DE69918893D1 - Magnetitteilchen mit modifizierter Oberfläche, sowie Verfahren zu deren Herstellung und deren Verwendung - Google Patents

Magnetitteilchen mit modifizierter Oberfläche, sowie Verfahren zu deren Herstellung und deren Verwendung

Info

Publication number
DE69918893D1
DE69918893D1 DE69918893T DE69918893T DE69918893D1 DE 69918893 D1 DE69918893 D1 DE 69918893D1 DE 69918893 T DE69918893 T DE 69918893T DE 69918893 T DE69918893 T DE 69918893T DE 69918893 D1 DE69918893 D1 DE 69918893D1
Authority
DE
Germany
Prior art keywords
production
modified surface
magnetite particles
magnetite
particles
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
DE69918893T
Other languages
English (en)
Other versions
DE69918893T2 (de
Inventor
Akira Nakamura
Akira Yoshimi
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.)
Titan Kogyo KK
Original Assignee
Titan Kogyo KK
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 Titan Kogyo KK filed Critical Titan Kogyo KK
Publication of DE69918893D1 publication Critical patent/DE69918893D1/de
Application granted granted Critical
Publication of DE69918893T2 publication Critical patent/DE69918893T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G03G9/10—Developers with toner particles characterised by carrier particles
    • G03G9/107—Developers with toner particles characterised by carrier particles having magnetic components
    • G03G9/1075—Structural characteristics of the carrier particles, e.g. shape or crystallographic structure
    • 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
    • G03G9/10—Developers with toner particles characterised by carrier particles
    • G03G9/113—Developers with toner particles characterised by carrier particles having coatings applied thereto
    • 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
    • G03G9/10—Developers with toner particles characterised by carrier particles
    • G03G9/113—Developers with toner particles characterised by carrier particles having coatings applied thereto
    • G03G9/1139—Inorganic components of coatings
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2991—Coated
    • Y10T428/2993—Silicic or refractory material containing [e.g., tungsten oxide, glass, cement, etc.]

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Compounds Of Iron (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Hard Magnetic Materials (AREA)
DE69918893T 1998-05-07 1999-05-07 Magnetitteilchen mit modifizierter Oberfläche, sowie Verfahren zu deren Herstellung und deren Verwendung Expired - Fee Related DE69918893T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP12479098A JP4338798B2 (ja) 1998-05-07 1998-05-07 表面改質マグネタイト粒子及びその製造方法、並びにその用途
JP12479098 1998-05-07

Publications (2)

Publication Number Publication Date
DE69918893D1 true DE69918893D1 (de) 2004-09-02
DE69918893T2 DE69918893T2 (de) 2005-07-14

Family

ID=14894196

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69918893T Expired - Fee Related DE69918893T2 (de) 1998-05-07 1999-05-07 Magnetitteilchen mit modifizierter Oberfläche, sowie Verfahren zu deren Herstellung und deren Verwendung

Country Status (4)

Country Link
US (1) US20020106512A1 (de)
EP (1) EP0955567B1 (de)
JP (1) JP4338798B2 (de)
DE (1) DE69918893T2 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030015599A (ko) * 2001-08-16 2003-02-25 이윤나 표면개질화된 마그네타이트 분말과 흡착제가 함유된초고속 수처리 분말 및 제조방법
US20040038144A1 (en) * 2001-09-28 2004-02-26 Lars Hultman Electrophotographic carrier core magnetite powder
JP4856974B2 (ja) * 2005-02-22 2012-01-18 キヤノン株式会社 帯電装置、プロセスカートリッジ及び画像形成装置
JP4781015B2 (ja) * 2005-06-03 2011-09-28 パウダーテック株式会社 電子写真用フェライトキャリア芯材、電子写真用フェライトキャリア及びこれらの製造方法、並びに該フェライトキャリアを用いた電子写真用現像剤
JP5400321B2 (ja) * 2008-05-27 2014-01-29 三井金属鉱業株式会社 複合被覆マグネタイト粒子の製造方法
JP5403213B2 (ja) * 2008-10-22 2014-01-29 戸田工業株式会社 表面処理された磁性酸化鉄粒子粉末及び該表面処理された磁性酸化鉄粒子粉末を用いた黒色塗料、ゴム・樹脂組成物
JP5403214B2 (ja) * 2008-10-22 2014-01-29 戸田工業株式会社 表面処理された磁性酸化鉄粒子粉末及び該表面処理された磁性酸化鉄粒子粉末を用いた黒色塗料、ゴム・樹脂組成物
JP5591530B2 (ja) * 2009-06-24 2014-09-17 日揮触媒化成株式会社 シリカ系微粒子分散ゾルの製造方法、シリカ系微粒子分散ゾル、該分散ゾルを含む塗料組成物、硬化性塗膜および硬化性塗膜付き基材
CN103328611A (zh) * 2010-12-10 2013-09-25 株式会社亚都玛科技 阻燃剂及其制造方法、阻燃性树脂组合物及其制造方法
US8980520B2 (en) * 2011-04-11 2015-03-17 Xerox Corporation Toner compositions and processes
CN118754132B (zh) * 2024-07-09 2026-01-23 兰陵县益新矿业科技有限公司 一种双硅烷及磁性改性硅微粉的方法
CN119751041B (zh) * 2024-12-31 2025-10-21 中钢天源股份有限公司 一种高电阻m型六角铁氧体的制备工艺及制得的产品

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0566790B1 (de) * 1992-04-23 1996-08-07 Toda Kogyo Corp. Magnetpulver und magnetischer Toner
US5599627A (en) * 1993-10-08 1997-02-04 Toda Kogyo Corporation Magnetic particles comprising magnetite core and process for producing the same

Also Published As

Publication number Publication date
EP0955567B1 (de) 2004-07-28
EP0955567A2 (de) 1999-11-10
EP0955567A3 (de) 2000-02-23
JP4338798B2 (ja) 2009-10-07
DE69918893T2 (de) 2005-07-14
JPH11314919A (ja) 1999-11-16
US20020106512A1 (en) 2002-08-08

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee