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 PDF

Info

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
Application number
PCT/JP2008/000594
Other languages
English (en)
French (fr)
Inventor
Yasuhiko Fujii
Yasushi Nishio
Kazuhisa Kanefuji
Tatsuya Ishida
Shigeru Takaragi
Original Assignee
Toda Kogyo Corporation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toda Kogyo Corporation filed Critical Toda Kogyo Corporation
Priority to US12/530,963 priority Critical patent/US9249033B2/en
Priority to KR1020097018859A priority patent/KR101380438B1/ko
Priority to CN2008800078988A priority patent/CN101632139B/zh
Priority to EP08720480.6A priority patent/EP2136379B1/en
Publication of WO2008126352A1 publication Critical patent/WO2008126352A1/ja

Links

Classifications

    • 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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G49/00—Compounds of iron
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • 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
    • 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
    • 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
    • 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
    • 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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • 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
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • 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
    • C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
    • C04B2235/3206—Magnesium oxides or oxide-forming salts thereof
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • 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
    • C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
    • C04B2235/3208—Calcium oxide or oxide-forming salts thereof, e.g. lime
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • 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
    • C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
    • C04B2235/3213—Strontium oxides or oxide-forming salts thereof
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • 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
    • C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
    • C04B2235/3215—Barium oxides or oxide-forming salts thereof
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • 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
    • C04B2235/34—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
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • 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
    • C04B2235/34—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
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • 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
    • C04B2235/44—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
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • 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
    • C04B2235/44—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
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • 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
    • C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
    • C04B2235/54—Particle size related information
    • C04B2235/5409—Particle size related information expressed by specific surface values
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • 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
    • C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
    • C04B2235/54—Particle size related information
    • C04B2235/5418—Particle size related information expressed by the size of the particles or aggregates thereof
    • C04B2235/5436—Particle size related information expressed by the size of the particles or aggregates thereof micrometer sized, i.e. from 1 to 100 micron
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • 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
    • C04B2235/60—Aspects relating to the preparation, properties or mechanical treatment of green bodies or pre-forms
    • C04B2235/604—Pressing at temperatures other than sintering temperatures

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Power Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Hard Magnetic Materials (AREA)

Abstract

　本発明は、成型性、特に射出冷却時に急冷した場合においても機械的強度が良好で、成型品の磁気特性が優れたボンドマグネット成型体を得ることができるボンド磁石用フェライト粒子粉末ならびにボンド磁石用樹脂組成物に関するものであり、該フェライト粒子粉末ならびに該組成物を用いたマグネットロールなどのボンド磁石成型体に関する。リンを吸着および／または含有させたボンド磁石用フェライト粒子粉末において、該フェライト中のリンの含有量が、Ｐとして１２０～５０００ｍｇ／ｋｇ（０．０１２～０．５重量％）であることを特徴とする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並びにマグネットロールである。
PCT/JP2008/000594 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 WO2008126352A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
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
KR1020097018859A KR101380438B1 (ko) 2007-03-14 2008-03-14 본드 자석용 페라이트 입자 분말, 본드 자석용 수지 조성물 및 이것으로 이루어지는 성형체
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
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

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-065563 2007-03-14
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

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)

* Cited by examiner, † Cited by third party
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
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
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

Families Citing this family (8)

* Cited by examiner, † Cited by third party
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
EP3438055B1 (en) * 2016-03-31 2022-05-11 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

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JPH0541314A (ja) 1990-11-02 1993-02-19 Kawasaki Steel Corp ボンド磁石用成形素材の製造方法
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
JP2007281381A (ja) 2006-04-12 2007-10-25 Mate Co Ltd フェライトボンド磁石用樹脂複合材料及びボンド磁石成型品。

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3003965A (en) * 1953-09-29 1961-10-10 Philips Corp Method of preparing a magnetic sound carrier
US3597357A (en) * 1968-03-19 1971-08-03 Westinghouse Electric Corp Method of making strontium-ferrite magnets and the products so produced
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
JPH03136215A (ja) * 1989-08-18 1991-06-11 Kanegafuchi Chem Ind Co Ltd 合成樹脂磁石組成物
US5646229A (en) * 1991-04-08 1997-07-08 Sekisui Kagaku Kogyo Kabushiki Kaisha Compositions for moisture curing hot melt adhesives
JPH10101339A (ja) * 1996-09-27 1998-04-21 Titan Kogyo Kk マグネタイト粒子粉末及びその製造方法並びにその応用
JP3882545B2 (ja) * 2000-11-13 2007-02-21 住友金属鉱山株式会社 高耐候性磁石粉及びこれを用いた磁石
GB2379331B (en) * 2001-03-28 2005-04-13 Emcco Res Ltd Electromagnetic energy absorbing material
WO2002081142A1 (fr) * 2001-04-02 2002-10-17 Taiyo Yuden Co., Ltd. Procede d'usinage de materiau translucide par faisceau laser et materiau translucide usine
US6787059B2 (en) * 2002-03-19 2004-09-07 Toda Kogyo Corporation Resin composition for bonded magnet and bonded magnet using the same
JP2003282313A (ja) * 2002-03-26 2003-10-03 Hitachi Metals Ltd ボンド磁石用フェライト磁粉、コンパウンド、及びボンド磁石
JPWO2004065306A1 (ja) * 2003-01-17 2006-05-18 日立マクセル株式会社 複合粒子およびその製造方法
JP2005005597A (ja) 2003-06-13 2005-01-06 Sumitomo Metal Mining Co Ltd 樹脂結合型磁石用組成物及びそれを用いた樹脂結合型磁石
JP4749733B2 (ja) * 2004-02-18 2011-08-17 チタン工業株式会社 疎水性磁性酸化鉄粒子
JP4665555B2 (ja) * 2005-03-02 2011-04-06 住友金属鉱山株式会社 樹脂結合型磁石組成物、その製造方法及びそれを用いた樹脂結合型磁石
JP2006351560A (ja) * 2005-06-13 2006-12-28 Tdk Corp フェライト焼結磁石の製造方法
JP2007250646A (ja) * 2006-03-14 2007-09-27 Sumitomo Metal Mining Co Ltd 樹脂結合型磁石用組成物、それを用いた磁気異方性ボンド磁石、及びその製造方法
CN101511751B (zh) * 2006-10-19 2012-11-21 日立金属株式会社 电波吸收材料和电波吸收体

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JPH0541314A (ja) 1990-11-02 1993-02-19 Kawasaki Steel Corp ボンド磁石用成形素材の製造方法
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
JP2007281381A (ja) 2006-04-12 2007-10-25 Mate Co Ltd フェライトボンド磁石用樹脂複合材料及びボンド磁石成型品。

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2136379A4 *

Cited By (12)

* Cited by examiner, † Cited by third party
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
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
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

Also Published As

Publication number Publication date
CN101632139B (zh) 2012-07-04
EP2136379A4 (en) 2011-12-28
KR20090119970A (ko) 2009-11-23
JP2008227291A (ja) 2008-09-25
KR101380438B1 (ko) 2014-04-01
US9249033B2 (en) 2016-02-02
EP2136379B1 (en) 2013-06-26
US20100108935A1 (en) 2010-05-06
JP4877513B2 (ja) 2012-02-15
EP2136379A1 (en) 2009-12-23
CN101632139A (zh) 2010-01-20

Similar Documents

Publication Publication Date Title
WO2008126352A1 (ja) 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
WO2008143091A1 (ja) 焼結軟磁性粉末成形体
WO2007087346A3 (en) Molding compositions containing polycarbonate and modified polybutylene terephthalate(pbt) random copolymers derived from polyethylene terephthalate (pet)
WO2009077108A3 (de) Wälzbeanspruchtes bauteil und verfahren zur oberflächenbehandlung eines wälzbeanspruchten bauteils
WO2012031183A3 (en) Modified fillers and elastomeric composites comprising same
WO2010004227A3 (fr) Composition pulverulente pour la fabrication d'objets ayant un aspect metallique stable au cours du temps et une resistance au crayonnage amelioree
WO2008129803A1 (ja) 軟磁性合金及びそれを用いた磁気部品並びにそれらの製造方法
PL2052026T3 (pl) Kompozycje polietylenowe o dużej gęstości, sposób ich wytwarzania, wytwarzane z nich wyroby wtryskowe i sposób wytwarzania takich wyrobów
WO2009120182A3 (en) Sulfo-polymer powder and sulfo-polymer powder blends with carriers and/or actives
WO2007109812A3 (en) Immunopotentiating compounds
MY144099A (en) Moulding compound comprising polyoxymethylene and zeolite
WO2008081583A1 (ja) 容器詰飲料
WO2009069649A1 (ja) フィラー強化樹脂用助剤、フィラー強化ポリプロピレン樹脂組成物およびその成形品
WO2007075877A3 (en) Parenteral nutrition composition containing iron
WO2007027724A3 (en) Steel compositions, methods of forming the same, and articles formed therefrom
EP2025717A4 (en) RESIN COMPOSITION, AND AUTOMOTIVE COMPONENT SITUATED UNDER THE COVER PRODUCED USING THE RESIN COMPOSITION
MY152006A (en) Instant drink powder
WO2010118358A3 (en) Acoustic damping compositions
EP2370220A4 (en) LUBRICANTS FOR POWDER METALLURGICAL COMPOSITIONS
WO2009001641A1 (ja) 軟磁性粉体、軟磁性成形体およびそれらの製造方法
WO2010043960A3 (en) Degradable beverage container lid
WO2008007244A3 (en) Composition for improving eye health
WO2010059008A3 (ko) 복합탄소소재를 포함하는 전도성 수지조성물
WO2008027547A3 (en) Antioxidant therapies
WO2009010445A3 (en) Iron-based powder combination

Legal Events

Date Code Title Description
WWE Wipo information: entry into national phase

Ref document number: 200880007898.8

Country of ref document: CN

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 08720480

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: 1020097018859

Country of ref document: KR

NENP Non-entry into the national phase

Ref country code: DE

WWE Wipo information: entry into national phase

Ref document number: 2008720480

Country of ref document: EP

WWE Wipo information: entry into national phase

Ref document number: 12530963

Country of ref document: US