DE69122134T2 - Eisen als Hauptkomponente enthaltende magnetische Tonerteilchen und Verfahren zu ihrer Herstellung - Google Patents

Eisen als Hauptkomponente enthaltende magnetische Tonerteilchen und Verfahren zu ihrer Herstellung

Info

Publication number
DE69122134T2
DE69122134T2 DE69122134T DE69122134T DE69122134T2 DE 69122134 T2 DE69122134 T2 DE 69122134T2 DE 69122134 T DE69122134 T DE 69122134T DE 69122134 T DE69122134 T DE 69122134T DE 69122134 T2 DE69122134 T2 DE 69122134T2
Authority
DE
Germany
Prior art keywords
producing
main component
toner particles
particles containing
magnetic toner
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE69122134T
Other languages
English (en)
Other versions
DE69122134D1 (de
DE69122134T3 (de
Inventor
Hiromitsu Misawa
Kazuo Fujioka
Eiichi Kurita
Yasuhiko Fujii
Youzi Okano
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toda Kogyo Corp
Original Assignee
Toda Kogyo Corp
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=11943604&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69122134(T2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Toda Kogyo Corp filed Critical Toda Kogyo Corp
Publication of DE69122134D1 publication Critical patent/DE69122134D1/de
Application granted granted Critical
Publication of DE69122134T2 publication Critical patent/DE69122134T2/de
Publication of DE69122134T3 publication Critical patent/DE69122134T3/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H01F1/04—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 metals or alloys
    • H01F1/06—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 metals or alloys in the form of particles, e.g. powder
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/0802—Preparation methods
    • G03G9/081—Preparation methods by mixing the toner components in a liquefied state; melt kneading; reactive mixing
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/083—Magnetic toner particles
    • G03G9/0831—Chemical composition of the magnetic components
    • G03G9/0832—Metals
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/083—Magnetic toner particles
    • G03G9/0836—Other physical parameters of the magnetic components
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/083—Magnetic toner particles
    • G03G9/0838—Size of magnetic components
    • 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
    • H01F1/04—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 metals or alloys
    • H01F1/06—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 metals or alloys in the form of particles, e.g. powder
    • H01F1/08—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 metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together
    • H01F1/083—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 metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together in a bonding agent
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S430/00—Radiation imagery chemistry: process, composition, or product thereof
    • Y10S430/001—Electric or magnetic imagery, e.g., xerography, electrography, magnetography, etc. Process, composition, or product
    • Y10S430/104—One component toner

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
DE69122134T 1990-01-26 1991-01-25 Eisen als Hauptkomponente enthaltende magnetische Tonerteilchen und Verfahren zu ihrer Herstellung Expired - Fee Related DE69122134T3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP17423/90 1990-01-26
JP2017423A JP3009695B2 (ja) 1990-01-26 1990-01-26 鉄を主成分とする磁性粒子粉末及びその製造法

Publications (3)

Publication Number Publication Date
DE69122134D1 DE69122134D1 (de) 1996-10-24
DE69122134T2 true DE69122134T2 (de) 1997-04-10
DE69122134T3 DE69122134T3 (de) 2005-07-21

Family

ID=11943604

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69122134T Expired - Fee Related DE69122134T3 (de) 1990-01-26 1991-01-25 Eisen als Hauptkomponente enthaltende magnetische Tonerteilchen und Verfahren zu ihrer Herstellung

Country Status (4)

Country Link
US (1) US5232805A (de)
EP (1) EP0439367B2 (de)
JP (1) JP3009695B2 (de)
DE (1) DE69122134T3 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2862436B2 (ja) * 1992-05-13 1999-03-03 キヤノン株式会社 画像形成方法及び画像形成装置
CA2107524C (en) * 1992-10-06 1999-01-19 Hiromitsu Misawa Iron oxide particles and process for producing the same
JPH06274026A (ja) * 1993-03-24 1994-09-30 Hitachi Metals Ltd 直接記録方法
DE69408253T2 (de) * 1993-09-30 1998-05-14 Toda Kogyo Corp Körnige Magnetitteilchen und Verfahren zu ihrer Herstellung
JPH07186194A (ja) * 1993-12-27 1995-07-25 Sony Disc Technol:Kk スタンパーの自動交換装置
KR100243564B1 (ko) * 1996-12-07 2000-02-01 문창호 자성유체의 제조방법
KR100243563B1 (ko) * 1996-12-07 2000-02-01 문창호 자성유체의 제조방법
JP2001114522A (ja) * 1999-08-11 2001-04-24 Toda Kogyo Corp 高抵抗黒色磁性トナー用黒色磁性粒子粉末及び該黒色磁性粒子粉末を用いた高抵抗黒色磁性トナー
EP0936507A3 (de) * 1998-02-17 1999-11-17 Toda Kogyo Corp. Schwarzes teilchenförmiges magnetisierbares Verbundmaterial und schwarzer magnetischer Toner das dieses enthält
US6379855B1 (en) 1998-02-17 2002-04-30 Toda Kogyo Corporation Black magnetic toner and black magnetic composite particles therefor
US6416864B1 (en) 1998-02-17 2002-07-09 Toda Kogyo Corporation Black magnetic composite particles for a black magnetic toner
CN100371396C (zh) * 2004-05-11 2008-02-27 南京工业大学 一种铁粉吸收剂及其制备方法和应用
CN100351322C (zh) * 2004-05-11 2007-11-28 南京工业大学 一种铁粉吸收剂及其制备方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53137148A (en) * 1977-05-02 1978-11-30 Xerox Corp Developing agent and method of forming image
JPS597381B2 (ja) * 1978-08-18 1984-02-17 日立金属株式会社 磁性トナ−
JPS5695246A (en) * 1980-11-13 1981-08-01 Ricoh Co Ltd Manufacture of toner particle
JPS57124404A (en) † 1981-01-26 1982-08-03 Toda Kogyo Corp Manufacture of magnetic iron oxide powder
JPS589153A (ja) * 1981-07-10 1983-01-19 Konishiroku Photo Ind Co Ltd 磁性トナ−
JPS5925905A (ja) † 1982-08-02 1984-02-10 Chisso Corp 針状鉄系強磁性金属粉末の製法
JPS6052859A (ja) * 1983-09-01 1985-03-26 Konishiroku Photo Ind Co Ltd 磁性トナ−
JPS61214227A (ja) † 1985-03-20 1986-09-24 Hitachi Maxell Ltd 磁気テ−プの製造方法
JPS6270862A (ja) * 1985-09-25 1987-04-01 Konishiroku Photo Ind Co Ltd 磁性カラートナー
US4935325A (en) * 1987-09-10 1990-06-19 Canon Kabushiki Kaisha Toner and image forming method using magnetic material with specific tap density and linseed oil absorption
JPH01251602A (ja) † 1988-03-31 1989-10-06 Fuji Photo Film Co Ltd 磁性酸化鉄粉末の処理方法
US5066558A (en) * 1988-09-30 1991-11-19 Canon Kabushiki Kaisha Developer for developing electrostatic images
US4960666A (en) * 1989-02-27 1990-10-02 Xerox Corporation Toner and developer compositions with polysilylenes
JP3204794B2 (ja) † 1993-04-30 2001-09-04 三菱製紙株式会社 ハロゲン化銀写真感光材料

Also Published As

Publication number Publication date
EP0439367B2 (de) 2004-11-24
EP0439367A2 (de) 1991-07-31
EP0439367B1 (de) 1996-09-18
EP0439367A3 (en) 1991-10-30
JP3009695B2 (ja) 2000-02-14
DE69122134D1 (de) 1996-10-24
DE69122134T3 (de) 2005-07-21
US5232805A (en) 1993-08-03
JPH03221965A (ja) 1991-09-30

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8366 Restricted maintained after opposition proceedings
8339 Ceased/non-payment of the annual fee