DE602008001905D1 - Harzgefüllter Ferritträger für einen elektrofotografischen Entwickler und elektrofotografischer Entwickler mit dem Ferritträger - Google Patents

Harzgefüllter Ferritträger für einen elektrofotografischen Entwickler und elektrofotografischer Entwickler mit dem Ferritträger

Info

Publication number
DE602008001905D1
DE602008001905D1 DE602008001905T DE602008001905T DE602008001905D1 DE 602008001905 D1 DE602008001905 D1 DE 602008001905D1 DE 602008001905 T DE602008001905 T DE 602008001905T DE 602008001905 T DE602008001905 T DE 602008001905T DE 602008001905 D1 DE602008001905 D1 DE 602008001905D1
Authority
DE
Germany
Prior art keywords
ferrite carrier
electrophotographic developer
resin
filled
particle size
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.)
Active
Application number
DE602008001905T
Other languages
English (en)
Inventor
Hiromichi Kobayashi
Takao Sugiura
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.)
Powdertech Co Ltd
Original Assignee
Powdertech Co Ltd
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 Powdertech Co Ltd filed Critical Powdertech Co Ltd
Publication of DE602008001905D1 publication Critical patent/DE602008001905D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G03G9/113—Developers with toner particles characterised by carrier particles having coatings applied thereto
    • G03G9/1132—Macromolecular components of coatings
    • G03G9/1135—Macromolecular components of coatings obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • G03G9/1136—Macromolecular components of coatings obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon atoms
    • 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
    • G03G9/107—Developers with toner particles characterised by carrier particles having magnetic components
    • G03G9/108—Ferrite carrier, e.g. magnetite
    • G03G9/1085—Ferrite carrier, e.g. magnetite with non-ferrous metal oxide, e.g. MgO-Fe2O3

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Developing Agents For Electrophotography (AREA)
DE602008001905T 2007-02-20 2008-02-19 Harzgefüllter Ferritträger für einen elektrofotografischen Entwickler und elektrofotografischer Entwickler mit dem Ferritträger Active DE602008001905D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007038845A JP5032147B2 (ja) 2007-02-20 2007-02-20 電子写真現像剤用樹脂充填型フェライトキャリア及び該フェライトキャリアを用いた電子写真現像剤

Publications (1)

Publication Number Publication Date
DE602008001905D1 true DE602008001905D1 (de) 2010-09-09

Family

ID=39400903

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602008001905T Active DE602008001905D1 (de) 2007-02-20 2008-02-19 Harzgefüllter Ferritträger für einen elektrofotografischen Entwickler und elektrofotografischer Entwickler mit dem Ferritträger

Country Status (5)

Country Link
US (1) US20080199800A1 (de)
EP (1) EP1962143B1 (de)
JP (1) JP5032147B2 (de)
AT (1) ATE475910T1 (de)
DE (1) DE602008001905D1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5534312B2 (ja) * 2009-03-31 2014-06-25 パウダーテック株式会社 電子写真現像剤用樹脂充填型フェライトキャリア及び該フェライトキャリアを用いた電子写真現像剤
JP5522446B2 (ja) * 2010-01-28 2014-06-18 パウダーテック株式会社 電子写真現像剤用フェライトキャリア芯材、フェライトキャリア及び該フェライトキャリアを用いた電子写真現像剤
JP6163652B2 (ja) * 2012-01-13 2017-07-19 パウダーテック株式会社 電子写真現像剤用多孔質フェライト芯材、樹脂被覆フェライトキャリア及び該フェライトキャリアを用いた電子写真現像剤
JP6154993B2 (ja) * 2012-04-27 2017-06-28 Ｄｏｗａエレクトロニクス株式会社 電子写真現像剤用キャリア芯材の製造方法
JP5692766B1 (ja) * 2014-01-20 2015-04-01 パウダーテック株式会社 外殻構造を有するフェライト粒子を用いた電子写真現像剤用フェライトキャリア芯材及びフェライトキャリア、並びに該フェライトキャリアを用いた電子写真現像剤
JP5842300B2 (ja) 2014-03-31 2016-01-13 パウダーテック株式会社 電子写真現像剤用樹脂充填型フェライトキャリア及び該フェライトキャリアを用いた電子写真現像剤
US10409188B2 (en) * 2017-02-10 2019-09-10 Canon Kabushiki Kaisha Magnetic carrier, two-component developer, replenishing developer, and image forming method

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3849182A (en) * 1969-06-19 1974-11-19 Xerox Corp Highly shape-classified oxidized low carbon hypereutectoid electrostatographic steel carrier particles
JPS5478137A (en) 1977-12-05 1979-06-22 Ricoh Co Ltd Carrier material for electrostatic developer
JPS5948774A (ja) * 1982-09-13 1984-03-21 Nippon Teppun Kk 電子写真現像用キヤリヤ
JPH0540367A (ja) 1991-08-05 1993-02-19 Minolta Camera Co Ltd 静電潜像現像用キヤリア
JP3186362B2 (ja) * 1993-08-26 2001-07-11 花王株式会社 静電荷像現像剤の製造方法
JP3692709B2 (ja) * 1997-05-15 2005-09-07 東洋インキ製造株式会社 静電荷像現像用キャリア、静電荷像現像用現像剤及び静電荷像現像方法
US6528225B1 (en) * 1998-03-09 2003-03-04 Xerox Corporation Carrier
US5998076A (en) 1998-03-09 1999-12-07 Xerox Corporation Carrier
US6464797B1 (en) * 1999-07-28 2002-10-15 Ricoh Company, Ltd. Method of separating electrophotographic carrier compositions and recycling the compositions
JP2002296846A (ja) * 2001-03-30 2002-10-09 Powdertech Co Ltd 電子写真現像剤用キャリア及び該キャリアを用いた現像剤
JP4001606B2 (ja) * 2005-05-31 2007-10-31 パウダーテック株式会社 樹脂充填型キャリア及び該キャリアを用いた電子写真現像剤
JP4001609B2 (ja) * 2005-08-25 2007-10-31 パウダーテック株式会社 電子写真現像剤用キャリア及び該キャリアを用いた電子写真現像剤

Also Published As

Publication number Publication date
ATE475910T1 (de) 2010-08-15
EP1962143A1 (de) 2008-08-27
JP5032147B2 (ja) 2012-09-26
US20080199800A1 (en) 2008-08-21
EP1962143B1 (de) 2010-07-28
JP2008203476A (ja) 2008-09-04

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