles in a bonding agent
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/12—Surface area
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/42—Magnetic properties
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- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- 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
- C04B2235/3201—Alkali metal oxides or oxide-forming salts thereof
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
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- 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
- C04B2235/3206—Magnesium oxides or oxide-forming salts thereof
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
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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
- C04B2235/3208—Calcium oxide or oxide-forming salts thereof, e.g. lime
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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
- C04B2235/3213—Strontium oxides or oxide-forming salts thereof
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- 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
- C04B2235/3215—Barium oxides or oxide-forming salts thereof
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- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3409—Boron oxide, borates, boric acids, or oxide forming salts thereof, e.g. borax
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- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3418—Silicon oxide, silicic acids, or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
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- C04B2235/44—Metal salt constituents or additives chosen for the nature of the anions, e.g. hydrides or acetylacetonate
- C04B2235/444—Halide containing anions, e.g. bromide, iodate, chlorite
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- C04B2235/44—Metal salt constituents or additives chosen for the nature of the anions, e.g. hydrides or acetylacetonate
- C04B2235/447—Phosphates or phosphites, e.g. orthophosphate, hypophosphite
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- C04B2235/54—Particle size related information
- C04B2235/5409—Particle size related information expressed by specific surface values
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- C04B2235/5418—Particle size related information expressed by the size of the particles or aggregates thereof
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/60—Aspects relating to the preparation, properties or mechanical treatment of green bodies or pre-forms
- C04B2235/604—Pressing at temperatures other than sintering temperatures
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Power Engineering (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Hard Magnetic Materials (AREA)
Abstract
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2008800078988A CN101632139B (zh) | 2007-03-14 | 2008-03-14 | 粘结磁铁用铁氧体颗粒粉末、粘结磁铁用树脂组合物和由这些构成的成型体 |
US12/530,963 US9249033B2 (en) | 2007-03-14 | 2008-03-14 | Ferrite particles for bonded magnets, resin composition for bonded magnets, and molded product comprising the same |
EP08720480.6A EP2136379B1 (en) | 2007-03-14 | 2008-03-14 | Ferrite powder for bonded magnet, resin composition for bonded magnet, and molded body made of those |
KR1020097018859A KR101380438B1 (ko) | 2007-03-14 | 2008-03-14 | 본드 자석용 페라이트 입자 분말, 본드 자석용 수지 조성물 및 이것으로 이루어지는 성형체 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007065563A JP4877513B2 (ja) | 2007-03-14 | 2007-03-14 | ボンド磁石用フェライト粒子粉末、ボンド磁石用樹脂組成物ならびにそれらを用いた成型体 |
JP2007-065563 | 2007-03-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2008126352A1 true WO2008126352A1 (ja) | 2008-10-23 |
Family
ID=39845528
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2008/000594 WO2008126352A1 (ja) | 2007-03-14 | 2008-03-14 | ボンド磁石用フェライト粒子粉末、ボンド磁石用樹脂組成物およびそれらから成る成型体 |
Country Status (6)
Country | Link |
---|---|
US (1) | US9249033B2 (ja) |
EP (1) | EP2136379B1 (ja) |
JP (1) | JP4877513B2 (ja) |
KR (1) | KR101380438B1 (ja) |
CN (1) | CN101632139B (ja) |
WO (1) | WO2008126352A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011004773A1 (ja) * | 2009-07-08 | 2011-01-13 | Tdk株式会社 | フェライト磁性材料 |
JP2016072634A (ja) * | 2014-09-30 | 2016-05-09 | Dowaエレクトロニクス株式会社 | ボンド磁石用フェライト粉末とその製造方法並びにフェライト系ボンド磁石 |
JP2016072636A (ja) * | 2014-09-30 | 2016-05-09 | Dowaエレクトロニクス株式会社 | ボンド磁石用フェライト粉末とその製造方法、並びにフェライト系ボンド磁石 |
JP2016072635A (ja) * | 2014-09-30 | 2016-05-09 | Dowaエレクトロニクス株式会社 | ボンド磁石用フェライト粉末とその製造方法並びにフェライト系ボンド磁石 |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4893680B2 (ja) * | 2008-04-03 | 2012-03-07 | 戸田工業株式会社 | ボンド磁石用フェライト粒子粉末、ボンド磁石用樹脂組成物ならびにそれらを用いた成型体 |
CN101894648B (zh) * | 2010-07-02 | 2012-10-31 | 北矿磁材科技股份有限公司 | 粘结铁氧体磁粉及其制备方法及粘结磁体 |
CN102005277B (zh) * | 2010-09-30 | 2012-08-22 | 广州金南磁性材料有限公司 | 一种应力场取向各向异性可挠性粘结钕铁硼磁体及其制备方法 |
JP5994382B2 (ja) * | 2012-05-17 | 2016-09-21 | スズキ株式会社 | 樹脂成形体およびその製造方法 |
US11031172B2 (en) * | 2015-06-18 | 2021-06-08 | Biosense Webster (Israel) Ltd. | Tracking sensor |
US20190040226A1 (en) * | 2016-03-31 | 2019-02-07 | Powdertech Co., Ltd. | Ferrite powder, resin composition, and molded article |
EP3335912B1 (en) * | 2016-12-15 | 2019-10-30 | Bridgestone Americas Tire Operations, LLC | Tire with magnetic tread detection |
CN111210964B (zh) * | 2019-10-10 | 2021-06-18 | 横店集团东磁股份有限公司 | 一种注塑永磁铁氧体磁体及其制备方法 |
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JPS55145303A (en) | 1979-04-28 | 1980-11-12 | Toda Kogyo Corp | Manufacture of hexagonal plate shaped magnetplumbite type ferrite particle powder |
JPH03218606A (ja) | 1990-01-24 | 1991-09-26 | Bridgestone Corp | 合成樹脂磁石用組成物 |
JPH0493002A (ja) | 1990-08-09 | 1992-03-25 | Kawasaki Steel Corp | ボンド磁石用成形素材の製造方法 |
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JP2003142307A (ja) * | 2001-11-07 | 2003-05-16 | Sumitomo Metal Mining Co Ltd | 樹脂結合型磁石用組成物及びそれを用いてなる樹脂結合型磁石 |
JP2005268729A (ja) | 2004-03-22 | 2005-09-29 | Dowa Mining Co Ltd | ボンド磁石用フェライト磁性粉 |
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CA1215223A (en) * | 1983-07-04 | 1986-12-16 | Tokuji Abe | Composition for plastic magnets |
JPS62101003A (ja) * | 1985-10-26 | 1987-05-11 | Bridgestone Corp | 異方性樹脂磁石組成物 |
JPH0688796B2 (ja) * | 1986-05-07 | 1994-11-09 | 石原産業株式会社 | 磁気記録用強磁性微粉末の製造方法 |
JPS6343964A (ja) * | 1986-08-11 | 1988-02-25 | Daihachi Kagaku Kogyosho:Kk | 表面改質無機粉体およびそれを含有する樹脂組成物 |
JPS647604A (en) * | 1987-06-30 | 1989-01-11 | Ube Nitto Kasei Co | Plastic magnetic composition |
US4988755A (en) * | 1987-12-14 | 1991-01-29 | The B. F. Goodrich Company | Passivated rare earth magnet or magnetic material compositions |
US5063011A (en) * | 1989-06-12 | 1991-11-05 | Hoeganaes Corporation | Doubly-coated iron particles |
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Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011004773A1 (ja) * | 2009-07-08 | 2011-01-13 | Tdk株式会社 | フェライト磁性材料 |
EP2453449A1 (en) * | 2009-07-08 | 2012-05-16 | TDK Corporation | Ferrite magnetic material |
CN102473499A (zh) * | 2009-07-08 | 2012-05-23 | Tdk株式会社 | 铁氧体磁性材料 |
US20120161062A1 (en) * | 2009-07-08 | 2012-06-28 | Tdk Corporation | Ferrite magnetic material |
EP2453449A4 (en) * | 2009-07-08 | 2013-04-03 | Tdk Corp | FERRITE MAGNETIC MATERIAL |
JP5418595B2 (ja) * | 2009-07-08 | 2014-02-19 | Tdk株式会社 | 焼結磁石 |
KR101377409B1 (ko) * | 2009-07-08 | 2014-04-01 | 티디케이가부시기가이샤 | 페라이트 자성 재료 |
US8834738B2 (en) | 2009-07-08 | 2014-09-16 | Tdk Corporation | Ferrite magnetic material |
US9336933B2 (en) | 2009-07-08 | 2016-05-10 | Tdk Corporation | Ferrite magnetic material |
JP2016072634A (ja) * | 2014-09-30 | 2016-05-09 | Dowaエレクトロニクス株式会社 | ボンド磁石用フェライト粉末とその製造方法並びにフェライト系ボンド磁石 |
JP2016072636A (ja) * | 2014-09-30 | 2016-05-09 | Dowaエレクトロニクス株式会社 | ボンド磁石用フェライト粉末とその製造方法、並びにフェライト系ボンド磁石 |
JP2016072635A (ja) * | 2014-09-30 | 2016-05-09 | Dowaエレクトロニクス株式会社 | ボンド磁石用フェライト粉末とその製造方法並びにフェライト系ボンド磁石 |
Also Published As
Publication number | Publication date |
---|---|
JP2008227291A (ja) | 2008-09-25 |
US20100108935A1 (en) | 2010-05-06 |
EP2136379A4 (en) | 2011-12-28 |
US9249033B2 (en) | 2016-02-02 |
CN101632139A (zh) | 2010-01-20 |
EP2136379B1 (en) | 2013-06-26 |
EP2136379A1 (en) | 2009-12-23 |
KR20090119970A (ko) | 2009-11-23 |
KR101380438B1 (ko) | 2014-04-01 |
JP4877513B2 (ja) | 2012-02-15 |
CN101632139B (zh) | 2012-07-04 |
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